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PKGBUILDs/extra/krita/krita-opencolorio2.patch
David Beauchamp bf44641909 extra/krita to 4.4.8-3
2021-10-22 17:02:55 -04:00

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diff --git a/CMakeLists.txt b/CMakeLists.txt
index e06a3bd0ab..e02b1ad196 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -705,13 +705,13 @@ if (FFTW3_FOUND)
list (APPEND ANDROID_EXTRA_LIBS ${FFTW3_LIBRARY})
endif()
-find_package(OCIO)
-set_package_properties(OCIO PROPERTIES
+find_package(OpenColorIO)
+set_package_properties(OpenColorIO PROPERTIES
DESCRIPTION "The OpenColorIO Library"
URL "https://www.opencolorio.org"
TYPE OPTIONAL
PURPOSE "Required by the Krita LUT docker")
-macro_bool_to_01(OCIO_FOUND HAVE_OCIO)
+macro_bool_to_01(OpenColorIO_FOUND HAVE_OCIO)
set_package_properties(PythonLibrary PROPERTIES
DESCRIPTION "Python Library"
diff --git a/krita/data/shaders/highq_downscale.frag b/krita/data/shaders/highq_downscale.frag
index bb2a47c2a3..73c95ebfa8 100644
--- a/krita/data/shaders/highq_downscale.frag
+++ b/krita/data/shaders/highq_downscale.frag
@@ -3,10 +3,6 @@
*/
uniform sampler2D texture0;
-#ifdef USE_OCIO
-uniform sampler3D texture1;
-#endif
-
in vec4 v_textureCoordinate;
out vec4 fragColor;
@@ -119,7 +115,7 @@ void main() {
}
#ifdef USE_OCIO
- fragColor = OCIODisplay(col, texture1);
+ fragColor = OCIODisplay(col);
#else /* USE_OCIO */
fragColor = col;
#endif /* USE_OCIO */
diff --git a/libs/ui/canvas/kis_display_filter.h b/libs/ui/canvas/kis_display_filter.h
index a2ae5ab584..e96506d892 100644
--- a/libs/ui/canvas/kis_display_filter.h
+++ b/libs/ui/canvas/kis_display_filter.h
@@ -26,6 +26,9 @@
struct KisExposureGammaCorrectionInterface;
+class QOpenGLFunctions;
+class QOpenGLShaderProgram;
+
/**
* @brief The KisDisplayFilter class is the base class for filters that
* are applied by the canvas to the projection before displaying.
@@ -37,7 +40,7 @@ public:
explicit KisDisplayFilter(QObject *parent = 0);
virtual QString program() const = 0;
- virtual GLuint lutTexture() const = 0;
+ virtual void setupTextures(QOpenGLFunctions *f, QOpenGLShaderProgram *program) const = 0;
virtual void filter(quint8 *pixels, quint32 numPixels) = 0;
virtual void approximateInverseTransformation(quint8 *pixels, quint32 numPixels) = 0;
virtual void approximateForwardTransformation(quint8 *pixels, quint32 numPixels) = 0;
diff --git a/libs/ui/opengl/kis_opengl_canvas2.cpp b/libs/ui/opengl/kis_opengl_canvas2.cpp
index 69bd84000f..50acab76bf 100644
--- a/libs/ui/opengl/kis_opengl_canvas2.cpp
+++ b/libs/ui/opengl/kis_opengl_canvas2.cpp
@@ -947,9 +947,7 @@ void KisOpenGLCanvas2::drawImage(const QRect &updateRect)
}
if (d->displayFilter) {
- glActiveTexture(GL_TEXTURE0 + 1);
- glBindTexture(GL_TEXTURE_3D, d->displayFilter->lutTexture());
- d->displayShader->setUniformValue(d->displayShader->location(Uniform::Texture1), 1);
+ d->displayFilter->setupTextures(this, d->displayShader);
}
glActiveTexture(GL_TEXTURE0);
diff --git a/libs/ui/opengl/kis_opengl_shader_loader.cpp b/libs/ui/opengl/kis_opengl_shader_loader.cpp
index 8513617815..75a4f08ba3 100644
--- a/libs/ui/opengl/kis_opengl_shader_loader.cpp
+++ b/libs/ui/opengl/kis_opengl_shader_loader.cpp
@@ -150,6 +150,7 @@ KisShaderProgram *KisOpenGLShaderLoader::loadDisplayShader(QSharedPointer<KisDis
bool haveDisplayFilter = displayFilter && !displayFilter->program().isEmpty();
if (haveDisplayFilter) {
fragHeader.append("#define USE_OCIO\n");
+ fragHeader.append("#define USE_OCIO_V2\n");
fragHeader.append(displayFilter->program().toLatin1());
}
diff --git a/plugins/dockers/lut/CMakeLists.txt b/plugins/dockers/lut/CMakeLists.txt
index 01844be146..795c99162d 100644
--- a/plugins/dockers/lut/CMakeLists.txt
+++ b/plugins/dockers/lut/CMakeLists.txt
@@ -17,5 +17,5 @@ ki18n_wrap_ui(KRITA_LUTDOCKER_SOURCES
add_library(kritalutdocker MODULE ${KRITA_LUTDOCKER_SOURCES})
-target_link_libraries(kritalutdocker kritaui ${Boost_SYSTEM_LIBRARY} ${OCIO_LIBRARIES})
+target_link_libraries(kritalutdocker kritaui ${Boost_SYSTEM_LIBRARY} OpenColorIO::OpenColorIO)
install(TARGETS kritalutdocker DESTINATION ${KRITA_PLUGIN_INSTALL_DIR})
diff --git a/plugins/dockers/lut/lutdocker_dock.cpp b/plugins/dockers/lut/lutdocker_dock.cpp
index c7e68dce06..3c57144c9d 100644
--- a/plugins/dockers/lut/lutdocker_dock.cpp
+++ b/plugins/dockers/lut/lutdocker_dock.cpp
@@ -56,12 +56,12 @@
#include <KisSqueezedComboBox.h>
#include "kis_signals_blocker.h"
#include "krita_utils.h"
+#include <KisOcioConfiguration.h>
-#include "ocio_display_filter.h"
-#include "black_white_point_chooser.h"
-#include "KisOcioConfiguration.h"
#include <opengl/KisOpenGLModeProber.h>
+#include "black_white_point_chooser.h"
+
OCIO::ConstConfigRcPtr defaultRawProfile()
{
@@ -231,6 +231,8 @@ void LutDockerDock::slotUpdateIcons()
{
m_btnConvertCurrentColor->setIcon(KisIconUtils::loadIcon("krita_tool_freehand"));
m_btmShowBWConfiguration->setIcon(KisIconUtils::loadIcon("properties"));
+ m_lblOcioVersion->setText(OCIO_VERSION_FULL_STR);
+ m_lblOcioVersion->setEnabled(false);
}
void LutDockerDock::slotShowBWConfiguration()
diff --git a/plugins/dockers/lut/ocio_display_filter.cpp b/plugins/dockers/lut/ocio_display_filter.cpp
index 33afb01f1e..e429e3c2f4 100644
--- a/plugins/dockers/lut/ocio_display_filter.cpp
+++ b/plugins/dockers/lut/ocio_display_filter.cpp
@@ -1,38 +1,29 @@
/*
- * Copyright (c) 2012 Boudewijn Rempt <boud@valdyas.org>
+ * SPDX-FileCopyrightText: 2012 Boudewijn Rempt <boud@valdyas.org>
+ * SPDX-FileCopyrightText: 2021 L. E. Segovia <amy@amyspark.me>
*
- * 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.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
+
#include "ocio_display_filter.h"
-#include <math.h>
-#include <cstdlib>
+
+#include <QOpenGLContext>
+#include <QOpenGLExtraFunctions>
+#include <QOpenGLFunctions_2_0>
+#include <QOpenGLFunctions_3_0>
+#include <QOpenGLFunctions_3_2_Core>
+
#include <cmath>
-#include <cstdio>
#include <cstring>
-#include <iostream>
-#include <fstream>
-#include <sstream>
#include <kis_config.h>
-
+#include <kis_debug.h>
#include <opengl/kis_opengl.h>
-#include <QOpenGLContext>
-#include <QOpenGLFunctions_3_2_Core>
-#include <QOpenGLFunctions_3_0>
-#include <QOpenGLFunctions_2_0>
-#include <QOpenGLExtraFunctions>
+
+#if defined(QT_OPENGL_ES_2)
+#define GL_RGBA32F_ARB GL_RGBA32F_EXT
+#define GL_RGB32F_ARB GL_RGB32F_EXT
+#endif
OcioDisplayFilter::OcioDisplayFilter(KisExposureGammaCorrectionInterface *interface, QObject *parent)
: KisDisplayFilter(parent)
@@ -42,7 +33,8 @@ OcioDisplayFilter::OcioDisplayFilter(KisExposureGammaCorrectionInterface *interf
, look(0)
, swizzle(RGBA)
, m_interface(interface)
- , m_lut3dTexID(0)
+ , m_lut3dTexIDs()
+ , m_lut3dUniforms()
, m_shaderDirty(true)
{
}
@@ -51,7 +43,7 @@ OcioDisplayFilter::~OcioDisplayFilter()
{
}
-KisExposureGammaCorrectionInterface* OcioDisplayFilter::correctionInterface() const
+KisExposureGammaCorrectionInterface *OcioDisplayFilter::correctionInterface() const
{
return m_interface;
}
@@ -60,8 +52,8 @@ void OcioDisplayFilter::filter(quint8 *pixels, quint32 numPixels)
{
// processes that data _in_ place
if (m_processor) {
- OCIO::PackedImageDesc img(reinterpret_cast<float*>(pixels), numPixels, 1, 4);
- m_processor->apply(img);
+ OCIO::PackedImageDesc img(reinterpret_cast<float *>(pixels), numPixels, 1, 4);
+ m_processor->getDefaultCPUProcessor()->apply(img);
}
}
@@ -69,8 +61,8 @@ void OcioDisplayFilter::approximateInverseTransformation(quint8 *pixels, quint32
{
// processes that data _in_ place
if (m_revereseApproximationProcessor) {
- OCIO::PackedImageDesc img(reinterpret_cast<float*>(pixels), numPixels, 1, 4);
- m_revereseApproximationProcessor->apply(img);
+ OCIO::PackedImageDesc img(reinterpret_cast<float *>(pixels), numPixels, 1, 4);
+ m_revereseApproximationProcessor->getDefaultCPUProcessor()->apply(img);
}
}
@@ -78,8 +70,8 @@ void OcioDisplayFilter::approximateForwardTransformation(quint8 *pixels, quint32
{
// processes that data _in_ place
if (m_forwardApproximationProcessor) {
- OCIO::PackedImageDesc img(reinterpret_cast<float*>(pixels), numPixels, 1, 4);
- m_forwardApproximationProcessor->apply(img);
+ OCIO::PackedImageDesc img(reinterpret_cast<float *>(pixels), numPixels, 1, 4);
+ m_forwardApproximationProcessor->getDefaultCPUProcessor()->apply(img);
}
}
@@ -103,11 +95,6 @@ QString OcioDisplayFilter::program() const
return m_program;
}
-GLuint OcioDisplayFilter::lutTexture() const
-{
- return m_lut3dTexID;
-}
-
void OcioDisplayFilter::updateProcessor()
{
if (!config) {
@@ -126,18 +113,22 @@ void OcioDisplayFilter::updateProcessor()
inputColorSpaceName = config->getColorSpaceNameByIndex(0);
}
if (!look) {
- look = config->getLookNameByIndex(0);
+ look = config->getLookNameByIndex(0);
}
if (!displayDevice || !view || !inputColorSpaceName) {
return;
}
- OCIO::DisplayTransformRcPtr transform = OCIO::DisplayTransform::Create();
- transform->setInputColorSpaceName(inputColorSpaceName);
+ OCIO::DisplayViewTransformRcPtr transform = OCIO::DisplayViewTransform::Create();
+ transform->setSrc(inputColorSpaceName);
transform->setDisplay(displayDevice);
transform->setView(view);
+ OCIO::LegacyViewingPipelineRcPtr vpt = OCIO::LegacyViewingPipeline::Create();
+
+ vpt->setDisplayViewTransform(transform);
+
/**
* Look support:
* As the OCIO docs will tell you, looks are a aesthetic transform that is
@@ -155,36 +146,37 @@ void OcioDisplayFilter::updateProcessor()
* override is all we can offer.
*/
if (config->getLook(look)) {
- transform->setLooksOverride(look);
- transform->setLooksOverrideEnabled(true);
+ vpt->setLooksOverride(look);
+ vpt->setLooksOverrideEnabled(true);
}
OCIO::GroupTransformRcPtr approximateTransform = OCIO::GroupTransform::Create();
// fstop exposure control -- not sure how that translates to our exposure
{
- float exposureGain = powf(2.0f, exposure);
+ const double exposureGain = pow(2.0, exposure);
- const qreal minRange = 0.001;
+ const double minRange = 0.001;
if (qAbs(blackPoint - whitePoint) < minRange) {
whitePoint = blackPoint + minRange;
}
- const float oldMin[] = { blackPoint, blackPoint, blackPoint, 0.0f };
- const float oldMax[] = { whitePoint, whitePoint, whitePoint, 1.0f };
+ const double oldMin[] = {blackPoint, blackPoint, blackPoint, 0.0};
+ const double oldMax[] = {whitePoint, whitePoint, whitePoint, 1.0};
- const float newMin[] = { 0.0f, 0.0f, 0.0f, 0.0f };
- const float newMax[] = { exposureGain, exposureGain, exposureGain, 1.0f };
+ const double newMin[] = {0.0, 0.0, 0.0, 0.0};
+ const double newMax[] = {exposureGain, exposureGain, exposureGain, 1.0};
- float m44[16];
- float offset4[4];
+ double m44[16];
+ double offset4[4];
OCIO::MatrixTransform::Fit(m44, offset4, oldMin, oldMax, newMin, newMax);
- OCIO::MatrixTransformRcPtr mtx = OCIO::MatrixTransform::Create();
- mtx->setValue(m44, offset4);
- transform->setLinearCC(mtx);
+ OCIO::MatrixTransformRcPtr mtx = OCIO::MatrixTransform::Create();
+ mtx->setMatrix(m44);
+ mtx->setOffset(offset4);
+ vpt->setLinearCC(mtx);
// approximation (no color correction);
- approximateTransform->push_back(mtx);
+ approximateTransform->appendTransform(mtx);
}
// channel swizzle
@@ -226,32 +218,39 @@ void OcioDisplayFilter::updateProcessor()
channelHot[1] = 0;
channelHot[2] = 0;
channelHot[3] = 1;
- default:
- ;
+ default:;
}
- float lumacoef[3];
+ double lumacoef[3];
config->getDefaultLumaCoefs(lumacoef);
- float m44[16];
- float offset[4];
+ double m44[16];
+ double offset[4];
OCIO::MatrixTransform::View(m44, offset, channelHot, lumacoef);
OCIO::MatrixTransformRcPtr swizzleTransform = OCIO::MatrixTransform::Create();
- swizzleTransform->setValue(m44, offset);
- transform->setChannelView(swizzleTransform);
+ swizzleTransform->setMatrix(m44);
+ swizzleTransform->setOffset(offset);
+ vpt->setChannelView(swizzleTransform);
}
// Post-display transform gamma
{
- float exponent = 1.0f/std::max(1e-6f, static_cast<float>(gamma));
- const float exponent4f[] = { exponent, exponent, exponent, exponent };
- OCIO::ExponentTransformRcPtr expTransform = OCIO::ExponentTransform::Create();
+ double exponent = 1.0 / std::max(1e-6, gamma);
+ const double exponent4f[] = {exponent, exponent, exponent, exponent};
+ OCIO::ExponentTransformRcPtr expTransform = OCIO::ExponentTransform::Create();
expTransform->setValue(exponent4f);
- transform->setDisplayCC(expTransform);
+ vpt->setDisplayCC(expTransform);
// approximation (no color correction);
- approximateTransform->push_back(expTransform);
+ approximateTransform->appendTransform(expTransform);
}
- m_processor = config->getProcessor(transform);
+ try {
+ m_processor = vpt->getProcessor(config, config->getCurrentContext());
+ } catch (OCIO::Exception &e) {
+ // XXX: How to not break the OCIO shader now?
+ errKrita << "OCIO exception while parsing the current context:" << e.what();
+ m_shaderDirty = false;
+ return;
+ }
m_forwardApproximationProcessor = config->getProcessor(approximateTransform, OCIO::TRANSFORM_DIR_FORWARD);
@@ -259,7 +258,7 @@ void OcioDisplayFilter::updateProcessor()
m_revereseApproximationProcessor = config->getProcessor(approximateTransform, OCIO::TRANSFORM_DIR_INVERSE);
} catch (...) {
warnKrita << "OCIO inverted matrix does not exist!";
- //m_revereseApproximationProcessor;
+ // m_revereseApproximationProcessor;
}
m_shaderDirty = true;
@@ -272,16 +271,19 @@ bool OcioDisplayFilter::updateShader()
if (f) {
return updateShaderImpl(f);
}
+#if defined(QT_OPENGL_3)
} else if (KisOpenGL::hasOpenGL3()) {
QOpenGLFunctions_3_2_Core *f = QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_3_2_Core>();
if (f) {
return updateShaderImpl(f);
}
+#endif
}
// XXX This option can be removed once we move to Qt 5.7+
if (KisOpenGL::supportsLoD()) {
-#ifdef Q_OS_MAC
+#if defined(QT_OPENGL_3)
+#if defined(Q_OS_MAC) && defined(QT_OPENGL_3_2)
QOpenGLFunctions_3_2_Core *f = QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_3_2_Core>();
#else
QOpenGLFunctions_3_0 *f = QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_3_0>();
@@ -289,23 +291,29 @@ bool OcioDisplayFilter::updateShader()
if (f) {
return updateShaderImpl(f);
}
+#endif
}
- QOpenGLExtraFunctions *f = QOpenGLContext::currentContext()->extraFunctions();
+#if !defined(QT_OPENGL_ES_2)
+ QOpenGLFunctions_2_0 *f = QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_2_0>();
if (f) {
return updateShaderImpl(f);
}
+#endif
return false;
}
-template <class F>
-bool OcioDisplayFilter::updateShaderImpl(F *f) {
+template<class F>
+bool OcioDisplayFilter::updateShaderImpl(F *f)
+{
// check whether we are allowed to use shaders -- though that should
// work for everyone these days
KisConfig cfg(true);
- if (!cfg.useOpenGL()) return false;
+ if (!cfg.useOpenGL())
+ return false;
- if (!m_shaderDirty) return false;
+ if (!m_shaderDirty)
+ return false;
if (!f) {
qWarning() << "Failed to get valid OpenGL functions for OcioDisplayFilter!";
@@ -316,71 +324,272 @@ bool OcioDisplayFilter::updateShaderImpl(F *f) {
bool shouldRecompileShader = false;
- const int lut3DEdgeSize = cfg.ocioLutEdgeSize();
+ // Step 1: Create a GPU Shader Description
+ OCIO::GpuShaderDescRcPtr shaderDesc = OCIO::GpuShaderDesc::CreateShaderDesc();
- if (m_lut3d.size() == 0) {
- //dbgKrita << "generating lut";
- f->glGenTextures(1, &m_lut3dTexID);
+#if OCIO_VERSION_HEX >= 0x2010100 || OCIO_VERSION_HEX >= 0x2020000
+ if (KisOpenGL::supportsLoD()) {
+ shaderDesc->setLanguage(OCIO::GPU_LANGUAGE_GLSL_ES_3_0);
+ } else {
+ shaderDesc->setLanguage(OCIO::GPU_LANGUAGE_GLSL_ES_1_0);
+ }
+#else
+ if (KisOpenGL::supportsLoD()) {
+ shaderDesc->setLanguage(OCIO::GPU_LANGUAGE_GLSL_1_3);
+ } else {
+ shaderDesc->setLanguage(OCIO::GPU_LANGUAGE_GLSL_1_2);
+ }
+#endif
- int num3Dentries = 3 * lut3DEdgeSize * lut3DEdgeSize * lut3DEdgeSize;
- m_lut3d.fill(0.0, num3Dentries);
+ shaderDesc->setFunctionName("OCIODisplay");
+ shaderDesc->setResourcePrefix("ocio_");
- f->glActiveTexture(GL_TEXTURE1);
- f->glBindTexture(GL_TEXTURE_3D, m_lut3dTexID);
+ // Step 2: Compute the 3D LUT
+#if OCIO_VERSION_HEX >= 0x2010100 || OCIO_VERSION_HEX >= 0x2020000
+ // ensure the new GPU pipeline is used with our GLES3 patch
+ // this way users won't run into errors when using Angle along with OCIO
+ const auto gpu = m_processor->getOptimizedGPUProcessor(OCIO::OptimizationFlags::OPTIMIZATION_DEFAULT);
+#else
+ const int lut3DEdgeSize = cfg.ocioLutEdgeSize();
+ const auto gpu =
+ m_processor->getOptimizedLegacyGPUProcessor(OCIO::OptimizationFlags::OPTIMIZATION_DEFAULT, lut3DEdgeSize);
+#endif
- f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
- f->glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB16F_ARB,
- lut3DEdgeSize, lut3DEdgeSize, lut3DEdgeSize,
- 0, GL_RGB, GL_FLOAT, &m_lut3d.constData()[0]);
+ gpu->extractGpuShaderInfo(shaderDesc);
+
+ // OCIO v2 assumes you'll use the OglApp helpers
+ // these are unusable from a Qt backend, because they rely on GLUT/GLFW
+ // ociodisplay original pipeline:
+ // https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/508b3f4a0618435aeed2f45058208bdfa99e0887/src/apps/ociodisplay/main.cpp
+ // ociodisplay new pipeline is a single call:
+ // https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/ffddc3341f5775c7866fe2c93275e1d5e0b0540f/src/apps/ociodisplay/main.cpp#L427
+ // we need to replicate this loop:
+ // https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/dd59baf555656e09f52c3838e85ccf154497ec1d/src/libutils/oglapphelpers/oglapp.cpp#L191-L223
+ // calls functions from here:
+ // https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/dd59baf555656e09f52c3838e85ccf154497ec1d/src/libutils/oglapphelpers/glsl.cpp
+
+ for (const auto &tex : m_lut3dTexIDs) {
+ f->glDeleteTextures(1, &tex.m_uid);
}
- // Step 1: Create a GPU Shader Description
- OCIO::GpuShaderDesc shaderDesc;
+ m_lut3dTexIDs.clear();
- if (KisOpenGL::supportsLoD()) {
- shaderDesc.setLanguage(OCIO::GPU_LANGUAGE_GLSL_1_3);
- }
- else {
- shaderDesc.setLanguage(OCIO::GPU_LANGUAGE_GLSL_1_0);
+ // This is the first available index for the textures.
+ unsigned currIndex = 1;
+
+ // Process the 3D LUT first.
+
+ const unsigned maxTexture3D = shaderDesc->getNum3DTextures();
+ for (unsigned idx = 0; idx < maxTexture3D; ++idx) {
+ // 1. Get the information of the 3D LUT.
+
+ const char *textureName = nullptr;
+ const char *samplerName = nullptr;
+ unsigned edgelen = 0;
+ OCIO::Interpolation interpolation = OCIO::INTERP_LINEAR;
+ shaderDesc->get3DTexture(idx, textureName, samplerName, edgelen, interpolation);
+
+ if (!textureName || !*textureName || !samplerName || !*samplerName || edgelen == 0) {
+ errOpenGL << "The texture data is corrupted";
+ return false;
+ }
+
+ const float *values = nullptr;
+ shaderDesc->get3DTextureValues(idx, values);
+ if (!values) {
+ errOpenGL << "The texture values are missing";
+ return false;
+ }
+
+ // 2. Allocate the 3D LUT.
+
+ unsigned texId = 0;
+ {
+ if (values == nullptr) {
+ errOpenGL << "3D LUT" << idx << "Missing texture data";
+ return false;
+ }
+
+ f->glGenTextures(1, &texId);
+
+ f->glActiveTexture(GL_TEXTURE0 + currIndex);
+
+ f->glBindTexture(GL_TEXTURE_3D, texId);
+
+ {
+ if (interpolation == OCIO::INTERP_NEAREST) {
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ } else {
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ }
+
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ f->glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+ }
+
+ f->glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB32F_ARB, edgelen, edgelen, edgelen, 0, GL_RGB, GL_FLOAT, values);
+ }
+
+ // 3. Keep the texture id & name for the later enabling.
+
+ m_lut3dTexIDs.push_back({texId, textureName, samplerName, GL_TEXTURE_3D});
+
+ currIndex++;
}
+ // Process the 1D LUTs.
- shaderDesc.setFunctionName("OCIODisplay");
- shaderDesc.setLut3DEdgeLen(lut3DEdgeSize);
+ const unsigned maxTexture2D = shaderDesc->getNumTextures();
+ for (unsigned idx = 0; idx < maxTexture2D; ++idx) {
+ // 1. Get the information of the 1D LUT.
+ const char *textureName = nullptr;
+ const char *samplerName = nullptr;
+ unsigned width = 0;
+ unsigned height = 0;
+ OCIO::GpuShaderDesc::TextureType channel = OCIO::GpuShaderDesc::TEXTURE_RGB_CHANNEL;
+ OCIO::Interpolation interpolation = OCIO::INTERP_LINEAR;
+ shaderDesc->getTexture(idx, textureName, samplerName, width, height, channel, interpolation);
- // Step 2: Compute the 3D LUT
- QString lut3dCacheID = QString::fromLatin1(m_processor->getGpuLut3DCacheID(shaderDesc));
- if (lut3dCacheID != m_lut3dcacheid) {
- //dbgKrita << "Computing 3DLut " << m_lut3dcacheid;
- m_lut3dcacheid = lut3dCacheID;
- m_processor->getGpuLut3D(&m_lut3d[0], shaderDesc);
-
- f->glBindTexture(GL_TEXTURE_3D, m_lut3dTexID);
- f->glTexSubImage3D(GL_TEXTURE_3D, 0,
- 0, 0, 0,
- lut3DEdgeSize, lut3DEdgeSize, lut3DEdgeSize,
- GL_RGB, GL_FLOAT, &m_lut3d[0]);
+ if (!textureName || !*textureName || !samplerName || !*samplerName || width == 0) {
+ errOpenGL << "The texture data is corrupted";
+ return false;
+ }
+
+ const float *values = nullptr;
+ shaderDesc->getTextureValues(idx, values);
+ if (!values) {
+ errOpenGL << "The texture values are missing";
+ return false;
+ }
+
+ // 2. Allocate the 1D LUT (a 2D texture is needed to hold large LUTs).
+
+ unsigned texId = 0;
+ {
+ if (values == nullptr) {
+ errOpenGL << "1D LUT" << idx << "Missing texture data.";
+ return false;
+ }
+
+ unsigned internalformat = GL_RGB32F_ARB;
+ unsigned format = GL_RGB;
+
+ if (channel == OCIO::GpuShaderCreator::TEXTURE_RED_CHANNEL) {
+ internalformat = GL_R32F;
+ format = GL_RED;
+ }
+
+ f->glGenTextures(1, &texId);
+
+ f->glActiveTexture(GL_TEXTURE0 + currIndex);
+
+#if OCIO_VERSION_HEX >= 0x2010100 || OCIO_VERSION_HEX >= 0x2020000
+#else
+ // 1D Textures are unsupported by OpenGL ES.
+ // https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/1486
+ if (height > 1) {
+#endif
+ f->glBindTexture(GL_TEXTURE_2D, texId);
+
+ {
+ if (interpolation == OCIO::INTERP_NEAREST) {
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ } else {
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ }
+
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+ }
+
+ f->glTexImage2D(GL_TEXTURE_2D, 0, internalformat, width, height, 0, format, GL_FLOAT, values);
+#if OCIO_VERSION_HEX >= 0x2010100 || OCIO_VERSION_HEX >= 0x2020000
+#else
+ } else {
+ errOpenGL << "1D texture detected @" << idx << ", not supported by OpenGLES";
+ return false;
+ }
+#endif
+ }
+
+ // 3. Keep the texture id & name for the later enabling.
+
+ unsigned type = GL_TEXTURE_2D;
+ m_lut3dTexIDs.push_back({texId, textureName, samplerName, type});
+ currIndex++;
}
// Step 3: Generate the shader text
- QString shaderCacheID = QString::fromLatin1(m_processor->getGpuShaderTextCacheID(shaderDesc));
+ QString shaderCacheID = QString::fromLatin1(shaderDesc->getCacheID());
if (m_program.isEmpty() || shaderCacheID != m_shadercacheid) {
- //dbgKrita << "Computing Shader " << m_shadercacheid;
+ // dbgKrita << "Computing Shader " << m_shadercacheid;
m_shadercacheid = shaderCacheID;
- std::ostringstream os;
- os << m_processor->getGpuShaderText(shaderDesc) << "\n";
-
- m_program = QString::fromLatin1(os.str().c_str());
+ m_program = QString::fromLatin1("%1\n").arg(shaderDesc->getShaderText());
shouldRecompileShader = true;
}
+ // Step 4: mirror and bind uniforms
+ m_lut3dUniforms.clear();
+
+ const unsigned maxUniforms = shaderDesc->getNumUniforms();
+ for (unsigned idx = 0; idx < maxUniforms; ++idx) {
+ OCIO::GpuShaderDesc::UniformData data;
+ const char *name = shaderDesc->getUniform(idx, data);
+ if (data.m_type == OCIO::UNIFORM_UNKNOWN) {
+ errOpenGL << "Uniform" << idx << "has an unknown type";
+ return false;
+ }
+ // Transfer uniform.
+ m_lut3dUniforms.push_back({name, data});
+ }
+
m_shaderDirty = false;
return shouldRecompileShader;
}
+
+void OcioDisplayFilter::setupTextures(QOpenGLFunctions *f, QOpenGLShaderProgram *program) const
+{
+ for (unsigned int idx = 0; idx < m_lut3dTexIDs.size(); ++idx) {
+ const auto &data = m_lut3dTexIDs[idx];
+ f->glActiveTexture(GL_TEXTURE0 + 1 + idx);
+ f->glBindTexture(data.m_type, data.m_uid);
+ program->setUniformValue(program->uniformLocation(data.m_samplerName), GLint(1 + idx));
+ }
+
+ for (const KisTextureUniform &uniform : m_lut3dUniforms) {
+ const int m_handle = program->uniformLocation(uniform.m_name);
+
+ const OCIO::GpuShaderDesc::UniformData &m_data = uniform.m_data;
+
+ // Update value.
+ if (m_data.m_getDouble) {
+ program->setUniformValue(m_handle, static_cast<const GLfloat>(m_data.m_getDouble()));
+ } else if (m_data.m_getBool) {
+ program->setUniformValue(m_handle, static_cast<const GLfloat>(m_data.m_getBool() ? 1.0f : 0.0f));
+ } else if (m_data.m_getFloat3) {
+ program->setUniformValue(m_handle,
+ m_data.m_getFloat3()[0],
+ m_data.m_getFloat3()[1],
+ m_data.m_getFloat3()[2]);
+ } else if (m_data.m_vectorFloat.m_getSize && m_data.m_vectorFloat.m_getVector) {
+ program->setUniformValueArray(m_handle,
+ m_data.m_vectorFloat.m_getVector(),
+ m_data.m_vectorFloat.m_getSize(),
+ 1);
+ } else if (m_data.m_vectorInt.m_getSize && m_data.m_vectorInt.m_getVector) {
+ program->setUniformValueArray(m_handle, m_data.m_vectorInt.m_getVector(), m_data.m_vectorInt.m_getSize());
+ } else {
+ errOpenGL << "Uniform" << uniform.m_name << "is not linked to any value";
+ continue;
+ }
+ }
+}
diff --git a/plugins/dockers/lut/ocio_display_filter.h b/plugins/dockers/lut/ocio_display_filter.h
index 48d896a4c0..963fcf5f93 100644
--- a/plugins/dockers/lut/ocio_display_filter.h
+++ b/plugins/dockers/lut/ocio_display_filter.h
@@ -1,38 +1,56 @@
/*
- * Copyright (c) 2012 Boudewijn Rempt <boud@valdyas.org>
+ * SPDX-FileCopyrightText: 2012 Boudewijn Rempt <boud@valdyas.org>
+ * SPDX-FileCopyrightText: 2021 L. E. Segovia <amy@amyspark.me>
*
- * 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.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
+
#ifndef OCIO_DISPLAY_FILTER_H
#define OCIO_DISPLAY_FILTER_H
+#include <vector>
+
+#include <QOpenGLShaderProgram>
+
+#include <OpenColorIO.h>
+#include <OpenColorTransforms.h>
+#include <OpenColorTypes.h>
+
#include <kis_display_filter.h>
-#include <OpenColorIO/OpenColorIO.h>
-#include <OpenColorIO/OpenColorTransforms.h>
-#include <QVector>
-#include "kis_exposure_gamma_correction_interface.h"
+#include <kis_exposure_gamma_correction_interface.h>
namespace OCIO = OCIO_NAMESPACE;
-enum OCIO_CHANNEL_SWIZZLE {
- LUMINANCE,
- RGBA,
- R,
- G,
- B,
- A
+enum OCIO_CHANNEL_SWIZZLE { LUMINANCE, RGBA, R, G, B, A };
+
+struct KisTextureUniform {
+public:
+ KisTextureUniform(const QString &name, const OCIO::GpuShaderDesc::UniformData &data)
+ : m_name(name)
+ , m_data(data)
+ {
+ }
+
+ QString m_name;
+ OCIO::GpuShaderDesc::UniformData m_data;
+
+private:
+ KisTextureUniform() = delete;
+};
+
+struct KisTextureEntry {
+ unsigned m_uid = -1;
+ QString m_textureName;
+ QString m_samplerName;
+ unsigned m_type = -1;
+
+ KisTextureEntry(unsigned uid, const QString &textureName, const QString &samplerName, unsigned type)
+ : m_uid(uid)
+ , m_textureName(textureName)
+ , m_samplerName(samplerName)
+ , m_type(type)
+ {
+ }
};
class OcioDisplayFilter : public KisDisplayFilter
@@ -42,21 +60,23 @@ public:
explicit OcioDisplayFilter(KisExposureGammaCorrectionInterface *interface, QObject *parent = 0);
~OcioDisplayFilter();
- void filter(quint8 *pixels, quint32 numPixels);
- void approximateInverseTransformation(quint8 *pixels, quint32 numPixels);
- void approximateForwardTransformation(quint8 *pixels, quint32 numPixels);
- bool useInternalColorManagement() const;
- bool lockCurrentColorVisualRepresentation() const;
+ void filter(quint8 *pixels, quint32 numPixels) override;
+ void approximateInverseTransformation(quint8 *pixels, quint32 numPixels) override;
+ void approximateForwardTransformation(quint8 *pixels, quint32 numPixels) override;
+ bool useInternalColorManagement() const override;
+ bool lockCurrentColorVisualRepresentation() const override;
void setLockCurrentColorVisualRepresentation(bool value);
- bool updateShader();
- template <class F>
+ bool updateShader() override;
+
+ template<class F>
bool updateShaderImpl(F *f);
- KisExposureGammaCorrectionInterface *correctionInterface() const;
+ void setupTextures(QOpenGLFunctions *f, QOpenGLShaderProgram *program) const override;
- virtual QString program() const;
- GLuint lutTexture() const;
+ KisExposureGammaCorrectionInterface *correctionInterface() const override;
+
+ QString program() const override;
void updateProcessor();
@@ -67,14 +87,13 @@ public:
const char *view;
const char *look;
OCIO_CHANNEL_SWIZZLE swizzle;
- float exposure;
- float gamma;
- float blackPoint;
- float whitePoint;
+ double exposure;
+ double gamma;
+ double blackPoint;
+ double whitePoint;
bool forceInternalColorManagement;
private:
-
OCIO::ConstProcessorRcPtr m_processor;
OCIO::ConstProcessorRcPtr m_revereseApproximationProcessor;
OCIO::ConstProcessorRcPtr m_forwardApproximationProcessor;
@@ -84,10 +103,10 @@ private:
bool m_lockCurrentColorVisualRepresentation;
QString m_program;
- GLuint m_lut3dTexID;
- QVector<float> m_lut3d;
+ std::vector<KisTextureEntry> m_lut3dTexIDs;
QString m_lut3dcacheid;
QString m_shadercacheid;
+ std::vector<KisTextureUniform> m_lut3dUniforms;
bool m_shaderDirty;
};
diff --git a/plugins/dockers/lut/tests/CMakeLists.txt b/plugins/dockers/lut/tests/CMakeLists.txt
index 85cd5ecbc6..8891b8b683 100644
--- a/plugins/dockers/lut/tests/CMakeLists.txt
+++ b/plugins/dockers/lut/tests/CMakeLists.txt
@@ -11,5 +11,5 @@ krita_add_broken_unit_test(kis_ocio_display_filter_test.cpp
../ocio_display_filter.cpp
${CMAKE_SOURCE_DIR}/sdk/tests/stroke_testing_utils.cpp
TEST_NAME KisOcioDisplayFilterTest
- LINK_LIBRARIES kritaui ${OCIO_LIBRARIES} KF5::I18n Qt5::Test
+ LINK_LIBRARIES kritaui OpenColorIO::OpenColorIO KF5::I18n Qt5::Test
NAME_PREFIX "plugins-dockers-lut-")
diff --git a/plugins/dockers/lut/wdglut.ui b/plugins/dockers/lut/wdglut.ui
index 2ba3c2b073..403e5c26a3 100644
--- a/plugins/dockers/lut/wdglut.ui
+++ b/plugins/dockers/lut/wdglut.ui
@@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>357</width>
- <height>286</height>
+ <height>328</height>
</rect>
</property>
<layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,1">
@@ -338,7 +338,7 @@
</layout>
</item>
<item>
- <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0,0">
+ <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,1,0,0">
<property name="spacing">
<number>2</number>
</property>
@@ -348,6 +348,13 @@
<property name="rightMargin">
<number>2</number>
</property>
+ <item>
+ <widget class="QLabel" name="m_lblOcioVersion">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
diff --git a/cmake/modules/FindOpenColorIO.cmake b/cmake/modules/FindOpenColorIO.cmake
new file mode 100644
index 0000000000..2a9e9310b1
--- /dev/null
+++ b/cmake/modules/FindOpenColorIO.cmake
@@ -0,0 +1,104 @@
+# Module to find OpenColorIO
+#
+# This module will first look into the directories hinted by the variables:
+# - OpenColorIO_ROOT
+#
+# This module defines the following variables:
+#
+# OPENCOLORIO_FOUND - True if OpenColorIO was found.
+# OPENCOLORIO_INCLUDES - where to find OpenColorIO.h
+# OPENCOLORIO_LIBRARIES - list of libraries to link against when using OpenColorIO
+# OPENCOLORIO_DEFINITIONS - Definitions needed when using OpenColorIO
+#
+# SPDX-FileCopyrightText: 2008 Contributors to the OpenImageIO project
+# SPDX-FileCopyrightText: 2021 L. E. Segovia <amy@amyspark.me>
+# SPDX-License-Identifier: BSD-3-Clause
+
+include (FindPackageHandleStandardArgs)
+include (FindPackageMessage)
+
+find_path (OPENCOLORIO_INCLUDE_DIR
+ OpenColorIO.h
+ HINTS
+ ${OPENCOLORIO_INCLUDE_PATH}
+ ENV OPENCOLORIO_INCLUDE_PATH
+ PATHS
+ /sw/include
+ /opt/local/include
+ PATH_SUFFIXES OpenColorIO OpenColorIO1
+ DOC "The directory where OpenColorIO.h resides")
+
+if (EXISTS "${OPENCOLORIO_INCLUDE_DIR}/OpenColorABI.h")
+ # Search twice, because this symbol changed between OCIO 1.x and 2.x
+ file(STRINGS "${OPENCOLORIO_INCLUDE_DIR}/OpenColorABI.h" TMP
+ REGEX "^#define OCIO_VERSION_STR[ \t].*$")
+ if (NOT TMP)
+ file(STRINGS "${OPENCOLORIO_INCLUDE_DIR}/OpenColorABI.h" TMP
+ REGEX "^#define OCIO_VERSION[ \t].*$")
+ endif ()
+ string (REGEX MATCHALL "([0-9]+)\\.([0-9]+)\\.[0-9]+" OPENCOLORIO_VERSION ${TMP})
+ set (OPENCOLORIO_VERSION_MAJOR ${CMAKE_MATCH_1})
+ set (OPENCOLORIO_VERSION_MINOR ${CMAKE_MATCH_2})
+endif ()
+
+find_library (OPENCOLORIO_LIBRARY
+ NAMES
+ OpenColorIO
+ OpenColorIO_${OPENCOLORIO_VERSION_MAJOR}_${OPENCOLORIO_VERSION_MINOR}
+ OpenColorIO${OPENCOLORIO_VERSION_MAJOR}
+ HINTS
+ ${OPENCOLORIO_LIBRARY_PATH}
+ ENV OPENCOLORIO_LIBRARY_PATH
+ PATHS
+ /usr/lib64
+ /usr/local/lib64
+ /sw/lib
+ /opt/local/lib
+ DOC "The OCIO library")
+
+find_package_handle_standard_args (OpenColorIO
+ REQUIRED_VARS OPENCOLORIO_INCLUDE_DIR OPENCOLORIO_LIBRARY
+ FOUND_VAR OPENCOLORIO_FOUND
+ VERSION_VAR OPENCOLORIO_VERSION
+ )
+
+if (OpenColorIO_FOUND)
+ set (OPENCOLORIO_INCLUDES ${OPENCOLORIO_INCLUDE_DIR})
+ set (OPENCOLORIO_LIBRARIES ${OPENCOLORIO_LIBRARY})
+ set (OPENCOLORIO_DEFINITIONS "")
+ if (NOT TARGET OpenColorIO::OpenColorIO)
+ add_library(OpenColorIO::OpenColorIO UNKNOWN IMPORTED)
+ set_target_properties(OpenColorIO::OpenColorIO PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OPENCOLORIO_INCLUDES}")
+
+ set_property(TARGET OpenColorIO::OpenColorIO APPEND PROPERTY
+ IMPORTED_LOCATION "${OPENCOLORIO_LIBRARIES}")
+ if (LINKSTATIC)
+ target_compile_definitions(OpenColorIO::OpenColorIO
+ INTERFACE "-DOpenColorIO_STATIC")
+ endif()
+ endif ()
+ if (NOT TARGET OpenColorIO::OpenColorIOHeaders)
+ add_library(OpenColorIO::OpenColorIOHeaders INTERFACE IMPORTED)
+ set_target_properties(OpenColorIO::OpenColorIOHeaders PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OPENCOLORIO_INCLUDES}")
+ endif ()
+endif ()
+
+if (OpenColorIO_FOUND AND LINKSTATIC)
+ # Is this necessary?
+ set (OPENCOLORIO_DEFINITIONS "-DOpenColorIO_STATIC")
+ find_library (TINYXML_LIBRARY NAMES tinyxml)
+ if (TINYXML_LIBRARY)
+ set (OPENCOLORIO_LIBRARIES "${OPENCOLORIO_LIBRARIES};${TINYXML_LIBRARY}" CACHE STRING "" FORCE)
+ endif ()
+ find_library (YAML_LIBRARY NAMES yaml-cpp)
+ if (YAML_LIBRARY)
+ set (OPENCOLORIO_LIBRARIES "${OPENCOLORIO_LIBRARIES};${YAML_LIBRARY}" CACHE STRING "" FORCE)
+ endif ()
+ find_library (LCMS2_LIBRARY NAMES lcms2)
+ if (LCMS2_LIBRARY)
+ set (OPENCOLORIO_LIBRARIES "${OPENCOLORIO_LIBRARIES};${LCMS2_LIBRARY}" CACHE STRING "" FORCE)
+ endif ()
+endif ()
+
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