BizHawk/libmupen64plus/mupen64plus-video-rice/src/OGLES2FragmentShaders.cpp

823 lines
28 KiB
C++

/*
Copyright (C) 2003 Rice1964
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "OGLDebug.h"
#include "OGLES2FragmentShaders.h"
#include "OGLRender.h"
#include "OGLGraphicsContext.h"
#include "OGLTexture.h"
#define ALPHA_TEST " if(gl_FragColor.a < AlphaRef) discard; \n"
//#define ALPHA_TEST
GLuint vertexProgram = 9999;
const char *vertexShader =
"#version " GLSL_VERSION "\n"
"attribute mediump vec4 aPosition; \n"\
"attribute lowp vec4 aColor; \n"\
"attribute lowp vec2 aTexCoord0; \n"\
"attribute lowp vec2 aTexCoord1; \n"\
"attribute lowp vec2 aAtlasTransform; \n"\
" \n"\
"uniform lowp vec2 FogMinMax; \n"\
" \n"\
"varying lowp float vFactor; \n"\
"varying lowp vec4 vShadeColor; \n"\
"varying mediump vec2 vTexCoord0; \n"\
"varying lowp vec2 vTexCoord1; \n"\
"varying lowp float vFog; \n"\
" \n"\
"void main() \n"\
"{ \n"\
"gl_Position = aPosition; //gl_Position.z = max(0.0,gl_Position.z); \n"\
"vShadeColor = aColor; \n"\
"vTexCoord0 = aTexCoord0; \n"\
"vTexCoord1 = aTexCoord1; \n"\
"vFog = clamp((FogMinMax[1] - (gl_Position.z/aPosition.w))/(FogMinMax[1]-FogMinMax[0]),0.0,1.0); \n"\
" \n"\
"} \n"\
" \n";
const char *fragmentHeader =
"#define saturate(x) clamp( x, 0.0, 1.0 ) \n"\
"precision lowp float; \n"\
"#ifdef NEED_TEX0 \n"\
"uniform sampler2D uTex0; \n"\
"#endif \n"\
" \n"\
"#ifdef NEED_TEX1 \n"\
"uniform sampler2D uTex1; \n"\
"#endif \n"\
" \n"\
"uniform vec4 EnvColor; \n"\
"uniform vec4 PrimColor; \n"\
"uniform vec4 EnvFrac; \n"\
"uniform vec4 PrimFrac; \n"\
"uniform float AlphaRef; \n"\
"uniform vec4 FogColor; \n"\
" \n"\
"varying lowp float vFactor; \n"\
"varying lowp vec4 vShadeColor; \n"\
"varying mediump vec2 vTexCoord0; \n"\
"varying lowp vec2 vTexCoord1; \n"\
"varying lowp float vFog; \n"\
" \n"\
"void main() \n"\
"{ \n"\
"vec4 comb,comb2; \n"\
" \n"\
"#ifdef NEED_TEX0 \n"\
"vec4 t0 = texture2D(uTex0,vTexCoord0); \n"\
"#endif \n"\
" \n"\
"#ifdef NEED_TEX1 \n"\
"vec4 t1 = texture2D(uTex1,vTexCoord1); \n"\
"#endif \n";
const char *fragmentFooter =
" \n"\
"#ifdef FOG \n"\
"gl_FragColor.rgb = mix(FogColor.rgb,comb.rgb,vFog * step(0.5,1.0-FogColor.a)); \n"\
"gl_FragColor.a = comb.a; \n"\
"#else \n"\
"gl_FragColor = comb; \n"\
"#endif \n"\
" \n"\
"#ifdef ALPHA_TEST \n"\
ALPHA_TEST
"#endif \n"\
" \n"\
" \n"\
" \n"\
" \n"\
"} \n";
//Fragment shader for InitCycleCopy
const char *fragmentCopy =
"#version " GLSL_VERSION "\n"\
"precision lowp float; \n"\
"uniform sampler2D uTex0; \n"\
"uniform float AlphaRef; \n"\
"varying lowp vec2 vTexCoord0; \n"\
"void main() \n"\
"{ \n"\
" gl_FragColor = texture2D(uTex0,vTexCoord0).bgra; \n"\
ALPHA_TEST
"}";
GLuint copyProgram,copyAlphaLocation;
//Fragment shader for InitCycleFill
const char *fragmentFill =
"#version " GLSL_VERSION "\n"\
"precision lowp float; \n"
"uniform vec4 uColor; \n"
"void main() \n"
"{ \n"
" gl_FragColor = uColor; \n"
"}";
GLuint fillProgram,fillColorLocation;
COGLFragmentShaderCombiner::COGLFragmentShaderCombiner(CRender *pRender)
: COGLColorCombiner(pRender)
{
m_bShaderIsSupported = true;
}
COGLFragmentShaderCombiner::~COGLFragmentShaderCombiner()
{
}
bool COGLFragmentShaderCombiner::Initialize(void)
{
if( !COGLColorCombiner::Initialize() )
return false;
COGLGraphicsContext *pcontext = (COGLGraphicsContext *)(CGraphicsContext::g_pGraphicsContext);
// if( pcontext->IsExtensionSupported("GL_fragment_shader") )
// {
m_bShaderIsSupported = true;
// }
return true;
}
void COGLFragmentShaderCombiner::InitCombinerCycle12(void)
{
}
void COGLFragmentShaderCombiner::DisableCombiner(void)
{
COGLColorCombiner::DisableCombiner();
}
void COGLFragmentShaderCombiner::InitCombinerCycleCopy(void)
{
COGLColorCombiner::InitCombinerCycleCopy();
}
void COGLFragmentShaderCombiner::InitCombinerCycleFill(void)
{
COGLColorCombiner::InitCombinerCycleFill();
}
void COGLFragmentShaderCombiner::InitCombinerBlenderForSimpleTextureDraw(uint32 tile)
{
COGLColorCombiner::InitCombinerBlenderForSimpleTextureDraw(tile);
}
#ifdef DEBUGGER
void COGLFragmentShaderCombiner::DisplaySimpleMuxString(void)
{
COGLColorCombiner::DisplaySimpleMuxString();
}
#endif
COGL_FragmentProgramCombiner::COGL_FragmentProgramCombiner(CRender *pRender)
: COGLColorCombiner4(pRender)
{
delete m_pDecodedMux;
m_pDecodedMux = new DecodedMuxForPixelShader;
m_bFragmentProgramIsSupported = true;
m_AlphaRef = 0.0f;
//Create shaders for fill and copy
GLint success;
GLuint vs,fs;
copyProgram = glCreateProgram();
vs = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vs,1,&vertexShader,NULL);
glCompileShader(vs);
glGetShaderiv(vs,GL_COMPILE_STATUS,&success);
if(!success)
{
char log[1024];
glGetShaderInfoLog(vs,1024,NULL,log);
printf("%s\n",log);
}
fs = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fs,1,&fragmentCopy,NULL);
glCompileShader(fs);
glGetShaderiv(fs,GL_COMPILE_STATUS,&success);
if(!success)
{
char log[1024];
glGetShaderInfoLog(fs,1024,NULL,log);
printf("%s\n",log);
}
glAttachShader(copyProgram,vs);
glAttachShader(copyProgram,fs);
glBindAttribLocation(copyProgram,VS_TEXCOORD0,"aTexCoord0");
OPENGL_CHECK_ERRORS;
glBindAttribLocation(copyProgram,VS_POSITION,"aPosition");
OPENGL_CHECK_ERRORS;
glLinkProgram(copyProgram);
copyAlphaLocation = glGetUniformLocation(copyProgram,"AlphaRef");
glGetProgramiv(copyProgram,GL_LINK_STATUS,&success);
if(!success)
{
char log[1024];
glGetProgramInfoLog(copyProgram,1024,NULL,log);
printf("%s\n",log);
}
glDeleteShader(fs);
//Fill shader
fs = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fs,1,&fragmentFill,NULL);
glCompileShader(fs);
glGetShaderiv(fs,GL_COMPILE_STATUS,&success);
if(!success)
{
char log[1024];
glGetShaderInfoLog(fs,1024,NULL,log);
printf("%s\n",log);
}
fillProgram = glCreateProgram();
glAttachShader(fillProgram,vs);
glAttachShader(fillProgram,fs);
glBindAttribLocation(fillProgram,VS_POSITION,"aPosition");
OPENGL_CHECK_ERRORS;
glLinkProgram(fillProgram);
fillColorLocation = glGetUniformLocation(fillProgram,"uColor");
glDeleteShader(fs);
glDeleteShader(vs);
}
COGL_FragmentProgramCombiner::~COGL_FragmentProgramCombiner()
{
int size = m_vCompiledShaders.size();
for (int i=0; i<size; i++)
{
GLuint ID = m_vCompiledShaders[i].programID;
glDeleteProgram(ID);
OPENGL_CHECK_ERRORS;
m_vCompiledShaders[i].programID = 0;
}
m_vCompiledShaders.clear();
}
bool COGL_FragmentProgramCombiner::Initialize(void)
{
if( !COGLColorCombiner4::Initialize() )
return false;
COGLGraphicsContext *pcontext = (COGLGraphicsContext *)(CGraphicsContext::g_pGraphicsContext);
// if( pcontext->IsExtensionSupported("GL_fragment_program") )
// {
m_bFragmentProgramIsSupported = true;
// }
return true;
}
void COGL_FragmentProgramCombiner::DisableCombiner(void)
{
//glDisable(GL_FRAGMENT_PROGRAM);
//OPENGL_CHECK_ERRORS;
COGLColorCombiner4::DisableCombiner();
}
void COGL_FragmentProgramCombiner::InitCombinerCycleCopy(void)
{
m_pOGLRender->DisableMultiTexture();
m_pOGLRender->EnableTexUnit(0,TRUE);
glUseProgram(copyProgram);
glUniform1f(copyAlphaLocation,m_AlphaRef);
OPENGL_CHECK_ERRORS;
glEnableVertexAttribArray(VS_POSITION);
OPENGL_CHECK_ERRORS;
glEnableVertexAttribArray(VS_TEXCOORD0);
OPENGL_CHECK_ERRORS;
glDisableVertexAttribArray(VS_COLOR);
OPENGL_CHECK_ERRORS;
glDisableVertexAttribArray(VS_TEXCOORD1);
OPENGL_CHECK_ERRORS;
COGLTexture* pTexture = g_textures[gRSP.curTile].m_pCOGLTexture;
if( pTexture )
{
m_pOGLRender->BindTexture(pTexture->m_dwTextureName, 0);
m_pOGLRender->SetTexelRepeatFlags(gRSP.curTile);
}
}
void COGL_FragmentProgramCombiner::InitCombinerCycleFill(void)
{
glUseProgram(fillProgram);
glUniform4f(fillColorLocation,((gRDP.fillColor>>16)&0xFF)/255.0f,((gRDP.fillColor>>8)&0xFF)/255.0f,((gRDP.fillColor)&0xFF)/255.0f,((gRDP.fillColor>>24)&0xFF)/255.0f);
OPENGL_CHECK_ERRORS;
}
#ifdef BGR_SHADER
const char *muxToFP_Maps[][2] = {
//color -- alpha
{"vec3(0.0)", "0.0"}, //MUX_0 = 0,
{"vec3(1.0)", "1.0"}, //MUX_1,
{"comb.rgb", "comb.a"}, //MUX_COMBINED,
{"t0.rgb", "t0.a"}, //MUX_TEXEL0,
{"t1.rgb", "t1.a"}, //MUX_TEXEL1,
{"PrimColor.rgb", "PrimColor.a"}, //MUX_PRIM,
{"vShadeColor.rgb", "vShadeColor.a"}, //MUX_SHADE,
{"EnvColor.rgb", "EnvColor.a"}, //MUX_ENV,
{"comb.rgb", "comb.a"}, //MUX_COMBALPHA,
{"t0.rgb", "t0.a"}, //MUX_T0_ALPHA,
{"t1.rgb", "t1.a"}, //MUX_T1_ALPHA,
{"PrimColor.rgb", "PrimColor.a"}, //MUX_PRIM_ALPHA,
{"vShadeColor.rgb", "vShadeColor.a"}, //MUX_SHADE_ALPHA,
{"EnvColor.rgb", "EnvColor.a"}, //MUX_ENV_ALPHA,
{"EnvFrac.a", "EnvFrac.a"}, //MUX_LODFRAC,
{"PrimFrac.a", "PrimFrac.a"}, //MUX_PRIMLODFRAC,
{"vec3(1.0)", "1.0"}, //MUX_K5,
{"vec3(1.0)", "1.0"}, //MUX_UNK, // Should not be used
};
#else
const char *muxToFP_Maps[][2] = {
//color -- alpha
{"vec3(0.0)", "0.0"}, //MUX_0 = 0,
{"vec3(1.0)", "1.0"}, //MUX_1,
{"comb.rgb", "comb.a"}, //MUX_COMBINED,
{"t0.bgr", "t0.a"}, //MUX_TEXEL0,
{"t1.bgr", "t1.a"}, //MUX_TEXEL1,
{"PrimColor.rgb", "PrimColor.a"}, //MUX_PRIM,
{"vShadeColor.rgb", "vShadeColor.a"}, //MUX_SHADE,
{"EnvColor.rgb", "EnvColor.a"}, //MUX_ENV,
{"comb.rgb", "comb.a"}, //MUX_COMBALPHA,
{"t0.bgr", "t0.a"}, //MUX_T0_ALPHA,
{"t1.bgr", "t1.a"}, //MUX_T1_ALPHA,
{"PrimColor.rgb", "PrimColor.a"}, //MUX_PRIM_ALPHA,
{"vShadeColor.rgb", "vShadeColor.a"}, //MUX_SHADE_ALPHA,
{"EnvColor.rgb", "EnvColor.a"}, //MUX_ENV_ALPHA,
{"EnvFrac.a", "EnvFrac.a"}, //MUX_LODFRAC,
{"PrimFrac.a", "PrimFrac.a"}, //MUX_PRIMLODFRAC,
{"vec3(1.0)", "1.0"}, //MUX_K5,
{"vec3(1.0)", "1.0"}, //MUX_UNK, // Should not be used
};
#endif
char oglNewFP[4092];
char* MuxToOC(uint8 val)
{
// For color channel
if( val&MUX_ALPHAREPLICATE )
return (char*)muxToFP_Maps[val&0x1F][1];
else
return (char*)muxToFP_Maps[val&0x1F][0];
}
char* MuxToOA(uint8 val)
{
// For alpha channel
return (char*)muxToFP_Maps[val&0x1F][1];
}
static void CheckFpVars(uint8 MuxVar, bool &bNeedT0, bool &bNeedT1)
{
MuxVar &= 0x1f;
if (MuxVar == MUX_TEXEL0 || MuxVar == MUX_T0_ALPHA)
bNeedT0 = true;
if (MuxVar == MUX_TEXEL1 || MuxVar == MUX_T1_ALPHA)
bNeedT1 = true;
}
void COGL_FragmentProgramCombiner::GenerateProgramStr()
{
DecodedMuxForPixelShader &mux = *(DecodedMuxForPixelShader*)m_pDecodedMux;
mux.splitType[0] = mux.splitType[1] = mux.splitType[2] = mux.splitType[3] = CM_FMT_TYPE_NOT_CHECKED;
m_pDecodedMux->Reformat(false);
char tempstr[500], newFPBody[4092];
bool bNeedT0 = false, bNeedT1 = false, bNeedComb2 = false;
newFPBody[0] = 0;
for( int cycle=0; cycle<2; cycle++ )
{
for( int channel=0; channel<2; channel++)
{
char* (*func)(uint8) = channel==0?MuxToOC:MuxToOA;
char *dst = channel==0?(char*)"rgb":(char*)"a";
N64CombinerType &m = mux.m_n64Combiners[cycle*2+channel];
switch( mux.splitType[cycle*2+channel] )
{
case CM_FMT_TYPE_NOT_USED:
tempstr[0] = 0;
break;
case CM_FMT_TYPE_D:
sprintf(tempstr, "comb.%s = %s;\n", dst, func(m.d));
CheckFpVars(m.d, bNeedT0, bNeedT1);
break;
case CM_FMT_TYPE_A_MOD_C:
sprintf(tempstr, "comb.%s = %s * %s;\n", dst, func(m.a), func(m.c));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.c, bNeedT0, bNeedT1);
break;
case CM_FMT_TYPE_A_ADD_D:
sprintf(tempstr, "comb.%s = saturate(%s + %s);\n", dst, func(m.a), func(m.d));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.d, bNeedT0, bNeedT1);
break;
case CM_FMT_TYPE_A_SUB_B:
sprintf(tempstr, "comb.%s = %s - %s;\n", dst, func(m.a), func(m.b));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.b, bNeedT0, bNeedT1);
break;
case CM_FMT_TYPE_A_MOD_C_ADD_D:
sprintf(tempstr, "comb.%s = saturate(%s * %s + %s);\n", dst, func(m.a), func(m.c),func(m.d));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.c, bNeedT0, bNeedT1);
CheckFpVars(m.d, bNeedT0, bNeedT1);
break;
case CM_FMT_TYPE_A_LERP_B_C:
//ARB ASM LERP and mix have different parameter ordering.
//sprintf(tempstr, "comb.%s = saturate(mix(%s, %s, %s));\n", dst,func(m.a),func(m.b), func(m.c));
sprintf(tempstr, "comb.%s = (%s - %s) * %s + %s;\n", dst,func(m.a),func(m.b), func(m.c),func(m.b));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.b, bNeedT0, bNeedT1);
CheckFpVars(m.c, bNeedT0, bNeedT1);
//sprintf(tempstr, "SUB comb.%s, %s, %s;\nMAD_SAT comb.%s, comb, %s, %s;\n", dst, func(m.a), func(m.b), dst, func(m.c), func(m.b));
break;
default:
sprintf(tempstr, "comb2.%s = %s - %s;\ncomb.%s = saturate(comb2.%s * %s + %s);\n", dst, func(m.a), func(m.b), dst,dst, func(m.c),func(m.d));
CheckFpVars(m.a, bNeedT0, bNeedT1);
CheckFpVars(m.b, bNeedT0, bNeedT1);
CheckFpVars(m.c, bNeedT0, bNeedT1);
CheckFpVars(m.d, bNeedT0, bNeedT1);
bNeedComb2 = true;
break;
}
strcat(newFPBody, tempstr);
}
}
oglNewFP[0] = 0;
if (bNeedT0)
strcat(oglNewFP, "#define NEED_TEX0\n");
if (bNeedT1)
strcat(oglNewFP, "#define NEED_TEX1\n");
if(gRDP.bFogEnableInBlender && gRSP.bFogEnabled && options.fogMethod > 0)
strcat(oglNewFP,"#define FOG");
strcat(oglNewFP, fragmentHeader);
strcat(oglNewFP, newFPBody);
strcat(oglNewFP, fragmentFooter);
}
int COGL_FragmentProgramCombiner::ParseDecodedMux()
{
if( !m_bFragmentProgramIsSupported )
return COGLColorCombiner4::ParseDecodedMux();
OGLShaderCombinerSaveType res;
GLint success;
if(vertexProgram == 9999)
{
vertexProgram = res.vertexShaderID = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(res.vertexShaderID, 1, &vertexShader,NULL);
OPENGL_CHECK_ERRORS;
glCompileShader(res.vertexShaderID);
OPENGL_CHECK_ERRORS;
}
else
{
res.vertexShaderID = vertexProgram;
}
//Create 2 shaders, with and without alphatest
GenerateProgramStr();
for(int alphaTest = 0;alphaTest < 2;alphaTest++)
{
res.fragmentShaderID = glCreateShader(GL_FRAGMENT_SHADER);
char* tmpShader = (char*)malloc(sizeof(char) * 4096);
strcpy(tmpShader,"#version " GLSL_VERSION "\n");
if(alphaTest == 1)
{
strcat(tmpShader,"#define ALPHA_TEST\n");
}
res.alphaTest = alphaTest == 1;
strcat(tmpShader,oglNewFP);
glShaderSource(res.fragmentShaderID, 1,(const char**) &tmpShader,NULL);
free(tmpShader);
OPENGL_CHECK_ERRORS;
glCompileShader(res.fragmentShaderID);
glGetShaderiv(res.fragmentShaderID, GL_COMPILE_STATUS, &success);
if (!success)
{
char Log[1024];
GLint nLength;
glGetShaderInfoLog(res.fragmentShaderID, 1024, &nLength, Log);
printf("Error compiling shader!\n %s",oglNewFP);
printf(Log);
}
res.programID = glCreateProgram();
glAttachShader(res.programID,res.vertexShaderID);
glAttachShader(res.programID,res.fragmentShaderID);
//Bind Attributes
glBindAttribLocation(res.programID,VS_COLOR,"aColor");
OPENGL_CHECK_ERRORS;
glBindAttribLocation(res.programID,VS_TEXCOORD0,"aTexCoord0");
OPENGL_CHECK_ERRORS;
glBindAttribLocation(res.programID,VS_TEXCOORD1,"aTexCoord1");
OPENGL_CHECK_ERRORS;
glBindAttribLocation(res.programID,VS_POSITION,"aPosition");
OPENGL_CHECK_ERRORS;
glLinkProgram(res.programID);
OPENGL_CHECK_ERRORS;
glGetProgramiv(res.programID, GL_LINK_STATUS, &success);
if (!success)
{
char Log[1024];
GLint nLength;
glGetShaderInfoLog(res.fragmentShaderID, 1024, &nLength, Log);
printf("Error linking program!\n");
printf("%s\n",Log);
}
glUseProgram(res.programID);
OPENGL_CHECK_ERRORS;
//Bind texture samplers
GLint tex0 = glGetUniformLocation(res.programID,"uTex0");
GLint tex1 = glGetUniformLocation(res.programID,"uTex1");
if(tex0 != -1)
glUniform1i(tex0,0);
if(tex1 != -1)
glUniform1i(tex1,1);
//Bind Uniforms
res.PrimColorLocation = glGetUniformLocation(res.programID,"PrimColor");
OPENGL_CHECK_ERRORS;
res.EnvColorLocation = glGetUniformLocation(res.programID,"EnvColor");
OPENGL_CHECK_ERRORS;
res.PrimFracLocation = glGetUniformLocation(res.programID,"PrimFrac");
OPENGL_CHECK_ERRORS;
res.EnvFracLocation = glGetUniformLocation(res.programID,"EnvFrac");
OPENGL_CHECK_ERRORS;
res.AlphaRefLocation = glGetUniformLocation(res.programID,"AlphaRef");
OPENGL_CHECK_ERRORS;
res.FogColorLocation = glGetUniformLocation(res.programID,"FogColor");
OPENGL_CHECK_ERRORS;
res.FogMinMaxLocation = glGetUniformLocation(res.programID,"FogMinMax");
OPENGL_CHECK_ERRORS;
res.dwMux0 = m_pDecodedMux->m_dwMux0;
res.dwMux1 = m_pDecodedMux->m_dwMux1;
res.fogIsUsed = gRDP.bFogEnableInBlender && gRSP.bFogEnabled;
m_vCompiledShaders.push_back(res);
}
m_lastIndex = m_vCompiledShaders.size()-2;
return m_lastIndex;
}
void COGL_FragmentProgramCombiner::GenerateCombinerSetting(int index)
{
GLuint ID = m_vCompiledShaders[index].programID;
glUseProgram(ID);
glEnableVertexAttribArray(VS_POSITION);
OPENGL_CHECK_ERRORS;
glVertexAttribPointer(VS_POSITION,4,GL_FLOAT,GL_FALSE,sizeof(float)*5,&(g_vtxProjected5[0][0]));
OPENGL_CHECK_ERRORS;
glEnableVertexAttribArray(VS_TEXCOORD0);
OPENGL_CHECK_ERRORS;
glVertexAttribPointer(VS_TEXCOORD0,2,GL_FLOAT,GL_FALSE, sizeof( TLITVERTEX ), &(g_vtxBuffer[0].tcord[0].u));
OPENGL_CHECK_ERRORS;
glEnableVertexAttribArray(VS_TEXCOORD1);
OPENGL_CHECK_ERRORS;
glVertexAttribPointer(VS_TEXCOORD1,2,GL_FLOAT,GL_FALSE, sizeof( TLITVERTEX ), &(g_vtxBuffer[0].tcord[1].u));
OPENGL_CHECK_ERRORS;
glEnableVertexAttribArray(VS_COLOR);
OPENGL_CHECK_ERRORS;
glVertexAttribPointer(VS_COLOR, 4, GL_UNSIGNED_BYTE,GL_TRUE, sizeof(uint8)*4, &(g_oglVtxColors[0][0]) );
OPENGL_CHECK_ERRORS;
}
void COGL_FragmentProgramCombiner::GenerateCombinerSettingConstants(int index)
{
OGLShaderCombinerSaveType prog = m_vCompiledShaders[index];
glUseProgram(prog.programID);
float *pf;
if(prog.EnvColorLocation != -1)
{
pf = GetEnvColorfv();
glUniform4fv(prog.EnvColorLocation,1, pf);
OPENGL_CHECK_ERRORS;
}
if(prog.PrimColorLocation != -1)
{
pf = GetPrimitiveColorfv();
glUniform4fv(prog.PrimColorLocation,1, pf);
OPENGL_CHECK_ERRORS;
}
if(prog.EnvFracLocation != -1)
{
float frac = gRDP.LODFrac / 255.0f;
float tempf[4] = {frac,frac,frac,frac};
glUniform4fv(prog.EnvFracLocation,1, tempf);
OPENGL_CHECK_ERRORS;
}
if(prog.PrimFracLocation != -1)
{
float frac2 = gRDP.primLODFrac / 255.0f;
float tempf2[4] = {frac2,frac2,frac2,frac2};
glUniform4fv(prog.PrimFracLocation,1, tempf2);
OPENGL_CHECK_ERRORS;
}
//if(prog.FogColorLocation != -1 && prog.FogMinMaxLocation != -1)
//{
// //Pass fog colour and distance, use 0 alpha if fog disabled
// glUniform4f(prog.FogColorLocation, gRDP.fvFogColor[0],gRDP.fvFogColor[1],gRDP.fvFogColor[2],
// gRSP.bFogEnabled ? gRDP.fvFogColor[0] : 0.0f);
// glUniform2f(prog.FogMinMaxLocation,gRSPfFogMin,gRSPfFogMax);
//}
if(prog.AlphaRefLocation != -1)
glUniform1f(prog.AlphaRefLocation,m_AlphaRef);
OPENGL_CHECK_ERRORS;
}
void COGL_FragmentProgramCombiner::UpdateFog(bool bEnable)
{
if(m_lastIndex < 0 || m_lastIndex >= m_vCompiledShaders.size())
return;
OGLShaderCombinerSaveType prog = m_vCompiledShaders[m_lastIndex];
//if(bEnable)
// DebugMessage(M64MSG_INFO,"Fog Color %x Min %f Max %f",gRDP.fogColor,gRSPfFogMin,gRSPfFogMax);
if(prog.FogColorLocation != -1 && prog.FogMinMaxLocation != -1)
{
//Pass fog colour and distance, use 0 alpha if fog disabled
glUniform4f(prog.FogColorLocation, gRDP.fvFogColor[0],gRDP.fvFogColor[1],gRDP.fvFogColor[2],
bEnable ? gRDP.fvFogColor[0] : 0.0f);
//glUniform4f(prog.FogColorLocation, 1.0f,0.3f,0.3f,1.0f);
//OPENGL_CHECK_ERRORS;
glUniform2f(prog.FogMinMaxLocation,gRSPfFogMin,gRSPfFogMax);
OPENGL_CHECK_ERRORS;
}
}
int COGL_FragmentProgramCombiner::FindCompiledMux()
{
#ifdef DEBUGGER
if( debuggerDropCombiners )
{
m_vCompiledShaders.clear();
//m_dwLastMux0 = m_dwLastMux1 = 0;
debuggerDropCombiners = false;
}
#endif
for( uint32 i=0; i<m_vCompiledShaders.size(); i++ )
{
if( m_vCompiledShaders[i].dwMux0 == m_pDecodedMux->m_dwMux0
&& m_vCompiledShaders[i].dwMux1 == m_pDecodedMux->m_dwMux1
&& m_vCompiledShaders[i].fogIsUsed == (gRDP.bFogEnableInBlender && gRSP.bFogEnabled)
&& m_vCompiledShaders[i].alphaTest == m_AlphaRef > 0.0f)
{
return (int)i;
}
}
return -1;
}
//////////////////////////////////////////////////////////////////////////
void COGL_FragmentProgramCombiner::InitCombinerCycle12(void)
{
if( !m_bFragmentProgramIsSupported )
{
COGLColorCombiner4::InitCombinerCycle12();
return;
}
#ifdef DEBUGGER
if( debuggerDropCombiners )
{
UpdateCombiner(m_pDecodedMux->m_dwMux0,m_pDecodedMux->m_dwMux1);
m_vCompiledShaders.clear();
m_dwLastMux0 = m_dwLastMux1 = 0;
debuggerDropCombiners = false;
}
#endif
m_pOGLRender->EnableMultiTexture();
bool combinerIsChanged = false;
if( m_pDecodedMux->m_dwMux0 != m_dwLastMux0 || m_pDecodedMux->m_dwMux1 != m_dwLastMux1 || m_lastIndex < 0 )
{
combinerIsChanged = true;
m_lastIndex = FindCompiledMux();
if( m_lastIndex < 0 ) // Can not found
{
m_lastIndex = ParseDecodedMux();
}
m_dwLastMux0 = m_pDecodedMux->m_dwMux0;
m_dwLastMux1 = m_pDecodedMux->m_dwMux1;
}
GenerateCombinerSettingConstants(m_lastIndex);
if( m_bCycleChanged || combinerIsChanged || gRDP.texturesAreReloaded || gRDP.colorsAreReloaded )
{
if( m_bCycleChanged || combinerIsChanged )
{
GenerateCombinerSettingConstants(m_lastIndex);
GenerateCombinerSetting(m_lastIndex);
}
else if( gRDP.colorsAreReloaded )
{
GenerateCombinerSettingConstants(m_lastIndex);
}
m_pOGLRender->SetAllTexelRepeatFlag();
gRDP.colorsAreReloaded = false;
gRDP.texturesAreReloaded = false;
}
else
{
m_pOGLRender->SetAllTexelRepeatFlag();
}
}
#ifdef DEBUGGER
void COGL_FragmentProgramCombiner::DisplaySimpleMuxString(void)
{
COGLColorCombiner::DisplaySimpleMuxString();
DecodedMuxForPixelShader &mux = *(DecodedMuxForPixelShader*)m_pDecodedMux;
mux.Reformat(false);
GenerateProgramStr();
//sprintf(oglNewFP, oglFP,
// MuxToOC(mux.aRGB0), MuxToOC(mux.bRGB0), MuxToOC(mux.cRGB0), MuxToOC(mux.dRGB0),
// MuxToOA(mux.aA0), MuxToOA(mux.bA0), MuxToOA(mux.cA0), MuxToOA(mux.dA0),
// MuxToOC(mux.aRGB1), MuxToOC(mux.bRGB1), MuxToOC(mux.cRGB1), MuxToOC(mux.dRGB1),
// MuxToOA(mux.aA1), MuxToOA(mux.bA1), MuxToOA(mux.cA1), MuxToOA(mux.dA1)
// );
TRACE0("OGL Fragment Program:");
TRACE0(oglNewFP);
}
#endif