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

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• Hash : 4968f6f2
  Author :
  Date : 2021-02-04T16:40:36
  

  Move getRendererDescription from ContextImpl to DisplayImpl
  
  The other backend description strings are in DisplayImpl. This will
  help with caching the result of glGetString in the GL backend. Also
  Update the getters to not be const in order to allow caching.
  
  Bug: chromium:1173672
  Change-Id: I43df35688762b23429f47f169c04482cf4cd089a
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2676881
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  

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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 ShareContextSet = 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; }
      ShareContextSet *getShareContextSet() { return &mShareContextSet; }
  
      std::vector<vk::ResourceUseList> &&releaseResourceUseLists()
      {
          return std::move(mResourceUseLists);
      }
      void acquireResourceUseList(vk::ResourceUseList &&resourceUseList)
      {
          mResourceUseLists.emplace_back(std::move(resourceUseList));
      }
  
      bool isSyncObjectPendingFlush() { return mSyncObjectPendingFlush; }
      void setSyncObjectPendingFlush() { mSyncObjectPendingFlush = true; }
      void clearSyncObjectPendingFlush() { mSyncObjectPendingFlush = false; }
  
    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
      ShareContextSet mShareContextSet;
  
      // 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;
  
      bool mSyncObjectPendingFlush;
  };
  
  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;
  
      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;
  
      // 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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