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// Copyright 2015 The Chromium Authors
// 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_object.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
namespace blink {
class WebGLVertexArrayObjectBase : public WebGLObject {
public:
enum VaoType {
kVaoTypeDefault,
kVaoTypeUser,
};
~WebGLVertexArrayObjectBase() override;
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_.Get();
}
void SetElementArrayBuffer(WebGLBuffer*);
WebGLBuffer* GetArrayBufferForAttrib(GLuint);
void SetArrayBufferForAttrib(GLuint, WebGLBuffer*);
void SetAttribEnabled(GLuint, bool);
bool IsAllEnabledAttribBufferBound() const {
return is_all_enabled_attrib_buffer_bound_;
}
bool HasArrayBuffer(const WebGLBuffer* buffer) {
return array_buffer_list_.Contains(buffer);
}
void UnbindBuffer(WebGLBuffer*);
void Trace(Visitor*) const override;
protected:
WebGLVertexArrayObjectBase(WebGLContextObjectSupport*,
VaoType,
GLint max_vertex_attribs);
private:
void DispatchDetached(gpu::gles2::GLES2Interface*);
void DeleteObjectImpl(gpu::gles2::GLES2Interface*) override;
void UpdateAttribBufferBoundStatus();
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_
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