dolphin/Source/Plugins/Plugin_VideoDX9/Src/PixelShaderCache.cpp

162 lines
4.2 KiB
C++

// Copyright (C) 2003 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/
#include "D3DBase.h"
#include "D3DShader.h"
#include "Statistics.h"
#include "Utils.h"
#include "Profiler.h"
#include "Config.h"
#include "PixelShaderGen.h"
#include "PixelShaderManager.h"
#include "PixelShaderCache.h"
#include "VertexLoader.h"
#include "BPMemory.h"
#include "XFMemory.h"
#include <Cg/cg.h>
#include <Cg/cgD3D9.h>
PixelShaderCache::PSCache PixelShaderCache::PixelShaders;
const PixelShaderCache::PSCacheEntry *PixelShaderCache::last_entry;
void SetPSConstant4f(int const_number, float f1, float f2, float f3, float f4)
{
const float f[4] = {f1, f2, f3, f4};
D3D::dev->SetPixelShaderConstantF(const_number, f, 1);
}
void SetPSConstant4fv(int const_number, const float *f)
{
D3D::dev->SetPixelShaderConstantF(const_number, f, 1);
}
void PixelShaderCache::Init()
{
}
void PixelShaderCache::Shutdown()
{
PSCache::iterator iter = PixelShaders.begin();
for (; iter != PixelShaders.end(); iter++)
iter->second.Destroy();
PixelShaders.clear();
}
void PixelShaderCache::SetShader()
{
static LPDIRECT3DPIXELSHADER9 last_shader = NULL;
DVSTARTPROFILE();
PIXELSHADERUID uid;
GetPixelShaderId(uid, PixelShaderManager::GetTextureMask(), false);
PSCache::iterator iter;
iter = PixelShaders.find(uid);
if (iter != PixelShaders.end())
{
iter->second.frameCount = frameCount;
const PSCacheEntry &entry = iter->second;
last_entry = &entry;
if (!last_shader || entry.shader != last_shader)
{
D3D::dev->SetPixelShader(entry.shader);
last_shader = entry.shader;
}
return;
}
bool HLSL = true;
const char *code = GeneratePixelShader(PixelShaderManager::GetTextureMask(), false, HLSL);
LPDIRECT3DPIXELSHADER9 shader = HLSL ? D3D::CompilePixelShader(code, (int)strlen(code), false) : CompileCgShader(code);
if (shader)
{
//Make an entry in the table
PSCacheEntry newentry;
newentry.shader = shader;
newentry.frameCount = frameCount;
#ifdef _DEBUG
newentry.code = code;
#endif
PixelShaders[uid] = newentry;
last_entry = &PixelShaders[uid];
Renderer::SetFVF(NULL);
D3D::dev->SetPixelShader(shader);
last_shader = shader;
INCSTAT(stats.numPixelShadersCreated);
SETSTAT(stats.numPixelShadersAlive, (int)PixelShaders.size());
}
else if (g_Config.bShowShaderErrors)
{
PanicAlert("Failed to compile Pixel Shader:\n\n%s", code);
}
}
LPDIRECT3DPIXELSHADER9 PixelShaderCache::CompileCgShader(const char *pstrprogram)
{
const char *opts[] = {"-profileopts", "MaxLocalParams=256", "-O2", "-q", NULL};
//const char **opts = cgD3D9GetOptimalOptions(g_cgvProf);
CGprogram tempprog = cgCreateProgram(g_cgcontext, CG_SOURCE, pstrprogram, g_cgfProf, "main", opts);
if (!cgIsProgram(tempprog) || cgGetError() != CG_NO_ERROR) {
ERROR_LOG(VIDEO, "Failed to create ps %s:\n", cgGetLastListing(g_cgcontext));
ERROR_LOG(VIDEO, pstrprogram);
return false;
}
char *pcompiledprog = (char*)cgGetProgramString(tempprog, CG_COMPILED_PROGRAM);
LPDIRECT3DPIXELSHADER9 pixel_shader = D3D::CompilePixelShader(pcompiledprog, (int)strlen(pcompiledprog), true);
cgDestroyProgram(tempprog);
tempprog = NULL;
return pixel_shader;
}
void PixelShaderCache::Cleanup()
{
PSCache::iterator iter;
iter = PixelShaders.begin();
while (iter != PixelShaders.end())
{
PSCacheEntry &entry = iter->second;
if (entry.frameCount < frameCount - 400)
{
entry.Destroy();
iter = PixelShaders.erase(iter);
}
else
{
iter++;
}
}
SETSTAT(stats.numPixelShadersAlive, (int)PixelShaders.size());
}
#ifdef _DEBUG
std::string PixelShaderCache::GetCurrentShaderCode()
{
if (last_entry)
return last_entry->code;
else
return "(no shader)\n";
}
#endif