| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_VERTEX_ARRAY_OBJECT_BASE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_VERTEX_ARRAY_OBJECT_BASE_H_ |
| |
| #include "third_party/blink/renderer/modules/webgl/webgl_buffer.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl_context_object.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| |
| namespace blink { |
| |
| class WebGLVertexArrayObjectBase : public WebGLContextObject { |
| public: |
| enum VaoType { |
| kVaoTypeDefault, |
| kVaoTypeUser, |
| }; |
| |
| ~WebGLVertexArrayObjectBase() override; |
| |
| GLuint Object() const { return object_; } |
| |
| bool IsDefaultObject() const { return type_ == kVaoTypeDefault; } |
| |
| bool HasEverBeenBound() const { return Object() && has_ever_been_bound_; } |
| void SetHasEverBeenBound() { has_ever_been_bound_ = true; } |
| |
| WebGLBuffer* BoundElementArrayBuffer() const { |
| return bound_element_array_buffer_; |
| } |
| void SetElementArrayBuffer(WebGLBuffer*); |
| |
| WebGLBuffer* GetArrayBufferForAttrib(GLuint); |
| void SetArrayBufferForAttrib(GLuint, WebGLBuffer*); |
| void SetAttribEnabled(GLuint, bool); |
| bool GetAttribEnabled(GLuint) const; |
| bool IsAllEnabledAttribBufferBound() const { |
| return is_all_enabled_attrib_buffer_bound_; |
| } |
| void UnbindBuffer(WebGLBuffer*); |
| |
| void Trace(blink::Visitor*) override; |
| |
| protected: |
| WebGLVertexArrayObjectBase(WebGLRenderingContextBase*, VaoType); |
| |
| private: |
| void DispatchDetached(gpu::gles2::GLES2Interface*); |
| bool HasObject() const override { return object_ != 0; } |
| void DeleteObjectImpl(gpu::gles2::GLES2Interface*) override; |
| |
| void UpdateAttribBufferBoundStatus(); |
| |
| GLuint object_; |
| |
| VaoType type_; |
| bool has_ever_been_bound_; |
| Member<WebGLBuffer> bound_element_array_buffer_; |
| HeapVector<Member<WebGLBuffer>> array_buffer_list_; |
| Vector<bool> attrib_enabled_; |
| bool is_all_enabled_attrib_buffer_bound_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_VERTEX_ARRAY_OBJECT_BASE_H_ |