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118 lines
3.4 KiB
118 lines
3.4 KiB
7 months ago
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/*
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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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#pragma once
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#include "base/Compiler.h"
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#include "base/MessageChannel.h"
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#include "host-common/window_agent.h"
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#include <EGL/egl.h>
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#include <GLES/gl.h>
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#include <GLES3/gl3.h>
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#include <functional>
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#include <vector>
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#include "Hwc2.h"
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#include "base/Compiler.h"
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#include "base/Lock.h"
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class ColorBuffer;
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class FrameBuffer;
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struct RenderThreadInfo;
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class PostWorker {
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public:
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using BindSubwinCallback = std::function<bool(void)>;
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PostWorker(BindSubwinCallback&& cb,
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bool mainThreadPostingOnly,
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EGLContext eglContext,
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EGLSurface eglSurface);
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~PostWorker();
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// post: posts the next color buffer.
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// Assumes framebuffer lock is held.
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void post(ColorBuffer* cb);
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// viewport: (re)initializes viewport dimensions.
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// Assumes framebuffer lock is held.
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// This is called whenever the subwindow needs a refresh
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// (FrameBuffer::setupSubWindow).
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void viewport(int width, int height);
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// compose: compse the layers into final framebuffer
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void compose(ComposeDevice* p, uint32_t bufferSize);
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// compose: compse the layers into final framebuffer, version 2
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void compose(ComposeDevice_v2* p, uint32_t bufferSize);
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// clear: blanks out emulator display when refreshing the subwindow
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// if there is no last posted color buffer to show yet.
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void clear();
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void screenshot(ColorBuffer* cb,
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int screenwidth,
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int screenheight,
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GLenum format,
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GLenum type,
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int skinRotation,
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void* pixels);
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private:
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// Impl versions of the above, so we can run it from separate threads
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void postImpl(ColorBuffer* cb);
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void viewportImpl(int width, int height);
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void composeImpl(ComposeDevice* p);
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void composev2Impl(ComposeDevice_v2* p);
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void clearImpl();
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// Subwindow binding
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void bind();
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void unbind();
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void composeLayer(ComposeLayer* l, uint32_t w, uint32_t h);
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void fillMultiDisplayPostStruct(ComposeLayer* l,
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hwc_rect_t displayArea,
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hwc_frect_t cropArea,
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hwc_transform_t transform);
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private:
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using UiThreadRunner = std::function<void(UiUpdateFunc, void*, bool)>;
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struct PostArgs {
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ColorBuffer* postCb;
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int width;
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int height;
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std::vector<char> composeBuffer;
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};
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FrameBuffer* mFb;
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std::function<bool(void)> mBindSubwin;
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bool m_initialized = false;
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int m_viewportWidth = 0;
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int m_viewportHeight = 0;
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GLuint m_composeFbo = 0;
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bool m_mainThreadPostingOnly = false;
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UiThreadRunner m_runOnUiThread = 0;
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android::base::MessageChannel<PostArgs, 1> m_toUiThread;
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EGLContext mContext = EGL_NO_CONTEXT;
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DISALLOW_COPY_AND_ASSIGN(PostWorker);
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};
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