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comparison: content/canvas/src/WebGLContextVertexArray.cpp
content/canvas/src/WebGLContextVertexArray.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:3fdeacccda37 |
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| 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 #include "WebGLContext.h" | |
| 7 #include "WebGLBuffer.h" | |
| 8 #include "WebGLVertexAttribData.h" | |
| 9 #include "WebGLVertexArray.h" | |
| 10 #include "GLContext.h" | |
| 11 | |
| 12 using namespace mozilla; | |
| 13 | |
| 14 void | |
| 15 WebGLContext::BindVertexArray(WebGLVertexArray *array) | |
| 16 { | |
| 17 if (IsContextLost()) | |
| 18 return; | |
| 19 | |
| 20 if (!ValidateObjectAllowDeletedOrNull("bindVertexArrayObject", array)) | |
| 21 return; | |
| 22 | |
| 23 if (array && array->IsDeleted()) { | |
| 24 /* http://www.khronos.org/registry/gles/extensions/OES/OES_vertex_array_object.txt | |
| 25 * BindVertexArrayOES fails and an INVALID_OPERATION error is | |
| 26 * generated if array is not a name returned from a previous call to | |
| 27 * GenVertexArraysOES, or if such a name has since been deleted with | |
| 28 * DeleteVertexArraysOES | |
| 29 */ | |
| 30 ErrorInvalidOperation("bindVertexArray: can't bind a deleted array!"); | |
| 31 return; | |
| 32 } | |
| 33 | |
| 34 InvalidateBufferFetching(); | |
| 35 | |
| 36 MakeContextCurrent(); | |
| 37 | |
| 38 if (array) { | |
| 39 gl->fBindVertexArray(array->GLName()); | |
| 40 array->SetHasEverBeenBound(true); | |
| 41 mBoundVertexArray = array; | |
| 42 } | |
| 43 else { | |
| 44 gl->fBindVertexArray(0); | |
| 45 mBoundVertexArray = mDefaultVertexArray; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 already_AddRefed<WebGLVertexArray> | |
| 50 WebGLContext::CreateVertexArray() | |
| 51 { | |
| 52 if (IsContextLost()) | |
| 53 return nullptr; | |
| 54 | |
| 55 nsRefPtr<WebGLVertexArray> globj = new WebGLVertexArray(this); | |
| 56 | |
| 57 MakeContextCurrent(); | |
| 58 gl->fGenVertexArrays(1, &globj->mGLName); | |
| 59 | |
| 60 mVertexArrays.insertBack(globj); | |
| 61 | |
| 62 return globj.forget(); | |
| 63 } | |
| 64 | |
| 65 void | |
| 66 WebGLContext::DeleteVertexArray(WebGLVertexArray *array) | |
| 67 { | |
| 68 if (IsContextLost()) | |
| 69 return; | |
| 70 | |
| 71 if (array == nullptr) | |
| 72 return; | |
| 73 | |
| 74 if (array->IsDeleted()) | |
| 75 return; | |
| 76 | |
| 77 if (mBoundVertexArray == array) | |
| 78 BindVertexArray(static_cast<WebGLVertexArray*>(nullptr)); | |
| 79 | |
| 80 array->RequestDelete(); | |
| 81 } | |
| 82 | |
| 83 bool | |
| 84 WebGLContext::IsVertexArray(WebGLVertexArray *array) | |
| 85 { | |
| 86 if (IsContextLost()) | |
| 87 return false; | |
| 88 | |
| 89 if (!array) | |
| 90 return false; | |
| 91 | |
| 92 return ValidateObjectAllowDeleted("isVertexArray", array) && | |
| 93 !array->IsDeleted() && | |
| 94 array->HasEverBeenBound(); | |
| 95 } | |
| 96 | |
| 97 |
