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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef WebGLFramebuffer_h | 26 #ifndef WebGLFramebuffer_h |
27 #define WebGLFramebuffer_h | 27 #define WebGLFramebuffer_h |
28 | 28 |
29 #include "modules/webgl/WebGLContextObject.h" | 29 #include "modules/webgl/WebGLContextObject.h" |
30 #include "modules/webgl/WebGLSharedObject.h" | 30 #include "modules/webgl/WebGLSharedObject.h" |
| 31 #include "wtf/PassRefPtr.h" |
| 32 #include "wtf/RefCounted.h" |
31 | 33 |
32 namespace blink { | 34 namespace blink { |
33 | 35 |
34 class WebGLRenderbuffer; | 36 class WebGLRenderbuffer; |
35 class WebGLTexture; | 37 class WebGLTexture; |
36 | 38 |
37 class WebGLFramebuffer final : public WebGLContextObject { | 39 class WebGLFramebuffer final : public WebGLContextObject { |
38 DEFINE_WRAPPERTYPEINFO(); | 40 DEFINE_WRAPPERTYPEINFO(); |
39 public: | 41 public: |
40 class WebGLAttachment : public GarbageCollectedFinalized<WebGLAttachment> { | 42 class WebGLAttachment : public RefCountedWillBeGarbageCollectedFinalized<Web
GLAttachment> { |
41 public: | 43 public: |
42 virtual ~WebGLAttachment(); | 44 virtual ~WebGLAttachment(); |
43 | 45 |
44 virtual GLsizei width() const = 0; | 46 virtual GLsizei width() const = 0; |
45 virtual GLsizei height() const = 0; | 47 virtual GLsizei height() const = 0; |
46 virtual GLenum format() const = 0; | 48 virtual GLenum format() const = 0; |
47 // For texture attachment, type() returns the type of the attached textu
re. | 49 // For texture attachment, type() returns the type of the attached textu
re. |
48 // For renderbuffer attachment, the type of the renderbuffer may vary wi
th GL implementation. | 50 // For renderbuffer attachment, the type of the renderbuffer may vary wi
th GL implementation. |
49 // To avoid confusion, it would be better to not implement type() for re
nderbuffer attachment and | 51 // To avoid confusion, it would be better to not implement type() for re
nderbuffer attachment and |
50 // we should always use the internalformat of the renderbuffer and avoid
using type() API. | 52 // we should always use the internalformat of the renderbuffer and avoid
using type() API. |
51 virtual GLenum type() const = 0; | 53 virtual GLenum type() const = 0; |
52 virtual WebGLSharedObject* object() const = 0; | 54 virtual WebGLSharedObject* object() const = 0; |
53 virtual bool isSharedObject(WebGLSharedObject*) const = 0; | 55 virtual bool isSharedObject(WebGLSharedObject*) const = 0; |
54 virtual bool valid() const = 0; | 56 virtual bool valid() const = 0; |
55 virtual void onDetached(WebGraphicsContext3D*) = 0; | 57 virtual void onDetached(WebGraphicsContext3D*) = 0; |
56 virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachm
ent) = 0; | 58 virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachm
ent) = 0; |
57 virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attac
hment) = 0; | 59 virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attac
hment) = 0; |
58 | 60 |
59 DEFINE_INLINE_VIRTUAL_TRACE() { } | 61 DEFINE_INLINE_VIRTUAL_TRACE() { } |
60 | 62 |
61 protected: | 63 protected: |
62 WebGLAttachment(); | 64 WebGLAttachment(); |
63 }; | 65 }; |
64 | 66 |
65 ~WebGLFramebuffer() override; | 67 ~WebGLFramebuffer() override; |
66 | 68 |
67 static WebGLFramebuffer* create(WebGLRenderingContextBase*); | 69 static PassRefPtrWillBeRawPtr<WebGLFramebuffer> create(WebGLRenderingContext
Base*); |
68 | 70 |
69 Platform3DObject object() const { return m_object; } | 71 Platform3DObject object() const { return m_object; } |
70 | 72 |
71 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLen
um texTarget, WebGLTexture*, GLint level); | 73 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLen
um texTarget, WebGLTexture*, GLint level); |
72 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebG
LRenderbuffer*); | 74 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebG
LRenderbuffer*); |
73 // If an object is attached to the currently bound framebuffer, remove it. | 75 // If an object is attached to the currently bound framebuffer, remove it. |
74 void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*)
; | 76 void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*)
; |
75 // If a given attachment point for the currently bound framebuffer is not nu
ll, remove the attached object. | 77 // If a given attachment point for the currently bound framebuffer is not nu
ll, remove the attached object. |
76 void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment); | 78 void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment); |
77 WebGLSharedObject* getAttachmentObject(GLenum) const; | 79 WebGLSharedObject* getAttachmentObject(GLenum) const; |
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125 bool isBound(GLenum target) const; | 127 bool isBound(GLenum target) const; |
126 | 128 |
127 // attach 'attachment' at 'attachmentPoint'. | 129 // attach 'attachment' at 'attachmentPoint'. |
128 void attach(GLenum target, GLenum attachment, GLenum attachmentPoint); | 130 void attach(GLenum target, GLenum attachment, GLenum attachmentPoint); |
129 | 131 |
130 // Check if a new drawBuffers call should be issued. This is called when we
add or remove an attachment. | 132 // Check if a new drawBuffers call should be issued. This is called when we
add or remove an attachment. |
131 void drawBuffersIfNecessary(bool force); | 133 void drawBuffersIfNecessary(bool force); |
132 | 134 |
133 Platform3DObject m_object; | 135 Platform3DObject m_object; |
134 | 136 |
135 typedef HeapHashMap<GLenum, Member<WebGLAttachment>> AttachmentMap; | 137 typedef WillBeHeapHashMap<GLenum, RefPtrWillBeMember<WebGLAttachment>> Attac
hmentMap; |
136 | 138 |
137 AttachmentMap m_attachments; | 139 AttachmentMap m_attachments; |
138 | 140 |
139 bool m_hasEverBeenBound; | 141 bool m_hasEverBeenBound; |
140 | 142 |
141 Vector<GLenum> m_drawBuffers; | 143 Vector<GLenum> m_drawBuffers; |
142 Vector<GLenum> m_filteredDrawBuffers; | 144 Vector<GLenum> m_filteredDrawBuffers; |
143 | 145 |
144 GLenum m_readBuffer; | 146 GLenum m_readBuffer; |
145 }; | 147 }; |
146 | 148 |
147 } // namespace blink | 149 } // namespace blink |
148 | 150 |
149 #endif // WebGLFramebuffer_h | 151 #endif // WebGLFramebuffer_h |
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