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dolphin/Source/Plugins/Plugin_VideoDX9/Src/TextureConverter.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/
// Fast image conversion using OpenGL shaders.
// This kind of stuff would be a LOT nicer with OpenCL.
#include "TextureConverter.h"
#include "TextureConversionShader.h"
#include "PixelShaderCache.h"
#include "VertexShaderManager.h"
#include "VertexShaderCache.h"
#include "FramebufferManager.h"
#include "Globals.h"
#include "VideoConfig.h"
#include "ImageWrite.h"
#include "Render.h"
#include "TextureCache.h"
#include "Math.h"
#include "FileUtil.h"
namespace TextureConverter
{
struct TransformBuffer
{
LPDIRECT3DTEXTURE9 FBTexture;
LPDIRECT3DSURFACE9 RenderSurface;
LPDIRECT3DSURFACE9 ReadSurface;
int Width;
int Height;
};
const u32 NUM_TRANSFORM_BUFFERS = 16;
static TransformBuffer TrnBuffers[NUM_TRANSFORM_BUFFERS];
static u32 WorkingBuffers = 0;
static LPDIRECT3DPIXELSHADER9 s_rgbToYuyvProgram = NULL;
static LPDIRECT3DPIXELSHADER9 s_yuyvToRgbProgram = NULL;
// Not all slots are taken - but who cares.
const u32 NUM_ENCODING_PROGRAMS = 64;
static LPDIRECT3DPIXELSHADER9 s_encodingPrograms[NUM_ENCODING_PROGRAMS];
static bool s_encodingProgramsFailed[NUM_ENCODING_PROGRAMS];
void CreateRgbToYuyvProgram()
{
// Output is BGRA because that is slightly faster than RGBA.
char* FProgram = new char[2048];
sprintf(FProgram,"uniform float4 blkDims : register(c%d);\n"
"uniform float4 textureDims : register(c%d);\n"
"uniform sampler samp0 : register(s0);\n"
"void main(\n"
" out float4 ocol0 : COLOR0,\n"
" in float2 uv0 : TEXCOORD0,\n"
" in float uv2 : TEXCOORD1)\n"
"{\n"
" float2 uv1 = float2((uv0.x + 1.0f)/ blkDims.z, uv0.y / blkDims.w);\n"
" float3 c0 = tex2D(samp0, uv0.xy / blkDims.zw).rgb;\n"
" float3 c1 = tex2D(samp0, uv1).rgb;\n"
" c0 = pow(c0,uv2.xxx);\n"
" c1 = pow(c1,uv2.xxx);\n"
" float3 y_const = float3(0.257f,0.504f,0.098f);\n"
" float3 u_const = float3(-0.148f,-0.291f,0.439f);\n"
" float3 v_const = float3(0.439f,-0.368f,-0.071f);\n"
" float4 const3 = float4(0.0625f,0.5f,0.0625f,0.5f);\n"
" float3 c01 = (c0 + c1) * 0.5f;\n"
" ocol0 = float4(dot(c1,y_const),dot(c01,u_const),dot(c0,y_const),dot(c01, v_const)) + const3;\n"
"}\n",C_COLORMATRIX,C_COLORMATRIX+1);
s_rgbToYuyvProgram = D3D::CompileAndCreatePixelShader(FProgram, (int)strlen(FProgram));
if (!s_rgbToYuyvProgram) {
ERROR_LOG(VIDEO, "Failed to create RGB to YUYV fragment program");
}
delete [] FProgram;
}
void CreateYuyvToRgbProgram()
{
char* FProgram = new char[2048];
sprintf(FProgram,"uniform float4 blkDims : register(c%d);\n"
"uniform float4 textureDims : register(c%d);\n"
"uniform sampler samp0 : register(s0);\n"
"void main(\n"
" out float4 ocol0 : COLOR0,\n"
" in float2 uv0 : TEXCOORD0)\n"
"{\n"
" float4 c0 = tex2D(samp0, uv0 / blkDims.zw).rgba;\n"
" float f = step(0.5, frac(uv0.x));\n"
" float y = lerp(c0.b, c0.r, f);\n"
" float yComp = 1.164f * (y - 0.0625f);\n"
" float uComp = c0.g - 0.5f;\n"
" float vComp = c0.a - 0.5f;\n"
" ocol0 = float4(yComp + (1.596f * vComp),\n"
" yComp - (0.813f * vComp) - (0.391f * uComp),\n"
" yComp + (2.018f * uComp),\n"
" 1.0f);\n"
"}\n",C_COLORMATRIX,C_COLORMATRIX+1);
s_yuyvToRgbProgram = D3D::CompileAndCreatePixelShader(FProgram, (int)strlen(FProgram));
if (!s_yuyvToRgbProgram) {
ERROR_LOG(VIDEO, "Failed to create YUYV to RGB fragment program");
}
delete [] FProgram;
}
LPDIRECT3DPIXELSHADER9 GetOrCreateEncodingShader(u32 format)
{
if (format > NUM_ENCODING_PROGRAMS)
{
PanicAlert("Unknown texture copy format: 0x%x\n", format);
return s_encodingPrograms[0];
}
if (!s_encodingPrograms[format])
{
if(s_encodingProgramsFailed[format])
{
// we already failed to create a shader for this format,
// so instead of re-trying and showing the same error message every frame, just return.
return NULL;
}
const char* shader = TextureConversionShader::GenerateEncodingShader(format,API_D3D9);
#if defined(_DEBUG) || defined(DEBUGFAST)
if (g_ActiveConfig.iLog & CONF_SAVESHADERS && shader) {
static int counter = 0;
char szTemp[MAX_PATH];
sprintf(szTemp, "%senc_%04i.txt", File::GetUserPath(D_DUMP_IDX), counter++);
SaveData(szTemp, shader);
}
#endif
s_encodingPrograms[format] = D3D::CompileAndCreatePixelShader(shader, (int)strlen(shader));
if (!s_encodingPrograms[format]) {
ERROR_LOG(VIDEO, "Failed to create encoding fragment program");
s_encodingProgramsFailed[format] = true;
}
}
return s_encodingPrograms[format];
}
void Init()
{
for (unsigned int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
{
s_encodingPrograms[i] = NULL;
s_encodingProgramsFailed[i] = false;
}
for (unsigned int i = 0; i < NUM_TRANSFORM_BUFFERS; i++)
{
TrnBuffers[i].FBTexture = NULL;
TrnBuffers[i].RenderSurface = NULL;
TrnBuffers[i].ReadSurface = NULL;
TrnBuffers[i].Width = 0;
TrnBuffers[i].Height = 0;
}
CreateRgbToYuyvProgram();
CreateYuyvToRgbProgram();
}
void Shutdown()
{
if(s_rgbToYuyvProgram)
s_rgbToYuyvProgram->Release();
s_rgbToYuyvProgram = NULL;
if(s_yuyvToRgbProgram)
s_yuyvToRgbProgram->Release();
s_yuyvToRgbProgram=NULL;
for (unsigned int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
{
if(s_encodingPrograms[i])
s_encodingPrograms[i]->Release();
s_encodingPrograms[i] = NULL;
}
for (unsigned int i = 0; i < NUM_TRANSFORM_BUFFERS; i++)
{
if(TrnBuffers[i].RenderSurface != NULL)
TrnBuffers[i].RenderSurface->Release();
TrnBuffers[i].RenderSurface = NULL;
if(TrnBuffers[i].ReadSurface != NULL)
TrnBuffers[i].ReadSurface->Release();
TrnBuffers[i].ReadSurface = NULL;
if(TrnBuffers[i].FBTexture != NULL)
TrnBuffers[i].FBTexture->Release();
TrnBuffers[i].FBTexture = NULL;
TrnBuffers[i].Width = 0;
TrnBuffers[i].Height = 0;
}
WorkingBuffers = 0;
}
void EncodeToRamUsingShader(LPDIRECT3DPIXELSHADER9 shader, LPDIRECT3DTEXTURE9 srcTexture, const TargetRectangle& sourceRc,
u8* destAddr, int dstWidth, int dstHeight, int readStride, bool toTexture, bool linearFilter,float Gamma)
{
HRESULT hr;
u32 index =0;
while(index < WorkingBuffers && (TrnBuffers[index].Width != dstWidth || TrnBuffers[index].Height != dstHeight))
index++;
LPDIRECT3DSURFACE9 s_texConvReadSurface = NULL;
LPDIRECT3DSURFACE9 Rendersurf = NULL;
if (index >= WorkingBuffers)
{
if (WorkingBuffers < NUM_TRANSFORM_BUFFERS)
WorkingBuffers++;
if (index >= WorkingBuffers)
index--;
if (TrnBuffers[index].RenderSurface != NULL)
{
TrnBuffers[index].RenderSurface->Release();
TrnBuffers[index].RenderSurface = NULL;
}
if (TrnBuffers[index].ReadSurface != NULL)
{
TrnBuffers[index].ReadSurface->Release();
TrnBuffers[index].ReadSurface = NULL;
}
if (TrnBuffers[index].FBTexture != NULL)
{
TrnBuffers[index].FBTexture->Release();
TrnBuffers[index].FBTexture = NULL;
}
TrnBuffers[index].Width = dstWidth;
TrnBuffers[index].Height = dstHeight;
D3D::dev->CreateTexture(dstWidth, dstHeight, 1, D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT, &TrnBuffers[index].FBTexture, NULL);
TrnBuffers[index].FBTexture->GetSurfaceLevel(0,&TrnBuffers[index].RenderSurface);
D3D::dev->CreateOffscreenPlainSurface(dstWidth, dstHeight, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &TrnBuffers[index].ReadSurface, NULL );
}
s_texConvReadSurface = TrnBuffers[index].ReadSurface;
Rendersurf = TrnBuffers[index].RenderSurface;
hr = D3D::dev->SetDepthStencilSurface(NULL);
hr = D3D::dev->SetRenderTarget(0, Rendersurf);
if (linearFilter)
{
D3D::ChangeSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
}
else
{
D3D::ChangeSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
}
D3DVIEWPORT9 vp;
vp.X = 0;
vp.Y = 0;
vp.Width = dstWidth;
vp.Height = dstHeight;
vp.MinZ = 0.0f;
vp.MaxZ = 1.0f;
hr = D3D::dev->SetViewport(&vp);
RECT SrcRect;
SrcRect.top = sourceRc.top;
SrcRect.left = sourceRc.left;
SrcRect.right = sourceRc.right;
SrcRect.bottom = sourceRc.bottom;
RECT DstRect;
DstRect.top = 0;
DstRect.left = 0;
DstRect.right = dstWidth;
DstRect.bottom = dstHeight;
// Draw...
D3D::drawShadedTexQuad(srcTexture,&SrcRect,1,1,dstWidth,dstHeight,shader,VertexShaderCache::GetSimpleVertexShader(0));
D3D::RefreshSamplerState(0, D3DSAMP_MINFILTER);
// .. and then read back the results.
// TODO: make this less slow.
D3DLOCKED_RECT drect;
hr = D3D::dev->GetRenderTargetData(Rendersurf,s_texConvReadSurface);
hr = s_texConvReadSurface->LockRect(&drect, &DstRect, D3DLOCK_READONLY);
int writeStride = bpmem.copyMipMapStrideChannels * 32;
if (writeStride != readStride && toTexture)
{
// writing to a texture of a different size
int readHeight = readStride / dstWidth;
int readStart = 0;
int readLoops = dstHeight / (readHeight/4); // 4 bytes per pixel
u8 *Source = (u8*)drect.pBits;
for (int i = 0; i < readLoops; i++)
{
int readDist = dstWidth*readHeight;
memcpy(destAddr,Source,readDist);
Source += readDist;
destAddr += writeStride;
}
}
else
memcpy(destAddr,drect.pBits,dstWidth*dstHeight*4);// 4 bytes per pixel
hr = s_texConvReadSurface->UnlockRect();
}
void EncodeToRam(u32 address, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, int bScaleByHalf, const EFBRectangle& source)
{
u32 format = copyfmt;
if (bFromZBuffer)
{
format |= _GX_TF_ZTF;
if (copyfmt == 11)
format = GX_TF_Z16;
else if (format < GX_TF_Z8 || format > GX_TF_Z24X8)
format |= _GX_TF_CTF;
}
else
if (copyfmt > GX_TF_RGBA8 || (copyfmt < GX_TF_RGB565 && !bIsIntensityFmt))
format |= _GX_TF_CTF;
LPDIRECT3DPIXELSHADER9 texconv_shader = GetOrCreateEncodingShader(format);
if (!texconv_shader)
return;
u8 *dest_ptr = Memory_GetPtr(address);
LPDIRECT3DTEXTURE9 source_texture = bFromZBuffer ? FramebufferManager::GetEFBDepthTexture() : FramebufferManager::GetEFBColorTexture();
int width = (source.right - source.left) >> bScaleByHalf;
int height = (source.bottom - source.top) >> bScaleByHalf;
int size_in_bytes = TexDecoder_GetTextureSizeInBytes(width, height, format);
// Invalidate any existing texture covering this memory range.
// TODO - don't delete the texture if it already exists, just replace the contents.
TextureCache::InvalidateRange(address, size_in_bytes);
u16 blkW = TexDecoder_GetBlockWidthInTexels(format) - 1;
u16 blkH = TexDecoder_GetBlockHeightInTexels(format) - 1;
u16 samples = TextureConversionShader::GetEncodedSampleCount(format);
// only copy on cache line boundaries
// extra pixels are copied but not displayed in the resulting texture
s32 expandedWidth = (width + blkW) & (~blkW);
s32 expandedHeight = (height + blkH) & (~blkH);
float sampleStride = bScaleByHalf ? 2.f : 1.f;
TextureConversionShader::SetShaderParameters(
(float)expandedWidth,
(float)Renderer::EFBToScaledY(expandedHeight), // TODO: Why do we scale this?
(float)(Renderer::EFBToScaledX(source.left) + Renderer::TargetStrideX()),
(float)(Renderer::EFBToScaledY(source.top) + Renderer::TargetStrideY()),
Renderer::EFBToScaledXf(sampleStride),
Renderer::EFBToScaledYf(sampleStride),
(float)Renderer::GetFullTargetWidth(),
(float)Renderer::GetFullTargetHeight());
TargetRectangle scaledSource;
scaledSource.top = 0;
scaledSource.bottom = expandedHeight;
scaledSource.left = 0;
scaledSource.right = expandedWidth / samples;
int cacheBytes = 32;
if ((format & 0x0f) == 6)
cacheBytes = 64;
int readStride = (expandedWidth * cacheBytes) / TexDecoder_GetBlockWidthInTexels(format);
g_renderer->ResetAPIState();
EncodeToRamUsingShader(texconv_shader, source_texture, scaledSource, dest_ptr, expandedWidth / samples, expandedHeight, readStride, true, bScaleByHalf > 0,1.0f);
D3D::dev->SetRenderTarget(0, FramebufferManager::GetEFBColorRTSurface());
D3D::dev->SetDepthStencilSurface(FramebufferManager::GetEFBDepthRTSurface());
g_renderer->RestoreAPIState();
}
u64 EncodeToRamFromTexture(u32 address,LPDIRECT3DTEXTURE9 source_texture, u32 SourceW, u32 SourceH, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, int bScaleByHalf, const EFBRectangle& source)
{
u32 format = copyfmt;
if (bFromZBuffer)
{
format |= _GX_TF_ZTF;
if (copyfmt == 11)
format = GX_TF_Z16;
else if (format < GX_TF_Z8 || format > GX_TF_Z24X8)
format |= _GX_TF_CTF;
}
else
if (copyfmt > GX_TF_RGBA8 || (copyfmt < GX_TF_RGB565 && !bIsIntensityFmt))
format |= _GX_TF_CTF;
LPDIRECT3DPIXELSHADER9 texconv_shader = GetOrCreateEncodingShader(format);
if (!texconv_shader)
return 0;
u8 *dest_ptr = Memory_GetPtr(address);
int width = (source.right - source.left) >> bScaleByHalf;
int height = (source.bottom - source.top) >> bScaleByHalf;
int size_in_bytes = TexDecoder_GetTextureSizeInBytes(width, height, format);
u16 blkW = TexDecoder_GetBlockWidthInTexels(format) - 1;
u16 blkH = TexDecoder_GetBlockHeightInTexels(format) - 1;
u16 samples = TextureConversionShader::GetEncodedSampleCount(format);
// only copy on cache line boundaries
// extra pixels are copied but not displayed in the resulting texture
s32 expandedWidth = (width + blkW) & (~blkW);
s32 expandedHeight = (height + blkH) & (~blkH);
float sampleStride = bScaleByHalf ? 2.f : 1.f;
TextureConversionShader::SetShaderParameters(
(float)expandedWidth,
(float)Renderer::EFBToScaledY(expandedHeight), // TODO: Why do we scale this?
(float)(Renderer::EFBToScaledX(source.left) + Renderer::TargetStrideX()),
(float)(Renderer::EFBToScaledY(source.top) + Renderer::TargetStrideY()),
Renderer::EFBToScaledXf(sampleStride),
Renderer::EFBToScaledYf(sampleStride),
(float)SourceW,
(float)SourceH);
TargetRectangle scaledSource;
scaledSource.top = 0;
scaledSource.bottom = expandedHeight;
scaledSource.left = 0;
scaledSource.right = expandedWidth / samples;
int cacheBytes = 32;
if ((format & 0x0f) == 6)
cacheBytes = 64;
int readStride = (expandedWidth * cacheBytes) / TexDecoder_GetBlockWidthInTexels(format);
EncodeToRamUsingShader(texconv_shader, source_texture, scaledSource, dest_ptr, expandedWidth / samples, expandedHeight, readStride, true, bScaleByHalf > 0,1.0f);
u64 hash = 0;
if (g_ActiveConfig.bEFBCopyCacheEnable)
{
hash = GetHash64(dest_ptr,size_in_bytes,g_ActiveConfig.iSafeTextureCache_ColorSamples);
// If the texture in RAM is already in the texture cache, do not copy it again as it has not changed.
if (TextureCache::Find(address, hash))
return hash;
}
TextureCache::MakeRangeDynamic(address,size_in_bytes);
return hash;
}
void EncodeToRamYUYV(LPDIRECT3DTEXTURE9 srcTexture, const TargetRectangle& sourceRc, u8* destAddr, int dstWidth, int dstHeight,float Gamma)
{
TextureConversionShader::SetShaderParameters(
(float)dstWidth,
(float)dstHeight,
0.0f ,
0.0f,
1.0f,
1.0f,
(float)Renderer::GetFullTargetWidth(),
(float)Renderer::GetFullTargetHeight());
g_renderer->ResetAPIState();
EncodeToRamUsingShader(s_rgbToYuyvProgram, srcTexture, sourceRc, destAddr, dstWidth / 2, dstHeight, 0, false, false,Gamma);
D3D::dev->SetRenderTarget(0, FramebufferManager::GetEFBColorRTSurface());
D3D::dev->SetDepthStencilSurface(FramebufferManager::GetEFBDepthRTSurface());
g_renderer->RestoreAPIState();
}
// Should be scale free.
void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, LPDIRECT3DTEXTURE9 destTexture)
{
u8* srcAddr = Memory_GetPtr(xfbAddr);
if (!srcAddr)
{
WARN_LOG(VIDEO, "Tried to decode from invalid memory address");
return;
}
int srcFmtWidth = srcWidth / 2;
g_renderer->ResetAPIState(); // reset any game specific settings
LPDIRECT3DTEXTURE9 s_srcTexture = D3D::CreateTexture2D(srcAddr, srcFmtWidth, srcHeight, srcFmtWidth, D3DFMT_A8R8G8B8, false);
LPDIRECT3DSURFACE9 Rendersurf = NULL;
destTexture->GetSurfaceLevel(0,&Rendersurf);
D3D::dev->SetDepthStencilSurface(NULL);
D3D::dev->SetRenderTarget(0, Rendersurf);
D3DVIEWPORT9 vp;
// Stretch picture with increased internal resolution
vp.X = 0;
vp.Y = 0;
vp.Width = srcWidth;
vp.Height = srcHeight;
vp.MinZ = 0.0f;
vp.MaxZ = 1.0f;
D3D::dev->SetViewport(&vp);
RECT destrect;
destrect.bottom = srcHeight;
destrect.left = 0;
destrect.right = srcWidth;
destrect.top = 0;
RECT sourcerect;
sourcerect.bottom = srcHeight;
sourcerect.left = 0;
sourcerect.right = srcFmtWidth;
sourcerect.top = 0;
D3D::ChangeSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
D3D::ChangeSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
TextureConversionShader::SetShaderParameters(
(float)srcFmtWidth,
(float)srcHeight,
0.0f ,
0.0f,
1.0f,
1.0f,
(float)srcFmtWidth,
(float)srcHeight);
D3D::drawShadedTexQuad(
s_srcTexture,
&sourcerect,
1 ,
1,
srcWidth,
srcHeight,
s_yuyvToRgbProgram,
VertexShaderCache::GetSimpleVertexShader(0));
D3D::RefreshSamplerState(0, D3DSAMP_MINFILTER);
D3D::RefreshSamplerState(0, D3DSAMP_MAGFILTER);
D3D::SetTexture(0,NULL);
D3D::dev->SetRenderTarget(0, FramebufferManager::GetEFBColorRTSurface());
D3D::dev->SetDepthStencilSurface(FramebufferManager::GetEFBDepthRTSurface());
g_renderer->RestoreAPIState();
Rendersurf->Release();
s_srcTexture->Release();
}
} // namespace
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