diff options
Diffstat (limited to 'krita/ui/kis_opengl_image_context.cc')
| -rw-r--r-- | krita/ui/kis_opengl_image_context.cc | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/krita/ui/kis_opengl_image_context.cc b/krita/ui/kis_opengl_image_context.cc deleted file mode 100644 index f60b7965..00000000 --- a/krita/ui/kis_opengl_image_context.cc +++ /dev/null @@ -1,371 +0,0 @@ -/* - * Copyright (c) 2005 Adrian Page <[email protected]> - * - * 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#ifdef HAVE_GL - -#include <kdebug.h> -#include <ksharedptr.h> - -#include "kis_global.h" -#include "kis_meta_registry.h" -#include "kis_colorspace_factory_registry.h" -#include "kis_image.h" -#include "kis_layer.h" -#include "kis_selection.h" -#include "kis_background.h" -#include "kis_opengl_canvas.h" -#include "kis_opengl_image_context.h" - -using namespace std; - -TQGLWidget *KisOpenGLImageContext::SharedContextWidget = 0; -int KisOpenGLImageContext::SharedContextWidgetRefCount = 0; - -KisOpenGLImageContext::ImageContextMap KisOpenGLImageContext::imageContextMap; - -KisOpenGLImageContext::KisOpenGLImageContext() -{ - m_image = 0; - m_monitorProfile = 0; - m_exposure = 0; -} - -KisOpenGLImageContext::~KisOpenGLImageContext() -{ - kdDebug(41001) << "Destroyed KisOpenGLImageContext\n"; - - --SharedContextWidgetRefCount; - kdDebug(41001) << "Shared context widget ref count now " << SharedContextWidgetRefCount << endl; - - if (SharedContextWidgetRefCount == 0) { - - kdDebug(41001) << "Deleting shared context widget\n"; - delete SharedContextWidget; - SharedContextWidget = 0; - } - - imageContextMap.erase(m_image); -} - -KisOpenGLImageContext::KisOpenGLImageContext(KisImageSP image, KisProfile *monitorProfile) -{ - kdDebug(41001) << "Created KisOpenGLImageContext\n"; - - m_image = image; - m_monitorProfile = monitorProfile; - m_exposure = 0; - m_displaySelection = true; - - if (SharedContextWidget == 0) { - kdDebug(41001) << "Creating shared context widget\n"; - - SharedContextWidget = new TQGLWidget(KisOpenGLCanvasFormat); - } - - ++SharedContextWidgetRefCount; - - kdDebug(41001) << "Shared context widget ref count now " << SharedContextWidgetRefCount << endl; - - SharedContextWidget->makeCurrent(); - glGenTextures(1, &m_backgroundTexture); - generateBackgroundTexture(); - - GLint max_texture_size; - - glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size); - - m_imageTextureTileWidth = TQMIN(PREFERRED_IMAGE_TEXTURE_WIDTH, max_texture_size); - m_imageTextureTileHeight = TQMIN(PREFERRED_IMAGE_TEXTURE_HEIGHT, max_texture_size); - - createImageTextureTiles(); - - connect(m_image, TQT_SIGNAL(sigImageUpdated(TQRect)), - TQT_SLOT(slotImageUpdated(TQRect))); - connect(m_image, TQT_SIGNAL(sigSizeChanged(TQ_INT32, TQ_INT32)), - TQT_SLOT(slotImageSizeChanged(TQ_INT32, TQ_INT32))); - - updateImageTextureTiles(m_image->bounds()); -} - -KisOpenGLImageContextSP KisOpenGLImageContext::getImageContext(KisImageSP image, KisProfile *monitorProfile) -{ - if (imageCanShareImageContext(image)) { - ImageContextMap::iterator it = imageContextMap.tqfind(image); - - if (it != imageContextMap.end()) { - - kdDebug(41001) << "Sharing image context from map\n"; - - KisOpenGLImageContextSP context = (*it).second; - context->setMonitorProfile(monitorProfile); - - return context; - } else { - KisOpenGLImageContext *imageContext = new KisOpenGLImageContext(image, monitorProfile); - imageContextMap[image] = imageContext; - - kdDebug(41001) << "Added shareable context to map\n"; - - return imageContext; - } - } else { - kdDebug(41001) << "Creating non-shareable image context\n"; - - return new KisOpenGLImageContext(image, monitorProfile); - } -} - -bool KisOpenGLImageContext::imageCanShareImageContext(KisImageSP image) -{ - if (image->colorSpace()->hasHighDynamicRange()) { - //XXX: and we don't have shaders... - return false; - } else { - return true; - } -} - -TQGLWidget *KisOpenGLImageContext::sharedContextWidget() const -{ - return SharedContextWidget; -} - -void KisOpenGLImageContext::updateImageTextureTiles(const TQRect& rect) -{ - //kdDebug() << "updateImageTextureTiles " << rect << endl; - - TQRect updateRect = rect & m_image->bounds(); - - if (!updateRect.isEmpty()) { - - SharedContextWidget->makeCurrent(); - - int firstColumn = updateRect.left() / m_imageTextureTileWidth; - int lastColumn = updateRect.right() / m_imageTextureTileWidth; - int firstRow = updateRect.top() / m_imageTextureTileHeight; - int lastRow = updateRect.bottom() / m_imageTextureTileHeight; - - for (int column = firstColumn; column <= lastColumn; column++) { - for (int row = firstRow; row <= lastRow; row++) { - - TQRect tileRect(column * m_imageTextureTileWidth, row * m_imageTextureTileHeight, - m_imageTextureTileWidth, m_imageTextureTileHeight); - - TQRect tileUpdateRect = tileRect & updateRect; - - glBindTexture(GL_TEXTURE_2D, imageTextureTile(tileRect.x(), tileRect.y())); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);//GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - TQImage tileUpdateImage = m_image->convertToTQImage(tileUpdateRect.left(), tileUpdateRect.top(), - tileUpdateRect.right(), tileUpdateRect.bottom(), - m_monitorProfile, m_exposure); - - if (m_displaySelection) { - if (m_image->activeLayer() != 0) { - m_image->activeLayer()->paintSelection(tileUpdateImage, - tileUpdateRect.x(), tileUpdateRect.y(), - tileUpdateRect.width(), tileUpdateRect.height()); - } - } - - if (tileUpdateRect.width() == m_imageTextureTileWidth && tileUpdateRect.height() == m_imageTextureTileHeight) { - - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_imageTextureTileWidth, m_imageTextureTileHeight, 0, - GL_BGRA, GL_UNSIGNED_BYTE, tileUpdateImage.bits()); - } else { - int xOffset = tileUpdateRect.x() - tileRect.x(); - int yOffset = tileUpdateRect.y() - tileRect.y(); - - glTexSubImage2D(GL_TEXTURE_2D, 0, xOffset, yOffset, tileUpdateRect.width(), tileUpdateRect.height(), - GL_BGRA, GL_UNSIGNED_BYTE, tileUpdateImage.bits()); - } - - GLenum error = glGetError (); - - if (error != GL_NO_ERROR) - { - kdDebug(41001) << "Error loading texture: " << endl; - } - } - } - } -} - -KisColorSpace* KisOpenGLImageContext::textureColorSpaceForImageColorSpace(KisColorSpace */*imageColorSpace*/) -{ - return KisMetaRegistry::instance()->csRegistry()->getColorSpace(KisID("RGBA", ""), ""); -} - -void KisOpenGLImageContext::setMonitorProfile(KisProfile *monitorProfile) -{ - if (monitorProfile != m_monitorProfile) { - m_monitorProfile = monitorProfile; - generateBackgroundTexture(); - updateImageTextureTiles(m_image->bounds()); - } -} - -void KisOpenGLImageContext::setHDRExposure(float exposure) -{ - if (exposure != m_exposure) { - m_exposure = exposure; - - if (m_image->colorSpace()->hasHighDynamicRange()) { - //XXX: and we are not using shaders... - updateImageTextureTiles(m_image->bounds()); - } - } -} - -void KisOpenGLImageContext::generateBackgroundTexture() -{ - SharedContextWidget->makeCurrent(); - - glBindTexture(GL_TEXTURE_2D, m_backgroundTexture); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - TQImage backgroundImage = m_image->background()->patternTile(); - - // XXX: temp. - Q_ASSERT(backgroundImage.width() == BACKGROUND_TEXTURE_WIDTH); - Q_ASSERT(backgroundImage.height() == BACKGROUND_TEXTURE_HEIGHT); - - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, BACKGROUND_TEXTURE_WIDTH, BACKGROUND_TEXTURE_HEIGHT, 0, - GL_BGRA, GL_UNSIGNED_BYTE, backgroundImage.bits()); -} - -GLuint KisOpenGLImageContext::backgroundTexture() const -{ - return m_backgroundTexture; -} - -int KisOpenGLImageContext::imageTextureTileIndex(int x, int y) const -{ - int column = x / m_imageTextureTileWidth; - int row = y / m_imageTextureTileHeight; - - return column + (row * m_numImageTextureTileColumns); -} - -GLuint KisOpenGLImageContext::imageTextureTile(int pixelX, int pixelY) const -{ - TQ_INT32 textureTileIndex = imageTextureTileIndex(pixelX, pixelY); - - textureTileIndex = CLAMP(textureTileIndex, 0, ((TQ_INT32)m_imageTextureTiles.count()) - 1); - - return m_imageTextureTiles[textureTileIndex]; -} - -int KisOpenGLImageContext::imageTextureTileWidth() const -{ - return m_imageTextureTileWidth; -} - -int KisOpenGLImageContext::imageTextureTileHeight() const -{ - return m_imageTextureTileHeight; -} - -void KisOpenGLImageContext::createImageTextureTiles() -{ - SharedContextWidget->makeCurrent(); - - destroyImageTextureTiles(); - - m_numImageTextureTileColumns = (m_image->width() + m_imageTextureTileWidth - 1) / m_imageTextureTileWidth; - int numImageTextureTileRows = (m_image->height() + m_imageTextureTileHeight - 1) / m_imageTextureTileHeight; - int numImageTextureTiles = m_numImageTextureTileColumns * numImageTextureTileRows; - - m_imageTextureTiles.resize(numImageTextureTiles); - glGenTextures(numImageTextureTiles, &(m_imageTextureTiles[0])); - - //XXX: will be float/half with shaders - #define RGBA_BYTES_PER_PIXEL 4 - - TQByteArray emptyTilePixelData(m_imageTextureTileWidth * m_imageTextureTileHeight * RGBA_BYTES_PER_PIXEL); - emptyTilePixelData.fill(0); - - for (int tileIndex = 0; tileIndex < numImageTextureTiles; ++tileIndex) { - - glBindTexture(GL_TEXTURE_2D, m_imageTextureTiles[tileIndex]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_imageTextureTileWidth, m_imageTextureTileHeight, 0, - GL_BGRA, GL_UNSIGNED_BYTE, &emptyTilePixelData[0]); - } -} - -void KisOpenGLImageContext::destroyImageTextureTiles() -{ - if (!m_imageTextureTiles.empty()) { - SharedContextWidget->makeCurrent(); - glDeleteTextures(m_imageTextureTiles.count(), &(m_imageTextureTiles[0])); - m_imageTextureTiles.clear(); - } -} - -void KisOpenGLImageContext::update(const TQRect& imageRect) -{ - updateImageTextureTiles(imageRect); -} - -void KisOpenGLImageContext::setSelectionDisplayEnabled(bool enable) -{ - m_displaySelection = enable; -} - -void KisOpenGLImageContext::slotImageUpdated(TQRect rc) -{ - TQRect r = rc & m_image->bounds(); - - updateImageTextureTiles(r); - emit sigImageUpdated(r); -} - -void KisOpenGLImageContext::slotImageSizeChanged(TQ_INT32 w, TQ_INT32 h) -{ - createImageTextureTiles(); - updateImageTextureTiles(m_image->bounds()); - - emit sigSizeChanged(w, h); -} - -#include "kis_opengl_image_context.moc" - -#endif // HAVE_GL - |