/* -*- 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_