539 lines
17 KiB
C++
539 lines
17 KiB
C++
// 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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#include "GLUtil.h"
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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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#include "VertexShader.h"
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#include "PixelShaderManager.h"
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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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static int s_nMaxPixelInstructions;
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static int s_nColorsChanged[2]; // 0 - regular colors, 1 - k colors
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static int s_nIndTexMtxChanged = 0;
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static bool s_bAlphaChanged;
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static bool s_bZBiasChanged;
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static bool s_bIndTexScaleChanged;
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static float lastRGBAfull[2][4][4];
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static u8 s_nTexDimsChanged;
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static u32 lastAlpha = 0;
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static u32 lastTexDims[8]={0};
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static u32 lastZBias = 0;
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// lower byte describes if a texture is nonpow2 or pow2
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// next byte describes whether the repeat wrap mode is enabled for the s channel
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// next byte is for t channel
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static u32 s_texturemask = 0;
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static int maptocoord[8]; // indexed by texture map, holds the texcoord associated with the map
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static u32 maptocoord_mask = 0;
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static GLuint s_ColorMatrixProgram = 0;
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void SetPSConstant4f(int const_number, float f1, float f2, float f3, float f4) {
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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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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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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, s_texturemask, 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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char *code = GeneratePixelShader(s_texturemask,
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Renderer::GetZBufferTarget() != 0,
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Renderer::GetRenderMode() != Renderer::RM_Normal);
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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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sprintf(szTemp, "%s/ps_%04i.txt", g_Config.texDumpPath, counter++);
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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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void PixelShaderManager::Init()
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{
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s_nColorsChanged[0] = s_nColorsChanged[1] = 0;
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s_nTexDimsChanged = 0;
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s_nIndTexMtxChanged = 15;
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s_bAlphaChanged = s_bZBiasChanged = s_bIndTexScaleChanged = true;
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for (int i = 0; i < 8; ++i)
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maptocoord[i] = -1;
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maptocoord_mask = 0;
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memset(lastRGBAfull, 0, sizeof(lastRGBAfull));
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}
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void PixelShaderManager::Shutdown()
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{
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}
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void PixelShaderManager::SetConstants()
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{
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for (int i = 0; i < 2; ++i) {
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if (s_nColorsChanged[i]) {
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int baseind = i ? C_KCOLORS : C_COLORS;
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for (int j = 0; j < 4; ++j) {
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if (s_nColorsChanged[i] & (1 << j)) {
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SetPSConstant4fv(baseind+j, &lastRGBAfull[i][j][0]);
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}
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}
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s_nColorsChanged[i] = 0;
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}
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}
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u32 newmask = 0;
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for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages+1; ++i) {
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if (bpmem.tevorders[i/2].getEnable(i&1)) {
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int texmap = bpmem.tevorders[i/2].getTexMap(i&1);
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maptocoord[texmap] = bpmem.tevorders[i/2].getTexCoord(i&1);
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newmask |= 1 << texmap;
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SetTexDimsChanged(texmap);
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}
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}
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if (maptocoord_mask != newmask) {
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//u32 changes = maptocoord_mask ^ newmask;
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for (int i = 0; i < 8; ++i) {
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if (newmask & (1 << i)) {
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SetTexDimsChanged(i);
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}
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else {
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maptocoord[i] = -1;
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}
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}
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maptocoord_mask = newmask;
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}
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if (s_nTexDimsChanged) {
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for (int i = 0; i < 8; ++i) {
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if (s_nTexDimsChanged & (1<<i)) {
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SetPSTextureDims(i);
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}
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}
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s_nTexDimsChanged = 0;
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}
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if (s_bAlphaChanged) {
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SetPSConstant4f(C_ALPHA, (lastAlpha&0xff)/255.0f, ((lastAlpha>>8)&0xff)/255.0f, 0, ((lastAlpha>>16)&0xff)/255.0f);
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}
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if (s_bZBiasChanged) {
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u32 bits;
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float ffrac = 255.0f/256.0f;
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float ftemp[4];
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switch (bpmem.ztex2.type) {
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case 0:
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bits = 8;
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ftemp[0] = ffrac/(256.0f*256.0f); ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac; ftemp[3] = 0;
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break;
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case 1:
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bits = 16;
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ftemp[0] = 0; ftemp[1] = ffrac/(256.0f*256.0f); ftemp[2] = ffrac/256.0f; ftemp[3] = ffrac;
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break;
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case 2:
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bits = 24;
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ftemp[0] = ffrac/(256.0f*256.0f); ftemp[1] = ffrac/256.0f; ftemp[2] = ffrac; ftemp[3] = 0;
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break;
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}
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//ERROR_LOG("pixel=%x,%x, bias=%x\n", bpmem.zcontrol.pixel_format, bpmem.ztex2.type, lastZBias);
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SetPSConstant4fv(C_ZBIAS, ftemp);
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SetPSConstant4f(C_ZBIAS+1, 0, 0, 0, (float)( (((int)lastZBias<<8)>>8))/16777216.0f);
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}
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// indirect incoming texture scales, update all!
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if (s_bIndTexScaleChanged) {
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// set as two sets of vec4s, each containing S and T of two ind stages.
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float f[8];
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for (u32 i = 0; i < bpmem.genMode.numindstages; ++i) {
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int srctexmap = bpmem.tevindref.getTexMap(i);
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int texcoord = bpmem.tevindref.getTexCoord(i);
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TCoordInfo& tc = bpmem.texcoords[texcoord];
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f[2*i] = bpmem.texscale[i/2].getScaleS(i&1) *
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(float)(tc.s.scale_minus_1+1) / (float)(lastTexDims[srctexmap] & 0xffff);
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f[2*i+1] = bpmem.texscale[i/2].getScaleT(i&1) *
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(float)(tc.t.scale_minus_1+1) / (float)((lastTexDims[srctexmap] >> 16) & 0xfff);
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// Yes, the above should really be 0xfff. The top 4 bits are used for other stuff.
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PRIM_LOG("tex indscale%d: %f %f\n", i, f[2*i], f[2*i+1]);
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}
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SetPSConstant4fv(C_INDTEXSCALE, f);
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if (bpmem.genMode.numindstages > 2)
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SetPSConstant4fv(C_INDTEXSCALE+1, &f[4]);
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s_bIndTexScaleChanged = false;
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}
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if (s_nIndTexMtxChanged) {
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for (int i = 0; i < 3; ++i) {
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if (s_nIndTexMtxChanged & (1 << i)) {
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int scale = ((u32)bpmem.indmtx[i].col0.s0 << 0) |
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((u32)bpmem.indmtx[i].col1.s1 << 2) |
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((u32)bpmem.indmtx[i].col2.s2 << 4);
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float fscale = powf(2.0f, (float)(scale - 17)) / 1024.0f;
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// xyz - static matrix
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//TODO w - dynamic matrix scale / 256...... somehow / 4 works better
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SetPSConstant4f(C_INDTEXMTX+2*i,
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bpmem.indmtx[i].col0.ma * fscale,
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bpmem.indmtx[i].col1.mc * fscale,
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bpmem.indmtx[i].col2.me * fscale,
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fscale * 256.0f);
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SetPSConstant4f(C_INDTEXMTX+2*i+1,
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bpmem.indmtx[i].col0.mb * fscale,
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bpmem.indmtx[i].col1.md * fscale,
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bpmem.indmtx[i].col2.mf * fscale,
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fscale * 256.0f);
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PRIM_LOG("indmtx%d: scale=%f, mat=(%f %f %f; %f %f %f)\n", i,
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1024.0f*fscale, bpmem.indmtx[i].col0.ma * fscale, bpmem.indmtx[i].col1.mc * fscale, bpmem.indmtx[i].col2.me * fscale,
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bpmem.indmtx[i].col0.mb * fscale, bpmem.indmtx[i].col1.md * fscale, bpmem.indmtx[i].col2.mf * fscale, fscale);
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}
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}
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s_nIndTexMtxChanged = 0;
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}
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}
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void PixelShaderManager::SetPSTextureDims(int texid)
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{
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float fdims[4];
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if (s_texturemask & (1<<texid)) {
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if (maptocoord[texid] >= 0) {
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TCoordInfo& tc = bpmem.texcoords[maptocoord[texid]];
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fdims[0] = (float)(lastTexDims[texid]&0xffff);
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fdims[1] = (float)((lastTexDims[texid]>>16)&0xfff);
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fdims[2] = (float)(tc.s.scale_minus_1+1)/(float)(lastTexDims[texid]&0xffff);
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fdims[3] = (float)(tc.t.scale_minus_1+1)/(float)((lastTexDims[texid]>>16)&0xfff);
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}
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else {
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fdims[0] = (float)(lastTexDims[texid]&0xffff);
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fdims[1] = (float)((lastTexDims[texid]>>16)&0xfff);
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fdims[2] = 1.0f;
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fdims[3] = 1.0f;
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}
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}
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else {
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if (maptocoord[texid] >= 0) {
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TCoordInfo& tc = bpmem.texcoords[maptocoord[texid]];
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fdims[0] = (float)(tc.s.scale_minus_1+1)/(float)(lastTexDims[texid]&0xffff);
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fdims[1] = (float)(tc.t.scale_minus_1+1)/(float)((lastTexDims[texid]>>16)&0xfff);
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fdims[2] = 1.0f/(float)(tc.s.scale_minus_1+1);
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fdims[3] = 1.0f/(float)(tc.t.scale_minus_1+1);
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}
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else {
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fdims[0] = 1.0f;
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fdims[1] = 1.0f;
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fdims[2] = 1.0f/(float)(lastTexDims[texid]&0xffff);
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fdims[3] = 1.0f/(float)((lastTexDims[texid]>>16)&0xfff);
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}
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}
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PRIM_LOG("texdims%d: %f %f %f %f\n", texid, fdims[0], fdims[1], fdims[2], fdims[3]);
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SetPSConstant4fv(C_TEXDIMS + texid, fdims);
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}
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void PixelShaderManager::SetColorChanged(int type, int num)
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{
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int r = bpmem.tevregs[num].low.a;
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int a = bpmem.tevregs[num].low.b;
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int b = bpmem.tevregs[num].high.a;
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int 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 PixelShaderManager::SetAlpha(const AlphaFunc& alpha)
|
|
{
|
|
if ((alpha.hex & 0xffff) != lastAlpha) {
|
|
lastAlpha = (lastAlpha & ~0xffff) | (alpha.hex & 0xffff);
|
|
s_bAlphaChanged = true;
|
|
}
|
|
}
|
|
|
|
void PixelShaderManager::SetDestAlpha(const ConstantAlpha& alpha)
|
|
{
|
|
if (alpha.alpha != (lastAlpha >> 16)) {
|
|
lastAlpha = (lastAlpha & ~0xff0000) | ((alpha.hex & 0xff) << 16);
|
|
s_bAlphaChanged = true;
|
|
}
|
|
}
|
|
|
|
void PixelShaderManager::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;
|
|
s_nTexDimsChanged |= 1 << texmapid;
|
|
}
|
|
}
|
|
|
|
void PixelShaderManager::SetZTextureBias(u32 bias)
|
|
{
|
|
if (lastZBias != bias) {
|
|
s_bZBiasChanged = true;
|
|
lastZBias = bias;
|
|
}
|
|
}
|
|
|
|
void PixelShaderManager::SetIndTexScaleChanged()
|
|
{
|
|
s_bIndTexScaleChanged = true;
|
|
}
|
|
|
|
void PixelShaderManager::SetIndMatrixChanged(int matrixidx)
|
|
{
|
|
s_nIndTexMtxChanged |= 1 << matrixidx;
|
|
}
|
|
|
|
void PixelShaderManager::SetGenModeChanged()
|
|
{
|
|
}
|
|
|
|
void PixelShaderManager::SetTevCombinerChanged(int id)
|
|
{
|
|
}
|
|
|
|
void PixelShaderManager::SetTevKSelChanged(int id)
|
|
{
|
|
}
|
|
|
|
void PixelShaderManager::SetTevOrderChanged(int id)
|
|
{
|
|
}
|
|
|
|
void PixelShaderManager::SetTevIndirectChanged(int id)
|
|
{
|
|
}
|
|
|
|
void PixelShaderManager::SetZTextureOpChanged()
|
|
{
|
|
s_bZBiasChanged = true;
|
|
}
|
|
|
|
void PixelShaderManager::SetTexturesUsed(u32 nonpow2tex)
|
|
{
|
|
if (s_texturemask != nonpow2tex) {
|
|
for (int i = 0; i < 8; ++i) {
|
|
if (nonpow2tex & (0x10101 << i)) {
|
|
// this check was previously implicit, but should it be here?
|
|
if (s_nTexDimsChanged )
|
|
s_nTexDimsChanged |= 1 << i;
|
|
}
|
|
}
|
|
s_texturemask = nonpow2tex;
|
|
}
|
|
}
|
|
|
|
void PixelShaderManager::SetTexDimsChanged(int texmapid)
|
|
{
|
|
// this check was previously implicit, but should it be here?
|
|
if (s_nTexDimsChanged)
|
|
s_nTexDimsChanged |= 1 << texmapid;
|
|
|
|
SetIndTexScaleChanged();
|
|
}
|
|
|
|
void PixelShaderManager::SetColorMatrix(const float* pmatrix, const float* pfConstAdd)
|
|
{
|
|
SetPSConstant4fv(C_COLORMATRIX, pmatrix);
|
|
SetPSConstant4fv(C_COLORMATRIX+1, pmatrix+4);
|
|
SetPSConstant4fv(C_COLORMATRIX+2, pmatrix+8);
|
|
SetPSConstant4fv(C_COLORMATRIX+3, pmatrix+12);
|
|
SetPSConstant4fv(C_COLORMATRIX+4, pfConstAdd);
|
|
}
|
|
|
|
GLuint PixelShaderManager::GetColorMatrixProgram()
|
|
{
|
|
return s_ColorMatrixProgram;
|
|
}
|
|
|