diff options
Diffstat (limited to 'src/platformsupport/glxconvenience')
5 files changed, 0 insertions, 593 deletions
diff --git a/src/platformsupport/glxconvenience/.prev_CMakeLists.txt b/src/platformsupport/glxconvenience/.prev_CMakeLists.txt deleted file mode 100644 index d3d2c87910..0000000000 --- a/src/platformsupport/glxconvenience/.prev_CMakeLists.txt +++ /dev/null @@ -1,21 +0,0 @@ -# Generated from glxconvenience.pro. - -##################################################################### -## GlxSupport Module: -##################################################################### - -qt_add_module(GlxSupport - STATIC - INTERNAL_MODULE - SOURCES - qglxconvenience.cpp qglxconvenience_p.h - DEFINES - QT_NO_CAST_FROM_ASCII - PUBLIC_LIBRARIES - Qt::CorePrivate - Qt::GuiPrivate - X11::X11 -) - -#### Keys ignored in scope 1:.:.:glxconvenience.pro:<TRUE>: -# MODULE = "glx_support" diff --git a/src/platformsupport/glxconvenience/CMakeLists.txt b/src/platformsupport/glxconvenience/CMakeLists.txt deleted file mode 100644 index 00d2e6c754..0000000000 --- a/src/platformsupport/glxconvenience/CMakeLists.txt +++ /dev/null @@ -1,23 +0,0 @@ -# Generated from glxconvenience.pro. - -qt_find_package(X11) # special case - -##################################################################### -## GlxSupport Module: -##################################################################### - -qt_add_module(GlxSupport - STATIC - INTERNAL_MODULE - SOURCES - qglxconvenience.cpp qglxconvenience_p.h - DEFINES - QT_NO_CAST_FROM_ASCII - PUBLIC_LIBRARIES - Qt::CorePrivate - Qt::GuiPrivate - X11::X11 -) - -#### Keys ignored in scope 1:.:.:glxconvenience.pro:<TRUE>: -# MODULE = "glx_support" diff --git a/src/platformsupport/glxconvenience/glxconvenience.pro b/src/platformsupport/glxconvenience/glxconvenience.pro deleted file mode 100644 index 1b9cf79080..0000000000 --- a/src/platformsupport/glxconvenience/glxconvenience.pro +++ /dev/null @@ -1,14 +0,0 @@ -TARGET = QtGlxSupport -MODULE = glx_support - -QT = core-private gui-private -CONFIG += static internal_module - -DEFINES += QT_NO_CAST_FROM_ASCII - -QMAKE_USE += xlib - -HEADERS += qglxconvenience_p.h -SOURCES += qglxconvenience.cpp - -load(qt_module) diff --git a/src/platformsupport/glxconvenience/qglxconvenience.cpp b/src/platformsupport/glxconvenience/qglxconvenience.cpp deleted file mode 100644 index 823adf52ea..0000000000 --- a/src/platformsupport/glxconvenience/qglxconvenience.cpp +++ /dev/null @@ -1,463 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// We have to include this before the X11 headers dragged in by -// qglxconvenience_p.h. -#include <QtCore/QByteArray> -#include <QtCore/QScopedPointer> - -#include <QtCore/qmetatype.h> -#include <QtCore/qtextstream.h> -#include "qglxconvenience_p.h" - -#include <QtCore/QLoggingCategory> -#include <QtCore/QVector> -#include <QtCore/QVarLengthArray> - -#include <GL/glxext.h> - -Q_LOGGING_CATEGORY(lcGlx, "qt.glx") - -enum { - XFocusOut = FocusOut, - XFocusIn = FocusIn, - XKeyPress = KeyPress, - XKeyRelease = KeyRelease, - XNone = None, - XRevertToParent = RevertToParent, - XGrayScale = GrayScale, - XCursorShape = CursorShape -}; -#undef FocusOut -#undef FocusIn -#undef KeyPress -#undef KeyRelease -#undef None -#undef RevertToParent -#undef GrayScale -#undef CursorShape - -#ifdef FontChange -#undef FontChange -#endif - -#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB -#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2 -#endif - -QVector<int> qglx_buildSpec(const QSurfaceFormat &format, int drawableBit, int flags) -{ - QVector<int> spec; - - spec << GLX_LEVEL - << 0 - - << GLX_RENDER_TYPE - << GLX_RGBA_BIT - - << GLX_RED_SIZE - << qMax(1, format.redBufferSize()) - - << GLX_GREEN_SIZE - << qMax(1, format.greenBufferSize()) - - << GLX_BLUE_SIZE - << qMax(1, format.blueBufferSize()) - - << GLX_ALPHA_SIZE - << qMax(0, format.alphaBufferSize()); - - if (format.swapBehavior() != QSurfaceFormat::SingleBuffer) - spec << GLX_DOUBLEBUFFER - << True; - - if (format.stereo()) - spec << GLX_STEREO - << True; - - if (format.depthBufferSize() != -1) - spec << GLX_DEPTH_SIZE - << format.depthBufferSize(); - - if (format.stencilBufferSize() != -1) - spec << GLX_STENCIL_SIZE - << format.stencilBufferSize(); - - if (format.samples() > 1) - spec << GLX_SAMPLE_BUFFERS_ARB - << 1 - << GLX_SAMPLES_ARB - << format.samples(); - - if ((flags & QGLX_SUPPORTS_SRGB) && format.colorSpace() == QSurfaceFormat::sRGBColorSpace) - spec << GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB - << True; - - spec << GLX_DRAWABLE_TYPE - << drawableBit - - << XNone; - - return spec; -} - -namespace { -struct QXcbSoftwareOpenGLEnforcer { - QXcbSoftwareOpenGLEnforcer() { - // Allow forcing LIBGL_ALWAYS_SOFTWARE for Qt 5 applications only. - // This is most useful with drivers that only support OpenGL 1. - // We need OpenGL 2, but the user probably doesn't want - // LIBGL_ALWAYS_SOFTWARE in OpenGL 1 apps. - - if (!checkedForceSoftwareOpenGL) { - // If LIBGL_ALWAYS_SOFTWARE is already set, don't mess with it. - // We want to unset LIBGL_ALWAYS_SOFTWARE at the end so it does not - // get inherited by other processes, of course only if it wasn't - // already set before. - if (!qEnvironmentVariableIsEmpty("QT_XCB_FORCE_SOFTWARE_OPENGL") - && !qEnvironmentVariableIsSet("LIBGL_ALWAYS_SOFTWARE")) - forceSoftwareOpenGL = true; - - checkedForceSoftwareOpenGL = true; - } - - if (forceSoftwareOpenGL) - qputenv("LIBGL_ALWAYS_SOFTWARE", QByteArrayLiteral("1")); - } - - ~QXcbSoftwareOpenGLEnforcer() { - // unset LIBGL_ALWAYS_SOFTWARE now so other processes don't inherit it - if (forceSoftwareOpenGL) - qunsetenv("LIBGL_ALWAYS_SOFTWARE"); - } - - static bool checkedForceSoftwareOpenGL; - static bool forceSoftwareOpenGL; -}; - -bool QXcbSoftwareOpenGLEnforcer::checkedForceSoftwareOpenGL = false; -bool QXcbSoftwareOpenGLEnforcer::forceSoftwareOpenGL = false; - -template <class T> -struct QXlibScopedPointerDeleter { - static inline void cleanup(T *pointer) { - if (pointer) - XFree(pointer); - } -}; - -template <class T> -using QXlibPointer = QScopedPointer<T, QXlibScopedPointerDeleter<T>>; - -template <class T> -using QXlibArrayPointer = QScopedArrayPointer<T, QXlibScopedPointerDeleter<T>>; -} - -GLXFBConfig qglx_findConfig(Display *display, int screen , QSurfaceFormat format, bool highestPixelFormat, int drawableBit, int flags) -{ - QXcbSoftwareOpenGLEnforcer softwareOpenGLEnforcer; - - GLXFBConfig config = nullptr; - - do { - const QVector<int> spec = qglx_buildSpec(format, drawableBit, flags); - - int confcount = 0; - QXlibArrayPointer<GLXFBConfig> configs(glXChooseFBConfig(display, screen, spec.constData(), &confcount)); - - if (!config && confcount > 0) { - config = configs[0]; - if (highestPixelFormat && !format.hasAlpha()) - break; - } - - const int requestedRed = qMax(0, format.redBufferSize()); - const int requestedGreen = qMax(0, format.greenBufferSize()); - const int requestedBlue = qMax(0, format.blueBufferSize()); - const int requestedAlpha = qMax(0, format.alphaBufferSize()); - - GLXFBConfig compatibleCandidate = nullptr; - for (int i = 0; i < confcount; i++) { - GLXFBConfig candidate = configs[i]; - - if ((flags & QGLX_SUPPORTS_SRGB) && format.colorSpace() == QSurfaceFormat::sRGBColorSpace) { - int srgbCapable = 0; - glXGetFBConfigAttrib(display, candidate, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, &srgbCapable); - if (!srgbCapable) - continue; - } - - QXlibPointer<XVisualInfo> visual(glXGetVisualFromFBConfig(display, candidate)); - if (!visual) - continue; - int actualRed; - int actualGreen; - int actualBlue; - int actualAlpha; - glXGetFBConfigAttrib(display, candidate, GLX_RED_SIZE, &actualRed); - glXGetFBConfigAttrib(display, candidate, GLX_GREEN_SIZE, &actualGreen); - glXGetFBConfigAttrib(display, candidate, GLX_BLUE_SIZE, &actualBlue); - glXGetFBConfigAttrib(display, candidate, GLX_ALPHA_SIZE, &actualAlpha); - // Sometimes the visuals don't have a depth that includes the alpha channel. - actualAlpha = qMin(actualAlpha, visual->depth - actualRed - actualGreen - actualBlue); - - if (requestedRed && actualRed < requestedRed) - continue; - if (requestedGreen && actualGreen < requestedGreen) - continue; - if (requestedBlue && actualBlue < requestedBlue) - continue; - if (requestedAlpha && actualAlpha < requestedAlpha) - continue; - if (!compatibleCandidate) // Only pick up the first compatible one offered by the server - compatibleCandidate = candidate; - - if (requestedRed && actualRed != requestedRed) - continue; - if (requestedGreen && actualGreen != requestedGreen) - continue; - if (requestedBlue && actualBlue != requestedBlue) - continue; - if (requestedAlpha && actualAlpha != requestedAlpha) - continue; - - return candidate; - } - if (compatibleCandidate) { - qCDebug(lcGlx) << "qglx_findConfig: Found non-matching but compatible FBConfig"; - return compatibleCandidate; - } - } while (qglx_reduceFormat(&format)); - - if (!config) - qCWarning(lcGlx) << "qglx_findConfig: Failed to finding matching FBConfig for" << format; - - return config; -} - -XVisualInfo *qglx_findVisualInfo(Display *display, int screen, QSurfaceFormat *format, int drawableBit, int flags) -{ - Q_ASSERT(format); - - XVisualInfo *visualInfo = nullptr; - - GLXFBConfig config = qglx_findConfig(display, screen, *format, false, drawableBit, flags); - if (config) - visualInfo = glXGetVisualFromFBConfig(display, config); - - if (visualInfo) { - qglx_surfaceFormatFromGLXFBConfig(format, display, config, flags); - return visualInfo; - } - - // attempt to fall back to glXChooseVisual - do { - QVector<int> attribs = qglx_buildSpec(*format, drawableBit, flags); - visualInfo = glXChooseVisual(display, screen, attribs.data()); - - if (visualInfo) { - qglx_surfaceFormatFromVisualInfo(format, display, visualInfo, flags); - return visualInfo; - } - } while (qglx_reduceFormat(format)); - - return visualInfo; -} - -void qglx_surfaceFormatFromGLXFBConfig(QSurfaceFormat *format, Display *display, GLXFBConfig config, int flags) -{ - int redSize = 0; - int greenSize = 0; - int blueSize = 0; - int alphaSize = 0; - int depthSize = 0; - int stencilSize = 0; - int sampleBuffers = 0; - int sampleCount = 0; - int stereo = 0; - int srgbCapable = 0; - - glXGetFBConfigAttrib(display, config, GLX_RED_SIZE, &redSize); - glXGetFBConfigAttrib(display, config, GLX_GREEN_SIZE, &greenSize); - glXGetFBConfigAttrib(display, config, GLX_BLUE_SIZE, &blueSize); - glXGetFBConfigAttrib(display, config, GLX_ALPHA_SIZE, &alphaSize); - glXGetFBConfigAttrib(display, config, GLX_DEPTH_SIZE, &depthSize); - glXGetFBConfigAttrib(display, config, GLX_STENCIL_SIZE, &stencilSize); - glXGetFBConfigAttrib(display, config, GLX_SAMPLE_BUFFERS_ARB, &sampleBuffers); - glXGetFBConfigAttrib(display, config, GLX_STEREO, &stereo); - if (flags & QGLX_SUPPORTS_SRGB) - glXGetFBConfigAttrib(display, config, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, &srgbCapable); - - format->setRedBufferSize(redSize); - format->setGreenBufferSize(greenSize); - format->setBlueBufferSize(blueSize); - format->setAlphaBufferSize(alphaSize); - format->setDepthBufferSize(depthSize); - format->setStencilBufferSize(stencilSize); - if (sampleBuffers) { - glXGetFBConfigAttrib(display, config, GLX_SAMPLES_ARB, &sampleCount); - format->setSamples(sampleCount); - } - format->setColorSpace(srgbCapable ? QSurfaceFormat::sRGBColorSpace : QSurfaceFormat::DefaultColorSpace); - - format->setStereo(stereo); -} - -void qglx_surfaceFormatFromVisualInfo(QSurfaceFormat *format, Display *display, XVisualInfo *visualInfo, int flags) -{ - int redSize = 0; - int greenSize = 0; - int blueSize = 0; - int alphaSize = 0; - int depthSize = 0; - int stencilSize = 0; - int sampleBuffers = 0; - int sampleCount = 0; - int stereo = 0; - int srgbCapable = 0; - - glXGetConfig(display, visualInfo, GLX_RED_SIZE, &redSize); - glXGetConfig(display, visualInfo, GLX_GREEN_SIZE, &greenSize); - glXGetConfig(display, visualInfo, GLX_BLUE_SIZE, &blueSize); - glXGetConfig(display, visualInfo, GLX_ALPHA_SIZE, &alphaSize); - glXGetConfig(display, visualInfo, GLX_DEPTH_SIZE, &depthSize); - glXGetConfig(display, visualInfo, GLX_STENCIL_SIZE, &stencilSize); - glXGetConfig(display, visualInfo, GLX_SAMPLE_BUFFERS_ARB, &sampleBuffers); - glXGetConfig(display, visualInfo, GLX_STEREO, &stereo); - if (flags & QGLX_SUPPORTS_SRGB) - glXGetConfig(display, visualInfo, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, &srgbCapable); - - format->setRedBufferSize(redSize); - format->setGreenBufferSize(greenSize); - format->setBlueBufferSize(blueSize); - format->setAlphaBufferSize(alphaSize); - format->setDepthBufferSize(depthSize); - format->setStencilBufferSize(stencilSize); - if (sampleBuffers) { - glXGetConfig(display, visualInfo, GLX_SAMPLES_ARB, &sampleCount); - format->setSamples(sampleCount); - } - format->setColorSpace(srgbCapable ? QSurfaceFormat::sRGBColorSpace : QSurfaceFormat::DefaultColorSpace); - - format->setStereo(stereo); -} - -bool qglx_reduceFormat(QSurfaceFormat *format) -{ - Q_ASSERT(format); - if (std::max(std::max(format->redBufferSize(), format->greenBufferSize()), format->blueBufferSize()) > 8) { - if (format->alphaBufferSize() > 2) { - // First try to match 10 10 10 2 - format->setAlphaBufferSize(2); - return true; - } - - format->setRedBufferSize(std::min(format->redBufferSize(), 8)); - format->setGreenBufferSize(std::min(format->greenBufferSize(), 8)); - format->setBlueBufferSize(std::min(format->blueBufferSize(), 8)); - return true; - } - - if (format->redBufferSize() > 1) { - format->setRedBufferSize(1); - return true; - } - - if (format->greenBufferSize() > 1) { - format->setGreenBufferSize(1); - return true; - } - - if (format->blueBufferSize() > 1) { - format->setBlueBufferSize(1); - return true; - } - - if (format->swapBehavior() != QSurfaceFormat::SingleBuffer){ - format->setSwapBehavior(QSurfaceFormat::SingleBuffer); - return true; - } - - if (format->samples() > 1) { - format->setSamples(qMin(16, format->samples() / 2)); - return true; - } - - if (format->depthBufferSize() >= 32) { - format->setDepthBufferSize(24); - return true; - } - - if (format->depthBufferSize() > 1) { - format->setDepthBufferSize(1); - return true; - } - - if (format->depthBufferSize() > 0) { - format->setDepthBufferSize(0); - return true; - } - - if (format->hasAlpha()) { - format->setAlphaBufferSize(0); - return true; - } - - if (format->stencilBufferSize() > 1) { - format->setStencilBufferSize(1); - return true; - } - - if (format->stencilBufferSize() > 0) { - format->setStencilBufferSize(0); - return true; - } - - if (format->stereo()) { - format->setStereo(false); - return true; - } - - if (format->colorSpace() == QSurfaceFormat::sRGBColorSpace) { - format->setColorSpace(QSurfaceFormat::DefaultColorSpace); - return true; - } - - return false; -} diff --git a/src/platformsupport/glxconvenience/qglxconvenience_p.h b/src/platformsupport/glxconvenience/qglxconvenience_p.h deleted file mode 100644 index f9647bfd9a..0000000000 --- a/src/platformsupport/glxconvenience/qglxconvenience_p.h +++ /dev/null @@ -1,72 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QGLXCONVENIENCE_H -#define QGLXCONVENIENCE_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QSurfaceFormat> -#include <QVector> - -#include <X11/Xlib.h> -#include <GL/glx.h> - -enum QGlxFlags -{ - QGLX_SUPPORTS_SRGB = 0x01 -}; - -QVector<int> qglx_buildSpec(const QSurfaceFormat &format, int drawableBit = GLX_WINDOW_BIT, int flags = 0); -XVisualInfo *qglx_findVisualInfo(Display *display, int screen, QSurfaceFormat *format, int drawableBit = GLX_WINDOW_BIT, int flags = 0); -GLXFBConfig qglx_findConfig(Display *display, int screen, QSurfaceFormat format, bool highestPixelFormat = false, int drawableBit = GLX_WINDOW_BIT, int flags = 0); -void qglx_surfaceFormatFromGLXFBConfig(QSurfaceFormat *format, Display *display, GLXFBConfig config, int flags = 0); -void qglx_surfaceFormatFromVisualInfo(QSurfaceFormat *format, Display *display, XVisualInfo *visualInfo, int flags = 0); -bool qglx_reduceFormat(QSurfaceFormat *format); - -#endif // QGLXCONVENIENCE_H |