Validate shaders so they don't exceed the texture unit counts.

src/common/version.h

 #define MAJOR_VERSION 0
 #define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 640
+#define BUILD_REVISION 641
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)

src/compiler/Initialize.cpp

@@ -353,7 +353,6 @@ static TString BuiltInFunctionsVertex(const ShBuiltInResources& resources)
     //
     // Texture Functions.
     //
-    if (resources.MaxVertexTextureImageUnits > 0) {
     s.append(TString("vec4 texture2D(sampler2D sampler, vec2 coord);"));
     s.append(TString("vec4 texture2DProj(sampler2D sampler, vec3 coord);"));
     s.append(TString("vec4 texture2DProj(sampler2D sampler, vec4 coord);"));
@@ -363,7 +362,6 @@ static TString BuiltInFunctionsVertex(const ShBuiltInResources& resources)
     s.append(TString("vec4 texture2DProjLod(sampler2D sampler, vec3 coord, float lod);"));
     s.append(TString("vec4 texture2DProjLod(sampler2D sampler, vec4 coord, float lod);"));
     s.append(TString("vec4 textureCubeLod(samplerCube sampler, vec3 coord, float lod);"));
-    }
 
     return s;
 }

src/libGLESv2/Program.cpp

@@ -1712,19 +1712,33 @@ bool Program::defineUniform(const D3DXHANDLE &constantHandle, const D3DXCONSTANT
         {
             if (mConstantTablePS->GetConstantByName(NULL, constantDescription.Name) != NULL)
             {
-                ASSERT(samplerIndex < sizeof(mSamplersPS)/sizeof(mSamplersPS[0]));
+                if (samplerIndex < MAX_TEXTURE_IMAGE_UNITS)
+                {
                     mSamplersPS[samplerIndex].active = true;
                     mSamplersPS[samplerIndex].textureType = (constantDescription.Type == D3DXPT_SAMPLERCUBE) ? TEXTURE_CUBE : TEXTURE_2D;
                     mSamplersPS[samplerIndex].logicalTextureUnit = 0;
                 }
+                else
+                {
+                    appendToInfoLog("Pixel shader sampler count exceeds MAX_TEXTURE_IMAGE_UNITS (%d).", MAX_TEXTURE_IMAGE_UNITS);
+                    return false;
+                }
+            }
             
             if (mConstantTableVS->GetConstantByName(NULL, constantDescription.Name) != NULL)
             {
-                ASSERT(samplerIndex < sizeof(mSamplersVS)/sizeof(mSamplersVS[0]));
+                if (samplerIndex < getContext()->getMaximumVertexTextureImageUnits())
+                {
                     mSamplersVS[samplerIndex].active = true;
                     mSamplersVS[samplerIndex].textureType = (constantDescription.Type == D3DXPT_SAMPLERCUBE) ? TEXTURE_CUBE : TEXTURE_2D;
                     mSamplersVS[samplerIndex].logicalTextureUnit = 0;
                 }
+                else
+                {
+                    appendToInfoLog("Vertex shader sampler count exceeds MAX_VERTEX_TEXTURE_IMAGE_UNITS (%d).", getContext()->getMaximumVertexTextureImageUnits());
+                    return false;
+                }
+            }
         }
     }