From 31dbc523d9ee6fd7d7e46c540b5f675eeb559ed7 Mon Sep 17 00:00:00 2001
From: Steve Block <steveblock@google.com>
Date: Mon, 9 May 2011 16:25:46 +0100
Subject: Merge WebKit at r75315: Move Android-specific WebCore files to Source

This moves files in the following WebCore subdirectories ...
 - bindings/js
 - bindings/v8/custom
 - plugins/android
 - platform/android
 - platform/graphics/android
 - page/
 - css/
 - dom/
 - loader/archive/android
---
 .../graphics/android/DoubleBufferedTexture.h       | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Source/WebCore/platform/graphics/android/DoubleBufferedTexture.h

(limited to 'Source/WebCore/platform/graphics/android/DoubleBufferedTexture.h')

diff --git a/Source/WebCore/platform/graphics/android/DoubleBufferedTexture.h b/Source/WebCore/platform/graphics/android/DoubleBufferedTexture.h
new file mode 100644
index 0000000..ba56c0e
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/DoubleBufferedTexture.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 DoubleBufferedTexture_h
+#define DoubleBufferedTexture_h
+
+#include "SharedTexture.h"
+#include <EGL/egl.h>
+
+namespace WebCore {
+
+class DoubleBufferedTexture {
+public:
+    // consumer thread functions
+    DoubleBufferedTexture(EGLContext sharedContext);
+    virtual ~DoubleBufferedTexture();
+
+    // provider thread functions
+    virtual TextureInfo* producerLock();
+    virtual void producerRelease();
+    virtual void producerReleaseAndSwap();
+    EGLContext producerAcquireContext();
+    void producerDeleteTextures();
+
+    // consumer thread functions
+    TextureInfo* consumerLock();
+    void consumerRelease();
+    void consumerDeleteTextures();
+
+protected:
+    SharedTexture* getReadableTexture();
+    SharedTexture* getWriteableTexture();
+
+    SharedTexture m_textureA;
+    SharedTexture m_textureB;
+
+private:
+
+    SharedTexture* m_writeableTexture;
+    SharedTexture* m_lockedConsumerTexture; // only used by the consumer
+
+    EGLDisplay m_display;
+    EGLContext m_pContext;
+    EGLContext m_cContext;
+
+    bool m_supportsEGLImage;
+};
+
+} // namespace WebCore
+
+#endif // DoubleBufferedTexture_h
-- 
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