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

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• Hash : 774cd1b2
  Author :
  Date : 2020-06-25T09:15:24
  

  Vulkan: Only transform SPIR-V once
  
  Prior to this change, the SPIR-V would be transformed as part of
  GlslangGetShaderSpirvCode() and then possibly another time afterward to
  disable the early fragment test optmization (for monolithic programs) or
  to update the descriptor set/binding values (for PPOs). By storing the
  original SPIR-V in the ProgramVk and the transformed SPIR-V in the
  ProgramExecutableVk, we can now remove the SPIR-V transformation from
  GlslangGetShaderSpirvCode() and only perform it once in
  ProgramInfo::initProgram() for monolithic programs and PPOs.
  
  Bug: angleproject:4513
  Test: CQ
  Change-Id: I4e7240b2abe7c796c46cf531948dad0e37c1419a
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2267537
  Commit-Queue: Tim Van Patten <timvp@google.com>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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

• //
  // Copyright 2017 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.
  //
  // ProgramPipelineVk.h:
  //    Defines the class interface for ProgramPipelineVk, implementing ProgramPipelineImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_PROGRAMPIPELINEVK_H_
  #define LIBANGLE_RENDERER_VULKAN_PROGRAMPIPELINEVK_H_
  
  #include "libANGLE/renderer/ProgramPipelineImpl.h"
  
  #include "libANGLE/renderer/vulkan/ContextVk.h"
  #include "libANGLE/renderer/vulkan/ProgramExecutableVk.h"
  #include "libANGLE/renderer/vulkan/ProgramVk.h"
  
  namespace rx
  {
  
  class ProgramPipelineVk : public ProgramPipelineImpl
  {
    public:
      ProgramPipelineVk(const gl::ProgramPipelineState &state);
      ~ProgramPipelineVk() override;
  
      void destroy(const gl::Context *context) override;
      void reset(ContextVk *contextVk);
  
      const ProgramExecutableVk &getExecutable() const { return mExecutable; }
      ProgramExecutableVk &getExecutable() { return mExecutable; }
  
      ProgramVk *getShaderProgram(const gl::State &glState, gl::ShaderType shaderType) const
      {
          gl::ProgramPipeline *pipeline = glState.getProgramPipeline();
          const gl::Program *program    = pipeline->getShaderProgram(shaderType);
          if (program)
          {
              return vk::GetImpl(program);
          }
          return nullptr;
      }
  
      void fillProgramStateMap(const ContextVk *contextVk,
                               gl::ShaderMap<const gl::ProgramState *> *programStatesOut);
  
      angle::Result link(const gl::Context *context) override;
  
      angle::Result updateUniforms(ContextVk *contextVk);
  
      bool dirtyUniforms(const gl::State &glState);
  
    private:
      ProgramExecutableVk mExecutable;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_PROGRAMPIPELINEVK_H_
  

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