1 files changed, 73 insertions, 0 deletions
diff --git a/dom/canvas/WebGLUniformLocation.h b/dom/canvas/WebGLUniformLocation.h
new file mode 100644
index 000000000..f9710efe1
--- /dev/null
+++ b/dom/canvas/WebGLUniformLocation.h
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#ifndef WEBGL_UNIFORM_LOCATION_H_
+#define WEBGL_UNIFORM_LOCATION_H_
+
+#include "GLDefs.h"
+#include "mozilla/WeakPtr.h"
+#include "nsCycleCollectionParticipant.h" // NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS
+#include "nsISupportsImpl.h" // NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING
+#include "nsWrapperCache.h"
+
+#include "WebGLObjectModel.h"
+
+struct JSContext;
+
+namespace mozilla {
+class WebGLActiveInfo;
+class WebGLContext;
+class WebGLProgram;
+
+namespace webgl {
+struct LinkedProgramInfo;
+struct UniformInfo;
+} // namespace webgl
+
+class WebGLUniformLocation final
+    : public nsWrapperCache
+    , public WebGLContextBoundObject
+{
+public:
+    NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLUniformLocation)
+    NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLUniformLocation)
+
+    virtual JSObject* WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto) override;
+
+    WebGLContext* GetParentObject() const {
+        return mContext;
+    }
+
+    //////
+
+    const WeakPtr<const webgl::LinkedProgramInfo> mLinkInfo;
+    webgl::UniformInfo* const mInfo;
+    const GLuint mLoc;
+    const size_t mArrayIndex;
+
+    //////
+
+    WebGLUniformLocation(WebGLContext* webgl, const webgl::LinkedProgramInfo* linkInfo,
+                         webgl::UniformInfo* info, GLuint loc, size_t arrayIndex);
+
+    bool ValidateForProgram(const WebGLProgram* prog, const char* funcName) const;
+    bool ValidateSizeAndType(uint8_t setterElemSize, GLenum setterType,
+                             const char* funcName) const;
+    bool ValidateArrayLength(uint8_t setterElemSize, size_t setterArraySize,
+                             const char* funcName) const;
+
+    JS::Value GetUniform(JSContext* js) const;
+
+    // Needed for certain helper functions like ValidateObject.
+    // `WebGLUniformLocation`s can't be 'Deleted' in the WebGL sense.
+    bool IsDeleted() const { return false; }
+
+protected:
+    ~WebGLUniformLocation();
+};
+
+} // namespace mozilla
+
+#endif // WEBGL_UNIFORM_LOCATION_H_