Added utility functions for gl to D3D11 depth stencil states.
TRAC #22044
Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch
Author: Geoff Lang
git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1437 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/renderer11_utils.cpp b/src/libGLESv2/renderer/renderer11_utils.cpp
index 64b62dd..3a888cb 100644
--- a/src/libGLESv2/renderer/renderer11_utils.cpp
+++ b/src/libGLESv2/renderer/renderer11_utils.cpp
@@ -100,6 +100,55 @@
return cull;
}
+D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison)
+{
+ D3D11_COMPARISON_FUNC d3dComp = D3D11_COMPARISON_NEVER;
+ switch (comparison)
+ {
+ case GL_NEVER: d3dComp = D3D11_COMPARISON_NEVER; break;
+ case GL_ALWAYS: d3dComp = D3D11_COMPARISON_ALWAYS; break;
+ case GL_LESS: d3dComp = D3D11_COMPARISON_LESS; break;
+ case GL_LEQUAL: d3dComp = D3D11_COMPARISON_LESS_EQUAL; break;
+ case GL_EQUAL: d3dComp = D3D11_COMPARISON_EQUAL; break;
+ case GL_GREATER: d3dComp = D3D11_COMPARISON_GREATER; break;
+ case GL_GEQUAL: d3dComp = D3D11_COMPARISON_GREATER_EQUAL; break;
+ case GL_NOTEQUAL: d3dComp = D3D11_COMPARISON_NOT_EQUAL; break;
+ default: UNREACHABLE();
+ }
+
+ return d3dComp;
+}
+
+D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled)
+{
+ return depthWriteEnabled ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
+}
+
+UINT8 ConvertStencilMask(GLuint stencilmask)
+{
+ return static_cast<UINT8>(stencilmask);
+}
+
+D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp)
+{
+ D3D11_STENCIL_OP d3dStencilOp = D3D11_STENCIL_OP_KEEP;
+
+ switch (stencilOp)
+ {
+ case GL_ZERO: d3dStencilOp = D3D11_STENCIL_OP_ZERO; break;
+ case GL_KEEP: d3dStencilOp = D3D11_STENCIL_OP_KEEP; break;
+ case GL_REPLACE: d3dStencilOp = D3D11_STENCIL_OP_REPLACE; break;
+ case GL_INCR: d3dStencilOp = D3D11_STENCIL_OP_INCR_SAT; break;
+ case GL_DECR: d3dStencilOp = D3D11_STENCIL_OP_DECR_SAT; break;
+ case GL_INVERT: d3dStencilOp = D3D11_STENCIL_OP_INVERT; break;
+ case GL_INCR_WRAP: d3dStencilOp = D3D11_STENCIL_OP_INCR; break;
+ case GL_DECR_WRAP: d3dStencilOp = D3D11_STENCIL_OP_DECR; break;
+ default: UNREACHABLE();
+ }
+
+ return d3dStencilOp;
+}
+
}
namespace d3d11_gl