graphicscomposition/openwfcompositionengine/common/include/owfutils.h
author Matt Plumtree <matt.plumtree@nokia.com>
Fri, 23 Apr 2010 17:57:02 +0100
branchNewGraphicsArchitecture
changeset 39 a4b63488e0b0
parent 0 5d03bc08d59c
permissions -rw-r--r--
Revise some of the compositor performance improvements to improve correctness. Implement pixel blending using a variation of Jim Blinn's no-division blending algorithm. Move transparency type simplification further up the composition code. Remove some unnecessary fields. Output to YUV implementation needs revision as it is actually converting from YUV (copy of source conversion code).
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/* Copyright (c) 2009 The Khronos Group Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and/or associated documentation files (the
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 * "Materials"), to deal in the Materials without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Materials, and to
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 * permit persons to whom the Materials are furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Materials.
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 *
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 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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 */
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#ifndef OWFUTILS_H_
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#define OWFUTILS_H_
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#include "owftypes.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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OWF_API_CALL OWFint min(OWFint aLhs, OWFint aRhs);
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OWF_API_CALL void OWF_Rect_Set(OWF_RECTANGLE* rect,
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                         OWFint left,
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                         OWFint top,
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                         OWFint width,
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                         OWFint height);
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OWF_API_CALL OWFboolean OWF_Rect_Clip(OWF_RECTANGLE* clipped,
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                                      OWF_RECTANGLE* rect,
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                                      OWF_RECTANGLE* bounds);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UTILS_H_ */