1 files changed, 84 insertions, 0 deletions
diff --git a/cmds/screenrecord/EglWindow.h b/cmds/screenrecord/EglWindow.h
new file mode 100644
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+++ b/cmds/screenrecord/EglWindow.h
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+/*
+ * Copyright 2013 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 SCREENRECORD_EGL_WINDOW_H
+#define SCREENRECORD_EGL_WINDOW_H
+
+#include <gui/BufferQueue.h>
+#include <utils/Errors.h>
+
+#include <EGL/egl.h>
+
+namespace android {
+
+/*
+ * Wraps EGL display, context, surface, config for a window surface.
+ *
+ * Not thread safe.
+ */
+class EglWindow {
+public:
+    EglWindow() :
+        mEglDisplay(EGL_NO_DISPLAY),
+        mEglContext(EGL_NO_CONTEXT),
+        mEglSurface(EGL_NO_SURFACE),
+        mEglConfig(NULL),
+        mWidth(0),
+        mHeight(0)
+        {}
+    ~EglWindow() { eglRelease(); }
+
+    // Creates an EGL window for the supplied surface.
+    status_t createWindow(const sp<IGraphicBufferProducer>& surface);
+
+    // Return width and height values (obtained from IGBP).
+    int getWidth() const { return mWidth; }
+    int getHeight() const { return mHeight; }
+
+    // Release anything we created.
+    void release() { eglRelease(); }
+
+    // Make this context current.
+    status_t makeCurrent() const;
+
+    // Sets the presentation time on the current EGL buffer.
+    void presentationTime(nsecs_t whenNsec) const;
+
+    // Swaps the EGL buffer.
+    void swapBuffers() const;
+
+private:
+    EglWindow(const EglWindow&);
+    EglWindow& operator=(const EglWindow&);
+
+    // Init display, create config and context.
+    status_t eglSetupContext();
+    void eglRelease();
+
+    // Basic EGL goodies.
+    EGLDisplay mEglDisplay;
+    EGLContext mEglContext;
+    EGLSurface mEglSurface;
+    EGLConfig mEglConfig;
+
+    // Surface dimensions.
+    int mWidth;
+    int mHeight;
+};
+
+}; // namespace android
+
+#endif /*SCREENRECORD_EGL_WINDOW_H*/