Remove <canvas>

sky/engine/core/html/canvas/WebGLFramebuffer.h

-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SKY_ENGINE_CORE_HTML_CANVAS_WEBGLFRAMEBUFFER_H_
-#define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLFRAMEBUFFER_H_
-
-#include "sky/engine/tonic/dart_wrappable.h"
-#include "sky/engine/core/html/canvas/WebGLContextObject.h"
-#include "sky/engine/core/html/canvas/WebGLSharedObject.h"
-#include "sky/engine/wtf/HashMap.h"
-#include "sky/engine/wtf/PassRefPtr.h"
-#include "sky/engine/wtf/RefCounted.h"
-#include "sky/engine/wtf/Vector.h"
-
-namespace blink {
-
-class WebGLRenderbuffer;
-class WebGLTexture;
-
-class WebGLFramebuffer final : public WebGLContextObject, public DartWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    class WebGLAttachment : public RefCounted<WebGLAttachment> {
-    public:
-        virtual ~WebGLAttachment();
-
-        virtual GLsizei width() const = 0;
-        virtual GLsizei height() const = 0;
-        virtual GLenum format() const = 0;
-        // For texture attachment, type() returns the type of the attached texture.
-        // For renderbuffer attachment, the type of the renderbuffer may vary with GL implementation.
-        // To avoid confusion, it would be better to not implement type() for renderbuffer attachment and
-        // we should always use the internalformat of the renderbuffer and avoid using type() API.
-        virtual GLenum type() const = 0;
-        virtual WebGLSharedObject* object() const = 0;
-        virtual bool isSharedObject(WebGLSharedObject*) const = 0;
-        virtual bool valid() const = 0;
-        virtual void onDetached(blink::WebGraphicsContext3D*) = 0;
-        virtual void attach(blink::WebGraphicsContext3D*, GLenum attachment) = 0;
-        virtual void unattach(blink::WebGraphicsContext3D*, GLenum attachment) = 0;
-
-    protected:
-        WebGLAttachment();
-    };
-
-    virtual ~WebGLFramebuffer();
-
-    static PassRefPtr<WebGLFramebuffer> create(WebGLRenderingContextBase*);
-
-    void setAttachmentForBoundFramebuffer(GLenum attachment, GLenum texTarget, WebGLTexture*, GLint level);
-    void setAttachmentForBoundFramebuffer(GLenum attachment, WebGLRenderbuffer*);
-    // If an object is attached to the currently bound framebuffer, remove it.
-    void removeAttachmentFromBoundFramebuffer(WebGLSharedObject*);
-    // If a given attachment point for the currently bound framebuffer is not null, remove the attached object.
-    void removeAttachmentFromBoundFramebuffer(GLenum);
-    WebGLSharedObject* getAttachmentObject(GLenum) const;
-
-    GLenum colorBufferFormat() const;
-
-    // This should always be called before drawArray, drawElements, clear,
-    // readPixels, copyTexImage2D, copyTexSubImage2D if this framebuffer is
-    // currently bound.
-    // Return false if the framebuffer is incomplete.
-    bool onAccess(blink::WebGraphicsContext3D*, const char** reason);
-
-    // Software version of glCheckFramebufferStatus(), except that when
-    // FRAMEBUFFER_COMPLETE is returned, it is still possible for
-    // glCheckFramebufferStatus() to return FRAMEBUFFER_UNSUPPORTED,
-    // depending on hardware implementation.
-    GLenum checkStatus(const char** reason) const;
-
-    bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
-
-    void setHasEverBeenBound() { m_hasEverBeenBound = true; }
-
-    bool hasStencilBuffer() const;
-
-    // Wrapper for drawBuffersEXT/drawBuffersARB to work around a driver bug.
-    void drawBuffers(const Vector<GLenum>& bufs);
-
-    GLenum getDrawBuffer(GLenum);
-
-protected:
-    explicit WebGLFramebuffer(WebGLRenderingContextBase*);
-
-    virtual void deleteObjectImpl(blink::WebGraphicsContext3D*, Platform3DObject) override;
-
-private:
-    WebGLAttachment* getAttachment(GLenum) const;
-    bool isAttachmentComplete(WebGLAttachment* attachedObject, GLenum attachment, const char** reason) const;
-
-    // Check if the framebuffer is currently bound.
-    bool isBound() const;
-
-    // attach 'attachment' at 'attachmentPoint'.
-    void attach(GLenum attachment, GLenum attachmentPoint);
-
-    // Check if a new drawBuffers call should be issued. This is called when we add or remove an attachment.
-    void drawBuffersIfNecessary(bool force);
-
-    typedef HashMap<GLenum, RefPtr<WebGLAttachment> > AttachmentMap;
-
-    AttachmentMap m_attachments;
-
-    bool m_hasEverBeenBound;
-
-    Vector<GLenum> m_drawBuffers;
-    Vector<GLenum> m_filteredDrawBuffers;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_HTML_CANVAS_WEBGLFRAMEBUFFER_H_