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dolphin/Source/Plugins/Plugin_VideoDX11/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"
VertexShaderCache::VSCache VertexShaderCache::vshaders;
const VertexShaderCache::VSCacheEntry* VertexShaderCache::last_entry;
static ID3D11VertexShader* SimpleVertexShader = NULL;
static ID3D11VertexShader* ClearVertexShader = NULL;
static ID3D11InputLayout* SimpleLayout = NULL;
static ID3D11InputLayout* ClearLayout = NULL;
LinearDiskCache g_vs_disk_cache;
ID3D11VertexShader* VertexShaderCache::GetSimpleVertexShader() { return SimpleVertexShader; }
ID3D11VertexShader* VertexShaderCache::GetClearVertexShader() { return ClearVertexShader; }
ID3D11InputLayout* VertexShaderCache::GetSimpleInputLayout() { return SimpleLayout; }
ID3D11InputLayout* VertexShaderCache::GetClearInputLayout() { return ClearLayout; }
// maps the constant numbers to float indices in the constant buffer
unsigned int vs_constant_offset_table[238];
void SetVSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
{
D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number] ] = f1;
D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number]+1] = f2;
D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number]+2] = f3;
D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number]+3] = f4;
D3D::gfxstate->vscbufchanged = true;
}
void SetVSConstant4fv(unsigned int const_number, const float* f)
{
memcpy(&D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number]], f, sizeof(float)*4);
D3D::gfxstate->vscbufchanged = true;
}
void SetMultiVSConstant3fv(unsigned int const_number, unsigned int count, const float* f)
{
for (unsigned int i = 0; i < count; i++)
{
memcpy(&D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number+i]], f+3*i, sizeof(float)*3);
D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number+i]+3] = 0.f;
}
D3D::gfxstate->vscbufchanged = true;
}
void SetMultiVSConstant4fv(unsigned int const_number, unsigned int count, const float* f)
{
memcpy(&D3D::gfxstate->vsconstants[vs_constant_offset_table[const_number]], f, sizeof(float)*4*count);
D3D::gfxstate->vscbufchanged = true;
}
// this class will load the precompiled shaders into our cache
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);
D3DBlob* blob = new D3DBlob(value_size, value);
VertexShaderCache::InsertByteCode(uid, blob);
blob->Release();
}
};
const char simple_shader_code[] = {
"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"
};
const char clear_shader_code[] = {
"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"
};
void VertexShaderCache::Init()
{
const D3D11_INPUT_ELEMENT_DESC simpleelems[2] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
const D3D11_INPUT_ELEMENT_DESC clearelems[2] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
D3DBlob* blob;
D3D::CompileVertexShader(simple_shader_code, sizeof(simple_shader_code), &blob);
D3D::device->CreateInputLayout(simpleelems, 2, blob->Data(), blob->Size(), &SimpleLayout);
SimpleVertexShader = D3D::CreateVertexShaderFromByteCode(blob);
if (SimpleLayout == NULL || SimpleVertexShader == NULL) PanicAlert("Failed to create simple vertex shader or input layout at %s %d\n", __FILE__, __LINE__);
blob->Release();
D3D::SetDebugObjectName((ID3D11DeviceChild*)SimpleVertexShader, "simple vertex shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)SimpleLayout, "simple input layout");
D3D::CompileVertexShader(clear_shader_code, sizeof(clear_shader_code), &blob);
D3D::device->CreateInputLayout(clearelems, 2, blob->Data(), blob->Size(), &ClearLayout);
ClearVertexShader = D3D::CreateVertexShaderFromByteCode(blob);
if (ClearLayout == NULL || ClearVertexShader == NULL) PanicAlert("Failed to create clear vertex shader or input layout at %s %d\n", __FILE__, __LINE__);
blob->Release();
D3D::SetDebugObjectName((ID3D11DeviceChild*)ClearVertexShader, "clear vertex shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)ClearLayout, "clear input layout");
Clear();
// these values are hardcoded, they depend on internal D3DCompile behavior
// TODO: Do this with D3DReflect or something instead
unsigned int k;
for (k = 0;k < 64;k++) vs_constant_offset_table[C_TRANSFORMMATRICES+k] = 312+4*k;
for (k = 0;k < 24;k++) vs_constant_offset_table[C_TEXMATRICES+k] = 216+4*k;
for (k = 0;k < 32;k++) vs_constant_offset_table[C_NORMALMATRICES+k] = 568+4*k;
for (k = 0;k < 6;k++) vs_constant_offset_table[C_POSNORMALMATRIX+k] = 0+4*k;
for (k = 0;k < 64;k++) vs_constant_offset_table[C_POSTTRANSFORMMATRICES+k] = 696+4*k;
for (k = 0;k < 40;k++) vs_constant_offset_table[C_LIGHTS+k] = 56+4*k;
for (k = 0;k < 4;k++) vs_constant_offset_table[C_MATERIALS+k] = 40+4*k;
for (k = 0;k < 4;k++) vs_constant_offset_table[C_PROJECTION+k] = 24+4*k;
if (!File::Exists(File::GetUserPath(D_SHADERCACHE_IDX)))
File::CreateDir(File::GetUserPath(D_SHADERCACHE_IDX));
char cache_filename[MAX_PATH];
sprintf(cache_filename, "%sdx11-%s-vs.cache", File::GetUserPath(D_SHADERCACHE_IDX), globals->unique_id);
VertexShaderCacheInserter inserter;
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();
}
void VertexShaderCache::Shutdown()
{
SAFE_RELEASE(SimpleVertexShader);
SAFE_RELEASE(ClearVertexShader);
SAFE_RELEASE(SimpleLayout);
SAFE_RELEASE(ClearLayout);
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)
return (vshaders[uid].shader != NULL);
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;
if (entry.shader) D3D::gfxstate->SetVShader(entry.shader, iter->second.bytecode);
return (entry.shader != NULL);
}
const char* code = GenerateVertexShaderCode(components, API_D3D11);
D3DBlob* pbytecode = NULL;
D3D::CompileVertexShader(code, (int)strlen(code), &pbytecode);
if (pbytecode == NULL)
{
PanicAlert("Failed to compile Vertex Shader %s %d:\n\n%s", __FILE__, __LINE__, code);
return false;
}
g_vs_disk_cache.Append((u8*)&uid, sizeof(uid), (const u8*)pbytecode->Data(), pbytecode->Size());
g_vs_disk_cache.Sync();
bool result = InsertByteCode(uid, pbytecode);
D3D::gfxstate->SetVShader(last_entry->shader, last_entry->bytecode);
pbytecode->Release();
return result;
}
bool VertexShaderCache::InsertByteCode(const VERTEXSHADERUID &uid, D3DBlob* bcodeblob)
{
ID3D11VertexShader* shader = D3D::CreateVertexShaderFromByteCode(bcodeblob);
if (shader == NULL)
{
PanicAlert("Failed to create vertex shader from %p size %d at %s %d\n", bcodeblob->Data(), bcodeblob->Size(), __FILE__, __LINE__);
return false;
}
// TODO: Somehow make the debug name a bit more specific
D3D::SetDebugObjectName((ID3D11DeviceChild*)shader, "a vertex shader of VertexShaderCache");
// Make an entry in the table
VSCacheEntry entry;
entry.shader = shader;
entry.frameCount = frameCount;
entry.SetByteCode(bcodeblob);
vshaders[uid] = entry;
last_entry = &vshaders[uid];
INCSTAT(stats.numVertexShadersCreated);
SETSTAT(stats.numVertexShadersAlive, (int)vshaders.size());
return true;
}
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