The Tor Browser: content/canvas/src/WebGLVertexArray.cpp@6474c204b198

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

     1 /* -*- Mode: C++; tab-width: 20; 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/. */

     6 #include "WebGLContext.h"

     7 #include "WebGLBuffer.h"

     8 #include "WebGLVertexArray.h"

     9 #include "mozilla/dom/WebGLRenderingContextBinding.h"

    10 #include "GLContext.h"

    12 using namespace mozilla;

    14 JSObject*

    15 WebGLVertexArray::WrapObject(JSContext *cx) {

    16     return dom::WebGLVertexArrayBinding::Wrap(cx, this);

    17 }

    19 WebGLVertexArray::WebGLVertexArray(WebGLContext* context)

    20     : WebGLContextBoundObject(context)

    21     , mGLName(0)

    22     , mHasEverBeenBound(false)

    23 {

    24     SetIsDOMBinding();

    25 }

    27 void WebGLVertexArray::Delete() {

    28     if (mGLName != 0) {

    29         mBoundElementArrayBuffer = nullptr;

    31         mContext->MakeContextCurrent();

    32         mContext->gl->fDeleteVertexArrays(1, &mGLName);

    33         LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);

    34     }

    36     mBoundElementArrayBuffer = nullptr;

    37     mAttribs.Clear();

    38 }

    40 bool WebGLVertexArray::EnsureAttrib(GLuint index, const char *info)

    41 {

    42     if (index >= GLuint(mContext->mGLMaxVertexAttribs)) {

    43         if (index == GLuint(-1)) {

    44             mContext->ErrorInvalidValue("%s: index -1 is invalid. That probably comes from a getAttribLocation() call, "

    45                                         "where this return value -1 means that the passed name didn't correspond to an active attribute in "

    46                                         "the specified program.", info);

    47         } else {

    48             mContext->ErrorInvalidValue("%s: index %d is out of range", info, index);

    49         }

    50         return false;

    51     }

    52     else if (index >= mAttribs.Length()) {

    53         mAttribs.SetLength(index + 1);

    54     }

    56     return true;

    57 }

    59 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(WebGLVertexArray,

    60   mAttribs,

    61   mBoundElementArrayBuffer)

    63 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)

    64 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)

The Tor Browser / file revision