commit a9042d3c195294cf6b2186f1c52260f1fc2b6004
author jchen10 <jie.a.chen@intel.com> Fri Mar 17 08:50:45 2017 +0800
committer Commit Bot <commit-bot@chromium.org> Thu Apr 13 16:34:59 2017 +0000
tree f36040bdaf2b29a6f4c258d2d31370c57025641c
parent e839078e86fafd2ece2068dc79240edc0df0d01a

ES31: Add array element transformfeedback

This enhances the PackedVarying to be either one element of array, or
whole array. Correspondingly the VaryingPacking is expanded to pack it
properly.

BUG=angleproject:1950

Change-Id: I0529d7ac4367d42b2b433410fbf08351412aada8
Reviewed-on: https://chromium-review.googlesource.com/459115
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/renderer/d3d/ProgramD3D.cpp

diff --git a/src/libANGLE/renderer/d3d/ProgramD3D.cpp b/src/libANGLE/renderer/d3d/ProgramD3D.cpp
index c2f478a..0b2a1c9 100644
--- a/src/libANGLE/renderer/d3d/ProgramD3D.cpp
+++ b/src/libANGLE/renderer/d3d/ProgramD3D.cpp
@@ -2415,6 +2415,8 @@
         }
         else
         {
+            size_t subscript     = GL_INVALID_INDEX;
+            std::string baseName = gl::ParseResourceName(tfVaryingName, &subscript);
             for (const auto &registerInfo : varyingPacking.getRegisterList())
             {
                 const auto &varying   = *registerInfo.packedVarying->varying;
@@ -2430,7 +2432,8 @@
 
                 // There can be more than one register assigned to a particular varying, and each
                 // register needs its own stream out entry.
-                if (tfVaryingName == varying.name)
+                if (baseName == registerInfo.packedVarying->varying->name &&
+                    (subscript == GL_INVALID_INDEX || subscript == registerInfo.varyingArrayIndex))
                 {
                     mStreamOutVaryings.push_back(D3DVarying(
                         varyingSemantic, registerInfo.semanticIndex, componentCount, outputSlot));