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

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• Author : Hyunchang Kim
  Date : 2019-10-27 13:46:56
  Hash : caa6eccd
  Message : Vulkan: Implement Transform Feedback support via extension Implemented transform feedback extension path. Where VK_EXT_transform_feedback is supported, extension path will be taken over an emulation path. Extension path has advantages in terms of performance. BUG=angleproject:3206 Test: dEQP-GLES3.functional.transform_feedback.* angle_end2end_tests --gtest_filter=TransformFeedbackTest* Change-Id: Ia07c23afb289d9c67073469a97b714ec96f5265a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1882767 Commit-Queue: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Cody Northrop <cnorthrop@google.com>

• src/libANGLE/renderer/TransformFeedbackImpl.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.
  //
  
  // TransformFeedbackImpl.h: Defines the abstract rx::TransformFeedbackImpl class.
  
  #ifndef LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
  #define LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/TransformFeedback.h"
  
  namespace rx
  {
  
  class TransformFeedbackImpl : angle::NonCopyable
  {
    public:
      TransformFeedbackImpl(const gl::TransformFeedbackState &state) : mState(state) {}
      virtual ~TransformFeedbackImpl() {}
      virtual void onDestroy(const gl::Context *context) {}
  
      virtual angle::Result begin(const gl::Context *context, gl::PrimitiveMode primitiveMode) = 0;
      virtual angle::Result end(const gl::Context *context)                                    = 0;
      virtual angle::Result pause(const gl::Context *context)                                  = 0;
      virtual angle::Result resume(const gl::Context *context)                                 = 0;
  
      virtual angle::Result bindIndexedBuffer(
          const gl::Context *context,
          size_t index,
          const gl::OffsetBindingPointer<gl::Buffer> &binding) = 0;
  
    protected:
      const gl::TransformFeedbackState &mState;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_