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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" | |
33 | 31 |
34 namespace blink { | 32 namespace blink { |
35 | 33 |
36 class WebGLRenderbuffer; | 34 class WebGLRenderbuffer; |
37 class WebGLTexture; | 35 class WebGLTexture; |
38 | 36 |
39 class WebGLFramebuffer final : public WebGLContextObject { | 37 class WebGLFramebuffer final : public WebGLContextObject { |
40 DEFINE_WRAPPERTYPEINFO(); | 38 DEFINE_WRAPPERTYPEINFO(); |
41 public: | 39 public: |
42 class WebGLAttachment : public RefCountedWillBeGarbageCollectedFinalized<Web
GLAttachment> { | 40 class WebGLAttachment : public GarbageCollectedFinalized<WebGLAttachment> { |
43 public: | 41 public: |
44 virtual ~WebGLAttachment(); | 42 virtual ~WebGLAttachment(); |
45 | 43 |
46 virtual GLsizei width() const = 0; | 44 virtual GLsizei width() const = 0; |
47 virtual GLsizei height() const = 0; | 45 virtual GLsizei height() const = 0; |
48 virtual GLenum format() const = 0; | 46 virtual GLenum format() const = 0; |
49 // For texture attachment, type() returns the type of the attached textu
re. | 47 // For texture attachment, type() returns the type of the attached textu
re. |
50 // For renderbuffer attachment, the type of the renderbuffer may vary wi
th GL implementation. | 48 // For renderbuffer attachment, the type of the renderbuffer may vary wi
th GL implementation. |
51 // To avoid confusion, it would be better to not implement type() for re
nderbuffer attachment and | 49 // To avoid confusion, it would be better to not implement type() for re
nderbuffer attachment and |
52 // we should always use the internalformat of the renderbuffer and avoid
using type() API. | 50 // we should always use the internalformat of the renderbuffer and avoid
using type() API. |
53 virtual GLenum type() const = 0; | 51 virtual GLenum type() const = 0; |
54 virtual WebGLSharedObject* object() const = 0; | 52 virtual WebGLSharedObject* object() const = 0; |
55 virtual bool isSharedObject(WebGLSharedObject*) const = 0; | 53 virtual bool isSharedObject(WebGLSharedObject*) const = 0; |
56 virtual bool valid() const = 0; | 54 virtual bool valid() const = 0; |
57 virtual void onDetached(WebGraphicsContext3D*) = 0; | 55 virtual void onDetached(WebGraphicsContext3D*) = 0; |
58 virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachm
ent) = 0; | 56 virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachm
ent) = 0; |
59 virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attac
hment) = 0; | 57 virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attac
hment) = 0; |
60 | 58 |
61 DEFINE_INLINE_VIRTUAL_TRACE() { } | 59 DEFINE_INLINE_VIRTUAL_TRACE() { } |
62 | 60 |
63 protected: | 61 protected: |
64 WebGLAttachment(); | 62 WebGLAttachment(); |
65 }; | 63 }; |
66 | 64 |
67 ~WebGLFramebuffer() override; | 65 ~WebGLFramebuffer() override; |
68 | 66 |
69 static PassRefPtrWillBeRawPtr<WebGLFramebuffer> create(WebGLRenderingContext
Base*); | 67 static WebGLFramebuffer* create(WebGLRenderingContextBase*); |
70 | 68 |
71 Platform3DObject object() const { return m_object; } | 69 Platform3DObject object() const { return m_object; } |
72 | 70 |
73 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLen
um texTarget, WebGLTexture*, GLint level); | 71 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLen
um texTarget, WebGLTexture*, GLint level); |
74 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebG
LRenderbuffer*); | 72 void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebG
LRenderbuffer*); |
75 // If an object is attached to the currently bound framebuffer, remove it. | 73 // If an object is attached to the currently bound framebuffer, remove it. |
76 void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*)
; | 74 void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*)
; |
77 // If a given attachment point for the currently bound framebuffer is not nu
ll, remove the attached object. | 75 // If a given attachment point for the currently bound framebuffer is not nu
ll, remove the attached object. |
78 void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment); | 76 void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment); |
79 WebGLSharedObject* getAttachmentObject(GLenum) const; | 77 WebGLSharedObject* getAttachmentObject(GLenum) const; |
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127 bool isBound(GLenum target) const; | 125 bool isBound(GLenum target) const; |
128 | 126 |
129 // attach 'attachment' at 'attachmentPoint'. | 127 // attach 'attachment' at 'attachmentPoint'. |
130 void attach(GLenum target, GLenum attachment, GLenum attachmentPoint); | 128 void attach(GLenum target, GLenum attachment, GLenum attachmentPoint); |
131 | 129 |
132 // Check if a new drawBuffers call should be issued. This is called when we
add or remove an attachment. | 130 // Check if a new drawBuffers call should be issued. This is called when we
add or remove an attachment. |
133 void drawBuffersIfNecessary(bool force); | 131 void drawBuffersIfNecessary(bool force); |
134 | 132 |
135 Platform3DObject m_object; | 133 Platform3DObject m_object; |
136 | 134 |
137 typedef WillBeHeapHashMap<GLenum, RefPtrWillBeMember<WebGLAttachment>> Attac
hmentMap; | 135 typedef HeapHashMap<GLenum, Member<WebGLAttachment>> AttachmentMap; |
138 | 136 |
139 AttachmentMap m_attachments; | 137 AttachmentMap m_attachments; |
140 | 138 |
141 bool m_hasEverBeenBound; | 139 bool m_hasEverBeenBound; |
142 | 140 |
143 Vector<GLenum> m_drawBuffers; | 141 Vector<GLenum> m_drawBuffers; |
144 Vector<GLenum> m_filteredDrawBuffers; | 142 Vector<GLenum> m_filteredDrawBuffers; |
145 | 143 |
146 GLenum m_readBuffer; | 144 GLenum m_readBuffer; |
147 }; | 145 }; |
148 | 146 |
149 } // namespace blink | 147 } // namespace blink |
150 | 148 |
151 #endif // WebGLFramebuffer_h | 149 #endif // WebGLFramebuffer_h |
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