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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 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/webgl_uniform_location.h"
namespace blink {
WebGLUniformLocation* WebGLUniformLocation::Create(WebGLProgram* program,
GLint location) {
return MakeGarbageCollected<WebGLUniformLocation>(program, location);
}
WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program,
GLint location)
: program_(program), location_(location) {
DCHECK(program_);
link_count_ = program_->LinkCount();
}
WebGLProgram* WebGLUniformLocation::Program() const {
// If the program has been linked again, then this UniformLocation is no
// longer valid.
if (program_->LinkCount() != link_count_)
return nullptr;
return program_;
}
GLint WebGLUniformLocation::Location() const {
// If the program has been linked again, then this UniformLocation is no
// longer valid.
DCHECK_EQ(program_->LinkCount(), link_count_);
return location_;
}
void WebGLUniformLocation::Trace(blink::Visitor* visitor) {
visitor->Trace(program_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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