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

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• Hash : f6e160fa
  Author :
  Date : 2018-06-12T10:13:57
  

  Vulkan: Don't use swizzle state when its not needed
  
  Enables a bunch of dEQP tests in the functional.fbo.render.* namespace.
  
  Bug: angleproject:2597
  Change-Id: I1a06b335d5daf2987df52c460903081860887ce9
  Reviewed-on: https://chromium-review.googlesource.com/1097596
  Commit-Queue: Luc Ferron <lucferron@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/TextureVk.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.
  //
  // TextureVk.h:
  //    Defines the class interface for TextureVk, implementing TextureImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_TEXTUREVK_H_
  #define LIBANGLE_RENDERER_VULKAN_TEXTUREVK_H_
  
  #include "libANGLE/renderer/TextureImpl.h"
  #include "libANGLE/renderer/vulkan/CommandGraph.h"
  #include "libANGLE/renderer/vulkan/RenderTargetVk.h"
  #include "libANGLE/renderer/vulkan/vk_helpers.h"
  
  namespace rx
  {
  
  class PixelBuffer final : angle::NonCopyable
  {
    public:
      PixelBuffer(RendererVk *renderer);
      ~PixelBuffer();
  
      void release(RendererVk *renderer);
  
      void removeStagedUpdates(const gl::ImageIndex &index);
  
      gl::Error stageSubresourceUpdate(ContextVk *contextVk,
                                       const gl::ImageIndex &index,
                                       const gl::Extents &extents,
                                       const gl::Offset &offset,
                                       const gl::InternalFormat &formatInfo,
                                       const gl::PixelUnpackState &unpack,
                                       GLenum type,
                                       const uint8_t *pixels);
  
      gl::Error stageSubresourceUpdateAndGetData(RendererVk *renderer,
                                                 size_t allocationSize,
                                                 const gl::ImageIndex &imageIndex,
                                                 const gl::Extents &extents,
                                                 const gl::Offset &offset,
                                                 uint8_t **destData);
  
      gl::Error stageSubresourceUpdateFromFramebuffer(const gl::Context *context,
                                                      const gl::ImageIndex &index,
                                                      const gl::Rectangle &sourceArea,
                                                      const gl::Offset &dstOffset,
                                                      const gl::Extents &dstExtent,
                                                      const gl::InternalFormat &formatInfo,
                                                      FramebufferVk *framebufferVk);
  
      // This will use the underlying dynamic buffer to allocate some memory to be used as a src or
      // dst.
      gl::Error allocate(RendererVk *renderer,
                         size_t sizeInBytes,
                         uint8_t **ptrOut,
                         VkBuffer *handleOut,
                         uint32_t *offsetOut,
                         bool *newBufferAllocatedOut);
  
      vk::Error flushUpdatesToImage(RendererVk *renderer,
                                    uint32_t levelCount,
                                    vk::ImageHelper *image,
                                    vk::CommandBuffer *commandBuffer);
  
      bool empty() const;
  
    private:
      struct SubresourceUpdate
      {
          SubresourceUpdate();
          SubresourceUpdate(VkBuffer bufferHandle, const VkBufferImageCopy &copyRegion);
          SubresourceUpdate(const SubresourceUpdate &other);
  
          VkBuffer bufferHandle;
          VkBufferImageCopy copyRegion;
      };
  
      vk::DynamicBuffer mStagingBuffer;
      std::vector<SubresourceUpdate> mSubresourceUpdates;
  };
  
  class TextureVk : public TextureImpl, public vk::CommandGraphResource
  {
    public:
      TextureVk(const gl::TextureState &state, RendererVk *renderer);
      ~TextureVk() override;
      gl::Error onDestroy(const gl::Context *context) override;
  
      gl::Error setImage(const gl::Context *context,
                         const gl::ImageIndex &index,
                         GLenum internalFormat,
                         const gl::Extents &size,
                         GLenum format,
                         GLenum type,
                         const gl::PixelUnpackState &unpack,
                         const uint8_t *pixels) override;
      gl::Error setSubImage(const gl::Context *context,
                            const gl::ImageIndex &index,
                            const gl::Box &area,
                            GLenum format,
                            GLenum type,
                            const gl::PixelUnpackState &unpack,
                            const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(const gl::Context *context,
                                   const gl::ImageIndex &index,
                                   GLenum internalFormat,
                                   const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack,
                                   size_t imageSize,
                                   const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(const gl::Context *context,
                                      const gl::ImageIndex &index,
                                      const gl::Box &area,
                                      GLenum format,
                                      const gl::PixelUnpackState &unpack,
                                      size_t imageSize,
                                      const uint8_t *pixels) override;
  
      gl::Error copyImage(const gl::Context *context,
                          const gl::ImageIndex &index,
                          const gl::Rectangle &sourceArea,
                          GLenum internalFormat,
                          gl::Framebuffer *source) override;
      gl::Error copySubImage(const gl::Context *context,
                             const gl::ImageIndex &index,
                             const gl::Offset &destOffset,
                             const gl::Rectangle &sourceArea,
                             gl::Framebuffer *source) override;
      gl::Error setStorage(const gl::Context *context,
                           gl::TextureType type,
                           size_t levels,
                           GLenum internalFormat,
                           const gl::Extents &size) override;
  
      gl::Error setEGLImageTarget(const gl::Context *context,
                                  gl::TextureType type,
                                  egl::Image *image) override;
  
      gl::Error setImageExternal(const gl::Context *context,
                                 gl::TextureType type,
                                 egl::Stream *stream,
                                 const egl::Stream::GLTextureDescription &desc) override;
  
      gl::Error generateMipmap(const gl::Context *context) override;
  
      gl::Error setBaseLevel(const gl::Context *context, GLuint baseLevel) override;
  
      gl::Error bindTexImage(const gl::Context *context, egl::Surface *surface) override;
      gl::Error releaseTexImage(const gl::Context *context) override;
  
      gl::Error getAttachmentRenderTarget(const gl::Context *context,
                                          GLenum binding,
                                          const gl::ImageIndex &imageIndex,
                                          FramebufferAttachmentRenderTarget **rtOut) override;
  
      gl::Error syncState(const gl::Context *context,
                          const gl::Texture::DirtyBits &dirtyBits) override;
  
      gl::Error setStorageMultisample(const gl::Context *context,
                                      gl::TextureType type,
                                      GLsizei samples,
                                      GLint internalformat,
                                      const gl::Extents &size,
                                      bool fixedSampleLocations) override;
  
      gl::Error initializeContents(const gl::Context *context,
                                   const gl::ImageIndex &imageIndex) override;
  
      const vk::ImageHelper &getImage() const;
      const vk::ImageView &getImageView() const;
      const vk::Sampler &getSampler() const;
  
      vk::Error ensureImageInitialized(ContextVk *contextVk);
  
    private:
      void generateMipmapWithBlit(RendererVk *renderer);
  
      gl::Error generateMipmapWithCPU(const gl::Context *context);
  
      gl::Error generateMipmapLevelsWithCPU(ContextVk *contextVk,
                                            const angle::Format &sourceFormat,
                                            GLuint layer,
                                            GLuint firstMipLevel,
                                            GLuint maxMipLevel,
                                            size_t sourceWidth,
                                            size_t sourceHeight,
                                            size_t sourceRowPitch,
                                            uint8_t *sourceData);
  
      gl::Error copySubImageImpl(const gl::Context *context,
                                 const gl::ImageIndex &index,
                                 const gl::Offset &destOffset,
                                 const gl::Rectangle &sourceArea,
                                 const gl::InternalFormat &internalFormat,
                                 gl::Framebuffer *source);
      vk::Error initImage(ContextVk *contextVk,
                          const vk::Format &format,
                          const gl::Extents &extents,
                          const uint32_t levelCount,
                          vk::CommandBuffer *commandBuffer);
      void releaseImage(const gl::Context *context, RendererVk *renderer);
      vk::Error getCommandBufferForWrite(RendererVk *renderer, vk::CommandBuffer **commandBufferOut);
      uint32_t getLevelCount() const;
  
      vk::ImageHelper mImage;
      vk::ImageView mBaseLevelImageView;
      vk::ImageView mMipmapImageView;
      vk::Sampler mSampler;
  
      RenderTargetVk mRenderTarget;
  
      PixelBuffer mPixelBuffer;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_TEXTUREVK_H_
  

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