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blender/intern/opencolorio/ocio_impl.h
Brecht Van Lommel 60ff60dcdc RenderEngine API: add viewport draw utility functions to bind a GLSL fragment 
shader for converting colors from linear to display space, based on the scene
color management settings.

if engine.support_display_space_shader(scene): # test graphics card support
	engine.bind_display_space_shader(scene)
	# draw pixels ..
	engine.unbind_display_space_shader()
2013-08-30 23:49:35 +00:00

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/*
* ***** 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): Sergey Sharybin
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __OCIO_IMPL_H__
#define __OCIO_IMPL_H__
#include "ocio_capi.h"
class IOCIOImpl {
public:
virtual ~IOCIOImpl() {}
virtual OCIO_ConstConfigRcPtr *getCurrentConfig(void) = 0;
virtual void setCurrentConfig(const OCIO_ConstConfigRcPtr *config) = 0;
virtual OCIO_ConstConfigRcPtr *configCreateFromEnv(void) = 0;
virtual OCIO_ConstConfigRcPtr *configCreateFromFile(const char* filename) = 0;
virtual void configRelease(OCIO_ConstConfigRcPtr *config) = 0;
virtual int configGetNumColorSpaces(OCIO_ConstConfigRcPtr *config) = 0;
virtual const char *configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *config, int index) = 0;
virtual OCIO_ConstColorSpaceRcPtr *configGetColorSpace(OCIO_ConstConfigRcPtr *config, const char *name) = 0;
virtual int configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name) = 0;
virtual int colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual int colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual void colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual const char *configGetDefaultDisplay(OCIO_ConstConfigRcPtr *config) = 0;
virtual int configGetNumDisplays(OCIO_ConstConfigRcPtr *config) = 0;
virtual const char *configGetDisplay(OCIO_ConstConfigRcPtr *config, int index) = 0;
virtual const char *configGetDefaultView(OCIO_ConstConfigRcPtr *config, const char *display) = 0;
virtual int configGetNumViews(OCIO_ConstConfigRcPtr *config, const char *display) = 0;
virtual const char *configGetView(OCIO_ConstConfigRcPtr *config, const char *display, int index) = 0;
virtual const char *configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *config, const char *display, const char *view) = 0;
virtual OCIO_ConstProcessorRcPtr *configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName) = 0;
virtual OCIO_ConstProcessorRcPtr *configGetProcessor(OCIO_ConstConfigRcPtr *config, OCIO_ConstTransformRcPtr *transform) = 0;
virtual void processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img) = 0;
virtual void processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img) = 0;
virtual void processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel) = 0;
virtual void processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel) = 0;
virtual void processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel) = 0;
virtual void processorRelease(OCIO_ConstProcessorRcPtr *p) = 0;
virtual const char *colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual const char *colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual const char *colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *cs) = 0;
virtual OCIO_DisplayTransformRcPtr *createDisplayTransform(void) = 0;
virtual void displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *dt, const char *name) = 0;
virtual void displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *dt, const char *name) = 0;
virtual void displayTransformSetView(OCIO_DisplayTransformRcPtr *dt, const char *name) = 0;
virtual void displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et) = 0;
virtual void displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et) = 0;
virtual void displayTransformRelease(OCIO_DisplayTransformRcPtr *dt) = 0;
virtual OCIO_PackedImageDesc *createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
long chanStrideBytes, long xStrideBytes, long yStrideBytes) = 0;
virtual void OCIO_PackedImageDescRelease(OCIO_PackedImageDesc *p) = 0;
virtual OCIO_ExponentTransformRcPtr *createExponentTransform(void) = 0;
virtual void exponentTransformSetValue(OCIO_ExponentTransformRcPtr *et, const float *exponent) = 0;
virtual void exponentTransformRelease(OCIO_ExponentTransformRcPtr *et) = 0;
virtual OCIO_MatrixTransformRcPtr *createMatrixTransform(void) = 0;
virtual void matrixTransformSetValue(OCIO_MatrixTransformRcPtr *et, const float *m44, const float *offset4) = 0;
virtual void matrixTransformRelease(OCIO_MatrixTransformRcPtr *mt) = 0;
virtual void matrixTransformScale(float * m44, float * offset4, const float * scale4) = 0;
virtual bool supportGLSLDraw(void) = 0;
virtual bool setupGLSLDraw(struct OCIO_GLSLDrawState **state_r, OCIO_ConstProcessorRcPtr *processor, bool predivide) = 0;
virtual void finishGLSLDraw(struct OCIO_GLSLDrawState *state) = 0;
virtual void freeGLState(struct OCIO_GLSLDrawState *state_r) = 0;
};
class FallbackImpl : public IOCIOImpl {
public:
FallbackImpl() {}
OCIO_ConstConfigRcPtr *getCurrentConfig(void);
void setCurrentConfig(const OCIO_ConstConfigRcPtr *config);
OCIO_ConstConfigRcPtr *configCreateFromEnv(void);
OCIO_ConstConfigRcPtr *configCreateFromFile(const char* filename);
void configRelease(OCIO_ConstConfigRcPtr *config);
int configGetNumColorSpaces(OCIO_ConstConfigRcPtr *config);
const char *configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *config, int index);
OCIO_ConstColorSpaceRcPtr *configGetColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
int configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
int colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs);
int colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs);
void colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs);
const char *configGetDefaultDisplay(OCIO_ConstConfigRcPtr *config);
int configGetNumDisplays(OCIO_ConstConfigRcPtr *config);
const char *configGetDisplay(OCIO_ConstConfigRcPtr *config, int index);
const char *configGetDefaultView(OCIO_ConstConfigRcPtr *config, const char *display);
int configGetNumViews(OCIO_ConstConfigRcPtr *config, const char *display);
const char *configGetView(OCIO_ConstConfigRcPtr *config, const char *display, int index);
const char *configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *config, const char *display, const char *view);
OCIO_ConstProcessorRcPtr *configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName);
OCIO_ConstProcessorRcPtr *configGetProcessor(OCIO_ConstConfigRcPtr *config, OCIO_ConstTransformRcPtr *transform);
void processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
void processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
void processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorRelease(OCIO_ConstProcessorRcPtr *p);
const char *colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs);
const char *colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *cs);
const char *colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *cs);
OCIO_DisplayTransformRcPtr *createDisplayTransform(void);
void displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetView(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
void displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
void displayTransformRelease(OCIO_DisplayTransformRcPtr *dt);
OCIO_PackedImageDesc *createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
long chanStrideBytes, long xStrideBytes, long yStrideBytes);
void OCIO_PackedImageDescRelease(OCIO_PackedImageDesc *p);
OCIO_ExponentTransformRcPtr *createExponentTransform(void);
void exponentTransformSetValue(OCIO_ExponentTransformRcPtr *et, const float *exponent);
void exponentTransformRelease(OCIO_ExponentTransformRcPtr *et);
OCIO_MatrixTransformRcPtr *createMatrixTransform(void);
void matrixTransformSetValue(OCIO_MatrixTransformRcPtr *et, const float *m44, const float *offset4);
void matrixTransformRelease(OCIO_MatrixTransformRcPtr *mt);
void matrixTransformScale(float * m44, float * offset4, const float * scale4);
bool supportGLSLDraw(void);
bool setupGLSLDraw(struct OCIO_GLSLDrawState **state_r, OCIO_ConstProcessorRcPtr *processor, bool predivide);
void finishGLSLDraw(struct OCIO_GLSLDrawState *state);
void freeGLState(struct OCIO_GLSLDrawState *state_r);
};
#ifdef WITH_OCIO
class OCIOImpl : public IOCIOImpl {
public:
OCIOImpl() {};
OCIO_ConstConfigRcPtr *getCurrentConfig(void);
void setCurrentConfig(const OCIO_ConstConfigRcPtr *config);
OCIO_ConstConfigRcPtr *configCreateFromEnv(void);
OCIO_ConstConfigRcPtr *configCreateFromFile(const char* filename);
void configRelease(OCIO_ConstConfigRcPtr *config);
int configGetNumColorSpaces(OCIO_ConstConfigRcPtr *config);
const char *configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *config, int index);
OCIO_ConstColorSpaceRcPtr *configGetColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
int configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
int colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs);
int colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs);
void colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs);
const char *configGetDefaultDisplay(OCIO_ConstConfigRcPtr *config);
int configGetNumDisplays(OCIO_ConstConfigRcPtr *config);
const char *configGetDisplay(OCIO_ConstConfigRcPtr *config, int index);
const char *configGetDefaultView(OCIO_ConstConfigRcPtr *config, const char *display);
int configGetNumViews(OCIO_ConstConfigRcPtr *config, const char *display);
const char *configGetView(OCIO_ConstConfigRcPtr *config, const char *display, int index);
const char *configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *config, const char *display, const char *view);
OCIO_ConstProcessorRcPtr *configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName);
OCIO_ConstProcessorRcPtr *configGetProcessor(OCIO_ConstConfigRcPtr *config, OCIO_ConstTransformRcPtr *transform);
void processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
void processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
void processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel);
void processorRelease(OCIO_ConstProcessorRcPtr *p);
const char *colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs);
const char *colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *cs);
const char *colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *cs);
OCIO_DisplayTransformRcPtr *createDisplayTransform(void);
void displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetView(OCIO_DisplayTransformRcPtr *dt, const char *name);
void displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
void displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
void displayTransformRelease(OCIO_DisplayTransformRcPtr *dt);
OCIO_PackedImageDesc *createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
long chanStrideBytes, long xStrideBytes, long yStrideBytes);
void OCIO_PackedImageDescRelease(OCIO_PackedImageDesc *p);
OCIO_ExponentTransformRcPtr *createExponentTransform(void);
void exponentTransformSetValue(OCIO_ExponentTransformRcPtr *et, const float *exponent);
void exponentTransformRelease(OCIO_ExponentTransformRcPtr *et);
OCIO_MatrixTransformRcPtr *createMatrixTransform(void);
void matrixTransformSetValue(OCIO_MatrixTransformRcPtr *et, const float *m44, const float *offset4);
void matrixTransformRelease(OCIO_MatrixTransformRcPtr *mt);
void matrixTransformScale(float * m44, float * offset4, const float * scale4);
bool supportGLSLDraw(void);
bool setupGLSLDraw(struct OCIO_GLSLDrawState **state_r, OCIO_ConstProcessorRcPtr *processor, bool predivide);
void finishGLSLDraw(struct OCIO_GLSLDrawState *state);
void freeGLState(struct OCIO_GLSLDrawState *state_r);
};
#endif
#endif /* OCIO_IMPL_H */
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