2008-12-26 11:23:59 +00:00
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// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "Globals.h"
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#include "Profiler.h"
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2009-01-30 07:35:47 +00:00
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#include "GLUtil.h"
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2008-12-26 11:23:59 +00:00
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#include <Cg/cg.h>
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#include <Cg/cgGL.h>
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#include <cmath>
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#include "Statistics.h"
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#include "Config.h"
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#include "ImageWrite.h"
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#include "Common.h"
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#include "Render.h"
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2008-12-26 17:33:53 +00:00
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#include "VertexShaderGen.h"
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2008-12-26 11:23:59 +00:00
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#include "PixelShaderCache.h"
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#include "PixelShaderManager.h"
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static int s_nMaxPixelInstructions;
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static GLuint s_ColorMatrixProgram = 0;
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PixelShaderCache::PSCache PixelShaderCache::pshaders;
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PIXELSHADERUID PixelShaderCache::s_curuid;
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static FRAGMENTSHADER* pShaderLast = NULL;
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void SetPSConstant4f(int const_number, float f1, float f2, float f3, float f4)
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{
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glProgramEnvParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, const_number, f1, f2, f3, f4);
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}
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void SetPSConstant4fv(int const_number, const float *f)
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{
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glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, const_number, f);
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}
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void PixelShaderCache::Init()
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{
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GL_REPORT_ERRORD();
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glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB, (GLint *)&s_nMaxPixelInstructions);
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int maxinst, maxattribs;
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glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, (GLint *)&maxinst);
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glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB, (GLint *)&maxattribs);
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ERROR_LOG("pixel max_alu=%d, max_inst=%d, max_attrib=%d\n", s_nMaxPixelInstructions, maxinst, maxattribs);
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char pmatrixprog[1024];
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sprintf(pmatrixprog, "!!ARBfp1.0"
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"TEMP R0;\n"
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"TEMP R1;\n"
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"TEX R0, fragment.texcoord[0], texture[0], RECT;\n"
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"DP4 R1.w, R0, program.env[%d];\n"
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"DP4 R1.z, R0, program.env[%d];\n"
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"DP4 R1.x, R0, program.env[%d];\n"
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"DP4 R1.y, R0, program.env[%d];\n"
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"ADD result.color, R1, program.env[%d];\n"
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"END\n", C_COLORMATRIX+3, C_COLORMATRIX+2, C_COLORMATRIX, C_COLORMATRIX+1, C_COLORMATRIX+4);
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glGenProgramsARB(1, &s_ColorMatrixProgram);
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glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, s_ColorMatrixProgram);
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glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)strlen(pmatrixprog), pmatrixprog);
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GLenum err = GL_NO_ERROR;
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GL_REPORT_ERROR();
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if (err != GL_NO_ERROR) {
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ERROR_LOG("Failed to create color matrix fragment program\n");
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glDeleteProgramsARB(1, &s_ColorMatrixProgram);
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s_ColorMatrixProgram = 0;
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}
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}
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void PixelShaderCache::Shutdown()
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{
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glDeleteProgramsARB(1, &s_ColorMatrixProgram);
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s_ColorMatrixProgram = 0;
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PSCache::iterator iter = pshaders.begin();
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for (; iter != pshaders.end(); iter++)
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iter->second.Destroy();
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pshaders.clear();
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}
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GLuint PixelShaderCache::GetColorMatrixProgram()
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{
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return s_ColorMatrixProgram;
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}
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FRAGMENTSHADER* PixelShaderCache::GetShader()
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{
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DVSTARTPROFILE();
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PIXELSHADERUID uid;
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u32 zbufrender = (Renderer::GetZBufferTarget() && bpmem.zmode.updateenable) ? 1 : 0;
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u32 zBufRenderToCol0 = Renderer::GetRenderMode() != Renderer::RM_Normal;
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GetPixelShaderId(uid, PixelShaderManager::GetTextureMask(), zbufrender, zBufRenderToCol0);
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PSCache::iterator iter = pshaders.find(uid);
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if (iter != pshaders.end()) {
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iter->second.frameCount = frameCount;
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PSCacheEntry &entry = iter->second;
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if (&entry.shader != pShaderLast)
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{
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pShaderLast = &entry.shader;
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}
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return pShaderLast;
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}
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PSCacheEntry& newentry = pshaders[uid];
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2008-12-26 17:26:18 +00:00
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const char *code = GeneratePixelShader(PixelShaderManager::GetTextureMask(),
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Renderer::GetZBufferTarget() != 0,
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Renderer::GetRenderMode() != Renderer::RM_Normal);
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2008-12-26 11:23:59 +00:00
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#if defined(_DEBUG) || defined(DEBUGFAST)
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if (g_Config.iLog & CONF_SAVESHADERS && code) {
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static int counter = 0;
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char szTemp[MAX_PATH];
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2009-02-04 17:33:59 +00:00
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sprintf(szTemp, "%s/ps_%04i.txt", FULL_DUMP_DIR, counter++);
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2008-12-26 11:23:59 +00:00
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SaveData(szTemp, code);
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}
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#endif
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// printf("Compiling pixel shader. size = %i\n", strlen(code));
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if (!code || !CompilePixelShader(newentry.shader, code)) {
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ERROR_LOG("failed to create pixel shader\n");
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return NULL;
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}
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//Make an entry in the table
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newentry.frameCount = frameCount;
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pShaderLast = &newentry.shader;
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INCSTAT(stats.numPixelShadersCreated);
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SETSTAT(stats.numPixelShadersAlive, pshaders.size());
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return pShaderLast;
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}
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void PixelShaderCache::Cleanup()
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{
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PSCache::iterator iter = pshaders.begin();
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while (iter != pshaders.end()) {
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PSCacheEntry &entry = iter->second;
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if (entry.frameCount < frameCount - 400) {
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entry.Destroy();
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#ifdef _WIN32
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iter = pshaders.erase(iter);
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#else
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pshaders.erase(iter++); // (this is gcc standard!)
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#endif
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}
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else
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iter++;
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}
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SETSTAT(stats.numPixelShadersAlive,(int)pshaders.size());
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}
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bool PixelShaderCache::CompilePixelShader(FRAGMENTSHADER& ps, const char* pstrprogram)
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{
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char stropt[64];
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sprintf(stropt, "MaxLocalParams=32,NumInstructionSlots=%d", s_nMaxPixelInstructions);
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const char* opts[] = {"-profileopts", stropt, "-O2", "-q", NULL};
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CGprogram tempprog = cgCreateProgram(g_cgcontext, CG_SOURCE, pstrprogram, g_cgfProf, "main", opts);
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if (!cgIsProgram(tempprog) || cgGetError() != CG_NO_ERROR) {
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ERROR_LOG("Failed to create ps %s:\n", cgGetLastListing(g_cgcontext));
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ERROR_LOG(pstrprogram);
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return false;
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}
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char *pcompiledprog = (char*)cgGetProgramString(tempprog, CG_COMPILED_PROGRAM);
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char *plocal = strstr(pcompiledprog, "program.local");
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while (plocal != NULL) {
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const char* penv = " program.env";
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memcpy(plocal, penv, 13);
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plocal = strstr(plocal+13, "program.local");
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}
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if (Renderer::IsUsingATIDrawBuffers()) {
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// sometimes compilation can use ARB_draw_buffers, which would fail for ATI cards
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// replace the three characters ARB with ATI. TODO - check whether this is fixed in modern ATI drivers.
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char* poptions = strstr(pcompiledprog, "ARB_draw_buffers");
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if (poptions != NULL) {
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poptions[0] = 'A';
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poptions[1] = 'T';
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poptions[2] = 'I';
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}
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}
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glGenProgramsARB( 1, &ps.glprogid );
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glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, ps.glprogid );
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glProgramStringARB( GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)strlen(pcompiledprog), pcompiledprog);
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GLenum err = GL_NO_ERROR;
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GL_REPORT_ERROR();
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if (err != GL_NO_ERROR) {
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ERROR_LOG(pstrprogram);
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ERROR_LOG(pcompiledprog);
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}
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cgDestroyProgram(tempprog);
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// printf("Compiled pixel shader %i\n", ps.glprogid);
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#if defined(_DEBUG) || defined(DEBUGFAST)
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ps.strprog = pstrprogram;
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#endif
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return true;
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}
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