forked from bartvdbraak/blender
9c49e71216
- GLSL shader wasn't aware of alpha predivide option, always assuming alpha is straight. Gave wrong results when displaying transparent float buffers. - GLSL display wasn't aware of float buffers with number of channels different from 4, crashing when trying to display image with different number of channels. This required a bit larger changes, namely now it's possible to pass format (GL_RGB, GL_RGBAm GL_LUMINANCE) to glaDrawPixelsTex, This also implied adding format to glaDrawPixelsAuto and modifying all places where this functions are called. Now GLSL will handle both 3 and 4 channels buffers, single channel images are handled by CPU. - Replaced hack for render result displaying with a bit different hack. Namely CPU conversion will happen only during render, once render is done GLSL would be used for displaying render result on a screen. This is so because of the way renderer updates parts of the image -- it happens without respect to active render layer in image user. This is harmless because only display buffer is modifying, but this is tricky because we don't have original buffer opened during rendering. One more related fix here was about when rendering multiple layers, wrong image would be displaying when rendering is done. Added a signal to invalidate display buffer once rendering is done (only happens when using multiple layers). This solves issue with wrong buffer stuck on the display when using regular CPU display space transform and if GLSL is available it'll make image displayed with a GLSL shader. - As an additional change, byte buffers now also uses GLSL display transform. So now only dutehr and RGB curves are stoppers for using GLSL for all kind of display transforms.
133 lines
6.0 KiB
C
133 lines
6.0 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): Xavier Thomas
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* Lukas Toene
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* Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __OCIO_CAPI_H__
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#define __OCIO_CAPI_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct OCIO_GLSLDrawState;
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#define OCIO_DECLARE_HANDLE(name) typedef struct name##__ { int unused; } *name
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#define OCIO_ROLE_SCENE_LINEAR "scene_linear"
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#define OCIO_ROLE_COLOR_PICKING "color_picking"
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#define OCIO_ROLE_TEXTURE_PAINT "texture_paint"
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#define OCIO_ROLE_DEFAULT_BYTE "default_byte"
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#define OCIO_ROLE_DEFAULT_FLOAT "default_float"
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#define OCIO_ROLE_DEFAULT_SEQUENCER "default_sequencer"
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OCIO_DECLARE_HANDLE(OCIO_ConstConfigRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_ConstColorSpaceRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_ConstProcessorRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_ConstContextRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_PackedImageDesc);
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OCIO_DECLARE_HANDLE(OCIO_DisplayTransformRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_ConstTransformRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_ExponentTransformRcPtr);
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OCIO_DECLARE_HANDLE(OCIO_MatrixTransformRcPtr);
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void OCIO_init(void);
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void OCIO_exit(void);
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OCIO_ConstConfigRcPtr *OCIO_getCurrentConfig(void);
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void OCIO_setCurrentConfig(const OCIO_ConstConfigRcPtr *config);
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OCIO_ConstConfigRcPtr *OCIO_configCreateFromEnv(void);
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OCIO_ConstConfigRcPtr *OCIO_configCreateFromFile(const char* filename);
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OCIO_ConstConfigRcPtr *OCIO_configCreateFallback(void);
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void OCIO_configRelease(OCIO_ConstConfigRcPtr *config);
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int OCIO_configGetNumColorSpaces(OCIO_ConstConfigRcPtr *config);
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const char *OCIO_configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *config, int index);
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OCIO_ConstColorSpaceRcPtr *OCIO_configGetColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
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int OCIO_configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name);
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int OCIO_colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs);
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int OCIO_colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs);
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void OCIO_colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs);
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const char *OCIO_configGetDefaultDisplay(OCIO_ConstConfigRcPtr *config);
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int OCIO_configGetNumDisplays(OCIO_ConstConfigRcPtr *config);
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const char *OCIO_configGetDisplay(OCIO_ConstConfigRcPtr *config, int index);
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const char *OCIO_configGetDefaultView(OCIO_ConstConfigRcPtr *config, const char *display);
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int OCIO_configGetNumViews(OCIO_ConstConfigRcPtr *config, const char *display);
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const char *OCIO_configGetView(OCIO_ConstConfigRcPtr *config, const char *display, int index);
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const char *OCIO_configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *config, const char *display, const char *view);
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OCIO_ConstProcessorRcPtr *OCIO_configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName);
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OCIO_ConstProcessorRcPtr *OCIO_configGetProcessor(OCIO_ConstConfigRcPtr *config, OCIO_ConstTransformRcPtr *transform);
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void OCIO_processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
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void OCIO_processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img);
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void OCIO_processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel);
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void OCIO_processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel);
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void OCIO_processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel);
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void OCIO_processorRelease(OCIO_ConstProcessorRcPtr *p);
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const char *OCIO_colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs);
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const char *OCIO_colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *cs);
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const char *OCIO_colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *cs);
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OCIO_DisplayTransformRcPtr *OCIO_createDisplayTransform(void);
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void OCIO_displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *dt, const char *name);
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void OCIO_displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *dt, const char *name);
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void OCIO_displayTransformSetView(OCIO_DisplayTransformRcPtr *dt, const char *name);
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void OCIO_displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
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void OCIO_displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *et);
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void OCIO_displayTransformRelease(OCIO_DisplayTransformRcPtr *dt);
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OCIO_PackedImageDesc *OCIO_createOCIO_PackedImageDesc(float *data, long width, long height, long numChannels,
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long chanStrideBytes, long xStrideBytes, long yStrideBytes);
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void OCIO_PackedImageDescRelease(OCIO_PackedImageDesc *p);
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OCIO_ExponentTransformRcPtr *OCIO_createExponentTransform(void);
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void OCIO_exponentTransformSetValue(OCIO_ExponentTransformRcPtr *et, const float *exponent);
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void OCIO_exponentTransformRelease(OCIO_ExponentTransformRcPtr *et);
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OCIO_MatrixTransformRcPtr *OCIO_createMatrixTransform(void);
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void OCIO_matrixTransformSetValue(OCIO_MatrixTransformRcPtr *et, const float *m44, const float *offset4);
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void OCIO_matrixTransformRelease(OCIO_MatrixTransformRcPtr *mt);
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void OCIO_matrixTransformScale(float * m44, float * offset4, const float * scale4);
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int OCIO_setupGLSLDraw(struct OCIO_GLSLDrawState **state_r, OCIO_ConstProcessorRcPtr *processor, int predivide);
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void OCIO_finishGLSLDraw(struct OCIO_GLSLDrawState *state);
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void OCIO_freeOGLState(struct OCIO_GLSLDrawState *state);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OCIO_CAPI_H */
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