kc3-lang/angle/src/libANGLE/renderer/SamplerImpl.h

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• Hash : 4c833efb
  Author :
  Date : 2019-07-11T11:29:35
  

  Vulkan: Enable sampler objects
  
  This is the initial implementation to get GLES3.0 Sampler Objects
  working on the Vulkan backend.
  When samplers are dirty, a corresponding Vulkan sampler object will be
  created with associated state and textures are flagged as dirty anytime
  sampler bindings change.
  Then when handling textures dirty, any bound sampler objects are pulled
  from active texture units. When sampler objects are bound, their state
  is used instead of the built-in texture's sampler state.
  
  This change also adds a test that uses the same texture object with
  different sampler objects to test a corner case that dEQP misses.
  
  Bug: angleproject:3208
  Change-Id: I643d9c9d5cb92fecc02dad815a07bcf349534c70
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1706897
  Commit-Queue: Tobin Ehlis <tobine@google.com>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/SamplerImpl.h

• //
  // Copyright 2014 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.
  //
  
  // SamplerImpl.h: Defines the abstract rx::SamplerImpl class.
  
  #ifndef LIBANGLE_RENDERER_SAMPLERIMPL_H_
  #define LIBANGLE_RENDERER_SAMPLERIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/Sampler.h"
  
  namespace gl
  {
  class Context;
  class SamplerState;
  }  // namespace gl
  
  namespace rx
  {
  
  class SamplerImpl : angle::NonCopyable
  {
    public:
      SamplerImpl(const gl::SamplerState &state) : mState(state) {}
      virtual ~SamplerImpl() {}
  
      virtual void onDestroy(const gl::Context *context)
      {
          // Default implementation: no-op.
      }
      virtual angle::Result syncState(const gl::Context *context, const bool dirty) = 0;
  
    protected:
      const gl::SamplerState &mState;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_SAMPLERIMPL_H_
  

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