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//
// Copyright (c) 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.
//
#include "libANGLE/TransformFeedback.h"
#include "libANGLE/renderer/TransformFeedbackImpl.h"
namespace gl
{
TransformFeedback::TransformFeedback(rx::TransformFeedbackImpl* impl, GLuint id)
: RefCountObject(id),
mTransformFeedback(impl),
mStarted(GL_FALSE),
mPrimitiveMode(GL_NONE),
mPaused(GL_FALSE)
{
ASSERT(impl != NULL);
}
TransformFeedback::~TransformFeedback()
{
SafeDelete(mTransformFeedback);
}
void TransformFeedback::start(GLenum primitiveMode)
{
mStarted = GL_TRUE;
mPrimitiveMode = primitiveMode;
mPaused = GL_FALSE;
mTransformFeedback->begin(primitiveMode);
}
void TransformFeedback::stop()
{
mStarted = GL_FALSE;
mPrimitiveMode = GL_NONE;
mPaused = GL_FALSE;
mTransformFeedback->end();
}
GLboolean TransformFeedback::isStarted() const
{
return mStarted;
}
GLenum TransformFeedback::getDrawMode() const
{
return mPrimitiveMode;
}
void TransformFeedback::pause()
{
mPaused = GL_TRUE;
mTransformFeedback->pause();
}
void TransformFeedback::resume()
{
mPaused = GL_FALSE;
mTransformFeedback->resume();
}
GLboolean TransformFeedback::isPaused() const
{
return mPaused;
}
}
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