commit 4c09586e7c8ebff631e4c459fc5701a0c95e9693
author Geoff Lang <geofflang@google.com> Mon Jul 22 10:43:36 2013 -0400
committer Geoff Lang <geofflang@google.com> Fri Jul 26 17:07:13 2013 -0400
tree 6131f81269f3bcb4574a5618c41e8ec58176563c
parent c6354ee5882512fc09e7be42e243f91b994fd512

Cache applied primitive topology.

Issue #451

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang

src/libGLESv2/renderer/Renderer11.cpp

diff --git a/src/libGLESv2/renderer/Renderer11.cpp b/src/libGLESv2/renderer/Renderer11.cpp
index 2c5bb57..75dafad 100644
--- a/src/libGLESv2/renderer/Renderer11.cpp
+++ b/src/libGLESv2/renderer/Renderer11.cpp
@@ -877,7 +877,11 @@
         return gl::error(GL_INVALID_ENUM, false);
     }
 
-    mDeviceContext->IASetPrimitiveTopology(primitiveTopology);
+    if (primitiveTopology != mCurrentPrimitiveTopology)
+    {
+        mDeviceContext->IASetPrimitiveTopology(primitiveTopology);
+        mCurrentPrimitiveTopology = primitiveTopology;
+    }
 
     return count > 0;
 }
@@ -1853,6 +1857,8 @@
     mCurrentVertexConstantBuffer = NULL;
     mCurrentPixelConstantBuffer = NULL;
     mCurrentGeometryConstantBuffer = NULL;
+
+    mCurrentPrimitiveTopology = D3D_PRIMITIVE_TOPOLOGY_UNDEFINED;
 }
 
 void Renderer11::releaseDeviceResources()