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Revert "ShaderGen: Drop broken fragment shader index workaround for Vulkan"

This commit is contained in:
Pierre Bourdon 2018-09-01 05:32:56 +02:00 committed by GitHub
parent 4a34dba001
commit 95c2a92f26
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 46 additions and 6 deletions
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2
Source/Core/VideoCommon/DriverDetails.cpp
View File

@ -88,6 +88,8 @@ static BugInfo m_known_bugs[] = {
-1.0, true},
{API_OPENGL, OS_ALL, VENDOR_MESA, DRIVER_I965, Family::UNKNOWN, BUG_BROKEN_CLIP_DISTANCE, -1.0,
-1.0, true},
{API_VULKAN, OS_ALL, VENDOR_ATI, DRIVER_ATI, Family::UNKNOWN,
BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION, -1.0, -1.0, true},
{API_OPENGL, OS_WINDOWS, VENDOR_ATI, DRIVER_ATI, Family::UNKNOWN,
BUG_BROKEN_DUAL_SOURCE_BLENDING, -1.0, -1.0, true},
{API_OPENGL, OS_OSX, VENDOR_INTEL, DRIVER_INTEL, Family::UNKNOWN,

8
Source/Core/VideoCommon/DriverDetails.h
View File

@ -220,6 +220,14 @@ enum Bug
// the gl_ClipDistance inputs from the vertex shader.
BUG_BROKEN_CLIP_DISTANCE,
// Bug: Dual-source outputs from fragment shaders are broken on AMD Vulkan drivers
// Started Version: -1
// Ended Version: -1
// Fragment shaders that specify dual-source outputs, via layout(location = 0, index = ...) cause
// the driver to fail to create graphics pipelines. The workaround for this is to specify the
// index as a MRT location instead, or omit the binding completely.
BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION,
// Bug: Dual-source outputs from fragment shaders are broken on AMD OpenGL drivers
// Started Version: -1
// Ended Version: -1

21
Source/Core/VideoCommon/PixelShaderGen.cpp
View File

@ -553,8 +553,16 @@ ShaderCode GeneratePixelShaderCode(APIType ApiType, const ShaderHostConfig& host
{
if (use_dual_source)
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n");
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION))
{
out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION(1) out vec4 ocol1;\n");
}
else
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n");
}
}
else if (use_shader_blend)
{
@ -562,7 +570,14 @@ ShaderCode GeneratePixelShaderCode(APIType ApiType, const ShaderHostConfig& host
// intermediate value with multiple reads & modifications, so pull out the "real" output value
// and use a temporary for calculations, then set the output value once at the end of the
// shader
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) FRAGMENT_INOUT vec4 real_ocol0;\n");
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION))
{
out.Write("FRAGMENT_OUTPUT_LOCATION(0) FRAGMENT_INOUT vec4 real_ocol0;\n");
}
else
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) FRAGMENT_INOUT vec4 real_ocol0;\n");
}
}
else
{

21
Source/Core/VideoCommon/UberShaderPixel.cpp
View File

@ -69,8 +69,16 @@ ShaderCode GenPixelShader(APIType ApiType, const ShaderHostConfig& host_config,
{
if (use_dual_source)
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n");
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION))
{
out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION(1) out vec4 ocol1;\n");
}
else
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 ocol0;\n");
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n");
}
}
else if (use_shader_blend)
{
@ -78,7 +86,14 @@ ShaderCode GenPixelShader(APIType ApiType, const ShaderHostConfig& host_config,
// intermediate value with multiple reads & modifications, so pull out the "real" output value
// and use a temporary for calculations, then set the output value once at the end of the
// shader
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) FRAGMENT_INOUT vec4 real_ocol0;\n");
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION))
{
out.Write("FRAGMENT_OUTPUT_LOCATION(0) FRAGMENT_INOUT vec4 real_ocol0;\n");
}
else
{
out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) FRAGMENT_INOUT vec4 real_ocol0;\n");
}
}
else
{