--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/canvas/WebGLTexture.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,129 @@
+/*
+ * 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 WebGLTexture_h
+#define WebGLTexture_h
+
+#include "CanvasObject.h"
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+    
+    class WebGLTexture : public CanvasObject {
+    public:
+        virtual ~WebGLTexture() { deleteObject(); }
+        
+        static PassRefPtr<WebGLTexture> create(WebGLRenderingContext*);
+
+        bool isCubeMapRWrapModeInitialized() {
+            return cubeMapRWrapModeInitialized;
+        }
+
+        void setCubeMapRWrapModeInitialized(bool initialized) {
+            cubeMapRWrapModeInitialized = initialized;
+        }
+
+        void setTarget(unsigned long target, int maxLevel);
+        void setParameteri(unsigned long pname, int param);
+        void setParameterf(unsigned long pname, float param);
+
+        void setLevelInfo(unsigned long target, int level, unsigned long internalFormat, int width, int height, unsigned long type);
+
+        bool canGenerateMipmaps();
+        // Generate all level information.
+        void generateMipmapLevelInfo();
+
+        unsigned long getInternalFormat() const;
+
+        // Whether width/height is NotPowerOfTwo.
+        static bool isNPOT(unsigned, unsigned);
+
+        bool isNPOT() const;
+        // Determine if texture sampling should always return [0, 0, 0, 1] (OpenGL ES 2.0 Sec 3.8.2).
+        bool needToUseBlackTexture() const;
+
+        static int computeLevelCount(int width, int height);
+
+    protected:
+        WebGLTexture(WebGLRenderingContext*);
+
+        virtual void _deleteObject(Platform3DObject);
+
+    private:
+        virtual bool isTexture() const { return true; }
+
+        void update();
+
+        int mapTargetToIndex(unsigned long);
+
+        bool cubeMapRWrapModeInitialized;
+
+        unsigned long m_target;
+
+        int m_minFilter;
+        int m_magFilter;
+        int m_wrapS;
+        int m_wrapT;
+
+        class LevelInfo {
+        public:
+            LevelInfo()
+                : valid(false)
+                , internalFormat(0)
+                , width(0)
+                , height(0)
+                , type(0)
+            {
+            }
+
+            void setInfo(unsigned long internalFmt, int w, int h, unsigned long tp)
+            {
+                valid = true;
+                internalFormat = internalFmt;
+                width = w;
+                height = h;
+                type = tp;
+            }
+
+            bool valid;
+            unsigned long internalFormat;
+            int width;
+            int height;
+            unsigned long type;
+        };
+
+        Vector<Vector<LevelInfo> > m_info;
+
+        bool m_isNPOT;
+        bool m_isComplete;
+        bool m_needToUseBlackTexture;
+    };
+    
+} // namespace WebCore
+
+#endif // WebGLTexture_h