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

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• Hash : daedf4d2
  Author :
  Date : 2018-03-16T09:28:53
  

  Vulkan: Add a DynamicDescriptorPool class.
  
  In order to manage the life of descriptor sets better and allow
  allocating descriptor sets infinitely.
  
  Bug:angleproject:2392
  
  Change-Id: Ia3c7145d85d697c04e8008e8d8839c428dd2e864
  Reviewed-on: https://chromium-review.googlesource.com/966786
  Commit-Queue: Luc Ferron <lucferron@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/ContextVk.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.
  //
  // ContextVk.h:
  //    Defines the class interface for ContextVk, implementing ContextImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_CONTEXTVK_H_
  #define LIBANGLE_RENDERER_VULKAN_CONTEXTVK_H_
  
  #include <vulkan/vulkan.h>
  
  #include "libANGLE/renderer/ContextImpl.h"
  #include "libANGLE/renderer/vulkan/DynamicDescriptorPool.h"
  #include "libANGLE/renderer/vulkan/StreamingBuffer.h"
  #include "libANGLE/renderer/vulkan/vk_cache_utils.h"
  
  namespace rx
  {
  class RendererVk;
  
  class ContextVk : public ContextImpl
  {
    public:
      ContextVk(const gl::ContextState &state, RendererVk *renderer);
      ~ContextVk() override;
  
      gl::Error initialize() override;
  
      void onDestroy(const gl::Context *context) override;
  
      // Flush and finish.
      gl::Error flush(const gl::Context *context) override;
      gl::Error finish(const gl::Context *context) override;
  
      // Drawing methods.
      gl::Error drawArrays(const gl::Context *context,
                           GLenum mode,
                           GLint first,
                           GLsizei count) override;
      gl::Error drawArraysInstanced(const gl::Context *context,
                                    GLenum mode,
                                    GLint first,
                                    GLsizei count,
                                    GLsizei instanceCount) override;
  
      gl::Error drawElements(const gl::Context *context,
                             GLenum mode,
                             GLsizei count,
                             GLenum type,
                             const void *indices) override;
      gl::Error drawElementsInstanced(const gl::Context *context,
                                      GLenum mode,
                                      GLsizei count,
                                      GLenum type,
                                      const void *indices,
                                      GLsizei instances) override;
      gl::Error drawRangeElements(const gl::Context *context,
                                  GLenum mode,
                                  GLuint start,
                                  GLuint end,
                                  GLsizei count,
                                  GLenum type,
                                  const void *indices) override;
      gl::Error drawArraysIndirect(const gl::Context *context,
                                   GLenum mode,
                                   const void *indirect) override;
      gl::Error drawElementsIndirect(const gl::Context *context,
                                     GLenum mode,
                                     GLenum type,
                                     const void *indirect) override;
  
      // Device loss
      GLenum getResetStatus() override;
  
      // Vendor and description strings.
      std::string getVendorString() const override;
      std::string getRendererDescription() const override;
  
      // EXT_debug_marker
      void insertEventMarker(GLsizei length, const char *marker) override;
      void pushGroupMarker(GLsizei length, const char *marker) override;
      void popGroupMarker() override;
  
      // KHR_debug
      void pushDebugGroup(GLenum source, GLuint id, GLsizei length, const char *message) override;
      void popDebugGroup() override;
  
      // State sync with dirty bits.
      void syncState(const gl::Context *context, const gl::State::DirtyBits &dirtyBits) override;
  
      // Disjoint timer queries
      GLint getGPUDisjoint() override;
      GLint64 getTimestamp() override;
  
      // Context switching
      void onMakeCurrent(const gl::Context *context) override;
  
      // Native capabilities, unmodified by gl::Context.
      const gl::Caps &getNativeCaps() const override;
      const gl::TextureCapsMap &getNativeTextureCaps() const override;
      const gl::Extensions &getNativeExtensions() const override;
      const gl::Limitations &getNativeLimitations() const override;
  
      // Shader creation
      CompilerImpl *createCompiler() override;
      ShaderImpl *createShader(const gl::ShaderState &state) override;
      ProgramImpl *createProgram(const gl::ProgramState &state) override;
  
      // Framebuffer creation
      FramebufferImpl *createFramebuffer(const gl::FramebufferState &state) override;
  
      // Texture creation
      TextureImpl *createTexture(const gl::TextureState &state) override;
  
      // Renderbuffer creation
      RenderbufferImpl *createRenderbuffer(const gl::RenderbufferState &state) override;
  
      // Buffer creation
      BufferImpl *createBuffer(const gl::BufferState &state) override;
  
      // Vertex Array creation
      VertexArrayImpl *createVertexArray(const gl::VertexArrayState &state) override;
  
      // Query and Fence creation
      QueryImpl *createQuery(GLenum type) override;
      FenceNVImpl *createFenceNV() override;
      SyncImpl *createSync() override;
  
      // Transform Feedback creation
      TransformFeedbackImpl *createTransformFeedback(
          const gl::TransformFeedbackState &state) override;
  
      // Sampler object creation
      SamplerImpl *createSampler(const gl::SamplerState &state) override;
  
      // Program Pipeline object creation
      ProgramPipelineImpl *createProgramPipeline(const gl::ProgramPipelineState &data) override;
  
      // Path object creation
      std::vector<PathImpl *> createPaths(GLsizei) override;
  
      gl::Error dispatchCompute(const gl::Context *context,
                                GLuint numGroupsX,
                                GLuint numGroupsY,
                                GLuint numGroupsZ) override;
      gl::Error dispatchComputeIndirect(const gl::Context *context, GLintptr indirect) override;
  
      gl::Error memoryBarrier(const gl::Context *context, GLbitfield barriers) override;
      gl::Error memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers) override;
  
      VkDevice getDevice() const;
      RendererVk *getRenderer() { return mRenderer; }
  
      void invalidateCurrentPipeline();
      void onVertexArrayChange();
  
      DynamicDescriptorPool *getDynamicDescriptorPool();
  
      const VkClearValue &getClearColorValue() const;
      const VkClearValue &getClearDepthStencilValue() const;
      const VkRect2D &getScissor() const { return mPipelineDesc->getScissor(); }
  
    private:
      gl::Error initPipeline(const gl::Context *context);
      gl::Error setupDraw(const gl::Context *context,
                          GLenum mode,
                          DrawType drawType,
                          size_t firstVertex,
                          size_t lastVertex,
                          ResourceVk *elementArrayBufferOverride,
                          vk::CommandBuffer **commandBuffer);
  
      RendererVk *mRenderer;
      vk::PipelineAndSerial *mCurrentPipeline;
      GLenum mCurrentDrawMode;
  
      // Keep a cached pipeline description structure that can be used to query the pipeline cache.
      // Kept in a pointer so allocations can be aligned, and structs can be portably packed.
      std::unique_ptr<vk::PipelineDesc> mPipelineDesc;
  
      // The dynamic descriptor pool is externally sychronized, so cannot be accessed from different
      // threads simultaneously. Hence, we keep it in the ContextVk instead of the RendererVk.
      DynamicDescriptorPool mDynamicDescriptorPool;
  
      // Triggers adding dependencies to the command graph.
      bool mVertexArrayDirty;
      bool mTexturesDirty;
  
      // Cached clear value for color and depth/stencil.
      VkClearValue mClearColorValue;
      VkClearValue mClearDepthStencilValue;
  
      StreamingBuffer mStreamingVertexData;
      StreamingBuffer mStreamingIndexData;
  
      vk::LineLoopHandler mLineLoopHandler;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_CONTEXTVK_H_
  

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