diff options
Diffstat (limited to 'src/quick/scenegraph/util/qsgtexture.cpp')
| -rw-r--r-- | src/quick/scenegraph/util/qsgtexture.cpp | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/src/quick/scenegraph/util/qsgtexture.cpp b/src/quick/scenegraph/util/qsgtexture.cpp index 69edfab379..4b3ff8bed5 100644 --- a/src/quick/scenegraph/util/qsgtexture.cpp +++ b/src/quick/scenegraph/util/qsgtexture.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtQuick module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, 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. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia 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. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -671,12 +663,28 @@ void QSGPlainTexture::bind() bindTime = qsg_renderer_timer.nsecsElapsed(); // ### TODO: check for out-of-memory situations... - int w = m_image.width(); - int h = m_image.height(); QImage tmp = (m_image.format() == QImage::Format_RGB32 || m_image.format() == QImage::Format_ARGB32_Premultiplied) ? m_image : m_image.convertToFormat(QImage::Format_ARGB32_Premultiplied); + + // Downscale the texture to fit inside the max texture limit if it is too big. + // It would be better if the image was already downscaled to the right size, + // but this information is not always available at that time, so as a last + // resort we can do it here. Texture coordinates are normalized, so it + // won't cause any problems and actual texture sizes will be written + // based on QSGTexture::textureSize which is updated after this, so that + // should be ok. + int max; + if (QSGRenderContext *rc = QSGRenderContext::from(context)) + max = rc->maxTextureSize(); + else + funcs->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max); + if (tmp.width() > max || tmp.height() > max) { + tmp = tmp.scaled(qMin(max, tmp.width()), qMin(max, tmp.height()), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); + m_texture_size = tmp.size(); + } + if (tmp.width() * 4 != tmp.bytesPerLine()) tmp = tmp.copy(); @@ -726,7 +734,7 @@ void QSGPlainTexture::bind() if (profileFrames) swizzleTime = qsg_renderer_timer.nsecsElapsed(); - funcs->glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, w, h, 0, externalFormat, GL_UNSIGNED_BYTE, tmp.constBits()); + funcs->glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, m_texture_size.width(), m_texture_size.height(), 0, externalFormat, GL_UNSIGNED_BYTE, tmp.constBits()); qint64 uploadTime = 0; if (profileFrames) @@ -741,7 +749,7 @@ void QSGPlainTexture::bind() if (profileFrames) { mipmapTime = qsg_renderer_timer.nsecsElapsed(); qCDebug(QSG_LOG_TIME_TEXTURE, - "plain texture uploaded in: %dms (%dx%d), bind=%d, convert=%d, swizzle=%d (%s->%s), upload=%d, mipmap=%d", + "plain texture uploaded in: %dms (%dx%d), bind=%d, convert=%d, swizzle=%d (%s->%s), upload=%d, mipmap=%d%s", int(mipmapTime / 1000000), m_texture_size.width(), m_texture_size.height(), int(bindTime / 1000000), @@ -750,7 +758,8 @@ void QSGPlainTexture::bind() (externalFormat == GL_BGRA ? "BGRA" : "RGBA"), (internalFormat == GL_BGRA ? "BGRA" : "RGBA"), int((uploadTime - swizzleTime)/1000000), - int((mipmapTime - uploadTime)/1000000)); + int((mipmapTime - uploadTime)/1000000), + m_texture_size != m_image.size() ? " (scaled to GL_MAX_TEXTURE_SIZE)" : ""); } Q_QUICK_SG_PROFILE(QQuickProfiler::SceneGraphTexturePrepare, ( @@ -760,7 +769,6 @@ void QSGPlainTexture::bind() uploadTime - swizzleTime, qsg_renderer_timer.nsecsElapsed() - uploadTime)); - m_texture_size = QSize(w, h); m_texture_rect = QRectF(0, 0, 1, 1); m_dirty_bind_options = false; |