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| |
| #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 |