gecko-dev/dom/canvas/WebGLExtensionVertexArray.cpp

70 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 20; 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 "WebGLContext.h"
#include "WebGLBuffer.h"
#include "WebGLVertexArray.h"
#include "WebGLExtensions.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "GLContext.h"
using namespace mozilla;
WebGLExtensionVertexArray::WebGLExtensionVertexArray(WebGLContext* context)
: WebGLExtensionBase(context)
{
MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionVertexArray :"
"OES_vertex_array_object unsuported.");
}
WebGLExtensionVertexArray::~WebGLExtensionVertexArray()
{
}
already_AddRefed<WebGLVertexArray> WebGLExtensionVertexArray::CreateVertexArrayOES()
{
if (mIsLost) {
mContext->GenerateWarning("createVertexArrayOES: Extension is lost. Returning null.");
return nullptr;
}
return mContext->CreateVertexArray();
}
void WebGLExtensionVertexArray::DeleteVertexArrayOES(WebGLVertexArray* array)
{
if (mIsLost)
return mContext->GenerateWarning("deleteVertexArrayOES: Extension is lost.");
mContext->DeleteVertexArray(array);
}
bool WebGLExtensionVertexArray::IsVertexArrayOES(WebGLVertexArray* array)
{
if (mIsLost) {
mContext->GenerateWarning("isVertexArrayOES: Extension is lost. Returning false.");
return false;
}
return mContext->IsVertexArray(array);
}
void WebGLExtensionVertexArray::BindVertexArrayOES(WebGLVertexArray* array)
{
if (mIsLost)
return mContext->GenerateWarning("bindVertexArrayOES: Extension is lost.");
mContext->BindVertexArray(array);
}
bool WebGLExtensionVertexArray::IsSupported(const WebGLContext* context)
{
// If it is not supported then it's emulated, therefore it's always 'supported'
// See - WebGLVertexArrayFake.h/cpp for the emulation
return true;
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionVertexArray)