| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** This file may be used under the terms of the GNU Lesser General Public |
| ** License version 2.1 as published by the Free Software Foundation and |
| ** appearing in the file LICENSE.LGPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU Lesser |
| ** General Public License version 2.1 requirements will be met: |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** In addition, as a special exception, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qmeegopixmapdata.h" |
| #include "qmeegoextensions.h" |
| #include "qmeegorasterpixmapdata.h" |
| #include <private/qimage_p.h> |
| #include <private/qwindowsurface_gl_p.h> |
| #include <private/qeglcontext_p.h> |
| #include <private/qapplication_p.h> |
| #include <private/qgraphicssystem_runtime_p.h> |
| |
| // from dithering.cpp |
| extern unsigned short* convertRGB32_to_RGB565(const unsigned char *in, int width, int height, int stride); |
| extern unsigned short* convertARGB32_to_RGBA4444(const unsigned char *in, int width, int height, int stride); |
| extern unsigned char* convertBGRA32_to_RGBA32(const unsigned char *in, int width, int height, int stride); |
| |
| static EGLint preserved_image_attribs[] = { EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE }; |
| |
| QHash <void*, QMeeGoImageInfo*> QMeeGoPixmapData::sharedImagesMap; |
| |
| /* Public */ |
| |
| QMeeGoPixmapData::QMeeGoPixmapData() : QGLPixmapData(QPixmapData::PixmapType) |
| { |
| } |
| |
| void QMeeGoPixmapData::fromTexture(GLuint textureId, int w, int h, bool alpha) |
| { |
| resize(w, h); |
| texture()->id = textureId; |
| m_hasAlpha = alpha; |
| softImage = QImage(); |
| } |
| |
| QImage QMeeGoPixmapData::toImage() const |
| { |
| return softImage; |
| } |
| |
| void QMeeGoPixmapData::fromImage(const QImage &image, |
| Qt::ImageConversionFlags flags) |
| { |
| void *rawResource = static_cast <void *> (((QImage &) image).data_ptr()->data); |
| |
| if (sharedImagesMap.contains(rawResource)) { |
| QMeeGoImageInfo *info = sharedImagesMap.value(rawResource); |
| fromEGLSharedImage(info->handle, image); |
| } else { |
| // This should *never* happen since the graphics system should never |
| // create a QMeeGoPixmapData for an origin that doesn't contain a raster |
| // image we know about. But... |
| qWarning("QMeeGoPixmapData::fromImage called on non-know resource. Falling back..."); |
| QGLPixmapData::fromImage(image, flags); |
| } |
| } |
| |
| void QMeeGoPixmapData::fromEGLSharedImage(Qt::HANDLE handle, const QImage &si) |
| { |
| if (si.isNull()) |
| qFatal("Trying to build pixmap with an empty/null softimage!"); |
| |
| QGLShareContextScope ctx(qt_gl_share_widget()->context()); |
| |
| QMeeGoExtensions::ensureInitialized(); |
| |
| bool textureIsBound = false; |
| GLuint newTextureId; |
| GLint newWidth, newHeight; |
| |
| glGenTextures(1, &newTextureId); |
| glBindTexture(GL_TEXTURE_2D, newTextureId); |
| |
| EGLImageKHR image = QEgl::eglCreateImageKHR(QEgl::display(), EGL_NO_CONTEXT, EGL_SHARED_IMAGE_NOK, |
| (EGLClientBuffer)handle, preserved_image_attribs); |
| |
| if (image != EGL_NO_IMAGE_KHR) { |
| glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image); |
| GLint err = glGetError(); |
| if (err == GL_NO_ERROR) |
| textureIsBound = true; |
| |
| QMeeGoExtensions::eglQueryImageNOK(QEgl::display(), image, EGL_WIDTH, &newWidth); |
| QMeeGoExtensions::eglQueryImageNOK(QEgl::display(), image, EGL_HEIGHT, &newHeight); |
| |
| QEgl::eglDestroyImageKHR(QEgl::display(), image); |
| } |
| |
| if (textureIsBound) { |
| fromTexture(newTextureId, newWidth, newHeight, |
| (si.hasAlphaChannel() && const_cast<QImage &>(si).data_ptr()->checkForAlphaPixels())); |
| texture()->options &= ~QGLContext::InvertedYBindOption; |
| softImage = si; |
| QMeeGoPixmapData::registerSharedImage(handle, softImage); |
| } else { |
| qWarning("Failed to create a texture from a shared image!"); |
| glDeleteTextures(1, &newTextureId); |
| } |
| } |
| |
| Qt::HANDLE QMeeGoPixmapData::imageToEGLSharedImage(const QImage &image) |
| { |
| QGLShareContextScope ctx(qt_gl_share_widget()->context()); |
| |
| QMeeGoExtensions::ensureInitialized(); |
| |
| GLuint textureId; |
| |
| glGenTextures(1, &textureId); |
| glBindTexture(GL_TEXTURE_2D, textureId); |
| if (image.hasAlphaChannel() && const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels()) { |
| void *converted = convertBGRA32_to_RGBA32(image.bits(), image.width(), image.height(), image.bytesPerLine()); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image.width(), image.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, converted); |
| free(converted); |
| } else { |
| void *converted = convertRGB32_to_RGB565(image.bits(), image.width(), image.height(), image.bytesPerLine()); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, image.width(), image.height(), 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, converted); |
| free(converted); |
| } |
| |
| glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| |
| glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| |
| EGLImageKHR eglimage = QEgl::eglCreateImageKHR(QEgl::display(), QEglContext::currentContext(QEgl::OpenGL)->context(), |
| EGL_GL_TEXTURE_2D_KHR, |
| (EGLClientBuffer) textureId, |
| preserved_image_attribs); |
| glDeleteTextures(1, &textureId); |
| if (eglimage) { |
| EGLNativeSharedImageTypeNOK handle = QMeeGoExtensions::eglCreateSharedImageNOK(QEgl::display(), eglimage, NULL); |
| QEgl::eglDestroyImageKHR(QEgl::display(), eglimage); |
| return (Qt::HANDLE) handle; |
| } else { |
| qWarning("Failed to create shared image from pixmap/texture!"); |
| return 0; |
| } |
| } |
| |
| void QMeeGoPixmapData::updateFromSoftImage() |
| { |
| // FIXME That's broken with recent 16bit textures changes. |
| m_dirty = true; |
| m_source = softImage; |
| ensureCreated(); |
| |
| if (softImage.width() != w || softImage.height() != h) |
| qWarning("Ooops, looks like softImage changed dimensions since last updated! Corruption ahead?!"); |
| } |
| |
| bool QMeeGoPixmapData::destroyEGLSharedImage(Qt::HANDLE h) |
| { |
| QGLShareContextScope ctx(qt_gl_share_widget()->context()); |
| QMeeGoExtensions::ensureInitialized(); |
| |
| QMutableHashIterator <void*, QMeeGoImageInfo*> i(sharedImagesMap); |
| while (i.hasNext()) { |
| i.next(); |
| if (i.value()->handle == h) |
| i.remove(); |
| } |
| |
| return QMeeGoExtensions::eglDestroySharedImageNOK(QEgl::display(), (EGLNativeSharedImageTypeNOK) h); |
| } |
| |
| void QMeeGoPixmapData::registerSharedImage(Qt::HANDLE handle, const QImage &si) |
| { |
| void *raw = static_cast <void *> (((QImage) si).data_ptr()->data); |
| QMeeGoImageInfo *info; |
| |
| if (! sharedImagesMap.contains(raw)) { |
| info = new QMeeGoImageInfo; |
| info->handle = handle; |
| info->rawFormat = si.format(); |
| sharedImagesMap.insert(raw, info); |
| } else { |
| info = sharedImagesMap.value(raw); |
| if (info->handle != handle || info->rawFormat != si.format()) |
| qWarning("Inconsistency detected: overwriting entry in sharedImagesMap but handle/format different"); |
| } |
| } |
| |
| QPixmapData *QMeeGoPixmapData::createCompatiblePixmapData() const |
| { |
| return new QMeeGoRasterPixmapData(pixelType()); |
| } |