kc3-lang/angle/src/libANGLE/renderer/vulkan/DisplayVk.h

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• Hash : 81d964a1
  Author :
  Date : 2021-10-28T10:50:51
  

  vulkan: implement EGLDevice for vulkan backend
  
  It allows ANGLE clients to get and use VkDevice and VkQueue
  used by vulkan backend.
  
  Bug: chromium:1264439
  Change-Id: I338ac08152cfec50bb34c5025730e5e6368efba9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3250964
  Reviewed-by: Peng Huang <penghuang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Peng Huang <penghuang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/DisplayVk.h

• //
  // Copyright 2016 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // DisplayVk.h:
  //    Defines the class interface for DisplayVk, implementing DisplayImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_DISPLAYVK_H_
  #define LIBANGLE_RENDERER_VULKAN_DISPLAYVK_H_
  
  #include "common/MemoryBuffer.h"
  #include "libANGLE/renderer/DisplayImpl.h"
  #include "libANGLE/renderer/vulkan/ResourceVk.h"
  #include "libANGLE/renderer/vulkan/vk_cache_utils.h"
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  
  namespace rx
  {
  class RendererVk;
  
  using ContextVkSet = std::set<ContextVk *>;
  
  class ShareGroupVk : public ShareGroupImpl
  {
    public:
      ShareGroupVk();
      void onDestroy(const egl::Display *display) override;
  
      // PipelineLayoutCache and DescriptorSetLayoutCache can be shared between multiple threads
      // accessing them via shared contexts. The ShareGroup locks around gl entrypoints ensuring
      // synchronous update to the caches.
      PipelineLayoutCache &getPipelineLayoutCache() { return mPipelineLayoutCache; }
      DescriptorSetLayoutCache &getDescriptorSetLayoutCache() { return mDescriptorSetLayoutCache; }
      ContextVkSet *getContexts() { return &mContexts; }
  
      std::vector<vk::ResourceUseList> &&releaseResourceUseLists()
      {
          return std::move(mResourceUseLists);
      }
      void acquireResourceUseList(vk::ResourceUseList &&resourceUseList)
      {
          mResourceUseLists.emplace_back(std::move(resourceUseList));
      }
  
    private:
      // ANGLE uses a PipelineLayout cache to store compatible pipeline layouts.
      PipelineLayoutCache mPipelineLayoutCache;
  
      // DescriptorSetLayouts are also managed in a cache.
      DescriptorSetLayoutCache mDescriptorSetLayoutCache;
  
      // The list of contexts within the share group
      ContextVkSet mContexts;
  
      // List of resources currently used that need to be freed when any ContextVk in this
      // ShareGroupVk submits the next command.
      std::vector<vk::ResourceUseList> mResourceUseLists;
  };
  
  class DisplayVk : public DisplayImpl, public vk::Context
  {
    public:
      DisplayVk(const egl::DisplayState &state);
      ~DisplayVk() override;
  
      egl::Error initialize(egl::Display *display) override;
      void terminate() override;
  
      egl::Error makeCurrent(egl::Display *display,
                             egl::Surface *drawSurface,
                             egl::Surface *readSurface,
                             gl::Context *context) override;
  
      bool testDeviceLost() override;
      egl::Error restoreLostDevice(const egl::Display *display) override;
  
      std::string getRendererDescription() override;
      std::string getVendorString() override;
      std::string getVersionString() override;
  
      DeviceImpl *createDevice() override;
  
      egl::Error waitClient(const gl::Context *context) override;
      egl::Error waitNative(const gl::Context *context, EGLint engine) override;
  
      SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
                                       EGLNativeWindowType window,
                                       const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
                                        const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
                                                 EGLenum buftype,
                                                 EGLClientBuffer clientBuffer,
                                                 const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
                                       NativePixmapType nativePixmap,
                                       const egl::AttributeMap &attribs) override;
  
      ImageImpl *createImage(const egl::ImageState &state,
                             const gl::Context *context,
                             EGLenum target,
                             const egl::AttributeMap &attribs) override;
  
      ContextImpl *createContext(const gl::State &state,
                                 gl::ErrorSet *errorSet,
                                 const egl::Config *configuration,
                                 const gl::Context *shareContext,
                                 const egl::AttributeMap &attribs) override;
  
      StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
                                                         const egl::AttributeMap &attribs) override;
  
      EGLSyncImpl *createSync(const egl::AttributeMap &attribs) override;
  
      gl::Version getMaxSupportedESVersion() const override;
      gl::Version getMaxConformantESVersion() const override;
  
      virtual const char *getWSIExtension() const = 0;
      virtual const char *getWSILayer() const;
      virtual bool isUsingSwapchain() const;
  
      // Determine if a config with given formats and sample counts is supported.  This callback may
      // modify the config to add or remove platform specific attributes such as nativeVisualID.  If
      // the config is not supported by the window system, it removes the EGL_WINDOW_BIT from
      // surfaceType, which would still allow the config to be used for pbuffers.
      virtual void checkConfigSupport(egl::Config *config) = 0;
  
      ANGLE_NO_DISCARD bool getScratchBuffer(size_t requestedSizeBytes,
                                             angle::MemoryBuffer **scratchBufferOut) const;
      angle::ScratchBuffer *getScratchBuffer() const { return &mScratchBuffer; }
  
      void handleError(VkResult result,
                       const char *file,
                       const char *function,
                       unsigned int line) override;
  
      // TODO(jmadill): Remove this once refactor is done. http://anglebug.com/3041
      egl::Error getEGLError(EGLint errorCode);
  
      void populateFeatureList(angle::FeatureList *features) override;
  
      ShareGroupImpl *createShareGroup() override;
  
    protected:
      void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
  
    private:
      virtual SurfaceImpl *createWindowSurfaceVk(const egl::SurfaceState &state,
                                                 EGLNativeWindowType window) = 0;
      void generateCaps(egl::Caps *outCaps) const override;
  
      virtual angle::Result waitNativeImpl();
  
      mutable angle::ScratchBuffer mScratchBuffer;
  
      vk::Error mSavedError;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_DISPLAYVK_H_
  

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