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Diffstat (limited to 'Source/WebCore/html/canvas/WebGLUniformLocation.cpp')
-rw-r--r-- | Source/WebCore/html/canvas/WebGLUniformLocation.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Source/WebCore/html/canvas/WebGLUniformLocation.cpp b/Source/WebCore/html/canvas/WebGLUniformLocation.cpp new file mode 100644 index 000000000..1aeddb568 --- /dev/null +++ b/Source/WebCore/html/canvas/WebGLUniformLocation.cpp @@ -0,0 +1,67 @@ +/* + * 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 "config.h" + +#if ENABLE(WEBGL) + +#include "WebGLUniformLocation.h" + +namespace WebCore { + +PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* program, GC3Dint location) +{ + return adoptRef(new WebGLUniformLocation(program, location)); +} + +WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program, GC3Dint location) + : m_program(program) + , m_location(location) +{ + ASSERT(m_program); + m_linkCount = m_program->getLinkCount(); +} + +WebGLProgram* WebGLUniformLocation::program() const +{ + // If the program has been linked again, then this UniformLocation is no + // longer valid. + if (m_program->getLinkCount() != m_linkCount) + return 0; + return m_program.get(); +} + +GC3Dint WebGLUniformLocation::location() const +{ + // If the program has been linked again, then this UniformLocation is no + // longer valid. + ASSERT(m_program->getLinkCount() == m_linkCount); + return m_location; +} + +} + +#endif // ENABLE(WEBGL) |