diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/.prev_CMakeLists.txt | 36 | ||||
| -rw-r--r-- | src/gui/CMakeLists.txt | 46 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/egl.pri | 32 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglconvenience.cpp | 628 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglconvenience_p.h | 127 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglpbuffer.cpp | 108 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglpbuffer_p.h | 80 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglplatformcontext.cpp | 848 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglplatformcontext_p.h | 145 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglstreamconvenience.cpp | 123 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglstreamconvenience_p.h | 211 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qt_egl_p.h | 128 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qxlibeglintegration.cpp | 166 | ||||
| -rw-r--r-- | src/gui/opengl/platform/egl/qxlibeglintegration_p.h | 69 | ||||
| -rw-r--r-- | src/gui/opengl/platform/platform.pri | 2 |
15 files changed, 2743 insertions, 6 deletions
diff --git a/src/gui/.prev_CMakeLists.txt b/src/gui/.prev_CMakeLists.txt index 2aa4c20f5b..ba71e2d6f2 100644 --- a/src/gui/.prev_CMakeLists.txt +++ b/src/gui/.prev_CMakeLists.txt @@ -331,6 +331,13 @@ qt_extend_target(Gui CONDITION WIN32 #### Keys ignored in scope 7:.:.:gui.pro:WIN32: # CMAKE_WINDOWS_BUILD = "True" +qt_extend_target(Gui CONDITION QT_FEATURE_egl + SOURCES + opengl/platform/egl/qeglconvenience.cpp opengl/platform/egl/qeglconvenience_p.h + opengl/platform/egl/qeglstreamconvenience.cpp opengl/platform/egl/qeglstreamconvenience_p.h + opengl/platform/egl/qt_egl_p.h +) + #### Keys ignored in scope 8:.:.:gui.pro:QT_FEATURE_egl: # CMAKE_EGL_LIBS = "$$cmakeProcessLibs($$QMAKE_LIBS_EGL)" @@ -687,6 +694,29 @@ qt_extend_target(Gui CONDITION QT_FEATURE_opengl AND QT_FEATURE_xlib AND NOT QT_ X11::X11 ) +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND QT_FEATURE_opengl + SOURCES + opengl/platform/egl/qeglpbuffer.cpp opengl/platform/egl/qeglpbuffer_p.h + opengl/platform/egl/qeglplatformcontext.cpp opengl/platform/egl/qeglplatformcontext_p.h +) + +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND QT_FEATURE_egl_x11 + SOURCES + opengl/platform/egl/qxlibeglintegration.cpp opengl/platform/egl/qxlibeglintegration_p.h + LIBRARIES + X11::X11 +) + +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND NOT QT_FEATURE_egl_x11 + DEFINES + QT_EGL_NO_X11 +) + +qt_extend_target(Gui CONDITION QT_FEATURE_dlopen AND QT_FEATURE_egl + LIBRARIES + ${CMAKE_DL_LIBS} +) + qt_extend_target(Gui CONDITION QT_FEATURE_vulkan SOURCES rhi/qrhivulkan.cpp rhi/qrhivulkan_p.h @@ -700,7 +730,7 @@ qt_extend_target(Gui CONDITION QT_FEATURE_vulkan Vulkan::Vulkan_nolink ) -#### Keys ignored in scope 104:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vkgen: +#### Keys ignored in scope 110:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vkgen: # QMAKE_EXTRA_COMPILERS = "qvkgen_h" "qvkgen_ph" "qvkgen_pimpl" # QMAKE_QVKGEN_INPUT = "vulkan/vk.xml" # QMAKE_QVKGEN_LICENSE_HEADER = "$$QT_SOURCE_TREE/header.LGPL" @@ -716,10 +746,10 @@ qt_extend_target(Gui CONDITION QT_FEATURE_vulkan # qvkgen_pimpl.input = "QMAKE_QVKGEN_INPUT" # qvkgen_pimpl.output = "$$OUT_PWD/vulkan/qvulkanfunctions_p.cpp" -#### Keys ignored in scope 105:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vulkan: +#### Keys ignored in scope 111:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vulkan: # qvkgen_h.variable_out = "HEADERS" -#### Keys ignored in scope 106:.:vulkan:vulkan/vulkan.pri:else: +#### Keys ignored in scope 112:.:vulkan:vulkan/vulkan.pri:else: # qvkgen_h.CONFIG = "target_predeps" "no_link" qt_extend_target(Gui CONDITION WASM diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt index bca7b4ad7c..7d78ecb282 100644 --- a/src/gui/CMakeLists.txt +++ b/src/gui/CMakeLists.txt @@ -410,6 +410,23 @@ qt_extend_target(Gui CONDITION WIN32 #### Keys ignored in scope 7:.:.:gui.pro:WIN32: # CMAKE_WINDOWS_BUILD = "True" +# special case begin +if(QT_FEATURE_egl) + qt_find_package(EGL) +endif() +# special case end + +qt_extend_target(Gui CONDITION QT_FEATURE_egl + SOURCES + opengl/platform/egl/qeglconvenience.cpp opengl/platform/egl/qeglconvenience_p.h + opengl/platform/egl/qeglstreamconvenience.cpp opengl/platform/egl/qeglstreamconvenience_p.h + opengl/platform/egl/qt_egl_p.h +# special case begin + LIBRARIES + EGL::EGL # special case +# special case end +) + #### Keys ignored in scope 8:.:.:gui.pro:QT_FEATURE_egl: # CMAKE_EGL_LIBS = "$$cmakeProcessLibs($$QMAKE_LIBS_EGL)" @@ -793,6 +810,29 @@ qt_extend_target(Gui CONDITION QT_FEATURE_opengl AND QT_FEATURE_xlib AND NOT QT_ X11::X11 ) +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND QT_FEATURE_opengl + SOURCES + opengl/platform/egl/qeglpbuffer.cpp opengl/platform/egl/qeglpbuffer_p.h + opengl/platform/egl/qeglplatformcontext.cpp opengl/platform/egl/qeglplatformcontext_p.h +) + +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND QT_FEATURE_egl_x11 + SOURCES + opengl/platform/egl/qxlibeglintegration.cpp opengl/platform/egl/qxlibeglintegration_p.h + LIBRARIES + X11::X11 +) + +qt_extend_target(Gui CONDITION QT_FEATURE_egl AND NOT QT_FEATURE_egl_x11 + DEFINES + QT_EGL_NO_X11 +) + +qt_extend_target(Gui CONDITION QT_FEATURE_dlopen AND QT_FEATURE_egl + LIBRARIES + ${CMAKE_DL_LIBS} +) + qt_extend_target(Gui CONDITION QT_FEATURE_vulkan SOURCES rhi/qrhivulkan.cpp rhi/qrhivulkan_p.h @@ -806,7 +846,7 @@ qt_extend_target(Gui CONDITION QT_FEATURE_vulkan Vulkan::Vulkan_nolink ) -#### Keys ignored in scope 99:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vkgen: +#### Keys ignored in scope 110:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vkgen: # special case begin # We must always generate syncqt-injected header files, # because we added a custom command earlier for those for framework builds. @@ -862,10 +902,10 @@ add_custom_command( # qvkgen_pimpl.input = "QMAKE_QVKGEN_INPUT" # qvkgen_pimpl.output = "$$OUT_PWD/vulkan/qvulkanfunctions_p.cpp" -#### Keys ignored in scope 105:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vulkan: +#### Keys ignored in scope 111:.:vulkan:vulkan/vulkan.pri:QT_FEATURE_vulkan: # qvkgen_h.variable_out = "HEADERS" -#### Keys ignored in scope 106:.:vulkan:vulkan/vulkan.pri:else: +#### Keys ignored in scope 112:.:vulkan:vulkan/vulkan.pri:else: # qvkgen_h.CONFIG = "target_predeps" "no_link" qt_extend_target(Gui CONDITION WASM diff --git a/src/gui/opengl/platform/egl/egl.pri b/src/gui/opengl/platform/egl/egl.pri new file mode 100644 index 0000000000..78d3cc2e54 --- /dev/null +++ b/src/gui/opengl/platform/egl/egl.pri @@ -0,0 +1,32 @@ +HEADERS += \ + opengl/platform/egl/qeglconvenience_p.h \ + opengl/platform/egl/qeglstreamconvenience_p.h \ + opengl/platform/egl/qt_egl_p.h + +SOURCES += \ + opengl/platform/egl/qeglconvenience.cpp \ + opengl/platform/egl/qeglstreamconvenience.cpp + +qtConfig(opengl) { + HEADERS += \ + opengl/platform/egl/qeglplatformcontext_p.h \ + opengl/platform/egl/qeglpbuffer_p.h + + SOURCES += \ + opengl/platform/egl/qeglplatformcontext.cpp \ + opengl/platform/egl/qeglpbuffer.cpp +} + +qtConfig(egl_x11) { + HEADERS += \ + opengl/platform/egl/qxlibeglintegration_p.h + SOURCES += \ + opengl/platform/egl/qxlibeglintegration.cpp + QMAKE_USE_PRIVATE += xlib +} else { + # Avoid X11 header collision, use generic EGL native types + DEFINES += QT_EGL_NO_X11 +} +CONFIG += egl + +qtConfig(dlopen): QMAKE_USE_PRIVATE += libdl diff --git a/src/gui/opengl/platform/egl/qeglconvenience.cpp b/src/gui/opengl/platform/egl/qeglconvenience.cpp new file mode 100644 index 0000000000..6076498b3e --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglconvenience.cpp @@ -0,0 +1,628 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 <QtCore/qbytearray.h> +#include <QtGui/qopenglcontext.h> + +#ifdef Q_OS_LINUX +#include <sys/ioctl.h> +#include <linux/fb.h> +#endif +#include <QtGui/private/qmath_p.h> + +#include "qeglconvenience_p.h" + +#ifndef EGL_OPENGL_ES3_BIT_KHR +#define EGL_OPENGL_ES3_BIT_KHR 0x0040 +#endif + +QT_BEGIN_NAMESPACE + +QList<EGLint> q_createConfigAttributesFromFormat(const QSurfaceFormat &format) +{ + int redSize = format.redBufferSize(); + int greenSize = format.greenBufferSize(); + int blueSize = format.blueBufferSize(); + int alphaSize = format.alphaBufferSize(); + int depthSize = format.depthBufferSize(); + int stencilSize = format.stencilBufferSize(); + int sampleCount = format.samples(); + + QList<EGLint> configAttributes; + + // Map default, unspecified values (-1) to 0. This is important due to sorting rule #3 + // in section 3.4.1 of the spec and allows picking a potentially faster 16-bit config + // over 32-bit ones when there is no explicit request for the color channel sizes: + // + // The red/green/blue sizes have a sort priority of 3, so they are sorted by + // first. (unless a caveat like SLOW or NON_CONFORMANT is present) The sort order is + // Special and described as "by larger _total_ number of color bits.". So EGL will put + // 32-bit configs in the list before the 16-bit configs. However, the spec also goes + // on to say "If the requested number of bits in attrib_list for a particular + // component is 0, then the number of bits for that component is not considered". This + // part of the spec also seems to imply that setting the red/green/blue bits to zero + // means none of the components are considered and EGL disregards the entire sorting + // rule. It then looks to the next highest priority rule, which is + // EGL_BUFFER_SIZE. Despite the selection criteria being "AtLeast" for + // EGL_BUFFER_SIZE, it's sort order is "smaller" meaning 16-bit configs are put in the + // list before 32-bit configs. + // + // This also means that explicitly specifying a size like 565 will still result in + // having larger (888) configs first in the returned list. We need to handle this + // ourselves later by manually filtering the list, instead of just blindly taking the + // first config from it. + + configAttributes.append(EGL_RED_SIZE); + configAttributes.append(redSize > 0 ? redSize : 0); + + configAttributes.append(EGL_GREEN_SIZE); + configAttributes.append(greenSize > 0 ? greenSize : 0); + + configAttributes.append(EGL_BLUE_SIZE); + configAttributes.append(blueSize > 0 ? blueSize : 0); + + configAttributes.append(EGL_ALPHA_SIZE); + configAttributes.append(alphaSize > 0 ? alphaSize : 0); + + configAttributes.append(EGL_SAMPLES); + configAttributes.append(sampleCount > 0 ? sampleCount : 0); + + configAttributes.append(EGL_SAMPLE_BUFFERS); + configAttributes.append(sampleCount > 0); + + if (format.renderableType() != QSurfaceFormat::OpenVG) { + configAttributes.append(EGL_DEPTH_SIZE); + configAttributes.append(depthSize > 0 ? depthSize : 0); + + configAttributes.append(EGL_STENCIL_SIZE); + configAttributes.append(stencilSize > 0 ? stencilSize : 0); + } else { + // OpenVG needs alpha mask for clipping + configAttributes.append(EGL_ALPHA_MASK_SIZE); + configAttributes.append(8); + } + + return configAttributes; +} + +bool q_reduceConfigAttributes(QList<EGLint> *configAttributes) +{ + int i = -1; + // Reduce the complexity of a configuration request to ask for less + // because the previous request did not result in success. Returns + // true if the complexity was reduced, or false if no further + // reductions in complexity are possible. + + i = configAttributes->indexOf(EGL_SWAP_BEHAVIOR); + if (i >= 0) { + configAttributes->remove(i,2); + } + +#ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT + // For OpenVG, we sometimes try to create a surface using a pre-multiplied format. If we can't + // find a config which supports pre-multiplied formats, remove the flag on the surface type: + + i = configAttributes->indexOf(EGL_SURFACE_TYPE); + if (i >= 0) { + EGLint surfaceType = configAttributes->at(i +1); + if (surfaceType & EGL_VG_ALPHA_FORMAT_PRE_BIT) { + surfaceType ^= EGL_VG_ALPHA_FORMAT_PRE_BIT; + configAttributes->replace(i+1,surfaceType); + return true; + } + } +#endif + + // EGL chooses configs with the highest color depth over + // those with smaller (but faster) lower color depths. One + // way around this is to set EGL_BUFFER_SIZE to 16, which + // trumps the others. Of course, there may not be a 16-bit + // config available, so it's the first restraint we remove. + i = configAttributes->indexOf(EGL_BUFFER_SIZE); + if (i >= 0) { + if (configAttributes->at(i+1) == 16) { + configAttributes->remove(i,2); + return true; + } + } + + i = configAttributes->indexOf(EGL_SAMPLES); + if (i >= 0) { + EGLint value = configAttributes->value(i+1, 0); + if (value > 1) + configAttributes->replace(i+1, qMin(EGLint(16), value / 2)); + else + configAttributes->remove(i, 2); + return true; + } + + i = configAttributes->indexOf(EGL_SAMPLE_BUFFERS); + if (i >= 0) { + configAttributes->remove(i,2); + return true; + } + + i = configAttributes->indexOf(EGL_DEPTH_SIZE); + if (i >= 0) { + if (configAttributes->at(i + 1) >= 32) + configAttributes->replace(i + 1, 24); + else if (configAttributes->at(i + 1) > 1) + configAttributes->replace(i + 1, 1); + else + configAttributes->remove(i, 2); + return true; + } + + i = configAttributes->indexOf(EGL_ALPHA_SIZE); + if (i >= 0) { + configAttributes->remove(i,2); +#if defined(EGL_BIND_TO_TEXTURE_RGBA) && defined(EGL_BIND_TO_TEXTURE_RGB) + i = configAttributes->indexOf(EGL_BIND_TO_TEXTURE_RGBA); + if (i >= 0) { + configAttributes->replace(i,EGL_BIND_TO_TEXTURE_RGB); + configAttributes->replace(i+1,true); + + } +#endif + return true; + } + + i = configAttributes->indexOf(EGL_STENCIL_SIZE); + if (i >= 0) { + if (configAttributes->at(i + 1) > 1) + configAttributes->replace(i + 1, 1); + else + configAttributes->remove(i, 2); + return true; + } + +#ifdef EGL_BIND_TO_TEXTURE_RGB + i = configAttributes->indexOf(EGL_BIND_TO_TEXTURE_RGB); + if (i >= 0) { + configAttributes->remove(i,2); + return true; + } +#endif + + return false; +} + +QEglConfigChooser::QEglConfigChooser(EGLDisplay display) + : m_display(display) + , m_surfaceType(EGL_WINDOW_BIT) + , m_ignore(false) + , m_confAttrRed(0) + , m_confAttrGreen(0) + , m_confAttrBlue(0) + , m_confAttrAlpha(0) +{ +} + +QEglConfigChooser::~QEglConfigChooser() +{ +} + +EGLConfig QEglConfigChooser::chooseConfig() +{ + QList<EGLint> configureAttributes = q_createConfigAttributesFromFormat(m_format); + configureAttributes.append(EGL_SURFACE_TYPE); + configureAttributes.append(surfaceType()); + + configureAttributes.append(EGL_RENDERABLE_TYPE); + bool needsES2Plus = false; + switch (m_format.renderableType()) { + case QSurfaceFormat::OpenVG: + configureAttributes.append(EGL_OPENVG_BIT); + break; +#ifdef EGL_VERSION_1_4 + case QSurfaceFormat::DefaultRenderableType: +#ifndef QT_NO_OPENGL + if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) + configureAttributes.append(EGL_OPENGL_BIT); + else +#endif // QT_NO_OPENGL + needsES2Plus = true; + break; + case QSurfaceFormat::OpenGL: + configureAttributes.append(EGL_OPENGL_BIT); + break; +#endif + case QSurfaceFormat::OpenGLES: + if (m_format.majorVersion() == 1) { + configureAttributes.append(EGL_OPENGL_ES_BIT); + break; + } + Q_FALLTHROUGH(); + default: + needsES2Plus = true; + break; + } + if (needsES2Plus) { + if (m_format.majorVersion() >= 3 && q_hasEglExtension(display(), "EGL_KHR_create_context")) + configureAttributes.append(EGL_OPENGL_ES3_BIT_KHR); + else + configureAttributes.append(EGL_OPENGL_ES2_BIT); + } + configureAttributes.append(EGL_NONE); + + EGLConfig cfg = nullptr; + do { + // Get the number of matching configurations for this set of properties. + EGLint matching = 0; + if (!eglChooseConfig(display(), configureAttributes.constData(), nullptr, 0, &matching) || !matching) + continue; + + // Fetch all of the matching configurations and find the + // first that matches the pixel format we wanted. + int i = configureAttributes.indexOf(EGL_RED_SIZE); + m_confAttrRed = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_GREEN_SIZE); + m_confAttrGreen = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_BLUE_SIZE); + m_confAttrBlue = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_ALPHA_SIZE); + m_confAttrAlpha = i == -1 ? 0 : configureAttributes.at(i+1); + + QList<EGLConfig> configs(matching); + eglChooseConfig(display(), configureAttributes.constData(), configs.data(), configs.size(), &matching); + if (!cfg && matching > 0) + cfg = configs.first(); + + // Filter the list. Due to the EGL sorting rules configs with higher depth are + // placed first when the minimum color channel sizes have been specified (i.e. the + // QSurfaceFormat contains color sizes > 0). To prevent returning a 888 config + // when the QSurfaceFormat explicitly asked for 565, go through the returned + // configs and look for one that exactly matches the requested sizes. When no + // sizes have been given, take the first, which will be a config with the smaller + // (e.g. 16-bit) depth. + for (int i = 0; i < configs.size(); ++i) { + if (filterConfig(configs[i])) + return configs.at(i); + } + } while (q_reduceConfigAttributes(&configureAttributes)); + + if (!cfg) + qWarning("Cannot find EGLConfig, returning null config"); + return cfg; +} + +bool QEglConfigChooser::filterConfig(EGLConfig config) const +{ + // If we are fine with the highest depth (e.g. RGB888 configs) even when something + // smaller (565) was explicitly requested, do nothing. + if (m_ignore) + return true; + + EGLint red = 0; + EGLint green = 0; + EGLint blue = 0; + EGLint alpha = 0; + + // Compare only if a size was given. Otherwise just accept. + if (m_confAttrRed) + eglGetConfigAttrib(display(), config, EGL_RED_SIZE, &red); + if (m_confAttrGreen) + eglGetConfigAttrib(display(), config, EGL_GREEN_SIZE, &green); + if (m_confAttrBlue) + eglGetConfigAttrib(display(), config, EGL_BLUE_SIZE, &blue); + if (m_confAttrAlpha) + eglGetConfigAttrib(display(), config, EGL_ALPHA_SIZE, &alpha); + + return red == m_confAttrRed && green == m_confAttrGreen + && blue == m_confAttrBlue && alpha == m_confAttrAlpha; +} + +EGLConfig q_configFromGLFormat(EGLDisplay display, const QSurfaceFormat &format, bool highestPixelFormat, int surfaceType) +{ + QEglConfigChooser chooser(display); + chooser.setSurfaceFormat(format); + chooser.setSurfaceType(surfaceType); + chooser.setIgnoreColorChannels(highestPixelFormat); + + return chooser.chooseConfig(); +} + +QSurfaceFormat q_glFormatFromConfig(EGLDisplay display, const EGLConfig config, const QSurfaceFormat &referenceFormat) +{ + QSurfaceFormat format; + EGLint redSize = 0; + EGLint greenSize = 0; + EGLint blueSize = 0; + EGLint alphaSize = 0; + EGLint depthSize = 0; + EGLint stencilSize = 0; + EGLint sampleCount = 0; + EGLint renderableType = 0; + + eglGetConfigAttrib(display, config, EGL_RED_SIZE, &redSize); + eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &greenSize); + eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &blueSize); + eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &alphaSize); + eglGetConfigAttrib(display, config, EGL_DEPTH_SIZE, &depthSize); + eglGetConfigAttrib(display, config, EGL_STENCIL_SIZE, &stencilSize); + eglGetConfigAttrib(display, config, EGL_SAMPLES, &sampleCount); + eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType); + + if (referenceFormat.renderableType() == QSurfaceFormat::OpenVG && (renderableType & EGL_OPENVG_BIT)) + format.setRenderableType(QSurfaceFormat::OpenVG); +#ifdef EGL_VERSION_1_4 + else if (referenceFormat.renderableType() == QSurfaceFormat::OpenGL + && (renderableType & EGL_OPENGL_BIT)) + format.setRenderableType(QSurfaceFormat::OpenGL); + else if (referenceFormat.renderableType() == QSurfaceFormat::DefaultRenderableType +#ifndef QT_NO_OPENGL + && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL +#endif + && (renderableType & EGL_OPENGL_BIT)) + format.setRenderableType(QSurfaceFormat::OpenGL); +#endif + else + format.setRenderableType(QSurfaceFormat::OpenGLES); + + format.setRedBufferSize(redSize); + format.setGreenBufferSize(greenSize); + format.setBlueBufferSize(blueSize); + format.setAlphaBufferSize(alphaSize); + format.setDepthBufferSize(depthSize); + format.setStencilBufferSize(stencilSize); + format.setSamples(sampleCount); + format.setStereo(false); // EGL doesn't support stereo buffers + format.setSwapInterval(referenceFormat.swapInterval()); + + // Clear the EGL error state because some of the above may + // have errored out because the attribute is not applicable + // to the surface type. Such errors don't matter. + eglGetError(); + + return format; +} + +bool q_hasEglExtension(EGLDisplay display, const char* extensionName) +{ + QList<QByteArray> extensions = + QByteArray(reinterpret_cast<const char *> + (eglQueryString(display, EGL_EXTENSIONS))).split(' '); + return extensions.contains(extensionName); +} + +struct AttrInfo { EGLint attr; const char *name; }; +static struct AttrInfo attrs[] = { + {EGL_BUFFER_SIZE, "EGL_BUFFER_SIZE"}, + {EGL_ALPHA_SIZE, "EGL_ALPHA_SIZE"}, + {EGL_BLUE_SIZE, "EGL_BLUE_SIZE"}, + {EGL_GREEN_SIZE, "EGL_GREEN_SIZE"}, + {EGL_RED_SIZE, "EGL_RED_SIZE"}, + {EGL_DEPTH_SIZE, "EGL_DEPTH_SIZE"}, + {EGL_STENCIL_SIZE, "EGL_STENCIL_SIZE"}, + {EGL_CONFIG_CAVEAT, "EGL_CONFIG_CAVEAT"}, + {EGL_CONFIG_ID, "EGL_CONFIG_ID"}, + {EGL_LEVEL, "EGL_LEVEL"}, + {EGL_MAX_PBUFFER_HEIGHT, "EGL_MAX_PBUFFER_HEIGHT"}, + {EGL_MAX_PBUFFER_PIXELS, "EGL_MAX_PBUFFER_PIXELS"}, + {EGL_MAX_PBUFFER_WIDTH, "EGL_MAX_PBUFFER_WIDTH"}, + {EGL_NATIVE_RENDERABLE, "EGL_NATIVE_RENDERABLE"}, + {EGL_NATIVE_VISUAL_ID, "EGL_NATIVE_VISUAL_ID"}, + {EGL_NATIVE_VISUAL_TYPE, "EGL_NATIVE_VISUAL_TYPE"}, + {EGL_SAMPLES, "EGL_SAMPLES"}, + {EGL_SAMPLE_BUFFERS, "EGL_SAMPLE_BUFFERS"}, + {EGL_SURFACE_TYPE, "EGL_SURFACE_TYPE"}, + {EGL_TRANSPARENT_TYPE, "EGL_TRANSPARENT_TYPE"}, + {EGL_TRANSPARENT_BLUE_VALUE, "EGL_TRANSPARENT_BLUE_VALUE"}, + {EGL_TRANSPARENT_GREEN_VALUE, "EGL_TRANSPARENT_GREEN_VALUE"}, + {EGL_TRANSPARENT_RED_VALUE, "EGL_TRANSPARENT_RED_VALUE"}, + {EGL_BIND_TO_TEXTURE_RGB, "EGL_BIND_TO_TEXTURE_RGB"}, + {EGL_BIND_TO_TEXTURE_RGBA, "EGL_BIND_TO_TEXTURE_RGBA"}, + {EGL_MIN_SWAP_INTERVAL, "EGL_MIN_SWAP_INTERVAL"}, + {EGL_MAX_SWAP_INTERVAL, "EGL_MAX_SWAP_INTERVAL"}, + {-1, nullptr}}; + +void q_printEglConfig(EGLDisplay display, EGLConfig config) +{ + EGLint index; + for (index = 0; attrs[index].attr != -1; ++index) { + EGLint value; + if (eglGetConfigAttrib(display, config, attrs[index].attr, &value)) { + qDebug("\t%s: %d", attrs[index].name, (int)value); + } + } +} + +#ifdef Q_OS_UNIX + +QSizeF q_physicalScreenSizeFromFb(int framebufferDevice, const QSize &screenSize) +{ +#ifndef Q_OS_LINUX + Q_UNUSED(framebufferDevice); +#endif + const int defaultPhysicalDpi = 100; + static QSizeF size; + + if (size.isEmpty()) { + // Note: in millimeters + int width = qEnvironmentVariableIntValue("QT_QPA_EGLFS_PHYSICAL_WIDTH"); + int height = qEnvironmentVariableIntValue("QT_QPA_EGLFS_PHYSICAL_HEIGHT"); + + if (width && height) { + size.setWidth(width); + size.setHeight(height); + return size; + } + + int w = -1; + int h = -1; + QSize screenResolution; +#ifdef Q_OS_LINUX + struct fb_var_screeninfo vinfo; + + if (framebufferDevice != -1) { + if (ioctl(framebufferDevice, FBIOGET_VSCREENINFO, &vinfo) == -1) { + qWarning("eglconvenience: Could not query screen info"); + } else { + w = vinfo.width; + h = vinfo.height; + screenResolution = QSize(vinfo.xres, vinfo.yres); + } + } else +#endif + { + // Use the provided screen size, when available, since some platforms may have their own + // specific way to query it. Otherwise try querying it from the framebuffer. + screenResolution = screenSize.isEmpty() ? q_screenSizeFromFb(framebufferDevice) : screenSize; + } + + size.setWidth(w <= 0 ? screenResolution.width() * Q_MM_PER_INCH / defaultPhysicalDpi : qreal(w)); + size.setHeight(h <= 0 ? screenResolution.height() * Q_MM_PER_INCH / defaultPhysicalDpi : qreal(h)); + + if (w <= 0 || h <= 0) + qWarning("Unable to query physical screen size, defaulting to %d dpi.\n" + "To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH " + "and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).", defaultPhysicalDpi); + } + + return size; +} + +QSize q_screenSizeFromFb(int framebufferDevice) +{ +#ifndef Q_OS_LINUX + Q_UNUSED(framebufferDevice); +#endif + const int defaultWidth = 800; + const int defaultHeight = 600; + static QSize size; + + if (size.isEmpty()) { + int width = qEnvironmentVariableIntValue("QT_QPA_EGLFS_WIDTH"); + int height = qEnvironmentVariableIntValue("QT_QPA_EGLFS_HEIGHT"); + + if (width && height) { + size.setWidth(width); + size.setHeight(height); + return size; + } + +#ifdef Q_OS_LINUX + struct fb_var_screeninfo vinfo; + int xres = -1; + int yres = -1; + + if (framebufferDevice != -1) { + if (ioctl(framebufferDevice, FBIOGET_VSCREENINFO, &vinfo) == -1) { + qWarning("eglconvenience: Could not read screen info"); + } else { + xres = vinfo.xres; + yres = vinfo.yres; + } + } + + size.setWidth(xres <= 0 ? defaultWidth : xres); + size.setHeight(yres <= 0 ? defaultHeight : yres); +#else + size.setWidth(defaultWidth); + size.setHeight(defaultHeight); +#endif + } + + return size; +} + +int q_screenDepthFromFb(int framebufferDevice) +{ +#ifndef Q_OS_LINUX + Q_UNUSED(framebufferDevice); +#endif + const int defaultDepth = 32; + static int depth = qEnvironmentVariableIntValue("QT_QPA_EGLFS_DEPTH"); + + if (depth == 0) { +#ifdef Q_OS_LINUX + struct fb_var_screeninfo vinfo; + + if (framebufferDevice != -1) { + if (ioctl(framebufferDevice, FBIOGET_VSCREENINFO, &vinfo) == -1) + qWarning("eglconvenience: Could not query screen info"); + else + depth = vinfo.bits_per_pixel; + } + + if (depth <= 0) + depth = defaultDepth; +#else + depth = defaultDepth; +#endif + } + + return depth; +} + +qreal q_refreshRateFromFb(int framebufferDevice) +{ +#ifndef Q_OS_LINUX + Q_UNUSED(framebufferDevice); +#endif + + static qreal rate = 0; + +#ifdef Q_OS_LINUX + if (rate == 0) { + if (framebufferDevice != -1) { + struct fb_var_screeninfo vinfo; + if (ioctl(framebufferDevice, FBIOGET_VSCREENINFO, &vinfo) != -1) { + const quint64 quot = quint64(vinfo.left_margin + vinfo.right_margin + vinfo.xres + vinfo.hsync_len) + * quint64(vinfo.upper_margin + vinfo.lower_margin + vinfo.yres + vinfo.vsync_len) + * vinfo.pixclock; + if (quot) + rate = 1000000000000LLU / quot; + } else { + qWarning("eglconvenience: Could not query screen info"); + } + } + } +#endif + + if (rate == 0) + rate = 60; + + return rate; +} + +#endif // Q_OS_UNIX + +QT_END_NAMESPACE diff --git a/src/gui/opengl/platform/egl/qeglconvenience_p.h b/src/gui/opengl/platform/egl/qeglconvenience_p.h new file mode 100644 index 0000000000..7675d1316a --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglconvenience_p.h @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGLCONVENIENCE_H +#define QEGLCONVENIENCE_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 <QtGui/qsurfaceformat.h> +#include <QtCore/qlist.h> +#include <QtCore/qsize.h> + +#include <QtGui/private/qt_egl_p.h> + + +QT_BEGIN_NAMESPACE + +Q_GUI_EXPORT QList<EGLint> q_createConfigAttributesFromFormat(const QSurfaceFormat &format); + +Q_GUI_EXPORT bool q_reduceConfigAttributes(QList<EGLint> *configAttributes); + +Q_GUI_EXPORT EGLConfig q_configFromGLFormat(EGLDisplay display, + const QSurfaceFormat &format, + bool highestPixelFormat = false, + int surfaceType = EGL_WINDOW_BIT); + +Q_GUI_EXPORT QSurfaceFormat q_glFormatFromConfig(EGLDisplay display, const EGLConfig config, + const QSurfaceFormat &referenceFormat = {}); + +Q_GUI_EXPORT bool q_hasEglExtension(EGLDisplay display,const char* extensionName); + +Q_GUI_EXPORT void q_printEglConfig(EGLDisplay display, EGLConfig config); + +#ifdef Q_OS_UNIX +Q_GUI_EXPORT QSizeF q_physicalScreenSizeFromFb(int framebufferDevice, + const QSize &screenSize = {}); + +Q_GUI_EXPORT QSize q_screenSizeFromFb(int framebufferDevice); + +Q_GUI_EXPORT int q_screenDepthFromFb(int framebufferDevice); + +Q_GUI_EXPORT qreal q_refreshRateFromFb(int framebufferDevice); + +#endif + +class Q_GUI_EXPORT QEglConfigChooser +{ +public: + QEglConfigChooser(EGLDisplay display); + virtual ~QEglConfigChooser(); + + EGLDisplay display() const { return m_display; } + + void setSurfaceType(EGLint surfaceType) { m_surfaceType = surfaceType; } + EGLint surfaceType() const { return m_surfaceType; } + + void setSurfaceFormat(const QSurfaceFormat &format) { m_format = format; } + QSurfaceFormat surfaceFormat() const { return m_format; } + + void setIgnoreColorChannels(bool ignore) { m_ignore = ignore; } + bool ignoreColorChannels() const { return m_ignore; } + + EGLConfig chooseConfig(); + +protected: + virtual bool filterConfig(EGLConfig config) const; + + QSurfaceFormat m_format; + EGLDisplay m_display; + EGLint m_surfaceType; + bool m_ignore; + + int m_confAttrRed; + int m_confAttrGreen; + int m_confAttrBlue; + int m_confAttrAlpha; +}; + + +QT_END_NAMESPACE + +#endif //QEGLCONVENIENCE_H diff --git a/src/gui/opengl/platform/egl/qeglpbuffer.cpp b/src/gui/opengl/platform/egl/qeglpbuffer.cpp new file mode 100644 index 0000000000..55e199a6ad --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglpbuffer.cpp @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 <QtGui/qoffscreensurface.h> +#include "qeglpbuffer_p.h" +#include "qeglconvenience_p.h" + +QT_BEGIN_NAMESPACE + +/*! + \class QEGLPbuffer + \brief A pbuffer-based implementation of QPlatformOffscreenSurface for EGL. + \since 5.2 + \internal + \ingroup qpa + + To use this implementation in the platform plugin simply + reimplement QPlatformIntegration::createPlatformOffscreenSurface() + and return a new instance of this class. +*/ + +QEGLPbuffer::QEGLPbuffer(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface, + QEGLPlatformContext::Flags flags) + : QPlatformOffscreenSurface(offscreenSurface) + , m_format(format) + , m_display(display) + , m_pbuffer(EGL_NO_SURFACE) +{ + m_hasSurfaceless = !flags.testFlag(QEGLPlatformContext::NoSurfaceless) + && q_hasEglExtension(display, "EGL_KHR_surfaceless_context"); + + // Disable surfaceless contexts on Mesa for now. As of 10.6.0 and Intel at least, some + // operations (glReadPixels) are unable to work without a surface since they at some + // point temporarily unbind the current FBO and then later blow up in some seemingly + // safe operations, like setting the viewport, that apparently need access to the + // read/draw surface in the Intel backend. + const char *vendor = eglQueryString(display, EGL_VENDOR); // hard to check for GL_ strings here, so blacklist all Mesa + if (vendor && strstr(vendor, "Mesa")) + m_hasSurfaceless = false; + + if (m_hasSurfaceless) + return; + + EGLConfig config = q_configFromGLFormat(m_display, m_format, false, EGL_PBUFFER_BIT); + + if (config) { + const EGLint attributes[] = { + EGL_WIDTH, offscreenSurface->size().width(), + EGL_HEIGHT, offscreenSurface->size().height(), + EGL_LARGEST_PBUFFER, EGL_FALSE, + EGL_NONE + }; + + m_pbuffer = eglCreatePbufferSurface(m_display, config, attributes); + + if (m_pbuffer != EGL_NO_SURFACE) + m_format = q_glFormatFromConfig(m_display, config); + } +} + +QEGLPbuffer::~QEGLPbuffer() +{ + if (m_pbuffer != EGL_NO_SURFACE) + eglDestroySurface(m_display, m_pbuffer); +} + +bool QEGLPbuffer::isValid() const +{ + return m_pbuffer != EGL_NO_SURFACE || m_hasSurfaceless; +} + +QT_END_NAMESPACE diff --git a/src/gui/opengl/platform/egl/qeglpbuffer_p.h b/src/gui/opengl/platform/egl/qeglpbuffer_p.h new file mode 100644 index 0000000000..370c430f38 --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglpbuffer_p.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGLPBUFFER_H +#define QEGLPBUFFER_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 <qpa/qplatformoffscreensurface.h> +#include <QtGui/private/qeglplatformcontext_p.h> + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QEGLPbuffer : public QPlatformOffscreenSurface +{ +public: + QEGLPbuffer(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface, + QEGLPlatformContext::Flags flags = { }); + ~QEGLPbuffer(); + + QSurfaceFormat format() const override { return m_format; } + bool isValid() const override; + + EGLSurface pbuffer() const { return m_pbuffer; } + +private: + QSurfaceFormat m_format; + EGLDisplay m_display; + EGLSurface m_pbuffer; + bool m_hasSurfaceless; +}; + +QT_END_NAMESPACE + +#endif // QEGLPBUFFER_H diff --git a/src/gui/opengl/platform/egl/qeglplatformcontext.cpp b/src/gui/opengl/platform/egl/qeglplatformcontext.cpp new file mode 100644 index 0000000000..561079b48f --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglplatformcontext.cpp @@ -0,0 +1,848 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 "qeglplatformcontext_p.h" +#include "qeglconvenience_p.h" +#include "qeglpbuffer_p.h" +#include <qpa/qplatformwindow.h> +#include <QtGui/qopenglcontext.h> +#include <QtCore/qdebug.h> + +#if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED) +#include <QtCore/private/qjnihelpers_p.h> +#endif +#ifndef Q_OS_WIN +#include <dlfcn.h> +#endif + +QT_BEGIN_NAMESPACE + +/*! + \class QEGLPlatformContext + \brief An EGL context implementation. + \since 5.2 + \internal + \ingroup qpa + + Implement QPlatformOpenGLContext using EGL. To use it in platform + plugins a subclass must be created since + eglSurfaceForPlatformSurface() has to be reimplemented. This + function is used for mapping platform surfaces (windows) to EGL + surfaces and is necessary since different platform plugins may + have different ways of handling native windows (for example, a + plugin may choose not to back every platform window by a real EGL + surface). Other than that, no further customization is necessary. + */ + +// Constants from EGL_KHR_create_context +#ifndef EGL_CONTEXT_MINOR_VERSION_KHR +#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30FB +#endif +#ifndef EGL_CONTEXT_FLAGS_KHR +#define EGL_CONTEXT_FLAGS_KHR 0x30FC +#endif +#ifndef EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR +#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30FD +#endif +#ifndef EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR +#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001 +#endif +#ifndef EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR +#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002 +#endif +#ifndef EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR +#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001 +#endif +#ifndef EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR +#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002 +#endif + +// Constants for OpenGL which are not available in the ES headers. +#ifndef GL_CONTEXT_FLAGS +#define GL_CONTEXT_FLAGS 0x821E +#endif +#ifndef GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT +#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x0001 +#endif +#ifndef GL_CONTEXT_FLAG_DEBUG_BIT +#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002 +#endif +#ifndef GL_CONTEXT_PROFILE_MASK +#define GL_CONTEXT_PROFILE_MASK 0x9126 +#endif +#ifndef GL_CONTEXT_CORE_PROFILE_BIT +#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001 +#endif +#ifndef GL_CONTEXT_COMPATIBILITY_PROFILE_BIT +#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002 +#endif + +QEGLPlatformContext::QEGLPlatformContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display, + EGLConfig *config, Flags flags) + : m_eglDisplay(display) + , m_flags(flags) + , m_ownsContext(true) +{ + m_eglConfig = config ? *config : q_configFromGLFormat(display, format); + + m_format = q_glFormatFromConfig(m_eglDisplay, m_eglConfig, format); + // m_format now has the renderableType() resolved (it cannot be Default anymore) + // but does not yet contain version, profile, options. + m_shareContext = share ? static_cast<QEGLPlatformContext *>(share)->m_eglContext : nullptr; + + QList<EGLint> contextAttrs; + contextAttrs.append(EGL_CONTEXT_CLIENT_VERSION); + contextAttrs.append(format.majorVersion()); + const bool hasKHRCreateContext = q_hasEglExtension(m_eglDisplay, "EGL_KHR_create_context"); + if (hasKHRCreateContext) { + contextAttrs.append(EGL_CONTEXT_MINOR_VERSION_KHR); + contextAttrs.append(format.minorVersion()); + int flags = 0; + // The debug bit is supported both for OpenGL and OpenGL ES. + if (format.testOption(QSurfaceFormat::DebugContext)) + flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; + // The fwdcompat bit is only for OpenGL 3.0+. + if (m_format.renderableType() == QSurfaceFormat::OpenGL + && format.majorVersion() >= 3 + && !format.testOption(QSurfaceFormat::DeprecatedFunctions)) + flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR; + if (flags) { + contextAttrs.append(EGL_CONTEXT_FLAGS_KHR); + contextAttrs.append(flags); + } + // Profiles are OpenGL only and mandatory in 3.2+. The value is silently ignored for < 3.2. + if (m_format.renderableType() == QSurfaceFormat::OpenGL) { + contextAttrs.append(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR); + contextAttrs.append(format.profile() == QSurfaceFormat::CoreProfile + ? EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR + : EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR); + } + } + + // Special Options for OpenVG surfaces + if (m_format.renderableType() == QSurfaceFormat::OpenVG) { + contextAttrs.append(EGL_ALPHA_MASK_SIZE); + contextAttrs.append(8); + } + + contextAttrs.append(EGL_NONE); + m_contextAttrs = contextAttrs; + + switch (m_format.renderableType()) { + case QSurfaceFormat::OpenVG: + m_api = EGL_OPENVG_API; + break; +#ifdef EGL_VERSION_1_4 + case QSurfaceFormat::OpenGL: + m_api = EGL_OPENGL_API; + break; +#endif // EGL_VERSION_1_4 + default: + m_api = EGL_OPENGL_ES_API; + break; + } + + eglBindAPI(m_api); + m_eglContext = eglCreateContext(m_eglDisplay, m_eglConfig, m_shareContext, contextAttrs.constData()); + if (m_eglContext == EGL_NO_CONTEXT && m_shareContext != EGL_NO_CONTEXT) { + m_shareContext = nullptr; + m_eglContext = eglCreateContext(m_eglDisplay, m_eglConfig, nullptr, contextAttrs.constData()); + } + + if (m_eglContext == EGL_NO_CONTEXT) { + qWarning("QEGLPlatformContext: Failed to create context: %x", eglGetError()); + return; + } + + static const bool printConfig = qEnvironmentVariableIntValue("QT_QPA_EGLFS_DEBUG"); + if (printConfig) { + qDebug() << "Created context for format" << format << "with config:"; + q_printEglConfig(m_eglDisplay, m_eglConfig); + } + + // Cannot just call updateFormatFromGL() since it relies on virtuals. Defer it to initialize(). +} + +void QEGLPlatformContext::adopt(EGLContext context, EGLDisplay display, QPlatformOpenGLContext *share) +{ + Q_ASSERT(!m_ownsContext); + + m_eglDisplay = display; + + // Figure out the EGLConfig. + EGLint value = 0; + eglQueryContext(m_eglDisplay, context, EGL_CONFIG_ID, &value); + EGLint n = 0; + EGLConfig cfg; + const EGLint attribs[] = { EGL_CONFIG_ID, value, EGL_NONE }; + if (eglChooseConfig(m_eglDisplay, attribs, &cfg, 1, &n) && n == 1) { + m_eglConfig = cfg; + m_format = q_glFormatFromConfig(m_eglDisplay, m_eglConfig); + } else { + qWarning("QEGLPlatformContext: Failed to get framebuffer configuration for context"); + } + + // Fetch client API type. + value = 0; + eglQueryContext(m_eglDisplay, context, EGL_CONTEXT_CLIENT_TYPE, &value); + if (value == EGL_OPENGL_API || value == EGL_OPENGL_ES_API) { + // if EGL config supports both OpenGL and OpenGL ES render type, + // q_glFormatFromConfig() with the default "referenceFormat" parameter + // will always figure it out as OpenGL render type. + // We can override it to match user's real render type. + if (value == EGL_OPENGL_ES_API) + m_format.setRenderableType(QSurfaceFormat::OpenGLES); + m_api = value; + eglBindAPI(m_api); + } else { + qWarning("QEGLPlatformContext: Failed to get client API type"); + m_api = EGL_OPENGL_ES_API; + } + + m_eglContext = context; + m_shareContext = share ? static_cast<QEGLPlatformContext *>(share)->m_eglContext : nullptr; + updateFormatFromGL(); +} + +void QEGLPlatformContext::initialize() +{ + if (m_eglContext != EGL_NO_CONTEXT) + updateFormatFromGL(); +} + +// Base implementation for pbuffers. Subclasses will handle the specialized cases for +// platforms without pbuffers. +EGLSurface QEGLPlatformContext::createTemporaryOffscreenSurface() +{ + // Make the context current to ensure the GL version query works. This needs a surface too. + const EGLint pbufferAttributes[] = { + EGL_WIDTH, 1, + EGL_HEIGHT, 1, + EGL_LARGEST_PBUFFER, EGL_FALSE, + EGL_NONE + }; + + // Cannot just pass m_eglConfig because it may not be suitable for pbuffers. Instead, + // do what QEGLPbuffer would do: request a config with the same attributes but with + // PBUFFER_BIT set. + EGLConfig config = q_configFromGLFormat(m_eglDisplay, m_format, false, EGL_PBUFFER_BIT); + + return eglCreatePbufferSurface(m_eglDisplay, config, pbufferAttributes); +} + +void QEGLPlatformContext::destroyTemporaryOffscreenSurface(EGLSurface surface) +{ + eglDestroySurface(m_eglDisplay, surface); +} + +void QEGLPlatformContext::runGLChecks() +{ + // Nothing to do here, subclasses may override in order to perform OpenGL + // queries needing a context. +} + +void QEGLPlatformContext::updateFormatFromGL() +{ +#ifndef QT_NO_OPENGL + // Have to save & restore to prevent QOpenGLContext::currentContext() from becoming + // inconsistent after QOpenGLContext::create(). + EGLDisplay prevDisplay = eglGetCurrentDisplay(); + if (prevDisplay == EGL_NO_DISPLAY) // when no context is current + prevDisplay = m_eglDisplay; + EGLContext prevContext = eglGetCurrentContext(); + EGLSurface prevSurfaceDraw = eglGetCurrentSurface(EGL_DRAW); + EGLSurface prevSurfaceRead = eglGetCurrentSurface(EGL_READ); + + // Rely on the surfaceless extension, if available. This is beneficial since we can + // avoid creating an extra pbuffer surface which is apparently troublesome with some + // drivers (Mesa) when certain attributes are present (multisampling). + EGLSurface tempSurface = EGL_NO_SURFACE; + EGLContext tempContext = EGL_NO_CONTEXT; + if (m_flags.testFlag(NoSurfaceless) || !q_hasEglExtension(m_eglDisplay, "EGL_KHR_surfaceless_context")) + tempSurface = createTemporaryOffscreenSurface(); + + EGLBoolean ok = eglMakeCurrent(m_eglDisplay, tempSurface, tempSurface, m_eglContext); + if (!ok) { + EGLConfig config = q_configFromGLFormat(m_eglDisplay, m_format, false, EGL_PBUFFER_BIT); + tempContext = eglCreateContext(m_eglDisplay, config, nullptr, m_contextAttrs.constData()); + if (tempContext != EGL_NO_CONTEXT) + ok = eglMakeCurrent(m_eglDisplay, tempSurface, tempSurface, tempContext); + } + if (ok) { + if (m_format.renderableType() == QSurfaceFormat::OpenGL + || m_format.renderableType() == QSurfaceFormat::OpenGLES) { + const GLubyte *s = glGetString(GL_VERSION); + if (s) { + QByteArray version = QByteArray(reinterpret_cast<const char *>(s)); + int major, minor; + if (QPlatformOpenGLContext::parseOpenGLVersion(version, major, minor)) { + m_format.setMajorVersion(major); + m_format.setMinorVersion(minor); + } + } + m_format.setProfile(QSurfaceFormat::NoProfile); + m_format.setOptions(QSurfaceFormat::FormatOptions()); + if (m_format.renderableType() == QSurfaceFormat::OpenGL) { + // Check profile and options. + if (m_format.majorVersion() < 3) { + m_format.setOption(QSurfaceFormat::DeprecatedFunctions); + } else { + GLint value = 0; + glGetIntegerv(GL_CONTEXT_FLAGS, &value); + if (!(value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)) + m_format.setOption(QSurfaceFormat::DeprecatedFunctions); + if (value & GL_CONTEXT_FLAG_DEBUG_BIT) + m_format.setOption(QSurfaceFormat::DebugContext); + if (m_format.version() >= qMakePair(3, 2)) { + value = 0; + glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &value); + if (value & GL_CONTEXT_CORE_PROFILE_BIT) + m_format.setProfile(QSurfaceFormat::CoreProfile); + else if (value & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT) + m_format.setProfile(QSurfaceFormat::CompatibilityProfile); + } + } + } + } + runGLChecks(); + eglMakeCurrent(prevDisplay, prevSurfaceDraw, prevSurfaceRead, prevContext); + } else { + qWarning("QEGLPlatformContext: Failed to make temporary surface current, format not updated (%x)", eglGetError()); + } + if (tempSurface != EGL_NO_SURFACE) + destroyTemporaryOffscreenSurface(tempSurface); + if (tempContext != EGL_NO_CONTEXT) + eglDestroyContext(m_eglDisplay, tempContext); +#endif // QT_NO_OPENGL +} + +bool QEGLPlatformContext::makeCurrent(QPlatformSurface *surface) +{ + Q_ASSERT(surface->surface()->supportsOpenGL()); + + eglBindAPI(m_api); + + EGLSurface eglSurface = eglSurfaceForPlatformSurface(surface); + + // shortcut: on some GPUs, eglMakeCurrent is not a cheap operation + if (eglGetCurrentContext() == m_eglContext && + eglGetCurrentDisplay() == m_eglDisplay && + eglGetCurrentSurface(EGL_READ) == eglSurface && + eglGetCurrentSurface(EGL_DRAW) == eglSurface) { + return true; + } + + const bool ok = eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_eglContext); + if (ok) { + if (!m_swapIntervalEnvChecked) { + m_swapIntervalEnvChecked = true; + if (qEnvironmentVariableIsSet("QT_QPA_EGLFS_SWAPINTERVAL")) { + QByteArray swapIntervalString = qgetenv("QT_QPA_EGLFS_SWAPINTERVAL"); + bool intervalOk; + const int swapInterval = swapIntervalString.toInt(&intervalOk); + if (intervalOk) + m_swapIntervalFromEnv = swapInterval; + } + } + const int requestedSwapInterval = m_swapIntervalFromEnv >= 0 + ? m_swapIntervalFromEnv + : surface->format().swapInterval(); + if (requestedSwapInterval >= 0 && m_swapInterval != requestedSwapInterval) { + m_swapInterval = requestedSwapInterval; + if (eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context + eglSwapInterval(eglDisplay(), m_swapInterval); + } + } else { + qWarning("QEGLPlatformContext: eglMakeCurrent failed: %x", eglGetError()); + } + + return ok; +} + +QEGLPlatformContext::~QEGLPlatformContext() +{ + if (m_ownsContext && m_eglContext != EGL_NO_CONTEXT) + eglDestroyContext(m_eglDisplay, m_eglContext); + + m_eglContext = EGL_NO_CONTEXT; +} + +void QEGLPlatformContext::doneCurrent() +{ + eglBindAPI(m_api); + bool ok = eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + if (!ok) + qWarning("QEGLPlatformContext: eglMakeCurrent failed: %x", eglGetError()); +} + +void QEGLPlatformContext::swapBuffers(QPlatformSurface *surface) +{ + eglBindAPI(m_api); + EGLSurface eglSurface = eglSurfaceForPlatformSurface(surface); + if (eglSurface != EGL_NO_SURFACE) { // skip if using surfaceless context + bool ok = eglSwapBuffers(m_eglDisplay, eglSurface); + if (!ok) + qWarning("QEGLPlatformContext: eglSwapBuffers failed: %x", eglGetError()); + } +} + +QFunctionPointer QEGLPlatformContext::getProcAddress(const char *procName) +{ + eglBindAPI(m_api); + QFunctionPointer proc = (QFunctionPointer) eglGetProcAddress(procName); +#if !defined(Q_OS_WIN) && !defined(Q_OS_INTEGRITY) + if (!proc) + proc = (QFunctionPointer) dlsym(RTLD_DEFAULT, procName); +#elif !defined(QT_OPENGL_DYNAMIC) + // On systems without KHR_get_all_proc_addresses and without + // dynamic linking there still has to be a way to access the + // standard GLES functions. QOpenGL(Extra)Functions never makes + // direct GL API calls since Qt 5.7, so all such workarounds are + // expected to be handled in the platform plugin. + if (!proc) { + static struct StdFunc { + const char *name; + QFunctionPointer func; + } standardFuncs[] = { +#if QT_CONFIG(opengles2) + { "glBindTexture", (QFunctionPointer) ::glBindTexture }, + { "glBlendFunc", (QFunctionPointer) ::glBlendFunc }, + { "glClear", (QFunctionPointer) ::glClear }, + { "glClearColor", (QFunctionPointer) ::glClearColor }, + { "glClearStencil", (QFunctionPointer) ::glClearStencil }, + { "glColorMask", (QFunctionPointer) ::glColorMask }, + { "glCopyTexImage2D", (QFunctionPointer) ::glCopyTexImage2D }, + { "glCopyTexSubImage2D", (QFunctionPointer) ::glCopyTexSubImage2D }, + { "glCullFace", (QFunctionPointer) ::glCullFace }, + { "glDeleteTextures", (QFunctionPointer) ::glDeleteTextures }, + { "glDepthFunc", (QFunctionPointer) ::glDepthFunc }, + { "glDepthMask", (QFunctionPointer) ::glDepthMask }, + { "glDisable", (QFunctionPointer) ::glDisable }, + { "glDrawArrays", (QFunctionPointer) ::glDrawArrays }, + { "glDrawElements", (QFunctionPointer) ::glDrawElements }, + { "glEnable", (QFunctionPointer) ::glEnable }, + { "glFinish", (QFunctionPointer) ::glFinish }, + { "glFlush", (QFunctionPointer) ::glFlush }, + { "glFrontFace", (QFunctionPointer) ::glFrontFace }, + { "glGenTextures", (QFunctionPointer) ::glGenTextures }, + { "glGetBooleanv", (QFunctionPointer) ::glGetBooleanv }, + { "glGetError", (QFunctionPointer) ::glGetError }, + { "glGetFloatv", (QFunctionPointer) ::glGetFloatv }, + { "glGetIntegerv", (QFunctionPointer) ::glGetIntegerv }, + { "glGetString", (QFunctionPointer) ::glGetString }, + { "glGetTexParameterfv", (QFunctionPointer) ::glGetTexParameterfv }, + { "glGetTexParameteriv", (QFunctionPointer) ::glGetTexParameteriv }, + { "glHint", (QFunctionPointer) ::glHint }, + { "glIsEnabled", (QFunctionPointer) ::glIsEnabled }, + { "glIsTexture", (QFunctionPointer) ::glIsTexture }, + { "glLineWidth", (QFunctionPointer) ::glLineWidth }, + { "glPixelStorei", (QFunctionPointer) ::glPixelStorei }, + { "glPolygonOffset", (QFunctionPointer) ::glPolygonOffset }, + { "glReadPixels", (QFunctionPointer) ::glReadPixels }, + { "glScissor", (QFunctionPointer) ::glScissor }, + { "glStencilFunc", (QFunctionPointer) ::glStencilFunc }, + { "glStencilMask", (QFunctionPointer) ::glStencilMask }, + { "glStencilOp", (QFunctionPointer) ::glStencilOp }, + { "glTexImage2D", (QFunctionPointer) ::glTexImage2D }, + { "glTexParameterf", (QFunctionPointer) ::glTexParameterf }, + { "glTexParameterfv", (QFunctionPointer) ::glTexParameterfv }, + { "glTexParameteri", (QFunctionPointer) ::glTexParameteri }, + { "glTexParameteriv", (QFunctionPointer) ::glTexParameteriv }, + { "glTexSubImage2D", (QFunctionPointer) ::glTexSubImage2D }, + { "glViewport", (QFunctionPointer) ::glViewport }, + + { "glActiveTexture", (QFunctionPointer) ::glActiveTexture }, + { "glAttachShader", (QFunctionPointer) ::glAttachShader }, + { "glBindAttribLocation", (QFunctionPointer) ::glBindAttribLocation }, + { "glBindBuffer", (QFunctionPointer) ::glBindBuffer }, + { "glBindFramebuffer", (QFunctionPointer) ::glBindFramebuffer }, + { "glBindRenderbuffer", (QFunctionPointer) ::glBindRenderbuffer }, + { "glBlendColor", (QFunctionPointer) ::glBlendColor }, + { "glBlendEquation", (QFunctionPointer) ::glBlendEquation }, + { "glBlendEquationSeparate", (QFunctionPointer) ::glBlendEquationSeparate }, + { "glBlendFuncSeparate", (QFunctionPointer) ::glBlendFuncSeparate }, + { "glBufferData", (QFunctionPointer) ::glBufferData }, + { "glBufferSubData", (QFunctionPointer) ::glBufferSubData }, + { "glCheckFramebufferStatus", (QFunctionPointer) ::glCheckFramebufferStatus }, + { "glCompileShader", (QFunctionPointer) ::glCompileShader }, + { "glCompressedTexImage2D", (QFunctionPointer) ::glCompressedTexImage2D }, + { "glCompressedTexSubImage2D", (QFunctionPointer) ::glCompressedTexSubImage2D }, + { "glCreateProgram", (QFunctionPointer) ::glCreateProgram }, + { "glCreateShader", (QFunctionPointer) ::glCreateShader }, + { "glDeleteBuffers", (QFunctionPointer) ::glDeleteBuffers }, + { "glDeleteFramebuffers", (QFunctionPointer) ::glDeleteFramebuffers }, + { "glDeleteProgram", (QFunctionPointer) ::glDeleteProgram }, + { "glDeleteRenderbuffers", (QFunctionPointer) ::glDeleteRenderbuffers }, + { "glDeleteShader", (QFunctionPointer) ::glDeleteShader }, + { "glDetachShader", (QFunctionPointer) ::glDetachShader }, + { "glDisableVertexAttribArray", (QFunctionPointer) ::glDisableVertexAttribArray }, + { "glEnableVertexAttribArray", (QFunctionPointer) ::glEnableVertexAttribArray }, + { "glFramebufferRenderbuffer", (QFunctionPointer) ::glFramebufferRenderbuffer }, + { "glFramebufferTexture2D", (QFunctionPointer) ::glFramebufferTexture2D }, + { "glGenBuffers", (QFunctionPointer) ::glGenBuffers }, + { "glGenerateMipmap", (QFunctionPointer) ::glGenerateMipmap }, + { "glGenFramebuffers", (QFunctionPointer) ::glGenFramebuffers }, + { "glGenRenderbuffers", (QFunctionPointer) ::glGenRenderbuffers }, + { "glGetActiveAttrib", (QFunctionPointer) ::glGetActiveAttrib }, + { "glGetActiveUniform", (QFunctionPointer) ::glGetActiveUniform }, + { "glGetAttachedShaders", (QFunctionPointer) ::glGetAttachedShaders }, + { "glGetAttribLocation", (QFunctionPointer) ::glGetAttribLocation }, + { "glGetBufferParameteriv", (QFunctionPointer) ::glGetBufferParameteriv }, + { "glGetFramebufferAttachmentParameteriv", (QFunctionPointer) ::glGetFramebufferAttachmentParameteriv }, + { "glGetProgramiv", (QFunctionPointer) ::glGetProgramiv }, + { "glGetProgramInfoLog", (QFunctionPointer) ::glGetProgramInfoLog }, + { "glGetRenderbufferParameteriv", (QFunctionPointer) ::glGetRenderbufferParameteriv }, + { "glGetShaderiv", (QFunctionPointer) ::glGetShaderiv }, + { "glGetShaderInfoLog", (QFunctionPointer) ::glGetShaderInfoLog }, + { "glGetShaderPrecisionFormat", (QFunctionPointer) ::glGetShaderPrecisionFormat }, + { "glGetShaderSource", (QFunctionPointer) ::glGetShaderSource }, + { "glGetUniformfv", (QFunctionPointer) ::glGetUniformfv }, + { "glGetUniformiv", (QFunctionPointer) ::glGetUniformiv }, + { "glGetUniformLocation", (QFunctionPointer) ::glGetUniformLocation }, + { "glGetVertexAttribfv", (QFunctionPointer) ::glGetVertexAttribfv }, + { "glGetVertexAttribiv", (QFunctionPointer) ::glGetVertexAttribiv }, + { "glGetVertexAttribPointerv", (QFunctionPointer) ::glGetVertexAttribPointerv }, + { "glIsBuffer", (QFunctionPointer) ::glIsBuffer }, + { "glIsFramebuffer", (QFunctionPointer) ::glIsFramebuffer }, + { "glIsProgram", (QFunctionPointer) ::glIsProgram }, + { "glIsRenderbuffer", (QFunctionPointer) ::glIsRenderbuffer }, + { "glIsShader", (QFunctionPointer) ::glIsShader }, + { "glLinkProgram", (QFunctionPointer) ::glLinkProgram }, + { "glReleaseShaderCompiler", (QFunctionPointer) ::glReleaseShaderCompiler }, + { "glRenderbufferStorage", (QFunctionPointer) ::glRenderbufferStorage }, + { "glSampleCoverage", (QFunctionPointer) ::glSampleCoverage }, + { "glShaderBinary", (QFunctionPointer) ::glShaderBinary }, + { "glShaderSource", (QFunctionPointer) ::glShaderSource }, + { "glStencilFuncSeparate", (QFunctionPointer) ::glStencilFuncSeparate }, + { "glStencilMaskSeparate", (QFunctionPointer) ::glStencilMaskSeparate }, + { "glStencilOpSeparate", (QFunctionPointer) ::glStencilOpSeparate }, + { "glUniform1f", (QFunctionPointer) ::glUniform1f }, + { "glUniform1fv", (QFunctionPointer) ::glUniform1fv }, + { "glUniform1i", (QFunctionPointer) ::glUniform1i }, + { "glUniform1iv", (QFunctionPointer) ::glUniform1iv }, + { "glUniform2f", (QFunctionPointer) ::glUniform2f }, + { "glUniform2fv", (QFunctionPointer) ::glUniform2fv }, + { "glUniform2i", (QFunctionPointer) ::glUniform2i }, + { "glUniform2iv", (QFunctionPointer) ::glUniform2iv }, + { "glUniform3f", (QFunctionPointer) ::glUniform3f }, + { "glUniform3fv", (QFunctionPointer) ::glUniform3fv }, + { "glUniform3i", (QFunctionPointer) ::glUniform3i }, + { "glUniform3iv", (QFunctionPointer) ::glUniform3iv }, + { "glUniform4f", (QFunctionPointer) ::glUniform4f }, + { "glUniform4fv", (QFunctionPointer) ::glUniform4fv }, + { "glUniform4i", (QFunctionPointer) ::glUniform4i }, + { "glUniform4iv", (QFunctionPointer) ::glUniform4iv }, + { "glUniformMatrix2fv", (QFunctionPointer) ::glUniformMatrix2fv }, + { "glUniformMatrix3fv", (QFunctionPointer) ::glUniformMatrix3fv }, + { "glUniformMatrix4fv", (QFunctionPointer) ::glUniformMatrix4fv }, + { "glUseProgram", (QFunctionPointer) ::glUseProgram }, + { "glValidateProgram", (QFunctionPointer) ::glValidateProgram }, + { "glVertexAttrib1f", (QFunctionPointer) ::glVertexAttrib1f }, + { "glVertexAttrib1fv", (QFunctionPointer) ::glVertexAttrib1fv }, + { "glVertexAttrib2f", (QFunctionPointer) ::glVertexAttrib2f }, + { "glVertexAttrib2fv", (QFunctionPointer) ::glVertexAttrib2fv }, + { "glVertexAttrib3f", (QFunctionPointer) ::glVertexAttrib3f }, + { "glVertexAttrib3fv", (QFunctionPointer) ::glVertexAttrib3fv }, + { "glVertexAttrib4f", (QFunctionPointer) ::glVertexAttrib4f }, + { "glVertexAttrib4fv", (QFunctionPointer) ::glVertexAttrib4fv }, + { "glVertexAttribPointer", (QFunctionPointer) ::glVertexAttribPointer }, + + { "glClearDepthf", (QFunctionPointer) ::glClearDepthf }, + { "glDepthRangef", (QFunctionPointer) ::glDepthRangef }, +#endif // QT_CONFIG(opengles2) + +#if QT_CONFIG(opengles3) + { "glBeginQuery", (QFunctionPointer) ::glBeginQuery }, + { "glBeginTransformFeedback", (QFunctionPointer) ::glBeginTransformFeedback }, + { "glBindBufferBase", (QFunctionPointer) ::glBindBufferBase }, + { "glBindBufferRange", (QFunctionPointer) ::glBindBufferRange }, + { "glBindSampler", (QFunctionPointer) ::glBindSampler }, + { "glBindTransformFeedback", (QFunctionPointer) ::glBindTransformFeedback }, + { "glBindVertexArray", (QFunctionPointer) ::glBindVertexArray }, + { "glBlitFramebuffer", (QFunctionPointer) ::glBlitFramebuffer }, + { "glClearBufferfi", (QFunctionPointer) ::glClearBufferfi }, + { "glClearBufferfv", (QFunctionPointer) ::glClearBufferfv }, + { "glClearBufferiv", (QFunctionPointer) ::glClearBufferiv }, + { "glClearBufferuiv", (QFunctionPointer) ::glClearBufferuiv }, + { "glClientWaitSync", (QFunctionPointer) ::glClientWaitSync }, + { "glCompressedTexImage3D", (QFunctionPointer) ::glCompressedTexImage3D }, + { "glCompressedTexSubImage3D", (QFunctionPointer) ::glCompressedTexSubImage3D }, + { "glCopyBufferSubData", (QFunctionPointer) ::glCopyBufferSubData }, + { "glCopyTexSubImage3D", (QFunctionPointer) ::glCopyTexSubImage3D }, + { "glDeleteQueries", (QFunctionPointer) ::glDeleteQueries }, + { "glDeleteSamplers", (QFunctionPointer) ::glDeleteSamplers }, + { "glDeleteSync", (QFunctionPointer) ::glDeleteSync }, + { "glDeleteTransformFeedbacks", (QFunctionPointer) ::glDeleteTransformFeedbacks }, + { "glDeleteVertexArrays", (QFunctionPointer) ::glDeleteVertexArrays }, + { "glDrawArraysInstanced", (QFunctionPointer) ::glDrawArraysInstanced }, + { "glDrawBuffers", (QFunctionPointer) ::glDrawBuffers }, + { "glDrawElementsInstanced", (QFunctionPointer) ::glDrawElementsInstanced }, + { "glDrawRangeElements", (QFunctionPointer) ::glDrawRangeElements }, + { "glEndQuery", (QFunctionPointer) ::glEndQuery }, + { "glEndTransformFeedback", (QFunctionPointer) ::glEndTransformFeedback }, + { "glFenceSync", (QFunctionPointer) ::glFenceSync }, + { "glFlushMappedBufferRange", (QFunctionPointer) ::glFlushMappedBufferRange }, + { "glFramebufferTextureLayer", (QFunctionPointer) ::glFramebufferTextureLayer }, + { "glGenQueries", (QFunctionPointer) ::glGenQueries }, + { "glGenSamplers", (QFunctionPointer) ::glGenSamplers }, + { "glGenTransformFeedbacks", (QFunctionPointer) ::glGenTransformFeedbacks }, + { "glGenVertexArrays", (QFunctionPointer) ::glGenVertexArrays }, + { "glGetActiveUniformBlockName", (QFunctionPointer) ::glGetActiveUniformBlockName }, + { "glGetActiveUniformBlockiv", (QFunctionPointer) ::glGetActiveUniformBlockiv }, + { "glGetActiveUniformsiv", (QFunctionPointer) ::glGetActiveUniformsiv }, + { "glGetBufferParameteri64v", (QFunctionPointer) ::glGetBufferParameteri64v }, + { "glGetBufferPointerv", (QFunctionPointer) ::glGetBufferPointerv }, + { "glGetFragDataLocation", (QFunctionPointer) ::glGetFragDataLocation }, + { "glGetInteger64i_v", (QFunctionPointer) ::glGetInteger64i_v }, + { "glGetInteger64v", (QFunctionPointer) ::glGetInteger64v }, + { "glGetIntegeri_v", (QFunctionPointer) ::glGetIntegeri_v }, + { "glGetInternalformativ", (QFunctionPointer) ::glGetInternalformativ }, + { "glGetProgramBinary", (QFunctionPointer) ::glGetProgramBinary }, + { "glGetQueryObjectuiv", (QFunctionPointer) ::glGetQueryObjectuiv }, + { "glGetQueryiv", (QFunctionPointer) ::glGetQueryiv }, + { "glGetSamplerParameterfv", (QFunctionPointer) ::glGetSamplerParameterfv }, + { "glGetSamplerParameteriv", (QFunctionPointer) ::glGetSamplerParameteriv }, + { "glGetStringi", (QFunctionPointer) ::glGetStringi }, + { "glGetSynciv", (QFunctionPointer) ::glGetSynciv }, + { "glGetTransformFeedbackVarying", (QFunctionPointer) ::glGetTransformFeedbackVarying }, + { "glGetUniformBlockIndex", (QFunctionPointer) ::glGetUniformBlockIndex }, + { "glGetUniformIndices", (QFunctionPointer) ::glGetUniformIndices }, + { "glGetUniformuiv", (QFunctionPointer) ::glGetUniformuiv }, + { "glGetVertexAttribIiv", (QFunctionPointer) ::glGetVertexAttribIiv }, + { "glGetVertexAttribIuiv", (QFunctionPointer) ::glGetVertexAttribIuiv }, + { "glInvalidateFramebuffer", (QFunctionPointer) ::glInvalidateFramebuffer }, + { "glInvalidateSubFramebuffer", (QFunctionPointer) ::glInvalidateSubFramebuffer }, + { "glIsQuery", (QFunctionPointer) ::glIsQuery }, + { "glIsSampler", (QFunctionPointer) ::glIsSampler }, + { "glIsSync", (QFunctionPointer) ::glIsSync }, + { "glIsTransformFeedback", (QFunctionPointer) ::glIsTransformFeedback }, + { "glIsVertexArray", (QFunctionPointer) ::glIsVertexArray }, + { "glMapBufferRange", (QFunctionPointer) ::glMapBufferRange }, + { "glPauseTransformFeedback", (QFunctionPointer) ::glPauseTransformFeedback }, + { "glProgramBinary", (QFunctionPointer) ::glProgramBinary }, + { "glProgramParameteri", (QFunctionPointer) ::glProgramParameteri }, + { "glReadBuffer", (QFunctionPointer) ::glReadBuffer }, + { "glRenderbufferStorageMultisample", (QFunctionPointer) ::glRenderbufferStorageMultisample }, + { "glResumeTransformFeedback", (QFunctionPointer) ::glResumeTransformFeedback }, + { "glSamplerParameterf", (QFunctionPointer) ::glSamplerParameterf }, + { "glSamplerParameterfv", (QFunctionPointer) ::glSamplerParameterfv }, + { "glSamplerParameteri", (QFunctionPointer) ::glSamplerParameteri }, + { "glSamplerParameteriv", (QFunctionPointer) ::glSamplerParameteriv }, + { "glTexImage3D", (QFunctionPointer) ::glTexImage3D }, + { "glTexStorage2D", (QFunctionPointer) ::glTexStorage2D }, + { "glTexStorage3D", (QFunctionPointer) ::glTexStorage3D }, + { "glTexSubImage3D", (QFunctionPointer) ::glTexSubImage3D }, + { "glTransformFeedbackVaryings", (QFunctionPointer) ::glTransformFeedbackVaryings }, + { "glUniform1ui", (QFunctionPointer) ::glUniform1ui }, + { "glUniform1uiv", (QFunctionPointer) ::glUniform1uiv }, + { "glUniform2ui", (QFunctionPointer) ::glUniform2ui }, + { "glUniform2uiv", (QFunctionPointer) ::glUniform2uiv }, + { "glUniform3ui", (QFunctionPointer) ::glUniform3ui }, + { "glUniform3uiv", (QFunctionPointer) ::glUniform3uiv }, + { "glUniform4ui", (QFunctionPointer) ::glUniform4ui }, + { "glUniform4uiv", (QFunctionPointer) ::glUniform4uiv }, + { "glUniformBlockBinding", (QFunctionPointer) ::glUniformBlockBinding }, + { "glUniformMatrix2x3fv", (QFunctionPointer) ::glUniformMatrix2x3fv }, + { "glUniformMatrix2x4fv", (QFunctionPointer) ::glUniformMatrix2x4fv }, + { "glUniformMatrix3x2fv", (QFunctionPointer) ::glUniformMatrix3x2fv }, + { "glUniformMatrix3x4fv", (QFunctionPointer) ::glUniformMatrix3x4fv }, + { "glUniformMatrix4x2fv", (QFunctionPointer) ::glUniformMatrix4x2fv }, + { "glUniformMatrix4x3fv", (QFunctionPointer) ::glUniformMatrix4x3fv }, + { "glUnmapBuffer", (QFunctionPointer) ::glUnmapBuffer }, + { "glVertexAttribDivisor", (QFunctionPointer) ::glVertexAttribDivisor }, + { "glVertexAttribI4i", (QFunctionPointer) ::glVertexAttribI4i }, + { "glVertexAttribI4iv", (QFunctionPointer) ::glVertexAttribI4iv }, + { "glVertexAttribI4ui", (QFunctionPointer) ::glVertexAttribI4ui }, + { "glVertexAttribI4uiv", (QFunctionPointer) ::glVertexAttribI4uiv }, + { "glVertexAttribIPointer", (QFunctionPointer) ::glVertexAttribIPointer }, + { "glWaitSync", (QFunctionPointer) ::glWaitSync }, +#endif // QT_CONFIG(opengles3) + +#if QT_CONFIG(opengles31) + { "glActiveShaderProgram", (QFunctionPointer) ::glActiveShaderProgram }, + { "glBindImageTexture", (QFunctionPointer) ::glBindImageTexture }, + { "glBindProgramPipeline", (QFunctionPointer) ::glBindProgramPipeline }, + { "glBindVertexBuffer", (QFunctionPointer) ::glBindVertexBuffer }, + { "glCreateShaderProgramv", (QFunctionPointer) ::glCreateShaderProgramv }, + { "glDeleteProgramPipelines", (QFunctionPointer) ::glDeleteProgramPipelines }, + { "glDispatchCompute", (QFunctionPointer) ::glDispatchCompute }, + { "glDispatchComputeIndirect", (QFunctionPointer) ::glDispatchComputeIndirect }, + { "glDrawArraysIndirect", (QFunctionPointer) ::glDrawArraysIndirect }, + { "glDrawElementsIndirect", (QFunctionPointer) ::glDrawElementsIndirect }, + { "glFramebufferParameteri", (QFunctionPointer) ::glFramebufferParameteri }, + { "glGenProgramPipelines", (QFunctionPointer) ::glGenProgramPipelines }, + { "glGetBooleani_v", (QFunctionPointer) ::glGetBooleani_v }, + { "glGetFramebufferParameteriv", (QFunctionPointer) ::glGetFramebufferParameteriv }, + { "glGetMultisamplefv", (QFunctionPointer) ::glGetMultisamplefv }, + { "glGetProgramInterfaceiv", (QFunctionPointer) ::glGetProgramInterfaceiv }, + { "glGetProgramPipelineInfoLog", (QFunctionPointer) ::glGetProgramPipelineInfoLog }, + { "glGetProgramPipelineiv", (QFunctionPointer) ::glGetProgramPipelineiv }, + { "glGetProgramResourceIndex", (QFunctionPointer) ::glGetProgramResourceIndex }, + { "glGetProgramResourceLocation", (QFunctionPointer) ::glGetProgramResourceLocation }, + { "glGetProgramResourceName", (QFunctionPointer) ::glGetProgramResourceName }, + { "glGetProgramResourceiv", (QFunctionPointer) ::glGetProgramResourceiv }, + { "glGetTexLevelParameterfv", (QFunctionPointer) ::glGetTexLevelParameterfv }, + { "glGetTexLevelParameteriv", (QFunctionPointer) ::glGetTexLevelParameteriv }, + { "glIsProgramPipeline", (QFunctionPointer) ::glIsProgramPipeline }, + { "glMemoryBarrier", (QFunctionPointer) ::glMemoryBarrier }, + { "glMemoryBarrierByRegion", (QFunctionPointer) ::glMemoryBarrierByRegion }, + { "glProgramUniform1f", (QFunctionPointer) ::glProgramUniform1f }, + { "glProgramUniform1fv", (QFunctionPointer) ::glProgramUniform1fv }, + { "glProgramUniform1i", (QFunctionPointer) ::glProgramUniform1i }, + { "glProgramUniform1iv", (QFunctionPointer) ::glProgramUniform1iv }, + { "glProgramUniform1ui", (QFunctionPointer) ::glProgramUniform1ui }, + { "glProgramUniform1uiv", (QFunctionPointer) ::glProgramUniform1uiv }, + { "glProgramUniform2f", (QFunctionPointer) ::glProgramUniform2f }, + { "glProgramUniform2fv", (QFunctionPointer) ::glProgramUniform2fv }, + { "glProgramUniform2i", (QFunctionPointer) ::glProgramUniform2i }, + { "glProgramUniform2iv", (QFunctionPointer) ::glProgramUniform2iv }, + { "glProgramUniform2ui", (QFunctionPointer) ::glProgramUniform2ui }, + { "glProgramUniform2uiv", (QFunctionPointer) ::glProgramUniform2uiv }, + { "glProgramUniform3f", (QFunctionPointer) ::glProgramUniform3f }, + { "glProgramUniform3fv", (QFunctionPointer) ::glProgramUniform3fv }, + { "glProgramUniform3i", (QFunctionPointer) ::glProgramUniform3i }, + { "glProgramUniform3iv", (QFunctionPointer) ::glProgramUniform3iv }, + { "glProgramUniform3ui", (QFunctionPointer) ::glProgramUniform3ui }, + { "glProgramUniform3uiv", (QFunctionPointer) ::glProgramUniform3uiv }, + { "glProgramUniform4f", (QFunctionPointer) ::glProgramUniform4f }, + { "glProgramUniform4fv", (QFunctionPointer) ::glProgramUniform4fv }, + { "glProgramUniform4i", (QFunctionPointer) ::glProgramUniform4i }, + { "glProgramUniform4iv", (QFunctionPointer) ::glProgramUniform4iv }, + { "glProgramUniform4ui", (QFunctionPointer) ::glProgramUniform4ui }, + { "glProgramUniform4uiv", (QFunctionPointer) ::glProgramUniform4uiv }, + { "glProgramUniformMatrix2fv", (QFunctionPointer) ::glProgramUniformMatrix2fv }, + { "glProgramUniformMatrix2x3fv", (QFunctionPointer) ::glProgramUniformMatrix2x3fv }, + { "glProgramUniformMatrix2x4fv", (QFunctionPointer) ::glProgramUniformMatrix2x4fv }, + { "glProgramUniformMatrix3fv", (QFunctionPointer) ::glProgramUniformMatrix3fv }, + { "glProgramUniformMatrix3x2fv", (QFunctionPointer) ::glProgramUniformMatrix3x2fv }, + { "glProgramUniformMatrix3x4fv", (QFunctionPointer) ::glProgramUniformMatrix3x4fv }, + { "glProgramUniformMatrix4fv", (QFunctionPointer) ::glProgramUniformMatrix4fv }, + { "glProgramUniformMatrix4x2fv", (QFunctionPointer) ::glProgramUniformMatrix4x2fv }, + { "glProgramUniformMatrix4x3fv", (QFunctionPointer) ::glProgramUniformMatrix4x3fv }, + { "glSampleMaski", (QFunctionPointer) ::glSampleMaski }, + { "glTexStorage2DMultisample", (QFunctionPointer) ::glTexStorage2DMultisample }, + { "glUseProgramStages", (QFunctionPointer) ::glUseProgramStages }, + { "glValidateProgramPipeline", (QFunctionPointer) ::glValidateProgramPipeline }, + { "glVertexAttribBinding", (QFunctionPointer) ::glVertexAttribBinding }, + { "glVertexAttribFormat", (QFunctionPointer) ::glVertexAttribFormat }, + { "glVertexAttribIFormat", (QFunctionPointer) ::glVertexAttribIFormat }, + { "glVertexBindingDivisor", (QFunctionPointer) ::glVertexBindingDivisor }, +#endif // QT_CONFIG(opengles31) + +#if QT_CONFIG(opengles32) + { "glBlendBarrier", (QFunctionPointer) ::glBlendBarrier }, + { "glCopyImageSubData", (QFunctionPointer) ::glCopyImageSubData }, + { "glDebugMessageControl", (QFunctionPointer) ::glDebugMessageControl }, + { "glDebugMessageInsert", (QFunctionPointer) ::glDebugMessageInsert }, + { "glDebugMessageCallback", (QFunctionPointer) ::glDebugMessageCallback }, + { "glGetDebugMessageLog", (QFunctionPointer) ::glGetDebugMessageLog }, + { "glPushDebugGroup", (QFunctionPointer) ::glPushDebugGroup }, + { "glPopDebugGroup", (QFunctionPointer) ::glPopDebugGroup }, + { "glObjectLabel", (QFunctionPointer) ::glObjectLabel }, + { "glGetObjectLabel", (QFunctionPointer) ::glGetObjectLabel }, + { "glObjectPtrLabel", (QFunctionPointer) ::glObjectPtrLabel }, + { "glGetObjectPtrLabel", (QFunctionPointer) ::glGetObjectPtrLabel }, + { "glGetPointerv", (QFunctionPointer) ::glGetPointerv }, + { "glEnablei", (QFunctionPointer) ::glEnablei }, + { "glDisablei", (QFunctionPointer) ::glDisablei }, + { "glBlendEquationi", (QFunctionPointer) ::glBlendEquationi }, + { "glBlendEquationSeparatei", (QFunctionPointer) ::glBlendEquationSeparatei }, + { "glBlendFunci", (QFunctionPointer) ::glBlendFunci }, + { "glBlendFuncSeparatei", (QFunctionPointer) ::glBlendFuncSeparatei }, + { "glColorMaski", (QFunctionPointer) ::glColorMaski }, + { "glIsEnabledi", (QFunctionPointer) ::glIsEnabledi }, + { "glDrawElementsBaseVertex", (QFunctionPointer) ::glDrawElementsBaseVertex }, + { "glDrawRangeElementsBaseVertex", (QFunctionPointer) ::glDrawRangeElementsBaseVertex }, + { "glDrawElementsInstancedBaseVertex", (QFunctionPointer) ::glDrawElementsInstancedBaseVertex }, + { "glFramebufferTexture", (QFunctionPointer) ::glFramebufferTexture }, + { "glPrimitiveBoundingBox", (QFunctionPointer) ::glPrimitiveBoundingBox }, + { "glGetGraphicsResetStatus", (QFunctionPointer) ::glGetGraphicsResetStatus }, + { "glReadnPixels", (QFunctionPointer) ::glReadnPixels }, + { "glGetnUniformfv", (QFunctionPointer) ::glGetnUniformfv }, + { "glGetnUniformiv", (QFunctionPointer) ::glGetnUniformiv }, + { "glGetnUniformuiv", (QFunctionPointer) ::glGetnUniformuiv }, + { "glMinSampleShading", (QFunctionPointer) ::glMinSampleShading }, + { "glPatchParameteri", (QFunctionPointer) ::glPatchParameteri }, + { "glTexParameterIiv", (QFunctionPointer) ::glTexParameterIiv }, + { "glTexParameterIuiv", (QFunctionPointer) ::glTexParameterIuiv }, + { "glGetTexParameterIiv", (QFunctionPointer) ::glGetTexParameterIiv }, + { "glGetTexParameterIuiv", (QFunctionPointer) ::glGetTexParameterIuiv }, + { "glSamplerParameterIiv", (QFunctionPointer) ::glSamplerParameterIiv }, + { "glSamplerParameterIuiv", (QFunctionPointer) ::glSamplerParameterIuiv }, + { "glGetSamplerParameterIiv", (QFunctionPointer) ::glGetSamplerParameterIiv }, + { "glGetSamplerParameterIuiv", (QFunctionPointer) ::glGetSamplerParameterIuiv }, + { "glTexBuffer", (QFunctionPointer) ::glTexBuffer }, + { "glTexBufferRange", (QFunctionPointer) ::glTexBufferRange }, + { "glTexStorage3DMultisample", (QFunctionPointer) ::glTexStorage3DMultisample }, +#endif // QT_CONFIG(opengles32) + }; + + for (size_t i = 0; i < sizeof(standardFuncs) / sizeof(StdFunc); ++i) { + if (!qstrcmp(procName, standardFuncs[i].name)) { + proc = standardFuncs[i].func; + break; + } + } + } +#endif + + return proc; +} + +QSurfaceFormat QEGLPlatformContext::format() const +{ + return m_format; +} + +EGLContext QEGLPlatformContext::eglContext() const +{ + return m_eglContext; +} + +EGLDisplay QEGLPlatformContext::eglDisplay() const +{ + return m_eglDisplay; +} + +EGLConfig QEGLPlatformContext::eglConfig() const +{ + return m_eglConfig; +} + +QT_END_NAMESPACE diff --git a/src/gui/opengl/platform/egl/qeglplatformcontext_p.h b/src/gui/opengl/platform/egl/qeglplatformcontext_p.h new file mode 100644 index 0000000000..899f4b5c9f --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglplatformcontext_p.h @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGLPLATFORMCONTEXT_H +#define QEGLPLATFORMCONTEXT_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 <QtCore/qtextstream.h> +#include <qpa/qplatformwindow.h> +#include <qpa/qplatformopenglcontext.h> +#include <QtCore/qvariant.h> +#include <QtGui/private/qt_egl_p.h> +#include <QtGui/private/qopenglcontext_p.h> + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QEGLPlatformContext : public QPlatformOpenGLContext, + public QPlatformInterface::QEGLContext +{ +public: + enum Flag { + NoSurfaceless = 0x01 + }; + Q_DECLARE_FLAGS(Flags, Flag) + + QEGLPlatformContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display, + EGLConfig *config = nullptr, Flags flags = { }); + + template <typename T> + static QOpenGLContext *createFrom(EGLContext context, EGLDisplay contextDisplay, + EGLDisplay platformDisplay, QOpenGLContext *shareContext) + { + if (!context) + return nullptr; + + // A context belonging to a given EGLDisplay cannot be used with another one + if (contextDisplay != platformDisplay) { + qWarning("QEGLPlatformContext: Cannot adopt context from different display"); + return nullptr; + } + + QPlatformOpenGLContext *shareHandle = shareContext ? shareContext->handle() : nullptr; + + auto *resultingContext = new QOpenGLContext; + auto *contextPrivate = QOpenGLContextPrivate::get(resultingContext); + auto *platformContext = new T; + platformContext->adopt(context, contextDisplay, shareHandle); + contextPrivate->adopt(platformContext); + return resultingContext; + } + + ~QEGLPlatformContext(); + + void initialize() override; + bool makeCurrent(QPlatformSurface *surface) override; + void doneCurrent() override; + void swapBuffers(QPlatformSurface *surface) override; + QFunctionPointer getProcAddress(const char *procName) override; + + QSurfaceFormat format() const override; + bool isSharing() const override { return m_shareContext != EGL_NO_CONTEXT; } + bool isValid() const override { return m_eglContext != EGL_NO_CONTEXT; } + + EGLContext nativeContext() const override { return eglContext(); } + + EGLContext eglContext() const; + EGLDisplay eglDisplay() const; + EGLConfig eglConfig() const; + +protected: + QEGLPlatformContext() {} // For adoption + virtual EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface) = 0; + virtual EGLSurface createTemporaryOffscreenSurface(); + virtual void destroyTemporaryOffscreenSurface(EGLSurface surface); + virtual void runGLChecks(); + +private: + void adopt(EGLContext context, EGLDisplay display, QPlatformOpenGLContext *shareContext); + void updateFormatFromGL(); + + EGLContext m_eglContext; + EGLContext m_shareContext; + EGLDisplay m_eglDisplay; + EGLConfig m_eglConfig; + QSurfaceFormat m_format; + EGLenum m_api; + int m_swapInterval = -1; + bool m_swapIntervalEnvChecked = false; + int m_swapIntervalFromEnv = -1; + Flags m_flags; + bool m_ownsContext = false; + QList<EGLint> m_contextAttrs; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QEGLPlatformContext::Flags) + +QT_END_NAMESPACE + +#endif //QEGLPLATFORMCONTEXT_H diff --git a/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp b/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp new file mode 100644 index 0000000000..228cdbb06b --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 "qeglstreamconvenience_p.h" +#include <string.h> + +QT_BEGIN_NAMESPACE + +QEGLStreamConvenience::QEGLStreamConvenience() + : initialized(false), + has_egl_platform_device(false), + has_egl_device_base(false), + has_egl_stream(false), + has_egl_stream_producer_eglsurface(false), + has_egl_stream_consumer_egloutput(false), + has_egl_output_drm(false), + has_egl_output_base(false), + has_egl_stream_cross_process_fd(false), + has_egl_stream_consumer_gltexture(false) +{ + const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); + if (!extensions) { + qWarning("Failed to query EGL extensions"); + return; + } + + query_devices = reinterpret_cast<PFNEGLQUERYDEVICESEXTPROC>(eglGetProcAddress("eglQueryDevicesEXT")); + query_device_string = reinterpret_cast<PFNEGLQUERYDEVICESTRINGEXTPROC>(eglGetProcAddress("eglQueryDeviceStringEXT")); + get_platform_display = reinterpret_cast<PFNEGLGETPLATFORMDISPLAYEXTPROC>(eglGetProcAddress("eglGetPlatformDisplayEXT")); + + has_egl_device_base = strstr(extensions, "EGL_EXT_device_base"); + has_egl_platform_device = strstr(extensions, "EGL_EXT_platform_device"); +} + +void QEGLStreamConvenience::initialize(EGLDisplay dpy) +{ + if (initialized) + return; + + if (!eglBindAPI(EGL_OPENGL_ES_API)) { + qWarning("Failed to bind OpenGL ES API"); + return; + } + + const char *extensions = eglQueryString(dpy, EGL_EXTENSIONS); + if (!extensions) { + qWarning("Failed to query EGL extensions"); + return; + } + + create_stream = reinterpret_cast<PFNEGLCREATESTREAMKHRPROC>(eglGetProcAddress("eglCreateStreamKHR")); + destroy_stream = reinterpret_cast<PFNEGLDESTROYSTREAMKHRPROC>(eglGetProcAddress("eglDestroyStreamKHR")); + stream_attrib = reinterpret_cast<PFNEGLSTREAMATTRIBKHRPROC>(eglGetProcAddress("eglStreamAttribKHR")); + query_stream = reinterpret_cast<PFNEGLQUERYSTREAMKHRPROC>(eglGetProcAddress("eglQueryStreamKHR")); + query_stream_u64 = reinterpret_cast<PFNEGLQUERYSTREAMU64KHRPROC>(eglGetProcAddress("eglQueryStreamu64KHR")); + create_stream_producer_surface = reinterpret_cast<PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC>(eglGetProcAddress("eglCreateStreamProducerSurfaceKHR")); + stream_consumer_output = reinterpret_cast<PFNEGLSTREAMCONSUMEROUTPUTEXTPROC>(eglGetProcAddress("eglStreamConsumerOutputEXT")); + get_output_layers = reinterpret_cast<PFNEGLGETOUTPUTLAYERSEXTPROC>(eglGetProcAddress("eglGetOutputLayersEXT")); + get_output_ports = reinterpret_cast<PFNEGLGETOUTPUTPORTSEXTPROC>(eglGetProcAddress("eglGetOutputPortsEXT")); + output_layer_attrib = reinterpret_cast<PFNEGLOUTPUTLAYERATTRIBEXTPROC>(eglGetProcAddress("eglOutputLayerAttribEXT")); + query_output_layer_attrib = reinterpret_cast<PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC>(eglGetProcAddress("eglQueryOutputLayerAttribEXT")); + query_output_layer_string = reinterpret_cast<PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC>(eglGetProcAddress("eglQueryOutputLayerStringEXT")); + query_output_port_attrib = reinterpret_cast<PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC>(eglGetProcAddress("eglQueryOutputPortAttribEXT")); + query_output_port_string = reinterpret_cast<PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC>(eglGetProcAddress("eglQueryOutputPortStringEXT")); + get_stream_file_descriptor = reinterpret_cast<PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC>(eglGetProcAddress("eglGetStreamFileDescriptorKHR")); + create_stream_from_file_descriptor = reinterpret_cast<PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC>(eglGetProcAddress("eglCreateStreamFromFileDescriptorKHR")); + stream_consumer_gltexture = reinterpret_cast<PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC>(eglGetProcAddress("eglStreamConsumerGLTextureExternalKHR")); + stream_consumer_acquire = reinterpret_cast<PFNEGLSTREAMCONSUMERACQUIREKHRPROC>(eglGetProcAddress("eglStreamConsumerAcquireKHR")); + stream_consumer_release = reinterpret_cast<PFNEGLSTREAMCONSUMERRELEASEKHRPROC>(eglGetProcAddress("eglStreamConsumerReleaseKHR")); + create_stream_attrib_nv = reinterpret_cast<PFNEGLCREATESTREAMATTRIBNVPROC>(eglGetProcAddress("eglCreateStreamAttribNV")); + set_stream_attrib_nv = reinterpret_cast<PFNEGLSETSTREAMATTRIBNVPROC>(eglGetProcAddress("eglSetStreamAttribNV")); + query_stream_attrib_nv = reinterpret_cast<PFNEGLQUERYSTREAMATTRIBNVPROC>(eglGetProcAddress("eglQueryStreamAttribNV")); + acquire_stream_attrib_nv = reinterpret_cast<PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC>(eglGetProcAddress("eglStreamConsumerAcquireAttribNV")); + release_stream_attrib_nv = reinterpret_cast<PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC>(eglGetProcAddress("eglStreamConsumerReleaseAttribNV")); + + has_egl_stream = strstr(extensions, "EGL_KHR_stream"); + has_egl_stream_producer_eglsurface = strstr(extensions, "EGL_KHR_stream_producer_eglsurface"); + has_egl_stream_consumer_egloutput = strstr(extensions, "EGL_EXT_stream_consumer_egloutput"); + has_egl_output_drm = strstr(extensions, "EGL_EXT_output_drm"); + has_egl_output_base = strstr(extensions, "EGL_EXT_output_base"); + has_egl_stream_cross_process_fd = strstr(extensions, "EGL_KHR_stream_cross_process_fd"); + has_egl_stream_consumer_gltexture = strstr(extensions, "EGL_KHR_stream_consumer_gltexture"); + + initialized = true; +} + +QT_END_NAMESPACE diff --git a/src/gui/opengl/platform/egl/qeglstreamconvenience_p.h b/src/gui/opengl/platform/egl/qeglstreamconvenience_p.h new file mode 100644 index 0000000000..22e124b279 --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglstreamconvenience_p.h @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGLSTREAMCONVENIENCE_H +#define QEGLSTREAMCONVENIENCE_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 <QtGui/qtguiglobal.h> + +#include <QtGui/private/qt_egl_p.h> + +// This provides runtime EGLDevice/Output/Stream support even when eglext.h in +// the sysroot is not up-to-date. + +#ifndef EGL_VERSION_1_5 +typedef intptr_t EGLAttrib; +#endif + +#ifndef EGL_EXT_platform_base +typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform, void *native_display, const EGLint *attrib_list); +#endif + +#ifndef EGL_EXT_device_base +typedef void *EGLDeviceEXT; +#define EGL_NO_DEVICE_EXT ((EGLDeviceEXT)(0)) +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDEVICESEXTPROC) (EGLint max_devices, EGLDeviceEXT *devices, EGLint *num_devices); +typedef const char *(EGLAPIENTRYP PFNEGLQUERYDEVICESTRINGEXTPROC) (EGLDeviceEXT device, EGLint name); +#endif + +#ifndef EGL_EXT_output_base +typedef void *EGLOutputLayerEXT; +typedef void *EGLOutputPortEXT; +#define EGL_NO_OUTPUT_LAYER_EXT ((EGLOutputLayerEXT)0) +typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETOUTPUTLAYERSEXTPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list, EGLOutputLayerEXT *layers, EGLint max_layers, EGLint *num_layers); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETOUTPUTPORTSEXTPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list, EGLOutputPortEXT *ports, EGLint max_ports, EGLint *num_ports); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLOUTPUTLAYERATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint attribute, EGLAttrib value); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint attribute, EGLAttrib *value); +typedef const char *(EGLAPIENTRYP PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint name); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputPortEXT port, EGLint attribute, EGLAttrib *value); +typedef const char *(EGLAPIENTRYP PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC) (EGLDisplay dpy, EGLOutputPortEXT port, EGLint name); +#endif + +#ifndef EGL_KHR_stream +typedef void *EGLStreamKHR; +typedef quint64 EGLuint64KHR; +#define EGL_NO_STREAM_KHR ((EGLStreamKHR)0) +#define EGL_STREAM_STATE_KHR 0x3214 +#define EGL_STREAM_STATE_CREATED_KHR 0x3215 +#define EGL_STREAM_STATE_CONNECTING_KHR 0x3216 +#define EGL_STREAM_STATE_EMPTY_KHR 0x3217 +#define EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR 0x3218 +#define EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR 0x3219 +#define EGL_STREAM_STATE_DISCONNECTED_KHR 0x321A +#define EGL_BAD_STREAM_KHR 0x321B +#define EGL_BAD_STATE_KHR 0x321C +typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMKHRPROC) (EGLDisplay dpy, const EGLint *attrib_list); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSTREAMKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMATTRIBKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMU64KHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value); +#endif + +#ifndef EGL_KHR_stream_fifo +#define EGL_STREAM_FIFO_LENGTH_KHR 0x31FC +#endif + +#ifndef EGL_KHR_stream_producer_eglsurface +#define EGL_STREAM_BIT_KHR 0x0800 +typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC) (EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list); +#endif + +#ifndef EGL_KHR_stream_cross_process_fd +typedef int EGLNativeFileDescriptorKHR; +#define EGL_NO_FILE_DESCRIPTOR_KHR ((EGLNativeFileDescriptorKHR)(-1)) +typedef EGLNativeFileDescriptorKHR (EGLAPIENTRYP PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream); +typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC) (EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor); +#endif + +#ifndef EGL_KHR_stream_consumer_gltexture +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream); +#endif + +#ifndef EGL_EXT_stream_consumer_egloutput +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMEROUTPUTEXTPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLOutputLayerEXT layer); +#endif + +#ifndef EGL_EXT_platform_device +#define EGL_PLATFORM_DEVICE_EXT 0x313F +#endif + +#ifndef EGL_EXT_device_drm +#define EGL_DRM_DEVICE_FILE_EXT 0x3233 +#endif + +#ifndef EGL_EXT_output_drm +#define EGL_DRM_CRTC_EXT 0x3234 +#define EGL_DRM_PLANE_EXT 0x3235 +#endif + +#ifndef EGL_PLATFORM_X11_KHR +#define EGL_PLATFORM_X11_KHR 0x31D5 +#endif + +#ifndef EGL_NV_stream_attrib +typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMATTRIBNVPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSTREAMATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLAttrib value); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLAttrib *value); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list); +#endif + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QEGLStreamConvenience +{ +public: + QEGLStreamConvenience(); + void initialize(EGLDisplay dpy); + + PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display; + PFNEGLQUERYDEVICESEXTPROC query_devices; + PFNEGLQUERYDEVICESTRINGEXTPROC query_device_string; + PFNEGLCREATESTREAMKHRPROC create_stream; + PFNEGLCREATESTREAMATTRIBNVPROC create_stream_attrib_nv; + PFNEGLSETSTREAMATTRIBNVPROC set_stream_attrib_nv; + PFNEGLQUERYSTREAMATTRIBNVPROC query_stream_attrib_nv; + PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC acquire_stream_attrib_nv; + PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC release_stream_attrib_nv; + PFNEGLDESTROYSTREAMKHRPROC destroy_stream; + PFNEGLSTREAMATTRIBKHRPROC stream_attrib; + PFNEGLQUERYSTREAMKHRPROC query_stream; + PFNEGLQUERYSTREAMU64KHRPROC query_stream_u64; + PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC create_stream_producer_surface; + PFNEGLSTREAMCONSUMEROUTPUTEXTPROC stream_consumer_output; + PFNEGLGETOUTPUTLAYERSEXTPROC get_output_layers; + PFNEGLGETOUTPUTPORTSEXTPROC get_output_ports; + PFNEGLOUTPUTLAYERATTRIBEXTPROC output_layer_attrib; + PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC query_output_layer_attrib; + PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC query_output_layer_string; + PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC query_output_port_attrib; + PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC query_output_port_string; + PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC get_stream_file_descriptor; + PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC create_stream_from_file_descriptor; + PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC stream_consumer_gltexture; + PFNEGLSTREAMCONSUMERACQUIREKHRPROC stream_consumer_acquire; + PFNEGLSTREAMCONSUMERRELEASEKHRPROC stream_consumer_release; + + bool initialized; + + bool has_egl_platform_device; + bool has_egl_device_base; + bool has_egl_stream; + bool has_egl_stream_producer_eglsurface; + bool has_egl_stream_consumer_egloutput; + bool has_egl_output_drm; + bool has_egl_output_base; + bool has_egl_stream_cross_process_fd; + bool has_egl_stream_consumer_gltexture; +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/gui/opengl/platform/egl/qt_egl_p.h b/src/gui/opengl/platform/egl/qt_egl_p.h new file mode 100644 index 0000000000..c33cc8aa21 --- /dev/null +++ b/src/gui/opengl/platform/egl/qt_egl_p.h @@ -0,0 +1,128 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT_EGL_P_H +#define QT_EGL_P_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. +// + +// q(data/text)stream.h must be included before any header file that defines Status +#include <QtCore/qdatastream.h> +#include <QtCore/qtextstream.h> + +#ifdef QT_EGL_NO_X11 +# ifndef EGL_NO_X11 +# define EGL_NO_X11 +# endif +# ifndef MESA_EGL_NO_X11_HEADERS +# define MESA_EGL_NO_X11_HEADERS // MESA +# endif +# if !defined(Q_OS_INTEGRITY) +# define WIN_INTERFACE_CUSTOM // NV +# endif // Q_OS_INTEGRITY +#endif // QT_EGL_NO_X11 + +#ifdef QT_EGL_WAYLAND +# define WAYLAND // NV +#endif // QT_EGL_WAYLAND + +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#include <stdint.h> + +QT_BEGIN_NAMESPACE + +namespace QtInternal { + +template <class FromType, class ToType> +struct QtEglConverter +{ + static inline ToType convert(FromType v) + { return v; } +}; + +template <> +struct QtEglConverter<uint32_t, uintptr_t> +{ + static inline uintptr_t convert(uint32_t v) + { return v; } +}; + +#if QT_POINTER_SIZE > 4 +template <> +struct QtEglConverter<uintptr_t, uint32_t> +{ + static inline uint32_t convert(uintptr_t v) + { return uint32_t(v); } +}; +#endif + +template <> +struct QtEglConverter<uint32_t, void *> +{ + static inline void *convert(uint32_t v) + { return reinterpret_cast<void *>(uintptr_t(v)); } +}; + +template <> +struct QtEglConverter<void *, uint32_t> +{ + static inline uint32_t convert(void *v) + { return uintptr_t(v); } +}; + +} // QtInternal + +template <class ToType, class FromType> +static inline ToType qt_egl_cast(FromType from) +{ return QtInternal::QtEglConverter<FromType, ToType>::convert(from); } + +QT_END_NAMESPACE + +#endif // QT_EGL_P_H diff --git a/src/gui/opengl/platform/egl/qxlibeglintegration.cpp b/src/gui/opengl/platform/egl/qxlibeglintegration.cpp new file mode 100644 index 0000000000..59f7024c06 --- /dev/null +++ b/src/gui/opengl/platform/egl/qxlibeglintegration.cpp @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 <QtCore/qloggingcategory.h> +#include "qxlibeglintegration_p.h" + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(lcXlibEglDebug, "qt.egl.xlib.debug") + +VisualID QXlibEglIntegration::getCompatibleVisualId(Display *display, EGLDisplay eglDisplay, EGLConfig config) +{ + VisualID visualId = 0; + EGLint eglValue = 0; + + EGLint configRedSize = 0; + eglGetConfigAttrib(eglDisplay, config, EGL_RED_SIZE, &configRedSize); + + EGLint configGreenSize = 0; + eglGetConfigAttrib(eglDisplay, config, EGL_GREEN_SIZE, &configGreenSize); + + EGLint configBlueSize = 0; + eglGetConfigAttrib(eglDisplay, config, EGL_BLUE_SIZE, &configBlueSize); + + EGLint configAlphaSize = 0; + eglGetConfigAttrib(eglDisplay, config, EGL_ALPHA_SIZE, &configAlphaSize); + + eglGetConfigAttrib(eglDisplay, config, EGL_CONFIG_ID, &eglValue); + int configId = eglValue; + + // See if EGL provided a valid VisualID: + eglGetConfigAttrib(eglDisplay, config, EGL_NATIVE_VISUAL_ID, &eglValue); + visualId = (VisualID)eglValue; + if (visualId) { + // EGL has suggested a visual id, so get the rest of the visual info for that id: + XVisualInfo visualInfoTemplate; + memset(&visualInfoTemplate, 0, sizeof(XVisualInfo)); + visualInfoTemplate.visualid = visualId; + + XVisualInfo *chosenVisualInfo; + int matchingCount = 0; + chosenVisualInfo = XGetVisualInfo(display, VisualIDMask, &visualInfoTemplate, &matchingCount); + if (chosenVisualInfo) { + // Skip size checks if implementation supports non-matching visual + // and config (QTBUG-9444). + if (q_hasEglExtension(eglDisplay,"EGL_NV_post_convert_rounding")) { + XFree(chosenVisualInfo); + return visualId; + } + // Skip also for i.MX6 where 565 visuals are suggested for the default 444 configs and it works just fine. + const char *vendor = eglQueryString(eglDisplay, EGL_VENDOR); + if (vendor && strstr(vendor, "Vivante")) { + XFree(chosenVisualInfo); + return visualId; + } + + int visualRedSize = qPopulationCount(chosenVisualInfo->red_mask); + int visualGreenSize = qPopulationCount(chosenVisualInfo->green_mask); + int visualBlueSize = qPopulationCount(chosenVisualInfo->blue_mask); + int visualAlphaSize = chosenVisualInfo->depth - visualRedSize - visualBlueSize - visualGreenSize; + + const bool visualMatchesConfig = visualRedSize >= configRedSize + && visualGreenSize >= configGreenSize + && visualBlueSize >= configBlueSize + && visualAlphaSize >= configAlphaSize; + + // In some cases EGL tends to suggest a 24-bit visual for 8888 + // configs. In such a case we have to fall back to XGetVisualInfo. + if (!visualMatchesConfig) { + visualId = 0; + qCDebug(lcXlibEglDebug, + "EGL suggested using X Visual ID %d (%d %d %d %d depth %d) for EGL config %d" + "(%d %d %d %d), but this is incompatible", + (int)visualId, visualRedSize, visualGreenSize, visualBlueSize, visualAlphaSize, chosenVisualInfo->depth, + configId, configRedSize, configGreenSize, configBlueSize, configAlphaSize); + } + } else { + qCDebug(lcXlibEglDebug, "EGL suggested using X Visual ID %d for EGL config %d, but that isn't a valid ID", + (int)visualId, configId); + visualId = 0; + } + XFree(chosenVisualInfo); + } + else + qCDebug(lcXlibEglDebug, "EGL did not suggest a VisualID (EGL_NATIVE_VISUAL_ID was zero) for EGLConfig %d", configId); + + if (visualId) { + qCDebug(lcXlibEglDebug, configAlphaSize > 0 + ? "Using ARGB Visual ID %d provided by EGL for config %d" + : "Using Opaque Visual ID %d provided by EGL for config %d", (int)visualId, configId); + return visualId; + } + + // Finally, try to use XGetVisualInfo and only use the bit depths to match on: + if (!visualId) { + XVisualInfo visualInfoTemplate; + memset(&visualInfoTemplate, 0, sizeof(XVisualInfo)); + XVisualInfo *matchingVisuals; + int matchingCount = 0; + + visualInfoTemplate.depth = configRedSize + configGreenSize + configBlueSize + configAlphaSize; + matchingVisuals = XGetVisualInfo(display, + VisualDepthMask, + &visualInfoTemplate, + &matchingCount); + if (!matchingVisuals) { + // Try again without taking the alpha channel into account: + visualInfoTemplate.depth = configRedSize + configGreenSize + configBlueSize; + matchingVisuals = XGetVisualInfo(display, + VisualDepthMask, + &visualInfoTemplate, + &matchingCount); + } + + if (matchingVisuals) { + visualId = matchingVisuals[0].visualid; + XFree(matchingVisuals); + } + } + + if (visualId) { + qCDebug(lcXlibEglDebug, "Using Visual ID %d provided by XGetVisualInfo for EGL config %d", (int)visualId, configId); + return visualId; + } + + qWarning("Unable to find an X11 visual which matches EGL config %d", configId); + return (VisualID)0; +} + +QT_END_NAMESPACE diff --git a/src/gui/opengl/platform/egl/qxlibeglintegration_p.h b/src/gui/opengl/platform/egl/qxlibeglintegration_p.h new file mode 100644 index 0000000000..2c4e0b5080 --- /dev/null +++ b/src/gui/opengl/platform/egl/qxlibeglintegration_p.h @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QXLIBEGLINTEGRATION_H +#define QXLIBEGLINTEGRATION_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 <QtGui/private/qeglconvenience_p.h> +#include <X11/X.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QXlibEglIntegration +{ +public: + static VisualID getCompatibleVisualId(Display *display, EGLDisplay eglDisplay, EGLConfig config); +}; + +QT_END_NAMESPACE + +#endif // QXLIBEGLINTEGRATION_H diff --git a/src/gui/opengl/platform/platform.pri b/src/gui/opengl/platform/platform.pri index 4255f09a4e..193bd9e59b 100644 --- a/src/gui/opengl/platform/platform.pri +++ b/src/gui/opengl/platform/platform.pri @@ -1,2 +1,4 @@ qtConfig(xlib):qtConfig(opengl):!qtConfig(opengles2): \ include(unix/unix.pri) +qtConfig(egl): \ + include(egl/egl.pri) |