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+/*
+ * Copyright (C) 2007 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 ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
+#define ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <EGL/egl.h>
+
+#include <utils/threads.h>
+#include <ui/Rect.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+#include <ui/egl/android_natives.h>
+
+
+extern "C" EGLNativeWindowType android_createDisplaySurface(void);
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+class Surface;
+class NativeBuffer;
+
+// ---------------------------------------------------------------------------
+
+class FramebufferNativeWindow
+ : public EGLNativeBase<
+ ANativeWindow,
+ FramebufferNativeWindow,
+ LightRefBase<FramebufferNativeWindow> >
+{
+public:
+ FramebufferNativeWindow();
+
+ framebuffer_device_t const * getDevice() const { return fbDev; }
+
+ bool isUpdateOnDemand() const { return mUpdateOnDemand; }
+ status_t setUpdateRectangle(const Rect& updateRect);
+ status_t compositionComplete();
+
+ // for debugging only
+ int getCurrentBufferIndex() const;
+
+private:
+ friend class LightRefBase<FramebufferNativeWindow>;
+ ~FramebufferNativeWindow(); // this class cannot be overloaded
+ static int setSwapInterval(ANativeWindow* window, int interval);
+ static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
+ static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+ static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+ static int query(ANativeWindow* window, int what, int* value);
+ static int perform(ANativeWindow* window, int operation, ...);
+
+ framebuffer_device_t* fbDev;
+ alloc_device_t* grDev;
+
+ sp<NativeBuffer> buffers[2];
+ sp<NativeBuffer> front;
+
+ mutable Mutex mutex;
+ Condition mCondition;
+ int32_t mNumBuffers;
+ int32_t mNumFreeBuffers;
+ int32_t mBufferHead;
+ int32_t mCurrentBufferIndex;
+ bool mUpdateOnDemand;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+// ---------------------------------------------------------------------------
+
+#endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
+