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dolphin/Source/Plugins/Plugin_VideoOGL/Src/PixelShader.cpp

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Initial megacommit. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
2008-07-12 11:40:22 -06:00
// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
Started backport of features from OpenGL to D3D plugins (no visible effects yet). Some minor cleanup and checks. Deleted unnecessary file from SVN. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@9 8ced0084-cf51-0410-be5f-012b33b47a6e
2008-07-15 14:11:18 -06:00
#include "Globals.h"
#include <math.h>
#include <assert.h>
#include "VertexShader.h"
#include "PixelShader.h"
#define I_COLORS "color"
#define I_KCOLORS "k"
#define I_ALPHA "alphaRef"
#define I_TEXDIMS "texdim"
#define I_ZBIAS "czbias"
#define I_INDTEXSCALE "cindscale"
#define I_INDTEXMTX "cindmtx"
#define C_COLORS 0
#define C_KCOLORS (C_COLORS+4)
#define C_ALPHA (C_KCOLORS+4)
#define C_TEXDIMS (C_ALPHA+1)
#define C_ZBIAS (C_TEXDIMS+8)
#define C_INDTEXSCALE (C_ZBIAS+2)
#define C_INDTEXMTX (C_INDTEXSCALE+2)
#define C_ENVCONST_END (C_INDTEXMTX+6)
#define C_COLORMATRIX (C_INDTEXMTX+6)
void WriteStage(char *&p, int n);
void WrapNonPow2Tex(char* &p, const char* var, int texmap);
void WriteAlphaCompare(char *&p, int num, int comp);
bool WriteAlphaTest(char *&p);
PixelShaderMngr::PSCache PixelShaderMngr::pshaders;
FRAGMENTSHADER* PixelShaderMngr::pShaderLast = NULL;
PixelShaderMngr::PIXELSHADERUID PixelShaderMngr::s_curuid;
static int s_nMaxPixelInstructions;
static int s_nColorsChanged[2]; // 0 - regular colors, 1 - k colors
static int s_nTexDimsChanged[2], s_nIndTexMtxChanged = 0; //min, max
static bool s_bAlphaChanged, s_bZBiasChanged, s_bIndTexScaleChanged;
static float lastRGBAfull[2][4][4] = {0};
static u32 lastAlpha = 0;
static u32 lastTexDims[8]={0};
static u32 lastZBias = 0;
// lower byte describes if a texture is nonpow2 or pow2
// next byte describes whether the repeat wrap mode is enabled for the s channel
// next byte is for t channel
static u32 s_texturemask = 0;
static int maptocoord[8]; // indexed by texture map, holds the texcoord associated with the map
static u32 maptocoord_mask=0;
static GLuint s_ColorMatrixProgram=0;
void PixelShaderMngr::Init()
{
s_nColorsChanged[0] = s_nColorsChanged[1] = 0;
s_nTexDimsChanged[0] = s_nTexDimsChanged[1] = -1;
s_nIndTexMtxChanged = 15;
s_bAlphaChanged = s_bZBiasChanged = s_bIndTexScaleChanged = true;
GL_REPORT_ERRORD();
for(int i = 0; i < 8; ++i) maptocoord[i] = -1;
maptocoord_mask = 0;
memset(lastRGBAfull, 0, sizeof(lastRGBAfull));
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB, &s_nMaxPixelInstructions);
int maxinst, maxattribs;
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, &maxinst);
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB, &maxattribs);
ERROR_LOG("pixel max_alu=%d, max_inst=%d, max_attrib=%d\n", s_nMaxPixelInstructions, maxinst, maxattribs);
char pmatrixprog[1024];
sprintf(pmatrixprog, "!!ARBfp1.0"
"TEMP R0;\n"
"TEMP R1;\n"
"TEX R0, fragment.texcoord[0], texture[0], RECT;\n"
"DP4 R1.w, R0, program.env[%d];\n"
"DP4 R1.z, R0, program.env[%d];\n"
"DP4 R1.x, R0, program.env[%d];\n"
"DP4 R1.y, R0, program.env[%d];\n"
"ADD result.color, R1, program.env[%d];\n"
"END\n", C_COLORMATRIX+3, C_COLORMATRIX+2, C_COLORMATRIX, C_COLORMATRIX+1, C_COLORMATRIX+4);
glGenProgramsARB( 1, &s_ColorMatrixProgram );
glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, s_ColorMatrixProgram );
glProgramStringARB( GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)strlen(pmatrixprog), pmatrixprog);
GLenum err=GL_NO_ERROR;
GL_REPORT_ERROR();
if( err != GL_NO_ERROR ) {
ERROR_LOG("Failed to create color matrix fragment program\n");
SAFE_RELEASE_PROG(s_ColorMatrixProgram);
}
}
void PixelShaderMngr::Shutdown()
{
SAFE_RELEASE_PROG(s_ColorMatrixProgram);
PSCache::iterator iter = pshaders.begin();
for (;iter!=pshaders.end();iter++)
iter->second.Destroy();
pshaders.clear();
}
FRAGMENTSHADER* PixelShaderMngr::GetShader()
{
DVSTARTPROFILE();
PIXELSHADERUID uid;
GetPixelShaderId(uid);
PSCache::iterator iter = pshaders.find(uid);
if (iter != pshaders.end()) {
iter->second.frameCount=frameCount;
PSCacheEntry &entry = iter->second;
if (&entry.shader != pShaderLast)
{
pShaderLast = &entry.shader;
}
return pShaderLast;
}
PSCacheEntry& newentry = pshaders[uid];
if (!GeneratePixelShader(newentry.shader)) {
ERROR_LOG("failed to create pixel shader\n");
return NULL;
}
//Make an entry in the table
newentry.frameCount=frameCount;
pShaderLast = &newentry.shader;
INCSTAT(stats.numPixelShadersCreated);
SETSTAT(stats.numPixelShadersAlive, pshaders.size());
return pShaderLast;
}
void PixelShaderMngr::Cleanup()
{
PSCache::iterator iter = pshaders.begin();
while(iter != pshaders.end()) {
PSCacheEntry &entry = iter->second;
if (entry.frameCount<frameCount-200) {
entry.Destroy();
#ifdef _WIN32
iter = pshaders.erase(iter);
#else
pshaders.erase(iter++); // (this is gcc standard!)
#endif
}
else
iter++;
}
SETSTAT(stats.numPixelShadersAlive,(int)pshaders.size());
}
bool PixelShaderMngr::CompilePixelShader(FRAGMENTSHADER& ps, const char* pstrprogram)
{
CGerror cgerr = cgGetError();
char stropt[64];
sprintf(stropt, "MaxLocalParams=32,NumInstructionSlots=%d", s_nMaxPixelInstructions);
#ifdef _WIN32
const char* opts[] = {"-profileopts",stropt,"-O2","-q",NULL};
#else
const char* opts[] = {"-profileopts",stropt,"-q",NULL};
#endif
CGprogram tempprog = cgCreateProgram(g_cgcontext, CG_SOURCE, pstrprogram, g_cgfProf, "main", opts);
if (!cgIsProgram(tempprog) || cgGetError() != CG_NO_ERROR) {
ERROR_LOG("Failed to create ps %s:\n", cgGetLastListing(g_cgcontext));
ERROR_LOG(pstrprogram);
return false;
}
char* pcompiledprog = (char*)cgGetProgramString(tempprog, CG_COMPILED_PROGRAM);
char* plocal = strstr(pcompiledprog, "program.local");
while( plocal != NULL ) {
const char* penv = " program.env";
memcpy(plocal, penv, 13);
plocal = strstr(plocal+13, "program.local");
}
if( Renderer::IsUsingATIDrawBuffers() ) {
// sometimes compilation can use ARB_draw_buffers, which would fail for ATI cards
char* poptions = strstr(pcompiledprog, "ARB_draw_buffers");
if( poptions != NULL ) {
poptions[0] = 'A';
poptions[1] = 'T';
poptions[2] = 'I';
}
}
//ERROR_LOG(pcompiledprog);
//ERROR_LOG(pstrprogram);
glGenProgramsARB( 1, &ps.glprogid );
glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, ps.glprogid );
glProgramStringARB( GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)strlen(pcompiledprog), pcompiledprog);
GLenum err = GL_NO_ERROR;
GL_REPORT_ERROR();
if( err != GL_NO_ERROR ) {
ERROR_LOG(pstrprogram);
ERROR_LOG(pcompiledprog);
}
cgDestroyProgram(tempprog);
#ifdef _DEBUG
ps.strprog = pstrprogram;
#endif
return true;
}
void PixelShaderMngr::SetConstants(FRAGMENTSHADER& ps)
{
for(int i = 0; i < 2; ++i) {
if( s_nColorsChanged[i] ) {
int baseind = i?C_KCOLORS:C_COLORS;
for(int j = 0; j < 4; ++j) {
if( s_nColorsChanged[i] & (1<<j) ) {
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, baseind+j, &lastRGBAfull[i][j][0]);
}
}
s_nColorsChanged[i] = 0;
}
}
u32 newmask = 0;
for(u32 i = 0; i < bpmem.genMode.numtevstages+1; ++i) {
if( bpmem.tevorders[i/2].getEnable(i&1) ) {
int texmap = bpmem.tevorders[i/2].getTexMap(i&1);
maptocoord[texmap] = bpmem.tevorders[i/2].getTexCoord(i&1);
newmask |= 1<<texmap;
SetTexDimsChanged(i);
}
}
if( maptocoord_mask != newmask ) {
u32 changes = maptocoord_mask ^ newmask;
for(int i = 0; i < 8; ++i) {
if( changes&(1<<i) ) {
SetTexDimsChanged(i);
}
if( !(newmask & (1<<i)) ) {
maptocoord[i] = -1;
}
}
maptocoord_mask = newmask;
}
if( s_nTexDimsChanged[0] >= 0 ) {
float fdims[4];
for(int i = s_nTexDimsChanged[0]; i <= s_nTexDimsChanged[1]; ++i) {
if( s_texturemask & (1<<i) ) {
if( maptocoord[i] >= 0 ) {
TCoordInfo& tc = bpmem.texcoords[maptocoord[i]];
fdims[0] = (float)(lastTexDims[i]&0xffff);
fdims[1] = (float)((lastTexDims[i]>>16)&0xfff);
fdims[2] = (float)(tc.s.scale_minus_1+1)/(float)(lastTexDims[i]&0xffff);
fdims[3] = (float)(tc.t.scale_minus_1+1)/(float)((lastTexDims[i]>>16)&0xfff);
}
else {
fdims[0] = (float)(lastTexDims[i]&0xffff);
fdims[1] = (float)((lastTexDims[i]>>16)&0xfff);
fdims[2] = 1.0f;
fdims[3] = 1.0f;
}
}
else {
if( maptocoord[i] >= 0 ) {
TCoordInfo& tc = bpmem.texcoords[maptocoord[i]];
fdims[0] = (float)(tc.s.scale_minus_1+1)/(float)(lastTexDims[i]&0xffff);
fdims[1] = (float)(tc.t.scale_minus_1+1)/(float)((lastTexDims[i]>>16)&0xfff);
fdims[2] = 1.0f/(float)(tc.s.scale_minus_1+1);
fdims[3] = 1.0f/(float)(tc.t.scale_minus_1+1);
}
else {
fdims[0] = 1.0f;
fdims[1] = 1.0f;
fdims[2] = 1.0f/(float)(lastTexDims[i]&0xffff);
fdims[3] = 1.0f/(float)((lastTexDims[i]>>16)&0xfff);
}
}
PRIM_LOG("texdims%d: %f %f %f %f\n", i, fdims[0], fdims[1], fdims[2], fdims[3]);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_TEXDIMS+i, fdims);
}
s_nTexDimsChanged[0] = s_nTexDimsChanged[1] = -1;
}
if( s_bAlphaChanged ) {
glProgramEnvParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, C_ALPHA, (lastAlpha&0xff)/255.0f, ((lastAlpha>>8)&0xff)/255.0f, 0, ((lastAlpha>>16)&0xff)/255.0f);
}
if( s_bZBiasChanged ) {
u32 bits;
float ffrac = 255.0f/256.0f;
float ftemp[4];
switch(bpmem.ztex2.type) {
case 0:
bits = 8;
ftemp[0] = ffrac/(256.0f*256.0f); ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac; ftemp[3] = 0;
break;
case 1:
bits = 16;
ftemp[0] = 0; ftemp[1] = ffrac/(256.0f*256.0f); ftemp[2] = ffrac/256.0f; ftemp[3] = ffrac;
break;
case 2:
bits = 24;
ftemp[0] = ffrac/(256.0f*256.0f); ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac; ftemp[3] = 0;
break;
}
//ERROR_LOG("pixel=%x,%x, bias=%x\n", bpmem.zcontrol.pixel_format, bpmem.ztex2.type, lastZBias);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_ZBIAS, ftemp);
glProgramEnvParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, C_ZBIAS+1, 0, 0, 0, (float)( (((int)lastZBias<<8)>>8))/16777216.0f);
}
// indirect incoming texture scales, update all!
if( s_bIndTexScaleChanged ) {
float f[8];
for(u32 i = 0; i < bpmem.genMode.numindstages; ++i) {
int srctexmap = bpmem.tevindref.getTexMap(i);
int texcoord = bpmem.tevindref.getTexCoord(i);
TCoordInfo& tc = bpmem.texcoords[texcoord];
f[2*i] = bpmem.texscale[i/2].getScaleS(i&1) * (float)(tc.s.scale_minus_1+1) / (float)(lastTexDims[srctexmap]&0xffff);
f[2*i+1] = bpmem.texscale[i/2].getScaleT(i&1) * (float)(tc.t.scale_minus_1+1) / (float)((lastTexDims[srctexmap]>>16)&0xfff);
PRIM_LOG("tex indscale%d: %f %f\n", i, f[2*i], f[2*i+1]);
}
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_INDTEXSCALE, f);
if( bpmem.genMode.numindstages > 2 )
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_INDTEXSCALE+1, &f[4]);
s_bIndTexScaleChanged = false;
}
if( s_nIndTexMtxChanged ) {
for(int i = 0; i < 3; ++i) {
if( s_nIndTexMtxChanged & (1<<i) ) {
int scale = ((u32)bpmem.indmtx[i].col0.s0<<0)|((u32)bpmem.indmtx[i].col1.s1<<2)|((u32)bpmem.indmtx[i].col2.s2<<4);
float fscale = powf(2.0f,(float)(scale-17)) / 1024.0f;
// xyz - static matrix
//TODO w - dynamic matrix scale / 256...... somehow / 4 works better
glProgramEnvParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, C_INDTEXMTX+2*i,
bpmem.indmtx[i].col0.ma * fscale, bpmem.indmtx[i].col1.mc * fscale, bpmem.indmtx[i].col2.me * fscale, fscale * 256.0f);
glProgramEnvParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, C_INDTEXMTX+2*i+1,
bpmem.indmtx[i].col0.mb * fscale, bpmem.indmtx[i].col1.md * fscale, bpmem.indmtx[i].col2.mf * fscale, fscale * 256.0f);
PRIM_LOG("indmtx%d: scale=%f, mat=(%f %f %f; %f %f %f)\n", i,
1024.0f*fscale, bpmem.indmtx[i].col0.ma * fscale, bpmem.indmtx[i].col1.mc * fscale, bpmem.indmtx[i].col2.me * fscale,
bpmem.indmtx[i].col0.mb * fscale, bpmem.indmtx[i].col1.md * fscale, bpmem.indmtx[i].col2.mf * fscale, fscale);
}
}
s_nIndTexMtxChanged = 0;
}
}
void PixelShaderMngr::SetColorChanged(int type, int num)
{
int r=bpmem.tevregs[num].low.a, a=bpmem.tevregs[num].low.b;
int b=bpmem.tevregs[num].high.a, g=bpmem.tevregs[num].high.b;
float* pf = &lastRGBAfull[type][num][0];
pf[0] = (float)r/255.0f;
pf[1] = (float)g/255.0f;
pf[2] = (float)b/255.0f;
pf[3] = (float)a/255.0f;
s_nColorsChanged[type] |= 1 << num;
PRIM_LOG("pixel %scolor%d: %f %f %f %f\n", type?"k":"", num, pf[0], pf[1], pf[2], pf[3]);
}
void PixelShaderMngr::SetAlpha(const AlphaFunc& alpha)
{
if( (alpha.hex&0xffff) != lastAlpha ) {
lastAlpha = (lastAlpha&~0xffff)|(alpha.hex&0xffff);
s_bAlphaChanged = true;
}
}
void PixelShaderMngr::SetDestAlpha(const ConstantAlpha& alpha)
{
if( alpha.alpha != (lastAlpha>>16) ) {
lastAlpha = (lastAlpha&~0xff0000)|((alpha.hex&0xff)<<16);
s_bAlphaChanged = true;
}
}
void PixelShaderMngr::SetTexDims(int texmapid, u32 width, u32 height, u32 wraps, u32 wrapt)
{
u32 wh = width|(height<<16)|(wraps<<28)|(wrapt<<30);
if( lastTexDims[texmapid] != wh ) {
lastTexDims[texmapid] = wh;
if( s_nTexDimsChanged[0] == -1 ) {
s_nTexDimsChanged[0] = s_nTexDimsChanged[1] = texmapid;
}
else {
if( s_nTexDimsChanged[0] > texmapid ) s_nTexDimsChanged[0] = texmapid;
else if( s_nTexDimsChanged[1] < texmapid ) s_nTexDimsChanged[1] = texmapid;
}
}
}
void PixelShaderMngr::SetZTetureBias(u32 bias)
{
if( lastZBias != bias ) {
s_bZBiasChanged = true;
lastZBias = bias;
}
}
void PixelShaderMngr::SetIndTexScaleChanged()
{
s_bIndTexScaleChanged = true;
}
void PixelShaderMngr::SetIndMatrixChanged(int matrixidx)
{
s_nIndTexMtxChanged |= 1 << matrixidx;
}
void PixelShaderMngr::SetGenModeChanged()
{
}
void PixelShaderMngr::SetTevCombinerChanged(int id)
{
}
void PixelShaderMngr::SetTevKSelChanged(int id)
{
}
void PixelShaderMngr::SetTevOrderChanged(int id)
{
}
void PixelShaderMngr::SetTevIndirectChanged(int id)
{
}
void PixelShaderMngr::SetZTetureOpChanged()
{
s_bZBiasChanged = true;
}
void PixelShaderMngr::SetTexturesUsed(u32 nonpow2tex)
{
if( s_texturemask != nonpow2tex ) {
u32 mask = s_texturemask ^ nonpow2tex;
for(int i = 0; i < 8; ++i) {
if( mask & (0x10101<<i) ) {
if( s_nTexDimsChanged[0] > i ) s_nTexDimsChanged[0] = i;
else if( s_nTexDimsChanged[1] < i ) s_nTexDimsChanged[1] = i;
}
}
s_texturemask = nonpow2tex;
}
}
void PixelShaderMngr::SetTexDimsChanged(int texmapid)
{
if( s_nTexDimsChanged[0] > texmapid ) s_nTexDimsChanged[0] = texmapid;
else if( s_nTexDimsChanged[1] < texmapid ) s_nTexDimsChanged[1] = texmapid;
SetIndTexScaleChanged();
}
void PixelShaderMngr::SetColorMatrix(const float* pmatrix, const float* pfConstAdd)
{
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_COLORMATRIX, pmatrix);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_COLORMATRIX+1, pmatrix+4);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_COLORMATRIX+2, pmatrix+8);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_COLORMATRIX+3, pmatrix+12);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, C_COLORMATRIX+4, pfConstAdd);
}
GLuint PixelShaderMngr::GetColorMatrixProgram()
{
return s_ColorMatrixProgram;
}
// old tev->pixelshader notes
//
// color for this stage (alpha, color) is given by bpmem.tevorders[0].colorchan0
// konstant for this stage (alpha, color) is given by bpmem.tevksel
// inputs are given by bpmem.combiners[0].colorC.a/b/c/d << could be current chan color
// according to GXTevColorArg table above
// output is given by .outreg
// tevtemp is set according to swapmodetables and
const float epsilon = 1.0f/255.0f;
const char *tevKSelTableC[] = // KCSEL
{
"1.0f,1.0f,1.0f", //1 = 0x00
"0.875,0.875,0.875",//7_8 = 0x01
"0.75,0.75,0.75", //3_4 = 0x02
"0.625,0.625,0.625",//5_8 = 0x03
"0.5,0.5,0.5", //1_2 = 0x04
"0.375,0.375,0.375",//3_8 = 0x05
"0.25,0.25,0.25", //1_4 = 0x06
"0.125,0.125,0.125",//1_8 = 0x07
"ERROR", //0x08
"ERROR", //0x09
"ERROR", //0x0a
"ERROR", //0x0b
I_KCOLORS"[0].rgb",//K0 = 0x0C
I_KCOLORS"[1].rgb",//K1 = 0x0D
I_KCOLORS"[2].rgb",//K2 = 0x0E
I_KCOLORS"[3].rgb",//K3 = 0x0F
I_KCOLORS"[0].rrr",//K0_R = 0x10
I_KCOLORS"[1].rrr",//K1_R = 0x11
I_KCOLORS"[2].rrr",//K2_R = 0x12
I_KCOLORS"[3].rrr",//K3_R = 0x13
I_KCOLORS"[0].ggg",//K0_G = 0x14
I_KCOLORS"[1].ggg",//K1_G = 0x15
I_KCOLORS"[2].ggg",//K2_G = 0x16
I_KCOLORS"[3].ggg",//K3_G = 0x17
I_KCOLORS"[0].bbb",//K0_B = 0x18
I_KCOLORS"[1].bbb",//K1_B = 0x19
I_KCOLORS"[2].bbb",//K2_B = 0x1A
I_KCOLORS"[3].bbb",//K3_B = 0x1B
I_KCOLORS"[0].aaa",//K0_A = 0x1C
I_KCOLORS"[1].aaa",//K1_A = 0x1D
I_KCOLORS"[2].aaa",//K2_A = 0x1E
I_KCOLORS"[3].aaa",//K3_A = 0x1F
};
const char *tevKSelTableA[] = // KASEL
{
"1.0f", //1 = 0x00
"0.875f",//7_8 = 0x01
"0.75f", //3_4 = 0x02
"0.625f",//5_8 = 0x03
"0.5f", //1_2 = 0x04
"0.375f",//3_8 = 0x05
"0.25f", //1_4 = 0x06
"0.125f",//1_8 = 0x07
"ERROR", //0x08
"ERROR", //0x09
"ERROR", //0x0a
"ERROR", //0x0b
"ERROR", //0x0c
"ERROR", //0x0d
"ERROR", //0x0e
"ERROR", //0x0f
I_KCOLORS"[0].r",//K0_R = 0x10
I_KCOLORS"[1].r",//K1_R = 0x11
I_KCOLORS"[2].r",//K2_R = 0x12
I_KCOLORS"[3].r",//K3_R = 0x13
I_KCOLORS"[0].g",//K0_G = 0x14
I_KCOLORS"[1].g",//K1_G = 0x15
I_KCOLORS"[2].g",//K2_G = 0x16
I_KCOLORS"[3].g",//K3_G = 0x17
I_KCOLORS"[0].b",//K0_B = 0x18
I_KCOLORS"[1].b",//K1_B = 0x19
I_KCOLORS"[2].b",//K2_B = 0x1A
I_KCOLORS"[3].b",//K3_B = 0x1B
I_KCOLORS"[0].a",//K0_A = 0x1C
I_KCOLORS"[1].a",//K1_A = 0x1D
I_KCOLORS"[2].a",//K2_A = 0x1E
I_KCOLORS"[3].a",//K3_A = 0x1F
};
const char *tevScaleTable[] = // CS
{
"1.0f", //SCALE_1
"2.0f", //SCALE_2
"4.0f", //SCALE_4
"0.5f",//DIVIDE_2
};
const char *tevBiasTable[] = // TB
{
"", //ZERO,
"+0.5f", //ADDHALF,
"-0.5f", //SUBHALF,
"",
};
const char *tevOpTable[] = { // TEV
"+", //TEVOP_ADD = 0,
"-", //TEVOP_SUB = 1,
};
const char *tevCompOpTable[] = { ">", "==" };
#define TEVCMP_R8 0
#define TEVCMP_GR16 1
#define TEVCMP_BGR24 2
#define TEVCMP_RGB8 3
const char *tevCInputTable[] = // CC
{
"prev.rgb", //CPREV,
"prev.aaa", //APREV,
"c0.rgb", //C0,
"c0.aaa", //A0,
"c1.rgb", //C1,
"c1.aaa", //A1,
"c2.rgb", //C2,
"c2.aaa", //A2,
"textemp.rgb", //TEXC,
"textemp.aaa", //TEXA,
"rastemp.rgb", //RASC,
"rastemp.aaa", //RASA,
"float3(1.0f,1.0f,1.0f)", //ONE,
"float3(.5f,.5f,.5f)", //HALF,
"konsttemp.rgb", //KONST,
"float3(0.0f,0.0f,0.0f)", //ZERO
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
};
const char *tevCInputTable2[] = // CC
{
"prev", //CPREV,
"(prev.aaa)", //APREV,
"c0", //C0,
"(c0.aaa)", //A0,
"c1", //C1,
"(c1.aaa)", //A1,
"c2", //C2,
"(c2.aaa)", //A2,
"textemp", //TEXC,
"(textemp.aaa)", //TEXA,
"rastemp", //RASC,
"(rastemp.aaa)", //RASA,
"float3(1.0f,1.0f,1.0f)", //ONE,
"float3(.5f,.5f,.5f)", //HALF,
"konsttemp", //"konsttemp.rgb", //KONST,
"float3(0.0f,0.0f,0.0f)", //ZERO
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
};
const char *tevAInputTable[] = // CA
{
"prev.a", //APREV,
"c0.a", //A0,
"c1.a", //A1,
"c2.a", //A2,
"textemp.a", //TEXA,
"rastemp.a", //RASA,
"konsttemp.a", //KONST
"0.0", //ZERO
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR",
};
const char *tevAInputTable2[] = // CA
{
"prev", //APREV,
"c0", //A0,
"c1", //A1,
"c2", //A2,
"textemp", //TEXA,
"rastemp", //RASA,
"konsttemp", //KONST, (hw1 had quarter)
"float4(0,0,0,0)", //ZERO
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
"PADERROR", "PADERROR", "PADERROR", "PADERROR",
};
const char *tevRasTable[] =
{
"colors[0]",
"colors[1]",
"ERROR", //2
"ERROR", //3
"ERROR", //4
"alphabump", // use bump alpha
"(alphabump*(255.0f/248.0f))", //normalized
"float4(0,0,0,0)", // zero
};
const char *tevTexFunc[] = { "tex2D", "texRECT" };
const char *tevCOutputTable[] = { "prev.rgb", "c0.rgb", "c1.rgb", "c2.rgb" };
const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
const char* tevIndAlphaSel[] = {"", "x", "y", "z"};
const char* tevIndAlphaScale[] = {"", "*32","*16","*8"};
const char* tevIndBiasField[] = {"", "x", "y", "xy", "z", "xz", "yz", "xyz"}; // indexed by bias
const char* tevIndBiasAdd[] = {"-128.0f", "1.0f", "1.0f", "1.0f" }; // indexed by fmt
const char* tevIndWrapStart[] = {"0", "256", "128", "64", "32", "16", "0.001" };
const char* tevIndFmtScale[] = {"255.0f", "31.0f", "15.0f", "8.0f" };
void PixelShaderMngr::GetPixelShaderId(PixelShaderMngr::PIXELSHADERUID& uid)
{
u32 projtexcoords = 0;
for (u32 i = 0; i < bpmem.genMode.numtevstages+1; i++) {
if( bpmem.tevorders[i/2].getEnable(i&1) ) {
int texcoord = bpmem.tevorders[i/2].getTexCoord(i&1);
if( xfregs.texcoords[texcoord].texmtxinfo.projection )
projtexcoords |= 1<<texcoord;
}
}
u32 zbufrender = (Renderer::GetZBufferTarget()&&bpmem.zmode.updateenable)?1:0;
u32 zBufRenderToCol0 = Renderer::GetRenderMode()!=Renderer::RM_Normal;
uid.values[0] = (u32)bpmem.genMode.numtevstages|((u32)bpmem.genMode.numindstages<<4)|((u32)bpmem.genMode.numtexgens<<7)
|((u32)bpmem.dstalpha.enable<<11)|((u32)((bpmem.alphaFunc.hex>>16)&0xff)<<12)|(projtexcoords<<20)|((u32)bpmem.ztex2.op<<28)
|(zbufrender<<30)|(zBufRenderToCol0<<31);
s_curuid.values[0] = (s_curuid.values[0]&~0x0ff00000)|(projtexcoords<<20);
// swap table
for(int i = 0; i < 8; i += 2)
((u8*)&uid.values[1])[i/2] = (bpmem.tevksel[i].hex&0xf)|((bpmem.tevksel[i+1].hex&0xf)<<4);
uid.values[2] = s_texturemask;
int hdr = 3;
u32* pcurvalue = &uid.values[hdr];
for(u32 i = 0; i < bpmem.genMode.numtevstages+1; ++i) {
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[i].colorC;
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[i].alphaC;
u32 val0 = cc.hex&0xffffff;
u32 val1 = ac.hex&0xffffff;
val0 |= bpmem.tevksel[i/2].getKC(i&1)<<24;
val1 |= bpmem.tevksel[i/2].getKA(i&1)<<24;
pcurvalue[0] = val0;
pcurvalue[1] = val1;
pcurvalue+=2;
}
for(u32 i = 0; i < (bpmem.genMode.numtevstages+1)/2; ++i) {
u32 val0, val1;
if( bpmem.tevorders[i].hex&0x40 ) val0 = bpmem.tevorders[i].hex&0x3ff;
else val0 = bpmem.tevorders[i].hex&0x380;
if( bpmem.tevorders[i].hex&0x40000 ) val1 = (bpmem.tevorders[i].hex&0x3ff000)>>12;
else val1 = (bpmem.tevorders[i].hex&0x380000)>>12;
switch(i % 3) {
case 0: pcurvalue[0] = val0|(val1<<10); break;
case 1: pcurvalue[0] |= val0<<20; pcurvalue[1] = val1; pcurvalue++; break;
case 2: pcurvalue[1] |= (val0<<10)|(val1<<20); pcurvalue++; break;
}
}
if( (bpmem.genMode.numtevstages+1)&1 ) { // odd
u32 val0;
if( bpmem.tevorders[bpmem.genMode.numtevstages/2].hex&0x40 ) val0 = bpmem.tevorders[bpmem.genMode.numtevstages/2].hex&0x3ff;
else val0 = bpmem.tevorders[bpmem.genMode.numtevstages/2].hex&0x380;
switch(bpmem.genMode.numtevstages % 3) {
case 0: pcurvalue[0] = val0; break;
case 1: pcurvalue[0] |= val0<<20; break;
case 2: pcurvalue[1] |= (val0<<10); pcurvalue++; break;
}
}
if( (bpmem.genMode.numtevstages % 3) != 2 )
++pcurvalue;
uid.tevstages = (u32)(pcurvalue-&uid.values[0]-hdr);
for(u32 i = 0; i < bpmem.genMode.numindstages; ++i) {
u32 val = bpmem.tevind[i].hex&0x1fffff; // 21 bits
switch(i%3) {
case 0: pcurvalue[0] = val; break;
case 1: pcurvalue[0] |= val<<21; pcurvalue[1] = val>>11; ++pcurvalue; break;
case 2: pcurvalue[0] |= val<<10; ++pcurvalue; break;
}
}
uid.indstages = (u32)(pcurvalue-&uid.values[0]-2-uid.tevstages);
}
#define WRITE p+=sprintf
const char *swapColors = "rgba";
char swapModeTable[4][5];
void BuildSwapModeTable()
{
//bpmem.tevregs[0].
for (int i=0; i<4; i++)
{
swapModeTable[i][0]=swapColors[bpmem.tevksel[i*2].swap1];
swapModeTable[i][1]=swapColors[bpmem.tevksel[i*2].swap2];
swapModeTable[i][2]=swapColors[bpmem.tevksel[i*2+1].swap1];
swapModeTable[i][3]=swapColors[bpmem.tevksel[i*2+1].swap2];
swapModeTable[i][4]=0;
}
}
static char text[16384];
bool PixelShaderMngr::GeneratePixelShader(FRAGMENTSHADER& ps)
{
DVSTARTPROFILE();
BuildSwapModeTable();
int numStages = bpmem.genMode.numtevstages + 1;
int numTexgen = bpmem.genMode.numtexgens;
char *p = text;
WRITE(p,"//Pixel Shader for TEV stages\n");
WRITE(p,"//%i TEV stages, %i texgens, %i IND stages\n",
numStages,numTexgen,bpmem.genMode.numindstages);
bool bRenderZ = Renderer::GetZBufferTarget() != 0 && bpmem.zmode.updateenable;
bool bOutputZ = bpmem.ztex2.op != ZTEXTURE_DISABLE;
bool bInputZ = bpmem.ztex2.op==ZTEXTURE_ADD || bRenderZ;
bool bRenderZToCol0 = Renderer::GetRenderMode()!=Renderer::RM_Normal; // output z and alpha to color0
assert( !bRenderZToCol0 || bRenderZ );
int ztexcoord = -1;
if( bInputZ )
ztexcoord = numTexgen == 0 ? 0 : numTexgen-1;
int nIndirectStagesUsed = 0;
if( bpmem.genMode.numindstages > 0 ) {
for(int i = 0; i < numStages; ++i) {
if( bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages ) {
nIndirectStagesUsed |= 1<<bpmem.tevind[i].bt;
}
}
}
// samplers
if( s_texturemask ) {
WRITE(p,"uniform samplerRECT ");
bool bfirst = true;
for(int i = 0; i < 8; ++i) {
if( s_texturemask & (1<<i) ) {
WRITE(p, "%s samp%d : register(s%d)", bfirst?"":",", i, i);
bfirst = false;
}
}
WRITE(p, ";\n");
}
if( s_texturemask != 0xff ) {
WRITE(p,"uniform sampler2D ");
bool bfirst = true;
for(int i = 0; i < 8; ++i) {
if( !(s_texturemask & (1<<i)) ) {
WRITE(p, "%s samp%d : register(s%d)", bfirst?"":",",i, i);
bfirst = false;
}
}
WRITE(p, ";\n");
}
WRITE(p, "\n");
WRITE(p,"uniform float4 "I_COLORS"[4] : register(c%d);\n", C_COLORS);
WRITE(p, "uniform float4 "I_KCOLORS"[4] : register(c%d);\n", C_KCOLORS);
WRITE(p, "uniform float4 "I_ALPHA"[1] : register(c%d);\n", C_ALPHA);
WRITE(p, "uniform float4 "I_TEXDIMS"[8] : register(c%d);\n", C_TEXDIMS);
WRITE(p, "uniform float4 "I_ZBIAS"[2] : register(c%d);\n", C_ZBIAS);
WRITE(p, "uniform float4 "I_INDTEXSCALE"[2] : register(c%d);\n", C_INDTEXSCALE);
WRITE(p, "uniform float4 "I_INDTEXMTX"[6] : register(c%d);\n", C_INDTEXMTX);
WRITE(p,"void main(\n");
WRITE(p, "out half4 ocol0 : COLOR0,\n");
if( bRenderZ && !bRenderZToCol0 )
WRITE(p, "out half4 ocol1 : COLOR1,\n");
if( bOutputZ )
WRITE(p," out float depth : DEPTH,\n");
// if zcoord might come from vertex shader in texcoord
if( bInputZ ) {
if (numTexgen) {
for(int i = 0; i < numTexgen; ++i)
WRITE(p," in float%d uv%d : TEXCOORD%d, \n", i==ztexcoord?4:3, i,i);
}
else
WRITE(p," in float4 uv0 : TEXCOORD0,"); //HACK
}
else {
if (numTexgen) {
for(int i = 0; i < numTexgen; ++i)
WRITE(p," in float3 uv%d : TEXCOORD%d,\n",i,i);
}
else
WRITE(p," in float3 uv0 : TEXCOORD0,\n"); //HACK
}
WRITE(p, " in float4 colors[2] : COLOR0){\n");
char* pmainstart = p;
WRITE(p,"float4 c0="I_COLORS"[1],c1="I_COLORS"[2],c2="I_COLORS"[3],prev=float4(0.0f,0.0f,0.0f,0.0f),textemp,rastemp,konsttemp=float4(0.0f,0.0f,0.0f,0.0f);\n"
"float3 comp16 = float3(1,255,0), comp24 = float3(1,255,255*255);\n"
"float4 alphabump=0;\n"
"float3 tevcoord;\n"
"float2 wrappedcoord, tempcoord;\n");
//if( bOutputZ ) WRITE(p," float depth;\n");
// WRITE(p, "return 1;}\n");
// return PixelShaderMngr::CompilePixelShader(ps, text);
// indirect texture map lookup
for(u32 i = 0; i < bpmem.genMode.numindstages; ++i) {
if( nIndirectStagesUsed & (1<<i) ) {
// perform indirect texture map lookup
// note that we have to scale by the regular texture map's coordinates since this is a texRECT call
// (and we have to match with the game's texscale calls)
int texcoord = bpmem.tevindref.getTexCoord(i);
if( s_texturemask & (1<<bpmem.tevindref.getTexMap(i)) ) {
// TODO - Buggy? "Too many arguments for format"
WRITE(p, "float2 induv%d=uv%d.xy * "I_INDTEXSCALE"[%d].%s;\n", i, texcoord, i/2, (i&1)?"zw":"xy",bpmem.tevindref.getTexMap(i));
char str[16];
sprintf(str, "induv%d", i);
WrapNonPow2Tex(p, str, bpmem.tevindref.getTexMap(i));
WRITE(p,"float3 indtex%d=texRECT(samp%d,induv%d.xy).abg;\n", i, bpmem.tevindref.getTexMap(i), i);
}
else {
WRITE(p,"float3 indtex%d=tex2D(samp%d,uv%d.xy*"I_INDTEXSCALE"[%d].%s).abg;\n", i, bpmem.tevindref.getTexMap(i), texcoord, i/2, (i&1)?"zw":"xy");
}
}
}
for (int i=0; i<numStages; i++)
WriteStage(p,i); //build the equation for this stage
if( bOutputZ ) {
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
if( bpmem.ztex2.op == ZTEXTURE_ADD ) {
WRITE(p, "depth = frac(dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w + uv%d.w);\n", ztexcoord);
}
else {
_assert_(bpmem.ztex2.op == ZTEXTURE_REPLACE);
WRITE(p, "depth = frac(dot("I_ZBIAS"[0].xyz, textemp.xyz) + "I_ZBIAS"[0].w);\n");
}
}
//if( bpmem.genMode.numindstages ) WRITE(p, "prev.rg = indtex0.xy;\nprev.b = 0;\n");
if( !WriteAlphaTest(p) ) {
// alpha test will always fail, so restart the shader and just make it an empty function
p = pmainstart;
WRITE(p, "ocol0 = 0;\n");
}
else {
if( !bRenderZToCol0 ) {
if (bpmem.dstalpha.enable)
WRITE(p," ocol0 = float4(prev.rgb,"I_ALPHA"[0].w);\n");
else
WRITE(p," ocol0 = prev;\n");
}
}
if( bRenderZ ) {
// write depth as color
if( bRenderZToCol0 ) {
if( bOutputZ )
WRITE(p, "ocol0.xyz = frac(float3(256.0f*256.0f, 256.0f, 1.0f) * depth);\n");
else
WRITE(p, "ocol0.xyz = frac(float3(256.0f*256.0f, 256.0f, 1.0f) * uv%d.w);\n", ztexcoord);
WRITE(p, "ocol0.w = prev.w;\n");
}
else {
if( bOutputZ )
WRITE(p, "ocol1 = frac(float4(256.0f*256.0f, 256.0f, 1.0f, 0.0f) * depth);\n");
else
WRITE(p, "ocol1 = frac(float4(256.0f*256.0f, 256.0f, 1.0f, 0.0f) * uv%d.w);\n", ztexcoord);
}
}
WRITE(p,"}\n\0");
return PixelShaderMngr::CompilePixelShader(ps, text);
}
void WriteStage(char *&p, int n)
{
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
int colchan = bpmem.tevorders[n/2].getColorChan(n&1);
int texcoord = bpmem.tevorders[n/2].getTexCoord(n&1);
int texfun = xfregs.texcoords[texcoord].texmtxinfo.projection;
bool bHasIndStage = bpmem.tevind[n].IsActive() && bpmem.tevind[n].bt < bpmem.genMode.numindstages;
if( bHasIndStage ) {
// perform the indirect op on the incoming regular coordinates using indtex%d as the offset coords
bHasIndStage = true;
int texmap = bpmem.tevorders[n/2].getEnable(n&1) ? bpmem.tevorders[n/2].getTexMap(n&1) : bpmem.tevindref.getTexMap(bpmem.tevind[n].bt);
if( bpmem.tevind[n].bs != ITBA_OFF )
// write the bump alpha
WRITE(p, "alphabump = %s (indtex%d.%s %s);\n", bpmem.tevind[n].fmt==ITF_8?"":"frac", bpmem.tevind[n].bt,
tevIndAlphaSel[bpmem.tevind[n].bs], tevIndAlphaScale[bpmem.tevind[n].fmt]);
// bias
WRITE(p, "float3 indtevcrd%d = indtex%d;\n", n, bpmem.tevind[n].bt);
WRITE(p, "indtevcrd%d.xy *= %s;\n", n, tevIndFmtScale[bpmem.tevind[n].fmt]);
if( bpmem.tevind[n].bias != ITB_NONE )
WRITE(p, "indtevcrd%d.%s += %s;\n", n, tevIndBiasField[bpmem.tevind[n].bias], tevIndBiasAdd[bpmem.tevind[n].fmt]);
// multiply by offset matrix and scale
if( bpmem.tevind[n].mid != 0 ) {
if( bpmem.tevind[n].mid <= 3 ) {
int mtxidx = 2*(bpmem.tevind[n].mid-1);
WRITE(p, "float2 indtevtrans%d = float2(dot("I_INDTEXMTX"[%d].xyz, indtevcrd%d), dot("I_INDTEXMTX"[%d].xyz, indtevcrd%d));\n",
n, mtxidx, n, mtxidx+1, n);
}
else if( bpmem.tevind[n].mid <= 5 ) { // s matrix
int mtxidx = 2*(bpmem.tevind[n].mid-5);
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.xx;\n", n, mtxidx, texcoord, n);
}
else if( bpmem.tevind[n].mid <= 9 ) { // t matrix
int mtxidx = 2*(bpmem.tevind[n].mid-9);
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.yy;\n", n, mtxidx, texcoord, n);
}
else {
WRITE(p, "float2 indtevtrans%d = 0;\n", n, n);
}
}
else {
WRITE(p, "float2 indtevtrans%d = 0;\n", n, n);
}
// wrapping
if( !bpmem.tevorders[n/2].getEnable(n&1) || (s_texturemask & (1<<texmap)) ) {
// non pow2
if( bpmem.tevind[n].sw != ITW_OFF || bpmem.tevind[n].tw != ITW_OFF ) {
if( bpmem.tevind[n].sw == ITW_0 ) {
if( bpmem.tevind[n].tw == ITW_0 ) {
// zero out completely
WRITE(p, "wrappedcoord = float2(0.0f,0.0f);\n");
}
else {
WRITE(p, "wrappedcoord.x = fmod( (uv%d.x+%s)*"I_TEXDIMS"[%d].x*"I_TEXDIMS"[%d].z, %s);\n"
"wrappedcoord.y = 0;\n", texcoord, tevIndWrapStart[bpmem.tevind[n].sw], texmap, texmap, tevIndWrapStart[bpmem.tevind[n].sw]);
}
}
else if( bpmem.tevind[n].tw == ITW_0 ) {
WRITE(p, "wrappedcoord.y = fmod( (uv%d.y+%s)*"I_TEXDIMS"[%d].y*"I_TEXDIMS"[%d].w, %s);\n"
"wrappedcoord.x = 0;\n", texcoord, tevIndWrapStart[bpmem.tevind[n].tw], texmap, texmap, tevIndWrapStart[bpmem.tevind[n].tw]);
}
else {
WRITE(p, "wrappedcoord = fmod( (uv%d.xy+float2(%s,%s))*"I_TEXDIMS"[%d].xy*"I_TEXDIMS"[%d].zw, float2(%s,%s));\n", texcoord,
tevIndWrapStart[bpmem.tevind[n].sw], tevIndWrapStart[bpmem.tevind[n].tw],texmap,texmap,
tevIndWrapStart[bpmem.tevind[n].sw], tevIndWrapStart[bpmem.tevind[n].tw]);
}
}
else {
WRITE(p, "wrappedcoord = uv%d.xy*"I_TEXDIMS"[%d].xy;\n", texcoord, texmap);
}
}
else {
// pow of 2
WRITE(p, "indtevtrans%d.xy *= "I_TEXDIMS"[%d].xy * "I_TEXDIMS"[%d].zw;\n", n, texmap, texmap);
// mult by bitdepth / tex dimensions
if( bpmem.tevind[n].sw != ITW_OFF || bpmem.tevind[n].tw != ITW_OFF ) {
if( bpmem.tevind[n].sw == ITW_0 ) {
if( bpmem.tevind[n].tw == ITW_0 ) {
// zero out completely
WRITE(p, "wrappedcoord = float2(0.0f,0.0f);\n");
}
else {
WRITE(p, "wrappedcoord.x = "I_TEXDIMS"[%d].x * fmod( uv%d.x+%s, "I_TEXDIMS"[%d].z*%s);\n"
"wrappedcoord.y = 0;\n", texmap, texcoord, tevIndWrapStart[bpmem.tevind[n].sw], texmap, tevIndWrapStart[bpmem.tevind[n].sw]);
}
}
else if( bpmem.tevind[n].tw == ITW_0 ) {
WRITE(p, "wrappedcoord.y = "I_TEXDIMS"[%d].y * fmod( uv%d.y+%s, "I_TEXDIMS"[%d].w*%s);\n"
"wrappedcoord.x = 0;\n", texmap, texcoord, tevIndWrapStart[bpmem.tevind[n].tw], texmap, tevIndWrapStart[bpmem.tevind[n].tw]);
}
else {
// have to add an offset or else might get negative values!
WRITE(p, "wrappedcoord = "I_TEXDIMS"[%d].xy * fmod( uv%d.xy+float2(%s,%s), "I_TEXDIMS"[%d].zw*float2(%s,%s));\n", texmap, texcoord,
tevIndWrapStart[bpmem.tevind[n].sw], tevIndWrapStart[bpmem.tevind[n].tw], texmap,
tevIndWrapStart[bpmem.tevind[n].sw], tevIndWrapStart[bpmem.tevind[n].tw]);
}
}
else {
WRITE(p, "wrappedcoord = uv%d.xy;\n", texcoord);
}
}
if( bpmem.tevind[n].fb_addprev ) {
// add previous tevcoord
if( texfun == XF_TEXPROJ_STQ ) {
WRITE(p,"tevcoord.xy += wrappedcoord/uv%d.z + indtevtrans%d;\n", texcoord, n);
//WRITE(p,"tevcoord.z += uv%d.z;\n", texcoord);
}
else {
WRITE(p,"tevcoord.xy += wrappedcoord + indtevtrans%d;\n", n);
}
}
else {
WRITE(p,"tevcoord.xy = wrappedcoord/uv%d.z + indtevtrans%d;\n", texcoord, n);
//if( texfun == XF_TEXPROJ_STQ )
// WRITE(p,"tevcoord.z = uv%d.z;\n", texcoord);
}
}
WRITE(p,"rastemp=%s.%s;\n",tevRasTable[bpmem.tevorders[n/2].getColorChan(n&1)],rasswap);
if (bpmem.tevorders[n/2].getEnable(n&1)) {
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
if(!bHasIndStage) {
// calc tevcord
if( s_texturemask & (1<<texmap) ) {
// nonpow2
if( texfun == XF_TEXPROJ_STQ )
WRITE(p,"tevcoord.xy = uv%d.xy / uv%d.z;\n", texcoord, texcoord);
else
WRITE(p,"tevcoord.xy = uv%d.xy;\n", texcoord);
WrapNonPow2Tex(p, "tevcoord", texmap);
}
else {
if( texfun == XF_TEXPROJ_STQ ) {
WRITE(p,"tevcoord.xy = "I_TEXDIMS"[%d].xy * uv%d.xy / uv%d.z;\n", texmap, texcoord, texcoord);
}
else {
WRITE(p,"tevcoord.xy = "I_TEXDIMS"[%d].xy * uv%d.xy;\n", texmap, texcoord);
}
}
}
else if( s_texturemask & (1<<texmap) ) {
// if non pow 2, have to manually repeat
//WrapNonPow2Tex(p, "tevcoord", texmap);
bool bwraps = !!(s_texturemask & (0x100<<texmap));
bool bwrapt = !!(s_texturemask & (0x10000<<texmap));
if( bwraps || bwrapt ) {
const char* field = bwraps ? (bwrapt ? "xy" : "x") : "y";
WRITE(p, "tevcoord.%s = fmod(tevcoord.%s+32*"I_TEXDIMS"[%d].%s,"I_TEXDIMS"[%d].%s);\n", field, field, texmap, field, texmap, field);
}
}
if( s_texturemask & (1<<texmap) )
WRITE(p,"textemp=texRECT(samp%d,tevcoord.xy).%s;\n", texmap, texswap);
else
WRITE(p,"textemp=tex2D(samp%d,tevcoord.xy).%s;\n", texmap, texswap);
}
else
WRITE(p,"textemp=float4(1,1,1,1);\n");
int kc = bpmem.tevksel[n/2].getKC(n&1);
int ka = bpmem.tevksel[n/2].getKA(n&1);
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[n].colorC;
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[n].alphaC;
bool bCKonst = cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST;
bool bAKonst = ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST;
if( bCKonst || bAKonst )
WRITE(p,"konsttemp=float4(%s,%s);\n",tevKSelTableC[kc],tevKSelTableA[ka]);
WRITE(p,"%s= ", tevCOutputTable[cc.dest]);
// combine the color channel
if (cc.bias != 3) { // if not compare
//normal color combiner goes here
WRITE(p," %s*(%s%s",tevScaleTable[cc.shift],tevCInputTable[cc.d],tevOpTable[cc.op]);
WRITE(p,"lerp(%s,%s,%s) %s);\n",
tevCInputTable[cc.a],tevCInputTable[cc.b],
tevCInputTable[cc.c],tevBiasTable[cc.bias]);
}
else {
int cmp = (cc.shift<<1)|cc.op|8; // comparemode stored here
switch(cmp) {
case TEVCMP_R8_GT:
case TEVCMP_RGB8_GT: // per component compares
WRITE(p," %s + ((%s.%s > %s.%s) ? %s : float3(0.0f,0.0f,0.0f));\n",
tevCInputTable[cc.d],tevCInputTable2[cc.a], cmp==TEVCMP_R8_GT?"r":"rgb", tevCInputTable2[cc.b], cmp==TEVCMP_R8_GT?"r":"rgb", tevCInputTable[cc.c]);
break;
case TEVCMP_R8_EQ:
case TEVCMP_RGB8_EQ:
WRITE(p," %s + (abs(%s.r - %s.r)<%f ? %s : float3(0.0f,0.0f,0.0f));\n",
tevCInputTable[cc.d],tevCInputTable2[cc.a], tevCInputTable2[cc.b],epsilon,tevCInputTable[cc.c]);
break;
case TEVCMP_GR16_GT: // 16 bit compares: 255*g+r (probably used for ztextures, so make sure in ztextures, g is the most significant byte)
case TEVCMP_BGR24_GT: // 24 bit compares: 255*255*b+255*g+r
WRITE(p," %s + (( dot(%s.rgb-%s.rgb, comp%s) > 0) ? %s : float3(0.0f,0.0f,0.0f));\n",
tevCInputTable[cc.d],tevCInputTable2[cc.a], tevCInputTable2[cc.b], cmp==TEVCMP_GR16_GT?"16":"24", tevCInputTable[cc.c]);
break;
case TEVCMP_GR16_EQ:
case TEVCMP_BGR24_EQ:
WRITE(p," %s + (abs(dot(%s.rgb - %s.rgb, comp%s))<%f ? %s : float3(0.0f,0.0f,0.0f));\n",
tevCInputTable[cc.d],tevCInputTable2[cc.a], tevCInputTable2[cc.b],cmp==TEVCMP_GR16_GT?"16":"24",epsilon,tevCInputTable[cc.c]);
break;
default:
WRITE(p,"float3(0.0f,0.0f,0.0f);\n");
break;
}
}
if( cc.clamp )
WRITE(p, "%s = clamp(%s,0.0f,1.0f);\n", tevCOutputTable[cc.dest],tevCOutputTable[cc.dest]);
// combine the alpha channel
WRITE(p,"%s= ", tevAOutputTable[ac.dest]);
if (ac.bias != 3) { // if not compare
//normal alpha combiner goes here
WRITE(p," %s*(%s%s",tevScaleTable[ac.shift],tevAInputTable[ac.d],tevOpTable[ac.op]);
WRITE(p,"lerp(%s,%s,%s) %s)\n",
tevAInputTable[ac.a],tevAInputTable[ac.b],
tevAInputTable[ac.c],tevBiasTable[ac.bias]);
}
else {
//compare alpha combiner goes here
int cmp = (ac.shift<<1)|ac.op|8; // comparemode stored here
switch(cmp) {
case TEVCMP_R8_GT:
case TEVCMP_A8_GT:
WRITE(p," %s + ((%s.%s > %s.%s) ? %s : 0)\n",
tevAInputTable[ac.d],tevAInputTable2[ac.a], cmp==TEVCMP_R8_GT?"r":"a", tevAInputTable2[ac.b], cmp==TEVCMP_R8_GT?"r":"a", tevAInputTable[ac.c]);
break;
case TEVCMP_R8_EQ:
case TEVCMP_A8_EQ:
WRITE(p," %s + (abs(%s.r - %s.r)<%f ? %s : 0)\n",
tevAInputTable[ac.d],tevAInputTable2[ac.a], tevAInputTable2[ac.b],epsilon,tevAInputTable[ac.c]);
break;
case TEVCMP_GR16_GT: // 16 bit compares: 255*g+r (probably used for ztextures, so make sure in ztextures, g is the most significant byte)
case TEVCMP_BGR24_GT: // 24 bit compares: 255*255*b+255*g+r
WRITE(p," %s + (( dot(%s.rgb-%s.rgb, comp%s) > 0) ? %s : 0)\n",
tevAInputTable[ac.d],tevAInputTable2[ac.a], tevAInputTable2[ac.b], cmp==TEVCMP_GR16_GT?"16":"24", tevAInputTable[ac.c]);
break;
case TEVCMP_GR16_EQ:
case TEVCMP_BGR24_EQ:
WRITE(p," %s + (abs(dot(%s.rgb - %s.rgb, comp%s))<%f ? %s : 0)\n",
tevAInputTable[ac.d],tevAInputTable2[ac.a], tevAInputTable2[ac.b],cmp==TEVCMP_GR16_GT?"16":"24",epsilon,tevAInputTable[ac.c]);
break;
default:
WRITE(p,"0)\n");
break;
}
}
WRITE(p,";\n");
if( ac.clamp )
WRITE(p, "%s = clamp(%s,0.0f,1.0f);\n", tevAOutputTable[ac.dest],tevAOutputTable[ac.dest]);
WRITE(p, "\n");
}
void WrapNonPow2Tex(char* &p, const char* var, int texmap)
{
_assert_(s_texturemask & (1<<texmap));
bool bwraps = !!(s_texturemask & (0x100<<texmap));
bool bwrapt = !!(s_texturemask & (0x10000<<texmap));
if( bwraps || bwrapt ) {
const char* field = bwraps ? (bwrapt ? "xy" : "x") : "y";
const char* wrapfield = bwraps ? (bwrapt ? "zw" : "z") : "w";
WRITE(p, "%s.%s = "I_TEXDIMS"[%d].%s*frac(%s.%s*"I_TEXDIMS"[%d].%s+32);\n", var, field, texmap, field, var, field, texmap, wrapfield);
if( !bwraps )
WRITE(p, "%s.x *= "I_TEXDIMS"[%d].x * "I_TEXDIMS"[%d].z;\n", var, texmap, texmap);
if( !bwrapt )
WRITE(p, "%s.y *= "I_TEXDIMS"[%d].y * "I_TEXDIMS"[%d].w;\n", var, texmap, texmap);
}
else {
WRITE(p, "%s.xy *= "I_TEXDIMS"[%d].xy * "I_TEXDIMS"[%d].zw;\n", var, texmap, texmap);
}
}
const char *alphaRef[2] =
{
I_ALPHA"[0].x",
I_ALPHA"[0].y"
};
void WriteAlphaCompare(char *&p, int num, int comp)
{
switch(comp) {
case ALPHACMP_ALWAYS: WRITE(p,"(false)"); break;
case ALPHACMP_NEVER: WRITE(p,"(true)"); break;
case ALPHACMP_LEQUAL: WRITE(p,"(prev.a > %s)",alphaRef[num]); break;
case ALPHACMP_LESS: WRITE(p,"(prev.a >= %s+%f)",alphaRef[num],epsilon*0.5f);break;
case ALPHACMP_GEQUAL: WRITE(p,"(prev.a < %s)",alphaRef[num]); break;
case ALPHACMP_GREATER: WRITE(p,"(prev.a <= %s - %f)",alphaRef[num],epsilon*0.5f);break;
case ALPHACMP_EQUAL: WRITE(p,"(abs(prev.a-%s)>%f)",alphaRef[num],epsilon*2); break;
case ALPHACMP_NEQUAL: WRITE(p,"(abs(prev.a-%s)<%f)",alphaRef[num],epsilon*2); break;
}
}
bool WriteAlphaTest(char *&p)
{
u32 op = bpmem.alphaFunc.logic;
u32 comp[2] = {bpmem.alphaFunc.comp0,bpmem.alphaFunc.comp1};
//first kill all the simple cases
switch(op) {
case 0: // and
if (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) return true;
if (comp[0] == ALPHACMP_NEVER || comp[1] == ALPHACMP_NEVER) {
WRITE(p, "discard;\n");
return false;
}
break;
case 1: // or
if (comp[0] == ALPHACMP_ALWAYS || comp[1] == ALPHACMP_ALWAYS) return true;
if (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER) {
WRITE(p, "discard;\n");
return false;
}
break;
case 2: // xor
if ( (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS) ) return true;
if ( (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER) ) {
WRITE(p, "discard;\n");
return false;
}
break;
case 3: // xnor
if ( (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS) ) {
WRITE(p, "discard;\n");
return false;
}
if ( (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER) )
return true;
break;
}
bool bFirst = false;
WRITE(p, "discard( ");
WriteAlphaCompare(p, 0, bpmem.alphaFunc.comp0);
// negated because testing the inverse condition
switch(bpmem.alphaFunc.logic) {
case 0: WRITE(p, " || "); break; // and
case 1: WRITE(p, " && "); break; // or
case 2: WRITE(p, " == "); break; // xor
case 3: WRITE(p, " != "); break; // xnor
}
WriteAlphaCompare(p, 1, bpmem.alphaFunc.comp1);
WRITE(p, ");\n");
return true;
}
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