Reorganize platform/graphics/android

Change-Id: Idc67155cfa99784dcd931e705336bfa063ecae46

1 files changed, 98 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/GLUtils.h b/Source/WebCore/platform/graphics/android/rendering/GLUtils.h
new file mode 100644
index 0000000..d4a2e84
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/GLUtils.h
@@ -0,0 +1,98 @@
+/*
+ * 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 GLUtils_h
+#define GLUtils_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "Color.h"
+#include "SkBitmap.h"
+#include "SkMatrix.h"
+#include "TransformationMatrix.h"
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+namespace android {
+
+class SurfaceTexture;
+
+} // namespace android
+
+namespace WebCore {
+
+class TileRenderInfo;
+
+class GLUtils {
+
+public:
+    // Matrix utilities
+    static void toGLMatrix(GLfloat* flattened, const TransformationMatrix& matrix);
+    static void toSkMatrix(SkMatrix& skmatrix, const TransformationMatrix& matrix);
+    static void setOrthographicMatrix(TransformationMatrix& ortho, float left, float top,
+                                      float right, float bottom, float nearZ, float farZ);
+
+    // GL & EGL error checks
+    static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE);
+    static bool checkGlErrorOn(void* p, const char* op);
+    static bool checkGlError(const char* op);
+    static void checkSurfaceTextureError(const char* functionName, int status);
+
+    // GL & EGL extension checks
+    static bool isEGLImageSupported();
+    static bool isEGLFenceSyncSupported();
+
+    // Texture utilities
+    static EGLContext createBackgroundContext(EGLContext sharedContext);
+    static void deleteTexture(GLuint* texture);
+    static GLuint createSampleColorTexture(int r, int g, int b);
+    static GLuint createSampleTexture();
+    static GLuint createTileGLTexture(int width, int height);
+
+    static void createTextureWithBitmap(GLuint texture, const SkBitmap& bitmap, GLint filter = GL_LINEAR);
+    static void updateTextureWithBitmap(GLuint texture, const SkBitmap& bitmap, const IntRect&, GLint filter = GL_LINEAR);
+    static void createEGLImageFromTexture(GLuint texture, EGLImageKHR* image);
+    static void createTextureFromEGLImage(GLuint texture, EGLImageKHR image, GLint filter = GL_LINEAR);
+
+    static void paintTextureWithBitmap(const TileRenderInfo* renderInfo, const SkBitmap& bitmap);
+    static void updateQueueWithBitmap(const TileRenderInfo* , const SkBitmap& bitmap);
+    static bool updateSharedSurfaceTextureWithBitmap(ANativeWindow* anw, const SkBitmap& bitmap);
+    static void convertToTransformationMatrix(const float* matrix, TransformationMatrix& transformMatrix);
+
+    static bool isPureColorBitmap(const SkBitmap& bitmap, Color& pureColor);
+    static bool skipTransferForPureColor(const TileRenderInfo* renderInfo,
+                                         const SkBitmap& bitmap);
+    static void clearBackgroundIfOpaque(const Color* backgroundColor);
+    static bool allowGLLog();
+    static double m_previousLogTime;
+    static int m_currentLogCounter;
+};
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
+#endif // GLUtils_h