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Disable color writing when alpha test always fails.

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This commit is contained in:
NeoBrainX 2013-01-08 17:23:01 +01:00
parent d26bcb0847
commit be706a3977
4 changed files with 21 additions and 13 deletions
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1
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
View File

@ -712,7 +712,6 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
WRITE(p, "prev = frac(prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
// TODO: ALPHATEST_FAIL should be handled by disabling color writes in the render state
AlphaTest::TEST_RESULT Pretest = bpmem.alpha_test.TestResult();
if (Pretest == AlphaTest::UNDETERMINED)
WriteAlphaTest(p, ApiType, dstAlphaMode);

3
Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
View File

@ -471,10 +471,13 @@ void Renderer::SetColorMask()
{
// Only enable alpha channel if it's supported by the current EFB format
UINT8 color_mask = 0;
if (bpmem.alpha_test.TestResult() != AlphaTest::FAIL)
{
if (bpmem.blendmode.alphaupdate && (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24))
color_mask = D3D11_COLOR_WRITE_ENABLE_ALPHA;
if (bpmem.blendmode.colorupdate)
color_mask |= D3D11_COLOR_WRITE_ENABLE_RED | D3D11_COLOR_WRITE_ENABLE_GREEN | D3D11_COLOR_WRITE_ENABLE_BLUE;
}
gx_state.blenddc.RenderTarget[0].RenderTargetWriteMask = color_mask;
}

3
Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
View File

@ -428,10 +428,13 @@ void Renderer::SetColorMask()
{
// Only enable alpha channel if it's supported by the current EFB format
DWORD color_mask = 0;
if (bpmem.alpha_test.TestResult() != AlphaTest::FAIL)
{
if (bpmem.blendmode.alphaupdate && (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24))
color_mask = D3DCOLORWRITEENABLE_ALPHA;
if (bpmem.blendmode.colorupdate)
color_mask |= D3DCOLORWRITEENABLE_RED | D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_BLUE;
}
D3D::SetRenderState(D3DRS_COLORWRITEENABLE, color_mask);
}

3
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
View File

@ -646,10 +646,13 @@ void Renderer::SetColorMask()
{
// Only enable alpha channel if it's supported by the current EFB format
GLenum ColorMask = GL_FALSE, AlphaMask = GL_FALSE;
if (bpmem.alpha_test.TestResult() != AlphaTest::FAIL)
{
if (bpmem.blendmode.colorupdate)
ColorMask = GL_TRUE;
if (bpmem.blendmode.alphaupdate && (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24))
AlphaMask = GL_TRUE;
}
glColorMask(ColorMask, ColorMask, ColorMask, AlphaMask);
}