The Tor Browser / file comparison
comparison: content/canvas/src/WebGLVertexAttribData.h
content/canvas/src/WebGLVertexAttribData.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:994248c5dd4a |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef WEBGLVERTEXATTRIBDATA_H_ | |
| 7 #define WEBGLVERTEXATTRIBDATA_H_ | |
| 8 | |
| 9 namespace mozilla { | |
| 10 | |
| 11 class WebGLBuffer; | |
| 12 | |
| 13 struct WebGLVertexAttribData { | |
| 14 // note that these initial values are what GL initializes vertex attribs to | |
| 15 WebGLVertexAttribData() | |
| 16 : buf(0) | |
| 17 , stride(0) | |
| 18 , size(4) | |
| 19 , divisor(0) // OpenGL ES 3.0 specs paragraphe 6.2 p240 | |
| 20 , byteOffset(0) | |
| 21 , type(LOCAL_GL_FLOAT) | |
| 22 , enabled(false) | |
| 23 , normalized(false) | |
| 24 { } | |
| 25 | |
| 26 WebGLRefPtr<WebGLBuffer> buf; | |
| 27 GLuint stride; | |
| 28 GLuint size; | |
| 29 GLuint divisor; | |
| 30 GLuint byteOffset; | |
| 31 GLenum type; | |
| 32 bool enabled; | |
| 33 bool normalized; | |
| 34 | |
| 35 GLuint componentSize() const { | |
| 36 switch(type) { | |
| 37 case LOCAL_GL_BYTE: | |
| 38 return sizeof(GLbyte); | |
| 39 break; | |
| 40 case LOCAL_GL_UNSIGNED_BYTE: | |
| 41 return sizeof(GLubyte); | |
| 42 break; | |
| 43 case LOCAL_GL_SHORT: | |
| 44 return sizeof(GLshort); | |
| 45 break; | |
| 46 case LOCAL_GL_UNSIGNED_SHORT: | |
| 47 return sizeof(GLushort); | |
| 48 break; | |
| 49 // XXX case LOCAL_GL_FIXED: | |
| 50 case LOCAL_GL_FLOAT: | |
| 51 return sizeof(GLfloat); | |
| 52 break; | |
| 53 default: | |
| 54 NS_ERROR("Should never get here!"); | |
| 55 return 0; | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 GLuint actualStride() const { | |
| 60 if (stride) return stride; | |
| 61 return size * componentSize(); | |
| 62 } | |
| 63 }; | |
| 64 | |
| 65 } // namespace mozilla | |
| 66 | |
| 67 inline void ImplCycleCollectionUnlink(mozilla::WebGLVertexAttribData& aField) | |
| 68 { | |
| 69 aField.buf = nullptr; | |
| 70 } | |
| 71 | |
| 72 inline void | |
| 73 ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, | |
| 74 mozilla::WebGLVertexAttribData& aField, | |
| 75 const char* aName, | |
| 76 uint32_t aFlags = 0) | |
| 77 { | |
| 78 CycleCollectionNoteChild(aCallback, aField.buf.get(), aName, aFlags); | |
| 79 } | |
| 80 | |
| 81 #endif |
