commit 25aef45395aa512bed04fe4bf36103be486ca353
author Olli Etuaho <oetuaho@nvidia.com> Sun Jan 29 16:15:44 2017 -0800
committer Commit Bot <commit-bot@chromium.org> Thu Feb 02 12:32:04 2017 +0000
tree 2cebe2df44e4e57b52a340ad3b25a06a7dd98a38
parent 8ecf7f9b3d376c4d2d2c2a42fc454b18430b3d08

Add new ESSL 3.10 pack/unpack builtins

This adds new built-ins found in ESSL 3.10 section 8.4 Floating-Point
Pack and Unpack Functions.

This includes constant folding support and support for both GLSL and
HLSL output. In HLSL all of these functions need to be emulated.

BUG=angleproject:1730
TEST=angle_unittests
TEST=dEQP-GLES31.functional.shaders.*pack*norm4x8*

Change-Id: Ibed60286a366cd35c4faafd405e79af562a02a06
Reviewed-on: https://chromium-review.googlesource.com/434170
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/compiler/translator/OutputHLSL.cpp

diff --git a/src/compiler/translator/OutputHLSL.cpp b/src/compiler/translator/OutputHLSL.cpp
index 8a3794d..df0fa9f 100644
--- a/src/compiler/translator/OutputHLSL.cpp
+++ b/src/compiler/translator/OutputHLSL.cpp
@@ -1414,6 +1414,10 @@
         case EOpUnpackSnorm2x16:
         case EOpUnpackUnorm2x16:
         case EOpUnpackHalf2x16:
+        case EOpPackUnorm4x8:
+        case EOpPackSnorm4x8:
+        case EOpUnpackUnorm4x8:
+        case EOpUnpackSnorm4x8:
             ASSERT(node->getUseEmulatedFunction());
             writeEmulatedFunctionTriplet(out, visit, node->getOp());
             break;