forked from bartvdbraak/blender
383 lines
9.6 KiB
C++
383 lines
9.6 KiB
C++
/*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2012 Blender Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Contributor(s): Brecht van Lommel
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
#include "BLI_math_color.h"
|
|
|
|
#include "ocio_impl.h"
|
|
|
|
#define CONFIG_DEFAULT ((OCIO_ConstConfigRcPtr*)1)
|
|
|
|
#define PROCESSOR_LINEAR_TO_SRGB ((OCIO_ConstProcessorRcPtr*)1)
|
|
#define PROCESSOR_SRGB_TO_LINEAR ((OCIO_ConstProcessorRcPtr*)2)
|
|
#define PROCESSOR_UNKNOWN ((OCIO_ConstProcessorRcPtr*)3)
|
|
|
|
#define COLORSPACE_LINEAR ((OCIO_ConstColorSpaceRcPtr*)1)
|
|
#define COLORSPACE_SRGB ((OCIO_ConstColorSpaceRcPtr*)2)
|
|
|
|
typedef struct OCIO_PackedImageDescription {
|
|
float *data;
|
|
long width;
|
|
long height;
|
|
long numChannels;
|
|
long chanStrideBytes;
|
|
long xStrideBytes;
|
|
long yStrideBytes;
|
|
} OCIO_PackedImageDescription;
|
|
|
|
OCIO_ConstConfigRcPtr *FallbackImpl::getCurrentConfig(void)
|
|
{
|
|
return CONFIG_DEFAULT;
|
|
}
|
|
|
|
void FallbackImpl::setCurrentConfig(const OCIO_ConstConfigRcPtr *)
|
|
{
|
|
}
|
|
|
|
OCIO_ConstConfigRcPtr *FallbackImpl::configCreateFromEnv(void)
|
|
{
|
|
return CONFIG_DEFAULT;
|
|
}
|
|
|
|
OCIO_ConstConfigRcPtr *FallbackImpl::configCreateFromFile(const char *)
|
|
{
|
|
return CONFIG_DEFAULT;
|
|
}
|
|
|
|
void FallbackImpl::configRelease(OCIO_ConstConfigRcPtr *)
|
|
{
|
|
}
|
|
|
|
int FallbackImpl::configGetNumColorSpaces(OCIO_ConstConfigRcPtr *)
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *, int index)
|
|
{
|
|
if (index == 0)
|
|
return "Linear";
|
|
else if (index == 1)
|
|
return "sRGB";
|
|
|
|
return NULL;
|
|
}
|
|
|
|
OCIO_ConstColorSpaceRcPtr *FallbackImpl::configGetColorSpace(OCIO_ConstConfigRcPtr *, const char *name)
|
|
{
|
|
if (strcmp(name, "scene_linear") == 0)
|
|
return COLORSPACE_LINEAR;
|
|
else if (strcmp(name, "color_picking") == 0)
|
|
return COLORSPACE_SRGB;
|
|
else if (strcmp(name, "texture_paint") == 0)
|
|
return COLORSPACE_LINEAR;
|
|
else if (strcmp(name, "default_byte") == 0)
|
|
return COLORSPACE_SRGB;
|
|
else if (strcmp(name, "default_float") == 0)
|
|
return COLORSPACE_LINEAR;
|
|
else if (strcmp(name, "default_sequencer") == 0)
|
|
return COLORSPACE_SRGB;
|
|
else if (strcmp(name, "Linear") == 0)
|
|
return COLORSPACE_LINEAR;
|
|
else if (strcmp(name, "sRGB") == 0)
|
|
return COLORSPACE_SRGB;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int FallbackImpl::configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name)
|
|
{
|
|
OCIO_ConstColorSpaceRcPtr *cs = configGetColorSpace(config, name);
|
|
|
|
if (cs == COLORSPACE_LINEAR)
|
|
return 0;
|
|
else if (cs == COLORSPACE_SRGB)
|
|
return 1;
|
|
|
|
return -1;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetDefaultDisplay(OCIO_ConstConfigRcPtr *)
|
|
{
|
|
return "sRGB";
|
|
}
|
|
|
|
int FallbackImpl::configGetNumDisplays(OCIO_ConstConfigRcPtr* config)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetDisplay(OCIO_ConstConfigRcPtr *, int index)
|
|
{
|
|
if (index == 0)
|
|
return "sRGB";
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetDefaultView(OCIO_ConstConfigRcPtr *, const char *)
|
|
{
|
|
return "Default";
|
|
}
|
|
|
|
int FallbackImpl::configGetNumViews(OCIO_ConstConfigRcPtr *, const char *)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetView(OCIO_ConstConfigRcPtr *, const char *, int index)
|
|
{
|
|
if (index == 0)
|
|
return "Default";
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const char *FallbackImpl::configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *, const char *, const char *)
|
|
{
|
|
return "sRGB";
|
|
}
|
|
|
|
int FallbackImpl::colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int FallbackImpl::colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void FallbackImpl::colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs)
|
|
{
|
|
}
|
|
|
|
OCIO_ConstProcessorRcPtr *FallbackImpl::configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName)
|
|
{
|
|
OCIO_ConstColorSpaceRcPtr *cs_src = configGetColorSpace(config, srcName);
|
|
OCIO_ConstColorSpaceRcPtr *cs_dst = configGetColorSpace(config, dstName);
|
|
|
|
if (cs_src == COLORSPACE_LINEAR && cs_dst == COLORSPACE_SRGB)
|
|
return PROCESSOR_LINEAR_TO_SRGB;
|
|
else if (cs_src == COLORSPACE_SRGB && cs_dst == COLORSPACE_LINEAR)
|
|
return PROCESSOR_SRGB_TO_LINEAR;
|
|
|
|
return 0;
|
|
}
|
|
|
|
OCIO_ConstProcessorRcPtr *FallbackImpl::configGetProcessor(OCIO_ConstConfigRcPtr *, OCIO_ConstTransformRcPtr *tfm)
|
|
{
|
|
return (OCIO_ConstProcessorRcPtr*)tfm;
|
|
}
|
|
|
|
void FallbackImpl::processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
|
|
{
|
|
/* OCIO_TODO stride not respected, channels must be 3 or 4 */
|
|
OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)img;
|
|
int channels = desc->numChannels;
|
|
float *pixels = desc->data;
|
|
int width = desc->width;
|
|
int height = desc->height;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
float *pixel = pixels + channels * (y * width + x);
|
|
|
|
if (channels == 4)
|
|
processorApplyRGBA(processor, pixel);
|
|
else if (channels == 3)
|
|
processorApplyRGB(processor, pixel);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FallbackImpl::processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
|
|
{
|
|
/* OCIO_TODO stride not respected, channels must be 3 or 4 */
|
|
OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)img;
|
|
int channels = desc->numChannels;
|
|
float *pixels = desc->data;
|
|
int width = desc->width;
|
|
int height = desc->height;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
float *pixel = pixels + channels * (y * width + x);
|
|
|
|
if (channels == 4)
|
|
processorApplyRGBA_predivide(processor, pixel);
|
|
else if (channels == 3)
|
|
processorApplyRGB(processor, pixel);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FallbackImpl::processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel)
|
|
{
|
|
if (processor == PROCESSOR_LINEAR_TO_SRGB)
|
|
linearrgb_to_srgb_v3_v3(pixel, pixel);
|
|
else if (processor == PROCESSOR_SRGB_TO_LINEAR)
|
|
srgb_to_linearrgb_v3_v3(pixel, pixel);
|
|
}
|
|
|
|
void FallbackImpl::processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel)
|
|
{
|
|
if (processor == PROCESSOR_LINEAR_TO_SRGB)
|
|
linearrgb_to_srgb_v4(pixel, pixel);
|
|
else if (processor == PROCESSOR_SRGB_TO_LINEAR)
|
|
srgb_to_linearrgb_v4(pixel, pixel);
|
|
}
|
|
|
|
void FallbackImpl::processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel)
|
|
{
|
|
if (pixel[3] == 1.0f || pixel[3] == 0.0f) {
|
|
processorApplyRGBA(processor, pixel);
|
|
}
|
|
else {
|
|
float alpha, inv_alpha;
|
|
|
|
alpha = pixel[3];
|
|
inv_alpha = 1.0f / alpha;
|
|
|
|
pixel[0] *= inv_alpha;
|
|
pixel[1] *= inv_alpha;
|
|
pixel[2] *= inv_alpha;
|
|
|
|
processorApplyRGBA(processor, pixel);
|
|
|
|
pixel[0] *= alpha;
|
|
pixel[1] *= alpha;
|
|
pixel[2] *= alpha;
|
|
}
|
|
}
|
|
|
|
void FallbackImpl::processorRelease(OCIO_ConstProcessorRcPtr *)
|
|
{
|
|
}
|
|
|
|
const char *FallbackImpl::colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs)
|
|
{
|
|
if (cs == COLORSPACE_LINEAR)
|
|
return "Linear";
|
|
else if (cs == COLORSPACE_SRGB)
|
|
return "sRGB";
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const char *FallbackImpl::colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *)
|
|
{
|
|
return "";
|
|
}
|
|
|
|
const char *FallbackImpl::colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *)
|
|
{
|
|
return "";
|
|
}
|
|
|
|
OCIO_DisplayTransformRcPtr *FallbackImpl::createDisplayTransform(void)
|
|
{
|
|
return (OCIO_DisplayTransformRcPtr*)PROCESSOR_LINEAR_TO_SRGB;
|
|
}
|
|
|
|
void FallbackImpl::displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *, const char *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *, const char *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::displayTransformSetView(OCIO_DisplayTransformRcPtr *, const char *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *, OCIO_ConstTransformRcPtr *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *, OCIO_ConstTransformRcPtr *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::displayTransformRelease(OCIO_DisplayTransformRcPtr *)
|
|
{
|
|
}
|
|
|
|
OCIO_PackedImageDesc *FallbackImpl::createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
|
|
long chanStrideBytes, long xStrideBytes, long yStrideBytes)
|
|
{
|
|
OCIO_PackedImageDescription *desc = (OCIO_PackedImageDescription*)MEM_callocN(sizeof(OCIO_PackedImageDescription), "OCIO_PackedImageDescription");
|
|
|
|
desc->data = data;
|
|
desc->width = width;
|
|
desc->height = height;
|
|
desc->numChannels = numChannels;
|
|
desc->chanStrideBytes = chanStrideBytes;
|
|
desc->xStrideBytes = xStrideBytes;
|
|
desc->yStrideBytes = yStrideBytes;
|
|
|
|
return (OCIO_PackedImageDesc*)desc;
|
|
}
|
|
|
|
void FallbackImpl::OCIO_PackedImageDescRelease(OCIO_PackedImageDesc* id)
|
|
{
|
|
MEM_freeN(id);
|
|
}
|
|
|
|
OCIO_ExponentTransformRcPtr *FallbackImpl::createExponentTransform(void)
|
|
{
|
|
return (OCIO_ExponentTransformRcPtr*)PROCESSOR_UNKNOWN;
|
|
}
|
|
|
|
void FallbackImpl::exponentTransformSetValue(OCIO_ExponentTransformRcPtr *, const float *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::exponentTransformRelease(OCIO_ExponentTransformRcPtr *)
|
|
{
|
|
}
|
|
|
|
OCIO_MatrixTransformRcPtr *FallbackImpl::createMatrixTransform(void)
|
|
{
|
|
return (OCIO_MatrixTransformRcPtr*)PROCESSOR_UNKNOWN;
|
|
}
|
|
|
|
void FallbackImpl::matrixTransformSetValue(OCIO_MatrixTransformRcPtr *, const float *, const float *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::matrixTransformRelease(OCIO_MatrixTransformRcPtr *)
|
|
{
|
|
}
|
|
|
|
void FallbackImpl::matrixTransformScale(float * , float * , const float *)
|
|
{
|
|
}
|