kc3-lang/angle/src/libANGLE/renderer/metal/shaders/clear.metal

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• Hash : 119d867c
  Author :
  Date : 2020-09-26T18:27:39
  

  Metal: autogen blit & clear shaders for integer textures
  
  Bug: angleproject:2634
  Change-Id: I20d0bf3fca354a7964ce5893a605ab72a8a9012d
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2433328
  Commit-Queue: Le Hoang Quyen <le.hoang.q@gmail.com>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/metal/shaders/clear.metal

• //
  // Copyright 2019 The ANGLE Project. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // clear.metal: Implements viewport clearing.
  
  #include "common.h"
  
  using namespace rx::mtl_shader;
  
  struct ClearParams
  {
      float4 clearColor;
      float clearDepth;
  };
  
  vertex float4 clearVS(unsigned int vid [[ vertex_id ]],
                        constant ClearParams &clearParams [[buffer(0)]])
  {
      return float4(gCorners[vid], clearParams.clearDepth, 1.0);
  }
  
  fragment MultipleColorOutputs<float> clearFloatFS(constant ClearParams &clearParams [[buffer(0)]])
  {
      return toMultipleColorOutputs(clearParams.clearColor);
  }
  
  fragment MultipleColorOutputs<int> clearIntFS(constant ClearParams &clearParams [[buffer(0)]])
  {
      return toMultipleColorOutputs(as_type<int4>(clearParams.clearColor));
  }
  
  fragment MultipleColorOutputs<uint> clearUIntFS(constant ClearParams &clearParams [[buffer(0)]])
  {
      return toMultipleColorOutputs(as_type<uint4>(clearParams.clearColor));
  }
  

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