commit 76746f9bc29d23a00a56eaa5941209976e3301bc
author Brandon Jones <brandon1.jones@intel.com> Wed Nov 22 11:44:41 2017 -0800
committer Commit Bot <commit-bot@chromium.org> Fri Dec 01 21:08:45 2017 +0000
tree 26b7218dced7a33d67cb2814baf77b304470204b
parent 361df070323f430aa0614c6eb04fb595dec3daa9

Optimize Fragment Shader Type Match Validation

Improves ValidateFragmentShaderColorBufferTypeMatch by storing input and
output types into a bitmask for quick comparison when validation is
needed. This shows a 2% improvement to glDrawElements for the aquarium
workload.

BUG=angleproject:2203
Change-Id: Iade2ecf28383164e370b48442f01fba6c0962fba
Reviewed-on: https://chromium-review.googlesource.com/775019
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

src/libANGLE/Program.h

diff --git a/src/libANGLE/Program.h b/src/libANGLE/Program.h
index ef02b10..33e28ef 100644
--- a/src/libANGLE/Program.h
+++ b/src/libANGLE/Program.h
@@ -369,6 +369,7 @@
 
     // Fragment output variable base types: FLOAT, INT, or UINT.  Ordered by location.
     std::vector<GLenum> mOutputVariableTypes;
+    DrawBufferTypeMask mDrawBufferTypeMask;
 
     bool mBinaryRetrieveableHint;
     bool mSeparable;
@@ -627,6 +628,8 @@
     int getNumViews() const { return mState.getNumViews(); }
     bool usesMultiview() const { return mState.usesMultiview(); }
 
+    DrawBufferTypeMask getDrawBufferTypeMask() const { return mState.mDrawBufferTypeMask; }
+
   private:
     ~Program() override;