dolphin/Source/Plugins/Plugin_VideoDX11/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 "FileUtil.h"
#include "LinearDiskCache.h"
#include "Debugger.h"
#include "Statistics.h"
#include "VideoConfig.h"
#include "D3DBase.h"
#include "D3DShader.h"
#include "Globals.h"
#include "PixelShaderGen.h"
#include "PixelShaderCache.h"
#include "ConfigManager.h"
extern int frameCount;
// See comment near the bottom of this file.
float psconstants[C_PENVCONST_END*4];
bool pscbufchanged = true;
namespace DX11
{
PixelShaderCache::PSCache PixelShaderCache::PixelShaders;
const PixelShaderCache::PSCacheEntry* PixelShaderCache::last_entry;
LinearDiskCache<PIXELSHADERUID, u8> g_ps_disk_cache;
ID3D11PixelShader* s_ColorMatrixProgram[2] = {NULL};
ID3D11PixelShader* s_ColorCopyProgram[2] = {NULL};
ID3D11PixelShader* s_DepthMatrixProgram[2] = {NULL};
ID3D11PixelShader* s_ClearProgram = NULL;
ID3D11PixelShader* s_rgba6_to_rgb8 = NULL;
ID3D11PixelShader* s_rgb8_to_rgba6 = NULL;
ID3D11Buffer* pscbuf = NULL;
const char clear_program_code[] = {
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
"in float4 pos : SV_Position,\n"
"in float4 incol0 : COLOR0){\n"
"ocol0 = incol0;\n"
"}\n"
};
const char color_copy_program_code[] = {
"sampler samp0 : register(s0);\n"
"Texture2D Tex0 : register(t0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
"in float4 pos : SV_Position,\n"
"in float2 uv0 : TEXCOORD0){\n"
"ocol0 = Tex0.Sample(samp0,uv0);\n"
"}\n"
};
// TODO: Improve sampling algorithm!
const char color_copy_program_code_msaa[] = {
"sampler samp0 : register(s0);\n"
"Texture2DMS<float4, %d> Tex0 : register(t0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
"in float4 pos : SV_Position,\n"
"in float2 uv0 : TEXCOORD0){\n"
"int width, height, samples;\n"
"Tex0.GetDimensions(width, height, samples);\n"
"ocol0 = 0;\n"
"for(int i = 0; i < samples; ++i)\n"
" ocol0 += Tex0.Load(int2(uv0.x*(width), uv0.y*(height)), i);\n"
"ocol0 /= samples;\n"
"}\n"
};
const char color_matrix_program_code[] = {
"sampler samp0 : register(s0);\n"
"Texture2D Tex0 : register(t0);\n"
"uniform float4 cColMatrix[7] : register(c0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
"in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0){\n"
"float4 texcol = Tex0.Sample(samp0,uv0);\n"
"texcol = round(texcol * cColMatrix[5])*cColMatrix[6];\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};
const char color_matrix_program_code_msaa[] = {
"sampler samp0 : register(s0);\n"
"Texture2DMS<float4, %d> Tex0 : register(t0);\n"
"uniform float4 cColMatrix[7] : register(c0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
"in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0){\n"
"int width, height, samples;\n"
"Tex0.GetDimensions(width, height, samples);\n"
"float4 texcol = 0;\n"
"for(int i = 0; i < samples; ++i)\n"
" texcol += Tex0.Load(int2(uv0.x*(width), uv0.y*(height)), i);\n"
"texcol /= samples;\n"
"texcol = round(texcol * cColMatrix[5])*cColMatrix[6];\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};
const char depth_matrix_program[] = {
"sampler samp0 : register(s0);\n"
"Texture2D Tex0 : register(t0);\n"
"uniform float4 cColMatrix[7] : register(c0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
" in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0){\n"
"float4 texcol = Tex0.Sample(samp0,uv0);\n"
"float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,256.0f,256.0f*256.0f,1.0f));\n"
"texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * float4(255.0f,255.0f,255.0f,15.0f)) / float4(255.0f,255.0f,255.0f,15.0f);\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};
const char depth_matrix_program_msaa[] = {
"sampler samp0 : register(s0);\n"
"Texture2DMS<float4, %d> Tex0 : register(t0);\n"
"uniform float4 cColMatrix[7] : register(c0);\n"
"void main(\n"
"out float4 ocol0 : SV_Target,\n"
" in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0){\n"
"int width, height, samples;\n"
"Tex0.GetDimensions(width, height, samples);\n"
"float4 texcol = 0;\n"
"for(int i = 0; i < samples; ++i)\n"
" texcol += Tex0.Load(int2(uv0.x*(width), uv0.y*(height)), i);\n"
"texcol /= samples;\n"
"float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,256.0f,256.0f*256.0f,16.0f));\n"
"texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * float4(255.0f,255.0f,255.0f,15.0f)) / float4(255.0f,255.0f,255.0f,15.0f);\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};
ID3D11PixelShader* PixelShaderCache::ReinterpRGBA6ToRGB8()
{
// TODO: MSAA support..
const char code[] = {
"sampler samp0 : register(s0);\n"
"Texture2D Tex0 : register(t0);\n"
"void main(\n"
" out float4 ocol0 : SV_Target,\n"
" in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0)\n"
"{\n"
" int4 src6 = round(Tex0.Sample(samp0,uv0) * 63.f);\n"
" int4 dst8;\n"
" dst8.r = (src6.r << 2) | (src6.g >> 4);\n"
" dst8.g = ((src6.g & 0xF) << 4) | (src6.b >> 2);\n"
" dst8.b = ((src6.b & 0x3) << 6) | src6.a;\n"
" dst8.a = 255;\n"
" ocol0 = (float4)dst8 / 255.f;\n"
"}"
};
if(s_rgba6_to_rgb8) return s_rgba6_to_rgb8;
s_rgba6_to_rgb8 = D3D::CompileAndCreatePixelShader(code, sizeof(code));
CHECK(s_rgba6_to_rgb8!=NULL, "Create RGBA6 to RGB8 pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_rgba6_to_rgb8, "RGBA6 to RGB8 pixel shader");
return s_rgba6_to_rgb8;
}
ID3D11PixelShader* PixelShaderCache::ReinterpRGB8ToRGBA6()
{
// TODO: MSAA support..
const char code[] = {
"sampler samp0 : register(s0);\n"
"Texture2D Tex0 : register(t0);\n"
"void main(\n"
" out float4 ocol0 : SV_Target,\n"
" in float4 pos : SV_Position,\n"
" in float2 uv0 : TEXCOORD0)\n"
"{\n"
" int4 src8 = round(Tex0.Sample(samp0,uv0) * 255.f);\n"
" int4 dst6;\n"
" dst6.r = src8.r >> 2;\n"
" dst6.g = ((src8.r & 0x3) << 4) | (src8.g >> 4);\n"
" dst6.b = ((src8.g & 0xF) << 2) | (src8.b >> 6);\n"
" dst6.a = src8.b & 0x3F;\n"
" ocol0 = (float4)dst6 / 63.f;\n"
"}\n"
};
if(s_rgb8_to_rgba6) return s_rgb8_to_rgba6;
s_rgb8_to_rgba6 = D3D::CompileAndCreatePixelShader(code, sizeof(code));
CHECK(s_rgb8_to_rgba6!=NULL, "Create RGB8 to RGBA6 pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_rgb8_to_rgba6, "RGB8 to RGBA6 pixel shader");
return s_rgb8_to_rgba6;
}
ID3D11PixelShader* PixelShaderCache::GetColorCopyProgram(bool multisampled)
{
if (!multisampled || D3D::GetAAMode(g_ActiveConfig.iMultisampleMode).Count == 1) return s_ColorCopyProgram[0];
else if (s_ColorCopyProgram[1]) return s_ColorCopyProgram[1];
else
{
// TODO: recreate shader on AA mode change!
// create MSAA shader for current AA mode
char buf[1024];
int l = sprintf_s(buf, 1024, color_copy_program_code_msaa, D3D::GetAAMode(g_ActiveConfig.iMultisampleMode));
s_ColorCopyProgram[1] = D3D::CompileAndCreatePixelShader(buf, l);
CHECK(s_ColorCopyProgram[1]!=NULL, "Create color copy MSAA pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_ColorCopyProgram[1], "color copy MSAA pixel shader");
return s_ColorCopyProgram[1];
}
}
ID3D11PixelShader* PixelShaderCache::GetColorMatrixProgram(bool multisampled)
{
if (!multisampled || D3D::GetAAMode(g_ActiveConfig.iMultisampleMode).Count == 1) return s_ColorMatrixProgram[0];
else if (s_ColorMatrixProgram[1]) return s_ColorMatrixProgram[1];
else
{
// TODO: recreate shader on AA mode change!
// create MSAA shader for current AA mode
char buf[1024];
int l = sprintf_s(buf, 1024, color_matrix_program_code_msaa, D3D::GetAAMode(g_ActiveConfig.iMultisampleMode));
s_ColorMatrixProgram[1] = D3D::CompileAndCreatePixelShader(buf, l);
CHECK(s_ColorMatrixProgram[1]!=NULL, "Create color matrix MSAA pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_ColorMatrixProgram[1], "color matrix MSAA pixel shader");
return s_ColorMatrixProgram[1];
}
}
ID3D11PixelShader* PixelShaderCache::GetDepthMatrixProgram(bool multisampled)
{
if (!multisampled || D3D::GetAAMode(g_ActiveConfig.iMultisampleMode).Count == 1) return s_DepthMatrixProgram[0];
else if (s_DepthMatrixProgram[1]) return s_DepthMatrixProgram[1];
else
{
// TODO: recreate shader on AA mode change!
// create MSAA shader for current AA mode
char buf[1024];
int l = sprintf_s(buf, 1024, depth_matrix_program_msaa, D3D::GetAAMode(g_ActiveConfig.iMultisampleMode));
s_DepthMatrixProgram[1] = D3D::CompileAndCreatePixelShader(buf, l);
CHECK(s_DepthMatrixProgram[1]!=NULL, "Create depth matrix MSAA pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_DepthMatrixProgram[1], "depth matrix MSAA pixel shader");
return s_DepthMatrixProgram[1];
}
}
ID3D11PixelShader* PixelShaderCache::GetClearProgram()
{
return s_ClearProgram;
}
ID3D11Buffer* &PixelShaderCache::GetConstantBuffer()
{
// TODO: divide the global variables of the generated shaders into about 5 constant buffers to speed this up
if (pscbufchanged)
{
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(pscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, psconstants, sizeof(psconstants));
D3D::context->Unmap(pscbuf, 0);
pscbufchanged = false;
}
return pscbuf;
}
// this class will load the precompiled shaders into our cache
class PixelShaderCacheInserter : public LinearDiskCacheReader<PIXELSHADERUID, u8>
{
public:
void Read(const PIXELSHADERUID &key, const u8 *value, u32 value_size)
{
PixelShaderCache::InsertByteCode(key, value, value_size);
}
};
void PixelShaderCache::Init()
{
unsigned int cbsize = ((sizeof(psconstants))&(~0xf))+0x10; // must be a multiple of 16
D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(cbsize, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
D3D::device->CreateBuffer(&cbdesc, NULL, &pscbuf);
CHECK(pscbuf!=NULL, "Create pixel shader constant buffer");
D3D::SetDebugObjectName((ID3D11DeviceChild*)pscbuf, "pixel shader constant buffer used to emulate the GX pipeline");
// used when drawing clear quads
s_ClearProgram = D3D::CompileAndCreatePixelShader(clear_program_code, sizeof(clear_program_code));
CHECK(s_ClearProgram!=NULL, "Create clear pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_ClearProgram, "clear pixel shader");
// used when copying/resolving the color buffer
s_ColorCopyProgram[0] = D3D::CompileAndCreatePixelShader(color_copy_program_code, sizeof(color_copy_program_code));
CHECK(s_ColorCopyProgram[0]!=NULL, "Create color copy pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_ColorCopyProgram[0], "color copy pixel shader");
// used for color conversion
s_ColorMatrixProgram[0] = D3D::CompileAndCreatePixelShader(color_matrix_program_code, sizeof(color_matrix_program_code));
CHECK(s_ColorMatrixProgram[0]!=NULL, "Create color matrix pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_ColorMatrixProgram[0], "color matrix pixel shader");
// used for depth copy
s_DepthMatrixProgram[0] = D3D::CompileAndCreatePixelShader(depth_matrix_program, sizeof(depth_matrix_program));
CHECK(s_DepthMatrixProgram[0]!=NULL, "Create depth matrix pixel shader");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_DepthMatrixProgram[0], "depth matrix pixel shader");
Clear();
if (!File::Exists(File::GetUserPath(D_SHADERCACHE_IDX)))
File::CreateDir(File::GetUserPath(D_SHADERCACHE_IDX));
SETSTAT(stats.numPixelShadersCreated, 0);
SETSTAT(stats.numPixelShadersAlive, 0);
char cache_filename[MAX_PATH];
sprintf(cache_filename, "%sdx11-%s-ps.cache", File::GetUserPath(D_SHADERCACHE_IDX), SConfig::GetInstance().m_LocalCoreStartupParameter.m_strUniqueID.c_str());
PixelShaderCacheInserter inserter;
g_ps_disk_cache.OpenAndRead(cache_filename, inserter);
}
// ONLY to be used during shutdown.
void PixelShaderCache::Clear()
{
for (PSCache::iterator iter = PixelShaders.begin(); iter != PixelShaders.end(); iter++)
iter->second.Destroy();
PixelShaders.clear();
}
// Used in Swap() when AA mode has changed
void PixelShaderCache::InvalidateMSAAShaders()
{
SAFE_RELEASE(s_ColorCopyProgram[1]);
SAFE_RELEASE(s_ColorMatrixProgram[1]);
SAFE_RELEASE(s_DepthMatrixProgram[1]);
}
void PixelShaderCache::Shutdown()
{
SAFE_RELEASE(pscbuf);
SAFE_RELEASE(s_rgba6_to_rgb8);
SAFE_RELEASE(s_rgb8_to_rgba6);
SAFE_RELEASE(s_ClearProgram);
for (int i = 0; i < 2; ++i)
{
SAFE_RELEASE(s_ColorCopyProgram[i]);
SAFE_RELEASE(s_ColorMatrixProgram[i]);
SAFE_RELEASE(s_DepthMatrixProgram[i]);
}
Clear();
g_ps_disk_cache.Sync();
g_ps_disk_cache.Close();
}
bool PixelShaderCache::SetShader(DSTALPHA_MODE dstAlphaMode, u32 components)
{
PIXELSHADERUID uid;
GetPixelShaderId(&uid, dstAlphaMode);
// Check if the shader is already set
if (uid == last_pixel_shader_uid && PixelShaders[uid].frameCount == frameCount)
{
PSCache::const_iterator iter = PixelShaders.find(uid);
GFX_DEBUGGER_PAUSE_AT(NEXT_PIXEL_SHADER_CHANGE,true);
return (iter != PixelShaders.end() && iter->second.shader);
}
memcpy(&last_pixel_shader_uid, &uid, sizeof(PIXELSHADERUID));
// Check if the shader is already in the cache
PSCache::iterator iter;
iter = PixelShaders.find(uid);
if (iter != PixelShaders.end())
{
iter->second.frameCount = frameCount;
const PSCacheEntry &entry = iter->second;
last_entry = &entry;
GFX_DEBUGGER_PAUSE_AT(NEXT_PIXEL_SHADER_CHANGE,true);
return (entry.shader != NULL);
}
// Need to compile a new shader
const char* code = GeneratePixelShaderCode(dstAlphaMode, API_D3D11, components);
D3DBlob* pbytecode;
if (!D3D::CompilePixelShader(code, (unsigned int)strlen(code), &pbytecode))
{
PanicAlert("Failed to compile Pixel Shader:\n\n%s", code);
GFX_DEBUGGER_PAUSE_AT(NEXT_ERROR, true);
return false;
}
// Insert the bytecode into the caches
g_ps_disk_cache.Append(uid, pbytecode->Data(), pbytecode->Size());
g_ps_disk_cache.Sync();
bool result = InsertByteCode(uid, pbytecode->Data(), pbytecode->Size());
pbytecode->Release();
GFX_DEBUGGER_PAUSE_AT(NEXT_PIXEL_SHADER_CHANGE, true);
return result;
}
bool PixelShaderCache::InsertByteCode(const PIXELSHADERUID &uid, const void* bytecode, unsigned int bytecodelen)
{
ID3D11PixelShader* shader = D3D::CreatePixelShaderFromByteCode(bytecode, bytecodelen);
if (shader == NULL)
{
PanicAlert("Failed to create pixel shader at %s %d\n", __FILE__, __LINE__);
return false;
}
// TODO: Somehow make the debug name a bit more specific
D3D::SetDebugObjectName((ID3D11DeviceChild*)shader, "a pixel shader of PixelShaderCache");
// Make an entry in the table
PSCacheEntry newentry;
newentry.shader = shader;
newentry.frameCount = frameCount;
PixelShaders[uid] = newentry;
last_entry = &PixelShaders[uid];
if (!shader) {
// INCSTAT(stats.numPixelShadersFailed);
return false;
}
INCSTAT(stats.numPixelShadersCreated);
SETSTAT(stats.numPixelShadersAlive, PixelShaders.size());
return true;
}
// These are "callbacks" from VideoCommon and thus must be outside namespace DX11.
// This will have to be changed when we merge.
// HACK to avoid some invasive VideoCommon changes
// these values are hardcoded, they depend on internal D3DCompile behavior; TODO: Solve this with D3DReflect or something
// offset given in floats, table index is float4
static const unsigned int ps_constant_offset_table[] = {
0, 4, 8, 12, // C_COLORS, 16
16, 20, 24, 28, // C_KCOLORS, 16
32, // C_ALPHA, 4
36, 40, 44, 48, 52, 56, 60, 64, // C_TEXDIMS, 32
68, 72, // C_ZBIAS, 8
76, 80, // C_INDTEXSCALE, 8
84, 88, 92, 96, 100, 104, // C_INDTEXMTX, 24
108, 112, 116, // C_FOG, 12
120, 124, 128, 132, 136, // C_PLIGHTS0, 20
140, 144, 148, 152, 156, // C_PLIGHTS1, 20
160, 164, 168, 172, 176, // C_PLIGHTS2, 20
180, 184, 188, 192, 196, // C_PLIGHTS3, 20
200, 204, 208, 212, 216, // C_PLIGHTS4, 20
220, 224, 228, 232, 236, // C_PLIGHTS5, 20
240, 244, 248, 252, 256, // C_PLIGHTS6, 20
260, 264, 268, 272, 276, // C_PLIGHTS7, 20
280, 284, 288, 292 // C_PMATERIALS, 16
};
void Renderer::SetPSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4)
{
psconstants[ps_constant_offset_table[const_number] ] = f1;
psconstants[ps_constant_offset_table[const_number]+1] = f2;
psconstants[ps_constant_offset_table[const_number]+2] = f3;
psconstants[ps_constant_offset_table[const_number]+3] = f4;
pscbufchanged = true;
}
void Renderer::SetPSConstant4fv(unsigned int const_number, const float* f)
{
memcpy(&psconstants[ps_constant_offset_table[const_number]], f, sizeof(float)*4);
pscbufchanged = true;
}
void Renderer::SetMultiPSConstant4fv(unsigned int const_number, unsigned int count, const float* f)
{
memcpy(&psconstants[ps_constant_offset_table[const_number]], f, sizeof(float)*4*count);
pscbufchanged = true;
}
} // DX11