content/canvas/src/WebGLVertexArray.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 20; 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 "WebGLVertexArray.h"
michael@0 9 #include "mozilla/dom/WebGLRenderingContextBinding.h"
michael@0 10 #include "GLContext.h"
michael@0 11
michael@0 12 using namespace mozilla;
michael@0 13
michael@0 14 JSObject*
michael@0 15 WebGLVertexArray::WrapObject(JSContext *cx) {
michael@0 16 return dom::WebGLVertexArrayBinding::Wrap(cx, this);
michael@0 17 }
michael@0 18
michael@0 19 WebGLVertexArray::WebGLVertexArray(WebGLContext* context)
michael@0 20 : WebGLContextBoundObject(context)
michael@0 21 , mGLName(0)
michael@0 22 , mHasEverBeenBound(false)
michael@0 23 {
michael@0 24 SetIsDOMBinding();
michael@0 25 }
michael@0 26
michael@0 27 void WebGLVertexArray::Delete() {
michael@0 28 if (mGLName != 0) {
michael@0 29 mBoundElementArrayBuffer = nullptr;
michael@0 30
michael@0 31 mContext->MakeContextCurrent();
michael@0 32 mContext->gl->fDeleteVertexArrays(1, &mGLName);
michael@0 33 LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);
michael@0 34 }
michael@0 35
michael@0 36 mBoundElementArrayBuffer = nullptr;
michael@0 37 mAttribs.Clear();
michael@0 38 }
michael@0 39
michael@0 40 bool WebGLVertexArray::EnsureAttrib(GLuint index, const char *info)
michael@0 41 {
michael@0 42 if (index >= GLuint(mContext->mGLMaxVertexAttribs)) {
michael@0 43 if (index == GLuint(-1)) {
michael@0 44 mContext->ErrorInvalidValue("%s: index -1 is invalid. That probably comes from a getAttribLocation() call, "
michael@0 45 "where this return value -1 means that the passed name didn't correspond to an active attribute in "
michael@0 46 "the specified program.", info);
michael@0 47 } else {
michael@0 48 mContext->ErrorInvalidValue("%s: index %d is out of range", info, index);
michael@0 49 }
michael@0 50 return false;
michael@0 51 }
michael@0 52 else if (index >= mAttribs.Length()) {
michael@0 53 mAttribs.SetLength(index + 1);
michael@0 54 }
michael@0 55
michael@0 56 return true;
michael@0 57 }
michael@0 58
michael@0 59 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(WebGLVertexArray,
michael@0 60 mAttribs,
michael@0 61 mBoundElementArrayBuffer)
michael@0 62
michael@0 63 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)
michael@0 64 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)

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