gecko-dev/dom/canvas/WebGLContextVertexArray.cpp

87 строки
1.9 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 "WebGLContext.h"
#include "GLContext.h"
#include "WebGLBuffer.h"
#include "WebGLVertexArray.h"
#include "WebGLVertexAttribData.h"
namespace mozilla {
void
WebGLContext::BindVertexArray(WebGLVertexArray* array)
{
if (IsContextLost())
return;
if (array && !ValidateObject("bindVertexArrayObject", *array))
return;
InvalidateBufferFetching();
MakeContextCurrent();
if (mBoundVertexArray) {
mBoundVertexArray->AddBufferBindCounts(-1);
}
if (array == nullptr) {
array = mDefaultVertexArray;
}
array->BindVertexArray();
MOZ_ASSERT(mBoundVertexArray == array);
if (mBoundVertexArray) {
mBoundVertexArray->AddBufferBindCounts(+1);
}
}
already_AddRefed<WebGLVertexArray>
WebGLContext::CreateVertexArray()
{
if (IsContextLost())
return nullptr;
RefPtr<WebGLVertexArray> globj = CreateVertexArrayImpl();
MakeContextCurrent();
globj->GenVertexArray();
return globj.forget();
}
WebGLVertexArray*
WebGLContext::CreateVertexArrayImpl()
{
return WebGLVertexArray::Create(this);
}
void
WebGLContext::DeleteVertexArray(WebGLVertexArray* array)
{
if (!ValidateDeleteObject("deleteVertexArray", array))
return;
if (mBoundVertexArray == array)
BindVertexArray(static_cast<WebGLVertexArray*>(nullptr));
array->RequestDelete();
}
bool
WebGLContext::IsVertexArray(const WebGLVertexArray* array)
{
if (!ValidateIsObject("isVertexArray", array))
return false;
MakeContextCurrent();
return array->IsVertexArray();
}
} // namespace mozilla