Initial import attempt, just to play with. Many things disabled/removed

ui/cc/ProgramBinding.h

+/*
+ * Copyright (C) 2011 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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 ProgramBinding_h
+#define ProgramBinding_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include <wtf/text/WTFString.h>
+
+namespace WebKit {
+class WebGraphicsContext3D;
+}
+
+namespace WebCore {
+
+class ProgramBindingBase {
+public:
+    ProgramBindingBase();
+    ~ProgramBindingBase();
+
+    void init(WebKit::WebGraphicsContext3D*, const String& vertexShader, const String& fragmentShader);
+    void cleanup(WebKit::WebGraphicsContext3D*);
+
+    unsigned program() const { ASSERT(m_initialized); return m_program; }
+    bool initialized() const { return m_initialized; }
+
+protected:
+
+    unsigned loadShader(WebKit::WebGraphicsContext3D*, unsigned type, const String& shaderSource);
+    unsigned createShaderProgram(WebKit::WebGraphicsContext3D*, const String& vertexShaderSource, const String& fragmentShaderSource);
+
+    unsigned m_program;
+    bool m_initialized;
+};
+
+template<class VertexShader, class FragmentShader>
+class ProgramBinding : public ProgramBindingBase {
+public:
+    explicit ProgramBinding(WebKit::WebGraphicsContext3D* context)
+    {
+        ProgramBindingBase::init(context, m_vertexShader.getShaderString(), m_fragmentShader.getShaderString());
+    }
+
+    void initialize(WebKit::WebGraphicsContext3D* context)
+    {
+        ASSERT(context);
+        ASSERT(m_program);
+        ASSERT(!m_initialized);
+
+        m_vertexShader.init(context, m_program);
+        m_fragmentShader.init(context, m_program);
+        m_initialized = true;
+    }
+
+    const VertexShader& vertexShader() const { return m_vertexShader; }
+    const FragmentShader& fragmentShader() const { return m_fragmentShader; }
+
+private:
+
+    VertexShader m_vertexShader;
+    FragmentShader m_fragmentShader;
+};
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif