gecko-dev/dom/canvas/WebGLVertexArrayGL.cpp

73 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebGLVertexArrayGL.h"
#include "GLContext.h"
#include "WebGLContext.h"
namespace mozilla {
WebGLVertexArrayGL::WebGLVertexArrayGL(WebGLContext* webgl)
: WebGLVertexArray(webgl)
#if defined(XP_LINUX)
, mIsVAO(false)
#endif
{ }
WebGLVertexArrayGL::~WebGLVertexArrayGL()
{
DeleteOnce();
}
void
WebGLVertexArrayGL::DeleteImpl()
{
mElementArrayBuffer = nullptr;
mContext->MakeContextCurrent();
mContext->gl->fDeleteVertexArrays(1, &mGLName);
#if defined(XP_LINUX)
mIsVAO = false;
#endif
}
void
WebGLVertexArrayGL::BindVertexArrayImpl()
{
mContext->mBoundVertexArray = this;
mContext->gl->fBindVertexArray(mGLName);
#if defined(XP_LINUX)
mIsVAO = true;
#endif
}
void
WebGLVertexArrayGL::GenVertexArray()
{
mContext->gl->fGenVertexArrays(1, &mGLName);
}
bool
WebGLVertexArrayGL::IsVertexArrayImpl()
{
#if defined(XP_LINUX)
gl::GLContext* gl = mContext->gl;
if (gl->WorkAroundDriverBugs() &&
gl->Vendor() == gl::GLVendor::VMware &&
gl->Renderer() == gl::GLRenderer::GalliumLlvmpipe)
{
return mIsVAO;
}
#endif
mContext->MakeContextCurrent();
return mContext->gl->fIsVertexArray(mGLName) != 0;
}
} // namespace mozilla