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corrected depth copy shader in dx9/dx11 to improve accuracy when doing efb to texture for depth formats

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6751 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Rodolfo Osvaldo Bogado 2011-01-05 17:16:52 +00:00
parent 4425140424
commit d435fd8957
4 changed files with 10 additions and 13 deletions
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1
Source/Core/VideoCommon/Src/BPStructs.cpp
View File

@ -360,7 +360,6 @@ void BPWritten(const BPCmd& bp)
// ----------------------------------
// Display Copy Filtering Control - GX_SetCopyFilter(u8 aa,u8 sample_pattern[12][2],u8 vf,u8 vfilter[7])
// Fields: Destination, Frame2Field, Gamma, Source
// TODO: We might have to implement the gamma one, some games might need this, if they are too dark to see.
// ----------------------------------
case BPMEM_DISPLAYCOPYFILER: // if (aa) { use sample_pattern } else { use 666666 }
case BPMEM_DISPLAYCOPYFILER+1: // if (aa) { use sample_pattern } else { use 666666 }

4
Source/Core/VideoCommon/Src/TextureCacheBase.cpp
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@ -428,6 +428,8 @@ void TextureCache::CopyRenderTargetToTexture(u32 address, bool bFromZBuffer,
switch(copyfmt)
{
case 0: // Z4
colmat[3] = colmat[7] = colmat[11] = colmat[15] = 1;
break;
case 1: // Z8
case 8: // Z8
colmat[2] = colmat[6] = colmat[10] = colmat[14] = 1;
@ -474,7 +476,7 @@ void TextureCache::CopyRenderTargetToTexture(u32 address, bool bFromZBuffer,
cbufid = 12;
break;
case 3: // Z16 //?
case 3: // Z16
colmat[1] = colmat[5] = colmat[9] = colmat[12] = 1.0f;
cbufid = 13;
break;

8
Source/Plugins/Plugin_VideoDX11/Src/PixelShaderCache.cpp
View File

@ -123,8 +123,8 @@ const char depth_matrix_program[] = {
" 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,255.0f,255.0f*255.0f,255.0f*255.0f*255.0f));\n"
"texcol = float4((EncodedDepth.rgb * (16777216.0f/16777215.0f)),1.0f);\n"
"float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,256.0f,256.0f*256.0f,256.0f*256.0f*16.0f));\n"
"texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * 255.0f) / 255.0f;\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};
@ -143,8 +143,8 @@ const char depth_matrix_program_msaa[] = {
"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,255.0f,255.0f*255.0f,255.0f*255.0f*255.0f));\n"
"texcol = float4((EncodedDepth.rgb * (16777216.0f/16777215.0f)),1.0f);\n"
"float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,256.0f,256.0f*256.0f,256.0f*256.0f*16.0f));\n"
"texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * 255.0f) / 255.0f;\n"
"ocol0 = float4(dot(texcol,cColMatrix[0]),dot(texcol,cColMatrix[1]),dot(texcol,cColMatrix[2]),dot(texcol,cColMatrix[3])) + cColMatrix[4];\n"
"}\n"
};

10
Source/Plugins/Plugin_VideoDX9/Src/PixelShaderCache.cpp
View File

@ -193,14 +193,10 @@ static LPDIRECT3DPIXELSHADER9 CreateCopyShader(int copyMatrixType, int depthConv
{
case PixelShaderCache::DEPTH_CONVERSION_TYPE_NONE:
break;
case PixelShaderCache::DEPTH_CONVERSION_TYPE_16BIT:
// this is probably wrong. but it works better than the 24-bit conversion we used to generate in this case.
WRITE(p, "float4 EncodedDepth = frac((texcol.r * (65535.0f/65536.0f)) * float4(1.0f,255.0f,255.0f*255.0f,255.0f*255.0f*255.0f));\n"
"texcol = float4((EncodedDepth.rgb * (65536.0f/65535.0f)),1.0f);\n");
break;
case PixelShaderCache::DEPTH_CONVERSION_TYPE_16BIT:
case PixelShaderCache::DEPTH_CONVERSION_TYPE_24BIT:
WRITE(p, "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");
WRITE(p, "float4 EncodedDepth = frac((texcol.r * (16777215.0f/16777216.0f)) * float4(1.0f,256.0f,256.0f*256.0f,256.0f*256.0f*16.0f));\n"
"texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * 255.0f) / 255.0f;\n");
break;
}
//Apply Gamma Correction