| /* |
| * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
| * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. |
| * Copyright (C) 2012 Company 100, 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 THE COPYRIGHT HOLDER “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 THE COPYRIGHT HOLDER 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. |
| */ |
| |
| #ifndef CustomFilterRenderer_h |
| #define CustomFilterRenderer_h |
| |
| #include "core/platform/graphics/GraphicsTypes3D.h" |
| #include "core/platform/graphics/IntSize.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterConstants.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterParameterList.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| class CustomFilterArrayParameter; |
| class CustomFilterCompiledProgram; |
| class CustomFilterMesh; |
| class CustomFilterNumberParameter; |
| class CustomFilterTransformParameter; |
| class GraphicsContext3D; |
| |
| class CustomFilterRenderer : public RefCounted<CustomFilterRenderer> { |
| public: |
| static PassRefPtr<CustomFilterRenderer> create(PassRefPtr<GraphicsContext3D>, CustomFilterProgramType, const CustomFilterParameterList&, |
| unsigned meshRows, unsigned meshColumns, CustomFilterMeshType); |
| ~CustomFilterRenderer(); |
| |
| bool premultipliedAlpha() const; |
| bool programNeedsInputTexture() const; |
| |
| bool prepareForDrawing(); |
| |
| void draw(Platform3DObject, const IntSize&); |
| |
| CustomFilterCompiledProgram* compiledProgram() const { return m_compiledProgram.get(); } |
| void setCompiledProgram(PassRefPtr<CustomFilterCompiledProgram>); |
| |
| private: |
| CustomFilterRenderer(PassRefPtr<GraphicsContext3D>, CustomFilterProgramType, const CustomFilterParameterList&, |
| unsigned meshRows, unsigned meshColumns, CustomFilterMeshType); |
| |
| void initializeCompiledProgramIfNeeded(); |
| void initializeMeshIfNeeded(); |
| |
| void bindVertexAttribute(int attributeLocation, unsigned size, unsigned offset); |
| void unbindVertexAttribute(int attributeLocation); |
| void bindProgramArrayParameters(int uniformLocation, CustomFilterArrayParameter*); |
| void bindProgramNumberParameters(int uniformLocation, CustomFilterNumberParameter*); |
| void bindProgramTransformParameter(int uniformLocation, CustomFilterTransformParameter*); |
| void bindProgramParameters(); |
| void bindProgramAndBuffers(Platform3DObject inputTexture); |
| void unbindVertexAttributes(); |
| |
| RefPtr<GraphicsContext3D> m_context; |
| RefPtr<CustomFilterCompiledProgram> m_compiledProgram; |
| CustomFilterProgramType m_programType; |
| RefPtr<CustomFilterMesh> m_mesh; |
| IntSize m_contextSize; |
| |
| CustomFilterParameterList m_parameters; |
| |
| unsigned m_meshRows; |
| unsigned m_meshColumns; |
| CustomFilterMeshType m_meshType; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // CustomFilterRenderer_h |