1 files changed, 88 insertions, 0 deletions
diff --git a/libs/hwui/renderthread/EglManager.h b/libs/hwui/renderthread/EglManager.h
new file mode 100644
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+++ b/libs/hwui/renderthread/EglManager.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef EGLMANAGER_H
+#define EGLMANAGER_H
+
+#include <cutils/compiler.h>
+#include <EGL/egl.h>
+#include <ui/GraphicBuffer.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+namespace uirenderer {
+namespace renderthread {
+
+class RenderThread;
+
+// This class contains the shared global EGL objects, such as EGLDisplay
+// and EGLConfig, which are re-used by CanvasContext
+class EglManager {
+public:
+    // Returns true on success, false on failure
+    void initialize();
+
+    bool hasEglContext();
+    void requireGlContext();
+
+    void usePBufferSurface();
+    EGLSurface createSurface(EGLNativeWindowType window);
+    void destroySurface(EGLSurface surface);
+
+    void destroy();
+
+    bool isCurrent(EGLSurface surface) { return mCurrentSurface == surface; }
+    // Returns true if the current surface changed, false if it was already current
+    bool makeCurrent(EGLSurface surface);
+    void beginFrame(EGLSurface surface, EGLint* width, EGLint* height);
+    void swapBuffers(EGLSurface surface);
+
+    bool enableDirtyRegions(EGLSurface surface);
+
+    void setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize);
+
+private:
+    friend class RenderThread;
+
+    EglManager(RenderThread& thread);
+    // EglContext is never destroyed, method is purposely not implemented
+    ~EglManager();
+
+    void loadConfig();
+    void createContext();
+    void initAtlas();
+
+    RenderThread& mRenderThread;
+
+    EGLDisplay mEglDisplay;
+    EGLConfig mEglConfig;
+    EGLContext mEglContext;
+    EGLSurface mPBufferSurface;
+
+    const bool mRequestDirtyRegions;
+    bool mCanSetDirtyRegions;
+
+    EGLSurface mCurrentSurface;
+
+    sp<GraphicBuffer> mAtlasBuffer;
+    int64_t* mAtlasMap;
+    size_t mAtlasMapSize;
+};
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* EGLMANAGER_H */