65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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* Copyright (C) 2017 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 CAR_EVS_APP_RENDERBASE_H
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#define CAR_EVS_APP_RENDERBASE_H
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <GLES3/gl3.h>
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#include <GLES3/gl3ext.h>
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#include <aidl/android/hardware/automotive/evs/BufferDesc.h>
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/*
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* Abstract base class for the workhorse classes that handle the user interaction and display for
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* each mode of the EVS application.
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*/
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class RenderBase {
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public:
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virtual ~RenderBase(){};
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virtual bool activate() = 0;
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virtual void deactivate() = 0;
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virtual bool drawFrame(
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const aidl::android::hardware::automotive::evs::BufferDesc& tgtBuffer) = 0;
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protected:
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static bool prepareGL();
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static bool attachRenderTarget(
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const aidl::android::hardware::automotive::evs::BufferDesc& tgtBuffer);
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static void detachRenderTarget();
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// OpenGL state shared among all renderers
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static EGLDisplay sDisplay;
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static EGLContext sContext;
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static EGLSurface sMockSurface;
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static GLuint sFrameBuffer;
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static GLuint sColorBuffer;
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static GLuint sDepthBuffer;
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static EGLImageKHR sKHRimage;
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static unsigned sWidth;
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static unsigned sHeight;
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static float sAspectRatio;
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};
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#endif // CAR_EVS_APP_RENDERBASE_H
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