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/*
* Copyright (C) 2009 Apple 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/webgl_renderbuffer.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
namespace blink {
WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx)
: WebGLSharedPlatform3DObject(ctx),
internal_format_(GL_RGBA4),
width_(0),
height_(0),
is_multisampled_(false),
has_ever_been_bound_(false) {
GLuint rbo;
ctx->ContextGL()->GenRenderbuffers(1, &rbo);
SetObject(rbo);
}
WebGLRenderbuffer::~WebGLRenderbuffer() = default;
void WebGLRenderbuffer::DeleteObjectImpl(gpu::gles2::GLES2Interface* gl) {
gl->DeleteRenderbuffers(1, &object_);
object_ = 0;
}
int WebGLRenderbuffer::UpdateMultisampleState(bool multisampled) {
int result = 0;
if (!is_multisampled_ && multisampled)
result = 1;
if (is_multisampled_ && !multisampled)
result = -1;
is_multisampled_ = multisampled;
return result;
}
void WebGLRenderbuffer::Trace(Visitor* visitor) const {
WebGLSharedPlatform3DObject::Trace(visitor);
}
} // namespace blink
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