зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
1.8 KiB
C++
76 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGLOBJECTMODEL_H_
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#define WEBGLOBJECTMODEL_H_
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#include "mozilla/RefCounted.h"
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#include "mozilla/WeakPtr.h"
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#include "WebGLTypes.h"
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namespace mozilla {
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class WebGLContext;
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////
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// This class is a mixin for objects that are tied to a specific
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// context (which is to say, all of them). They provide initialization
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// as well as comparison with the current context.
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class WebGLContextBoundObject : public VRefCounted {
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public:
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const WeakPtr<WebGLContext> mContext;
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explicit WebGLContextBoundObject(WebGLContext* webgl);
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private:
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friend class HostWebGLContext;
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};
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////
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// this class is a mixin for GL objects that have dimensions
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// that we need to track.
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class WebGLRectangleObject {
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public:
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WebGLRectangleObject() : mWidth(0), mHeight(0) {}
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WebGLRectangleObject(GLsizei width, GLsizei height)
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: mWidth(width), mHeight(height) {}
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GLsizei Width() const { return mWidth; }
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void width(GLsizei value) { mWidth = value; }
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GLsizei Height() const { return mHeight; }
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void height(GLsizei value) { mHeight = value; }
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void setDimensions(GLsizei width, GLsizei height) {
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mWidth = width;
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mHeight = height;
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}
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void setDimensions(WebGLRectangleObject* rect) {
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if (rect) {
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mWidth = rect->Width();
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mHeight = rect->Height();
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} else {
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mWidth = 0;
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mHeight = 0;
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}
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}
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bool HasSameDimensionsAs(const WebGLRectangleObject& other) const {
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return Width() == other.Width() && Height() == other.Height();
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}
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protected:
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GLsizei mWidth;
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GLsizei mHeight;
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};
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} // namespace mozilla
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#endif
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