kc3-lang/angle/include/platform/FeaturesMtl.h

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• Hash : fe26bae4
  Author :
  Date : 2019-10-29T18:38:53
  

  Metal backend implementation pt 2
  
  This is without Metal specific shader translator implemented yet.
  
  Bug: angleproject:2634
  Change-Id: I95d589442251c9ba111bd05a2dc379a36739046c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1855069
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• include/platform/FeaturesMtl.h

• //
  // Copyright 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.
  //
  // FeaturesMtl.h: Optional features for the Metal renderer.
  //
  
  #ifndef ANGLE_PLATFORM_FEATURESMTL_H_
  #define ANGLE_PLATFORM_FEATURESMTL_H_
  
  #include "platform/Feature.h"
  
  namespace angle
  {
  
  struct FeaturesMtl : FeatureSetBase
  {
      // BaseVertex/Instanced draw support:
      Feature hasBaseVertexInstancedDraw = {
          "has_base_vertex_instanced_draw", FeatureCategory::MetalFeatures,
          "The renderer supports base vertex instanced draw", &members};
      // Non-uniform compute shader dispatch support, i.e. Group size is not necessarily to be fixed:
      Feature hasNonUniformDispatch = {
          "has_non_uniform_dispatch", FeatureCategory::MetalFeatures,
          "The renderer supports non uniform compute shader dispatch's group size", &members};
      // Texture swizzle support:
      Feature hasTextureSwizzle = {"has_texture_swizzle", FeatureCategory::MetalFeatures,
                                   "The renderer supports texture swizzle", &members};
  
      // On macos, separate depth & stencil buffers are not supproted. However, on iOS devices,
      // they are supproted:
      Feature allowSeparatedDepthStencilBuffers = {
          "allow_separate_depth_stencil_buffers", FeatureCategory::MetalFeatures,
          "Some Apple platforms such as iOS allows separate depth & stencil buffers, "
          "whereas others such as macOS don't",
          &members};
  };
  
  }  // namespace angle
  
  #endif  // ANGLE_PLATFORM_FEATURESMTL_H_
  

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