2047d2d4e9
The purpose of MetaRenderDevice is to contain the logics related to a render device; i.e. e.g. a gbm_device, or an EGLDevice. It's meant to help abstract away unrelated details from where it's eventually used, which will be by MetaRendererNative and the MetaOnscreenNative instances. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1854>
92 lines
3 KiB
C
92 lines
3 KiB
C
/*
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* Copyright (C) 2020-2021 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include "backends/native/meta-render-device-surfaceless.h"
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#include "backends/meta-backend-private.h"
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#include "backends/meta-egl.h"
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struct _MetaRenderDeviceSurfaceless
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{
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MetaRenderDevice parent;
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};
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G_DEFINE_TYPE (MetaRenderDeviceSurfaceless, meta_render_device_surfaceless,
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META_TYPE_RENDER_DEVICE)
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static EGLDisplay
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meta_render_device_surfaceless_create_egl_display (MetaRenderDevice *render_device,
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GError **error)
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{
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MetaBackend *backend = meta_render_device_get_backend (render_device);
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MetaEgl *egl = meta_backend_get_egl (backend);
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EGLDisplay egl_display;
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if (!meta_egl_has_extensions (egl, EGL_NO_DISPLAY, NULL,
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"EGL_MESA_platform_surfaceless",
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NULL))
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Missing EGL platform required for surfaceless context: "
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"EGL_MESA_platform_surfaceless");
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return EGL_NO_DISPLAY;
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}
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egl_display = meta_egl_get_platform_display (egl,
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EGL_PLATFORM_SURFACELESS_MESA,
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EGL_DEFAULT_DISPLAY,
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NULL, error);
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if (egl_display == EGL_NO_DISPLAY)
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return EGL_NO_DISPLAY;
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if (!meta_egl_initialize (egl, egl_display, error))
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{
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meta_egl_terminate (egl, egl_display, NULL);
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return EGL_NO_DISPLAY;
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}
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return egl_display;
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}
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static void
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meta_render_device_surfaceless_class_init (MetaRenderDeviceSurfacelessClass *klass)
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{
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MetaRenderDeviceClass *render_device_class = META_RENDER_DEVICE_CLASS (klass);
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render_device_class->create_egl_display =
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meta_render_device_surfaceless_create_egl_display;
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}
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static void
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meta_render_device_surfaceless_init (MetaRenderDeviceSurfaceless *render_device_surfaceless)
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{
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}
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MetaRenderDeviceSurfaceless *
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meta_render_device_surfaceless_new (MetaBackend *backend,
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GError **error)
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{
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return g_initable_new (META_TYPE_RENDER_DEVICE_SURFACELESS,
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NULL, error,
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"backend", backend,
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NULL);
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}
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