458 lines
12 KiB
C++
458 lines
12 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2012 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Brecht van Lommel
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include <string.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_math_color.h"
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#include "ocio_impl.h"
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#define CONFIG_DEFAULT ((OCIO_ConstConfigRcPtr*)1)
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#define PROCESSOR_LINEAR_TO_SRGB ((OCIO_ConstProcessorRcPtr*)1)
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#define PROCESSOR_SRGB_TO_LINEAR ((OCIO_ConstProcessorRcPtr*)2)
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#define PROCESSOR_UNKNOWN ((OCIO_ConstProcessorRcPtr*)3)
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#define COLORSPACE_LINEAR ((OCIO_ConstColorSpaceRcPtr*)1)
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#define COLORSPACE_SRGB ((OCIO_ConstColorSpaceRcPtr*)2)
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typedef struct OCIO_PackedImageDescription {
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float *data;
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long width;
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long height;
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long numChannels;
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long chanStrideBytes;
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long xStrideBytes;
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long yStrideBytes;
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} OCIO_PackedImageDescription;
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OCIO_ConstConfigRcPtr *FallbackImpl::getCurrentConfig(void)
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{
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return CONFIG_DEFAULT;
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}
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void FallbackImpl::setCurrentConfig(const OCIO_ConstConfigRcPtr * /*config*/)
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{
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}
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OCIO_ConstConfigRcPtr *FallbackImpl::configCreateFromEnv(void)
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{
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return NULL;
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}
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OCIO_ConstConfigRcPtr *FallbackImpl::configCreateFromFile(const char * /*filename*/)
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{
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return CONFIG_DEFAULT;
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}
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void FallbackImpl::configRelease(OCIO_ConstConfigRcPtr * /*config*/)
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{
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}
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int FallbackImpl::configGetNumColorSpaces(OCIO_ConstConfigRcPtr * /*config*/)
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{
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return 2;
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}
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const char *FallbackImpl::configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr * /*config*/, int index)
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{
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if (index == 0)
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return "Linear";
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else if (index == 1)
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return "sRGB";
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return NULL;
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}
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OCIO_ConstColorSpaceRcPtr *FallbackImpl::configGetColorSpace(OCIO_ConstConfigRcPtr * /*config*/, const char *name)
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{
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if (strcmp(name, "scene_linear") == 0)
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return COLORSPACE_LINEAR;
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else if (strcmp(name, "color_picking") == 0)
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return COLORSPACE_SRGB;
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else if (strcmp(name, "texture_paint") == 0)
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return COLORSPACE_LINEAR;
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else if (strcmp(name, "default_byte") == 0)
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return COLORSPACE_SRGB;
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else if (strcmp(name, "default_float") == 0)
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return COLORSPACE_LINEAR;
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else if (strcmp(name, "default_sequencer") == 0)
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return COLORSPACE_SRGB;
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else if (strcmp(name, "Linear") == 0)
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return COLORSPACE_LINEAR;
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else if (strcmp(name, "sRGB") == 0)
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return COLORSPACE_SRGB;
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return NULL;
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}
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int FallbackImpl::configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name)
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{
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OCIO_ConstColorSpaceRcPtr *cs = configGetColorSpace(config, name);
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if (cs == COLORSPACE_LINEAR)
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return 0;
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else if (cs == COLORSPACE_SRGB)
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return 1;
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return -1;
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}
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const char *FallbackImpl::configGetDefaultDisplay(OCIO_ConstConfigRcPtr * /*config*/)
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{
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return "sRGB";
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}
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int FallbackImpl::configGetNumDisplays(OCIO_ConstConfigRcPtr * /*config*/)
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{
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return 1;
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}
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const char *FallbackImpl::configGetDisplay(OCIO_ConstConfigRcPtr * /*config*/, int index)
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{
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if (index == 0)
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return "sRGB";
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return NULL;
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}
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const char *FallbackImpl::configGetDefaultView(OCIO_ConstConfigRcPtr * /*config*/, const char * /*display*/)
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{
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return "Default";
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}
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int FallbackImpl::configGetNumViews(OCIO_ConstConfigRcPtr * /*config*/, const char * /*display*/)
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{
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return 1;
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}
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const char *FallbackImpl::configGetView(OCIO_ConstConfigRcPtr * /*config*/, const char * /*display*/, int index)
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{
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if (index == 0)
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return "Default";
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return NULL;
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}
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const char *FallbackImpl::configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr * /*config*/, const char * /*display*/, const char * /*view*/)
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{
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return "sRGB";
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}
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void FallbackImpl::configGetDefaultLumaCoefs(OCIO_ConstConfigRcPtr * /*config*/, float *rgb)
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{
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/* Here we simply use the older Blender assumed primaries of
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* ITU-BT.709 / sRGB, or 0.2126729 0.7151522 0.0721750. Brute
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* force stupid, but only plausible option given no color management
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* system in place.
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*/
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rgb[0] = 0.2126f;
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rgb[1] = 0.7152f;
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rgb[2] = 0.0722f;
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}
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int FallbackImpl::configGetNumLooks(OCIO_ConstConfigRcPtr * /*config*/)
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{
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return 0;
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}
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const char *FallbackImpl::configGetLookNameByIndex(OCIO_ConstConfigRcPtr * /*config*/, int /*index*/)
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{
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return "";
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}
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OCIO_ConstLookRcPtr *FallbackImpl::configGetLook(OCIO_ConstConfigRcPtr * /*config*/, const char * /*name*/)
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{
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return NULL;
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}
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const char *FallbackImpl::lookGetProcessSpace(OCIO_ConstLookRcPtr * /*look*/)
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{
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return NULL;
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}
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void FallbackImpl::lookRelease(OCIO_ConstLookRcPtr * /*look*/)
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{
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}
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int FallbackImpl::colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr * /*cs*/)
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{
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return 1;
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}
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int FallbackImpl::colorSpaceIsData(OCIO_ConstColorSpaceRcPtr * /*cs*/)
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{
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return 0;
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}
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void FallbackImpl::colorSpaceRelease(OCIO_ConstColorSpaceRcPtr * /*cs*/)
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{
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}
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OCIO_ConstProcessorRcPtr *FallbackImpl::configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName)
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{
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OCIO_ConstColorSpaceRcPtr *cs_src = configGetColorSpace(config, srcName);
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OCIO_ConstColorSpaceRcPtr *cs_dst = configGetColorSpace(config, dstName);
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if (cs_src == COLORSPACE_LINEAR && cs_dst == COLORSPACE_SRGB)
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return PROCESSOR_LINEAR_TO_SRGB;
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else if (cs_src == COLORSPACE_SRGB && cs_dst == COLORSPACE_LINEAR)
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return PROCESSOR_SRGB_TO_LINEAR;
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return 0;
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}
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OCIO_ConstProcessorRcPtr *FallbackImpl::configGetProcessor(OCIO_ConstConfigRcPtr * /*config*/, OCIO_ConstTransformRcPtr *tfm)
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{
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return (OCIO_ConstProcessorRcPtr*)tfm;
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}
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void FallbackImpl::processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
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{
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/* OCIO_TODO stride not respected, channels must be 3 or 4 */
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OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)img;
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int channels = desc->numChannels;
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float *pixels = desc->data;
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int width = desc->width;
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int height = desc->height;
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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float *pixel = pixels + channels * (y * width + x);
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if (channels == 4)
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processorApplyRGBA(processor, pixel);
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else if (channels == 3)
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processorApplyRGB(processor, pixel);
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}
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}
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}
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void FallbackImpl::processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
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{
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/* OCIO_TODO stride not respected, channels must be 3 or 4 */
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OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)img;
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int channels = desc->numChannels;
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float *pixels = desc->data;
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int width = desc->width;
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int height = desc->height;
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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float *pixel = pixels + channels * (y * width + x);
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if (channels == 4)
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processorApplyRGBA_predivide(processor, pixel);
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else if (channels == 3)
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processorApplyRGB(processor, pixel);
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}
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}
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}
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void FallbackImpl::processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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if (processor == PROCESSOR_LINEAR_TO_SRGB)
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linearrgb_to_srgb_v3_v3(pixel, pixel);
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else if (processor == PROCESSOR_SRGB_TO_LINEAR)
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srgb_to_linearrgb_v3_v3(pixel, pixel);
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}
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void FallbackImpl::processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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if (processor == PROCESSOR_LINEAR_TO_SRGB)
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linearrgb_to_srgb_v4(pixel, pixel);
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else if (processor == PROCESSOR_SRGB_TO_LINEAR)
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srgb_to_linearrgb_v4(pixel, pixel);
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}
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void FallbackImpl::processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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if (pixel[3] == 1.0f || pixel[3] == 0.0f) {
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processorApplyRGBA(processor, pixel);
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}
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else {
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float alpha, inv_alpha;
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alpha = pixel[3];
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inv_alpha = 1.0f / alpha;
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pixel[0] *= inv_alpha;
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pixel[1] *= inv_alpha;
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pixel[2] *= inv_alpha;
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processorApplyRGBA(processor, pixel);
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pixel[0] *= alpha;
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pixel[1] *= alpha;
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pixel[2] *= alpha;
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}
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}
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void FallbackImpl::processorRelease(OCIO_ConstProcessorRcPtr * /*p*/)
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{
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}
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const char *FallbackImpl::colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs)
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{
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if (cs == COLORSPACE_LINEAR)
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return "Linear";
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else if (cs == COLORSPACE_SRGB)
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return "sRGB";
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return NULL;
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}
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const char *FallbackImpl::colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr * /*cs*/)
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{
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return "";
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}
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const char *FallbackImpl::colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr * /*cs*/)
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{
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return "";
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}
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OCIO_DisplayTransformRcPtr *FallbackImpl::createDisplayTransform(void)
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{
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return (OCIO_DisplayTransformRcPtr*)PROCESSOR_LINEAR_TO_SRGB;
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}
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void FallbackImpl::displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr * /*dt*/, const char * /*name*/)
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{
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}
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void FallbackImpl::displayTransformSetDisplay(OCIO_DisplayTransformRcPtr * /*dt*/, const char * /*name*/)
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{
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}
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void FallbackImpl::displayTransformSetView(OCIO_DisplayTransformRcPtr * /*dt*/, const char * /*name*/)
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{
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}
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void FallbackImpl::displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr * /*dt*/, OCIO_ConstTransformRcPtr * /*et*/)
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{
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}
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void FallbackImpl::displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr * /*dt*/, OCIO_ConstTransformRcPtr * /*et*/)
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{
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}
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void FallbackImpl::displayTransformSetLooksOverride(OCIO_DisplayTransformRcPtr * /*dt*/, const char * /*looks*/)
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{
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}
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void FallbackImpl::displayTransformSetLooksOverrideEnabled(OCIO_DisplayTransformRcPtr * /*dt*/, bool /*enabled*/)
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{
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}
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void FallbackImpl::displayTransformRelease(OCIO_DisplayTransformRcPtr * /*dt*/)
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{
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}
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OCIO_PackedImageDesc *FallbackImpl::createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
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long chanStrideBytes, long xStrideBytes, long yStrideBytes)
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{
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OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)MEM_callocN(sizeof(OCIO_PackedImageDescription), "OCIO_PackedImageDescription");
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desc->data = data;
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desc->width = width;
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desc->height = height;
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desc->numChannels = numChannels;
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desc->chanStrideBytes = chanStrideBytes;
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desc->xStrideBytes = xStrideBytes;
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desc->yStrideBytes = yStrideBytes;
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return (OCIO_PackedImageDesc*)desc;
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}
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void FallbackImpl::OCIO_PackedImageDescRelease(OCIO_PackedImageDesc* id)
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{
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MEM_freeN(id);
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}
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OCIO_ExponentTransformRcPtr *FallbackImpl::createExponentTransform(void)
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{
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return (OCIO_ExponentTransformRcPtr*)PROCESSOR_UNKNOWN;
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}
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void FallbackImpl::exponentTransformSetValue(OCIO_ExponentTransformRcPtr * /*et*/, const float * /*exponent*/)
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{
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}
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void FallbackImpl::exponentTransformRelease(OCIO_ExponentTransformRcPtr * /*et*/)
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{
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}
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OCIO_MatrixTransformRcPtr *FallbackImpl::createMatrixTransform(void)
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{
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return (OCIO_MatrixTransformRcPtr*)PROCESSOR_UNKNOWN;
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}
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void FallbackImpl::matrixTransformSetValue(OCIO_MatrixTransformRcPtr * /*mt*/, const float * /*m44*/, const float * /*offset4*/)
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{
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}
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void FallbackImpl::matrixTransformRelease(OCIO_MatrixTransformRcPtr * /*mt*/)
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{
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}
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void FallbackImpl::matrixTransformScale(float * /*m44*/, float * /*offset44*/, const float * /*scale4*/)
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{
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}
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bool FallbackImpl::supportGLSLDraw(void)
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{
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return false;
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}
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bool FallbackImpl::setupGLSLDraw(struct OCIO_GLSLDrawState ** /*state_r*/, OCIO_ConstProcessorRcPtr * /*processor*/,
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OCIO_CurveMappingSettings * /*curve_mapping_settings*/,
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float /*dither*/, bool /*predivide*/)
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{
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return false;
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}
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void FallbackImpl::finishGLSLDraw(OCIO_GLSLDrawState * /*state*/)
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{
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}
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void FallbackImpl::freeGLState(struct OCIO_GLSLDrawState * /*state_r*/)
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{
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}
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const char *FallbackImpl::getVersionString(void)
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{
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return "fallback";
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}
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int FallbackImpl::getVersionHex(void)
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{
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return 0;
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}
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