commit 84aa2dcf8a2de29f374177120f3b61bd6223c828
author Martin Radev <mradev@nvidia.com> Mon Sep 11 15:51:02 2017 +0300
committer Commit Bot <commit-bot@chromium.org> Tue Sep 19 23:18:38 2017 +0000
tree 58dbcffb26fd100dd99f292444359775a193636b
parent 72f58fa30559ff9f8444e1d6c3fd32e1112c6648

Add textureGather and textureGatherOffset

The patch adds new built-ins and extends the semantic parser to add
support for textureGather and textureGatherOffset.

BUG=angleproject:1442
TEST=angle_unittests
TEST=angle_deqp_gles31_tests.exe
     --deqp-case=dEQP-GLES31.functional.texture.gather*
     --deqp-egl-display-type=angle-gl

Change-Id: Iaf98c3420fbd61193072fdec8f5a61ac4c574101
Reviewed-on: https://chromium-review.googlesource.com/660124
Commit-Queue: Martin Radev <mradev@nvidia.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

src/libANGLE/Compiler.cpp

diff --git a/src/libANGLE/Compiler.cpp b/src/libANGLE/Compiler.cpp
index e415e35..99d7e6b 100644
--- a/src/libANGLE/Compiler.cpp
+++ b/src/libANGLE/Compiler.cpp
@@ -88,6 +88,8 @@
     mResources.MaxProgramTexelOffset   = caps.maxProgramTexelOffset;
 
     // GLSL ES 3.1 constants
+    mResources.MaxProgramTextureGatherOffset    = caps.maxProgramTextureGatherOffset;
+    mResources.MinProgramTextureGatherOffset    = caps.minProgramTextureGatherOffset;
     mResources.MaxImageUnits                    = caps.maxImageUnits;
     mResources.MaxVertexImageUniforms           = caps.maxVertexImageUniforms;
     mResources.MaxFragmentImageUniforms         = caps.maxFragmentImageUniforms;