kc3-lang/angle/src/libANGLE/renderer/metal/mtl_glslang_utils.mm

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• Hash : 913f4f42
  Author :
  Date : 2020-04-15T00:54:37
  

  Vulkan: Support VS, FS, and CS in the same PPO
  
  This CL adds support for a Program Pipeline Object to have a VS, FS,
  and CS attached to the same PPO and then using that PPO for both draw
  and dispatch calls.
  
  Bug: angleproject:3570
  Test: KHR-GLES31.core.compute_shader.sso*
  Change-Id: I262cdbdfd442f6db5ba2b45d1308003102b237cb
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2150078
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
  Commit-Queue: Tim Van Patten <timvp@google.com>
  

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• src/libANGLE/renderer/metal/mtl_glslang_utils.mm

• //
  // Copyright (c) 2019 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.
  //
  // GlslangUtils: Wrapper for Khronos's glslang compiler.
  //
  
  #include "libANGLE/renderer/metal/mtl_glslang_utils.h"
  
  #include "libANGLE/renderer/glslang_wrapper_utils.h"
  
  namespace rx
  {
  namespace mtl
  {
  namespace
  {
  angle::Result HandleError(ErrorHandler *context, GlslangError)
  {
      ANGLE_MTL_TRY(context, false);
      return angle::Result::Stop;
  }
  
  void ResetGlslangProgramInterfaceInfo(GlslangProgramInterfaceInfo *programInterfaceInfo)
  {
      programInterfaceInfo->uniformsAndXfbDescriptorSetIndex = kDefaultUniformsBindingIndex;
      programInterfaceInfo->currentUniformBindingIndex       = 0;
      programInterfaceInfo->textureDescriptorSetIndex        = 0;
      programInterfaceInfo->currentTextureBindingIndex       = 0;
      programInterfaceInfo->driverUniformsDescriptorSetIndex = kDriverUniformsBindingIndex;
      // NOTE(hqle): Unused for now, until we support ES 3.0
      programInterfaceInfo->shaderResourceDescriptorSetIndex  = -1;
      programInterfaceInfo->currentShaderResourceBindingIndex = 0;
      programInterfaceInfo->locationsUsedForXfbExtension      = 0;
  
      static_assert(kDefaultUniformsBindingIndex != 0, "kDefaultUniformsBindingIndex must not be 0");
      static_assert(kDriverUniformsBindingIndex != 0, "kDriverUniformsBindingIndex must not be 0");
  }
  
  GlslangSourceOptions CreateSourceOptions()
  {
      GlslangSourceOptions options;
      return options;
  }
  }  // namespace
  
  void GlslangGetShaderSource(const gl::ProgramState &programState,
                              const gl::ProgramLinkedResources &resources,
                              gl::ShaderMap<std::string> *shaderSourcesOut,
                              ShaderMapInterfaceVariableInfoMap *variableInfoMapOut)
  {
      GlslangSourceOptions options = CreateSourceOptions();
      GlslangProgramInterfaceInfo programInterfaceInfo;
      ResetGlslangProgramInterfaceInfo(&programInterfaceInfo);
  
      rx::GlslangGetShaderSource(options, programState, resources, &programInterfaceInfo,
                                 shaderSourcesOut, variableInfoMapOut);
  }
  
  angle::Result GlslangGetShaderSpirvCode(ErrorHandler *context,
                                          const gl::ShaderBitSet &linkedShaderStages,
                                          const gl::Caps &glCaps,
                                          const gl::ShaderMap<std::string> &shaderSources,
                                          const ShaderMapInterfaceVariableInfoMap &variableInfoMap,
                                          gl::ShaderMap<std::vector<uint32_t>> *shaderCodeOut)
  {
      return rx::GlslangGetShaderSpirvCode(
          [context](GlslangError error) { return HandleError(context, error); }, linkedShaderStages,
          glCaps, shaderSources, variableInfoMap, shaderCodeOut);
  }
  }  // namespace mtl
  }  // namespace rx
  

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