94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/*
|
|
* Copyright (C) 2015-2021 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#if ENABLE(WEBGL2)
|
|
|
|
#include "WebGLSharedObject.h"
|
|
|
|
namespace JSC {
|
|
class AbstractSlotVisitor;
|
|
}
|
|
|
|
namespace WTF {
|
|
class AbstractLocker;
|
|
}
|
|
|
|
namespace WebCore {
|
|
|
|
class WebGL2RenderingContext;
|
|
class WebGLBuffer;
|
|
class WebGLProgram;
|
|
|
|
class WebGLTransformFeedback final : public WebGLSharedObject {
|
|
public:
|
|
virtual ~WebGLTransformFeedback();
|
|
|
|
static Ref<WebGLTransformFeedback> create(WebGL2RenderingContext&);
|
|
|
|
bool isActive() const { return m_active; }
|
|
bool isPaused() const { return m_paused; }
|
|
|
|
void setActive(bool active) { m_active = active; }
|
|
void setPaused(bool paused) { m_paused = paused; }
|
|
|
|
// These are the indexed bind points for transform feedback buffers.
|
|
// Returns false if index is out of range and the caller should
|
|
// synthesize a GL error.
|
|
void setBoundIndexedTransformFeedbackBuffer(const WTF::AbstractLocker&, GCGLuint index, WebGLBuffer*);
|
|
bool getBoundIndexedTransformFeedbackBuffer(GCGLuint index, WebGLBuffer** outBuffer);
|
|
|
|
bool validateProgramForResume(WebGLProgram*) const;
|
|
|
|
bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
|
|
void setHasEverBeenBound() { m_hasEverBeenBound = true; }
|
|
|
|
WebGLProgram* program() const { return m_program.get(); }
|
|
void setProgram(const WTF::AbstractLocker&, WebGLProgram&);
|
|
|
|
void unbindBuffer(const AbstractLocker&, WebGLBuffer&);
|
|
|
|
bool hasEnoughBuffers(GCGLuint numRequired) const;
|
|
|
|
void addMembersToOpaqueRoots(const AbstractLocker&, JSC::AbstractSlotVisitor&);
|
|
|
|
private:
|
|
WebGLTransformFeedback(WebGL2RenderingContext&);
|
|
|
|
void deleteObjectImpl(const WTF::AbstractLocker&, GraphicsContextGL*, PlatformGLObject) override;
|
|
|
|
bool m_active { false };
|
|
bool m_paused { false };
|
|
bool m_hasEverBeenBound { false };
|
|
unsigned m_programLinkCount { 0 };
|
|
Vector<RefPtr<WebGLBuffer>> m_boundIndexedTransformFeedbackBuffers;
|
|
RefPtr<WebGLProgram> m_program;
|
|
};
|
|
|
|
} // namespace WebCore
|
|
|
|
#endif
|