dolphin/Source/Plugins/Plugin_VideoDX9/Src/VertexShaderCache.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 <map>
#include "Common.h"
#include "FileUtil.h"
#include "LinearDiskCache.h"
#include "Globals.h"
#include "D3DBase.h"
#include "D3DShader.h"
#include "Statistics.h"
#include "Profiler.h"
#include "VideoConfig.h"
#include "VertexShaderCache.h"
#include "VertexLoader.h"
#include "BPMemory.h"
#include "XFMemory.h"
#include "debugger/debugger.h"
VertexShaderCache::VSCache VertexShaderCache::vshaders;
const VertexShaderCache::VSCacheEntry *VertexShaderCache::last_entry;
#define MAX_SSAA_SHADERS 3
static LPDIRECT3DVERTEXSHADER9 SimpleVertexShader[MAX_SSAA_SHADERS];
static LPDIRECT3DVERTEXSHADER9 ClearVertexShader;
LinearDiskCache g_vs_disk_cache;
LPDIRECT3DVERTEXSHADER9 VertexShaderCache::GetSimpleVertexShader(int level)
{
return SimpleVertexShader[level % MAX_SSAA_SHADERS];
}
LPDIRECT3DVERTEXSHADER9 VertexShaderCache::GetClearVertexShader()
{
return ClearVertexShader;
}
void SetVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
{
const float f[4] = { f1, f2, f3, f4 };
D3D::dev->SetVertexShaderConstantF(const_number, f, 1);
}
void SetVSConstant4fv(unsigned int const_number, const float *f)
{
D3D::dev->SetVertexShaderConstantF(const_number, f, 1);
}
void SetMultiVSConstant3fv(unsigned int const_number, unsigned int count, const float *f)
{
float buf[4*C_VENVCONST_END];
for (unsigned int i = 0; i < count; i++)
{
buf[4*i ] = *f++;
buf[4*i+1] = *f++;
buf[4*i+2] = *f++;
buf[4*i+3] = 0.f;
}
D3D::dev->SetVertexShaderConstantF(const_number, buf, count);
}
void SetMultiVSConstant4fv(unsigned int const_number, unsigned int count, const float *f)
{
D3D::dev->SetVertexShaderConstantF(const_number, f, count);
}
class VertexShaderCacheInserter : public LinearDiskCacheReader {
public:
void Read(const u8 *key, int key_size, const u8 *value, int value_size)
{
VERTEXSHADERUID uid;
if (key_size != sizeof(uid)) {
ERROR_LOG(VIDEO, "Wrong key size in vertex shader cache");
return;
}
memcpy(&uid, key, key_size);
VertexShaderCache::InsertByteCode(uid, value, value_size, false);
}
};
void VertexShaderCache::Init()
{
char* vProg = new char[2048];
sprintf(vProg,"struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float2 vTexCoord : TEXCOORD0;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float2 inTEX0 : TEXCOORD0)\n"
"{\n"
"VSOUTPUT OUT;\n"
"OUT.vPosition = inPosition;\n"
"OUT.vTexCoord = inTEX0;\n"
"return OUT;\n"
"}\n");
SimpleVertexShader[0] = D3D::CompileAndCreateVertexShader(vProg, (int)strlen(vProg));
sprintf(vProg,"struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float4 vColor0 : COLOR0;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float4 inColor0: COLOR0)\n"
"{\n"
"VSOUTPUT OUT;\n"
"OUT.vPosition = inPosition;\n"
"OUT.vColor0 = inColor0;\n"
"return OUT;\n"
"}\n");
ClearVertexShader = D3D::CompileAndCreateVertexShader(vProg, (int)strlen(vProg));
sprintf(vProg, "struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float4 vTexCoord : TEXCOORD0;\n"
"float4 vTexCoord1 : TEXCOORD1;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float2 inTEX0 : TEXCOORD0,float2 inTEX1 : TEXCOORD1,float4 inTEX2 : TEXCOORD2)\n"
"{\n"
"VSOUTPUT OUT;"
"OUT.vPosition = inPosition;\n"
"OUT.vTexCoord = inTEX0.xyyx;\n"
"OUT.vTexCoord1 = inTEX2;\n"
"return OUT;\n"
"}\n");
SimpleVertexShader[1] = D3D::CompileAndCreateVertexShader(vProg, (int)strlen(vProg));
sprintf(vProg, "struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float4 vTexCoord : TEXCOORD0;\n"
"float4 vTexCoord1 : TEXCOORD1;\n"
"float4 vTexCoord2 : TEXCOORD2;\n"
"float4 vTexCoord3 : TEXCOORD3;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float2 inTEX0 : TEXCOORD0,float2 inTEX1 : TEXCOORD1,float4 inTEX2 : TEXCOORD2)\n"
"{\n"
"VSOUTPUT OUT;"
"OUT.vPosition = inPosition;\n"
"OUT.vTexCoord = inTEX0.xyyx;\n"
"OUT.vTexCoord1 = inTEX0.xyyx + (float4(-1.0f,-0.5f, 1.0f,-0.5f) * inTEX1.xyyx);\n"
"OUT.vTexCoord2 = inTEX0.xyyx + (float4( 1.0f, 0.5f,-1.0f, 0.5f) * inTEX1.xyyx);\n"
"OUT.vTexCoord3 = inTEX2;\n"
"return OUT;\n"
"}\n");
SimpleVertexShader[2] = D3D::CompileAndCreateVertexShader(vProg, (int)strlen(vProg));
Clear();
delete [] vProg;
if (!File::Exists(File::GetUserPath(D_SHADERCACHE_IDX)))
File::CreateDir(File::GetUserPath(D_SHADERCACHE_IDX));
SETSTAT(stats.numVertexShadersCreated, 0);
SETSTAT(stats.numVertexShadersAlive, 0);
char cache_filename[MAX_PATH];
sprintf(cache_filename, "%sdx9-%s-vs.cache", File::GetUserPath(D_SHADERCACHE_IDX), globals->unique_id);
VertexShaderCacheInserter inserter;
int read_items = g_vs_disk_cache.OpenAndRead(cache_filename, &inserter);
}
void VertexShaderCache::Clear()
{
VSCache::iterator iter = vshaders.begin();
for (; iter != vshaders.end(); ++iter)
iter->second.Destroy();
vshaders.clear();
memset(&last_vertex_shader_uid, 0xFF, sizeof(last_vertex_shader_uid));
}
void VertexShaderCache::Shutdown()
{
for (int i = 0; i < MAX_SSAA_SHADERS; i++)
{
if (SimpleVertexShader[i])
SimpleVertexShader[i]->Release();
SimpleVertexShader[i] = NULL;
}
if (ClearVertexShader)
ClearVertexShader->Release();
ClearVertexShader = NULL;
Clear();
g_vs_disk_cache.Sync();
g_vs_disk_cache.Close();
}
bool VertexShaderCache::SetShader(u32 components)
{
DVSTARTPROFILE();
VERTEXSHADERUID uid;
GetVertexShaderId(&uid, components);
if (uid == last_vertex_shader_uid && vshaders[uid].frameCount == frameCount)
{
if (vshaders[uid].shader)
return true;
else
return false;
}
memcpy(&last_vertex_shader_uid, &uid, sizeof(VERTEXSHADERUID));
VSCache::iterator iter;
iter = vshaders.find(uid);
if (iter != vshaders.end())
{
iter->second.frameCount = frameCount;
const VSCacheEntry &entry = iter->second;
last_entry = &entry;
DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE,true);
if (entry.shader)
{
D3D::SetVertexShader(entry.shader);
return true;
}
else
return false;
}
const char *code = GenerateVertexShaderCode(components, API_D3D9);
u8 *bytecode;
int bytecodelen;
if (!D3D::CompileVertexShader(code, (int)strlen(code), &bytecode, &bytecodelen))
{
if (g_ActiveConfig.bShowShaderErrors)
{
PanicAlert("Failed to compile Vertex Shader:\n\n%s", code);
}
return false;
}
g_vs_disk_cache.Append((u8 *)&uid, sizeof(uid), bytecode, bytecodelen);
g_vs_disk_cache.Sync();
bool result = InsertByteCode(uid, bytecode, bytecodelen, true);
delete [] bytecode;
return result;
}
bool VertexShaderCache::InsertByteCode(const VERTEXSHADERUID &uid, const u8 *bytecode, int bytecodelen, bool activate) {
LPDIRECT3DVERTEXSHADER9 shader = D3D::CreateVertexShaderFromByteCode(bytecode, bytecodelen);
// Make an entry in the table
VSCacheEntry entry;
entry.shader = shader;
entry.frameCount = frameCount;
vshaders[uid] = entry;
last_entry = &vshaders[uid];
if (!shader)
return false;
INCSTAT(stats.numVertexShadersCreated);
SETSTAT(stats.numVertexShadersAlive, (int)vshaders.size());
if (activate)
{
D3D::SetVertexShader(shader);
return true;
}
return false;
}
#if defined(_DEBUG) || defined(DEBUGFAST)
std::string VertexShaderCache::GetCurrentShaderCode()
{
return "(N/A)\n";
}
#endif