| /* |
| * Copyright (C) 2011-2015 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 _LIBRENDER_FRAMEBUFFER_H |
| #define _LIBRENDER_FRAMEBUFFER_H |
| |
| #include <EGL/egl.h> |
| #include <stdint.h> |
| |
| #include <functional> |
| #include <map> |
| #include <memory> |
| #include <unordered_map> |
| #include <unordered_set> |
| |
| #include "ColorBuffer.h" |
| #include "DisplayVk.h" |
| #include "FbConfig.h" |
| #include "GLESVersionDetector.h" |
| #include "Hwc2.h" |
| #include "PostWorker.h" |
| #include "ReadbackWorker.h" |
| #include "RenderContext.h" |
| #include "Renderer.h" |
| #include "TextureDraw.h" |
| #include "WindowSurface.h" |
| #include "base/Lock.h" |
| #include "base/MessageChannel.h" |
| #include "base/Stream.h" |
| #include "base/Thread.h" |
| #include "base/WorkerThread.h" |
| #include "render_api.h" |
| #include "snapshot/common.h" |
| #include "vulkan/vk_util.h" |
| |
| struct ColorBufferRef { |
| ColorBufferPtr cb; |
| uint32_t refcount; // number of client-side references |
| |
| // Tracks whether opened at least once. In O+, |
| // color buffers can be created/closed immediately, |
| // but then registered (opened) afterwards. |
| bool opened; |
| |
| // Tracks the time when this buffer got a close request while not being |
| // opened yet. |
| uint64_t closedTs; |
| }; |
| |
| struct BufferRef { |
| BufferPtr buffer; |
| }; |
| |
| typedef std::unordered_map<HandleType, std::pair<WindowSurfacePtr, HandleType>> |
| WindowSurfaceMap; |
| typedef std::unordered_set<HandleType> WindowSurfaceSet; |
| typedef std::unordered_map<uint64_t, WindowSurfaceSet> ProcOwnedWindowSurfaces; |
| |
| typedef std::unordered_map<HandleType, RenderContextPtr> RenderContextMap; |
| typedef std::unordered_set<HandleType> RenderContextSet; |
| typedef std::unordered_map<uint64_t, RenderContextSet> ProcOwnedRenderContexts; |
| |
| typedef std::unordered_map<HandleType, ColorBufferRef> ColorBufferMap; |
| typedef std::unordered_multiset<HandleType> ColorBufferSet; |
| typedef std::unordered_map<uint64_t, ColorBufferSet> ProcOwnedColorBuffers; |
| |
| typedef std::unordered_map<HandleType, BufferRef> BufferMap; |
| typedef std::unordered_multiset<HandleType> BufferSet; |
| typedef std::unordered_map<uint64_t, BufferSet> ProcOwnedBuffers; |
| |
| typedef std::unordered_set<HandleType> EGLImageSet; |
| typedef std::unordered_map<uint64_t, EGLImageSet> ProcOwnedEGLImages; |
| |
| typedef std::unordered_map<void*, std::function<void()>> CallbackMap; |
| typedef std::unordered_map<uint64_t, CallbackMap> ProcOwnedCleanupCallbacks; |
| |
| typedef std::unordered_map<uint64_t, uint32_t*> ProcOwnedSequenceNumbers; |
| |
| // A structure used to list the capabilities of the underlying EGL |
| // implementation that the FrameBuffer instance depends on. |
| // |has_eglimage_texture_2d| is true iff the EGL_KHR_gl_texture_2D_image |
| // extension is supported. |
| // |has_eglimage_renderbuffer| is true iff the EGL_KHR_gl_renderbuffer_image |
| // extension is supported. |
| // |eglMajor| and |eglMinor| are the major and minor version numbers of |
| // the underlying EGL implementation. |
| struct FrameBufferCaps { |
| bool has_eglimage_texture_2d; |
| bool has_eglimage_renderbuffer; |
| EGLint eglMajor; |
| EGLint eglMinor; |
| }; |
| |
| // The FrameBuffer class holds the global state of the emulation library on |
| // top of the underlying EGL/GLES implementation. It should probably be |
| // named "Display" instead of "FrameBuffer". |
| // |
| // There is only one global instance, that can be retrieved with getFB(), |
| // and which must be previously setup by calling initialize(). |
| // |
| class FrameBuffer { |
| public: |
| // Initialize the global instance. |
| // |width| and |height| are the dimensions of the emulator GPU display |
| // in pixels. |useSubWindow| is true to indicate that the caller |
| // will use setupSubWindow() to let EmuGL display the GPU content in its |
| // own sub-windows. If false, this means the caller will use |
| // setPostCallback() instead to retrieve the content. |
| // Returns true on success, false otherwise. |
| static bool initialize(int width, int height, bool useSubWindow, |
| bool egl2egl); |
| |
| // Setup a sub-window to display the content of the emulated GPU |
| // on-top of an existing UI window. |p_window| is the platform-specific |
| // parent window handle. |wx|, |wy|, |ww| and |wh| are the |
| // dimensions in pixels of the sub-window, relative to the parent window's |
| // coordinate. |fbw| and |fbh| are the dimensions used to initialize |
| // the framebuffer, which may be different from the dimensions of the |
| // sub-window (in which case scaling will be applied automatically). |
| // |dpr| is the device pixel ratio of the monitor, which is needed for |
| // proper panning on high-density displays (like retina) |
| // |zRot| is a rotation angle in degrees, (clockwise in the Y-upwards GL |
| // coordinate space). |
| // |
| // If a sub-window already exists, this function updates the subwindow |
| // and framebuffer properties to match the given values. |
| // |
| // Return true on success, false otherwise. |
| // |
| // NOTE: This can return false for software-only EGL engines like OSMesa. |
| bool setupSubWindow(FBNativeWindowType p_window, int wx, int wy, int ww, |
| int wh, int fbw, int fbh, float dpr, float zRot, |
| bool deleteExisting, bool hideWindow); |
| |
| // Remove the sub-window created by setupSubWindow(), if any. |
| // Return true on success, false otherwise. |
| bool removeSubWindow(); |
| |
| // Finalize the instance. |
| void finalize(); |
| |
| // Return a pointer to the global instance. initialize() must be called |
| // previously, or this will return NULL. |
| static FrameBuffer* getFB() { return s_theFrameBuffer; } |
| |
| // Wait for a FrameBuffer instance to be initialized and ready to use. |
| // This function blocks the caller until there is a valid initialized |
| // object in getFB() and |
| static void waitUntilInitialized(); |
| |
| // Return the capabilities of the underlying display. |
| const FrameBufferCaps& getCaps() const { return m_caps; } |
| |
| // Return the emulated GPU display width in pixels. |
| int getWidth() const { return m_framebufferWidth; } |
| |
| // Return the emulated GPU display height in pixels. |
| int getHeight() const { return m_framebufferHeight; } |
| |
| // Return the list of configs available from this display. |
| const FbConfigList* getConfigs() const { return m_configs; } |
| |
| // Set a callback that will be called each time the emulated GPU content |
| // is updated. This can be relatively slow with host-based GPU emulation, |
| // so only do this when you need to. |
| void setPostCallback(emugl::Renderer::OnPostCallback onPost, |
| void* onPostContext, uint32_t displayId, |
| bool useBgraReadback = false); |
| |
| // Retrieve the GL strings of the underlying EGL/GLES implementation. |
| // On return, |*vendor|, |*renderer| and |*version| will point to strings |
| // that are owned by the instance (and must not be freed by the caller). |
| void getGLStrings(const char** vendor, const char** renderer, |
| const char** version) const { |
| *vendor = m_glVendor.c_str(); |
| *renderer = m_glRenderer.c_str(); |
| *version = m_glVersion.c_str(); |
| } |
| |
| // Create a new RenderContext instance for this display instance. |
| // |p_config| is the index of one of the configs returned by getConfigs(). |
| // |p_share| is either EGL_NO_CONTEXT or the handle of a shared context. |
| // |version| specifies the GLES version as a GLESApi enum. |
| // Return a new handle value, which will be 0 in case of error. |
| HandleType createRenderContext(int p_config, HandleType p_share, |
| GLESApi version = GLESApi_CM); |
| |
| // Create a new WindowSurface instance from this display instance. |
| // |p_config| is the index of one of the configs returned by getConfigs(). |
| // |p_width| and |p_height| are the window dimensions in pixels. |
| // Return a new handle value, or 0 in case of error. |
| HandleType createWindowSurface(int p_config, int p_width, int p_height); |
| |
| // Create a new ColorBuffer instance from this display instance. |
| // |p_width| and |p_height| are its dimensions in pixels. |
| // |p_internalFormat| is the OpenGL format of this color buffer. |
| // |p_frameworkFormat| describes the Android frameework format of this |
| // color buffer, if differing from |p_internalFormat|. |
| // See ColorBuffer::create() for |
| // list of valid values. Note that ColorBuffer instances are reference- |
| // counted. Use openColorBuffer / closeColorBuffer to operate on the |
| // internal count. |
| HandleType createColorBuffer(int p_width, int p_height, |
| GLenum p_internalFormat, |
| FrameworkFormat p_frameworkFormat); |
| // Variant of createColorBuffer except with a particular |
| // handle already assigned. This is for use with |
| // virtio-gpu's RESOURCE_CREATE ioctl. |
| void createColorBufferWithHandle(int p_width, int p_height, |
| GLenum p_internalFormat, |
| FrameworkFormat p_frameworkFormat, |
| HandleType handle); |
| |
| // Create a new data Buffer instance from this display instance. |
| // The buffer will be backed by a VkBuffer and VkDeviceMemory (if Vulkan |
| // is available). |
| // |size| is the requested size of Buffer in bytes. |
| // |memoryProperty| is the requested memory property bits of the device |
| // memory. |
| HandleType createBuffer(uint64_t size, uint32_t memoryProperty); |
| |
| // Call this function when a render thread terminates to destroy all |
| // the remaining contexts it created. Necessary to avoid leaking host |
| // contexts when a guest application crashes, for example. |
| void drainRenderContext(); |
| |
| // Call this function when a render thread terminates to destroy all |
| // remaining window surfqce it created. Necessary to avoid leaking |
| // host buffers when a guest application crashes, for example. |
| void drainWindowSurface(); |
| |
| // Destroy a given RenderContext instance. |p_context| is its handle |
| // value as returned by createRenderContext(). |
| void DestroyRenderContext(HandleType p_context); |
| |
| // Destroy a given WindowSurface instance. |p_surcace| is its handle |
| // value as returned by createWindowSurface(). |
| void DestroyWindowSurface(HandleType p_surface); |
| // Returns the set of ColorBuffers destroyed (for further cleanup) |
| std::vector<HandleType> DestroyWindowSurfaceLocked(HandleType p_surface); |
| |
| // Increment the reference count associated with a given ColorBuffer |
| // instance. |p_colorbuffer| is its handle value as returned by |
| // createColorBuffer(). |
| int openColorBuffer(HandleType p_colorbuffer); |
| |
| // Decrement the reference count associated with a given ColorBuffer |
| // instance. |p_colorbuffer| is its handle value as returned by |
| // createColorBuffer(). Note that if the reference count reaches 0, |
| // the instance is destroyed automatically. |
| void closeColorBuffer(HandleType p_colorbuffer); |
| |
| // Destroy a Buffer created previously. |p_buffer| is its handle value as |
| // returned by createBuffer(). |
| void closeBuffer(HandleType p_colorbuffer); |
| |
| void cleanupProcGLObjects(uint64_t puid); |
| |
| // Equivalent for eglMakeCurrent() for the current display. |
| // |p_context|, |p_drawSurface| and |p_readSurface| are the handle values |
| // of the context, the draw surface and the read surface, respectively. |
| // Returns true on success, false on failure. |
| // Note: if all handle values are 0, this is an unbind operation. |
| bool bindContext(HandleType p_context, HandleType p_drawSurface, |
| HandleType p_readSurface); |
| |
| // Return a render context pointer from its handle |
| RenderContextPtr getContext_locked(HandleType p_context); |
| |
| // Return a color buffer pointer from its handle |
| ColorBufferPtr getColorBuffer_locked(HandleType p_colorBuffer); |
| |
| // Return a color buffer pointer from its handle |
| WindowSurfacePtr getWindowSurface_locked(HandleType p_windowsurface); |
| |
| // Attach a ColorBuffer to a WindowSurface instance. |
| // See the documentation for WindowSurface::setColorBuffer(). |
| // |p_surface| is the target WindowSurface's handle value. |
| // |p_colorbuffer| is the ColorBuffer handle value. |
| // Returns true on success, false otherwise. |
| bool setWindowSurfaceColorBuffer(HandleType p_surface, |
| HandleType p_colorbuffer); |
| |
| // Copy the content of a WindowSurface's Pbuffer to its attached |
| // ColorBuffer. See the documentation for WindowSurface::flushColorBuffer() |
| // |p_surface| is the target WindowSurface's handle value. |
| // Returns true on success, false on failure. |
| bool flushWindowSurfaceColorBuffer(HandleType p_surface); |
| |
| // Retrieves the color buffer handle associated with |p_surface|. |
| // Returns 0 if there is no such handle. |
| HandleType getWindowSurfaceColorBufferHandle(HandleType p_surface); |
| |
| // Bind the current context's EGL_TEXTURE_2D texture to a ColorBuffer |
| // instance's EGLImage. This is intended to implement |
| // glEGLImageTargetTexture2DOES() for all GLES versions. |
| // |p_colorbuffer| is the ColorBuffer's handle value. |
| // Returns true on success, false on failure. |
| bool bindColorBufferToTexture(HandleType p_colorbuffer); |
| bool bindColorBufferToTexture2(HandleType p_colorbuffer); |
| |
| // Bind the current context's EGL_RENDERBUFFER_OES render buffer to this |
| // ColorBuffer's EGLImage. This is intended to implement |
| // glEGLImageTargetRenderbufferStorageOES() for all GLES versions. |
| // |p_colorbuffer| is the ColorBuffer's handle value. |
| // Returns true on success, false on failure. |
| bool bindColorBufferToRenderbuffer(HandleType p_colorbuffer); |
| |
| // Read the content of a given ColorBuffer into client memory. |
| // |p_colorbuffer| is the ColorBuffer's handle value. Similar |
| // to glReadPixels(), this can be a slow operation. |
| // |x|, |y|, |width| and |height| are the position and dimensions of |
| // a rectangle whose pixel values will be transfered to the host. |
| // |format| indicates the format of the pixel data, e.g. GL_RGB or GL_RGBA. |
| // |type| is the type of pixel data, e.g. GL_UNSIGNED_BYTE. |
| // |pixels| is the address of a caller-provided buffer that will be filled |
| // with the pixel data. |
| void readColorBuffer(HandleType p_colorbuffer, int x, int y, int width, |
| int height, GLenum format, GLenum type, void* pixels); |
| |
| // Read the content of a given YUV420_888 ColorBuffer into client memory. |
| // |p_colorbuffer| is the ColorBuffer's handle value. Similar |
| // to glReadPixels(), this can be a slow operation. |
| // |x|, |y|, |width| and |height| are the position and dimensions of |
| // a rectangle whose pixel values will be transfered to the host. |
| // |pixels| is the address of a caller-provided buffer that will be filled |
| // with the pixel data. |
| // |pixles_size| is the size of buffer |
| void readColorBufferYUV(HandleType p_colorbuffer, int x, int y, int width, |
| int height, void* pixels, uint32_t pixels_size); |
| |
| // create a Y texture and a UV texture with width and height, the created |
| // texture ids are stored in textures respectively |
| void createYUVTextures(uint32_t type, uint32_t count, int width, int height, |
| uint32_t* output); |
| void destroyYUVTextures(uint32_t type, uint32_t count, uint32_t* textures); |
| void updateYUVTextures(uint32_t type, uint32_t* textures, void* privData, |
| void* func); |
| void swapTexturesAndUpdateColorBuffer(uint32_t colorbufferhandle, int x, |
| int y, int width, int height, |
| uint32_t format, uint32_t type, |
| uint32_t texture_type, |
| uint32_t* textures); |
| |
| // Update the content of a given ColorBuffer from client data. |
| // |p_colorbuffer| is the ColorBuffer's handle value. Similar |
| // to glReadPixels(), this can be a slow operation. |
| // |x|, |y|, |width| and |height| are the position and dimensions of |
| // a rectangle whose pixel values will be transfered to the GPU |
| // |format| indicates the format of the OpenGL buffer, e.g. GL_RGB or |
| // GL_RGBA. |frameworkFormat| indicates the format of the pixel data; if |
| // FRAMEWORK_FORMAT_GL_COMPATIBLE, |format| (OpenGL format) is used. |
| // Otherwise, explicit conversion to |format| is needed. |
| // |type| is the type of pixel data, e.g. GL_UNSIGNED_BYTE. |
| // |pixels| is the address of a buffer containing the new pixel data. |
| // Returns true on success, false otherwise. |
| bool updateColorBuffer(HandleType p_colorbuffer, int x, int y, int width, |
| int height, GLenum format, GLenum type, |
| void* pixels); |
| // Replaces contents completely using the color buffer's current format, |
| // with row length equal to width of a row in bytes. |
| // The number of bytes is passed as a check. |
| bool replaceColorBufferContents(HandleType p_colorbuffer, |
| const void* pixels, size_t numBytes); |
| // Reads back the raw color buffer to |pixels| |
| // if |pixels| is not null. |
| // Always returns in |numBytes| how many bytes were |
| // planned to be transmitted. |
| // |numBytes| is not an input parameter; |
| // fewer or more bytes cannot be specified. |
| // If the framework format is YUV, it will read |
| // back as raw YUV data. |
| bool readColorBufferContents(HandleType p_colorbuffer, size_t* numBytes, |
| void* pixels); |
| |
| bool getColorBufferInfo(HandleType p_colorbuffer, int* width, int* height, |
| GLint* internalformat, |
| FrameworkFormat* frameworkFormat = nullptr); |
| bool getBufferInfo(HandleType p_buffer, int* size); |
| |
| // Display the content of a given ColorBuffer into the framebuffer's |
| // sub-window. |p_colorbuffer| is a handle value. |
| // |needLockAndBind| is used to indicate whether the operation requires |
| // acquiring/releasing the FrameBuffer instance's lock and binding the |
| // contexts. It should be |false| only when called internally. |
| bool post(HandleType p_colorbuffer, bool needLockAndBind = true); |
| bool hasGuestPostedAFrame() { return m_guestPostedAFrame; } |
| void resetGuestPostedAFrame() { m_guestPostedAFrame = false; } |
| |
| // Runs the post callback with |pixels| (good for when the readback |
| // happens in a separate place) |
| void doPostCallback(void* pixels, uint32_t displayId); |
| |
| void getPixels(void* pixels, uint32_t bytes, uint32_t displayId); |
| void flushReadPipeline(int displayId); |
| void ensureReadbackWorker(); |
| |
| bool asyncReadbackSupported(); |
| emugl::Renderer::ReadPixelsCallback getReadPixelsCallback(); |
| emugl::Renderer::FlushReadPixelPipeline getFlushReadPixelPipeline(); |
| |
| // Re-post the last ColorBuffer that was displayed through post(). |
| // This is useful if you detect that the sub-window content needs to |
| // be re-displayed for any reason. |
| bool repost(bool needLockAndBind = true); |
| |
| // Return the host EGLDisplay used by this instance. |
| EGLDisplay getDisplay() const { return m_eglDisplay; } |
| EGLSurface getWindowSurface() const { return m_eglSurface; } |
| EGLContext getContext() const { return m_eglContext; } |
| EGLConfig getConfig() const { return m_eglConfig; } |
| |
| // Change the rotation of the displayed GPU sub-window. |
| void setDisplayRotation(float zRot) { |
| if (zRot != m_zRot) { |
| m_zRot = zRot; |
| repost(); |
| } |
| } |
| |
| // Changes what coordinate of this framebuffer will be displayed at the |
| // corner of the GPU sub-window. Specifically, |px| and |py| = 0 means |
| // align the bottom-left of the framebuffer with the bottom-left of the |
| // sub-window, and |px| and |py| = 1 means align the top right of the |
| // framebuffer with the top right of the sub-window. Intermediate values |
| // interpolate between these states. |
| void setDisplayTranslation(float px, float py) { |
| // Sanity check the values to ensure they are between 0 and 1 |
| const float x = px > 1.f ? 1.f : (px < 0.f ? 0.f : px); |
| const float y = py > 1.f ? 1.f : (py < 0.f ? 0.f : py); |
| if (x != m_px || y != m_py) { |
| m_px = x; |
| m_py = y; |
| repost(); |
| } |
| } |
| |
| // Return a TextureDraw instance that can be used with this surfaces |
| // and windows created by this instance. |
| TextureDraw* getTextureDraw() const { return m_textureDraw; } |
| |
| // Create an eglImage and return its handle. Reference: |
| // https://www.khronos.org/registry/egl/extensions/KHR/EGL_KHR_image_base.txt |
| HandleType createClientImage(HandleType context, EGLenum target, |
| GLuint buffer); |
| // Call the implementation of eglDestroyImageKHR, return if succeeds or |
| // not. Reference: |
| // https://www.khronos.org/registry/egl/extensions/KHR/EGL_KHR_image_base.txt |
| EGLBoolean destroyClientImage(HandleType image); |
| |
| // Used internally. |
| bool bind_locked(); |
| bool unbind_locked(); |
| |
| void lockContextStructureRead() { m_contextStructureLock.lockRead(); } |
| void unlockContextStructureRead() { m_contextStructureLock.unlockRead(); } |
| |
| // For use with sync threads and otherwise, any time we need a GL context |
| // not specifically for drawing, but to obtain certain things about |
| // GL state. |
| // It can be unsafe / leaky to change the structure of contexts |
| // outside the facilities the FrameBuffer class provides. |
| void createTrivialContext(HandleType shared, HandleType* contextOut, |
| HandleType* surfOut); |
| // createAndBindTrivialSharedContext(), but with a m_pbufContext |
| // as shared, and not adding itself to the context map at all. |
| void createAndBindTrivialSharedContext(EGLContext* contextOut, |
| EGLSurface* surfOut); |
| void unbindAndDestroyTrivialSharedContext(EGLContext context, |
| EGLSurface surf); |
| |
| void setShuttingDown() { m_shuttingDown = true; } |
| bool isShuttingDown() const { return m_shuttingDown; } |
| bool compose(uint32_t bufferSize, void* buffer); |
| |
| ~FrameBuffer(); |
| |
| void onSave(android::base::Stream* stream, |
| const android::snapshot::ITextureSaverPtr& textureSaver); |
| bool onLoad(android::base::Stream* stream, |
| const android::snapshot::ITextureLoaderPtr& textureLoader); |
| |
| // lock and unlock handles (RenderContext, ColorBuffer, WindowSurface) |
| void lock(); |
| void unlock(); |
| |
| static void setMaxGLESVersion(GLESDispatchMaxVersion version); |
| static GLESDispatchMaxVersion getMaxGLESVersion(); |
| |
| float getDpr() const { return m_dpr; } |
| int windowWidth() const { return m_windowWidth; } |
| int windowHeight() const { return m_windowHeight; } |
| float getPx() const { return m_px; } |
| float getPy() const { return m_py; } |
| int getZrot() const { return m_zRot; } |
| |
| bool isFastBlitSupported() const { return m_fastBlitSupported; } |
| bool isVulkanInteropSupported() const { return m_vulkanInteropSupported; } |
| bool importMemoryToColorBuffer( |
| #ifdef _WIN32 |
| void* handle, |
| #else |
| int handle, |
| #endif |
| uint64_t size, bool dedicated, bool linearTiling, bool vulkanOnly, |
| uint32_t colorBufferHandle, VkImage, VkFormat); |
| void setColorBufferInUse(uint32_t colorBufferHandle, bool inUse); |
| |
| // Used during tests to disable fast blit. |
| void disableFastBlit(); |
| |
| // Fill GLES usage protobuf |
| void fillGLESUsages(android_studio::EmulatorGLESUsages*); |
| // Save a screenshot of the previous frame. |
| // nChannels should be 3 (RGB) or 4 (RGBA). |
| // Note: swiftshader_indirect does not work with 3 channels |
| void getScreenshot(unsigned int nChannels, unsigned int* width, |
| unsigned int* height, std::vector<unsigned char>& pixels, |
| int displayId, int desiredWidth, int desiredHeight, |
| int desiredRotation); |
| void onLastColorBufferRef(uint32_t handle); |
| ColorBuffer::Helper* getColorBufferHelper() { return m_colorBufferHelper; } |
| ColorBufferPtr findColorBuffer(HandleType p_colorbuffer); |
| |
| void registerProcessCleanupCallback(void* key, |
| std::function<void()> callback); |
| void unregisterProcessCleanupCallback(void* key); |
| |
| void registerProcessSequenceNumberForPuid(uint64_t puid); |
| uint32_t* getProcessSequenceNumberPtr(uint64_t puid); |
| |
| int createDisplay(uint32_t* displayId); |
| int destroyDisplay(uint32_t displayId); |
| int setDisplayColorBuffer(uint32_t displayId, uint32_t colorBuffer); |
| int getDisplayColorBuffer(uint32_t displayId, uint32_t* colorBuffer); |
| int getColorBufferDisplay(uint32_t colorBuffer, uint32_t* displayId); |
| int getDisplayPose(uint32_t displayId, int32_t* x, int32_t* y, uint32_t* w, |
| uint32_t* h); |
| int setDisplayPose(uint32_t displayId, int32_t x, int32_t y, uint32_t w, |
| uint32_t h, uint32_t dpi = 0); |
| void getCombinedDisplaySize(int* w, int* h); |
| struct DisplayInfo { |
| uint32_t cb; |
| int32_t pos_x; |
| int32_t pos_y; |
| uint32_t width; |
| uint32_t height; |
| uint32_t dpi; |
| DisplayInfo() |
| : cb(0), pos_x(0), pos_y(0), width(0), height(0), dpi(0){}; |
| DisplayInfo(uint32_t cb, int32_t x, int32_t y, uint32_t w, uint32_t h, |
| uint32_t d) |
| : cb(cb), pos_x(x), pos_y(y), width(w), height(h), dpi(d) {} |
| }; |
| // Inline with MultiDisplay::s_invalidIdMultiDisplay |
| static const uint32_t s_invalidIdMultiDisplay = 0xFFFFFFAB; |
| static const uint32_t s_maxNumMultiDisplay = 11; |
| |
| EGLContext getGlobalEGLContext() { return m_pbufContext; } |
| HandleType getLastPostedColorBuffer() { return m_lastPostedColorBuffer; } |
| void waitForGpu(uint64_t eglsync); |
| void waitForGpuVulkan(uint64_t deviceHandle, uint64_t fenceHandle); |
| |
| void setGuestManagedColorBufferLifetime(bool guestManaged); |
| |
| VkImageLayout getVkImageLayoutForPresent() const; |
| |
| private: |
| FrameBuffer(int p_width, int p_height, bool useSubWindow); |
| HandleType genHandle_locked(); |
| |
| bool bindSubwin_locked(); |
| bool bindFakeWindow_locked(); |
| bool removeSubWindow_locked(); |
| // Returns the set of ColorBuffers destroyed (for further cleanup) |
| std::vector<HandleType> cleanupProcGLObjects_locked(uint64_t puid, |
| bool forced = false); |
| |
| void markOpened(ColorBufferRef* cbRef); |
| // Returns true if the color buffer was erased. |
| bool closeColorBufferLocked(HandleType p_colorbuffer, bool forced = false); |
| // Returns true if this was the last ref and we need to destroy stuff. |
| bool decColorBufferRefCountLocked(HandleType p_colorbuffer); |
| // Close all expired color buffers for real. |
| // Treat all delayed color buffers as expired if forced=true |
| void performDelayedColorBufferCloseLocked(bool forced = false); |
| void eraseDelayedCloseColorBufferLocked(HandleType cb, uint64_t ts); |
| |
| bool postImpl(HandleType p_colorbuffer, bool needLockAndBind = true, |
| bool repaint = false); |
| void setGuestPostedAFrame() { m_guestPostedAFrame = true; } |
| HandleType createColorBufferLocked(int p_width, int p_height, |
| GLenum p_internalFormat, |
| FrameworkFormat p_frameworkFormat); |
| HandleType createColorBufferWithHandleLocked( |
| int p_width, int p_height, GLenum p_internalFormat, |
| FrameworkFormat p_frameworkFormat, HandleType handle); |
| HandleType createBufferLocked(int p_size); |
| HandleType createBufferWithHandleLocked(int p_size, HandleType handle); |
| |
| void recomputeLayout(); |
| void setDisplayPoseInSkinUI(int totalHeight); |
| void sweepColorBuffersLocked(); |
| |
| private: |
| static FrameBuffer* s_theFrameBuffer; |
| static HandleType s_nextHandle; |
| int m_x = 0; |
| int m_y = 0; |
| int m_framebufferWidth = 0; |
| int m_framebufferHeight = 0; |
| int m_windowWidth = 0; |
| int m_windowHeight = 0; |
| float m_dpr = 0; |
| |
| bool m_useSubWindow = false; |
| bool m_eglContextInitialized = false; |
| |
| bool m_fpsStats = false; |
| bool m_perfStats = false; |
| int m_statsNumFrames = 0; |
| long long m_statsStartTime = 0; |
| |
| android::base::Thread* m_perfThread; |
| android::base::Lock m_lock; |
| android::base::ReadWriteLock m_contextStructureLock; |
| FbConfigList* m_configs = nullptr; |
| FBNativeWindowType m_nativeWindow = 0; |
| FrameBufferCaps m_caps = {}; |
| EGLDisplay m_eglDisplay = EGL_NO_DISPLAY; |
| RenderContextMap m_contexts; |
| WindowSurfaceMap m_windows; |
| ColorBufferMap m_colorbuffers; |
| BufferMap m_buffers; |
| std::unordered_map<HandleType, HandleType> m_windowSurfaceToColorBuffer; |
| |
| // A collection of color buffers that were closed without any usages |
| // (|opened| == false). |
| // |
| // If a buffer reached |refcount| == 0 while not being |opened|, instead of |
| // deleting it we remember the timestamp when this happened. Later, we |
| // check if the buffer stayed unopened long enough and if it did, we delete |
| // it permanently. On the other hand, if the color buffer was used then |
| // we don't care about timestamps anymore. |
| // |
| // Note: this collection is ordered by |ts| field. |
| struct ColorBufferCloseInfo { |
| uint64_t ts; // when we got the close request. |
| HandleType cbHandle; // 0 == already closed, do nothing |
| }; |
| using ColorBufferDelayedClose = std::vector<ColorBufferCloseInfo>; |
| ColorBufferDelayedClose m_colorBufferDelayedCloseList; |
| |
| ColorBuffer::Helper* m_colorBufferHelper = nullptr; |
| |
| EGLSurface m_eglSurface = EGL_NO_SURFACE; |
| EGLContext m_eglContext = EGL_NO_CONTEXT; |
| EGLSurface m_pbufSurface = EGL_NO_SURFACE; |
| EGLContext m_pbufContext = EGL_NO_CONTEXT; |
| |
| EGLSurface m_eglFakeWindowSurface = EGL_NO_SURFACE; |
| EGLContext m_eglFakeWindowContext = EGL_NO_CONTEXT; |
| |
| EGLContext m_prevContext = EGL_NO_CONTEXT; |
| EGLSurface m_prevReadSurf = EGL_NO_SURFACE; |
| EGLSurface m_prevDrawSurf = EGL_NO_SURFACE; |
| EGLNativeWindowType m_subWin = {}; |
| TextureDraw* m_textureDraw = nullptr; |
| EGLConfig m_eglConfig = nullptr; |
| HandleType m_lastPostedColorBuffer = 0; |
| float m_zRot = 0; |
| float m_px = 0; |
| float m_py = 0; |
| |
| // Async readback |
| enum class ReadbackCmd { |
| Init = 0, |
| GetPixels = 1, |
| AddRecordDisplay = 2, |
| DelRecordDisplay = 3, |
| Exit = 4, |
| }; |
| struct Readback { |
| ReadbackCmd cmd; |
| uint32_t displayId; |
| GLuint bufferId; |
| void* pixelsOut; |
| uint32_t bytes; |
| uint32_t width; |
| uint32_t height; |
| }; |
| android::base::WorkerProcessingResult sendReadbackWorkerCmd( |
| const Readback& readback); |
| bool m_asyncReadbackSupported = true; |
| bool m_guestPostedAFrame = false; |
| |
| struct onPost { |
| emugl::Renderer::OnPostCallback cb; |
| void* context; |
| uint32_t displayId; |
| uint32_t width; |
| uint32_t height; |
| unsigned char* img = nullptr; |
| bool readBgra; |
| ~onPost() { |
| if (img) { |
| delete[] img; |
| img = nullptr; |
| } |
| } |
| }; |
| std::map<uint32_t, onPost> m_onPost; |
| std::unique_ptr<ReadbackWorker> m_readbackWorker; |
| android::base::WorkerThread<Readback> m_readbackThread; |
| |
| std::string m_glVendor; |
| std::string m_glRenderer; |
| std::string m_glVersion; |
| |
| // The host associates color buffers with guest processes for memory |
| // cleanup. Guest processes are identified with a host generated unique ID. |
| ProcOwnedWindowSurfaces m_procOwnedWindowSurfaces; |
| ProcOwnedColorBuffers m_procOwnedColorBuffers; |
| ProcOwnedEGLImages m_procOwnedEGLImages; |
| ProcOwnedRenderContexts m_procOwnedRenderContext; |
| ProcOwnedCleanupCallbacks m_procOwnedCleanupCallbacks; |
| ProcOwnedSequenceNumbers m_procOwnedSequenceNumbers; |
| |
| // Flag set when emulator is shutting down. |
| bool m_shuttingDown = false; |
| |
| // When this feature is enabled, open/close operations from gralloc in guest |
| // will no longer control the reference counting of color buffers on host. |
| // Instead, it will be managed by a file descriptor in the guest kernel. In |
| // case all the native handles in guest are destroyed, the pipe will be |
| // automatically closed by the kernel. We only need to do reference counting |
| // for color buffers attached in window surface. |
| bool m_refCountPipeEnabled = false; |
| |
| // When this feature is enabled, and m_refCountPipeEnabled == false, color |
| // buffer close operations will immediately close the color buffer if host |
| // refcount hits 0. This is for use with guest kernels where the color |
| // buffer is already tied to a file descriptor in the guest kernel. |
| bool m_noDelayCloseColorBufferEnabled = false; |
| |
| // Posting |
| enum class PostCmd { |
| Post = 0, |
| Viewport = 1, |
| Compose = 2, |
| Clear = 3, |
| Screenshot = 4, |
| Exit = 5, |
| }; |
| |
| struct Post { |
| PostCmd cmd; |
| int composeVersion; |
| std::vector<char> composeBuffer; |
| union { |
| ColorBuffer* cb; |
| struct { |
| int width; |
| int height; |
| } viewport; |
| struct { |
| ColorBuffer* cb; |
| int screenwidth; |
| int screenheight; |
| GLenum format; |
| GLenum type; |
| int rotation; |
| void* pixels; |
| } screenshot; |
| }; |
| }; |
| |
| std::unique_ptr<PostWorker> m_postWorker = {}; |
| android::base::WorkerThread<Post> m_postThread; |
| android::base::WorkerProcessingResult postWorkerFunc(const Post& post); |
| void sendPostWorkerCmd(Post post); |
| |
| bool m_fastBlitSupported = false; |
| bool m_vulkanInteropSupported = false; |
| bool m_guestUsesAngle = false; |
| // Whether the guest manages ColorBuffer lifetime |
| // so we don't need refcounting on the host side. |
| bool m_guestManagedColorBufferLifetime = false; |
| |
| android::base::MessageChannel<HandleType, 1024> |
| mOutstandingColorBufferDestroys; |
| |
| // The implementation for Vulkan native swapchain. Only initialized when |
| // useVulkan is set when calling FrameBuffer::initialize(). |
| std::unique_ptr<DisplayVk> m_displayVk; |
| VkInstance m_vkInstance = VK_NULL_HANDLE; |
| VkSurfaceKHR m_vkSurface = VK_NULL_HANDLE; |
| }; |
| #endif |
