commit 09e2d93b8dce503e3a39242857d67632afb92532
author Jamie Madill <jmadill@chromium.org> Tue Jul 14 16:40:31 2015 -0400
committer Jamie Madill <jmadill@chromium.org> Wed Jul 15 14:23:23 2015 +0000
tree a6564e9356eae5a91eaee4995c354949cfb972ed
parent c1ac41bb819083318aca7fd5546dffaad495f32b

D3D11: Futher optimize input layout cache.

*re-land with fix for matrix attributes*
*re-re-land with fix for attributes with BindAttribLocation*

Using the new vertex format type enum, we can shrink the size
of the input layout tables and reduce draw call overhead
further.

BUG=angleproject:959

Change-Id: I181acd3d7d519f5587cbe180fb1bca8530b7cfc2
Reviewed-on: https://chromium-review.googlesource.com/285348
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/formatutils.cpp

diff --git a/src/libANGLE/formatutils.cpp b/src/libANGLE/formatutils.cpp
index 506431e..b731dad 100644
--- a/src/libANGLE/formatutils.cpp
+++ b/src/libANGLE/formatutils.cpp
@@ -647,6 +647,58 @@
     return formatSet;
 }
 
+AttributeType GetAttributeType(GLenum enumValue)
+{
+    switch (enumValue)
+    {
+        case GL_FLOAT:
+            return ATTRIBUTE_FLOAT;
+        case GL_FLOAT_VEC2:
+            return ATTRIBUTE_VEC2;
+        case GL_FLOAT_VEC3:
+            return ATTRIBUTE_VEC3;
+        case GL_FLOAT_VEC4:
+            return ATTRIBUTE_VEC4;
+        case GL_INT:
+            return ATTRIBUTE_INT;
+        case GL_INT_VEC2:
+            return ATTRIBUTE_IVEC2;
+        case GL_INT_VEC3:
+            return ATTRIBUTE_IVEC3;
+        case GL_INT_VEC4:
+            return ATTRIBUTE_IVEC4;
+        case GL_UNSIGNED_INT:
+            return ATTRIBUTE_UINT;
+        case GL_UNSIGNED_INT_VEC2:
+            return ATTRIBUTE_UVEC2;
+        case GL_UNSIGNED_INT_VEC3:
+            return ATTRIBUTE_UVEC3;
+        case GL_UNSIGNED_INT_VEC4:
+            return ATTRIBUTE_UVEC4;
+        case GL_FLOAT_MAT2:
+            return ATTRIBUTE_MAT2;
+        case GL_FLOAT_MAT3:
+            return ATTRIBUTE_MAT3;
+        case GL_FLOAT_MAT4:
+            return ATTRIBUTE_MAT4;
+        case GL_FLOAT_MAT2x3:
+            return ATTRIBUTE_MAT2x3;
+        case GL_FLOAT_MAT2x4:
+            return ATTRIBUTE_MAT2x4;
+        case GL_FLOAT_MAT3x2:
+            return ATTRIBUTE_MAT3x2;
+        case GL_FLOAT_MAT3x4:
+            return ATTRIBUTE_MAT3x4;
+        case GL_FLOAT_MAT4x2:
+            return ATTRIBUTE_MAT4x2;
+        case GL_FLOAT_MAT4x3:
+            return ATTRIBUTE_MAT4x3;
+        default:
+            UNREACHABLE();
+            return ATTRIBUTE_FLOAT;
+    }
+}
+
 VertexFormatType GetVertexFormatType(GLenum type, GLboolean normalized, GLuint components, bool pureInteger)
 {
     switch (type)