472 lines
14 KiB
C++
472 lines
14 KiB
C++
// Copyright (C) 2003 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 <math.h>
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#include <assert.h>
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#include "Globals.h"
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#include "VideoConfig.h"
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#include "Statistics.h"
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#include "GLUtil.h"
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#include "Render.h"
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#include "VertexShaderGen.h"
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#include "VertexShaderManager.h"
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#include "ProgramShaderCache.h"
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#include "VertexShaderCache.h"
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#include "VertexManager.h"
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#include "VertexLoader.h"
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#include "XFMemory.h"
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#include "ImageWrite.h"
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#include "FileUtil.h"
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#include "Debugger.h"
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namespace OGL
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{
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VertexShaderCache::VSCache VertexShaderCache::vshaders;
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GLuint VertexShaderCache::CurrentShader;
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bool VertexShaderCache::ShaderEnabled;
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VertexShaderCache::VSCacheEntry* VertexShaderCache::last_entry = NULL;
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VERTEXSHADERUID VertexShaderCache::last_uid;
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static int s_nMaxVertexInstructions;
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void (*pSetVSConstant4f)(unsigned int, float, float, float, float);
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void (*pSetVSConstant4fv)(unsigned int, const float*);
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void (*pSetMultiVSConstant4fv)(unsigned int, unsigned int, const float*);
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void (*pSetMultiVSConstant3fv)(unsigned int, unsigned int, const float*);
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bool (*pCompileVertexShader)(VERTEXSHADER&, const char*);
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void VertexShaderCache::Init()
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{
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ShaderEnabled = true;
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CurrentShader = 0;
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last_entry = NULL;
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if(g_ActiveConfig.bUseGLSL)
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{
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pSetVSConstant4f = SetGLSLVSConstant4f;
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pSetVSConstant4fv = SetGLSLVSConstant4fv;
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pSetMultiVSConstant4fv = SetMultiGLSLVSConstant4fv;
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pSetMultiVSConstant3fv = SetMultiGLSLVSConstant3fv;
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pCompileVertexShader = CompileGLSLVertexShader;
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}
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else
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{
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pSetVSConstant4f = SetCGVSConstant4f;
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pSetVSConstant4fv = SetCGVSConstant4fv;
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pSetMultiVSConstant4fv = SetMultiCGVSConstant4fv;
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pSetMultiVSConstant3fv = SetMultiCGVSConstant3fv;
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pCompileVertexShader = CompileCGVertexShader;
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glEnable(GL_VERTEX_PROGRAM_ARB);
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}
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glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, (GLint *)&s_nMaxVertexInstructions);
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if (strstr((const char*)glGetString(GL_VENDOR), "Humper") != NULL) s_nMaxVertexInstructions = 4096;
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#if CG_VERSION_NUM == 2100
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if (strstr((const char*)glGetString(GL_VENDOR), "ATI") != NULL)
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{
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s_nMaxVertexInstructions = 4096;
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}
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#endif
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}
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void VertexShaderCache::Shutdown()
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{
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for (VSCache::iterator iter = vshaders.begin(); iter != vshaders.end(); ++iter)
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iter->second.Destroy();
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vshaders.clear();
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}
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VERTEXSHADER* VertexShaderCache::SetShader(u32 components)
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{
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VERTEXSHADERUID uid;
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GetVertexShaderId(&uid, components);
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if (last_entry)
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{
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if (uid == last_uid)
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{
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GFX_DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE, true);
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ValidateVertexShaderIDs(API_OPENGL, vshaders[uid].safe_uid, vshaders[uid].shader.strprog, components);
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return &last_entry->shader;
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}
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}
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last_uid = uid;
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VSCache::iterator iter = vshaders.find(uid);
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if (iter != vshaders.end())
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{
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VSCacheEntry &entry = iter->second;
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last_entry = &entry;
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GFX_DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE, true);
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ValidateVertexShaderIDs(API_OPENGL, entry.safe_uid, entry.shader.strprog, components);
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return &last_entry->shader;
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}
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// Make an entry in the table
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VSCacheEntry& entry = vshaders[uid];
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last_entry = &entry;
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const char *code = GenerateVertexShaderCode(components, g_ActiveConfig.bUseGLSL ? API_GLSL : API_OPENGL);
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GetSafeVertexShaderId(&entry.safe_uid, components);
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#if defined(_DEBUG) || defined(DEBUGFAST)
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if (g_ActiveConfig.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, "%svs_%04i.txt", File::GetUserPath(D_DUMP_IDX).c_str(), counter++);
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SaveData(szTemp, code);
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}
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#endif
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if (!code || !VertexShaderCache::CompileVertexShader(entry.shader, code)) {
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GFX_DEBUGGER_PAUSE_AT(NEXT_ERROR, true);
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return NULL;
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}
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INCSTAT(stats.numVertexShadersCreated);
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SETSTAT(stats.numVertexShadersAlive, vshaders.size());
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GFX_DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE, true);
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return &last_entry->shader;
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}
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bool VertexShaderCache::CompileVertexShader(VERTEXSHADER& vs, const char* pstrprogram)
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{
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return pCompileVertexShader(vs, pstrprogram);
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}
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void VertexShaderCache::DisableShader()
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{
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if(g_ActiveConfig.bUseGLSL)
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assert(true);
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if (ShaderEnabled)
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{
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glDisable(GL_VERTEX_PROGRAM_ARB);
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ShaderEnabled = false;
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}
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}
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void VertexShaderCache::SetCurrentShader(GLuint Shader)
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{
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if(g_ActiveConfig.bUseGLSL)
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assert(true);
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if (!ShaderEnabled)
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{
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glEnable(GL_VERTEX_PROGRAM_ARB);
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ShaderEnabled= true;
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}
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if (CurrentShader != Shader)
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{
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if(Shader != 0)
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CurrentShader = Shader;
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glBindProgramARB(GL_VERTEX_PROGRAM_ARB, CurrentShader);
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}
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}
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// GLSL Specific
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bool CompileGLSLVertexShader(VERTEXSHADER& vs, const char* pstrprogram)
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{
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GLuint result = glCreateShader(GL_VERTEX_SHADER);
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glShaderSource(result, 1, &pstrprogram, NULL);
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glCompileShader(result);
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GLsizei length = 0;
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glGetShaderiv(result, GL_INFO_LOG_LENGTH, &length);
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if (length > 0)
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{
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GLsizei charsWritten;
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GLchar* infoLog = new GLchar[length];
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glGetShaderInfoLog(result, length, &charsWritten, infoLog);
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WARN_LOG(VIDEO, "VS Shader info log:\n%s", infoLog);
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char szTemp[MAX_PATH];
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sprintf(szTemp, "vs_%d.txt", result);
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FILE *fp = fopen(szTemp, "wb");
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fwrite(pstrprogram, strlen(pstrprogram), 1, fp);
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fclose(fp);
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if(strstr(infoLog, "warning") != NULL || strstr(infoLog, "error") != NULL)
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exit(0);
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delete[] infoLog;
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}
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GLint compileStatus;
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glGetShaderiv(result, GL_COMPILE_STATUS, &compileStatus);
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if (compileStatus != GL_TRUE)
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{
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// Compile failed
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ERROR_LOG(VIDEO, "Shader compilation failed; see info log");
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// Don't try to use this shader
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glDeleteShader(result);
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return false;
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}
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(void)GL_REPORT_ERROR();
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vs.glprogid = result;
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vs.bGLSL = true;
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return true;
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}
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void SetVSConstant4fvByName(const char * name, unsigned int offset, const float *f, const unsigned int count = 1)
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{
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PROGRAMSHADER tmp = ProgramShaderCache::GetShaderProgram();
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for(int a = 0; a < NUM_UNIFORMS; ++a)
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if(!strcmp(name, UniformNames[a]))
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{
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if(tmp.UniformLocations[a] == -1)
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return;
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else
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{
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glUniform4fv(tmp.UniformLocations[a] + offset, count, f);
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return;
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}
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}
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}
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#define MAX_UNIFORM 0
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void SetGLSLVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
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{
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float buf[4];
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buf[0] = f1;
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buf[1] = f2;
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buf[2] = f3;
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buf[3] = f4;
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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{
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if(const_number < MAX_UNIFORM)
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ProgramShaderCache::SetUniformObjects(1, const_number, buf);
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//return;
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}
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for( unsigned int a = 0; a < 9; ++a)
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{
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if( const_number >= VSVar_Loc[a].reg && const_number < ( VSVar_Loc[a].reg + VSVar_Loc[a].size))
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{
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unsigned int offset = const_number - VSVar_Loc[a].reg;
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SetVSConstant4fvByName(VSVar_Loc[a].name, offset, buf);
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return;
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}
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}
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}
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void SetGLSLVSConstant4fv(unsigned int const_number, const float *f)
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{
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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{
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if(const_number < MAX_UNIFORM)
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ProgramShaderCache::SetUniformObjects(1, const_number, f);
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//return;
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}
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for( unsigned int a = 0; a < 9; ++a)
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{
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if( const_number >= VSVar_Loc[a].reg && const_number < ( VSVar_Loc[a].reg + VSVar_Loc[a].size))
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{
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unsigned int offset = const_number - VSVar_Loc[a].reg;
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SetVSConstant4fvByName(VSVar_Loc[a].name, offset, f);
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return;
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}
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}
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}
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void SetMultiGLSLVSConstant4fv(unsigned int const_number, unsigned int count, const float *f)
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{
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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{
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if(const_number < MAX_UNIFORM)
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ProgramShaderCache::SetUniformObjects(1, const_number, f, count);
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//return;
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}
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for( unsigned int a = 0; a < 9; ++a)
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{
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if( const_number >= VSVar_Loc[a].reg && const_number < ( VSVar_Loc[a].reg + VSVar_Loc[a].size))
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{
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unsigned int offset = const_number - VSVar_Loc[a].reg;
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SetVSConstant4fvByName(VSVar_Loc[a].name, offset, f, count);
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return;
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}
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}
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}
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void SetMultiGLSLVSConstant3fv(unsigned int const_number, unsigned int count, const float *f)
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{
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float buf[4 * C_VENVCONST_END];
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for (unsigned int i = 0; i < count; i++)
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{
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buf[4*i ] = *f++;
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buf[4*i+1] = *f++;
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buf[4*i+2] = *f++;
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buf[4*i+3] = 0.f;
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}
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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{
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if(const_number < MAX_UNIFORM)
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ProgramShaderCache::SetUniformObjects(1, const_number, buf, count);
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//return;
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}
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for( unsigned int a = 0; a < 9; ++a)
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{
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if( const_number >= VSVar_Loc[a].reg && const_number < ( VSVar_Loc[a].reg + VSVar_Loc[a].size))
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{
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unsigned int offset = const_number - VSVar_Loc[a].reg;
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SetVSConstant4fvByName(VSVar_Loc[a].name, offset, buf, count);
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return;
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}
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}
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}
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// CG Specific
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bool CompileCGVertexShader(VERTEXSHADER& vs, const char* pstrprogram)
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{
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// Reset GL error before compiling shaders. Yeah, we need to investigate the causes of these.
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GLenum err = GL_REPORT_ERROR();
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if (err != GL_NO_ERROR)
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{
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ERROR_LOG(VIDEO, "glError %08x before VS!", err);
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}
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#if defined HAVE_CG && HAVE_CG
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CGprogram tempprog = cgCreateProgram(g_cgcontext, CG_SOURCE, pstrprogram, g_cgvProf, "main", NULL);
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if (!cgIsProgram(tempprog)) {
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static int num_failures = 0;
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char szTemp[MAX_PATH];
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sprintf(szTemp, "bad_vs_%04i.txt", num_failures++);
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std::ofstream file(szTemp);
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file << pstrprogram;
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file.close();
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PanicAlert("Failed to compile vertex shader %d!\nThis usually happens when trying to use Dolphin with an outdated GPU or integrated GPU like the Intel GMA series.\n\nIf you're sure this is Dolphin's error anyway, post the contents of %s along with this error message at the forums.\n\nDebug info (%d):\n%s",
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num_failures - 1, szTemp,
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g_cgfProf,
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cgGetLastListing(g_cgcontext));
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cgDestroyProgram(tempprog);
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ERROR_LOG(VIDEO, "Failed to load vs %s:", cgGetLastListing(g_cgcontext));
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ERROR_LOG(VIDEO, "%s", pstrprogram);
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return false;
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}
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if (cgGetError() != CG_NO_ERROR)
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{
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WARN_LOG(VIDEO, "Failed to load vs %s:", cgGetLastListing(g_cgcontext));
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WARN_LOG(VIDEO, "%s", pstrprogram);
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}
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// This looks evil - we modify the program through the const char * we got from cgGetProgramString!
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// It SHOULD not have any nasty side effects though - but you never know...
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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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glGenProgramsARB(1, &vs.glprogid);
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vs.bGLSL = false;
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VertexShaderCache::SetCurrentShader(vs.glprogid);
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glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)strlen(pcompiledprog), pcompiledprog);
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err = GL_REPORT_ERROR();
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if (err != GL_NO_ERROR) {
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ERROR_LOG(VIDEO, "%s", pstrprogram);
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ERROR_LOG(VIDEO, "%s", pcompiledprog);
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}
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cgDestroyProgram(tempprog);
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#endif
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if (g_ActiveConfig.bEnableShaderDebugging)
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vs.strprog = pstrprogram;
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return true;
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}
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void SetCGVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
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{
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glProgramEnvParameter4fARB(GL_VERTEX_PROGRAM_ARB, const_number, f1, f2, f3, f4);
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}
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void SetCGVSConstant4fv(unsigned int const_number, const float *f)
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{
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glProgramEnvParameter4fvARB(GL_VERTEX_PROGRAM_ARB, const_number, f);
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}
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void SetMultiCGVSConstant4fv(unsigned int const_number, unsigned int count, const float *f)
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{
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if(GLEW_EXT_gpu_program_parameters)
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{
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glProgramEnvParameters4fvEXT(GL_VERTEX_PROGRAM_ARB, const_number, count, f);
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}
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else
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{
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for (unsigned int i = 0; i < count; i++,f+=4)
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glProgramEnvParameter4fvARB(GL_VERTEX_PROGRAM_ARB, const_number + i, f);
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}
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}
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void SetMultiCGVSConstant3fv(unsigned int const_number, unsigned int count, const float *f)
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{
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if(GLEW_EXT_gpu_program_parameters)
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{
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float buf[4 * C_VENVCONST_END];
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for (unsigned int i = 0; i < count; i++)
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{
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buf[4*i ] = *f++;
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buf[4*i+1] = *f++;
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buf[4*i+2] = *f++;
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buf[4*i+3] = 0.f;
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}
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glProgramEnvParameters4fvEXT(GL_VERTEX_PROGRAM_ARB, const_number, count, buf);
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}
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else
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{
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for (unsigned int i = 0; i < count; i++)
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{
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float buf[4];
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buf[0] = *f++;
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buf[1] = *f++;
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buf[2] = *f++;
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buf[3] = 0.f;
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glProgramEnvParameter4fvARB(GL_VERTEX_PROGRAM_ARB, const_number + i, buf);
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}
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}
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}
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// Renderer Functions
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void Renderer::SetVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
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{
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pSetVSConstant4f(const_number, f1, f2, f3, f4);
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}
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void Renderer::SetVSConstant4fv(unsigned int const_number, const float *f)
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{
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pSetVSConstant4fv(const_number, f);
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}
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void Renderer::SetMultiVSConstant4fv(unsigned int const_number, unsigned int count, const float *f)
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{
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pSetMultiVSConstant4fv(const_number, count, f);
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}
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void Renderer::SetMultiVSConstant3fv(unsigned int const_number, unsigned int count, const float *f)
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{
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pSetMultiVSConstant3fv(const_number, count, f);
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}
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} // namespace OGL
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