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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/canvas/WebGLTransformFeedback.h Normal file
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WEBGL_TRANSFORM_FEEDBACK_H_
#define WEBGL_TRANSFORM_FEEDBACK_H_
#include "mozilla/LinkedList.h"
#include "nsWrapperCache.h"
#include "WebGLObjectModel.h"
namespace mozilla {
class WebGLTransformFeedback final
: public nsWrapperCache
, public WebGLRefCountedObject<WebGLTransformFeedback>
, public LinkedListElement<WebGLTransformFeedback>
{
friend class ScopedDrawHelper;
friend class ScopedDrawWithTransformFeedback;
friend class WebGLContext;
friend class WebGL2Context;
friend class WebGLProgram;
public:
const GLuint mGLName;
private:
// GLES 3.0.4 p267, Table 6.24 "Transform Feedback State"
WebGLRefPtr<WebGLBuffer> mGenericBufferBinding;
std::vector<IndexedBufferBinding> mIndexedBindings;
bool mIsPaused;
bool mIsActive;
// Not in state tables:
WebGLRefPtr<WebGLProgram> mActive_Program;
MOZ_INIT_OUTSIDE_CTOR GLenum mActive_PrimMode;
MOZ_INIT_OUTSIDE_CTOR size_t mActive_VertPosition;
MOZ_INIT_OUTSIDE_CTOR size_t mActive_VertCapacity;
public:
WebGLTransformFeedback(WebGLContext* webgl, GLuint tf);
private:
~WebGLTransformFeedback();
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLTransformFeedback)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLTransformFeedback)
void Delete();
WebGLContext* GetParentObject() const { return mContext; }
virtual JSObject* WrapObject(JSContext*, JS::Handle<JSObject*>) override;
bool IsActiveAndNotPaused() const { return mIsActive && !mIsPaused; }
void AddBufferBindCounts(int8_t addVal) const;
// GL Funcs
void BeginTransformFeedback(GLenum primMode);
void EndTransformFeedback();
void PauseTransformFeedback();
void ResumeTransformFeedback();
};
} // namespace mozilla
#endif // WEBGL_TRANSFORM_FEEDBACK_H_