Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 85 insertions, 0 deletions

diff --git a/Source/WebCore/html/canvas/WebGLRenderbuffer.h b/Source/WebCore/html/canvas/WebGLRenderbuffer.h
new file mode 100644
index 0000000..a432f9d
--- /dev/null
+++ b/Source/WebCore/html/canvas/WebGLRenderbuffer.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef WebGLRenderbuffer_h
+#define WebGLRenderbuffer_h
+
+#include "WebGLObject.h"
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class WebGLRenderbuffer : public WebGLObject {
+public:
+    virtual ~WebGLRenderbuffer() { deleteObject(); }
+
+    static PassRefPtr<WebGLRenderbuffer> create(WebGLRenderingContext*);
+
+    void setInternalFormat(unsigned long internalformat)
+    {
+        m_internalFormat = internalformat;
+        m_initialized = false;
+    }
+    unsigned long getInternalFormat() const { return m_internalFormat; }
+
+    void setSize(unsigned long width, unsigned long height)
+    {
+        m_width = width;
+        m_height = height;
+    }
+    unsigned long getWidth() const { return m_width; }
+    unsigned long getHeight() const { return m_height; }
+
+    void setIsValid(bool isValid) { m_isValid = isValid; }
+    bool isValid() const { return m_isValid; }
+
+    bool isInitialized() const { return m_initialized; }
+    void setInitialized() { m_initialized = true; }
+
+    bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
+
+    void setHasEverBeenBound() { m_hasEverBeenBound = true; }
+
+protected:
+    WebGLRenderbuffer(WebGLRenderingContext*);
+
+    virtual void deleteObjectImpl(Platform3DObject);
+
+private:
+    virtual bool isRenderbuffer() const { return true; }
+
+    unsigned long m_internalFormat;
+    bool m_initialized;
+    unsigned long m_width, m_height;
+    bool m_isValid; // This is only false if internalFormat is DEPTH_STENCIL and packed_depth_stencil is not supported.
+
+    bool m_hasEverBeenBound;
+};
+
+} // namespace WebCore
+
+#endif // WebGLRenderbuffer_h