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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 "third_party/blink/renderer/modules/webgl/oes_vertex_array_object.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
#include "third_party/blink/renderer/modules/webgl/webgl_vertex_array_object_oes.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContextBase* context)
: WebGLExtension(context) {
context->ExtensionsUtil()->EnsureExtensionEnabled(
"GL_OES_vertex_array_object");
}
WebGLExtensionName OESVertexArrayObject::GetName() const {
return kOESVertexArrayObjectName;
}
OESVertexArrayObject* OESVertexArrayObject::Create(
WebGLRenderingContextBase* context) {
return MakeGarbageCollected<OESVertexArrayObject>(context);
}
WebGLVertexArrayObjectOES* OESVertexArrayObject::createVertexArrayOES() {
WebGLExtensionScopedContext scoped(this);
if (scoped.IsLost())
return nullptr;
return WebGLVertexArrayObjectOES::Create(
scoped.Context(), WebGLVertexArrayObjectOES::kVaoTypeUser);
}
void OESVertexArrayObject::deleteVertexArrayOES(
WebGLVertexArrayObjectOES* array_object) {
WebGLExtensionScopedContext scoped(this);
if (!array_object || scoped.IsLost())
return;
if (!array_object->IsDefaultObject() &&
array_object == scoped.Context()->bound_vertex_array_object_)
scoped.Context()->SetBoundVertexArrayObject(nullptr);
array_object->DeleteObject(scoped.Context()->ContextGL());
}
GLboolean OESVertexArrayObject::isVertexArrayOES(
WebGLVertexArrayObjectOES* array_object) {
WebGLExtensionScopedContext scoped(this);
if (!array_object || scoped.IsLost())
return 0;
if (!array_object->HasEverBeenBound())
return 0;
return scoped.Context()->ContextGL()->IsVertexArrayOES(
array_object->Object());
}
void OESVertexArrayObject::bindVertexArrayOES(
WebGLVertexArrayObjectOES* array_object) {
WebGLExtensionScopedContext scoped(this);
if (scoped.IsLost())
return;
if (array_object && (array_object->IsDeleted() ||
!array_object->Validate(nullptr, scoped.Context()))) {
scoped.Context()->SynthesizeGLError(
GL_INVALID_OPERATION, "bindVertexArrayOES", "invalid arrayObject");
return;
}
if (array_object && !array_object->IsDefaultObject() &&
array_object->Object()) {
scoped.Context()->ContextGL()->BindVertexArrayOES(array_object->Object());
array_object->SetHasEverBeenBound();
scoped.Context()->SetBoundVertexArrayObject(array_object);
} 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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