Micro-optimize ValidateDrawBase.

src/libANGLE/Program.cpp

@@ -614,6 +614,11 @@ GLuint Program::getAttributeLocation(const std::string &name)
     return static_cast<GLuint>(-1);
 }
 
+const int *Program::getSemanticIndexes() const
+{
+    return mProgram->getSemanticIndexes();
+}
+
 int Program::getSemanticIndex(int attributeIndex)
 {
     ASSERT(attributeIndex >= 0 && attributeIndex < MAX_VERTEX_ATTRIBS);

src/libANGLE/Program.h

@@ -135,6 +135,7 @@ class Program : angle::NonCopyable
 
     GLuint getAttributeLocation(const std::string &name);
     int getSemanticIndex(int attributeIndex);
+    const int *getSemanticIndexes() const;
 
     void getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
     GLint getActiveAttributeCount();

src/libANGLE/validationES.cpp

@@ -1401,10 +1401,12 @@ static bool ValidateDrawBase(Context *context, GLenum mode, GLsizei count, GLsiz
 
     // Buffer validations
     const VertexArray *vao = state.getVertexArray();
-    for (int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++)
+    const auto &vertexAttribs = vao->getVertexAttributes();
+    const int *semanticIndexes = program->getSemanticIndexes();
+    for (size_t attributeIndex = 0; attributeIndex < vertexAttribs.size(); ++attributeIndex)
     {
-        const VertexAttribute &attrib = vao->getVertexAttribute(attributeIndex);
-        bool attribActive = (program->getSemanticIndex(attributeIndex) != -1);
+        const VertexAttribute &attrib = vertexAttribs[attributeIndex];
+        bool attribActive = (semanticIndexes[attributeIndex] != -1);
         if (attribActive && attrib.enabled)
         {
             gl::Buffer *buffer = attrib.buffer.get();