import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/canvas/WebGL1ContextUniforms.cpp

@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "WebGL1Context.h"
+
+namespace mozilla {
+
+bool
+WebGL1Context::ValidateAttribPointerType(bool /*integerMode*/, GLenum type,
+                                         uint32_t* out_alignment, const char* info)
+{
+    MOZ_ASSERT(out_alignment);
+    if (!out_alignment)
+        return false;
+
+    switch (type) {
+    case LOCAL_GL_BYTE:
+    case LOCAL_GL_UNSIGNED_BYTE:
+        *out_alignment = 1;
+        return true;
+
+    case LOCAL_GL_SHORT:
+    case LOCAL_GL_UNSIGNED_SHORT:
+        *out_alignment = 2;
+        return true;
+        // XXX case LOCAL_GL_FIXED:
+    case LOCAL_GL_FLOAT:
+        *out_alignment = 4;
+        return true;
+    }
+
+    ErrorInvalidEnumInfo(info, type);
+    return false;
+}
+
+bool
+WebGL1Context::ValidateUniformMatrixTranspose(bool transpose, const char* info)
+{
+    if (transpose) {
+        ErrorInvalidValue("%s: transpose must be FALSE as per the "
+                          "OpenGL ES 2.0 spec", info);
+        return false;
+    }
+
+    return true;
+}
+
+} // namespace mozilla