root / rgbdslam / external / siftgpu / src / SiftGPU / ProgramCG.cpp @ 9240aaa3
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//////////////////////////////////////////////////////////////////////////////
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// File: ProgramCG.cpp
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// Author: Changchang Wu
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// Description : implementation of cg related class.
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// class ProgramCG A simple wrapper of Cg programs
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// class ShaderBagCG cg shaders for SIFT
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// class FilterCGGL cg gaussian filters for SIFT
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//
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// Copyright (c) 2007 University of North Carolina at Chapel Hill
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// All Rights Reserved
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//
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// Permission to use, copy, modify and distribute this software and its
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// documentation for educational, research and non-profit purposes, without
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// fee, and without a written agreement is hereby granted, provided that the
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// above copyright notice and the following paragraph appear in all copies.
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//
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// The University of North Carolina at Chapel Hill make no representations
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// about the suitability of this software for any purpose. It is provided
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// 'as is' without express or implied warranty.
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//
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// Please send BUG REPORTS to ccwu@cs.unc.edu
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//
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////////////////////////////////////////////////////////////////////////////
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#if defined(CG_SIFTGPU_ENABLED)
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#include "GL/glew.h" |
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#include <iostream> |
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#include <iomanip> |
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#include <vector> |
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#include <strstream> |
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#include <algorithm> |
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#include <stdlib.h> |
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#include <math.h> |
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#include <string.h> |
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using namespace std; |
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#include "GlobalUtil.h" |
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#include "ProgramCG.h" |
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#include "GLTexImage.h" |
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#include "ShaderMan.h" |
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#include "FrameBufferObject.h" |
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#if defined(_WIN32)
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#pragma comment (lib, "../../lib/cg.lib") |
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#pragma comment (lib, "../../lib/cggl.lib") |
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#endif
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CGcontext ProgramCG::_Context =0;
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CGprofile ProgramCG::_FProfile; |
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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ProgramCG::ProgramCG() |
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{
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_programID = NULL;
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} |
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ProgramCG::~ProgramCG() |
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{
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if(_programID) cgDestroyProgram(_programID);
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} |
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ProgramCG::ProgramCG(const char *code, const char** cg_compile_args, CGprofile profile) |
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{
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_valid = 0;
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_profile = profile; |
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GLint epos; |
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const char* ati_args[] = {"-po", "ATI_draw_buffers",0}; |
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const char* fp40_args[] = {"-ifcvt", "none","-unroll", "all", GlobalUtil::_UseFastMath? "-fastmath" : 0, 0}; |
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if(cg_compile_args == NULL) cg_compile_args = GlobalUtil::_IsNvidia? (GlobalUtil::_SupportFP40? fp40_args:NULL) : ati_args; |
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_programID = ::cgCreateProgram(_Context, CG_SOURCE, code, profile, NULL, cg_compile_args);
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if(_programID)
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{
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cgGLLoadProgram(_programID ); |
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//_texParamID = cgGetNamedParameter(_programID, "tex");
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glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &epos); |
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if(epos >=0) |
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{
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std::cout<<cgGetProgramString(_programID, CG_COMPILED_PROGRAM)<<endl; |
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std::cerr<<glGetString(GL_PROGRAM_ERROR_STRING_ARB)<<endl; |
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}else
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{
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_valid = 1;
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} |
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}else
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{
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std::cerr<<code<<endl; |
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glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &epos); |
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if(epos >=0) |
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{
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std::cout<<cgGetProgramString(_programID, CG_COMPILED_PROGRAM)<<endl; |
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std::cerr<<glGetString(GL_PROGRAM_ERROR_STRING_ARB)<<endl; |
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}else
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{
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std::cout<<glGetString(GL_PROGRAM_ERROR_STRING_ARB)<<endl; |
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} |
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} |
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} |
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void ProgramCG::ErrorCallback()
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{
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CGerror err = cgGetError(); |
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if(err)
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{
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std::cerr<< cgGetErrorString(err)<<endl; |
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} |
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} |
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void ProgramCG::InitContext()
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{
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if(_Context == 0) |
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{
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_Context = cgCreateContext(); |
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/////////////
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_FProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT); |
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cgGLSetOptimalOptions(_FProfile); |
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if(GlobalUtil::_verbose) std::cout<<"Shader Profile: "<<cgGetProfileString(_FProfile)<<endl; |
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cgSetErrorCallback(ErrorCallback); |
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} |
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} |
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void ProgramCG::DestroyContext()
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{
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cgDestroyContext(_Context); |
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} |
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ShaderBagCG::ShaderBagCG() |
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{
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ProgramCG::InitContext(); |
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} |
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int ProgramCG::UseProgram()
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{
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if(_programID)
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{
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cgGLEnableProfile(_profile); |
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cgGLBindProgram(_programID); |
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return 1; |
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}else
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{
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return 0; |
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} |
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} |
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void ShaderBagCG::UnloadProgram()
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{
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cgGLUnbindProgram(ProgramCG::_FProfile); |
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cgGLDisableProfile(ProgramCG::_FProfile); |
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} |
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void ShaderBagCG::LoadFixedShaders()
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{
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// s_debug = new ProgramCG( "void main(float4 TexCoord0:TEXCOORD0, out float4 FragColor:COLOR0,"
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// "uniform samplerRECT tex){ gl_FragColor.rg = gl_TexCoord[0].st;}");
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s_gray = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float intensity = dot(float3(0.299, 0.587, 0.114), texRECT(tex,TexCoord0.xy ).rgb);\n"
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"FragColor= float4(intensity, intensity, intensity, 1.0);}" );
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s_sampling = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float4 cc = texRECT(tex, TexCoord0.xy); FragColor = float4(cc.rg, 0.0, 0.0); }" );
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s_zero_pass = new ProgramCG("void main(out float4 FragColor : COLOR0){FragColor = 0;}"); |
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ProgramCG * program; |
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s_margin_copy = program = new ProgramCG(
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"void main(float4 texCoord0: TEXCOORD0, out float4 FragColor: COLOR0, \n"
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"uniform samplerRECT tex, uniform float2 truncate){\n"
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"FragColor = texRECT(tex, min(texCoord0.xy, truncate)); }");
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_param_margin_copy_truncate = cgGetNamedParameter(*program, "truncate");
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s_grad_pass = new ProgramCG(
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"void main (\n"
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"float4 TexCC : TEXCOORD0, float4 TexLC : TEXCOORD1,\n"
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"float4 TexRC : TEXCOORD2, float4 TexCD : TEXCOORD3, float4 TexCU : TEXCOORD4,\n"
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"out float4 FragData0 : COLOR0, uniform samplerRECT tex)\n"
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"{\n"
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" float4 v1, v2, gg;\n"
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" float4 cc = texRECT(tex, TexCC.xy);\n"
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" gg.x = texRECT(tex, TexLC.xy).r;\n"
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" gg.y = texRECT(tex, TexRC.xy).r;\n"
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" gg.z = texRECT(tex, TexCD.xy).r;\n"
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" gg.w = texRECT(tex, TexCU.xy).r;\n"
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" float2 dxdy = (gg.yw - gg.xz); \n"
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" float grad = 0.5*length(dxdy);\n"
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" float theta = grad==0? 0: atan2(dxdy.y, dxdy.x);\n"
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" FragData0 = float4(cc.rg, grad, theta);\n"
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"}\n\0");
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if(GlobalUtil::_SupportFP40)
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{
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//use the packing mode for cpu list reshape and two orientations
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if(GlobalUtil::_MaxOrientation != 2) GlobalUtil::_OrientationPack2 = 0; |
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LoadOrientationShader(); |
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if(GlobalUtil::_DescriptorPPT) LoadDescriptorShader();
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}else
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{
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s_orientation = program = new ProgramCG(
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"void main(out float4 FragColor : COLOR0, \n"
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" uniform samplerRECT fTex, uniform samplerRECT oTex, \n"
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" uniform float size, \n"
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" in float2 tpos : TEXCOORD0){\n"
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" float4 cc = texRECT(fTex, tpos);\n"
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" float4 oo = texRECT(oTex, cc.rg);\n"
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" FragColor = float4(cc.rg, oo.a, size);}");
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_param_orientation_gtex= cgGetNamedParameter(*program, "oTex");
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_param_orientation_size= cgGetNamedParameter(*program, "size");
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///
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GlobalUtil::_FullSupported = 0;
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GlobalUtil::_MaxOrientation = 0; //0 for simplified version |
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GlobalUtil::_DescriptorPPT = 0;
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std::cerr<<"Orientation simplified on this hardware"<<endl;
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std::cerr<<"Descriptor ignored on this hardware"<<endl;
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} |
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} |
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void ShaderBagCG::LoadDisplayShaders()
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{
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s_copy_key = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"FragColor.rg= texRECT(tex, TexCoord0.xy).rg; FragColor.ba = float2(0,1); }");
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//shader used to write a vertex buffer object
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//which is used to draw the quads of each feature
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ProgramCG * program; |
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s_vertex_list = program = new ProgramCG(
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"void main(in float4 TexCoord0: TEXCOORD0,\n"
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"uniform float4 sizes, \n"
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"uniform samplerRECT tex, \n"
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"out float4 FragColor: COLOR0){\n"
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"float fwidth = sizes.y; \n"
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"float twidth = sizes.z; \n"
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"float rwidth = sizes.w; \n"
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"float index = 0.1*(fwidth*floor(TexCoord0.y) + TexCoord0.x);\n"
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"float px = fmod(index, twidth);\n"
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"float2 tpos= floor(float2(px, index*rwidth))+0.5;\n"
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"float4 cc = texRECT(tex, tpos );\n"
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"float size = cc.a * 3.0f;//sizes.x;// \n"
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"FragColor.zw = float2(0.0, 1.0);\n"
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"if(any(cc.xy <=0)) {FragColor.xy = cc.xy;}else \n"
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"{\n"
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" float type = frac(px);\n"
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" float2 dxy; float s, c;\n"
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" dxy.x = type < 0.1 ? 0 : ((type <0.5 || type > 0.9)? size : -size);\n"
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" dxy.y = type < 0.2 ? 0 : ((type < 0.3 || type > 0.7 )? -size :size); \n"
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" sincos(cc.b, s, c);\n"
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" FragColor.x = cc.x + c*dxy.x-s*dxy.y;\n"
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" FragColor.y = cc.y + c*dxy.y+s*dxy.x;}\n"
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"}\n\0");
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/*FragColor = float4(tpos, 0.0, 1.0);}\n\0");*/
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_param_genvbo_size = cgGetNamedParameter(*program, "sizes");
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s_display_gaussian = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float r = texRECT(tex, TexCoord0.xy).r;\n"
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"FragColor = float4(r, r, r, 1.0);}");
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s_display_dog = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float g = (0.5+20.0*texRECT(tex, TexCoord0.xy).g);\n"
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"FragColor = float4(g, g, g, 1.0);}" );
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s_display_grad = new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float4 cc = texRECT(tex, TexCoord0.xy); FragColor = float4(5.0 * cc.bbb, 1.0); }");
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s_display_keys= new ProgramCG(
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"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
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"float4 cc = texRECT(tex, TexCoord0.xy);\n"
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"if(cc.r ==1.0) FragColor = float4(1.0, 0, 0,1.0); \n"
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"else {if (cc.r ==0.5) FragColor = float4(0.0,1.0,0.0,1.0); else discard;}}");
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} |
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void ShaderBagCG::SetMarginCopyParam(int xmax, int ymax) |
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{
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float truncate[2] = {xmax - 0.5f , ymax - 0.5f}; |
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cgGLSetParameter2fv(_param_margin_copy_truncate, truncate); |
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} |
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int ShaderBagCG::LoadKeypointShaderMR(float threshold, float edge_threshold) |
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{
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char buffer[10240]; |
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float threshold0 = threshold * 0.8f; |
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float threshold1 = threshold;
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float threshold2 = (edge_threshold+1)*(edge_threshold+1)/edge_threshold; |
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int max_refine = max(2, GlobalUtil::_SubpixelLocalization); |
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ostrstream out(buffer, 10240);
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out << "#define THRESHOLD0 " << threshold0 << "\n" |
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"#define THRESHOLD1 " << threshold1 << "\n" |
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"#define THRESHOLD2 " << threshold2 << "\n" |
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"#define MAX_REFINE " << max_refine << "\n"; |
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out<< |
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"void main (\n"
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"float4 TexCC : TEXCOORD0, float4 TexLC : TEXCOORD1,\n"
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"float4 TexRC : TEXCOORD2, float4 TexCD : TEXCOORD3, \n"
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"float4 TexCU : TEXCOORD4, float4 TexLD : TEXCOORD5, \n"
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"float4 TexLU : TEXCOORD6, float4 TexRD : TEXCOORD7,\n"
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"out float4 FragData0 : COLOR0, out float4 FragData1 : COLOR1, \n"
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"uniform samplerRECT tex, uniform samplerRECT texU, uniform samplerRECT texD)\n"
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"{\n"
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" float4 v1, v2, gg;\n"
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" float2 TexRU = float2(TexRC.x, TexCU.y); \n"
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" float4 cc = texRECT(tex, TexCC.xy);\n"
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" v1.x = texRECT(tex, TexLC.xy).g;\n"
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" gg.x = texRECT(tex, TexLC.xy).r;\n"
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" v1.y = texRECT(tex, TexRC.xy).g;\n"
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" gg.y = texRECT(tex, TexRC.xy).r;\n"
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" v1.z = texRECT(tex, TexCD.xy).g;\n"
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" gg.z = texRECT(tex, TexCD.xy).r;\n"
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" v1.w = texRECT(tex, TexCU.xy).g;\n"
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" gg.w = texRECT(tex, TexCU.xy).r;\n"
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" v2.x = texRECT(tex, TexLD.xy).g;\n"
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" v2.y = texRECT(tex, TexLU.xy).g;\n"
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" v2.z = texRECT(tex, TexRD.xy).g;\n"
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" v2.w = texRECT(tex, TexRU.xy).g;\n"
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" float2 dxdy = 0.5*(gg.yw - gg.xz); \n"
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" float grad = length(dxdy);\n"
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" float theta = grad==0? 0: atan2(dxdy.y, dxdy.x);\n"
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" FragData0 = float4(cc.rg, grad, theta);\n"
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<< |
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" float dog = 0.0; \n"
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" FragData1 = float4(0, 0, 0, 0); \n"
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" float2 v3; float4 v4, v5, v6;\n"
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<< |
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" if( cc.g > THRESHOLD0 && all(cc.gggg > max(v1, v2)))\n"
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" {\n"
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" v3.x = texRECT(texU, TexCC.xy).g;\n"
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" v4.x = texRECT(texU, TexLC.xy).g;\n"
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" v4.y = texRECT(texU, TexRC.xy).g;\n"
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" v4.z = texRECT(texU, TexCD.xy).g;\n"
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" v4.w = texRECT(texU, TexCU.xy).g;\n"
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" v6.x = texRECT(texU, TexLD.xy).g;\n"
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" v6.y = texRECT(texU, TexLU.xy).g;\n"
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" v6.z = texRECT(texU, TexRD.xy).g;\n"
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" v6.w = texRECT(texU, TexRU.xy).g;\n"
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" if(cc.g < v3.x || any(cc.gggg<v4.xyzw || cc.gggg<v6.xyzw))return; \n"
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" v3.y = texRECT(texD, TexCC.xy).g;\n"
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" v5.x = texRECT(texD, TexLC.xy).g;\n"
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" v5.y = texRECT(texD, TexRC.xy).g;\n"
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" v5.z = texRECT(texD, TexCD.xy).g;\n"
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" v5.w = texRECT(texD, TexCU.xy).g;\n"
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" v6.x = texRECT(texD, TexLD.xy).g;\n"
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" v6.y = texRECT(texD, TexLU.xy).g;\n"
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" v6.z = texRECT(texD, TexRD.xy).g;\n"
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" v6.w = texRECT(texD, TexRU.xy).g;\n"
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" if(cc.g < v3.y || any(cc.gggg<v5.xyzw || cc.gggg<v6.xyzw))return; \n"
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" dog = 1.0; \n"
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" }\n"
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//the minimum case
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<< |
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" else if(cc.g < -THRESHOLD0 && all(cc.gggg < min(v1, v2)))\n"
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" {\n"
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" v3.x = texRECT(texU, TexCC.xy).g;\n"
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" v4.x = texRECT(texU, TexLC.xy).g;\n"
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" v4.y = texRECT(texU, TexRC.xy).g;\n"
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" v4.z = texRECT(texU, TexCD.xy).g;\n"
|
| 397 |
" v4.w = texRECT(texU, TexCU.xy).g;\n"
|
| 398 |
" v6.x = texRECT(texU, TexLD.xy).g;\n"
|
| 399 |
" v6.y = texRECT(texU, TexLU.xy).g;\n"
|
| 400 |
" v6.z = texRECT(texU, TexRD.xy).g;\n"
|
| 401 |
" v6.w = texRECT(texU, TexRU.xy).g;\n"
|
| 402 |
" if(cc.g > v3.x || any(cc.gggg>v4.xyzw || cc.gggg>v6.xyzw))return; \n"
|
| 403 |
" v3.y = texRECT(texD, TexCC.xy).g;\n"
|
| 404 |
" v5.x = texRECT(texD, TexLC.xy).g;\n"
|
| 405 |
" v5.y = texRECT(texD, TexRC.xy).g;\n"
|
| 406 |
" v5.z = texRECT(texD, TexCD.xy).g;\n"
|
| 407 |
" v5.w = texRECT(texD, TexCU.xy).g;\n"
|
| 408 |
" v6.x = texRECT(texD, TexLD.xy).g;\n"
|
| 409 |
" v6.y = texRECT(texD, TexLU.xy).g;\n"
|
| 410 |
" v6.z = texRECT(texD, TexRD.xy).g;\n"
|
| 411 |
" v6.w = texRECT(texD, TexRU.xy).g;\n"
|
| 412 |
" if(cc.g > v3.y || any(cc.gggg>v5.xyzw || cc.gggg>v6.xyzw))return; \n"
|
| 413 |
" dog = 0.5 ; \n"
|
| 414 |
" }\n"
|
| 415 |
" else\n"
|
| 416 |
" return;\n"
|
| 417 |
<< |
| 418 |
" int i = 0; \n"
|
| 419 |
" float2 offset = float2(0, 0);\n"
|
| 420 |
" float2 offsets = float2(0, 0);\n"
|
| 421 |
" float3 dxys; bool key_moved; \n"
|
| 422 |
" float fx, fy, fs; \n"
|
| 423 |
" float fxx, fyy, fxy; \n"
|
| 424 |
" float fxs, fys, fss; \n"
|
| 425 |
" do\n"
|
| 426 |
" {\n"
|
| 427 |
" dxys = float3(0, 0, 0);\n"
|
| 428 |
" offset = float2(0, 0);\n"
|
| 429 |
" float4 D2 = v1.xyzw - cc.gggg;\n"
|
| 430 |
" fxx = D2.x + D2.y;\n"
|
| 431 |
" fyy = D2.z + D2.w;\n"
|
| 432 |
" float2 D4 = v2.xw - v2.yz;\n"
|
| 433 |
" fxy = 0.25*(D4.x + D4.y);\n"
|
| 434 |
" float2 D5 = 0.5*(v1.yw-v1.xz); \n"
|
| 435 |
" fx = D5.x;\n"
|
| 436 |
" fy = D5.y ; \n"
|
| 437 |
" fs = 0.5*( v3.x - v3.y ); \n"
|
| 438 |
" fss = v3.x + v3.y - cc.g - cc.g;\n"
|
| 439 |
" fxs = 0.25 * ( v4.y + v5.x - v4.x - v5.y);\n"
|
| 440 |
" fys = 0.25 * ( v4.w + v5.z - v4.z - v5.w);\n"
|
| 441 |
" float4 A0, A1, A2 ; \n"
|
| 442 |
" A0 = float4(fxx, fxy, fxs, -fx); \n"
|
| 443 |
" A1 = float4(fxy, fyy, fys, -fy); \n"
|
| 444 |
" A2 = float4(fxs, fys, fss, -fs); \n"
|
| 445 |
" float3 x3 = abs(float3(fxx, fxy, fxs)); \n"
|
| 446 |
" float maxa = max(max(x3.x, x3.y), x3.z); \n"
|
| 447 |
" if(maxa > 1e-10 ) \n"
|
| 448 |
" {\n"
|
| 449 |
" if(x3.y ==maxa ) \n"
|
| 450 |
" { \n"
|
| 451 |
" float4 TEMP = A1; A1 = A0; A0 = TEMP; \n"
|
| 452 |
" }else if( x3.z == maxa ) \n"
|
| 453 |
" { \n"
|
| 454 |
" float4 TEMP = A2; A2 = A0; A0 = TEMP; \n"
|
| 455 |
" } \n"
|
| 456 |
" A0 /= A0.x; \n"
|
| 457 |
" A1 -= A1.x * A0; \n"
|
| 458 |
" A2 -= A2.x * A0; \n"
|
| 459 |
" float2 x2 = abs(float2(A1.y, A2.y)); \n"
|
| 460 |
" if( x2.y > x2.x ) \n"
|
| 461 |
" { \n"
|
| 462 |
" float3 TEMP = A2.yzw; \n"
|
| 463 |
" A2.yzw = A1.yzw; \n"
|
| 464 |
" A1.yzw = TEMP; \n"
|
| 465 |
" x2.x = x2.y; \n"
|
| 466 |
" } \n"
|
| 467 |
" if(x2.x > 1e-10) \n"
|
| 468 |
" {\n"
|
| 469 |
" A1.yzw /= A1.y; \n"
|
| 470 |
" A2.yzw -= A2.y * A1.yzw; \n"
|
| 471 |
" if(abs(A2.z) > 1e-10) \n"
|
| 472 |
" {\n"
|
| 473 |
// compute dx, dy, ds:
|
| 474 |
<< |
| 475 |
" dxys.z = A2.w /A2.z; \n"
|
| 476 |
" dxys.y = A1.w - dxys.z*A1.z; \n"
|
| 477 |
" dxys.x = A0.w - dxys.z*A0.z - dxys.y*A0.y; \n"
|
| 478 |
" }\n"
|
| 479 |
" }\n"
|
| 480 |
" }\n"
|
| 481 |
" offset.x = dxys.x > 0.6 ? 1 : 0 + dxys.x < -0.6 ? -1 : 0;\n"
|
| 482 |
" offset.y = dxys.y > 0.6 ? 1 : 0 + dxys.y < - 0.6? -1 : 0;\n"
|
| 483 |
" i++; key_moved = i < MAX_REFINE && any(abs(offset)>0) ; \n"
|
| 484 |
" if(key_moved)\n"
|
| 485 |
" {\n"
|
| 486 |
" offsets += offset; \n"
|
| 487 |
" cc = texRECT(tex, TexCC.xy + offsets);\n"
|
| 488 |
" v1.x = texRECT(tex , TexLC.xy + offsets).g;\n"
|
| 489 |
" v1.y = texRECT(tex , TexRC.xy + offsets).g;\n"
|
| 490 |
" v1.z = texRECT(tex , TexCD.xy + offsets).g;\n"
|
| 491 |
" v1.w = texRECT(tex , TexCU.xy + offsets).g;\n"
|
| 492 |
" v2.x = texRECT(tex , TexLD.xy + offsets).g;\n"
|
| 493 |
" v2.y = texRECT(tex , TexLU.xy + offsets).g;\n"
|
| 494 |
" v2.z = texRECT(tex , TexRD.xy + offsets).g;\n"
|
| 495 |
" v2.w = texRECT(tex , TexRU.xy + offsets).g;\n"
|
| 496 |
" v3.x = texRECT(texU, TexCC.xy + offsets).g;\n"
|
| 497 |
" v4.x = texRECT(texU, TexLC.xy + offsets).g;\n"
|
| 498 |
" v4.y = texRECT(texU, TexRC.xy + offsets).g;\n"
|
| 499 |
" v4.z = texRECT(texU, TexCD.xy + offsets).g;\n"
|
| 500 |
" v4.w = texRECT(texU, TexCU.xy + offsets).g;\n"
|
| 501 |
" v3.y = texRECT(texD, TexCC.xy + offsets).g;\n"
|
| 502 |
" v5.x = texRECT(texD, TexLC.xy + offsets).g;\n"
|
| 503 |
" v5.y = texRECT(texD, TexRC.xy + offsets).g;\n"
|
| 504 |
" v5.z = texRECT(texD, TexCD.xy + offsets).g;\n"
|
| 505 |
" v5.w = texRECT(texD, TexCU.xy + offsets).g;\n"
|
| 506 |
" }\n"
|
| 507 |
" }while(key_moved);\n"
|
| 508 |
<< |
| 509 |
" bool test1 = (abs(cc.g + 0.5*dot(float3(fx, fy, fs), dxys ))> THRESHOLD1) ;\n"
|
| 510 |
" float test2_v1= fxx*fyy - fxy *fxy; \n"
|
| 511 |
" float test2_v2 = (fxx+fyy); \n"
|
| 512 |
" test2_v2 = test2_v2*test2_v2;\n"
|
| 513 |
" bool test2 = test2_v1>0 && test2_v2 < THRESHOLD2 * test2_v1; \n "
|
| 514 |
//keep the point when the offset is less than 1
|
| 515 |
<< |
| 516 |
" FragData1 = test1 && test2 && all( abs(dxys) < 1)? float4( dog, dxys.xy+offsets, dxys.z) : float4(0, 0, 0, 0); \n"
|
| 517 |
"}\n"
|
| 518 |
<<'\0';
|
| 519 |
|
| 520 |
ProgramCG * program; |
| 521 |
s_keypoint = program = new ProgramCG(buffer);
|
| 522 |
//parameter
|
| 523 |
_param_dog_texu = cgGetNamedParameter(*program, "texU");
|
| 524 |
_param_dog_texd = cgGetNamedParameter(*program, "texD");
|
| 525 |
|
| 526 |
return 1; |
| 527 |
|
| 528 |
} |
| 529 |
|
| 530 |
//keypoint detection shader
|
| 531 |
//1. compare with 26 neighbours
|
| 532 |
//2. sub-pixel sub-scale localization
|
| 533 |
//3. output: [dog, offset(x,y,s)]
|
| 534 |
|
| 535 |
void ShaderBagCG:: LoadKeypointShader(float threshold, float edge_threshold) |
| 536 |
{
|
| 537 |
char buffer[10240]; |
| 538 |
float threshold0 = threshold* (GlobalUtil::_SubpixelLocalization?0.8f:1.0f); |
| 539 |
float threshold1 = threshold;
|
| 540 |
float threshold2 = (edge_threshold+1)*(edge_threshold+1)/edge_threshold; |
| 541 |
ostrstream out(buffer, 10240);
|
| 542 |
out<<setprecision(8);
|
| 543 |
streampos pos; |
| 544 |
//tex(X)(Y)
|
| 545 |
//X: (CLR) (CENTER 0, LEFT -1, RIGHT +1)
|
| 546 |
//Y: (CDU) (CENTER 0, DOWN -1, UP +1)
|
| 547 |
|
| 548 |
out << "#define THRESHOLD0 " << threshold0 << "\n" |
| 549 |
"#define THRESHOLD1 " << threshold1 << "\n" |
| 550 |
"#define THRESHOLD2 " << threshold2 << "\n"; |
| 551 |
out<< |
| 552 |
"void main (\n"
|
| 553 |
"float4 TexCC : TEXCOORD0, float4 TexLC : TEXCOORD1,\n"
|
| 554 |
"float4 TexRC : TEXCOORD2, float4 TexCD : TEXCOORD3, \n"
|
| 555 |
"float4 TexCU : TEXCOORD4, float4 TexLD : TEXCOORD5, \n"
|
| 556 |
"float4 TexLU : TEXCOORD6, float4 TexRD : TEXCOORD7,\n"
|
| 557 |
"out float4 FragData0 : COLOR0, out float4 FragData1 : COLOR1, \n"
|
| 558 |
"uniform samplerRECT tex, uniform samplerRECT texU, uniform samplerRECT texD)\n"
|
| 559 |
"{\n"
|
| 560 |
" float4 v1, v2, gg;\n"
|
| 561 |
" float2 TexRU = float2(TexRC.x, TexCU.y); \n"
|
| 562 |
" float4 cc = texRECT(tex, TexCC.xy);\n"
|
| 563 |
" v1.x = texRECT(tex, TexLC.xy).g;\n"
|
| 564 |
" gg.x = texRECT(tex, TexLC.xy).r;\n"
|
| 565 |
" v1.y = texRECT(tex, TexRC.xy).g;\n"
|
| 566 |
" gg.y = texRECT(tex, TexRC.xy).r;\n"
|
| 567 |
" v1.z = texRECT(tex, TexCD.xy).g;\n"
|
| 568 |
" gg.z = texRECT(tex, TexCD.xy).r;\n"
|
| 569 |
" v1.w = texRECT(tex, TexCU.xy).g;\n"
|
| 570 |
" gg.w = texRECT(tex, TexCU.xy).r;\n"
|
| 571 |
" v2.x = texRECT(tex, TexLD.xy).g;\n"
|
| 572 |
" v2.y = texRECT(tex, TexLU.xy).g;\n"
|
| 573 |
" v2.z = texRECT(tex, TexRD.xy).g;\n"
|
| 574 |
" v2.w = texRECT(tex, TexRU.xy).g;\n"
|
| 575 |
" float2 dxdy = (gg.yw - gg.xz); \n"
|
| 576 |
" float grad = 0.5*length(dxdy);\n"
|
| 577 |
" float theta = grad==0? 0: atan2(dxdy.y, dxdy.x);\n"
|
| 578 |
" FragData0 = float4(cc.rg, grad, theta);\n"
|
| 579 |
|
| 580 |
//test against 8 neighbours
|
| 581 |
//use variable to identify type of extremum
|
| 582 |
//1.0 for local maximum and 0.5 for minimum
|
| 583 |
<< |
| 584 |
" float dog = 0.0; \n"
|
| 585 |
" FragData1 = float4(0, 0, 0, 0); \n"
|
| 586 |
" dog = cc.g > THRESHOLD0 && all(cc.gggg > max(v1, v2))?1.0: 0.0;\n"
|
| 587 |
" dog = cc.g < -THRESHOLD0 && all(cc.gggg < min(v1, v2))?0.5: dog;\n";
|
| 588 |
|
| 589 |
pos = out.tellp(); |
| 590 |
//do edge supression first..
|
| 591 |
//vector v1 is < (-1, 0), (1, 0), (0,-1), (0, 1)>
|
| 592 |
//vector v2 is < (-1,-1), (-1,1), (1,-1), (1, 1)>
|
| 593 |
|
| 594 |
out<< |
| 595 |
" if(dog == 0.0) return;\n"
|
| 596 |
" float fxx, fyy, fxy; \n"
|
| 597 |
" float4 D2 = v1.xyzw - cc.gggg;\n"
|
| 598 |
" float2 D4 = v2.xw - v2.yz;\n"
|
| 599 |
" fxx = D2.x + D2.y;\n"
|
| 600 |
" fyy = D2.z + D2.w;\n"
|
| 601 |
" fxy = 0.25*(D4.x + D4.y);\n"
|
| 602 |
" float fxx_plus_fyy = fxx + fyy;\n"
|
| 603 |
" float score_up = fxx_plus_fyy*fxx_plus_fyy; \n"
|
| 604 |
" float score_down = (fxx*fyy - fxy*fxy);\n"
|
| 605 |
" if( score_down <= 0 || score_up > THRESHOLD2 * score_down)return;\n"
|
| 606 |
//...
|
| 607 |
<< |
| 608 |
" float2 D5 = 0.5*(v1.yw-v1.xz); \n"
|
| 609 |
" float fx = D5.x, fy = D5.y ; \n"
|
| 610 |
" float fs, fss , fxs, fys ; \n"
|
| 611 |
" float2 v3; float4 v4, v5, v6;\n"
|
| 612 |
//read 9 pixels of upper level
|
| 613 |
<< |
| 614 |
" v3.x = texRECT(texU, TexCC.xy).g;\n"
|
| 615 |
" v4.x = texRECT(texU, TexLC.xy).g;\n"
|
| 616 |
" v4.y = texRECT(texU, TexRC.xy).g;\n"
|
| 617 |
" v4.z = texRECT(texU, TexCD.xy).g;\n"
|
| 618 |
" v4.w = texRECT(texU, TexCU.xy).g;\n"
|
| 619 |
" v6.x = texRECT(texU, TexLD.xy).g;\n"
|
| 620 |
" v6.y = texRECT(texU, TexLU.xy).g;\n"
|
| 621 |
" v6.z = texRECT(texU, TexRD.xy).g;\n"
|
| 622 |
" v6.w = texRECT(texU, TexRU.xy).g;\n"
|
| 623 |
//compare with 9 pixels of upper level
|
| 624 |
//read and compare with 9 pixels of lower level
|
| 625 |
//the maximum case
|
| 626 |
<< |
| 627 |
" if(dog == 1.0)\n"
|
| 628 |
" {\n"
|
| 629 |
" bool4 test = cc.gggg < max(v4, v6); \n"
|
| 630 |
" if(cc.g < v3.x || any(test.xy||test.zw))return; \n"
|
| 631 |
" v3.y = texRECT(texD, TexCC.xy).g;\n"
|
| 632 |
" v5.x = texRECT(texD, TexLC.xy).g;\n"
|
| 633 |
" v5.y = texRECT(texD, TexRC.xy).g;\n"
|
| 634 |
" v5.z = texRECT(texD, TexCD.xy).g;\n"
|
| 635 |
" v5.w = texRECT(texD, TexCU.xy).g;\n"
|
| 636 |
" v6.x = texRECT(texD, TexLD.xy).g;\n"
|
| 637 |
" v6.y = texRECT(texD, TexLU.xy).g;\n"
|
| 638 |
" v6.z = texRECT(texD, TexRD.xy).g;\n"
|
| 639 |
" v6.w = texRECT(texD, TexRU.xy).g;\n"
|
| 640 |
" test = cc.gggg<max(v5, v6); \n"
|
| 641 |
" if(cc.g < v3.y || any(test.xy||test.zw))return; \n"
|
| 642 |
" }\n"
|
| 643 |
//the minimum case
|
| 644 |
<< |
| 645 |
" else{\n"
|
| 646 |
" bool4 test = cc.gggg>min(v4, v6); \n"
|
| 647 |
" if(cc.g > v3.x || any(test.xy||test.zw))return; \n"
|
| 648 |
" v3.y = texRECT(texD, TexCC.xy).g;\n"
|
| 649 |
" v5.x = texRECT(texD, TexLC.xy).g;\n"
|
| 650 |
" v5.y = texRECT(texD, TexRC.xy).g;\n"
|
| 651 |
" v5.z = texRECT(texD, TexCD.xy).g;\n"
|
| 652 |
" v5.w = texRECT(texD, TexCU.xy).g;\n"
|
| 653 |
" v6.x = texRECT(texD, TexLD.xy).g;\n"
|
| 654 |
" v6.y = texRECT(texD, TexLU.xy).g;\n"
|
| 655 |
" v6.z = texRECT(texD, TexRD.xy).g;\n"
|
| 656 |
" v6.w = texRECT(texD, TexRU.xy).g;\n"
|
| 657 |
" test = cc.gggg>min(v5, v6); \n"
|
| 658 |
" if(cc.g > v3.y || any(test.xy||test.zw))return; \n"
|
| 659 |
" }\n";
|
| 660 |
|
| 661 |
if(GlobalUtil::_SubpixelLocalization)
|
| 662 |
|
| 663 |
// sub-pixel localization FragData1 = float4(dog, 0, 0, 0); return;
|
| 664 |
out << |
| 665 |
" fs = 0.5*( v3.x - v3.y ); //bug fix 9/12/2007 \n"
|
| 666 |
" fss = v3.x + v3.y - cc.g - cc.g;\n"
|
| 667 |
" fxs = 0.25 * ( v4.y + v5.x - v4.x - v5.y);\n"
|
| 668 |
" fys = 0.25 * ( v4.w + v5.z - v4.z - v5.w);\n"
|
| 669 |
|
| 670 |
/////////////////////////////////////////////////////////////////
|
| 671 |
// let dog difference be quatratic function of dx, dy, ds;
|
| 672 |
// df(dx, dy, ds) = fx * dx + fy*dy + fs * ds +
|
| 673 |
// + 0.5 * ( fxx * dx * dx + fyy * dy * dy + fss * ds * ds)
|
| 674 |
// + (fxy * dx * dy + fxs * dx * ds + fys * dy * ds)
|
| 675 |
// (fx, fy, fs, fxx, fyy, fss, fxy, fxs, fys are the derivatives)
|
| 676 |
|
| 677 |
//the local extremum satisfies
|
| 678 |
// df/dx = 0, df/dy = 0, df/dz = 0
|
| 679 |
|
| 680 |
//that is
|
| 681 |
// |-fx| | fxx fxy fxs | |dx|
|
| 682 |
// |-fy| = | fxy fyy fys | * |dy|
|
| 683 |
// |-fs| | fxs fys fss | |ds|
|
| 684 |
// need to solve dx, dy, ds
|
| 685 |
|
| 686 |
// Use Gauss elimination to solve the linear system
|
| 687 |
<< |
| 688 |
" float3 dxys = float3(0.0); \n"
|
| 689 |
" float4 A0, A1, A2 ; \n"
|
| 690 |
" A0 = float4(fxx, fxy, fxs, -fx); \n"
|
| 691 |
" A1 = float4(fxy, fyy, fys, -fy); \n"
|
| 692 |
" A2 = float4(fxs, fys, fss, -fs); \n"
|
| 693 |
" float3 x3 = abs(float3(fxx, fxy, fxs)); \n"
|
| 694 |
" float maxa = max(max(x3.x, x3.y), x3.z); \n"
|
| 695 |
" if(maxa >= 1e-10 ) { \n"
|
| 696 |
" if(x3.y ==maxa ) \n"
|
| 697 |
" { \n"
|
| 698 |
" float4 TEMP = A1; A1 = A0; A0 = TEMP; \n"
|
| 699 |
" }else if( x3.z == maxa ) \n"
|
| 700 |
" { \n"
|
| 701 |
" float4 TEMP = A2; A2 = A0; A0 = TEMP; \n"
|
| 702 |
" } \n"
|
| 703 |
" A0 /= A0.x; \n"
|
| 704 |
" A1 -= A1.x * A0; \n"
|
| 705 |
" A2 -= A2.x * A0; \n"
|
| 706 |
" float2 x2 = abs(float2(A1.y, A2.y)); \n"
|
| 707 |
" if( x2.y > x2.x ) \n"
|
| 708 |
" { \n"
|
| 709 |
" float3 TEMP = A2.yzw; \n"
|
| 710 |
" A2.yzw = A1.yzw; \n"
|
| 711 |
" A1.yzw = TEMP; \n"
|
| 712 |
" x2.x = x2.y; \n"
|
| 713 |
" } \n"
|
| 714 |
" if(x2.x >= 1e-10) { \n"
|
| 715 |
" A1.yzw /= A1.y; \n"
|
| 716 |
" A2.yzw -= A2.y * A1.yzw; \n"
|
| 717 |
" if(abs(A2.z) >= 1e-10) { \n"
|
| 718 |
// compute dx, dy, ds:
|
| 719 |
<< |
| 720 |
" dxys.z = A2.w /A2.z; \n"
|
| 721 |
" dxys.y = A1.w - dxys.z*A1.z; \n"
|
| 722 |
" dxys.x = A0.w - dxys.z*A0.z - dxys.y*A0.y; \n"
|
| 723 |
|
| 724 |
//one more threshold which I forgot in versions prior to 286
|
| 725 |
<< |
| 726 |
" bool bugfix_test = (abs(cc.g + 0.5*dot(float3(fx, fy, fs), dxys )) < THRESHOLD1) ;\n"
|
| 727 |
" if(bugfix_test || any(abs(dxys) >= 1.0)) dog = 0; \n"
|
| 728 |
" }}}\n"
|
| 729 |
//keep the point when the offset is less than 1
|
| 730 |
<< |
| 731 |
" FragData1 = float4( dog, dxys); \n"
|
| 732 |
"}\n" <<'\0'; |
| 733 |
|
| 734 |
else out<<
|
| 735 |
" FragData1 = float4( dog, 0, 0, 0) ; \n"
|
| 736 |
"}\n" <<'\0'; |
| 737 |
|
| 738 |
ProgramCG * program; |
| 739 |
s_keypoint = program = new ProgramCG(buffer);
|
| 740 |
if(!program->IsValidProgram())
|
| 741 |
{
|
| 742 |
delete program;
|
| 743 |
out.seekp(pos); |
| 744 |
out << |
| 745 |
" FragData1 = float4( fabs(cc.g) > 2.0 * THRESHOLD0? dog : 0, 0, 0, 0) ; \n"
|
| 746 |
"}\n" <<'\0'; |
| 747 |
s_keypoint = program = new ProgramCG(buffer);
|
| 748 |
GlobalUtil::_SubpixelLocalization = 0;
|
| 749 |
std::cerr<<"Detection simplified on this hardware"<<endl;
|
| 750 |
} |
| 751 |
//parameter
|
| 752 |
_param_dog_texu = cgGetNamedParameter(*program, "texU");
|
| 753 |
_param_dog_texd = cgGetNamedParameter(*program, "texD");
|
| 754 |
|
| 755 |
|
| 756 |
|
| 757 |
|
| 758 |
} |
| 759 |
|
| 760 |
|
| 761 |
void ShaderBagCG::SetDogTexParam(int texU, int texD) |
| 762 |
{
|
| 763 |
cgGLSetTextureParameter(_param_dog_texu, texU); |
| 764 |
cgGLEnableTextureParameter(_param_dog_texu); |
| 765 |
cgGLSetTextureParameter(_param_dog_texd, texD); |
| 766 |
cgGLEnableTextureParameter(_param_dog_texd); |
| 767 |
} |
| 768 |
|
| 769 |
void ShaderBagCG::SetGenListStepParam(int tex, int tex0) |
| 770 |
{
|
| 771 |
cgGLSetTextureParameter(_param_genlist_step_tex, tex); |
| 772 |
cgGLEnableTextureParameter(_param_genlist_step_tex); |
| 773 |
cgGLSetTextureParameter(_param_genlist_step_tex0, tex0); |
| 774 |
cgGLEnableTextureParameter(_param_genlist_step_tex0); |
| 775 |
} |
| 776 |
|
| 777 |
void ShaderBagCG::SetGenVBOParam(float width, float fwidth, float size) |
| 778 |
{
|
| 779 |
float sizes[4] = {size*3.0f, fwidth, width, 1.0f/width}; |
| 780 |
cgGLSetParameter4fv(_param_genvbo_size, sizes); |
| 781 |
} |
| 782 |
|
| 783 |
|
| 784 |
ProgramGPU* FilterGLCG::CreateFilterH(float kernel[], float offset[], int width) |
| 785 |
{
|
| 786 |
|
| 787 |
|
| 788 |
char buffer[10240]; |
| 789 |
ostrstream out(buffer, 10240);
|
| 790 |
|
| 791 |
out<<setprecision(8);
|
| 792 |
|
| 793 |
if(GlobalUtil::_BetaFilter)
|
| 794 |
{
|
| 795 |
out<< "void main(uniform samplerRECT tex,";
|
| 796 |
out<<"\n\tin float4 TexCoord0: TEXCOORD0,";
|
| 797 |
out<<"\n\tout float4 FragColor : COLOR0 )";
|
| 798 |
out<<"\n{\n\tfloat4 intensity4 = float4(0, 0, 0, 0), data;\n";
|
| 799 |
out<<"float or = texRECT(tex, TexCoord0.xy).r, intensity;\n";
|
| 800 |
|
| 801 |
for(int i = 0; i< width; i+=4) |
| 802 |
{
|
| 803 |
out <<"data = float4(";
|
| 804 |
for(int j = i; j < i + 4; j++) |
| 805 |
{
|
| 806 |
if(j != i) out <<", \n"; |
| 807 |
if(j >= width)
|
| 808 |
{
|
| 809 |
out<<"0";
|
| 810 |
}else if(offset[j]==0.0) |
| 811 |
{
|
| 812 |
out<<"or";
|
| 813 |
}else
|
| 814 |
{
|
| 815 |
out<<"texRECT(tex, TexCoord0.xy + float2(float("<<offset[j] <<") , 0)).r"; |
| 816 |
} |
| 817 |
} |
| 818 |
out << ");\n";
|
| 819 |
out << "intensity4 += data * float4(";
|
| 820 |
for(int k = i; k < i + 4; k++) |
| 821 |
{
|
| 822 |
if(k != i) out <<", "; |
| 823 |
if(k >= width) out<<"0"; |
| 824 |
else out<<kernel[k];
|
| 825 |
} |
| 826 |
out << ");\n";
|
| 827 |
|
| 828 |
} |
| 829 |
out << "intensity4.xy += intensity4.zw;\n";
|
| 830 |
out << "intensity = intensity4.x + intensity4.y;\n";
|
| 831 |
}else
|
| 832 |
{
|
| 833 |
out<< "void main(uniform samplerRECT tex,";
|
| 834 |
out<<"\n\tin float4 TexCoord0: TEXCOORD0,";
|
| 835 |
out<<"\n\tout float4 FragColor : COLOR0 )";
|
| 836 |
out<<"\n{\n\tfloat intensity = 0.0 ; float2 pos;\n";
|
| 837 |
|
| 838 |
for(int i = 0; i< width; i++) |
| 839 |
{
|
| 840 |
if(offset[i]==0.0) |
| 841 |
{
|
| 842 |
out<<"float or = texRECT(tex, TexCoord0.xy).r;\n";
|
| 843 |
out<<"intensity+= or * "<<kernel[i]<<";\n"; |
| 844 |
|
| 845 |
}else
|
| 846 |
{
|
| 847 |
out<<"pos = TexCoord0.xy + float2(float("<<offset[i] <<") , 0);\n"; |
| 848 |
out<<"intensity+= "<<kernel[i]<<"*texRECT(tex, pos).r;\n"; |
| 849 |
} |
| 850 |
} |
| 851 |
} |
| 852 |
//copy original data to red channel
|
| 853 |
out<<"FragColor.r = or;\n";
|
| 854 |
out<<"FragColor.b = intensity;}\n"<<'\0'; |
| 855 |
|
| 856 |
return new ProgramCG( buffer); |
| 857 |
} |
| 858 |
|
| 859 |
|
| 860 |
ProgramGPU* FilterGLCG::CreateFilterV(float kernel[], float offset[], int height) |
| 861 |
{
|
| 862 |
char buffer[10240]; |
| 863 |
ostrstream out(buffer, 10240);
|
| 864 |
out<<setprecision(8);
|
| 865 |
|
| 866 |
if(GlobalUtil::_BetaFilter)
|
| 867 |
{
|
| 868 |
out<< "void main(uniform samplerRECT tex,";
|
| 869 |
out<<"\n\tin float4 TexCoord0: TEXCOORD0,";
|
| 870 |
out<<"\n\tout float4 FragColor : COLOR0 )";
|
| 871 |
out<<"\n{\n\tfloat4 intensity4 = float4(0, 0, 0, 0), data;\n";
|
| 872 |
out<<"float2 orb = texRECT(tex, TexCoord0.xy).rb; float intensity;\n";
|
| 873 |
|
| 874 |
for(int i = 0; i< height; i+=4) |
| 875 |
{
|
| 876 |
out <<"data = float4(";
|
| 877 |
for(int j = i; j < i + 4; j++) |
| 878 |
{
|
| 879 |
if(j != i) out <<", \n"; |
| 880 |
if(j >= height)
|
| 881 |
{
|
| 882 |
out<<"0";
|
| 883 |
}else if(offset[j]==0.0) |
| 884 |
{
|
| 885 |
out<<"orb.y";
|
| 886 |
}else
|
| 887 |
{
|
| 888 |
out<<"texRECT(tex, TexCoord0.xy + float2(0, float("<<offset[j] <<"))).b"; |
| 889 |
} |
| 890 |
} |
| 891 |
out << ");\n";
|
| 892 |
out << "intensity4 += data * float4(";
|
| 893 |
for(int k = i; k < i + 4; k++) |
| 894 |
{
|
| 895 |
if(k != i) out <<", "; |
| 896 |
if(k >= height) out<<"0"; |
| 897 |
else out<<kernel[k];
|
| 898 |
} |
| 899 |
out << ");\n";
|
| 900 |
|
| 901 |
} |
| 902 |
out << "intensity4.xy += intensity4.zw;\n";
|
| 903 |
out << "intensity = intensity4.x + intensity4.y;\n";
|
| 904 |
}else
|
| 905 |
{
|
| 906 |
out<< "void main(uniform samplerRECT tex,";
|
| 907 |
out<<"\n\tin float4 TexCoord0: TEXCOORD0,";
|
| 908 |
out<<"\n\tout float4 FragColor : COLOR0 )";
|
| 909 |
out<<"\n{\n\tfloat intensity = 0.0 ; float2 pos;\n";
|
| 910 |
|
| 911 |
for(int i = 0; i< height; i++) |
| 912 |
{
|
| 913 |
if(offset[i]==0.0) |
| 914 |
{
|
| 915 |
out<<"float2 orb = texRECT(tex, TexCoord0.xy).rb;\n";
|
| 916 |
out<<"intensity+= orb.y * "<<kernel[i]<<";\n"; |
| 917 |
|
| 918 |
}else
|
| 919 |
{
|
| 920 |
out<<"pos = TexCoord0.xy + float2(0, float("<<offset[i] <<"));\n"; |
| 921 |
out<<"intensity+= "<<kernel[i]<<"*texRECT(tex, pos).b;\n"; |
| 922 |
} |
| 923 |
} |
| 924 |
} |
| 925 |
out<<"FragColor.b = orb.y;\n";
|
| 926 |
out<<"FragColor.g = intensity - orb.x;\n"; // difference of gaussian.. |
| 927 |
out<<"FragColor.r = intensity;}\n"<<'\0'; |
| 928 |
|
| 929 |
return new ProgramCG( buffer); |
| 930 |
} |
| 931 |
|
| 932 |
|
| 933 |
ProgramGPU* FilterGLCG::CreateFilterHPK(float kernel[], float offset[], int width) |
| 934 |
{
|
| 935 |
//both h and v are packed...
|
| 936 |
int i, j , xw, xwn;
|
| 937 |
int halfwidth = width >>1; |
| 938 |
float * pf = kernel + halfwidth;
|
| 939 |
int nhpixel = (halfwidth+1)>>1; //how many neighbour pixels need to be looked up |
| 940 |
int npixel = (nhpixel<<1)+1;// |
| 941 |
char buffer[10240]; |
| 942 |
float weight[3]; |
| 943 |
ostrstream out(buffer, 10240);
|
| 944 |
out<<setprecision(8);
|
| 945 |
|
| 946 |
out<< "void main(uniform samplerRECT tex, float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0 ){\n";
|
| 947 |
out<< "float4 result = float4(0, 0, 0, 0); \nfloat4 pc; float2 coord; \n";
|
| 948 |
///use multi texture coordinate because nhpixels can be at most 3
|
| 949 |
for( i = 0 ; i < npixel ; i++) |
| 950 |
{
|
| 951 |
|
| 952 |
out<<"coord = TexCoord0.xy + float2(float("<<i-nhpixel<<"),0);\n"; |
| 953 |
out<<"pc=texRECT(tex, coord);\n";
|
| 954 |
if(GlobalUtil::_PreciseBorder) out<<"if(coord.x < 0) pc = pc.rrbb;\n"; |
| 955 |
|
| 956 |
//for each sub-pixel j in center, the weight of sub-pixel k
|
| 957 |
xw = (i - nhpixel)*2;
|
| 958 |
for( j = 0; j < 3; j++) |
| 959 |
{
|
| 960 |
xwn = xw + j -1;
|
| 961 |
weight[j] = xwn < -halfwidth || xwn > halfwidth? 0 : pf[xwn];
|
| 962 |
} |
| 963 |
//if(weight[1]!=0.0) out<<"FragColor += "<<weight[1]<<"*pc;\n";
|
| 964 |
//out<<"FragColor += float4("<<weight[2]<<","<<weight[0]<<","<<weight[2]<<","<<weight[0]<<")*pc.grab;\n";
|
| 965 |
|
| 966 |
if(weight[1] == 0.0) |
| 967 |
{
|
| 968 |
out<<"result += float4("<<weight[2]<<","<<weight[0]<<","<<weight[2]<<","<<weight[0]<<")*pc.grab;\n"; |
| 969 |
} |
| 970 |
else
|
| 971 |
{
|
| 972 |
out<<"result += float4("<<weight[1]<<", "<<weight[0]<<", "<<weight[1]<<", "<<weight[0]<<")*pc.rrbb;\n"; |
| 973 |
out<<"result += float4("<<weight[2]<<", "<<weight[1]<<", "<<weight[2]<<", "<<weight[1]<<")*pc.ggaa;\n"; |
| 974 |
} |
| 975 |
|
| 976 |
} |
| 977 |
out<< |
| 978 |
" FragColor = result; }\n"<<'\0'; |
| 979 |
return new ProgramCG( buffer); |
| 980 |
} |
| 981 |
|
| 982 |
ProgramGPU* FilterGLCG::CreateFilterVPK(float kernel[], float offset[], int height) |
| 983 |
{
|
| 984 |
|
| 985 |
//both h and v are packed...
|
| 986 |
int i, j , yw, ywn;
|
| 987 |
int halfh = height >>1; |
| 988 |
float * pf = kernel + halfh;
|
| 989 |
int nhpixel = (halfh+1)>>1; //how many neighbour pixels need to be looked up |
| 990 |
int npixel = (nhpixel<<1)+1;// |
| 991 |
char buffer[10240]; |
| 992 |
float weight[3]; |
| 993 |
ostrstream out(buffer, 10240);
|
| 994 |
out<<setprecision(8);
|
| 995 |
|
| 996 |
out<< "void main(uniform samplerRECT tex, float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0 ){\n";
|
| 997 |
out<< "float4 result = float4(0, 0, 0, 0);\nfloat4 pc; float2 coord;\n";
|
| 998 |
///use multi texture coordinate because nhpixels can be at most 3
|
| 999 |
|
| 1000 |
for( i = 0 ; i < npixel ; i++) |
| 1001 |
{
|
| 1002 |
|
| 1003 |
out<<"coord = TexCoord0.xy + float2(0, float("<<i-nhpixel<<"));\n"; |
| 1004 |
out<<"pc=texRECT(tex, coord);\n";
|
| 1005 |
if(GlobalUtil::_PreciseBorder) out<<"if(coord.y < 0) pc = pc.rgrg;\n"; |
| 1006 |
//for each sub-pixel j in center, the weight of sub-pixel k
|
| 1007 |
yw = (i - nhpixel)*2;
|
| 1008 |
for( j = 0; j < 3; j++) |
| 1009 |
{
|
| 1010 |
ywn = yw + j -1;
|
| 1011 |
weight[j] = ywn < -halfh || ywn > halfh? 0 : pf[ywn];
|
| 1012 |
} |
| 1013 |
//if(weight[1]!=0.0) out<<"FragColor += "<<weight[1]<<"*pc;\n";
|
| 1014 |
//out<<"FragColor += float4("<<weight[2]<<","<<weight[2]<<","<<weight[0]<<","<<weight[0]<<")*pc.barg;\n";
|
| 1015 |
if(weight[1] == 0.0) |
| 1016 |
{
|
| 1017 |
out<<"result += float4("<<weight[2]<<","<<weight[2]<<","<<weight[0]<<","<<weight[0]<<")*pc.barg;\n"; |
| 1018 |
}else
|
| 1019 |
{
|
| 1020 |
out<<"result += float4("<<weight[1]<<","<<weight[1]<<","<<weight[0]<<","<<weight[0]<<")*pc.rgrg;\n"; |
| 1021 |
out<<"result += float4("<<weight[2]<<","<<weight[2]<<","<<weight[1]<<","<<weight[1]<<")*pc.baba;\n"; |
| 1022 |
} |
| 1023 |
} |
| 1024 |
out<< |
| 1025 |
" FragColor = result; }\n"<<'\0'; |
| 1026 |
return new ProgramCG( buffer); |
| 1027 |
} |
| 1028 |
|
| 1029 |
|
| 1030 |
void ShaderBagCG::LoadGenListShader(int ndoglev, int nlev) |
| 1031 |
{
|
| 1032 |
ProgramCG * program; |
| 1033 |
|
| 1034 |
s_genlist_init_tight = new ProgramCG(
|
| 1035 |
"void main (\n"
|
| 1036 |
"uniform samplerRECT tex, in float4 TexCoord0 : TEXCOORD0,\n"
|
| 1037 |
"in float4 TexCoord1 : TEXCOORD1, in float4 TexCoord2 : TEXCOORD2, in float4 TexCoord3 : TEXCOORD3,\n"
|
| 1038 |
"out float4 FragColor : COLOR0){\n"
|
| 1039 |
"float4 helper = float4( texRECT(tex, TexCoord0.xy).r, texRECT(tex, TexCoord1.xy).r,\n"
|
| 1040 |
"texRECT(tex, TexCoord2.xy).r, texRECT(tex, TexCoord3.xy).r);\n"
|
| 1041 |
"FragColor = float4(helper>0.0);\n"
|
| 1042 |
"}");
|
| 1043 |
|
| 1044 |
s_genlist_init_ex = program = new ProgramCG(
|
| 1045 |
"void main (uniform float2 bbox, \n"
|
| 1046 |
"uniform samplerRECT tex, \n"
|
| 1047 |
"in float4 TexCoord0 : TEXCOORD0,\n"
|
| 1048 |
"in float4 TexCoord1 : TEXCOORD1, \n"
|
| 1049 |
"in float4 TexCoord2 : TEXCOORD2, \n"
|
| 1050 |
"in float4 TexCoord3 : TEXCOORD3,\n"
|
| 1051 |
"out float4 FragColor : COLOR0){\n"
|
| 1052 |
"float4 helper = float4( \n"
|
| 1053 |
"texRECT(tex, TexCoord0.xy).r, texRECT(tex, TexCoord1.xy).r,\n"
|
| 1054 |
"texRECT(tex, TexCoord2.xy).r, texRECT(tex, TexCoord3.xy).r);\n"
|
| 1055 |
"bool4 helper4 = bool4(TexCoord0.xy < bbox, TexCoord3.xy < bbox); \n"
|
| 1056 |
"bool4 helper2 = helper4.xzxz && helper4.yyww; \n"
|
| 1057 |
"FragColor = float4(helper2 && (helper>0.0 ));\n"
|
| 1058 |
"}");
|
| 1059 |
_param_genlist_init_bbox = cgGetNamedParameter( *program, "bbox");
|
| 1060 |
|
| 1061 |
|
| 1062 |
//reduction ...
|
| 1063 |
s_genlist_histo = new ProgramCG(
|
| 1064 |
"void main (\n"
|
| 1065 |
"uniform samplerRECT tex, in float2 TexCoord0 : TEXCOORD0,\n"
|
| 1066 |
"in float2 TexCoord1 : TEXCOORD1, in float2 TexCoord2 : TEXCOORD2, in float2 TexCoord3 : TEXCOORD3,\n"
|
| 1067 |
"out float4 FragColor : COLOR0){\n"
|
| 1068 |
"float4 helper; float4 helper2; \n"
|
| 1069 |
"helper = texRECT(tex, TexCoord0); helper2.xy = helper.xy + helper.zw; \n"
|
| 1070 |
"helper = texRECT(tex, TexCoord1); helper2.zw = helper.xy + helper.zw; \n"
|
| 1071 |
"FragColor.rg = helper2.xz + helper2.yw;\n"
|
| 1072 |
"helper = texRECT(tex, TexCoord2); helper2.xy = helper.xy + helper.zw; \n"
|
| 1073 |
"helper = texRECT(tex, TexCoord3); helper2.zw = helper.xy + helper.zw; \n"
|
| 1074 |
"FragColor.ba= helper2.xz+helper2.yw;\n"
|
| 1075 |
"}");
|
| 1076 |
|
| 1077 |
|
| 1078 |
//read of the first part, which generates tex coordinates
|
| 1079 |
|
| 1080 |
s_genlist_start= program = LoadGenListStepShader(1, 1); |
| 1081 |
_param_ftex_width= cgGetNamedParameter(*program, "width");
|
| 1082 |
_param_genlist_start_tex0 = cgGetNamedParameter(*program, "tex0");
|
| 1083 |
//stepping
|
| 1084 |
s_genlist_step = program = LoadGenListStepShader(0, 1); |
| 1085 |
_param_genlist_step_tex= cgGetNamedParameter(*program, "tex");
|
| 1086 |
_param_genlist_step_tex0= cgGetNamedParameter(*program, "tex0");
|
| 1087 |
|
| 1088 |
|
| 1089 |
} |
| 1090 |
|
| 1091 |
ProgramCG* ShaderBagCG::LoadGenListStepShader(int start, int step) |
| 1092 |
{
|
| 1093 |
int i;
|
| 1094 |
char buffer[10240]; |
| 1095 |
//char chanels[5] = "rgba";
|
| 1096 |
ostrstream out(buffer, 10240);
|
| 1097 |
out<<"void main(out float4 FragColor : COLOR0, \n";
|
| 1098 |
|
| 1099 |
for(i = 0; i < step; i++) out<<"uniform samplerRECT tex"<<i<<",\n"; |
| 1100 |
|
| 1101 |
if(start)
|
| 1102 |
{
|
| 1103 |
out<<"uniform float width, \nin float2 tpos : TEXCOORD0){\n";
|
| 1104 |
out<<"float index = floor(tpos.y) * width + floor(tpos.x) + 0.0001;\n";
|
| 1105 |
out<<"float2 pos = float2(0.5, 0.5);\n";
|
| 1106 |
}else
|
| 1107 |
{
|
| 1108 |
out<<"uniform samplerRECT tex, in float2 tpos: TEXCOORD0 ){\n";
|
| 1109 |
out<<"float4 tc = texRECT( tex, tpos);\n";
|
| 1110 |
out<<"float2 pos = tc.rg; float index = tc.b;\n";
|
| 1111 |
} |
| 1112 |
out<<"float2 sum; float4 cc;\n";
|
| 1113 |
|
| 1114 |
|
| 1115 |
|
| 1116 |
if(step>0) |
| 1117 |
{
|
| 1118 |
out<<"float2 cpos = float2(-0.5, 0.5);\t float2 opos;\n";
|
| 1119 |
for(i = 0; i < step; i++) |
| 1120 |
{
|
| 1121 |
//#define SETP_CODE_2
|
| 1122 |
|
| 1123 |
#ifndef SETP_CODE_2
|
| 1124 |
/* out<<"cc = texRECT(tex"<<i<<", pos);\n";
|
| 1125 |
out<<"float sum3[3] = {cc.r, cc.r + cc.g, cc.r + cc.g + cc.b};\n";
|
| 1126 |
out<<"float3 cmp = float3(index > float3(sum3[0], sum3[1], sum3[2]));\n";
|
| 1127 |
out<<"opos.y = -0.5 + cmp.y; opos.x = -0.5 + cmp.x + (cmp.z - cmp.y);\n";
|
| 1128 |
out<<"index -= dot(cmp, cc.rgb);\n";
|
| 1129 |
out<<"pos = (pos + pos + opos);\n";*/
|
| 1130 |
|
| 1131 |
out<<"cc = texRECT(tex"<<i<<", pos); sum.x = cc.r + cc.g;\n"; |
| 1132 |
out<<"if (index < sum.x){ if(index < cc.r) opos = cpos.xx; else {opos = cpos.yx; index -= cc.r;}}\n";
|
| 1133 |
out<<"else {index -= sum.x; if(index < cc.b) opos = cpos.xy; else{opos = cpos.yy; index -= cc.b;}}";
|
| 1134 |
out<<"pos = (pos + pos + opos);\n";
|
| 1135 |
|
| 1136 |
/* out<<"cc = texRECT(tex"<<i<<", pos);\n";
|
| 1137 |
out<<"if (index <cc.r){ opos = cpos.xx;}\n";
|
| 1138 |
out<<"else{sum.x = cc.r + cc.g;";
|
| 1139 |
out<<"if(index < sum.x ) {opos = cpos.yx; index -= cc.r;}\n";
|
| 1140 |
out<<"else{sum.y = sum.x + cc.b;";
|
| 1141 |
out<<"if(index < sum.y ) {opos = cpos.xy; index -= sum.x;}\n";
|
| 1142 |
out<<"else {opos = cpos.yy; index -= sum.y;}}}\n";
|
| 1143 |
out<<"pos = (pos + pos + opos);\n";*/
|
| 1144 |
|
| 1145 |
#else
|
| 1146 |
out<<"cc = texRECT(tex"<<i<<", pos);\n"; |
| 1147 |
out<<"if (index < cc.r) opos = cpos.xx;\n";
|
| 1148 |
out<<"else if (index < cc.r + cc.g){opos = cpos.yx; index -= cc.r;}\n";
|
| 1149 |
out<<"else if (index < cc.r + cc.g + cc.b){opos = cpos.xy; index -= (cc.r + cc.g);}\n";
|
| 1150 |
out<<"else {opos = cpos.yy; index -= (cc.r + cc.g + cc.b);}\n";
|
| 1151 |
out<<"pos = (pos + pos + opos);\n";
|
| 1152 |
#endif
|
| 1153 |
} |
| 1154 |
} |
| 1155 |
out<<"FragColor = float4(pos, index, 1);\n";
|
| 1156 |
out<<"}\n"<<'\0'; |
| 1157 |
return new ProgramCG(buffer); |
| 1158 |
} |
| 1159 |
|
| 1160 |
void ShaderBagCG::SetGenListInitParam(int w, int h) |
| 1161 |
{
|
| 1162 |
float bbox[2] = {w -1.0f, h - 1.0f}; |
| 1163 |
cgGLSetParameter2fv(_param_genlist_init_bbox, bbox); |
| 1164 |
} |
| 1165 |
|
| 1166 |
void ShaderBagCG::SetGenListStartParam(float width, int tex0) |
| 1167 |
{
|
| 1168 |
cgGLSetParameter1f(_param_ftex_width, width); |
| 1169 |
|
| 1170 |
if(_param_genlist_start_tex0)
|
| 1171 |
{
|
| 1172 |
cgGLSetTextureParameter(_param_genlist_start_tex0, tex0); |
| 1173 |
cgGLEnableTextureParameter(_param_genlist_start_tex0); |
| 1174 |
} |
| 1175 |
} |
| 1176 |
|
| 1177 |
void ShaderBagCG::LoadDescriptorShaderF2()
|
| 1178 |
{
|
| 1179 |
//one shader outpout 128/8 = 16 , each fragout encodes 4
|
| 1180 |
//const double twopi = 2.0*3.14159265358979323846;
|
| 1181 |
//const double rpi = 8.0/twopi;
|
| 1182 |
char buffer[10240]; |
| 1183 |
ostrstream out(buffer, 10240);
|
| 1184 |
|
| 1185 |
out<<setprecision(8);
|
| 1186 |
|
| 1187 |
out<<"\n"
|
| 1188 |
"#define M_PI 3.14159265358979323846\n"
|
| 1189 |
"#define TWO_PI (2.0*M_PI)\n"
|
| 1190 |
"#define RPI 1.2732395447351626861510701069801\n"
|
| 1191 |
"#define WF size.z\n"
|
| 1192 |
"void main(uniform samplerRECT tex, \n"
|
| 1193 |
"uniform samplerRECT gradTex, \n"
|
| 1194 |
"uniform float4 dsize, \n"
|
| 1195 |
"uniform float3 size, \n"
|
| 1196 |
"in float2 TexCoord0 : TEXCOORD0, \n"
|
| 1197 |
"out float4 FragData0:COLOR0, \n"
|
| 1198 |
"out float4 FragData1:COLOR1) \n"
|
| 1199 |
"{\n"
|
| 1200 |
" float2 dim = size.xy; //image size \n"
|
| 1201 |
" float index = dsize.x * floor(TexCoord0.y * 0.5) + TexCoord0.x;\n"
|
| 1202 |
" float idx = 8.0 * frac(index * 0.125) + 8.0 * floor(2.0 * frac(TexCoord0.y * 0.5)); \n"
|
| 1203 |
" index = floor(index*0.125) + 0.49; \n"
|
| 1204 |
" float2 coord = floor( float2( fmod(index, dsize.z), index*dsize.w)) + 0.5 ;\n"
|
| 1205 |
" float2 pos = texRECT(tex, coord).xy; \n"
|
| 1206 |
" if(any(pos.xy <= 1) || any(pos.xy >=dim-1)) "
|
| 1207 |
" //discard; \n"
|
| 1208 |
" { FragData0 = FragData1 = float4(0.0); return; }\n"
|
| 1209 |
" float anglef = texRECT(tex, coord).z;\n"
|
| 1210 |
" if(anglef > M_PI) anglef -= TWO_PI;\n"
|
| 1211 |
" float sigma = texRECT(tex, coord).w; \n"
|
| 1212 |
" float spt = abs(sigma * WF); //default to be 3*sigma \n";
|
| 1213 |
|
| 1214 |
//rotation
|
| 1215 |
out<< |
| 1216 |
" float4 cscs, rots; \n"
|
| 1217 |
" sincos(anglef, cscs.y, cscs.x); \n"
|
| 1218 |
" cscs.zw = - cscs.xy; \n"
|
| 1219 |
" rots = cscs /spt; \n"
|
| 1220 |
" cscs *= spt; \n";
|
| 1221 |
|
| 1222 |
//here cscs is actually (cos, sin, -cos, -sin) * (factor: 3)*sigma
|
| 1223 |
//and rots is (cos, sin, -cos, -sin ) /(factor*sigma)
|
| 1224 |
//devide the 4x4 sift grid into 16 1x1 block, and each corresponds to a shader thread
|
| 1225 |
//To use linear interoplation, 1x1 is increased to 2x2, by adding 0.5 to each side
|
| 1226 |
out<< |
| 1227 |
" float4 temp; float2 pt, offsetpt; \n"
|
| 1228 |
" /*the fraction part of idx is .5*/ \n"
|
| 1229 |
" offsetpt.x = 4.0 * frac(idx*0.25) - 2.0; \n"
|
| 1230 |
" offsetpt.y = floor(idx*0.25) - 1.5; \n"
|
| 1231 |
" temp = cscs.xwyx*offsetpt.xyxy; \n"
|
| 1232 |
" pt = pos + temp.xz + temp.yw; \n";
|
| 1233 |
|
| 1234 |
//get a horizontal bounding box of the rotated rectangle
|
| 1235 |
out<< |
| 1236 |
" float2 bwin = abs(cscs.xy); \n"
|
| 1237 |
" float bsz = bwin.x + bwin.y; \n"
|
| 1238 |
" float4 sz; float2 spos; \n"
|
| 1239 |
" sz.xy = max(pt - bsz, float2(1,1));\n"
|
| 1240 |
" sz.zw = min(pt + bsz, dim - 2); \n"
|
| 1241 |
" sz = floor(sz)+0.5;"; //move sample point to pixel center |
| 1242 |
|
| 1243 |
//get voting for two box
|
| 1244 |
out<<"\n"
|
| 1245 |
" float4 DA, DB; \n"
|
| 1246 |
" DA = DB = float4(0, 0, 0, 0); \n"
|
| 1247 |
" for(spos.y = sz.y; spos.y <= sz.w; spos.y+=1.0) \n"
|
| 1248 |
" { \n"
|
| 1249 |
" for(spos.x = sz.x; spos.x <= sz.z; spos.x+=1.0) \n"
|
| 1250 |
" { \n"
|
| 1251 |
" float2 diff = spos - pt; \n"
|
| 1252 |
" temp = rots.xywx * diff.xyxy; \n"
|
| 1253 |
" float2 nxy = (temp.xz + temp.yw); \n"
|
| 1254 |
" float2 nxyn = abs(nxy); \n"
|
| 1255 |
" if(all(nxyn < float2(1.0)))\n"
|
| 1256 |
" {\n"
|
| 1257 |
" float4 cc = texRECT(gradTex, spos); \n"
|
| 1258 |
" float mod = cc.b; float angle = cc.a; \n"
|
| 1259 |
" float theta0 = (anglef - angle)*RPI; \n"
|
| 1260 |
" float theta = theta0 < 0? theta0 + 8.0 : theta0; // fmod(theta0 + 8.0, 8.0); \n"
|
| 1261 |
" diff = nxy + offsetpt.xy; \n"
|
| 1262 |
" float ww = exp(-0.125*dot(diff, diff));\n"
|
| 1263 |
" float2 weights = 1 - nxyn;\n"
|
| 1264 |
" float weight = weights.x * weights.y *mod*ww; \n"
|
| 1265 |
" float theta1 = floor(theta); \n"
|
| 1266 |
" float weight2 = (theta - theta1) * weight; \n"
|
| 1267 |
" float weight1 = weight - weight2;\n"
|
| 1268 |
" DA += float4(theta1 == float4(0, 1, 2, 3))*weight1; \n"
|
| 1269 |
" DA += float4(theta1 == float4(7, 0, 1, 2))*weight2; \n"
|
| 1270 |
" DB += float4(theta1 == float4(4, 5, 6, 7))*weight1; \n"
|
| 1271 |
" DB += float4(theta1 == float4(3, 4, 5, 6))*weight2; \n"
|
| 1272 |
" }\n"
|
| 1273 |
" }\n"
|
| 1274 |
" }\n";
|
| 1275 |
|
| 1276 |
out<< |
| 1277 |
" FragData0 = DA; FragData1 = DB;\n"
|
| 1278 |
"}\n"<<'\0'; |
| 1279 |
|
| 1280 |
ProgramCG * program; |
| 1281 |
s_descriptor_fp = program = new ProgramCG(buffer);
|
| 1282 |
_param_descriptor_gtex = cgGetNamedParameter(*program, "gradTex");
|
| 1283 |
_param_descriptor_size = cgGetNamedParameter(*program, "size");
|
| 1284 |
_param_descriptor_dsize = cgGetNamedParameter(*program, "dsize");
|
| 1285 |
|
| 1286 |
|
| 1287 |
} |
| 1288 |
|
| 1289 |
//the shader that computes the descriptors
|
| 1290 |
void ShaderBagCG::LoadDescriptorShader()
|
| 1291 |
{
|
| 1292 |
GlobalUtil::_DescriptorPPT = 16;
|
| 1293 |
LoadDescriptorShaderF2(); |
| 1294 |
} |
| 1295 |
|
| 1296 |
void ShaderBagCG::LoadOrientationShader()
|
| 1297 |
{
|
| 1298 |
|
| 1299 |
char buffer[10240]; |
| 1300 |
ostrstream out(buffer,10240);
|
| 1301 |
|
| 1302 |
|
| 1303 |
out<<"\n"
|
| 1304 |
"#define GAUSSIAN_WF "<<GlobalUtil::_OrientationGaussianFactor<<" \n" |
| 1305 |
"#define SAMPLE_WF ("<<GlobalUtil::_OrientationWindowFactor<< " )\n" |
| 1306 |
"#define ORIENTATION_THRESHOLD "<< GlobalUtil::_MulitiOrientationThreshold << "\n" |
| 1307 |
"void main(uniform samplerRECT tex, \n"
|
| 1308 |
"uniform samplerRECT gradTex, \n"
|
| 1309 |
" uniform float4 size, \n"
|
| 1310 |
" in float2 TexCoord0 : TEXCOORD0, \n"
|
| 1311 |
" out float4 FeatureData : COLOR0 ";
|
| 1312 |
|
| 1313 |
//multi orientation output
|
| 1314 |
//use one additional texture to store up to four orientations
|
| 1315 |
//when we use one 32bit float to store two orientations, no extra texture is required
|
| 1316 |
|
| 1317 |
if(GlobalUtil::_MaxOrientation >1 && GlobalUtil::_OrientationPack2 == 0) |
| 1318 |
out<<", out float4 OrientationData : COLOR1";
|
| 1319 |
|
| 1320 |
if(GlobalUtil::_SubpixelLocalization || GlobalUtil::_KeepExtremumSign)
|
| 1321 |
{
|
| 1322 |
//data for sub-pixel localization
|
| 1323 |
out<<", uniform samplerRECT texS";
|
| 1324 |
} |
| 1325 |
|
| 1326 |
//use 9 float4 to store histogram of 36 directions
|
| 1327 |
out<<") \n"
|
| 1328 |
"{ \n"
|
| 1329 |
" float4 bins[10]; \n"
|
| 1330 |
" for (int i=0; i<9; i++) bins[i] = float4(0,0,0,0); \n"
|
| 1331 |
" const float4 loc = texRECT(tex, TexCoord0); \n"
|
| 1332 |
" const bool orientation_mode = (size.z != 0); \n"
|
| 1333 |
" float2 pos = loc.xy; \n"
|
| 1334 |
" float sigma = orientation_mode? abs(size.z) : loc.w; \n";
|
| 1335 |
if(GlobalUtil::_SubpixelLocalization || GlobalUtil::_KeepExtremumSign)
|
| 1336 |
{
|
| 1337 |
out<< |
| 1338 |
" if(orientation_mode) {\n"
|
| 1339 |
" float4 keyx = texRECT(texS, pos);\n"
|
| 1340 |
" sigma = sigma * pow(size.w, keyx.w); \n"
|
| 1341 |
" pos.xy = pos.xy + keyx.yz; \n"
|
| 1342 |
" #if " << GlobalUtil::_KeepExtremumSign << "\n" |
| 1343 |
" if(keyx.x<0.6) sigma = - sigma;\n"
|
| 1344 |
" #endif\n"
|
| 1345 |
" }\n";
|
| 1346 |
} |
| 1347 |
|
| 1348 |
out<< |
| 1349 |
" //bool fixed_orientation = (size.z < 0); \n"
|
| 1350 |
" if(size.z < 0) {FeatureData = float4(pos, 0, sigma); return;}"
|
| 1351 |
" const float gsigma = sigma * GAUSSIAN_WF; \n"
|
| 1352 |
" const float2 win = abs(sigma.xx) * (SAMPLE_WF * GAUSSIAN_WF); \n"
|
| 1353 |
" const float2 dim = size.xy; \n"
|
| 1354 |
" const float dist_threshold = win.x*win.x+0.5; \n"
|
| 1355 |
" const float factor = -0.5/(gsigma*gsigma); \n"
|
| 1356 |
" float4 sz; float2 spos; \n"
|
| 1357 |
" //if(any(pos.xy <= 1)) discard; \n"
|
| 1358 |
" sz.xy = max( pos - win, float2(1,1)); \n"
|
| 1359 |
" sz.zw = min( pos + win, dim-2); \n"
|
| 1360 |
" sz = floor(sz)+0.5;";
|
| 1361 |
//loop to get the histogram
|
| 1362 |
|
| 1363 |
out<<"\n"
|
| 1364 |
" for(spos.y = sz.y; spos.y <= sz.w; spos.y+=1.0) \n"
|
| 1365 |
" { \n"
|
| 1366 |
" for(spos.x = sz.x; spos.x <= sz.z; spos.x+=1.0) \n"
|
| 1367 |
" { \n"
|
| 1368 |
" const float2 offset = spos - pos; \n"
|
| 1369 |
" const float sq_dist = dot(offset,offset); \n"
|
| 1370 |
" if( sq_dist < dist_threshold){ \n"
|
| 1371 |
" const float4 cc = texRECT(gradTex, spos); \n"
|
| 1372 |
" const float grad = cc.b; float theta = cc.a; \n"
|
| 1373 |
" float idx = floor(degrees(theta)*0.1); \n"
|
| 1374 |
" const float weight = grad*exp(sq_dist * factor); \n"
|
| 1375 |
" if(idx < 0 ) idx += 36; \n"
|
| 1376 |
" const float vidx = 4.0 * fract(idx * 0.25);//fmod(idx, 4); \n"
|
| 1377 |
" const float4 inc = weight*float4(vidx == float4(0,1,2,3)); ";
|
| 1378 |
|
| 1379 |
if(GlobalUtil::_UseDynamicIndexing && strcmp(cgGetProfileString(ProgramCG::_FProfile), "gp4fp")==0) |
| 1380 |
// if(ProgramCG::_FProfile == CG_PROFILE_GPU_FP) this enumerant is not defined in cg1.5
|
| 1381 |
{
|
| 1382 |
//gp_fp supports dynamic indexing
|
| 1383 |
out<<"\n"
|
| 1384 |
" int iidx = int(floor(idx*0.25)); \n"
|
| 1385 |
" bins[iidx]+=inc; \n"
|
| 1386 |
" } \n"
|
| 1387 |
" } \n"
|
| 1388 |
" }";
|
| 1389 |
|
| 1390 |
}else
|
| 1391 |
{
|
| 1392 |
//nvfp40 still does not support dynamic array indexing
|
| 1393 |
//unrolled binary search...
|
| 1394 |
out<<"\n"
|
| 1395 |
" if(idx < 16) \n"
|
| 1396 |
" { \n"
|
| 1397 |
" if(idx < 8) \n"
|
| 1398 |
" { \n"
|
| 1399 |
" if(idx < 4) { bins[0]+=inc;} \n"
|
| 1400 |
" else { bins[1]+=inc;} \n"
|
| 1401 |
" }else \n"
|
| 1402 |
" { \n"
|
| 1403 |
" if(idx < 12){ bins[2]+=inc;} \n"
|
| 1404 |
" else { bins[3]+=inc;} \n"
|
| 1405 |
" } \n"
|
| 1406 |
" }else if(idx < 32) \n"
|
| 1407 |
" { \n"
|
| 1408 |
" if(idx < 24) \n"
|
| 1409 |
" { \n"
|
| 1410 |
" if(idx <20) { bins[4]+=inc;} \n"
|
| 1411 |
" else { bins[5]+=inc;} \n"
|
| 1412 |
" }else \n"
|
| 1413 |
" { \n"
|
| 1414 |
" if(idx < 28){ bins[6]+=inc;} \n"
|
| 1415 |
" else { bins[7]+=inc;} \n"
|
| 1416 |
" } \n"
|
| 1417 |
" }else \n"
|
| 1418 |
" { \n"
|
| 1419 |
" bins[8]+=inc; \n"
|
| 1420 |
" } \n"
|
| 1421 |
" } \n"
|
| 1422 |
" } \n"
|
| 1423 |
" }";
|
| 1424 |
|
| 1425 |
} |
| 1426 |
|
| 1427 |
WriteOrientationCodeToStream(out); |
| 1428 |
|
| 1429 |
ProgramCG * program; |
| 1430 |
s_orientation = program = new ProgramCG(buffer);
|
| 1431 |
_param_orientation_gtex = cgGetNamedParameter(*program, "gradTex");
|
| 1432 |
_param_orientation_size = cgGetNamedParameter(*program, "size");
|
| 1433 |
_param_orientation_stex = cgGetNamedParameter(*program, "texS");
|
| 1434 |
} |
| 1435 |
|
| 1436 |
void ShaderBagCG::WriteOrientationCodeToStream(std::ostream& out)
|
| 1437 |
{
|
| 1438 |
//smooth histogram and find the largest
|
| 1439 |
/*
|
| 1440 |
smoothing kernel: (1 3 6 7 6 3 1 )/27
|
| 1441 |
the same as 3 pass of (1 1 1)/3 averaging
|
| 1442 |
maybe better to use 4 pass on the vectors...
|
| 1443 |
*/
|
| 1444 |
|
| 1445 |
|
| 1446 |
//the inner loop on different array numbers is always unrolled in fp40
|
| 1447 |
|
| 1448 |
//bug fixed here:)
|
| 1449 |
out<<"\n"
|
| 1450 |
" float3x3 mat1 = float3x3(1, 0, 0, 3, 1, 0, 6, 3, 1)/27.0;; //bug fix.. \n"
|
| 1451 |
" float4x4 mat2 = float4x4( 7, 6, 3, 1, 6, 7, 6, 3, 3, 6, 7, 6, 1, 3, 6, 7)/27.0;;\n"
|
| 1452 |
" for (int j=0; j<2; j++) \n"
|
| 1453 |
" { \n"
|
| 1454 |
" float4 prev = bins[8]; \n"
|
| 1455 |
" bins[9] = bins[0]; \n"
|
| 1456 |
" for (int i=0; i<9; i++) \n"
|
| 1457 |
" { \n"
|
| 1458 |
" float4 newb = mul ( bins[i], mat2); \n"
|
| 1459 |
" newb.xyz += mul ( prev.yzw, mat1); \n"
|
| 1460 |
" prev = bins[i]; \n"
|
| 1461 |
" newb.wzy += mul ( bins[i+1].zyx, mat1); \n"
|
| 1462 |
" bins[i] = newb; \n"
|
| 1463 |
" } \n"
|
| 1464 |
" }";
|
| 1465 |
|
| 1466 |
|
| 1467 |
//find the maximum voting
|
| 1468 |
out<<"\n"
|
| 1469 |
" float4 maxh; float2 maxh2; float4 maxh4 = bins[0]; \n"
|
| 1470 |
" for (int i=1; i<9; i++) maxh4 = max(maxh4, bins[i]); \n"
|
| 1471 |
" maxh2 = max(maxh4.xy, maxh4.zw); maxh = float4(max(maxh2.x, maxh2.y));";
|
| 1472 |
|
| 1473 |
char *testpeak_code;
|
| 1474 |
char *savepeak_code;
|
| 1475 |
|
| 1476 |
|
| 1477 |
|
| 1478 |
//save two/three/four orientations with the largest votings?
|
| 1479 |
|
| 1480 |
//
|
| 1481 |
if(GlobalUtil::_MaxOrientation>1) |
| 1482 |
{
|
| 1483 |
out<<"\n"
|
| 1484 |
" float4 Orientations = float4(0, 0, 0, 0); \n"
|
| 1485 |
" float4 weights = float4(0,0,0,0); ";
|
| 1486 |
|
| 1487 |
testpeak_code = "\n"
|
| 1488 |
" {test = bins[i]>hh;";
|
| 1489 |
|
| 1490 |
//save the orientations in weight-decreasing order
|
| 1491 |
if(GlobalUtil::_MaxOrientation ==2) |
| 1492 |
{
|
| 1493 |
savepeak_code = "\n"
|
| 1494 |
" if(weight <=weights.g){}\n"
|
| 1495 |
" else if(weight >weights.r)\n"
|
| 1496 |
" {weights.rg = float2(weight, weights.r); Orientations.rg = float2(th, Orientations.r);}\n"
|
| 1497 |
" else {weights.g = weight; Orientations.g = th;}";
|
| 1498 |
|
| 1499 |
}else if(GlobalUtil::_MaxOrientation ==3) |
| 1500 |
{
|
| 1501 |
savepeak_code = "\n"
|
| 1502 |
" if(weight <=weights.b){}\n"
|
| 1503 |
" else if(weight >weights.r)\n"
|
| 1504 |
" {weights.rgb = float3(weight, weights.rg); Orientations.rgb = float3(th, Orientations.rg);}\n"
|
| 1505 |
" else if(weight >weights.g)\n"
|
| 1506 |
" {weights.gb = float2(weight, weights.g); Orientations.gb = float2(th, Orientations.g);}\n"
|
| 1507 |
" else {weights.b = weight; Orientations.b = th;}";
|
| 1508 |
}else
|
| 1509 |
{
|
| 1510 |
savepeak_code = "\n"
|
| 1511 |
" if(weight <=weights.a){}\n"
|
| 1512 |
" else if(weight >weights.r)\n"
|
| 1513 |
" {weights = float4(weight, weights.rgb); Orientations = float4(th, Orientations.rgb);}\n"
|
| 1514 |
" else if(weight >weights.g)\n"
|
| 1515 |
" {weights.gba = float3(weight, weights.gb); Orientations.gba = float3(th, Orientations.gb);}\n"
|
| 1516 |
" else if(weight >weights.b)\n"
|
| 1517 |
" {weights.ba = float2(weight, weights.b); Orientations.ba = float2(th, Orientations.b);}\n"
|
| 1518 |
" else {weights.a = weight; Orientations.a = th;}";
|
| 1519 |
} |
| 1520 |
|
| 1521 |
}else
|
| 1522 |
{
|
| 1523 |
out<<"\n"
|
| 1524 |
" float Orientations = 0; ";
|
| 1525 |
testpeak_code ="\n"
|
| 1526 |
" if(npeaks==0){ \n"
|
| 1527 |
" test = (bins[i] >= maxh) ;";
|
| 1528 |
savepeak_code="\n"
|
| 1529 |
" npeaks++; \n"
|
| 1530 |
" Orientations = th.x;";
|
| 1531 |
|
| 1532 |
} |
| 1533 |
|
| 1534 |
//find the peaks
|
| 1535 |
//the following loop will be unrolled
|
| 1536 |
|
| 1537 |
out<<"\n"
|
| 1538 |
" const float4 hh = maxh * ORIENTATION_THRESHOLD; bool4 test; \n"
|
| 1539 |
" bins[9] = bins[0]; \n"
|
| 1540 |
" float npeaks = 0, k = 0; \n"
|
| 1541 |
" float prevb = bins[8].w; \n"
|
| 1542 |
" for (int i = 0; i <9 ; i++) \n"
|
| 1543 |
" {"
|
| 1544 |
<<testpeak_code<<" \n"
|
| 1545 |
" if( any ( test.xy || test.zw) ) \n"
|
| 1546 |
" { \n"
|
| 1547 |
" if(test.r && bins[i].x > prevb && bins[i].x > bins[i].y ) \n"
|
| 1548 |
" { \n"
|
| 1549 |
" float di = 0.5 * (bins[i].y-prevb) / (bins[i].x *2.0 -bins[i].y -prevb) ; \n"
|
| 1550 |
" float th = (k+di+0.5); float weight = bins[i].x;"
|
| 1551 |
<<savepeak_code<<"\n"
|
| 1552 |
" }\n"
|
| 1553 |
" else if(test.g && all( bins[i].yy > bins[i].xz) ) \n"
|
| 1554 |
" { \n"
|
| 1555 |
" float di = 0.5 * (bins[i].z-bins[i].x) / (bins[i].y * 2.0 - bins[i].z - bins[i].x) ; \n"
|
| 1556 |
" float th = (k+di+1.5); float weight = bins[i].y; "
|
| 1557 |
<<savepeak_code<<" \n"
|
| 1558 |
" }"
|
| 1559 |
<<"\n"
|
| 1560 |
" if(test.b && all( bins[i].zz > bins[i].yw) ) \n"
|
| 1561 |
" { \n"
|
| 1562 |
" float di = 0.5 * (bins[i].w-bins[i].y) / (bins[i].z * 2.0-bins[i].w-bins[i].y) ; \n"
|
| 1563 |
" float th = (k+di+2.5); float weight = bins[i].z; "
|
| 1564 |
<<savepeak_code<<" \n"
|
| 1565 |
" }\n"
|
| 1566 |
" else if(test.a && bins[i].w > bins[i].z && bins[i].w > bins[i+1].x ) \n"
|
| 1567 |
" { \n"
|
| 1568 |
" float di = 0.5 * (bins[i+1].x-bins[i].z) / (bins[i].w * 2.0- bins[i+1].x-bins[i].z) ; \n"
|
| 1569 |
" float th = (k+di+3.5); float weight = bins[i].w; "
|
| 1570 |
<<savepeak_code<<" \n"
|
| 1571 |
" }\n"
|
| 1572 |
" }}\n"
|
| 1573 |
" k = k + 4.0; \n"
|
| 1574 |
" prevb = bins[i].w;\n"
|
| 1575 |
" }";
|
| 1576 |
//WRITE output
|
| 1577 |
if(GlobalUtil::_OrientationPack2)
|
| 1578 |
{
|
| 1579 |
//pack two orientations in one float
|
| 1580 |
out<<"\n"
|
| 1581 |
" if(orientation_mode){\n"
|
| 1582 |
" Orientations.xy = frac(Orientations.xy / 36.0 + 1.0);\n"
|
| 1583 |
" if(weights.x <= 0) Orientations.x = 1.0;\n"
|
| 1584 |
" if(weights.y <= 0) Orientations.y = 1.0;\n"
|
| 1585 |
" float packed_orientation = pack_2ushort(Orientations.xy); \n"
|
| 1586 |
" FeatureData = float4(pos, packed_orientation, sigma);\n"
|
| 1587 |
" }else{\n"
|
| 1588 |
" FeatureData = float4(pos, radians((Orientations.x)*10.0), sigma);\n"
|
| 1589 |
" }\n";
|
| 1590 |
}else if(GlobalUtil::_MaxOrientation>1) |
| 1591 |
{
|
| 1592 |
out<<"\n"
|
| 1593 |
" if(orientation_mode){\n"
|
| 1594 |
" npeaks = dot(float4(1,1,"
|
| 1595 |
<<(GlobalUtil::_MaxOrientation>2 ? 1 : 0)<<"," |
| 1596 |
<<(GlobalUtil::_MaxOrientation >3? 1 : 0)<<"), float4(weights>hh));\n" |
| 1597 |
" OrientationData = radians((Orientations )*10.0);\n"
|
| 1598 |
" FeatureData = float4(pos, npeaks, sigma);\n"
|
| 1599 |
" }else{\n"
|
| 1600 |
" FeatureData = float4(pos, radians((Orientations.x)*10.0), sigma);\n"
|
| 1601 |
" }\n";
|
| 1602 |
}else
|
| 1603 |
{
|
| 1604 |
out<<"\n"
|
| 1605 |
" FeatureData = float4(pos, radians((Orientations.x)*10.0), sigma);";
|
| 1606 |
} |
| 1607 |
//end
|
| 1608 |
out<<"\n"
|
| 1609 |
"}\n"<<'\0'; |
| 1610 |
|
| 1611 |
|
| 1612 |
} |
| 1613 |
|
| 1614 |
void ShaderBagCG::SetSimpleOrientationInput(int oTex, float sigma, float sigma_step) |
| 1615 |
{
|
| 1616 |
cgGLSetTextureParameter(_param_orientation_gtex, oTex); |
| 1617 |
cgGLEnableTextureParameter(_param_orientation_gtex); |
| 1618 |
cgGLSetParameter1f(_param_orientation_size, sigma); |
| 1619 |
} |
| 1620 |
|
| 1621 |
void ShaderBagCG::SetFeatureOrientationParam(int gtex, int width, int height, float sigma, int stex, float step) |
| 1622 |
{
|
| 1623 |
///
|
| 1624 |
cgGLSetTextureParameter(_param_orientation_gtex, gtex); |
| 1625 |
cgGLEnableTextureParameter(_param_orientation_gtex); |
| 1626 |
|
| 1627 |
if((GlobalUtil::_SubpixelLocalization || GlobalUtil::_KeepExtremumSign)&& stex)
|
| 1628 |
{
|
| 1629 |
//specify texutre for subpixel subscale localization
|
| 1630 |
cgGLSetTextureParameter(_param_orientation_stex, stex); |
| 1631 |
cgGLEnableTextureParameter(_param_orientation_stex); |
| 1632 |
} |
| 1633 |
|
| 1634 |
float size[4]; |
| 1635 |
size[0] = (float)width; |
| 1636 |
size[1] = (float)height; |
| 1637 |
size[2] = sigma;
|
| 1638 |
size[3] = step;
|
| 1639 |
cgGLSetParameter4fv(_param_orientation_size, size); |
| 1640 |
|
| 1641 |
} |
| 1642 |
|
| 1643 |
void ShaderBagCG::SetFeatureDescirptorParam(int gtex, int otex, float dwidth, float fwidth, float width, float height, float sigma) |
| 1644 |
{
|
| 1645 |
///
|
| 1646 |
cgGLSetTextureParameter(_param_descriptor_gtex, gtex); |
| 1647 |
cgGLEnableTextureParameter(_param_descriptor_gtex); |
| 1648 |
|
| 1649 |
float dsize[4] ={dwidth, 1.0f/dwidth, fwidth, 1.0f/fwidth}; |
| 1650 |
cgGLSetParameter4fv(_param_descriptor_dsize, dsize); |
| 1651 |
float size[3]; |
| 1652 |
size[0] = width;
|
| 1653 |
size[1] = height;
|
| 1654 |
size[2] = GlobalUtil::_DescriptorWindowFactor;
|
| 1655 |
cgGLSetParameter3fv(_param_descriptor_size, size); |
| 1656 |
} |
| 1657 |
|
| 1658 |
|
| 1659 |
///////////////////////////////////////////////////////////////////////////////////
|
| 1660 |
/////////////////////////////////PACKED VERSION?///////////////////////////////////
|
| 1661 |
|
| 1662 |
ShaderBagPKCG::ShaderBagPKCG() |
| 1663 |
{
|
| 1664 |
ProgramCG::InitContext(); |
| 1665 |
} |
| 1666 |
|
| 1667 |
void ShaderBagPKCG::UnloadProgram()
|
| 1668 |
{
|
| 1669 |
|
| 1670 |
cgGLUnbindProgram(ProgramCG::_FProfile); |
| 1671 |
cgGLDisableProfile(ProgramCG::_FProfile); |
| 1672 |
} |
| 1673 |
|
| 1674 |
void ShaderBagPKCG::LoadFixedShaders()
|
| 1675 |
{
|
| 1676 |
ProgramCG * program; |
| 1677 |
|
| 1678 |
/*
|
| 1679 |
char *rgb2gray_packing_code =
|
| 1680 |
"void main(uniform samplerRECT rgbTex, in float4 TexCoord0 : TEXCOORD0, \n"
|
| 1681 |
" in float4 TexCoord1 : TEXCOORD1, in float4 TexCoord2 : TEXCOORD2, \n"
|
| 1682 |
" in float4 TexCoord3 : TEXCOORD3, out float4 FragData : COLOR0){\n"
|
| 1683 |
" const float3 weight = vec3(0.299, 0.587, 0.114);\n"
|
| 1684 |
" FragData.r = dot(weight, texRECT(rgbTex,TexCoord0.st ).rgb);\n"
|
| 1685 |
" FragData.g = dot(weight, texRECT(rgbTex,TexCoord1.st ).rgb);\n"
|
| 1686 |
" FragData.b = dot(weight, texRECT(rgbTex,TexCoord2.st ).rgb);\n"
|
| 1687 |
" FragData.a = dot(weight, texRECT(rgbTex,TexCoord3.st ).rgb);}";//
|
| 1688 |
s_gray = new ProgramCG( rgb2gray_packing_code);
|
| 1689 |
*/
|
| 1690 |
|
| 1691 |
s_gray = new ProgramCG(
|
| 1692 |
"void main(float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
|
| 1693 |
"float intensity = dot(float3(0.299, 0.587, 0.114), texRECT(tex,TexCoord0.xy ).rgb);\n"
|
| 1694 |
"FragColor= float4(intensity, intensity, intensity, 1.0);}" );
|
| 1695 |
|
| 1696 |
|
| 1697 |
s_sampling = new ProgramCG(
|
| 1698 |
"void main(uniform samplerRECT tex, in float4 TexCoord0 : TEXCOORD0, \n"
|
| 1699 |
" in float4 TexCoord1 : TEXCOORD1, in float4 TexCoord2 : TEXCOORD2, \n"
|
| 1700 |
" in float4 TexCoord3 : TEXCOORD3, out float4 FragData : COLOR0 ){\n"
|
| 1701 |
" FragData= float4( texRECT(tex,TexCoord0.st ).r,texRECT(tex,TexCoord1.st ).r,\n"
|
| 1702 |
" texRECT(tex,TexCoord2.st ).r,texRECT(tex,TexCoord3.st ).r);}" );
|
| 1703 |
|
| 1704 |
|
| 1705 |
s_margin_copy = program = new ProgramCG(
|
| 1706 |
"void main(in float4 texCoord0: TEXCOORD0, out float4 FragColor: COLOR0, \n"
|
| 1707 |
"uniform samplerRECT tex, uniform float4 truncate){\n"
|
| 1708 |
"float4 cc = texRECT(tex, min(texCoord0.xy, truncate.xy)); \n"
|
| 1709 |
"bool2 ob = texCoord0.xy < truncate.xy;\n"
|
| 1710 |
"if(ob.y) { FragColor = (truncate.z ==0 ? cc.rrbb : cc.ggaa); } \n"
|
| 1711 |
"else if(ob.x) {FragColor = (truncate.w <1.5 ? cc.rgrg : cc.baba);} \n"
|
| 1712 |
"else { float4 weights = float4(float4(0, 1, 2, 3) == truncate.w);\n"
|
| 1713 |
"float v = dot(weights, cc); FragColor = v.xxxx;}}");
|
| 1714 |
|
| 1715 |
_param_margin_copy_truncate = cgGetNamedParameter(*program, "truncate");
|
| 1716 |
|
| 1717 |
|
| 1718 |
s_zero_pass = new ProgramCG("void main(out float4 FragColor : COLOR0){FragColor = 0;}"); |
| 1719 |
|
| 1720 |
s_grad_pass = program = new ProgramCG(
|
| 1721 |
"void main (\n"
|
| 1722 |
"float4 TexCC : TEXCOORD0, float4 TexLC : TEXCOORD1,\n"
|
| 1723 |
"float4 TexRC : TEXCOORD2, float4 TexCD : TEXCOORD3, float4 TexCU : TEXCOORD4,\n"
|
| 1724 |
"out float4 FragData0 : COLOR0, out float4 FragData1 : COLOR1, \n"
|
| 1725 |
"out float4 FragData2 : COLOR2, uniform samplerRECT tex, uniform samplerRECT texp)\n"
|
| 1726 |
"{\n"
|
| 1727 |
" float4 v1, v2, gg;\n"
|
| 1728 |
" float4 cc = texRECT(tex, TexCC.xy);\n"
|
| 1729 |
" float4 cp = texRECT(texp, TexCC.xy);\n"
|
| 1730 |
" FragData0 = cc - cp; \n"
|
| 1731 |
" float4 cl = texRECT(tex, TexLC.xy); float4 cr = texRECT(tex, TexRC.xy);\n"
|
| 1732 |
" float4 cd = texRECT(tex, TexCD.xy); float4 cu = texRECT(tex, TexCU.xy);\n"
|
| 1733 |
" float4 dx = (float4(cr.rb, cc.ga) - float4(cc.rb, cl.ga)).zxwy;\n"
|
| 1734 |
" float4 dy = (float4(cu.rg, cc.ba) - float4(cc.rg, cd.ba)).zwxy;\n"
|
| 1735 |
" FragData1 = 0.5 * sqrt(dx*dx + dy * dy);\n"
|
| 1736 |
" FragData2 = FragData1 > 0? atan2(dy, dx) : float4(0);\n"
|
| 1737 |
"}\n\0");
|
| 1738 |
|
| 1739 |
_param_grad_pass_texp = cgGetNamedParameter(*program, "texp");
|
| 1740 |
|
| 1741 |
|
| 1742 |
s_dog_pass = program = new ProgramCG(
|
| 1743 |
"void main (float4 TexCC : TEXCOORD0, out float4 FragData0 : COLOR0, \n"
|
| 1744 |
" uniform samplerRECT tex, uniform samplerRECT texp)\n"
|
| 1745 |
"{\n"
|
| 1746 |
" float4 cc = texRECT(tex, TexCC.xy);\n"
|
| 1747 |
" float4 cp = texRECT(texp, TexCC.xy);\n"
|
| 1748 |
" FragData0 = cc - cp; \n"
|
| 1749 |
"}\n\0");
|
| 1750 |
|
| 1751 |
////
|
| 1752 |
if(GlobalUtil::_SupportFP40)
|
| 1753 |
{
|
| 1754 |
LoadOrientationShader(); |
| 1755 |
if(GlobalUtil::_DescriptorPPT) LoadDescriptorShader();
|
| 1756 |
}else
|
| 1757 |
{
|
| 1758 |
s_orientation = program = new ProgramCG(
|
| 1759 |
"void main(out float4 FragColor : COLOR0, \n"
|
| 1760 |
" uniform samplerRECT fTex, uniform samplerRECT oTex, \n"
|
| 1761 |
" uniform float2 size, \n"
|
| 1762 |
" in float2 tpos : TEXCOORD0){\n"
|
| 1763 |
" float4 cc = texRECT(fTex, tpos);\n"
|
| 1764 |
" float2 co = cc.xy * 0.5; \n"
|
| 1765 |
" float4 oo = texRECT(oTex, co);\n"
|
| 1766 |
" bool2 bo = frac(co) < 0.5; \n"
|
| 1767 |
" float o = bo.y? (bo.x? oo.r : oo.g) : (bo.x? oo.b : oo.a); \n"
|
| 1768 |
" FragColor = float4(cc.rg, o, size.x * pow(size.y, cc.a));}");
|
| 1769 |
_param_orientation_gtex= cgGetNamedParameter(*program, "oTex");
|
| 1770 |
_param_orientation_size= cgGetNamedParameter(*program, "size");
|
| 1771 |
|
| 1772 |
GlobalUtil::_FullSupported = 0;
|
| 1773 |
GlobalUtil::_MaxOrientation = 0;
|
| 1774 |
GlobalUtil::_DescriptorPPT = 0;
|
| 1775 |
std::cerr<<"Orientation simplified on this hardware"<<endl;
|
| 1776 |
std::cerr<<"Descriptor ignored on this hardware"<<endl;
|
| 1777 |
} |
| 1778 |
} |
| 1779 |
|
| 1780 |
void ShaderBagPKCG::LoadDisplayShaders()
|
| 1781 |
{
|
| 1782 |
ProgramCG * program; |
| 1783 |
|
| 1784 |
s_copy_key = new ProgramCG(
|
| 1785 |
"void main(in float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
|
| 1786 |
"FragColor.rg= texRECT(tex, TexCoord0.xy).rg; FragColor.ba = float2(0,1); }");
|
| 1787 |
|
| 1788 |
//shader used to write a vertex buffer object
|
| 1789 |
//which is used to draw the quads of each feature
|
| 1790 |
s_vertex_list = program = new ProgramCG(
|
| 1791 |
"void main(in float4 TexCoord0: TEXCOORD0,\n"
|
| 1792 |
"uniform float4 sizes, \n"
|
| 1793 |
"uniform samplerRECT tex, \n"
|
| 1794 |
"out float4 FragColor: COLOR0){\n"
|
| 1795 |
"float fwidth = sizes.y; \n"
|
| 1796 |
"float twidth = sizes.z; \n"
|
| 1797 |
"float rwidth = sizes.w; \n"
|
| 1798 |
"float index = 0.1*(fwidth*floor(TexCoord0.y) + TexCoord0.x);\n"
|
| 1799 |
"float px = fmod(index, twidth);\n"
|
| 1800 |
"float2 tpos= floor(float2(px, index*rwidth))+0.5;\n"
|
| 1801 |
"float4 cc = texRECT(tex, tpos );\n"
|
| 1802 |
"float size = 3.0f * cc.a;// sizes.x;// \n"
|
| 1803 |
"FragColor.zw = float2(0.0, 1.0);\n"
|
| 1804 |
"if(any(cc.xy <=0)) {FragColor.xy = cc.xy;}else \n"
|
| 1805 |
"{\n"
|
| 1806 |
" float type = frac(px);\n"
|
| 1807 |
" float2 dxy; float s, c;\n"
|
| 1808 |
" dxy.x = type < 0.1 ? 0 : ((type <0.5 || type > 0.9)? size : -size);\n"
|
| 1809 |
" dxy.y = type < 0.2 ? 0 : ((type < 0.3 || type > 0.7 )? -size :size); \n"
|
| 1810 |
" sincos(cc.b, s, c);\n"
|
| 1811 |
" FragColor.x = cc.x + c*dxy.x-s*dxy.y;\n"
|
| 1812 |
" FragColor.y = cc.y + c*dxy.y+s*dxy.x;}\n"
|
| 1813 |
"}\n\0");
|
| 1814 |
/*FragColor = float4(tpos, 0.0, 1.0);}\n\0");*/
|
| 1815 |
|
| 1816 |
_param_genvbo_size = cgGetNamedParameter(*program, "sizes");
|
| 1817 |
|
| 1818 |
s_display_gaussian = new ProgramCG(
|
| 1819 |
"void main(uniform samplerRECT tex, in float4 TexCoord0:TEXCOORD0, out float4 FragData: COLOR0 ){\n"
|
| 1820 |
"float4 pc = texRECT(tex, TexCoord0.xy); bool2 ff = (frac(TexCoord0.xy) < 0.5);\n"
|
| 1821 |
"float v = ff.y?(ff.x? pc.r : pc.g):(ff.x?pc.b:pc.a); FragData = float4(v.xxx, 1.0);}");
|
| 1822 |
|
| 1823 |
s_display_dog = new ProgramCG(
|
| 1824 |
"void main(in float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
|
| 1825 |
"float4 pc = texRECT(tex, TexCoord0.xy); bool2 ff = (frac(TexCoord0.xy) < 0.5);\n"
|
| 1826 |
"float v = ff.y ?(ff.x ? pc.r : pc.g):(ff.x ? pc.b : pc.a);float g = (0.5+20.0*v);\n"
|
| 1827 |
"FragColor = float4(g, g, g, 1.0);}" );
|
| 1828 |
|
| 1829 |
|
| 1830 |
s_display_grad = new ProgramCG(
|
| 1831 |
"void main(in float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
|
| 1832 |
"float4 pc = texRECT(tex, TexCoord0.xy); bool2 ff = (frac(TexCoord0.xy) < 0.5);\n"
|
| 1833 |
"float v = ff.y ?(ff.x ? pc.r : pc.g):(ff.x ? pc.b : pc.a); FragColor = float4(5.0 *v.xxx, 1.0); }");
|
| 1834 |
|
| 1835 |
s_display_keys= new ProgramCG(
|
| 1836 |
"void main(in float4 TexCoord0 : TEXCOORD0, out float4 FragColor : COLOR0, uniform samplerRECT tex){\n"
|
| 1837 |
"float4 oc = texRECT(tex, TexCoord0.xy); \n"
|
| 1838 |
"float4 cc = float4(abs(oc.r) == float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 1839 |
"bool2 ff = (frac(TexCoord0.xy) < 0.5);\n"
|
| 1840 |
"float v = ff.y ?(ff.x ? cc.r : cc.g):(ff.x ? cc.b : cc.a);\n"
|
| 1841 |
"if(oc.r == 0) discard;\n"
|
| 1842 |
"else if(oc.r > 0) FragColor = float4(1.0, 0, 0,1.0); \n"
|
| 1843 |
"else FragColor = float4(0.0,1.0,0.0,1.0); }" );
|
| 1844 |
} |
| 1845 |
|
| 1846 |
void ShaderBagPKCG::LoadGenListShader(int ndoglev, int nlev) |
| 1847 |
{
|
| 1848 |
|
| 1849 |
//the V2 algorithms are only slightly faster, but way more complicated
|
| 1850 |
//LoadGenListShaderV2(ndoglev, nlev); return;
|
| 1851 |
ProgramCG * program; |
| 1852 |
|
| 1853 |
s_genlist_init_tight = new ProgramCG(
|
| 1854 |
"void main (uniform samplerRECT tex, in float4 TexCoord0 : TEXCOORD0,\n"
|
| 1855 |
"in float4 TexCoord1 : TEXCOORD1, in float4 TexCoord2 : TEXCOORD2, \n"
|
| 1856 |
"in float4 TexCoord3 : TEXCOORD3, out float4 FragColor : COLOR0)\n"
|
| 1857 |
"{\n"
|
| 1858 |
" float4 data = float4( texRECT(tex, TexCoord0.xy).r,\n"
|
| 1859 |
" texRECT(tex, TexCoord1.xy).r,\n"
|
| 1860 |
" texRECT(tex, TexCoord2.xy).r,\n"
|
| 1861 |
" texRECT(tex, TexCoord3.xy).r);\n"
|
| 1862 |
" FragColor = float4(data != 0);\n"
|
| 1863 |
"}");
|
| 1864 |
|
| 1865 |
s_genlist_init_ex = program = new ProgramCG(
|
| 1866 |
"void main (uniform float4 bbox, uniform samplerRECT tex, \n"
|
| 1867 |
"in float4 TexCoord0 : TEXCOORD0, in float4 TexCoord1 : TEXCOORD1, \n"
|
| 1868 |
"in float4 TexCoord2 : TEXCOORD2, in float4 TexCoord3 : TEXCOORD3,\n"
|
| 1869 |
"out float4 FragColor : COLOR0)\n"
|
| 1870 |
"{\n"
|
| 1871 |
" bool4 helper1 = abs(texRECT(tex, TexCoord0.xy).r)== float4(1.0, 2.0, 3.0, 4.0); \n"
|
| 1872 |
" bool4 helper2 = abs(texRECT(tex, TexCoord1.xy).r)== float4(1.0, 2.0, 3.0, 4.0);\n"
|
| 1873 |
" bool4 helper3 = abs(texRECT(tex, TexCoord2.xy).r)== float4(1.0, 2.0, 3.0, 4.0);\n"
|
| 1874 |
" bool4 helper4 = abs(texRECT(tex, TexCoord3.xy).r)== float4(1.0, 2.0, 3.0, 4.0);\n"
|
| 1875 |
" bool4 bx1 = TexCoord0.xxyy < bbox; \n"
|
| 1876 |
" bool4 bx4 = TexCoord3.xxyy < bbox; \n"
|
| 1877 |
" bool4 bx2 = bool4(bx4.xy, bx1.zw); \n"
|
| 1878 |
" bool4 bx3 = bool4(bx1.xy, bx4.zw);\n"
|
| 1879 |
" helper1 = (bx1.xyxy && bx1.zzww && helper1);\n"
|
| 1880 |
" helper2 = (bx2.xyxy && bx2.zzww && helper2);\n"
|
| 1881 |
" helper3 = (bx3.xyxy && bx3.zzww && helper3);\n"
|
| 1882 |
" helper4 = (bx4.xyxy && bx4.zzww && helper4);\n"
|
| 1883 |
" FragColor.r = any(helper1.xy || helper1.zw); \n"
|
| 1884 |
" FragColor.g = any(helper2.xy || helper2.zw); \n"
|
| 1885 |
" FragColor.b = any(helper3.xy || helper3.zw); \n"
|
| 1886 |
" FragColor.a = any(helper4.xy || helper4.zw); \n"
|
| 1887 |
"}");
|
| 1888 |
_param_genlist_init_bbox = cgGetNamedParameter( *program, "bbox");
|
| 1889 |
|
| 1890 |
s_genlist_end = program = new ProgramCG(
|
| 1891 |
GlobalUtil::_KeepExtremumSign == 0 ?
|
| 1892 |
|
| 1893 |
"void main( uniform samplerRECT tex, uniform samplerRECT ktex,\n"
|
| 1894 |
" in float4 tpos : TEXCOORD0, out float4 FragColor : COLOR0)\n"
|
| 1895 |
"{\n"
|
| 1896 |
" float4 tc = texRECT( tex, tpos.xy);\n"
|
| 1897 |
" float2 pos = tc.rg; float index = tc.b;\n"
|
| 1898 |
" float4 tk = texRECT( ktex, pos); \n"
|
| 1899 |
" float4 keys = float4(abs(tk.x) == float4(1.0, 2.0, 3.0, 4.0)); \n"
|
| 1900 |
" float2 opos; \n"
|
| 1901 |
" opos.x = dot(keys, float4(-0.5, 0.5, -0.5, 0.5));\n"
|
| 1902 |
" opos.y = dot(keys, float4(-0.5, -0.5, 0.5, 0.5));\n"
|
| 1903 |
" FragColor = float4(opos + pos + pos + tk.yz, 1.0, tk.w);\n"
|
| 1904 |
"}" :
|
| 1905 |
|
| 1906 |
"void main( uniform samplerRECT tex, uniform samplerRECT ktex,\n"
|
| 1907 |
" in float4 tpos : TEXCOORD0, out float4 FragColor : COLOR0)\n"
|
| 1908 |
"{\n"
|
| 1909 |
" float4 tc = texRECT( tex, tpos.xy);\n"
|
| 1910 |
" float2 pos = tc.rg; float index = tc.b;\n"
|
| 1911 |
" float4 tk = texRECT( ktex, pos); \n"
|
| 1912 |
" float4 keys = float4(abs(tk.x) == float4(1.0, 2.0, 3.0, 4.0)); \n"
|
| 1913 |
" float2 opos; \n"
|
| 1914 |
" opos.x = dot(keys, float4(-0.5, 0.5, -0.5, 0.5));\n"
|
| 1915 |
" opos.y = dot(keys, float4(-0.5, -0.5, 0.5, 0.5));\n"
|
| 1916 |
" FragColor = float4(opos + pos + pos + tk.yz, sign(tk.x), tk.w);\n"
|
| 1917 |
"}"
|
| 1918 |
); |
| 1919 |
_param_genlist_end_ktex = cgGetNamedParameter(*program, "ktex");
|
| 1920 |
|
| 1921 |
//reduction ...
|
| 1922 |
s_genlist_histo = new ProgramCG(
|
| 1923 |
"void main (uniform samplerRECT tex, in float2 TexCoord0 : TEXCOORD0,\n"
|
| 1924 |
"in float2 TexCoord1 : TEXCOORD1, in float2 TexCoord2 : TEXCOORD2, \n"
|
| 1925 |
"in float2 TexCoord3 : TEXCOORD3, out float4 FragColor : COLOR0)\n"
|
| 1926 |
"{\n"
|
| 1927 |
" float4 helper; float4 helper2; \n"
|
| 1928 |
" helper = texRECT(tex, TexCoord0); helper2.xy = helper.xy + helper.zw; \n"
|
| 1929 |
" helper = texRECT(tex, TexCoord1); helper2.zw = helper.xy + helper.zw; \n"
|
| 1930 |
" FragColor.rg = helper2.xz + helper2.yw;\n"
|
| 1931 |
" helper = texRECT(tex, TexCoord2); helper2.xy = helper.xy + helper.zw; \n"
|
| 1932 |
" helper = texRECT(tex, TexCoord3); helper2.zw = helper.xy + helper.zw; \n"
|
| 1933 |
" FragColor.ba= helper2.xz+helper2.yw;\n"
|
| 1934 |
"}");
|
| 1935 |
|
| 1936 |
|
| 1937 |
//read of the first part, which generates tex coordinates
|
| 1938 |
|
| 1939 |
s_genlist_start= program = ShaderBagCG::LoadGenListStepShader(1, 1); |
| 1940 |
_param_ftex_width= cgGetNamedParameter(*program, "width");
|
| 1941 |
_param_genlist_start_tex0 = cgGetNamedParameter(*program, "tex0");
|
| 1942 |
//stepping
|
| 1943 |
s_genlist_step = program = ShaderBagCG::LoadGenListStepShader(0, 1); |
| 1944 |
_param_genlist_step_tex= cgGetNamedParameter(*program, "tex");
|
| 1945 |
_param_genlist_step_tex0= cgGetNamedParameter(*program, "tex0");
|
| 1946 |
|
| 1947 |
|
| 1948 |
} |
| 1949 |
|
| 1950 |
|
| 1951 |
|
| 1952 |
void ShaderBagPKCG::LoadGenListShaderV2(int ndoglev, int nlev) |
| 1953 |
{
|
| 1954 |
ProgramCG * program; |
| 1955 |
|
| 1956 |
s_genlist_init_tight = new ProgramCG(
|
| 1957 |
"void main (uniform samplerRECT tex, in float4 TexCoord0 : TEXCOORD0,\n"
|
| 1958 |
"in float4 TexCoord1 : TEXCOORD1, in float4 TexCoord2 : TEXCOORD2, \n"
|
| 1959 |
"in float4 TexCoord3 : TEXCOORD3, out float4 FragColor : COLOR0)\n"
|
| 1960 |
"{\n"
|
| 1961 |
" float4 data1 = texRECT(tex, TexCoord0.xy);\n"
|
| 1962 |
" float4 data2 = texRECT(tex, TexCoord1.xy);\n"
|
| 1963 |
" float4 data3 = texRECT(tex, TexCoord2.xy);\n"
|
| 1964 |
" float4 data4 = texRECT(tex, TexCoord3.xy);\n"
|
| 1965 |
" bool4 helper1 = (abs(data1.r), float4(1.0, 2.0, 3.0, 4.0)); \n"
|
| 1966 |
" bool4 helper2 = (abs(data2.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 1967 |
" bool4 helper3 = (abs(data3.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 1968 |
" bool4 helper4 = (abs(data4.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 1969 |
" FragColor.r = any(helper1.xy || helper1.zw); \n"
|
| 1970 |
" FragColor.g = any(helper2.xy || helper2.zw); \n"
|
| 1971 |
" FragColor.b = any(helper3.xy || helper3.zw); \n"
|
| 1972 |
" FragColor.a = any(helper4.xy || helper4.zw); \n"
|
| 1973 |
" if(dot(FragColor, float4(1,1,1,1)) == 1) \n"
|
| 1974 |
" {\n"
|
| 1975 |
" //use a special method if there is only one in the 16, \n"
|
| 1976 |
" float4 data, helper; float2 pos, opos; \n"
|
| 1977 |
" if(FragColor.r){ \n"
|
| 1978 |
" data = data1; helper = helper1; pos = TexCoord0.xy;\n"
|
| 1979 |
" }else if(FragColor.g){\n"
|
| 1980 |
" data = data2; helper = helper2; pos = TexCoord1.xy;\n"
|
| 1981 |
" }else if(FragColor.b){\n"
|
| 1982 |
" data = data3; helper = helper3; pos = TexCoord2.xy;\n"
|
| 1983 |
" }else{\n"
|
| 1984 |
" data = data4; helper = helper4; pos = TexCoord3.xy;\n"
|
| 1985 |
" }\n"
|
| 1986 |
" opos.x = dot(helper, float4(-0.5, 0.5, -0.5, 0.5));\n"
|
| 1987 |
" opos.y = dot(helper, float4(-0.5, -0.5, 0.5, 0.5));\n"
|
| 1988 |
" FragColor = float4( pos + pos + opos + data.yz, -1, data.w); \n"
|
| 1989 |
" }\n"
|
| 1990 |
"}");
|
| 1991 |
|
| 1992 |
s_genlist_init_ex = program = new ProgramCG(
|
| 1993 |
"void main (uniform float4 bbox, uniform samplerRECT tex, \n"
|
| 1994 |
"in float4 TexCoord0 : TEXCOORD0, in float4 TexCoord1 : TEXCOORD1, \n"
|
| 1995 |
"in float4 TexCoord2 : TEXCOORD2, in float4 TexCoord3 : TEXCOORD3,\n"
|
| 1996 |
"out float4 FragColor : COLOR0)\n"
|
| 1997 |
"{\n"
|
| 1998 |
" float4 data1 = texRECT(tex, TexCoord0.xy);\n"
|
| 1999 |
" float4 data2 = texRECT(tex, TexCoord1.xy);\n"
|
| 2000 |
" float4 data3 = texRECT(tex, TexCoord2.xy);\n"
|
| 2001 |
" float4 data4 = texRECT(tex, TexCoord3.xy);\n"
|
| 2002 |
" bool4 helper1 = (abs(data1.r), float4(1.0, 2.0, 3.0, 4.0)); \n"
|
| 2003 |
" bool4 helper2 = (abs(data2.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 2004 |
" bool4 helper3 = (abs(data3.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 2005 |
" bool4 helper4 = (abs(data4.r), float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 2006 |
" bool4 bx1 = TexCoord0.xxyy < bbox; \n"
|
| 2007 |
" bool4 bx4 = TexCoord3.xxyy < bbox; \n"
|
| 2008 |
" bool4 bx2 = bool4(bx4.xy, bx1.zw); \n"
|
| 2009 |
" bool4 bx3 = bool4(bx1.xy, bx4.zw);\n"
|
| 2010 |
" helper1 = bx1.xyxy && bx1.zzww && helper1; \n"
|
| 2011 |
" helper2 = bx2.xyxy && bx2.zzww && helper2; \n"
|
| 2012 |
" helper3 = bx3.xyxy && bx3.zzww && helper3; \n"
|
| 2013 |
" helper4 = bx4.xyxy && bx4.zzww && helper4; \n"
|
| 2014 |
" FragColor.r = any(helper1.xy || helper1.zw); \n"
|
| 2015 |
" FragColor.g = any(helper2.xy || helper2.zw); \n"
|
| 2016 |
" FragColor.b = any(helper3.xy || helper3.zw); \n"
|
| 2017 |
" FragColor.a = any(helper4.xy || helper4.zw); \n"
|
| 2018 |
" if(dot(FragColor, float4(1,1,1,1)) == 1) \n"
|
| 2019 |
" {\n"
|
| 2020 |
" //use a special method if there is only one in the 16, \n"
|
| 2021 |
" float4 data, helper; bool4 bhelper; float2 pos, opos; \n"
|
| 2022 |
" if(FragColor.r){ \n"
|
| 2023 |
" data = data1; bhelper = helper1; pos = TexCoord0.xy;\n"
|
| 2024 |
" }else if(FragColor.g){\n"
|
| 2025 |
" data = data2; bhelper = helper2; pos = TexCoord1.xy;\n"
|
| 2026 |
" }else if(FragColor.b){\n"
|
| 2027 |
" data = data3; bhelper = helper3; pos = TexCoord2.xy;\n"
|
| 2028 |
" }else{\n"
|
| 2029 |
" data = data4; bhelper = helper4; pos = TexCoord3.xy;\n"
|
| 2030 |
" }\n"
|
| 2031 |
" helper = float4(bhelper); \n"
|
| 2032 |
" opos.x = dot(helper, float4(-0.5, 0.5, -0.5, 0.5));\n"
|
| 2033 |
" opos.y = dot(helper, float4(-0.5, -0.5, 0.5, 0.5));\n"
|
| 2034 |
" FragColor = float4(pos + pos + opos + data.yz, -1, data.w); \n"
|
| 2035 |
" }\n"
|
| 2036 |
"}");
|
| 2037 |
_param_genlist_init_bbox = cgGetNamedParameter( *program, "bbox");
|
| 2038 |
|
| 2039 |
s_genlist_end = program = new ProgramCG(
|
| 2040 |
|
| 2041 |
"void main( uniform samplerRECT tex, uniform samplerRECT ktex,\n"
|
| 2042 |
" in float4 tpos : TEXCOORD0, out float4 FragColor : COLOR0)\n"
|
| 2043 |
"{\n"
|
| 2044 |
" float4 tc = texRECT( tex, tpos.xy);\n"
|
| 2045 |
" float2 pos = tc.rg; float index = tc.b;\n"
|
| 2046 |
" if(index == -1)\n"
|
| 2047 |
" {\n"
|
| 2048 |
" FragColor = float4(tc.xy, 0, tc.w);\n"
|
| 2049 |
" }else\n"
|
| 2050 |
" {\n"
|
| 2051 |
" float4 tk = texRECT( ktex, pos); \n"
|
| 2052 |
" float4 keys = float4(abs(tk.r) == float4(1.0, 2.0, 3.0, 4.0)); \n"
|
| 2053 |
" float2 opos; \n"
|
| 2054 |
" opos.x = dot(keys, float4(-0.5, 0.5, -0.5, 0.5));\n"
|
| 2055 |
" opos.y = dot(keys, float4(-0.5, -0.5, 0.5, 0.5));\n"
|
| 2056 |
" FragColor = float4(opos + pos + pos + tk.yz, 0, tk.w);\n"
|
| 2057 |
" }\n"
|
| 2058 |
"}");
|
| 2059 |
_param_genlist_end_ktex = cgGetNamedParameter(*program, "ktex");
|
| 2060 |
|
| 2061 |
//reduction ...
|
| 2062 |
s_genlist_histo = new ProgramCG(
|
| 2063 |
"void main (uniform samplerRECT tex, in float2 TexCoord0 : TEXCOORD0,\n"
|
| 2064 |
"in float2 TexCoord1 : TEXCOORD1, in float2 TexCoord2 : TEXCOORD2, \n"
|
| 2065 |
"in float2 TexCoord3 : TEXCOORD3, out float4 FragColor : COLOR0)\n"
|
| 2066 |
"{\n"
|
| 2067 |
" float4 helper[4]; float4 helper2; \n"
|
| 2068 |
" helper[0] = texRECT(tex, TexCoord0); helper2.xy = helper[0].xy + helper[0].zw; \n"
|
| 2069 |
" helper[1] = texRECT(tex, TexCoord1); helper2.zw = helper[1].xy + helper[1].zw; \n"
|
| 2070 |
" FragColor.rg = helper2.xz + helper2.yw;\n"
|
| 2071 |
" helper[2] = texRECT(tex, TexCoord2); helper2.xy = helper[2].xy + helper[2].zw; \n"
|
| 2072 |
" helper[3] = texRECT(tex, TexCoord3); helper2.zw = helper[3].xy + helper[3].zw; \n"
|
| 2073 |
" FragColor.ba= helper2.xz+helper2.yw;\n"
|
| 2074 |
" bool4 keyt = float4(helper[0].z, helper[1].z, helper[2].z, helper[3].z) == -1.0; \n"
|
| 2075 |
" float keyc = dot(float4(keyt), float4(1,1,1,1)); \n"
|
| 2076 |
" if(keyc == 1.0 && dot(FragColor, float4(1,1,1,1)) == -1.0) \n"
|
| 2077 |
" {\n"
|
| 2078 |
" if(keyt.x) FragColor = helper[0];\n"
|
| 2079 |
" else if(keyt.y) FragColor = helper[1]; \n"
|
| 2080 |
" else if(keyt.z) FragColor = helper[2]; \n"
|
| 2081 |
" else FragColor = helper[3]; \n"
|
| 2082 |
" }else\n"
|
| 2083 |
" {\n"
|
| 2084 |
" FragColor = keyt? float4(1,1,1,1) : FragColor;\n"
|
| 2085 |
" }\n"
|
| 2086 |
"}");
|
| 2087 |
|
| 2088 |
//read of the first part, which generates tex coordinates
|
| 2089 |
|
| 2090 |
s_genlist_start= program = ShaderBagCG::LoadGenListStepShaderV2(1, 1); |
| 2091 |
_param_ftex_width= cgGetNamedParameter(*program, "width");
|
| 2092 |
_param_genlist_start_tex0 = cgGetNamedParameter(*program, "tex0");
|
| 2093 |
//stepping
|
| 2094 |
s_genlist_step = program = ShaderBagCG::LoadGenListStepShaderV2(0, 1); |
| 2095 |
_param_genlist_step_tex= cgGetNamedParameter(*program, "tex");
|
| 2096 |
_param_genlist_step_tex0= cgGetNamedParameter(*program, "tex0");
|
| 2097 |
|
| 2098 |
|
| 2099 |
} |
| 2100 |
|
| 2101 |
|
| 2102 |
|
| 2103 |
ProgramCG* ShaderBagCG::LoadGenListStepShaderV2(int start, int step) |
| 2104 |
{
|
| 2105 |
int i;
|
| 2106 |
char buffer[10240]; |
| 2107 |
//char chanels[5] = "rgba";
|
| 2108 |
ostrstream out(buffer, 10240);
|
| 2109 |
out<<"void main(out float4 FragColor : COLOR0, \n";
|
| 2110 |
|
| 2111 |
for(i = 0; i < step; i++) out<<"uniform samplerRECT tex"<<i<<",\n"; |
| 2112 |
|
| 2113 |
if(start)
|
| 2114 |
{
|
| 2115 |
out<<"uniform float width, \nin float2 tpos : TEXCOORD0){\n";
|
| 2116 |
out<<"float index = floor(tpos.y) * width + floor(tpos.x);\n";
|
| 2117 |
out<<"float2 pos = float2(0.5, 0.5);\n";
|
| 2118 |
}else
|
| 2119 |
{
|
| 2120 |
out<<"uniform samplerRECT tex, in float2 tpos: TEXCOORD0 ){\n";
|
| 2121 |
out<<"float4 tc = texRECT( tex, tpos);\n";
|
| 2122 |
out<<"float2 pos = tc.rg; float index = tc.b;\n";
|
| 2123 |
out<<"if(index==-1) {FragColor = tc; return;}\n";
|
| 2124 |
} |
| 2125 |
out<<"float2 sum; float4 cc;\n";
|
| 2126 |
|
| 2127 |
|
| 2128 |
|
| 2129 |
if(step>0) |
| 2130 |
{
|
| 2131 |
out<<"float2 cpos = float2(-0.5, 0.5);\t float2 opos;\n";
|
| 2132 |
for(i = 0; i < step; i++) |
| 2133 |
{
|
| 2134 |
|
| 2135 |
out<<"cc = texRECT(tex"<<i<<", pos);\n"; |
| 2136 |
out<<"if(cc.z == -1){FragColor = cc; return;}";
|
| 2137 |
out<<"sum.x = cc.r + cc.g;if (index < sum.x){ if(index < cc.r) opos = cpos.xx; else {opos = cpos.yx; index -= cc.r;}}\n";
|
| 2138 |
out<<"else {index -= sum.x; if(index < cc.b) opos = cpos.xy; else{opos = cpos.yy; index -= cc.b;}}";
|
| 2139 |
out<<"pos = (pos + pos + opos);\n";
|
| 2140 |
} |
| 2141 |
} |
| 2142 |
out<<"FragColor = float4(pos, index, 1);\n";
|
| 2143 |
out<<"}\n"<<'\0'; |
| 2144 |
return new ProgramCG(buffer); |
| 2145 |
} |
| 2146 |
|
| 2147 |
|
| 2148 |
void ShaderBagPKCG:: LoadKeypointShader(float threshold, float edge_threshold) |
| 2149 |
{
|
| 2150 |
//
|
| 2151 |
ProgramCG * program; |
| 2152 |
char buffer[10240]; |
| 2153 |
float threshold0 = threshold* (GlobalUtil::_SubpixelLocalization?0.8f:1.0f); |
| 2154 |
float threshold1 = threshold;
|
| 2155 |
float threshold2 = (edge_threshold+1)*(edge_threshold+1)/edge_threshold; |
| 2156 |
ostrstream out(buffer, 10240);
|
| 2157 |
out<<setprecision(8);
|
| 2158 |
//tex(X)(Y)
|
| 2159 |
//X: (CLR) (CENTER 0, LEFT -1, RIGHT +1)
|
| 2160 |
//Y: (CDU) (CENTER 0, DOWN -1, UP +1)
|
| 2161 |
out << "#define THRESHOLD0 " << threshold0 << "\n" |
| 2162 |
"#define THRESHOLD1 " << threshold1 << "\n" |
| 2163 |
"#define THRESHOLD2 " << threshold2 << "\n"; |
| 2164 |
|
| 2165 |
out<< |
| 2166 |
"void main (\n"
|
| 2167 |
"float4 TexCC : TEXCOORD0, float4 TexLC : TEXCOORD1,\n"
|
| 2168 |
"float4 TexRC : TEXCOORD2, float4 TexCD : TEXCOORD3, \n"
|
| 2169 |
"float4 TexCU : TEXCOORD4, float4 TexLD : TEXCOORD5, \n"
|
| 2170 |
"float4 TexLU : TEXCOORD6, float4 TexRD : TEXCOORD7,\n"
|
| 2171 |
"out float4 FragData0 : COLOR0, uniform samplerRECT tex, \n"
|
| 2172 |
"uniform samplerRECT texU, uniform samplerRECT texD)\n"
|
| 2173 |
"{\n"
|
| 2174 |
" float2 TexRU = float2(TexRC.x, TexCU.y); \n"
|
| 2175 |
" float4 ccc = texRECT(tex, TexCC.xy);\n"
|
| 2176 |
" float4 clc = texRECT(tex, TexLC.xy);\n"
|
| 2177 |
" float4 crc = texRECT(tex, TexRC.xy);\n"
|
| 2178 |
" float4 ccd = texRECT(tex, TexCD.xy);\n"
|
| 2179 |
" float4 ccu = texRECT(tex, TexCU.xy);\n"
|
| 2180 |
" float4 cld = texRECT(tex, TexLD.xy);\n"
|
| 2181 |
" float4 clu = texRECT(tex, TexLU.xy);\n"
|
| 2182 |
" float4 crd = texRECT(tex, TexRD.xy);\n"
|
| 2183 |
" float4 cru = texRECT(tex, TexRU.xy);\n"
|
| 2184 |
" float4 cc = ccc;\n"
|
| 2185 |
" float4 v1[4], v2[4];\n"
|
| 2186 |
" v1[0] = float4(clc.g, ccc.g, ccd.b, ccc.b);\n"
|
| 2187 |
" v1[1] = float4(ccc.r, crc.r, ccd.a, ccc.a);\n"
|
| 2188 |
" v1[2] = float4(clc.a, ccc.a, ccc.r, ccu.r);\n"
|
| 2189 |
" v1[3] = float4(ccc.b, crc.b, ccc.g, ccu.g);\n"
|
| 2190 |
" v2[0] = float4(cld.a, clc.a, ccd.a, ccc.a);\n"
|
| 2191 |
" v2[1] = float4(ccd.b, ccc.b, crd.b, crc.b);\n"
|
| 2192 |
" v2[2] = float4(clc.g, clu.g, ccc.g, ccu.g);\n"
|
| 2193 |
" v2[3] = float4(ccc.r, ccu.r, crc.r, cru.r);\n"
|
| 2194 |
|
| 2195 |
//test against 8 neighbours
|
| 2196 |
//use variable to identify type of extremum
|
| 2197 |
//1.0 for local maximum and -1.0 for minimum
|
| 2198 |
<< |
| 2199 |
" float4 key ={0, 0, 0, 0}; \n"
|
| 2200 |
" for(int i = 0; i < 4; i++)\n"
|
| 2201 |
" {\n"
|
| 2202 |
" bool4 test1 = cc[i] > max(v1[i], v2[i]), test2 = cc[i] < min(v1[i], v2[i]);\n"
|
| 2203 |
" key[i] = cc[i] > THRESHOLD0 && all(test1.xy&&test1.zw)?1.0: 0.0;\n"
|
| 2204 |
" key[i] = cc[i] < -THRESHOLD0 && all(test2.xy&&test2.zw)? -1.0: key[i];\n"
|
| 2205 |
" }\n"
|
| 2206 |
" if(TexCC.x < 1.0) {key.rb = 0;}\n"
|
| 2207 |
" if(TexCC.y < 1.0) {key.rg = 0;}\n"
|
| 2208 |
" FragData0 = float4(0.0);\n"
|
| 2209 |
" if(all(key == 0.0)) return; \n";
|
| 2210 |
|
| 2211 |
//do edge supression first..
|
| 2212 |
//vector v1 is < (-1, 0), (1, 0), (0,-1), (0, 1)>
|
| 2213 |
//vector v2 is < (-1,-1), (-1,1), (1,-1), (1, 1)>
|
| 2214 |
|
| 2215 |
out<< |
| 2216 |
" float fxx[4], fyy[4], fxy[4], fx[4], fy[4];\n"
|
| 2217 |
" for(int i = 0; i < 4; i++) \n"
|
| 2218 |
" {\n"
|
| 2219 |
" if(key[i] != 0)\n"
|
| 2220 |
" {\n"
|
| 2221 |
" float4 D2 = v1[i].xyzw - cc[i];\n"
|
| 2222 |
" float2 D4 = v2[i].xw - v2[i].yz;\n"
|
| 2223 |
" float2 D5 = 0.5*(v1[i].yw-v1[i].xz); \n"
|
| 2224 |
" fx[i] = D5.x;\n"
|
| 2225 |
" fy[i] = D5.y ;\n"
|
| 2226 |
" fxx[i] = D2.x + D2.y;\n"
|
| 2227 |
" fyy[i] = D2.z + D2.w;\n"
|
| 2228 |
" fxy[i] = 0.25*(D4.x + D4.y);\n"
|
| 2229 |
" float fxx_plus_fyy = fxx[i] + fyy[i];\n"
|
| 2230 |
" float score_up = fxx_plus_fyy*fxx_plus_fyy; \n"
|
| 2231 |
" float score_down = (fxx[i]*fyy[i] - fxy[i]*fxy[i]);\n"
|
| 2232 |
" if( score_down <= 0 || score_up > THRESHOLD2 * score_down)key[i] = 0;\n"
|
| 2233 |
" }\n"
|
| 2234 |
" }\n"
|
| 2235 |
" if(all(key == 0.0)) return; \n\n";
|
| 2236 |
|
| 2237 |
////////////////////////////////////////////////
|
| 2238 |
//read 9 pixels of upper/lower level
|
| 2239 |
out<< |
| 2240 |
" float4 v4[4], v5[4], v6[4];\n"
|
| 2241 |
" ccc = texRECT(texU, TexCC.xy);\n"
|
| 2242 |
" clc = texRECT(texU, TexLC.xy);\n"
|
| 2243 |
" crc = texRECT(texU, TexRC.xy);\n"
|
| 2244 |
" ccd = texRECT(texU, TexCD.xy);\n"
|
| 2245 |
" ccu = texRECT(texU, TexCU.xy);\n"
|
| 2246 |
" cld = texRECT(texU, TexLD.xy);\n"
|
| 2247 |
" clu = texRECT(texU, TexLU.xy);\n"
|
| 2248 |
" crd = texRECT(texU, TexRD.xy);\n"
|
| 2249 |
" cru = texRECT(texU, TexRU.xy);\n"
|
| 2250 |
" float4 cu = ccc;\n"
|
| 2251 |
" v4[0] = float4(clc.g, ccc.g, ccd.b, ccc.b);\n"
|
| 2252 |
" v4[1] = float4(ccc.r, crc.r, ccd.a, ccc.a);\n"
|
| 2253 |
" v4[2] = float4(clc.a, ccc.a, ccc.r, ccu.r);\n"
|
| 2254 |
" v4[3] = float4(ccc.b, crc.b, ccc.g, ccu.g);\n"
|
| 2255 |
" v6[0] = float4(cld.a, clc.a, ccd.a, ccc.a);\n"
|
| 2256 |
" v6[1] = float4(ccd.b, ccc.b, crd.b, crc.b);\n"
|
| 2257 |
" v6[2] = float4(clc.g, clu.g, ccc.g, ccu.g);\n"
|
| 2258 |
" v6[3] = float4(ccc.r, ccu.r, crc.r, cru.r);\n"
|
| 2259 |
<< |
| 2260 |
" for(int i = 0; i < 4; i++)\n"
|
| 2261 |
" {\n"
|
| 2262 |
" if(key[i] == 1.0)\n"
|
| 2263 |
" {\n"
|
| 2264 |
" bool4 test = cc[i]< max(v4[i], v6[i]); \n"
|
| 2265 |
" if(cc[i] < cu[i] || any(test.xy||test.zw))key[i] = 0.0; \n"
|
| 2266 |
" }else if(key[i] == -1.0)\n"
|
| 2267 |
" {\n"
|
| 2268 |
" bool4 test = cc[i]> min( v4[i], v6[i]); \n"
|
| 2269 |
" if(cc[i] > cu[i] || any(test.xy||test.zw))key[i] = 0.0; \n"
|
| 2270 |
" }\n"
|
| 2271 |
" }\n"
|
| 2272 |
" if(all(key == 0.0)) return; \n"
|
| 2273 |
<< |
| 2274 |
" ccc = texRECT(texD, TexCC.xy);\n"
|
| 2275 |
" clc = texRECT(texD, TexLC.xy);\n"
|
| 2276 |
" crc = texRECT(texD, TexRC.xy);\n"
|
| 2277 |
" ccd = texRECT(texD, TexCD.xy);\n"
|
| 2278 |
" ccu = texRECT(texD, TexCU.xy);\n"
|
| 2279 |
" cld = texRECT(texD, TexLD.xy);\n"
|
| 2280 |
" clu = texRECT(texD, TexLU.xy);\n"
|
| 2281 |
" crd = texRECT(texD, TexRD.xy);\n"
|
| 2282 |
" cru = texRECT(texD, TexRU.xy);\n"
|
| 2283 |
" float4 cd = ccc;\n"
|
| 2284 |
" v5[0] = float4(clc.g, ccc.g, ccd.b, ccc.b);\n"
|
| 2285 |
" v5[1] = float4(ccc.r, crc.r, ccd.a, ccc.a);\n"
|
| 2286 |
" v5[2] = float4(clc.a, ccc.a, ccc.r, ccu.r);\n"
|
| 2287 |
" v5[3] = float4(ccc.b, crc.b, ccc.g, ccu.g);\n"
|
| 2288 |
" v6[0] = float4(cld.a, clc.a, ccd.a, ccc.a);\n"
|
| 2289 |
" v6[1] = float4(ccd.b, ccc.b, crd.b, crc.b);\n"
|
| 2290 |
" v6[2] = float4(clc.g, clu.g, ccc.g, ccu.g);\n"
|
| 2291 |
" v6[3] = float4(ccc.r, ccu.r, crc.r, cru.r);\n"
|
| 2292 |
<< |
| 2293 |
" for(int i = 0; i < 4; i++)\n"
|
| 2294 |
" {\n"
|
| 2295 |
" if(key[i] == 1.0)\n"
|
| 2296 |
" {\n"
|
| 2297 |
" bool4 test = cc[i]< max(v5[i], v6[i]);\n"
|
| 2298 |
" if(cc[i] < cd[i] || any(test.xy||test.zw))key[i] = 0.0; \n"
|
| 2299 |
" }else if(key[i] == -1.0)\n"
|
| 2300 |
" {\n"
|
| 2301 |
" bool4 test = cc[i]>min(v5[i],v6[i]);\n"
|
| 2302 |
" if(cc[i] > cd[i] || any(test.xy||test.zw))key[i] = 0.0; \n"
|
| 2303 |
" }\n"
|
| 2304 |
" }\n"
|
| 2305 |
" float keysum = dot(abs(key), float4(1, 1, 1, 1)) ;\n"
|
| 2306 |
" //assume there is only one keypoint in the four. \n"
|
| 2307 |
" if(keysum != 1.0) return; \n";
|
| 2308 |
|
| 2309 |
//////////////////////////////////////////////////////////////////////
|
| 2310 |
if(GlobalUtil::_SubpixelLocalization)
|
| 2311 |
|
| 2312 |
out << |
| 2313 |
" float3 offset = float3(0, 0, 0); \n"
|
| 2314 |
" /*The unrolled follwing loop is faster than a dynamic indexing version.*/\n"
|
| 2315 |
" for(int idx = 1; idx < 4; idx++)\n"
|
| 2316 |
" {\n"
|
| 2317 |
" if(key[idx] != 0) \n"
|
| 2318 |
" {\n"
|
| 2319 |
" cu[0] = cu[idx]; cd[0] = cd[idx]; cc[0] = cc[idx]; \n"
|
| 2320 |
" v4[0] = v4[idx]; v5[0] = v5[idx]; \n"
|
| 2321 |
" fxy[0] = fxy[idx]; fxx[0] = fxx[idx]; fyy[0] = fyy[idx]; \n"
|
| 2322 |
" fx[0] = fx[idx]; fy[0] = fy[idx]; \n"
|
| 2323 |
" }\n"
|
| 2324 |
" }\n"
|
| 2325 |
<< |
| 2326 |
|
| 2327 |
" float fs = 0.5*( cu[0] - cd[0] ); \n"
|
| 2328 |
" float fss = cu[0] + cd[0] - cc[0] - cc[0];\n"
|
| 2329 |
" float fxs = 0.25 * (v4[0].y + v5[0].x - v4[0].x - v5[0].y);\n"
|
| 2330 |
" float fys = 0.25 * (v4[0].w + v5[0].z - v4[0].z - v5[0].w);\n"
|
| 2331 |
" float4 A0, A1, A2 ; \n"
|
| 2332 |
" A0 = float4(fxx[0], fxy[0], fxs, -fx[0]); \n"
|
| 2333 |
" A1 = float4(fxy[0], fyy[0], fys, -fy[0]); \n"
|
| 2334 |
" A2 = float4(fxs, fys, fss, -fs); \n"
|
| 2335 |
" float3 x3 = abs(float3(fxx[0], fxy[0], fxs)); \n"
|
| 2336 |
" float maxa = max(max(x3.x, x3.y), x3.z); \n"
|
| 2337 |
" if(maxa >= 1e-10 ) \n"
|
| 2338 |
" { \n"
|
| 2339 |
" if(x3.y ==maxa ) \n"
|
| 2340 |
" { \n"
|
| 2341 |
" float4 TEMP = A1; A1 = A0; A0 = TEMP; \n"
|
| 2342 |
" }else if( x3.z == maxa ) \n"
|
| 2343 |
" { \n"
|
| 2344 |
" float4 TEMP = A2; A2 = A0; A0 = TEMP; \n"
|
| 2345 |
" } \n"
|
| 2346 |
" A0 /= A0.x; \n"
|
| 2347 |
" A1 -= A1.x * A0; \n"
|
| 2348 |
" A2 -= A2.x * A0; \n"
|
| 2349 |
" float2 x2 = abs(float2(A1.y, A2.y)); \n"
|
| 2350 |
" if( x2.y > x2.x ) \n"
|
| 2351 |
" { \n"
|
| 2352 |
" float3 TEMP = A2.yzw; \n"
|
| 2353 |
" A2.yzw = A1.yzw; \n"
|
| 2354 |
" A1.yzw = TEMP; \n"
|
| 2355 |
" x2.x = x2.y; \n"
|
| 2356 |
" } \n"
|
| 2357 |
" if(x2.x >= 1e-10) { \n"
|
| 2358 |
" A1.yzw /= A1.y; \n"
|
| 2359 |
" A2.yzw -= A2.y * A1.yzw; \n"
|
| 2360 |
" if(abs(A2.z) >= 1e-10) {\n"
|
| 2361 |
" offset.z = A2.w /A2.z; \n"
|
| 2362 |
" offset.y = A1.w - offset.z*A1.z; \n"
|
| 2363 |
" offset.x = A0.w - offset.z*A0.z - offset.y*A0.y; \n"
|
| 2364 |
" bool test = (abs(cc[0] + 0.5*dot(float3(fx[0], fy[0], fs), offset ))>THRESHOLD1) ;\n"
|
| 2365 |
" if(!test || any( abs(offset) >= 1.0)) return;\n"
|
| 2366 |
" }\n"
|
| 2367 |
" }\n"
|
| 2368 |
" }\n"
|
| 2369 |
<<"\n"
|
| 2370 |
" float keyv = dot(key, float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 2371 |
" FragData0 = float4(keyv, offset);\n"
|
| 2372 |
"}\n" <<'\0'; |
| 2373 |
|
| 2374 |
else out << "\n" |
| 2375 |
" float keyv = dot(key, float4(1.0, 2.0, 3.0, 4.0));\n"
|
| 2376 |
" FragData0 = float4(keyv, 0, 0, 0);\n"
|
| 2377 |
"}\n" <<'\0'; |
| 2378 |
|
| 2379 |
s_keypoint = program = new ProgramCG(buffer);
|
| 2380 |
//parameter
|
| 2381 |
_param_dog_texu = cgGetNamedParameter(*program, "texU");
|
| 2382 |
_param_dog_texd = cgGetNamedParameter(*program, "texD");
|
| 2383 |
} |
| 2384 |
|
| 2385 |
void ShaderBagPKCG::LoadOrientationShader()
|
| 2386 |
{
|
| 2387 |
char buffer[10240]; |
| 2388 |
ostrstream out(buffer,10240);
|
| 2389 |
|
| 2390 |
out<<"\n"
|
| 2391 |
"#define GAUSSIAN_WF "<<GlobalUtil::_OrientationGaussianFactor<<" \n" |
| 2392 |
"#define SAMPLE_WF ("<<GlobalUtil::_OrientationWindowFactor<< " )\n" |
| 2393 |
"#define ORIENTATION_THRESHOLD "<< GlobalUtil::_MulitiOrientationThreshold << "\n" |
| 2394 |
"void main(uniform samplerRECT tex, uniform samplerRECT gtex, \n"
|
| 2395 |
" uniform samplerRECT otex, uniform float4 size, in float2 TexCoord0 : TEXCOORD0, \n"
|
| 2396 |
" out float4 FeatureData : COLOR0 ";
|
| 2397 |
|
| 2398 |
//multi orientation output
|
| 2399 |
//use one additional texture to store up to four orientations
|
| 2400 |
//when we use one 32bit float to store two orientations, no extra texture is required
|
| 2401 |
|
| 2402 |
if(GlobalUtil::_MaxOrientation >1 && GlobalUtil::_OrientationPack2 == 0) |
| 2403 |
out<<", out float4 OrientationData : COLOR1";
|
| 2404 |
|
| 2405 |
|
| 2406 |
//use 9 float4 to store histogram of 36 directions
|
| 2407 |
out<<") \n"
|
| 2408 |
"{ \n"
|
| 2409 |
" float4 bins[10]; \n"
|
| 2410 |
" for (int i=0; i<9; i++) bins[i] = float4(0,0,0,0); \n"
|
| 2411 |
" float4 sift = texRECT(tex, TexCoord0); \n"
|
| 2412 |
" float2 pos = sift.xy; \n"
|
| 2413 |
" bool orientation_mode = (size.z != 0); \n"
|
| 2414 |
" float sigma = orientation_mode? (abs(size.z) * pow(size.w, sift.w) * sift.z) : (sift.w); \n"
|
| 2415 |
" //bool fixed_orientation = (size.z < 0); \n"
|
| 2416 |
" if(size.z < 0) {FeatureData = float4(pos, 0, sigma); return;}"
|
| 2417 |
" float gsigma = sigma * GAUSSIAN_WF; \n"
|
| 2418 |
" float2 win = abs(sigma.xx) * (SAMPLE_WF * GAUSSIAN_WF); \n"
|
| 2419 |
" float2 dim = size.xy; \n"
|
| 2420 |
" float4 dist_threshold = float4(win.x*win.x+0.5); \n"
|
| 2421 |
" float factor = -0.5/(gsigma*gsigma); \n"
|
| 2422 |
" float4 sz; float2 spos; \n"
|
| 2423 |
" //if(any(pos.xy <= 1)) discard; \n"
|
| 2424 |
" sz.xy = max( pos - win, float2(2,2)); \n"
|
| 2425 |
" sz.zw = min( pos + win, dim-3); \n"
|
| 2426 |
" sz = floor(sz*0.5) + 0.5; ";
|
| 2427 |
//loop to get the histogram
|
| 2428 |
|
| 2429 |
out<<"\n"
|
| 2430 |
" for(spos.y = sz.y; spos.y <= sz.w; spos.y+=1.0) \n"
|
| 2431 |
" { \n"
|
| 2432 |
" for(spos.x = sz.x; spos.x <= sz.z; spos.x+=1.0) \n"
|
| 2433 |
" { \n"
|
| 2434 |
" float2 offset = 2* spos - pos - 0.5; \n"
|
| 2435 |
" float4 off = float4(offset, offset + 1); \n"
|
| 2436 |
" float4 distsq = off.xzxz * off.xzxz + off.yyww * off.yyww; \n"
|
| 2437 |
" bool4 inside = distsq < dist_threshold; \n"
|
| 2438 |
" if(any(inside.xy||inside.zw)) \n"
|
| 2439 |
" { \n"
|
| 2440 |
" float4 gg = texRECT(gtex, spos); \n"
|
| 2441 |
" float4 oo = texRECT(otex, spos); \n"
|
| 2442 |
" float4 weight = gg * exp(distsq * factor); \n"
|
| 2443 |
" float4 idxv = floor(degrees(oo)*0.1); \n"
|
| 2444 |
" idxv = idxv<0? idxv + 36.0: idxv; \n"
|
| 2445 |
" float4 vidx = 4.0* fract(idxv * 0.25);//fmod(idxv, 4.0);\n";
|
| 2446 |
|
| 2447 |
//
|
| 2448 |
if(GlobalUtil::_UseDynamicIndexing && strcmp(cgGetProfileString(ProgramCG::_FProfile), "gp4fp")==0) |
| 2449 |
//if(ProgramCG::_FProfile == CG_PROFILE_GPU_FP) this enumerant is not defined in cg1.5
|
| 2450 |
{
|
| 2451 |
//gp4fp supports dynamic indexing, but it might be slow on some GPUs
|
| 2452 |
out<<"\n"
|
| 2453 |
" for(int i = 0 ; i < 4; i++)\n"
|
| 2454 |
" {\n"
|
| 2455 |
" if(inside[i])\n"
|
| 2456 |
" {\n"
|
| 2457 |
" float idx = idxv[i]; \n"
|
| 2458 |
" float4 inc = weight[i] * float4(vidx[i] == float4(0,1,2,3)); \n"
|
| 2459 |
" int iidx = int(floor(idx*0.25)); \n"
|
| 2460 |
" bins[iidx]+=inc; \n"
|
| 2461 |
" } \n"
|
| 2462 |
" } \n"
|
| 2463 |
" } \n"
|
| 2464 |
" } \n"
|
| 2465 |
" }";
|
| 2466 |
|
| 2467 |
}else
|
| 2468 |
{
|
| 2469 |
//nvfp40 still does not support dynamic array indexing
|
| 2470 |
//unrolled binary search
|
| 2471 |
//it seems to be faster than the dyanmic indexing version on some GPUs
|
| 2472 |
out<<"\n"
|
| 2473 |
" for(int i = 0 ; i < 4; i++)\n"
|
| 2474 |
" {\n"
|
| 2475 |
" if(inside[i])\n"
|
| 2476 |
" {\n"
|
| 2477 |
" float idx = idxv[i]; \n"
|
| 2478 |
" float4 inc = weight[i] * float4(vidx[i] == float4(0,1,2,3)); \n"
|
| 2479 |
" if(idx < 16) \n"
|
| 2480 |
" { \n"
|
| 2481 |
" if(idx < 8) \n"
|
| 2482 |
" { \n"
|
| 2483 |
" if(idx < 4) { bins[0]+=inc;} \n"
|
| 2484 |
" else { bins[1]+=inc;} \n"
|
| 2485 |
" }else \n"
|
| 2486 |
" { \n"
|
| 2487 |
" if(idx < 12){ bins[2]+=inc;} \n"
|
| 2488 |
" else { bins[3]+=inc;} \n"
|
| 2489 |
" } \n"
|
| 2490 |
" }else if(idx < 32) \n"
|
| 2491 |
" { \n"
|
| 2492 |
" if(idx < 24) \n"
|
| 2493 |
" { \n"
|
| 2494 |
" if(idx <20) { bins[4]+=inc;} \n"
|
| 2495 |
" else { bins[5]+=inc;} \n"
|
| 2496 |
" }else \n"
|
| 2497 |
" { \n"
|
| 2498 |
" if(idx < 28){ bins[6]+=inc;} \n"
|
| 2499 |
" else { bins[7]+=inc;} \n"
|
| 2500 |
" } \n"
|
| 2501 |
" }else \n"
|
| 2502 |
" { \n"
|
| 2503 |
" bins[8]+=inc; \n"
|
| 2504 |
" } \n"
|
| 2505 |
" } \n"
|
| 2506 |
" } \n"
|
| 2507 |
" } \n"
|
| 2508 |
" } \n"
|
| 2509 |
" }";
|
| 2510 |
|
| 2511 |
} |
| 2512 |
|
| 2513 |
//reuse the code from the unpacked version..
|
| 2514 |
ShaderBagCG::WriteOrientationCodeToStream(out); |
| 2515 |
|
| 2516 |
|
| 2517 |
ProgramCG * program; |
| 2518 |
s_orientation = program = new ProgramCG(buffer);
|
| 2519 |
_param_orientation_gtex = cgGetNamedParameter(*program, "gtex");
|
| 2520 |
_param_orientation_otex = cgGetNamedParameter(*program, "otex");
|
| 2521 |
_param_orientation_size = cgGetNamedParameter(*program, "size");
|
| 2522 |
|
| 2523 |
|
| 2524 |
} |
| 2525 |
|
| 2526 |
void ShaderBagPKCG::LoadDescriptorShader()
|
| 2527 |
{
|
| 2528 |
GlobalUtil::_DescriptorPPT = 16;
|
| 2529 |
LoadDescriptorShaderF2(); |
| 2530 |
|
| 2531 |
} |
| 2532 |
|
| 2533 |
void ShaderBagPKCG::LoadDescriptorShaderF2()
|
| 2534 |
{
|
| 2535 |
//one shader outpout 128/8 = 16 , each fragout encodes 4
|
| 2536 |
//const double twopi = 2.0*3.14159265358979323846;
|
| 2537 |
//const double rpi = 8.0/twopi;
|
| 2538 |
char buffer[10240]; |
| 2539 |
ostrstream out(buffer, 10240);
|
| 2540 |
|
| 2541 |
out<<setprecision(8);
|
| 2542 |
|
| 2543 |
out<<"\n"
|
| 2544 |
"#define M_PI 3.14159265358979323846\n"
|
| 2545 |
"#define TWO_PI (2.0*M_PI)\n"
|
| 2546 |
"#define RPI 1.2732395447351626861510701069801\n"
|
| 2547 |
"#define WF size.z\n"
|
| 2548 |
"void main(uniform samplerRECT tex, \n"
|
| 2549 |
"uniform samplerRECT gtex, \n"
|
| 2550 |
"uniform samplerRECT otex, \n"
|
| 2551 |
"uniform float4 dsize, \n"
|
| 2552 |
"uniform float3 size, \n"
|
| 2553 |
"in float2 TexCoord0 : TEXCOORD0, \n"
|
| 2554 |
"out float4 FragData0:COLOR0, \n"
|
| 2555 |
"out float4 FragData1:COLOR1) \n"
|
| 2556 |
"{\n"
|
| 2557 |
" float2 dim = size.xy; //image size \n"
|
| 2558 |
" float index = dsize.x*floor(TexCoord0.y * 0.5) + TexCoord0.x;\n"
|
| 2559 |
" float idx = 8.0 * frac(index * 0.125) + 8.0 * floor(2.0 * frac(TexCoord0.y * 0.5)); \n"
|
| 2560 |
" index = floor(index*0.125)+ 0.49; \n"
|
| 2561 |
" float2 coord = floor( float2( fmod(index, dsize.z), index*dsize.w)) + 0.5 ;\n"
|
| 2562 |
" float2 pos = texRECT(tex, coord).xy; \n"
|
| 2563 |
" if(any(pos.xy <= 1) || any(pos.xy >=dim-1)) "
|
| 2564 |
" //discard; \n"
|
| 2565 |
" { FragData0 = FragData1 = float4(0.0); return; }\n"
|
| 2566 |
" float anglef = texRECT(tex, coord).z;\n"
|
| 2567 |
" if(anglef > M_PI) anglef -= TWO_PI;\n"
|
| 2568 |
" float sigma = texRECT(tex, coord).w; \n"
|
| 2569 |
" float spt = abs(sigma * WF); //default to be 3*sigma \n";
|
| 2570 |
//rotation
|
| 2571 |
out<< |
| 2572 |
" float4 cscs, rots; \n"
|
| 2573 |
" sincos(anglef, cscs.y, cscs.x); \n"
|
| 2574 |
" cscs.zw = - cscs.xy; \n"
|
| 2575 |
" rots = cscs /spt; \n"
|
| 2576 |
" cscs *= spt; \n";
|
| 2577 |
|
| 2578 |
//here cscs is actually (cos, sin, -cos, -sin) * (factor: 3)*sigma
|
| 2579 |
//and rots is (cos, sin, -cos, -sin ) /(factor*sigma)
|
| 2580 |
//devide the 4x4 sift grid into 16 1x1 block, and each corresponds to a shader thread
|
| 2581 |
//To use linear interoplation, 1x1 is increased to 2x2, by adding 0.5 to each side
|
| 2582 |
out<< |
| 2583 |
" float4 temp; float2 pt, offsetpt; \n"
|
| 2584 |
" /*the fraction part of idx is .5*/ \n"
|
| 2585 |
" offsetpt.x = 4.0 * fract(idx * 0.25) - 2.0; \n"
|
| 2586 |
" offsetpt.y = floor(idx*0.25) - 1.5; \n"
|
| 2587 |
" temp = cscs.xwyx*offsetpt.xyxy; \n"
|
| 2588 |
" pt = pos + temp.xz + temp.yw; \n";
|
| 2589 |
|
| 2590 |
//get a horizontal bounding box of the rotated rectangle
|
| 2591 |
out<< |
| 2592 |
" float2 bwin = abs(cscs.xy); \n"
|
| 2593 |
" float bsz = bwin.x + bwin.y; \n"
|
| 2594 |
" float4 sz; float2 spos; \n"
|
| 2595 |
" sz.xy = max(pt - bsz, float2(2,2));\n"
|
| 2596 |
" sz.zw = min(pt + bsz, dim - 3); \n"
|
| 2597 |
" sz = floor(sz * 0.5) + 0.5;"; //move sample point to pixel center |
| 2598 |
//get voting for two box
|
| 2599 |
|
| 2600 |
out<<"\n"
|
| 2601 |
" float4 DA, DB; \n"
|
| 2602 |
" DA = DB = float4(0, 0, 0, 0); \n"
|
| 2603 |
" float4 nox = float4(0, rots.xy, rots.x + rots.y); \n"
|
| 2604 |
" float4 noy = float4(0, rots.wx, rots.w + rots.x); \n"
|
| 2605 |
" for(spos.y = sz.y; spos.y <= sz.w; spos.y+=1.0) \n"
|
| 2606 |
" { \n"
|
| 2607 |
" for(spos.x = sz.x; spos.x <= sz.z; spos.x+=1.0) \n"
|
| 2608 |
" { \n"
|
| 2609 |
" float2 tpt = spos * 2.0 - pt - 0.5; \n"
|
| 2610 |
" float4 temp = rots.xywx * tpt.xyxy; \n"
|
| 2611 |
" float2 temp2 = temp.xz + temp.yw; \n"
|
| 2612 |
" float4 nx = temp2.x + nox; \n"
|
| 2613 |
" float4 ny = temp2.y + noy; \n"
|
| 2614 |
" float4 nxn = abs(nx), nyn = abs(ny); \n"
|
| 2615 |
" bool4 inside = (max(nxn, nyn) < 1.0); \n"
|
| 2616 |
" if(any(inside.xy || inside.zw))\n"
|
| 2617 |
" {\n"
|
| 2618 |
" float4 gg = texRECT(gtex, spos);\n"
|
| 2619 |
" float4 oo = texRECT(otex, spos);\n"
|
| 2620 |
" float4 theta0 = (anglef - oo)*RPI;\n"
|
| 2621 |
" float4 theta = theta0 < 0? theta0 + 8.0 : theta0;//8.0 * frac(1.0 + 0.125 * theta0);// \n"
|
| 2622 |
" float4 theta1 = floor(theta); \n"
|
| 2623 |
" float4 diffx = nx + offsetpt.x, diffy = ny + offsetpt.y; \n"
|
| 2624 |
" float4 ww = exp(-0.125 * (diffx * diffx + diffy * diffy )); \n"
|
| 2625 |
" float4 weight = (1 - nxn) * (1 - nyn) * gg * ww; \n"
|
| 2626 |
" float4 weight2 = (theta - theta1) * weight; \n"
|
| 2627 |
" float4 weight1 = weight - weight2; \n"
|
| 2628 |
" for(int i = 0;i < 4; i++)\n"
|
| 2629 |
" {\n"
|
| 2630 |
" if(inside[i])\n"
|
| 2631 |
" {\n"
|
| 2632 |
" DA += float4(theta1[i] == float4(0, 1, 2, 3))*weight1[i]; \n"
|
| 2633 |
" DA += float4(theta1[i] == float4(7, 0, 1, 2))*weight2[i]; \n"
|
| 2634 |
" DB += float4(theta1[i] == float4(4, 5, 6, 7))*weight1[i]; \n"
|
| 2635 |
" DB += float4(theta1[i] == float4(3, 4, 5, 6))*weight2[i]; \n"
|
| 2636 |
" }\n"
|
| 2637 |
" }\n"
|
| 2638 |
" }\n"
|
| 2639 |
" }\n"
|
| 2640 |
" }\n";
|
| 2641 |
out<< |
| 2642 |
" FragData0 = DA; FragData1 = DB;\n"
|
| 2643 |
"}\n"<<'\0'; |
| 2644 |
ProgramCG * program; |
| 2645 |
|
| 2646 |
s_descriptor_fp = program = new ProgramCG(buffer);
|
| 2647 |
_param_descriptor_gtex = cgGetNamedParameter(*program, "gtex");
|
| 2648 |
_param_descriptor_otex = cgGetNamedParameter(*program, "otex");
|
| 2649 |
_param_descriptor_size = cgGetNamedParameter(*program, "size");
|
| 2650 |
_param_descriptor_dsize = cgGetNamedParameter(*program, "dsize");
|
| 2651 |
|
| 2652 |
} |
| 2653 |
|
| 2654 |
void ShaderBagPKCG::SetMarginCopyParam(int xmax, int ymax) |
| 2655 |
{
|
| 2656 |
float truncate[4]; |
| 2657 |
truncate[0] = (xmax - 0.5f) * 0.5f; //((xmax + 1) >> 1) - 0.5f; |
| 2658 |
truncate[1] = (ymax - 0.5f) * 0.5f; //((ymax + 1) >> 1) - 0.5f; |
| 2659 |
truncate[2] = (xmax %2 == 1)? 0.0f: 1.0f; |
| 2660 |
truncate[3] = truncate[2] + (((ymax % 2) == 1)? 0.0f : 2.0f); |
| 2661 |
cgGLSetParameter4fv(_param_margin_copy_truncate, truncate); |
| 2662 |
} |
| 2663 |
|
| 2664 |
void ShaderBagPKCG::SetGradPassParam(int texP) |
| 2665 |
{
|
| 2666 |
cgGLSetTextureParameter(_param_grad_pass_texp, texP); |
| 2667 |
cgGLEnableTextureParameter(_param_grad_pass_texp); |
| 2668 |
} |
| 2669 |
|
| 2670 |
void ShaderBagPKCG::SetGenListEndParam(int ktex) |
| 2671 |
{
|
| 2672 |
cgGLSetTextureParameter(_param_genlist_end_ktex, ktex); |
| 2673 |
cgGLEnableTextureParameter(_param_genlist_end_ktex); |
| 2674 |
} |
| 2675 |
|
| 2676 |
void ShaderBagPKCG::SetDogTexParam(int texU, int texD) |
| 2677 |
{
|
| 2678 |
cgGLSetTextureParameter(_param_dog_texu, texU); |
| 2679 |
cgGLEnableTextureParameter(_param_dog_texu); |
| 2680 |
cgGLSetTextureParameter(_param_dog_texd, texD); |
| 2681 |
cgGLEnableTextureParameter(_param_dog_texd); |
| 2682 |
} |
| 2683 |
|
| 2684 |
void ShaderBagPKCG::SetGenListInitParam(int w, int h) |
| 2685 |
{
|
| 2686 |
float bbox[4] = {(w -1.0f) * 0.5f +0.25f, (w-1.0f) * 0.5f - 0.25f, (h - 1.0f) * 0.5f + 0.25f, (h-1.0f) * 0.5f - 0.25f}; |
| 2687 |
cgGLSetParameter4fv(_param_genlist_init_bbox, bbox); |
| 2688 |
} |
| 2689 |
|
| 2690 |
|
| 2691 |
void ShaderBagPKCG::SetGenListStartParam(float width, int tex0) |
| 2692 |
{
|
| 2693 |
cgGLSetParameter1f(_param_ftex_width, width); |
| 2694 |
|
| 2695 |
if(_param_genlist_start_tex0)
|
| 2696 |
{
|
| 2697 |
cgGLSetTextureParameter(_param_genlist_start_tex0, tex0); |
| 2698 |
cgGLEnableTextureParameter(_param_genlist_start_tex0); |
| 2699 |
} |
| 2700 |
} |
| 2701 |
|
| 2702 |
|
| 2703 |
|
| 2704 |
void ShaderBagPKCG::SetGenListStepParam(int tex, int tex0) |
| 2705 |
{
|
| 2706 |
cgGLSetTextureParameter(_param_genlist_step_tex, tex); |
| 2707 |
cgGLEnableTextureParameter(_param_genlist_step_tex); |
| 2708 |
cgGLSetTextureParameter(_param_genlist_step_tex0, tex0); |
| 2709 |
cgGLEnableTextureParameter(_param_genlist_step_tex0); |
| 2710 |
} |
| 2711 |
|
| 2712 |
void ShaderBagPKCG::SetGenVBOParam(float width, float fwidth, float size) |
| 2713 |
{
|
| 2714 |
float sizes[4] = {size*3.0f, fwidth, width, 1.0f/width}; |
| 2715 |
cgGLSetParameter4fv(_param_genvbo_size, sizes); |
| 2716 |
} |
| 2717 |
|
| 2718 |
void ShaderBagPKCG::SetSimpleOrientationInput(int oTex, float sigma, float sigma_step) |
| 2719 |
{
|
| 2720 |
cgGLSetTextureParameter(_param_orientation_gtex, oTex); |
| 2721 |
cgGLEnableTextureParameter(_param_orientation_gtex); |
| 2722 |
cgGLSetParameter2f(_param_orientation_size, sigma, sigma_step); |
| 2723 |
} |
| 2724 |
|
| 2725 |
|
| 2726 |
void ShaderBagPKCG::SetFeatureOrientationParam(int gtex, int width, int height, float sigma, int otex, float step) |
| 2727 |
{
|
| 2728 |
///
|
| 2729 |
cgGLSetTextureParameter(_param_orientation_gtex, gtex); |
| 2730 |
cgGLEnableTextureParameter(_param_orientation_gtex); |
| 2731 |
cgGLSetTextureParameter(_param_orientation_otex, otex); |
| 2732 |
cgGLEnableTextureParameter(_param_orientation_otex); |
| 2733 |
|
| 2734 |
float size[4]; |
| 2735 |
size[0] = (float)width; |
| 2736 |
size[1] = (float)height; |
| 2737 |
size[2] = sigma;
|
| 2738 |
size[3] = step;
|
| 2739 |
cgGLSetParameter4fv(_param_orientation_size, size); |
| 2740 |
|
| 2741 |
} |
| 2742 |
|
| 2743 |
void ShaderBagPKCG::SetFeatureDescirptorParam(int gtex, int otex, float dwidth, float fwidth, float width, float height, float sigma) |
| 2744 |
{
|
| 2745 |
///
|
| 2746 |
|
| 2747 |
cgGLSetTextureParameter(_param_descriptor_gtex, gtex); |
| 2748 |
cgGLEnableTextureParameter(_param_descriptor_gtex); |
| 2749 |
cgGLSetTextureParameter(_param_descriptor_otex, otex); |
| 2750 |
cgGLEnableTextureParameter(_param_descriptor_otex); |
| 2751 |
|
| 2752 |
|
| 2753 |
float dsize[4] ={dwidth, 1.0f/dwidth, fwidth, 1.0f/fwidth}; |
| 2754 |
cgGLSetParameter4fv(_param_descriptor_dsize, dsize); |
| 2755 |
float size[3]; |
| 2756 |
size[0] = width;
|
| 2757 |
size[1] = height;
|
| 2758 |
size[2] = GlobalUtil::_DescriptorWindowFactor;
|
| 2759 |
cgGLSetParameter3fv(_param_descriptor_size, size); |
| 2760 |
|
| 2761 |
|
| 2762 |
} |
| 2763 |
|
| 2764 |
#endif
|
| 2765 |
|