dom/canvas/WebGLTransformFeedback.cpp

   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 "WebGLTransformFeedback.h"
   7
   8 #include "GLContext.h"
   9 #include "mozilla/dom/WebGL2RenderingContextBinding.h"
  10 #include "WebGL2Context.h"
  11
  12 namespace mozilla {
  13
  14 WebGLTransformFeedback::WebGLTransformFeedback(WebGLContext* webgl,
  15                                                GLuint tf)
  16     : WebGLBindableName<GLenum>(tf)
  17     , WebGLContextBoundObject(webgl)
  18     , mMode(LOCAL_GL_NONE)
  19     , mIsActive(false)
  20     , mIsPaused(false)
  21 {
  22     mContext->mTransformFeedbacks.insertBack(this);
  23 }
  24
  25 WebGLTransformFeedback::~WebGLTransformFeedback()
  26 {
  27     mMode = LOCAL_GL_NONE;
  28     mIsActive = false;
  29     mIsPaused = false;
  30     DeleteOnce();
  31 }
  32
  33 void
  34 WebGLTransformFeedback::Delete()
  35 {
  36     mContext->MakeContextCurrent();
  37     mContext->gl->fDeleteTransformFeedbacks(1, &mGLName);
  38     removeFrom(mContext->mTransformFeedbacks);
  39 }
  40
  41 WebGLContext*
  42 WebGLTransformFeedback::GetParentObject() const
  43 {
  44     return Context();
  45 }
  46
  47 JSObject*
  48 WebGLTransformFeedback::WrapObject(JSContext* cx)
  49 {
  50     return dom::WebGLTransformFeedbackBinding::Wrap(cx, this);
  51 }
  52
  53
  54 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLTransformFeedback)
  55 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLTransformFeedback, AddRef)
  56 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLTransformFeedback, Release)
  57
  58 } // namespace mozilla