content/canvas/src/WebGLContextVertexArray.cpp

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "WebGLContext.h"
michael@0 7 #include "WebGLBuffer.h"
michael@0 8 #include "WebGLVertexAttribData.h"
michael@0 9 #include "WebGLVertexArray.h"
michael@0 10 #include "GLContext.h"
michael@0 11
michael@0 12 using namespace mozilla;
michael@0 13
michael@0 14 void
michael@0 15 WebGLContext::BindVertexArray(WebGLVertexArray *array)
michael@0 16 {
michael@0 17 if (IsContextLost())
michael@0 18 return;
michael@0 19
michael@0 20 if (!ValidateObjectAllowDeletedOrNull("bindVertexArrayObject", array))
michael@0 21 return;
michael@0 22
michael@0 23 if (array && array->IsDeleted()) {
michael@0 24 /* http://www.khronos.org/registry/gles/extensions/OES/OES_vertex_array_object.txt
michael@0 25 * BindVertexArrayOES fails and an INVALID_OPERATION error is
michael@0 26 * generated if array is not a name returned from a previous call to
michael@0 27 * GenVertexArraysOES, or if such a name has since been deleted with
michael@0 28 * DeleteVertexArraysOES
michael@0 29 */
michael@0 30 ErrorInvalidOperation("bindVertexArray: can't bind a deleted array!");
michael@0 31 return;
michael@0 32 }
michael@0 33
michael@0 34 InvalidateBufferFetching();
michael@0 35
michael@0 36 MakeContextCurrent();
michael@0 37
michael@0 38 if (array) {
michael@0 39 gl->fBindVertexArray(array->GLName());
michael@0 40 array->SetHasEverBeenBound(true);
michael@0 41 mBoundVertexArray = array;
michael@0 42 }
michael@0 43 else {
michael@0 44 gl->fBindVertexArray(0);
michael@0 45 mBoundVertexArray = mDefaultVertexArray;
michael@0 46 }
michael@0 47 }
michael@0 48
michael@0 49 already_AddRefed<WebGLVertexArray>
michael@0 50 WebGLContext::CreateVertexArray()
michael@0 51 {
michael@0 52 if (IsContextLost())
michael@0 53 return nullptr;
michael@0 54
michael@0 55 nsRefPtr<WebGLVertexArray> globj = new WebGLVertexArray(this);
michael@0 56
michael@0 57 MakeContextCurrent();
michael@0 58 gl->fGenVertexArrays(1, &globj->mGLName);
michael@0 59
michael@0 60 mVertexArrays.insertBack(globj);
michael@0 61
michael@0 62 return globj.forget();
michael@0 63 }
michael@0 64
michael@0 65 void
michael@0 66 WebGLContext::DeleteVertexArray(WebGLVertexArray *array)
michael@0 67 {
michael@0 68 if (IsContextLost())
michael@0 69 return;
michael@0 70
michael@0 71 if (array == nullptr)
michael@0 72 return;
michael@0 73
michael@0 74 if (array->IsDeleted())
michael@0 75 return;
michael@0 76
michael@0 77 if (mBoundVertexArray == array)
michael@0 78 BindVertexArray(static_cast<WebGLVertexArray*>(nullptr));
michael@0 79
michael@0 80 array->RequestDelete();
michael@0 81 }
michael@0 82
michael@0 83 bool
michael@0 84 WebGLContext::IsVertexArray(WebGLVertexArray *array)
michael@0 85 {
michael@0 86 if (IsContextLost())
michael@0 87 return false;
michael@0 88
michael@0 89 if (!array)
michael@0 90 return false;
michael@0 91
michael@0 92 return ValidateObjectAllowDeleted("isVertexArray", array) &&
michael@0 93 !array->IsDeleted() &&
michael@0 94 array->HasEverBeenBound();
michael@0 95 }
michael@0 96
michael@0 97

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