diff options
Diffstat (limited to 'src/gui/opengl/platform/egl/qeglstreamconvenience.cpp')
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglstreamconvenience.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp b/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp new file mode 100644 index 0000000000..869e763bb8 --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglstreamconvenience.cpp @@ -0,0 +1,87 @@ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#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 |