diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp')
-rw-r--r-- | Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp b/Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp new file mode 100644 index 0000000..364e6c8 --- /dev/null +++ b/Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp @@ -0,0 +1,59 @@ +/* + * 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 AND ITS CONTRIBUTORS "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 OR ITS 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" + +#include "LoopBlinnShader.h" + +#include "GraphicsContext3D.h" + +namespace WebCore { + +LoopBlinnShader::LoopBlinnShader(GraphicsContext3D* context, unsigned program) + : Shader(context, program) +{ + m_worldViewProjectionLocation = context->getUniformLocation(program, "worldViewProjection"); + m_positionLocation = context->getAttribLocation(program, "position"); + m_klmLocation = context->getAttribLocation(program, "klm"); +} + +void LoopBlinnShader::use(unsigned vertexOffset, unsigned klmOffset, const AffineTransform& transform) +{ + m_context->useProgram(m_program); + + float matrix[16]; + affineTo4x4(transform, matrix); + m_context->uniformMatrix4fv(m_worldViewProjectionLocation, false /*transpose*/, matrix, 1 /*count*/); + + m_context->vertexAttribPointer(m_positionLocation, 2, GraphicsContext3D::FLOAT, false, 0, vertexOffset); + m_context->enableVertexAttribArray(m_positionLocation); + + if (m_klmLocation != -1) { + m_context->vertexAttribPointer(m_klmLocation, 3, GraphicsContext3D::FLOAT, false, 0, klmOffset); + m_context->enableVertexAttribArray(m_klmLocation); + } +} + +} // namespace WebCore |