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

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// 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 "VideoConfig.h"
#include "PixelShaderGen.h"
#include "PixelShaderManager.h"
#include "PixelShaderCache.h"
#include "VertexLoader.h"
#include "BPMemory.h"
#include "XFMemory.h"
#include "debugger/debugger.h"
PixelShaderCache::PSCache PixelShaderCache::PixelShaders;
const PixelShaderCache::PSCacheEntry *PixelShaderCache::last_entry;
static float lastPSconstants[C_COLORMATRIX+16][4];
static LPDIRECT3DPIXELSHADER9 s_ColorMatrixProgram = 0;
static LPDIRECT3DPIXELSHADER9 s_ColorCopyProgram = 0;
static LPDIRECT3DPIXELSHADER9 s_ClearProgram = 0;
static LPDIRECT3DPIXELSHADER9 s_ClearZProgram = 0;
static LPDIRECT3DPIXELSHADER9 s_DepthMatrixProgram = 0;
LPDIRECT3DPIXELSHADER9 PixelShaderCache::GetColorMatrixProgram()
{
return s_ColorMatrixProgram;
}
LPDIRECT3DPIXELSHADER9 PixelShaderCache::GetDepthMatrixProgram()
{
return s_DepthMatrixProgram;
}
LPDIRECT3DPIXELSHADER9 PixelShaderCache::GetColorCopyProgram()
{
return s_ColorCopyProgram;
}
LPDIRECT3DPIXELSHADER9 PixelShaderCache::GetClearProgram()
{
return s_ClearProgram;
}
void SetPSConstant4f(int const_number, float f1, float f2, float f3, float f4)
{
if( lastPSconstants[const_number][0] != f1 || lastPSconstants[const_number][1] != f2 ||
lastPSconstants[const_number][2] != f3 || lastPSconstants[const_number][3] != f4 )
{
const float f[4] = {f1, f2, f3, f4};
D3D::dev->SetPixelShaderConstantF(const_number, f, 1);
lastPSconstants[const_number][0] = f1;
lastPSconstants[const_number][1] = f2;
lastPSconstants[const_number][2] = f3;
lastPSconstants[const_number][3] = f4;
}
}
void SetPSConstant4fv(int const_number, const float *f)
{
if( lastPSconstants[const_number][0] != f[0] || lastPSconstants[const_number][1] != f[1] ||
lastPSconstants[const_number][2] != f[2] || lastPSconstants[const_number][3] != f[3] )
{
D3D::dev->SetPixelShaderConstantF(const_number, f, 1);
lastPSconstants[const_number][0] = f[0];
lastPSconstants[const_number][1] = f[1];
lastPSconstants[const_number][2] = f[2];
lastPSconstants[const_number][3] = f[3];
}
}
void PixelShaderCache::Init()
{
char pprog[1024];
sprintf(pprog,"void main(\n"
"out float4 ocol0 : COLOR0,\n"
" in float4 incol0 : COLOR0){\n"
"ocol0 = incol0;\n"
"}\n");
s_ClearProgram = D3D::CompilePixelShader(pprog, (int)strlen(pprog));
sprintf(pprog,"uniform sampler samp0 : register(s0);\n"
"void main(\n"
"out float4 ocol0 : COLOR0,\n"
" in float3 uv0 : TEXCOORD0){\n"
"ocol0 = tex2D(samp0,uv0.xy);\n"
"}\n");
s_ColorCopyProgram = D3D::CompilePixelShader(pprog, (int)strlen(pprog));
sprintf(pprog,"uniform sampler samp0 : register(s0);\n"
"uniform float4 cColMatrix[5] : register(c%d);\n"
"void main(\n"
"out float4 ocol0 : COLOR0,\n"
" in float3 uv0 : TEXCOORD0){\n"
"float4 texcol = tex2D(samp0,uv0.xy);\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n",C_COLORMATRIX);
s_ColorMatrixProgram = D3D::CompilePixelShader(pprog, (int)strlen(pprog));
sprintf(pprog,"uniform sampler samp0 : register(s0);\n"
"uniform float4 cColMatrix[5] : register(c%d);\n"
"void main(\n"
"out float4 ocol0 : COLOR0,\n"
" in float3 uv0 : TEXCOORD0){\n"
"float4 texcol = tex2D(samp0,uv0.xy);\n"
"float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,255.0f,255.0f*255.0f,255.0f*255.0f*255.0f));\n"
"texcol = float4((EncodedDepth.rgb * (16777216.0f/16777215.0f)),1.0f);\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n",C_COLORMATRIX);
s_DepthMatrixProgram = D3D::CompilePixelShader(pprog, (int)strlen(pprog));
Clear();
}
void PixelShaderCache::Clear()
{
PSCache::iterator iter = PixelShaders.begin();
for (; iter != PixelShaders.end(); iter++)
iter->second.Destroy();
PixelShaders.clear();
for (int i = 0; i < (C_COLORMATRIX + 16) * 4; i++)
lastPSconstants[i/4][i%4] = -100000000.0f;
memset(&last_pixel_shader_uid, 0xFF, sizeof(last_pixel_shader_uid));
}
void PixelShaderCache::Shutdown()
{
if(s_ColorMatrixProgram)
s_ColorMatrixProgram->Release();
s_ColorMatrixProgram = NULL;
if(s_ColorCopyProgram)
s_ColorCopyProgram->Release();
s_ColorCopyProgram=NULL;
if(s_DepthMatrixProgram)
s_DepthMatrixProgram->Release();
s_DepthMatrixProgram = NULL;
if(s_ClearProgram)
s_ClearProgram->Release();
s_ClearProgram=NULL;
Clear();
}
bool PixelShaderCache::SetShader(bool dstAlpha)
{
DVSTARTPROFILE();
PIXELSHADERUID uid;
GetPixelShaderId(uid, PixelShaderManager::GetTextureMask(), dstAlpha);
if (uid == last_pixel_shader_uid && PixelShaders[uid].frameCount == frameCount)
{
PSCache::const_iterator iter = PixelShaders.find(uid);
if (iter != PixelShaders.end() && iter->second.shader)
return true;
else
return false;
}
memcpy(&last_pixel_shader_uid, &uid, sizeof(PIXELSHADERUID));
PSCache::iterator iter;
iter = PixelShaders.find(uid);
if (iter != PixelShaders.end())
{
iter->second.frameCount = frameCount;
const PSCacheEntry &entry = iter->second;
last_entry = &entry;
DEBUGGER_PAUSE_AT(NEXT_PIXEL_SHADER_CHANGE,true);
if (entry.shader)
{
D3D::dev->SetPixelShader(entry.shader);
return true;
}
else
return false;
}
const char *code = GeneratePixelShader(PixelShaderManager::GetTextureMask(), dstAlpha, /*(D3D::GetCaps().NumSimultaneousRTs > 1)? 1 :*/ 2);
LPDIRECT3DPIXELSHADER9 shader = D3D::CompilePixelShader(code, (int)strlen(code));
// Make an entry in the table
PSCacheEntry newentry;
newentry.shader = shader;
newentry.frameCount = frameCount;
#if defined(_DEBUG) || defined(DEBUGFAST)
newentry.code = code;
#endif
PixelShaders[uid] = newentry;
last_entry = &PixelShaders[uid];
INCSTAT(stats.numPixelShadersCreated);
SETSTAT(stats.numPixelShadersAlive, (int)PixelShaders.size());
if (shader)
{
D3D::dev->SetPixelShader(shader);
return true;
}
if (g_ActiveConfig.bShowShaderErrors)
{
PanicAlert("Failed to compile Pixel Shader:\n\n%s", code);
}
return false;
}
void PixelShaderCache::Cleanup()
{
/*
PSCache::iterator iter;
iter = PixelShaders.begin();
while (iter != PixelShaders.end())
{
PSCacheEntry &entry = iter->second;
if (entry.frameCount < frameCount - 1400)
{
entry.Destroy();
iter = PixelShaders.erase(iter);
}
else
{
iter++;
}
}
SETSTAT(stats.numPixelShadersAlive, (int)PixelShaders.size());
*/
}
#if defined(_DEBUG) || defined(DEBUGFAST)
std::string PixelShaderCache::GetCurrentShaderCode()
{
if (last_entry)
return last_entry->code;
else
return "(no shader)\n";
}
#endif