2dff7c01ad
Implemented using GLSL API from OpenColorIO library and some general functions were added to it's c-api: - OCIO_setupGLSLDraw prepares OpenGL context for GPU-based transformation for a giver processor. This function compiles and links shader, sets up it's argument. After this transformation would be applied on an image displaying as a 2D texture. So, glaDrawPixelsTex called after OCIO_setupGLSLDraw will do a proper color space transform. - OCIO_finishGLSLDraw restores OpenGL context after all color-managed display is over. - OCIO_freeOGLState frees allocated state structure used for cacheing some GLSL-related stuff. There're some utility functions in IMB_colormanagent which are basically proxies to lower level OCIO functions but which could be used from any place in blender. Chacheing of movie clip frame on GPU is also removed now, and either glaDrawPixelsTex or glaDrawPixelsAuto are used for display now. This is so no code duplication happens now and no large textures are lurking around in GPU memory. Known issues: - Texture buffer and GLSL are no longer checking for video card capabilities, possibly could lead to some artifacts on crappy drivers/cards. - Only float buffers are displaying using GLSL, byte buffers will still use fallback display method. This is to be addressed later. - If RGB curves are used as a part of display transform, GLSL display will also be disabled. This is also thing to be solved later. Additional changes: - glaDrawPixelsTexScaled will now use RGBA16F as an internal format of storing textures when it's used to draw float buffer. This is needed so LUT are applied without precision loss.
300 lines
7.6 KiB
C++
300 lines
7.6 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): Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "MEM_guardedalloc.h"
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#include "ocio_impl.h"
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static IOCIOImpl *impl = NULL;
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void OCIO_init(void)
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{
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#ifdef WITH_OCIO
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impl = new OCIOImpl();
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#else
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impl = new FallbackImpl();
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#endif
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}
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void OCIO_exit(void)
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{
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delete impl;
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impl = NULL;
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}
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OCIO_ConstConfigRcPtr *OCIO_getCurrentConfig(void)
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{
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return impl->getCurrentConfig();
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}
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OCIO_ConstConfigRcPtr *OCIO_configCreateFallback(void)
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{
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delete impl;
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impl = new FallbackImpl();
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return impl->getCurrentConfig();
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}
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void OCIO_setCurrentConfig(const OCIO_ConstConfigRcPtr *config)
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{
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impl->setCurrentConfig(config);
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}
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OCIO_ConstConfigRcPtr *OCIO_configCreateFromEnv(void)
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{
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return impl->configCreateFromEnv();
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}
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OCIO_ConstConfigRcPtr *OCIO_configCreateFromFile(const char *filename)
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{
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return impl->configCreateFromFile(filename);
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}
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void OCIO_configRelease(OCIO_ConstConfigRcPtr *config)
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{
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impl->configRelease(config);
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}
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int OCIO_configGetNumColorSpaces(OCIO_ConstConfigRcPtr *config)
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{
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return impl->configGetNumColorSpaces(config);
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}
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const char *OCIO_configGetColorSpaceNameByIndex(OCIO_ConstConfigRcPtr *config, int index)
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{
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return impl->configGetColorSpaceNameByIndex(config, index);
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}
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OCIO_ConstColorSpaceRcPtr *OCIO_configGetColorSpace(OCIO_ConstConfigRcPtr *config, const char *name)
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{
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return impl->configGetColorSpace(config, name);
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}
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int OCIO_configGetIndexForColorSpace(OCIO_ConstConfigRcPtr *config, const char *name)
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{
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return impl->configGetIndexForColorSpace(config, name);
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}
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const char *OCIO_configGetDefaultDisplay(OCIO_ConstConfigRcPtr *config)
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{
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return impl->configGetDefaultDisplay(config);
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}
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int OCIO_configGetNumDisplays(OCIO_ConstConfigRcPtr* config)
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{
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return impl->configGetNumDisplays(config);
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}
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const char *OCIO_configGetDisplay(OCIO_ConstConfigRcPtr *config, int index)
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{
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return impl->configGetDisplay(config, index);
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}
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const char *OCIO_configGetDefaultView(OCIO_ConstConfigRcPtr *config, const char *display)
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{
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return impl->configGetDefaultView(config, display);
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}
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int OCIO_configGetNumViews(OCIO_ConstConfigRcPtr *config, const char *display)
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{
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return impl->configGetNumViews(config, display);
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}
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const char *OCIO_configGetView(OCIO_ConstConfigRcPtr *config, const char *display, int index)
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{
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return impl->configGetView(config, display, index);
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}
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const char *OCIO_configGetDisplayColorSpaceName(OCIO_ConstConfigRcPtr *config, const char *display, const char *view)
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{
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return impl->configGetDisplayColorSpaceName(config, display, view);
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}
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int OCIO_colorSpaceIsInvertible(OCIO_ConstColorSpaceRcPtr *cs)
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{
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return impl->colorSpaceIsInvertible(cs);
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}
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int OCIO_colorSpaceIsData(OCIO_ConstColorSpaceRcPtr *cs)
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{
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return impl->colorSpaceIsData(cs);
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}
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void OCIO_colorSpaceRelease(OCIO_ConstColorSpaceRcPtr *cs)
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{
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impl->colorSpaceRelease(cs);
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}
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OCIO_ConstProcessorRcPtr *OCIO_configGetProcessorWithNames(OCIO_ConstConfigRcPtr *config, const char *srcName, const char *dstName)
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{
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return impl->configGetProcessorWithNames(config, srcName, dstName);
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}
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OCIO_ConstProcessorRcPtr *OCIO_configGetProcessor(OCIO_ConstConfigRcPtr *config, OCIO_ConstTransformRcPtr *transform)
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{
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return impl->configGetProcessor(config, transform);
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}
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void OCIO_processorApply(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
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{
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impl->processorApply(processor, img);
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}
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void OCIO_processorApply_predivide(OCIO_ConstProcessorRcPtr *processor, OCIO_PackedImageDesc *img)
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{
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impl->processorApply_predivide(processor, img);
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}
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void OCIO_processorApplyRGB(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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impl->processorApplyRGB(processor, pixel);
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}
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void OCIO_processorApplyRGBA(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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impl->processorApplyRGBA(processor, pixel);
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}
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void OCIO_processorApplyRGBA_predivide(OCIO_ConstProcessorRcPtr *processor, float *pixel)
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{
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impl->processorApplyRGBA_predivide(processor, pixel);
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}
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void OCIO_processorRelease(OCIO_ConstProcessorRcPtr *p)
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{
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impl->processorRelease(p);
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}
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const char *OCIO_colorSpaceGetName(OCIO_ConstColorSpaceRcPtr *cs)
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{
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return impl->colorSpaceGetName(cs);
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}
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const char *OCIO_colorSpaceGetDescription(OCIO_ConstColorSpaceRcPtr *cs)
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{
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return impl->colorSpaceGetDescription(cs);
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}
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const char *OCIO_colorSpaceGetFamily(OCIO_ConstColorSpaceRcPtr *cs)
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{
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return impl->colorSpaceGetFamily(cs);
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}
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OCIO_DisplayTransformRcPtr *OCIO_createDisplayTransform(void)
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{
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return impl->createDisplayTransform();
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}
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void OCIO_displayTransformSetInputColorSpaceName(OCIO_DisplayTransformRcPtr *dt, const char *name)
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{
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impl->displayTransformSetInputColorSpaceName(dt, name);
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}
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void OCIO_displayTransformSetDisplay(OCIO_DisplayTransformRcPtr *dt, const char *name)
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{
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impl->displayTransformSetDisplay(dt, name);
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}
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void OCIO_displayTransformSetView(OCIO_DisplayTransformRcPtr *dt, const char *name)
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{
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impl->displayTransformSetView(dt, name);
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}
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void OCIO_displayTransformSetDisplayCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *t)
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{
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impl->displayTransformSetDisplayCC(dt, t);
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}
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void OCIO_displayTransformSetLinearCC(OCIO_DisplayTransformRcPtr *dt, OCIO_ConstTransformRcPtr *t)
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{
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impl->displayTransformSetLinearCC(dt, t);
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}
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void OCIO_displayTransformRelease(OCIO_DisplayTransformRcPtr *dt)
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{
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impl->displayTransformRelease(dt);
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}
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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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{
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return impl->createOCIO_PackedImageDesc(data, width, height, numChannels, chanStrideBytes, xStrideBytes, yStrideBytes);
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}
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void OCIO_PackedImageDescRelease(OCIO_PackedImageDesc* id)
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{
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impl->OCIO_PackedImageDescRelease(id);
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}
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OCIO_ExponentTransformRcPtr *OCIO_createExponentTransform(void)
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{
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return impl->createExponentTransform();
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}
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void OCIO_exponentTransformSetValue(OCIO_ExponentTransformRcPtr *et, const float *exponent)
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{
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impl->exponentTransformSetValue(et, exponent);
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}
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void OCIO_exponentTransformRelease(OCIO_ExponentTransformRcPtr *et)
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{
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impl->exponentTransformRelease(et);
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}
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OCIO_MatrixTransformRcPtr *OCIO_createMatrixTransform(void)
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{
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return impl->createMatrixTransform();
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}
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void OCIO_matrixTransformSetValue(OCIO_MatrixTransformRcPtr *mt, const float *m44, const float *offset4)
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{
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impl->matrixTransformSetValue(mt, m44, offset4);
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}
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void OCIO_matrixTransformRelease(OCIO_MatrixTransformRcPtr *mt)
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{
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impl->matrixTransformRelease(mt);
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}
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void OCIO_matrixTransformScale(float * m44, float * offset4, const float *scale4f)
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{
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impl->matrixTransformScale(m44, offset4, scale4f);
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}
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void OCIO_setupGLSLDraw(struct OCIO_GLSLDrawState **state_r, OCIO_ConstProcessorRcPtr *processor)
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{
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impl->setupGLSLDraw(state_r, processor);
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}
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void OCIO_finishGLSLDraw(struct OCIO_GLSLDrawState *state)
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{
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impl->finishGLSLDraw(state);
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}
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void OCIO_freeOGLState(struct OCIO_GLSLDrawState *state)
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{
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impl->freeGLState(state);
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}
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