diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/gpu/LoopBlinnSolidFillShader.cpp')
-rw-r--r-- | Source/WebCore/platform/graphics/gpu/LoopBlinnSolidFillShader.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/gpu/LoopBlinnSolidFillShader.cpp b/Source/WebCore/platform/graphics/gpu/LoopBlinnSolidFillShader.cpp new file mode 100644 index 0000000..43a97ef --- /dev/null +++ b/Source/WebCore/platform/graphics/gpu/LoopBlinnSolidFillShader.cpp @@ -0,0 +1,62 @@ +/* + * 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 "LoopBlinnSolidFillShader.h" + +#include "GraphicsContext3D.h" + +namespace WebCore { + +PassOwnPtr<LoopBlinnSolidFillShader> LoopBlinnSolidFillShader::create(GraphicsContext3D* context, + LoopBlinnShader::Region region, + Shader::AntialiasType antialiasType) +{ + VertexType type = (region == Interior) ? LoopBlinnInterior : LoopBlinnExterior; + unsigned program = loadProgram(context, + generateVertex(type, SolidFill), + generateFragment(type, SolidFill, antialiasType)); + if (!program) + return 0; + return new LoopBlinnSolidFillShader(context, program); +} + +LoopBlinnSolidFillShader::LoopBlinnSolidFillShader(GraphicsContext3D* context, unsigned program) + : LoopBlinnShader(context, program) +{ + m_colorLocation = context->getUniformLocation(program, "color"); +} + +void LoopBlinnSolidFillShader::use(unsigned vertexOffset, unsigned klmOffset, const AffineTransform& transform, const Color& color) +{ + LoopBlinnShader::use(vertexOffset, klmOffset, transform); + + float rgba[4]; + color.getRGBA(rgba[0], rgba[1], rgba[2], rgba[3]); + m_context->uniform4f(m_colorLocation, rgba[0] * rgba[3], rgba[1] * rgba[3], rgba[2] * rgba[3], rgba[3]); +} + +} // namespace WebCore |