diff options
Diffstat (limited to 'src/gui/opengl/qopengltextureuploader.cpp')
| -rw-r--r-- | src/gui/opengl/qopengltextureuploader.cpp | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/src/gui/opengl/qopengltextureuploader.cpp b/src/gui/opengl/qopengltextureuploader.cpp deleted file mode 100644 index 9e393bc47a..0000000000 --- a/src/gui/opengl/qopengltextureuploader.cpp +++ /dev/null @@ -1,381 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qopengltextureuploader_p.h" - -#include <qimage.h> -#include <qmath.h> -#include <qopenglfunctions.h> -#include <private/qopenglcontext_p.h> -#include <private/qopenglextensions_p.h> - -#ifndef GL_RED -#define GL_RED 0x1903 -#endif - -#ifndef GL_GREEN -#define GL_GREEN 0x1904 -#endif - -#ifndef GL_BLUE -#define GL_BLUE 0x1905 -#endif - -#ifndef GL_RGB10_A2 -#define GL_RGB10_A2 0x8059 -#endif - -#ifndef GL_RGBA16 -#define GL_RGBA16 0x805B -#endif - -#ifndef GL_BGR -#define GL_BGR 0x80E0 -#endif - -#ifndef GL_BGRA -#define GL_BGRA 0x80E1 -#endif - -#ifndef GL_UNSIGNED_INT_8_8_8_8_REV -#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 -#endif - -#ifndef GL_UNSIGNED_INT_2_10_10_10_REV -#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 -#endif - -#ifndef GL_TEXTURE_SWIZZLE_R -#define GL_TEXTURE_SWIZZLE_R 0x8E42 -#endif - -#ifndef GL_TEXTURE_SWIZZLE_G -#define GL_TEXTURE_SWIZZLE_G 0x8E43 -#endif - -#ifndef GL_TEXTURE_SWIZZLE_B -#define GL_TEXTURE_SWIZZLE_B 0x8E44 -#endif - -#ifndef GL_TEXTURE_SWIZZLE_A -#define GL_TEXTURE_SWIZZLE_A 0x8E45 -#endif - -#ifndef GL_SRGB -#define GL_SRGB 0x8C40 -#endif -#ifndef GL_SRGB_ALPHA -#define GL_SRGB_ALPHA 0x8C42 -#endif - -QT_BEGIN_NAMESPACE - -qsizetype QOpenGLTextureUploader::textureImage(GLenum target, const QImage &image, QOpenGLTextureUploader::BindOptions options, QSize maxSize) -{ - QOpenGLContext *context = QOpenGLContext::currentContext(); - QOpenGLExtensions *funcs = static_cast<QOpenGLExtensions*>(context->functions()); - - QImage tx; - GLenum externalFormat; - GLenum internalFormat; - GLuint pixelType; - QImage::Format targetFormat = QImage::Format_Invalid; - const bool isOpenGL12orBetter = !context->isOpenGLES() && (context->format().majorVersion() >= 2 || context->format().minorVersion() >= 2); - const bool isOpenGLES3orBetter = context->isOpenGLES() && context->format().majorVersion() >= 3; - const bool sRgbBinding = (options & SRgbBindOption); - Q_ASSERT(isOpenGL12orBetter || context->isOpenGLES()); - Q_ASSERT((options & (SRgbBindOption | UseRedForAlphaAndLuminanceBindOption)) != (SRgbBindOption | UseRedForAlphaAndLuminanceBindOption)); - - switch (image.format()) { - case QImage::Format_RGB32: - case QImage::Format_ARGB32: - case QImage::Format_ARGB32_Premultiplied: - if (isOpenGL12orBetter) { - externalFormat = GL_BGRA; - internalFormat = GL_RGBA; - pixelType = GL_UNSIGNED_INT_8_8_8_8_REV; -#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN - // Without GL_UNSIGNED_INT_8_8_8_8_REV, BGRA only matches ARGB on little endian: - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::BGRATextureFormat) && !sRgbBinding) { - // The GL_EXT_texture_format_BGRA8888 extension requires the internal format to match the external. - externalFormat = internalFormat = GL_BGRA; - pixelType = GL_UNSIGNED_BYTE; - } else if (context->isOpenGLES() && context->hasExtension(QByteArrayLiteral("GL_APPLE_texture_format_BGRA8888"))) { - // Is only allowed as an external format like OpenGL. - externalFormat = GL_BGRA; - internalFormat = GL_RGBA; - pixelType = GL_UNSIGNED_BYTE; -#endif - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { -#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_R, GL_BLUE); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_B, GL_RED); -#else - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_R, GL_GREEN); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_G, GL_BLUE); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_B, GL_ALPHA); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_A, GL_RED); -#endif - externalFormat = internalFormat = GL_RGBA; - pixelType = GL_UNSIGNED_BYTE; - } else { - // No support for direct ARGB32 upload. - break; - } - targetFormat = image.format(); - break; - case QImage::Format_BGR30: - case QImage::Format_A2BGR30_Premultiplied: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (isOpenGL12orBetter || isOpenGLES3orBetter) { - pixelType = GL_UNSIGNED_INT_2_10_10_10_REV; - externalFormat = GL_RGBA; - internalFormat = GL_RGB10_A2; - targetFormat = image.format(); - } - break; - case QImage::Format_RGB30: - case QImage::Format_A2RGB30_Premultiplied: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (isOpenGL12orBetter) { - pixelType = GL_UNSIGNED_INT_2_10_10_10_REV; - externalFormat = GL_BGRA; - internalFormat = GL_RGB10_A2; - targetFormat = image.format(); - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_B, GL_RED); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_R, GL_BLUE); - pixelType = GL_UNSIGNED_INT_2_10_10_10_REV; - externalFormat = GL_RGBA; - internalFormat = GL_RGB10_A2; - targetFormat = image.format(); - } - break; - case QImage::Format_RGB444: - case QImage::Format_RGB555: - case QImage::Format_RGB16: - if (isOpenGL12orBetter || context->isOpenGLES()) { - externalFormat = internalFormat = GL_RGB; - pixelType = GL_UNSIGNED_SHORT_5_6_5; - targetFormat = QImage::Format_RGB16; - } - break; - case QImage::Format_RGB666: - case QImage::Format_RGB888: - externalFormat = internalFormat = GL_RGB; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = QImage::Format_RGB888; - break; - case QImage::Format_BGR888: - if (isOpenGL12orBetter) { - externalFormat = GL_BGR; - internalFormat = GL_RGB; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = QImage::Format_BGR888; - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_B, GL_RED); - funcs->glTexParameteri(target, GL_TEXTURE_SWIZZLE_R, GL_BLUE); - externalFormat = internalFormat = GL_RGB; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = QImage::Format_BGR888; - } - break; - case QImage::Format_RGBX8888: - case QImage::Format_RGBA8888: - case QImage::Format_RGBA8888_Premultiplied: - externalFormat = internalFormat = GL_RGBA; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - break; - case QImage::Format_RGBX64: - case QImage::Format_RGBA64: - case QImage::Format_RGBA64_Premultiplied: - externalFormat = internalFormat = GL_RGBA; - if (isOpenGL12orBetter || (context->isOpenGLES() && context->format().majorVersion() >= 3)) - internalFormat = GL_RGBA16; - pixelType = GL_UNSIGNED_SHORT; - targetFormat = image.format(); - break; - case QImage::Format_Indexed8: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (options & UseRedForAlphaAndLuminanceBindOption) { - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } - break; - case QImage::Format_Alpha8: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (options & UseRedForAlphaAndLuminanceBindOption) { - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } else if (context->isOpenGLES() || context->format().profile() != QSurfaceFormat::CoreProfile) { - externalFormat = internalFormat = GL_ALPHA; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_ALPHA); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_ZERO); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_ZERO); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ZERO); - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } - break; - case QImage::Format_Grayscale8: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (options & UseRedForAlphaAndLuminanceBindOption) { - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } else if (context->isOpenGLES() || context->format().profile() != QSurfaceFormat::CoreProfile) { - externalFormat = internalFormat = GL_LUMINANCE; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ONE); - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_BYTE; - targetFormat = image.format(); - } - break; - case QImage::Format_Grayscale16: - if (sRgbBinding) { - // Always needs conversion - break; - } else if (options & UseRedForAlphaAndLuminanceBindOption) { - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_SHORT; - targetFormat = image.format(); - } else if (context->isOpenGLES() || context->format().profile() != QSurfaceFormat::CoreProfile) { - externalFormat = internalFormat = GL_LUMINANCE; - pixelType = GL_UNSIGNED_SHORT; - targetFormat = image.format(); - } else if (funcs->hasOpenGLExtension(QOpenGLExtensions::TextureSwizzle)) { - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED); - funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ONE); - externalFormat = internalFormat = GL_RED; - pixelType = GL_UNSIGNED_SHORT; - targetFormat = image.format(); - } - break; - default: - break; - } - - // If no direct upload was detected above, convert to RGBA8888 and upload that - if (targetFormat == QImage::Format_Invalid) { - externalFormat = internalFormat = GL_RGBA; - pixelType = GL_UNSIGNED_BYTE; - if (!image.hasAlphaChannel()) - targetFormat = QImage::Format_RGBX8888; - else - targetFormat = QImage::Format_RGBA8888; - } - - if (options & PremultipliedAlphaBindOption) { - if (targetFormat == QImage::Format_ARGB32) - targetFormat = QImage::Format_ARGB32_Premultiplied; - else if (targetFormat == QImage::Format_RGBA8888) - targetFormat = QImage::Format_RGBA8888_Premultiplied; - else if (targetFormat == QImage::Format_RGBA64) - targetFormat = QImage::Format_RGBA64_Premultiplied; - } else { - if (targetFormat == QImage::Format_ARGB32_Premultiplied) - targetFormat = QImage::Format_ARGB32; - else if (targetFormat == QImage::Format_RGBA8888_Premultiplied) - targetFormat = QImage::Format_RGBA8888; - else if (targetFormat == QImage::Format_RGBA64_Premultiplied) - targetFormat = QImage::Format_RGBA64; - } - - if (sRgbBinding) { - Q_ASSERT(internalFormat == GL_RGBA || internalFormat == GL_RGB); - if (image.hasAlphaChannel()) - internalFormat = GL_SRGB_ALPHA; - else - internalFormat = GL_SRGB; - } - - if (image.format() != targetFormat) - tx = image.convertToFormat(targetFormat); - else - tx = image; - - QSize newSize = tx.size(); - if (!maxSize.isEmpty()) - newSize = newSize.boundedTo(maxSize); - if (options & PowerOfTwoBindOption) { - newSize.setWidth(qNextPowerOfTwo(newSize.width() - 1)); - newSize.setHeight(qNextPowerOfTwo(newSize.height() - 1)); - } - - if (newSize != tx.size()) - tx = tx.scaled(newSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); - - // Handle cases where the QImage is actually a sub image of its image data: - qsizetype naturalBpl = ((qsizetype(tx.width()) * tx.depth() + 31) >> 5) << 2; - if (tx.bytesPerLine() != naturalBpl) - tx = tx.copy(tx.rect()); - - funcs->glTexImage2D(target, 0, internalFormat, tx.width(), tx.height(), 0, externalFormat, pixelType, tx.constBits()); - - qsizetype cost = qint64(tx.width()) * tx.height() * tx.depth() / 8; - - return cost; -} - -QT_END_NAMESPACE |