Hash :
caa6eccd
Author :
Date :
2019-10-27T13:46:56
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>
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//
// 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_