commit a15f3e84bfc96b9ef97dd10150f8811adcbbdebf
author Zhenyao Mo <zmo@chromium.org> Mon Sep 23 14:57:08 2013 -0400
committer Jamie Madill <jmadill@chromium.org> Tue Sep 24 15:13:06 2013 -0400
tree 809cb2becc623bbf3ab2719282574f4083feeca2
parent f1d723c698d88c7f9086d7fa0aa1c064dddfa8d4

Expose the packing function so we can check varyings packing per program

ANGLEBUG=471
R=kbr@chromium.org

Review URL: https://codereview.appspot.com/13322043

src/compiler/ShaderLang.cpp

diff --git a/src/compiler/ShaderLang.cpp b/src/compiler/ShaderLang.cpp
index 6d954ca..acd5b72 100644
--- a/src/compiler/ShaderLang.cpp
+++ b/src/compiler/ShaderLang.cpp
@@ -15,6 +15,7 @@
 #include "compiler/preprocessor/length_limits.h"
 #include "compiler/ShHandle.h"
 #include "compiler/TranslatorHLSL.h"
+#include "compiler/VariablePacker.h"
 
 //
 // This is the platform independent interface between an OGL driver
@@ -389,3 +390,19 @@
     default: UNREACHABLE();
     }
 }
+
+int ShCheckVariablesWithinPackingLimits(
+    int maxVectors, ShVariableInfo* varInfoArray, size_t varInfoArraySize)
+{
+    if (varInfoArraySize == 0)
+        return 1;
+    ASSERT(varInfoArray);
+    TVariableInfoList variables;
+    for (size_t ii = 0; ii < varInfoArraySize; ++ii)
+    {
+        TVariableInfo var(varInfoArray[ii].type, varInfoArray[ii].size);
+        variables.push_back(var);
+    }
+    VariablePacker packer;
+    return packer.CheckVariablesWithinPackingLimits(maxVectors, variables) ? 1 : 0;
+}