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-rw-r--r--Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp59
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
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+++ b/Source/WebCore/platform/graphics/gpu/LoopBlinnShader.cpp
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+/*
+ * 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