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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "modules/webgl/OESVertexArrayObject.h"
#include "bindings/core/v8/ExceptionState.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "modules/webgl/WebGLRenderingContextBase.h"
#include "modules/webgl/WebGLVertexArrayObjectOES.h"
namespace blink {
OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContextBase* context)
: WebGLExtension(context) {
context->extensionsUtil()->ensureExtensionEnabled(
"GL_OES_vertex_array_object");
}
WebGLExtensionName OESVertexArrayObject::name() const {
return OESVertexArrayObjectName;
}
OESVertexArrayObject* OESVertexArrayObject::create(
WebGLRenderingContextBase* context) {
return new OESVertexArrayObject(context);
}
WebGLVertexArrayObjectOES* OESVertexArrayObject::createVertexArrayOES() {
WebGLExtensionScopedContext scoped(this);
if (scoped.isLost())
return nullptr;
return WebGLVertexArrayObjectOES::create(
scoped.context(), WebGLVertexArrayObjectOES::VaoTypeUser);
}
void OESVertexArrayObject::deleteVertexArrayOES(
WebGLVertexArrayObjectOES* arrayObject) {
WebGLExtensionScopedContext scoped(this);
if (!arrayObject || scoped.isLost())
return;
if (!arrayObject->isDefaultObject() &&
arrayObject == scoped.context()->m_boundVertexArrayObject)
scoped.context()->setBoundVertexArrayObject(nullptr);
arrayObject->deleteObject(scoped.context()->contextGL());
}
GLboolean OESVertexArrayObject::isVertexArrayOES(
WebGLVertexArrayObjectOES* arrayObject) {
WebGLExtensionScopedContext scoped(this);
if (!arrayObject || scoped.isLost())
return 0;
if (!arrayObject->hasEverBeenBound())
return 0;
return scoped.context()->contextGL()->IsVertexArrayOES(arrayObject->object());
}
void OESVertexArrayObject::bindVertexArrayOES(
WebGLVertexArrayObjectOES* arrayObject) {
WebGLExtensionScopedContext scoped(this);
if (scoped.isLost())
return;
if (arrayObject && (arrayObject->isDeleted() ||
!arrayObject->validate(0, scoped.context()))) {
scoped.context()->synthesizeGLError(
GL_INVALID_OPERATION, "bindVertexArrayOES", "invalid arrayObject");
return;
}
if (arrayObject && !arrayObject->isDefaultObject() && arrayObject->object()) {
scoped.context()->contextGL()->BindVertexArrayOES(arrayObject->object());
arrayObject->setHasEverBeenBound();
scoped.context()->setBoundVertexArrayObject(arrayObject);
} else {
scoped.context()->contextGL()->BindVertexArrayOES(0);
scoped.context()->setBoundVertexArrayObject(nullptr);
}
}
bool OESVertexArrayObject::supported(WebGLRenderingContextBase* context) {
return context->extensionsUtil()->supportsExtension(
"GL_OES_vertex_array_object");
}
const char* OESVertexArrayObject::extensionName() {
return "OES_vertex_array_object";
}
} // namespace blink
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