88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
/*
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* Copyright 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SCREENRECORD_EGL_WINDOW_H
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#define SCREENRECORD_EGL_WINDOW_H
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#include <gui/BufferQueue.h>
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#include <utils/Errors.h>
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#include <EGL/egl.h>
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namespace android {
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/*
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* Wraps EGL display, context, surface, config for a window surface.
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*
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* Not thread safe.
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*/
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class EglWindow {
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public:
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EglWindow() :
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mEglDisplay(EGL_NO_DISPLAY),
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mEglContext(EGL_NO_CONTEXT),
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mEglSurface(EGL_NO_SURFACE),
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mEglConfig(NULL),
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mWidth(0),
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mHeight(0)
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{}
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~EglWindow() { eglRelease(); }
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// Creates an EGL window for the supplied surface.
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status_t createWindow(const sp<IGraphicBufferProducer>& surface);
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// Creates an EGL pbuffer surface.
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status_t createPbuffer(int width, int height);
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// Return width and height values (obtained from IGBP).
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int getWidth() const { return mWidth; }
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int getHeight() const { return mHeight; }
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// Release anything we created.
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void release() { eglRelease(); }
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// Make this context current.
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status_t makeCurrent() const;
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// Sets the presentation time on the current EGL buffer.
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void presentationTime(nsecs_t whenNsec) const;
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// Swaps the EGL buffer.
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void swapBuffers() const;
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private:
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EglWindow(const EglWindow&);
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EglWindow& operator=(const EglWindow&);
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// Init display, create config and context.
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status_t eglSetupContext(bool forPbuffer);
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void eglRelease();
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// Basic EGL goodies.
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EGLDisplay mEglDisplay;
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EGLContext mEglContext;
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EGLSurface mEglSurface;
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EGLConfig mEglConfig;
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// Surface dimensions.
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int mWidth;
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int mHeight;
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};
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}; // namespace android
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#endif /*SCREENRECORD_EGL_WINDOW_H*/
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