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Add GEqual Z-test option for pipeline backends

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This commit is contained in:
Jack Andersen
2017-09-02 19:52:53 -10:00
parent 04ff1692d8
commit 18cbfd2865
5 changed files with 13 additions and 0 deletions
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1
include/boo/graphicsdev/IGraphicsDataFactory.hpp
View File

@@ -198,6 +198,7 @@ enum class ZTest
None,
LEqual, /* Flipped on Vulkan, D3D, Metal */
Greater,
GEqual,
Equal
};

3
lib/graphicsdev/D3D11.cpp
View File

@@ -564,6 +564,9 @@ class D3D11ShaderPipeline : public IShaderPipeline
case ZTest::Greater:
dsDesc.DepthFunc = D3D11_COMPARISON_LESS;
break;
case ZTest::GEqual:
dsDesc.DepthFunc = D3D11_COMPARISON_LESS_EQUAL;
break;
case ZTest::Equal:
dsDesc.DepthFunc = D3D11_COMPARISON_EQUAL;
break;

3
lib/graphicsdev/D3D12.cpp
View File

@@ -720,6 +720,9 @@ class D3D12ShaderPipeline : public IShaderPipeline
case ZTest::Greater:
desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS;
break;
case ZTest::GEqual:
desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
break;
case ZTest::Equal:
desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_EQUAL;
break;

3
lib/graphicsdev/GL.cpp
View File

@@ -503,6 +503,9 @@ public:
case ZTest::Greater:
glDepthFunc(GL_GREATER);
break;
case ZTest::GEqual:
glDepthFunc(GL_GEQUAL);
break;
case ZTest::Equal:
glDepthFunc(GL_EQUAL);
break;

3
lib/graphicsdev/Metal.mm
View File

@@ -656,6 +656,9 @@ class MetalShaderPipeline : public IShaderPipeline
case ZTest::Greater:
dsDesc.depthCompareFunction = MTLCompareFunctionLess;
break;
case ZTest::GEqual:
dsDesc.depthCompareFunction = MTLCompareFunctionLessEqual;
break;
case ZTest::Equal:
dsDesc.depthCompareFunction = MTLCompareFunctionEqual;
break;