4a9ac37fe2
The ScreenShot layer is now created hidden. The screenshot itself is aquired during the transaction when the layer is made visible. This guarantees the screenshot and the layer happen atomically with respect to screen updates. Bug: 5534521 Change-Id: Ida23e1f13d5716ec83b78a15712e0646d6cf8729
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* Copyright (C) 2011 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 ANDROID_LAYER_SCREENSHOT_H
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#define ANDROID_LAYER_SCREENSHOT_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "LayerBase.h"
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// ---------------------------------------------------------------------------
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namespace android {
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class LayerScreenshot : public LayerBaseClient
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{
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GLuint mTextureName;
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GLfloat mTexCoords[8];
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sp<SurfaceFlinger> mFlinger;
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public:
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LayerScreenshot(SurfaceFlinger* flinger, DisplayID display,
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const sp<Client>& client);
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virtual ~LayerScreenshot();
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status_t capture();
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virtual void initStates(uint32_t w, uint32_t h, uint32_t flags);
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virtual uint32_t doTransaction(uint32_t flags);
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virtual void onDraw(const Region& clip) const;
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virtual bool isOpaque() const { return false; }
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virtual bool isSecure() const { return false; }
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virtual bool isProtectedByApp() const { return false; }
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virtual bool isProtectedByDRM() const { return false; }
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virtual const char* getTypeId() const { return "LayerScreenshot"; }
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private:
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status_t captureLocked();
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void initTexture(GLfloat u, GLfloat v);
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_LAYER_SCREENSHOT_H
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