mirror of https://gitlab.freedesktop.org/mesa/mesa
2183 lines
69 KiB
C
2183 lines
69 KiB
C
/*
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* Copyright © 2011-2012 Intel Corporation
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* Copyright © 2012 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <xf86drm.h>
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#include "drm-uapi/drm_fourcc.h"
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#include <sys/mman.h>
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#include "egl_dri2.h"
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#include "loader_dri_helper.h"
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#include "loader.h"
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#include "util/u_vector.h"
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#include "util/anon_file.h"
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#include "eglglobals.h"
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#include <wayland-egl-backend.h>
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#include <wayland-client.h>
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#include "wayland-drm-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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/*
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* The index of entries in this table is used as a bitmask in
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* dri2_dpy->formats, which tracks the formats supported by our server.
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*/
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static const struct dri2_wl_visual {
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const char *format_name;
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uint32_t wl_drm_format;
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uint32_t wl_shm_format;
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int dri_image_format;
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/* alt_dri_image_format is a substitute wl_buffer format to use for a
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* wl-server unsupported dri_image_format, ie. some other dri_image_format in
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* the table, of the same precision but with different channel ordering, or
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* __DRI_IMAGE_FORMAT_NONE if an alternate format is not needed or supported.
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* The code checks if alt_dri_image_format can be used as a fallback for a
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* dri_image_format for a given wl-server implementation.
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*/
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int alt_dri_image_format;
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int bpp;
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int rgba_shifts[4];
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unsigned int rgba_sizes[4];
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} dri2_wl_visuals[] = {
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{
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"ABGR16F",
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WL_DRM_FORMAT_ABGR16F, WL_SHM_FORMAT_ABGR16161616F,
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__DRI_IMAGE_FORMAT_ABGR16161616F, 0, 64,
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{ 0, 16, 32, 48 },
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{ 16, 16, 16, 16 },
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},
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{
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"XBGR16F",
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WL_DRM_FORMAT_XBGR16F, WL_SHM_FORMAT_XBGR16161616F,
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__DRI_IMAGE_FORMAT_XBGR16161616F, 0, 64,
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{ 0, 16, 32, -1 },
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{ 16, 16, 16, 0 },
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},
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{
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"XRGB2101010",
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WL_DRM_FORMAT_XRGB2101010, WL_SHM_FORMAT_XRGB2101010,
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__DRI_IMAGE_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XBGR2101010, 32,
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{ 20, 10, 0, -1 },
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{ 10, 10, 10, 0 },
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},
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{
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"ARGB2101010",
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WL_DRM_FORMAT_ARGB2101010, WL_SHM_FORMAT_ARGB2101010,
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__DRI_IMAGE_FORMAT_ARGB2101010, __DRI_IMAGE_FORMAT_ABGR2101010, 32,
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{ 20, 10, 0, 30 },
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{ 10, 10, 10, 2 },
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},
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{
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"XBGR2101010",
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WL_DRM_FORMAT_XBGR2101010, WL_SHM_FORMAT_XBGR2101010,
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__DRI_IMAGE_FORMAT_XBGR2101010, __DRI_IMAGE_FORMAT_XRGB2101010, 32,
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{ 0, 10, 20, -1 },
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{ 10, 10, 10, 0 },
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},
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{
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"ABGR2101010",
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WL_DRM_FORMAT_ABGR2101010, WL_SHM_FORMAT_ABGR2101010,
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__DRI_IMAGE_FORMAT_ABGR2101010, __DRI_IMAGE_FORMAT_ARGB2101010, 32,
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{ 0, 10, 20, 30 },
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{ 10, 10, 10, 2 },
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},
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{
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"XRGB8888",
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WL_DRM_FORMAT_XRGB8888, WL_SHM_FORMAT_XRGB8888,
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__DRI_IMAGE_FORMAT_XRGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
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{ 16, 8, 0, -1 },
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{ 8, 8, 8, 0 },
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},
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{
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"ARGB8888",
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WL_DRM_FORMAT_ARGB8888, WL_SHM_FORMAT_ARGB8888,
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__DRI_IMAGE_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
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{ 16, 8, 0, 24 },
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{ 8, 8, 8, 8 },
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},
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{
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"ABGR8888",
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WL_DRM_FORMAT_ABGR8888, WL_SHM_FORMAT_ABGR8888,
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__DRI_IMAGE_FORMAT_ABGR8888, __DRI_IMAGE_FORMAT_NONE, 32,
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{ 0, 8, 16, 24 },
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{ 8, 8, 8, 8 },
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},
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{
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"XBGR8888",
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WL_DRM_FORMAT_XBGR8888, WL_SHM_FORMAT_XBGR8888,
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__DRI_IMAGE_FORMAT_XBGR8888, __DRI_IMAGE_FORMAT_NONE, 32,
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{ 0, 8, 16, -1 },
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{ 8, 8, 8, 0 },
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},
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{
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"RGB565",
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WL_DRM_FORMAT_RGB565, WL_SHM_FORMAT_RGB565,
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__DRI_IMAGE_FORMAT_RGB565, __DRI_IMAGE_FORMAT_NONE, 16,
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{ 11, 5, 0, -1 },
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{ 5, 6, 5, 0 },
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},
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};
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static_assert(ARRAY_SIZE(dri2_wl_visuals) <= EGL_DRI2_MAX_FORMATS,
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"dri2_egl_display::formats is not large enough for "
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"the formats in dri2_wl_visuals");
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static int
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dri2_wl_visual_idx_from_config(struct dri2_egl_display *dri2_dpy,
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const __DRIconfig *config,
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bool force_opaque)
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{
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int shifts[4];
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unsigned int sizes[4];
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dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
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for (unsigned int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
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const struct dri2_wl_visual *wl_visual = &dri2_wl_visuals[i];
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int cmp_rgb_shifts = memcmp(shifts, wl_visual->rgba_shifts,
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3 * sizeof(shifts[0]));
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int cmp_rgb_sizes = memcmp(sizes, wl_visual->rgba_sizes,
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3 * sizeof(sizes[0]));
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if (cmp_rgb_shifts == 0 && cmp_rgb_sizes == 0 &&
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wl_visual->rgba_shifts[3] == (force_opaque ? -1 : shifts[3]) &&
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wl_visual->rgba_sizes[3] == (force_opaque ? 0 : sizes[3])) {
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return i;
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}
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}
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return -1;
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}
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static int
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dri2_wl_visual_idx_from_fourcc(uint32_t fourcc)
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{
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for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
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/* wl_drm format codes overlap with DRIImage FourCC codes for all formats
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* we support. */
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if (dri2_wl_visuals[i].wl_drm_format == fourcc)
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return i;
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}
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return -1;
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}
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static int
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dri2_wl_visual_idx_from_dri_image_format(uint32_t dri_image_format)
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{
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for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
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if (dri2_wl_visuals[i].dri_image_format == dri_image_format)
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return i;
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}
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return -1;
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}
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static int
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dri2_wl_visual_idx_from_shm_format(uint32_t shm_format)
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{
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for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
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if (dri2_wl_visuals[i].wl_shm_format == shm_format)
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return i;
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}
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return -1;
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}
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bool
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dri2_wl_is_format_supported(void* user_data, uint32_t format)
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{
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_EGLDisplay *disp = (_EGLDisplay *) user_data;
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struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
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int j = dri2_wl_visual_idx_from_fourcc(format);
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if (j == -1)
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return false;
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for (int i = 0; dri2_dpy->driver_configs[i]; i++)
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if (j == dri2_wl_visual_idx_from_config(dri2_dpy,
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dri2_dpy->driver_configs[i],
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false))
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return true;
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return false;
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}
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static int
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roundtrip(struct dri2_egl_display *dri2_dpy)
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{
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return wl_display_roundtrip_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
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}
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static void
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wl_buffer_release(void *data, struct wl_buffer *buffer)
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{
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struct dri2_egl_surface *dri2_surf = data;
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int i;
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for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
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if (dri2_surf->color_buffers[i].wl_buffer == buffer)
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break;
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assert (i < ARRAY_SIZE(dri2_surf->color_buffers));
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if (dri2_surf->color_buffers[i].wl_release) {
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wl_buffer_destroy(buffer);
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dri2_surf->color_buffers[i].wl_release = false;
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dri2_surf->color_buffers[i].wl_buffer = NULL;
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}
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dri2_surf->color_buffers[i].locked = false;
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}
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static const struct wl_buffer_listener wl_buffer_listener = {
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.release = wl_buffer_release
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};
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static void
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resize_callback(struct wl_egl_window *wl_win, void *data)
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{
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struct dri2_egl_surface *dri2_surf = data;
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struct dri2_egl_display *dri2_dpy =
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dri2_egl_display(dri2_surf->base.Resource.Display);
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if (dri2_surf->base.Width == wl_win->width &&
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dri2_surf->base.Height == wl_win->height)
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return;
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dri2_surf->resized = true;
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/* Update the surface size as soon as native window is resized; from user
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* pov, this makes the effect that resize is done immediately after native
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* window resize, without requiring to wait until the first draw.
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*
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* A more detailed and lengthy explanation can be found at
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* https://lists.freedesktop.org/archives/mesa-dev/2018-June/196474.html
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*/
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if (!dri2_surf->back) {
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dri2_surf->base.Width = wl_win->width;
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dri2_surf->base.Height = wl_win->height;
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}
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dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
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}
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static void
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destroy_window_callback(void *data)
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{
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struct dri2_egl_surface *dri2_surf = data;
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dri2_surf->wl_win = NULL;
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}
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static struct wl_surface *
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get_wl_surface_proxy(struct wl_egl_window *window)
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{
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/* Version 3 of wl_egl_window introduced a version field at the same
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* location where a pointer to wl_surface was stored. Thus, if
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* window->version is dereferenceable, we've been given an older version of
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* wl_egl_window, and window->version points to wl_surface */
|
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if (_eglPointerIsDereferencable((void *)(window->version))) {
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return wl_proxy_create_wrapper((void *)(window->version));
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}
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return wl_proxy_create_wrapper(window->surface);
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}
|
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|
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/**
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* Called via eglCreateWindowSurface(), drv->CreateWindowSurface().
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*/
|
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static _EGLSurface *
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dri2_wl_create_window_surface(_EGLDisplay *disp, _EGLConfig *conf,
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void *native_window, const EGLint *attrib_list)
|
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{
|
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struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
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struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
|
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struct wl_egl_window *window = native_window;
|
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struct dri2_egl_surface *dri2_surf;
|
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int visual_idx;
|
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const __DRIconfig *config;
|
||
|
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if (!window) {
|
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_eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
|
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return NULL;
|
||
}
|
||
|
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if (window->driver_private) {
|
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_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
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return NULL;
|
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}
|
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|
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dri2_surf = calloc(1, sizeof *dri2_surf);
|
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if (!dri2_surf) {
|
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_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
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return NULL;
|
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}
|
||
|
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if (!dri2_init_surface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf,
|
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attrib_list, false, native_window))
|
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goto cleanup_surf;
|
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|
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config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
|
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dri2_surf->base.GLColorspace);
|
||
|
||
if (!config) {
|
||
_eglError(EGL_BAD_MATCH, "Unsupported surfacetype/colorspace configuration");
|
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goto cleanup_surf;
|
||
}
|
||
|
||
dri2_surf->base.Width = window->width;
|
||
dri2_surf->base.Height = window->height;
|
||
|
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#ifndef NDEBUG
|
||
/* Enforce that every visual has an opaque variant (requirement to support
|
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* EGL_EXT_present_opaque)
|
||
*/
|
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for (unsigned int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
|
||
const struct dri2_wl_visual *transparent_visual = &dri2_wl_visuals[i];
|
||
if (transparent_visual->rgba_sizes[3] == 0) {
|
||
continue;
|
||
}
|
||
|
||
bool found_opaque_equivalent = false;
|
||
for (unsigned int j = 0; j < ARRAY_SIZE(dri2_wl_visuals); j++) {
|
||
const struct dri2_wl_visual *opaque_visual = &dri2_wl_visuals[j];
|
||
if (opaque_visual->rgba_sizes[3] != 0) {
|
||
continue;
|
||
}
|
||
|
||
int cmp_rgb_shifts = memcmp(transparent_visual->rgba_shifts,
|
||
opaque_visual->rgba_shifts,
|
||
3 * sizeof(opaque_visual->rgba_shifts[0]));
|
||
int cmp_rgb_sizes = memcmp(transparent_visual->rgba_sizes,
|
||
opaque_visual->rgba_sizes,
|
||
3 * sizeof(opaque_visual->rgba_sizes[0]));
|
||
|
||
if (cmp_rgb_shifts == 0 && cmp_rgb_sizes == 0) {
|
||
found_opaque_equivalent = true;
|
||
break;
|
||
}
|
||
}
|
||
|
||
assert(found_opaque_equivalent);
|
||
}
|
||
#endif
|
||
|
||
visual_idx = dri2_wl_visual_idx_from_config(dri2_dpy, config,
|
||
dri2_surf->base.PresentOpaque);
|
||
assert(visual_idx != -1);
|
||
|
||
if (dri2_dpy->wl_dmabuf || dri2_dpy->wl_drm) {
|
||
dri2_surf->format = dri2_wl_visuals[visual_idx].wl_drm_format;
|
||
} else {
|
||
assert(dri2_dpy->wl_shm);
|
||
dri2_surf->format = dri2_wl_visuals[visual_idx].wl_shm_format;
|
||
}
|
||
|
||
dri2_surf->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
|
||
if (!dri2_surf->wl_queue) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
||
goto cleanup_surf;
|
||
}
|
||
|
||
if (dri2_dpy->wl_drm) {
|
||
dri2_surf->wl_drm_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_drm);
|
||
if (!dri2_surf->wl_drm_wrapper) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
||
goto cleanup_queue;
|
||
}
|
||
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_drm_wrapper,
|
||
dri2_surf->wl_queue);
|
||
}
|
||
|
||
dri2_surf->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
|
||
if (!dri2_surf->wl_dpy_wrapper) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
||
goto cleanup_drm;
|
||
}
|
||
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_dpy_wrapper,
|
||
dri2_surf->wl_queue);
|
||
|
||
dri2_surf->wl_surface_wrapper = get_wl_surface_proxy(window);
|
||
if (!dri2_surf->wl_surface_wrapper) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
|
||
goto cleanup_dpy_wrapper;
|
||
}
|
||
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_surface_wrapper,
|
||
dri2_surf->wl_queue);
|
||
|
||
dri2_surf->wl_win = window;
|
||
dri2_surf->wl_win->driver_private = dri2_surf;
|
||
dri2_surf->wl_win->destroy_window_callback = destroy_window_callback;
|
||
if (dri2_dpy->flush)
|
||
dri2_surf->wl_win->resize_callback = resize_callback;
|
||
|
||
if (!dri2_create_drawable(dri2_dpy, config, dri2_surf, dri2_surf))
|
||
goto cleanup_surf_wrapper;
|
||
|
||
dri2_surf->base.SwapInterval = dri2_dpy->default_swap_interval;
|
||
|
||
return &dri2_surf->base;
|
||
|
||
cleanup_surf_wrapper:
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_surface_wrapper);
|
||
cleanup_dpy_wrapper:
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_dpy_wrapper);
|
||
cleanup_drm:
|
||
if (dri2_surf->wl_drm_wrapper)
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
|
||
cleanup_queue:
|
||
wl_event_queue_destroy(dri2_surf->wl_queue);
|
||
cleanup_surf:
|
||
free(dri2_surf);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static _EGLSurface *
|
||
dri2_wl_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf,
|
||
void *native_window, const EGLint *attrib_list)
|
||
{
|
||
/* From the EGL_EXT_platform_wayland spec, version 3:
|
||
*
|
||
* It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
|
||
* that belongs to Wayland. Any such call fails and generates
|
||
* EGL_BAD_PARAMETER.
|
||
*/
|
||
_eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
|
||
"Wayland");
|
||
return NULL;
|
||
}
|
||
|
||
/**
|
||
* Called via eglDestroySurface(), drv->DestroySurface().
|
||
*/
|
||
static EGLBoolean
|
||
dri2_wl_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
|
||
|
||
dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
|
||
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (dri2_surf->color_buffers[i].wl_buffer)
|
||
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
|
||
if (dri2_surf->color_buffers[i].dri_image)
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
|
||
if (dri2_surf->color_buffers[i].linear_copy)
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
|
||
if (dri2_surf->color_buffers[i].data)
|
||
munmap(dri2_surf->color_buffers[i].data,
|
||
dri2_surf->color_buffers[i].data_size);
|
||
}
|
||
|
||
if (dri2_dpy->dri2)
|
||
dri2_egl_surface_free_local_buffers(dri2_surf);
|
||
|
||
if (dri2_surf->throttle_callback)
|
||
wl_callback_destroy(dri2_surf->throttle_callback);
|
||
|
||
if (dri2_surf->wl_win) {
|
||
dri2_surf->wl_win->driver_private = NULL;
|
||
dri2_surf->wl_win->resize_callback = NULL;
|
||
dri2_surf->wl_win->destroy_window_callback = NULL;
|
||
}
|
||
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_surface_wrapper);
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_dpy_wrapper);
|
||
if (dri2_surf->wl_drm_wrapper)
|
||
wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
|
||
wl_event_queue_destroy(dri2_surf->wl_queue);
|
||
|
||
dri2_fini_surface(surf);
|
||
free(surf);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static void
|
||
dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (dri2_surf->color_buffers[i].wl_buffer) {
|
||
if (dri2_surf->color_buffers[i].locked) {
|
||
dri2_surf->color_buffers[i].wl_release = true;
|
||
} else {
|
||
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
|
||
dri2_surf->color_buffers[i].wl_buffer = NULL;
|
||
}
|
||
}
|
||
if (dri2_surf->color_buffers[i].dri_image)
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
|
||
if (dri2_surf->color_buffers[i].linear_copy)
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
|
||
if (dri2_surf->color_buffers[i].data)
|
||
munmap(dri2_surf->color_buffers[i].data,
|
||
dri2_surf->color_buffers[i].data_size);
|
||
|
||
dri2_surf->color_buffers[i].dri_image = NULL;
|
||
dri2_surf->color_buffers[i].linear_copy = NULL;
|
||
dri2_surf->color_buffers[i].data = NULL;
|
||
}
|
||
|
||
if (dri2_dpy->dri2)
|
||
dri2_egl_surface_free_local_buffers(dri2_surf);
|
||
}
|
||
|
||
static int
|
||
get_back_bo(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
int use_flags;
|
||
int visual_idx;
|
||
unsigned int dri_image_format;
|
||
unsigned int linear_dri_image_format;
|
||
uint64_t *modifiers;
|
||
int num_modifiers;
|
||
|
||
visual_idx = dri2_wl_visual_idx_from_fourcc(dri2_surf->format);
|
||
assert(visual_idx != -1);
|
||
dri_image_format = dri2_wl_visuals[visual_idx].dri_image_format;
|
||
linear_dri_image_format = dri_image_format;
|
||
modifiers = u_vector_tail(&dri2_dpy->wl_modifiers[visual_idx]);
|
||
num_modifiers = u_vector_length(&dri2_dpy->wl_modifiers[visual_idx]);
|
||
|
||
if (num_modifiers == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) {
|
||
/* For the purposes of this function, an INVALID modifier on its own
|
||
* means the modifiers aren't supported.
|
||
*/
|
||
num_modifiers = 0;
|
||
}
|
||
|
||
/* Substitute dri image format if server does not support original format */
|
||
if (!BITSET_TEST(dri2_dpy->formats, visual_idx))
|
||
linear_dri_image_format = dri2_wl_visuals[visual_idx].alt_dri_image_format;
|
||
|
||
/* These asserts hold, as long as dri2_wl_visuals[] is self-consistent and
|
||
* the PRIME substitution logic in dri2_wl_add_configs_for_visuals() is free
|
||
* of bugs.
|
||
*/
|
||
assert(linear_dri_image_format != __DRI_IMAGE_FORMAT_NONE);
|
||
assert(BITSET_TEST(dri2_dpy->formats,
|
||
dri2_wl_visual_idx_from_dri_image_format(linear_dri_image_format)));
|
||
|
||
/* There might be a buffer release already queued that wasn't processed */
|
||
wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
|
||
|
||
while (dri2_surf->back == NULL) {
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
/* Get an unlocked buffer, preferably one with a dri_buffer
|
||
* already allocated. */
|
||
if (dri2_surf->color_buffers[i].locked)
|
||
continue;
|
||
if (dri2_surf->back == NULL)
|
||
dri2_surf->back = &dri2_surf->color_buffers[i];
|
||
else if (dri2_surf->back->dri_image == NULL)
|
||
dri2_surf->back = &dri2_surf->color_buffers[i];
|
||
}
|
||
|
||
if (dri2_surf->back)
|
||
break;
|
||
|
||
/* If we don't have a buffer, then block on the server to release one for
|
||
* us, and try again. wl_display_dispatch_queue will process any pending
|
||
* events, however not all servers flush on issuing a buffer release
|
||
* event. So, we spam the server with roundtrips as they always cause a
|
||
* client flush.
|
||
*/
|
||
if (wl_display_roundtrip_queue(dri2_dpy->wl_dpy,
|
||
dri2_surf->wl_queue) < 0)
|
||
return -1;
|
||
}
|
||
|
||
if (dri2_surf->back == NULL)
|
||
return -1;
|
||
|
||
use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER;
|
||
|
||
if (dri2_surf->base.ProtectedContent) {
|
||
/* Protected buffers can't be read from another GPU */
|
||
if (dri2_dpy->is_different_gpu)
|
||
return -1;
|
||
use_flags |= __DRI_IMAGE_USE_PROTECTED;
|
||
}
|
||
|
||
if (dri2_dpy->is_different_gpu &&
|
||
dri2_surf->back->linear_copy == NULL) {
|
||
/* The LINEAR modifier should be a perfect alias of the LINEAR use
|
||
* flag; try the new interface first before the old, then fall back. */
|
||
uint64_t linear_mod = DRM_FORMAT_MOD_LINEAR;
|
||
|
||
dri2_surf->back->linear_copy =
|
||
loader_dri_create_image(dri2_dpy->dri_screen, dri2_dpy->image,
|
||
dri2_surf->base.Width,
|
||
dri2_surf->base.Height,
|
||
linear_dri_image_format,
|
||
use_flags | __DRI_IMAGE_USE_LINEAR,
|
||
&linear_mod, 1, NULL);
|
||
|
||
if (dri2_surf->back->linear_copy == NULL)
|
||
return -1;
|
||
}
|
||
|
||
if (dri2_surf->back->dri_image == NULL) {
|
||
/* If our DRIImage implementation does not support
|
||
* createImageWithModifiers, then fall back to the old createImage,
|
||
* and hope it allocates an image which is acceptable to the winsys.
|
||
*/
|
||
dri2_surf->back->dri_image =
|
||
loader_dri_create_image(dri2_dpy->dri_screen, dri2_dpy->image,
|
||
dri2_surf->base.Width,
|
||
dri2_surf->base.Height,
|
||
dri_image_format,
|
||
dri2_dpy->is_different_gpu ? 0 : use_flags,
|
||
modifiers, num_modifiers, NULL);
|
||
|
||
dri2_surf->back->age = 0;
|
||
}
|
||
if (dri2_surf->back->dri_image == NULL)
|
||
return -1;
|
||
|
||
dri2_surf->back->locked = true;
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
static void
|
||
back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
__DRIimage *image;
|
||
int name, pitch;
|
||
|
||
image = dri2_surf->back->dri_image;
|
||
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
|
||
|
||
buffer->attachment = __DRI_BUFFER_BACK_LEFT;
|
||
buffer->name = name;
|
||
buffer->pitch = pitch;
|
||
buffer->cpp = 4;
|
||
buffer->flags = 0;
|
||
}
|
||
|
||
static int
|
||
update_buffers(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
if (dri2_surf->wl_win &&
|
||
(dri2_surf->base.Width != dri2_surf->wl_win->width ||
|
||
dri2_surf->base.Height != dri2_surf->wl_win->height)) {
|
||
|
||
dri2_surf->base.Width = dri2_surf->wl_win->width;
|
||
dri2_surf->base.Height = dri2_surf->wl_win->height;
|
||
dri2_surf->dx = dri2_surf->wl_win->dx;
|
||
dri2_surf->dy = dri2_surf->wl_win->dy;
|
||
}
|
||
|
||
if (dri2_surf->resized) {
|
||
dri2_wl_release_buffers(dri2_surf);
|
||
dri2_surf->resized = false;
|
||
}
|
||
|
||
if (get_back_bo(dri2_surf) < 0) {
|
||
_eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
|
||
return -1;
|
||
}
|
||
|
||
/* If we have an extra unlocked buffer at this point, we had to do triple
|
||
* buffering for a while, but now can go back to just double buffering.
|
||
* That means we can free any unlocked buffer now. */
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (!dri2_surf->color_buffers[i].locked &&
|
||
dri2_surf->color_buffers[i].wl_buffer) {
|
||
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
|
||
if (dri2_dpy->is_different_gpu)
|
||
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
|
||
dri2_surf->color_buffers[i].wl_buffer = NULL;
|
||
dri2_surf->color_buffers[i].dri_image = NULL;
|
||
dri2_surf->color_buffers[i].linear_copy = NULL;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int
|
||
update_buffers_if_needed(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
if (dri2_surf->back != NULL)
|
||
return 0;
|
||
|
||
return update_buffers(dri2_surf);
|
||
}
|
||
|
||
static __DRIbuffer *
|
||
dri2_wl_get_buffers_with_format(__DRIdrawable * driDrawable,
|
||
int *width, int *height,
|
||
unsigned int *attachments, int count,
|
||
int *out_count, void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
int i, j;
|
||
|
||
if (update_buffers(dri2_surf) < 0)
|
||
return NULL;
|
||
|
||
for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
|
||
__DRIbuffer *local;
|
||
|
||
switch (attachments[i]) {
|
||
case __DRI_BUFFER_BACK_LEFT:
|
||
back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
|
||
break;
|
||
default:
|
||
local = dri2_egl_surface_alloc_local_buffer(dri2_surf, attachments[i],
|
||
attachments[i + 1]);
|
||
|
||
if (!local) {
|
||
_eglError(EGL_BAD_ALLOC, "failed to allocate local buffer");
|
||
return NULL;
|
||
}
|
||
dri2_surf->buffers[j] = *local;
|
||
break;
|
||
}
|
||
}
|
||
|
||
*out_count = j;
|
||
if (j == 0)
|
||
return NULL;
|
||
|
||
*width = dri2_surf->base.Width;
|
||
*height = dri2_surf->base.Height;
|
||
|
||
return dri2_surf->buffers;
|
||
}
|
||
|
||
static __DRIbuffer *
|
||
dri2_wl_get_buffers(__DRIdrawable * driDrawable,
|
||
int *width, int *height,
|
||
unsigned int *attachments, int count,
|
||
int *out_count, void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
unsigned int *attachments_with_format;
|
||
__DRIbuffer *buffer;
|
||
int visual_idx = dri2_wl_visual_idx_from_fourcc(dri2_surf->format);
|
||
|
||
if (visual_idx == -1)
|
||
return NULL;
|
||
|
||
attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
|
||
if (!attachments_with_format) {
|
||
*out_count = 0;
|
||
return NULL;
|
||
}
|
||
|
||
for (int i = 0; i < count; ++i) {
|
||
attachments_with_format[2*i] = attachments[i];
|
||
attachments_with_format[2*i + 1] = dri2_wl_visuals[visual_idx].bpp;
|
||
}
|
||
|
||
buffer =
|
||
dri2_wl_get_buffers_with_format(driDrawable,
|
||
width, height,
|
||
attachments_with_format, count,
|
||
out_count, loaderPrivate);
|
||
|
||
free(attachments_with_format);
|
||
|
||
return buffer;
|
||
}
|
||
|
||
static int
|
||
image_get_buffers(__DRIdrawable *driDrawable,
|
||
unsigned int format,
|
||
uint32_t *stamp,
|
||
void *loaderPrivate,
|
||
uint32_t buffer_mask,
|
||
struct __DRIimageList *buffers)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
|
||
if (update_buffers(dri2_surf) < 0)
|
||
return 0;
|
||
|
||
buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
|
||
buffers->back = dri2_surf->back->dri_image;
|
||
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
|
||
{
|
||
(void) driDrawable;
|
||
(void) loaderPrivate;
|
||
}
|
||
|
||
static unsigned
|
||
dri2_wl_get_capability(void *loaderPrivate, enum dri_loader_cap cap)
|
||
{
|
||
switch (cap) {
|
||
case DRI_LOADER_CAP_FP16:
|
||
return 1;
|
||
case DRI_LOADER_CAP_RGBA_ORDERING:
|
||
return 1;
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
static const __DRIdri2LoaderExtension dri2_loader_extension = {
|
||
.base = { __DRI_DRI2_LOADER, 4 },
|
||
|
||
.getBuffers = dri2_wl_get_buffers,
|
||
.flushFrontBuffer = dri2_wl_flush_front_buffer,
|
||
.getBuffersWithFormat = dri2_wl_get_buffers_with_format,
|
||
.getCapability = dri2_wl_get_capability,
|
||
};
|
||
|
||
static const __DRIimageLoaderExtension image_loader_extension = {
|
||
.base = { __DRI_IMAGE_LOADER, 2 },
|
||
|
||
.getBuffers = image_get_buffers,
|
||
.flushFrontBuffer = dri2_wl_flush_front_buffer,
|
||
.getCapability = dri2_wl_get_capability,
|
||
};
|
||
|
||
static void
|
||
wayland_throttle_callback(void *data,
|
||
struct wl_callback *callback,
|
||
uint32_t time)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = data;
|
||
|
||
dri2_surf->throttle_callback = NULL;
|
||
wl_callback_destroy(callback);
|
||
}
|
||
|
||
static const struct wl_callback_listener throttle_listener = {
|
||
.done = wayland_throttle_callback
|
||
};
|
||
|
||
static EGLBoolean
|
||
get_fourcc(struct dri2_egl_display *dri2_dpy,
|
||
__DRIimage *image, int *fourcc)
|
||
{
|
||
EGLBoolean query;
|
||
int dri_format;
|
||
int visual_idx;
|
||
|
||
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FOURCC,
|
||
fourcc);
|
||
if (query)
|
||
return true;
|
||
|
||
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT,
|
||
&dri_format);
|
||
if (!query)
|
||
return false;
|
||
|
||
visual_idx = dri2_wl_visual_idx_from_dri_image_format(dri_format);
|
||
if (visual_idx == -1)
|
||
return false;
|
||
|
||
*fourcc = dri2_wl_visuals[visual_idx].wl_drm_format;
|
||
return true;
|
||
}
|
||
|
||
static struct wl_buffer *
|
||
create_wl_buffer(struct dri2_egl_display *dri2_dpy,
|
||
struct dri2_egl_surface *dri2_surf,
|
||
__DRIimage *image)
|
||
{
|
||
struct wl_buffer *ret;
|
||
EGLBoolean query;
|
||
int width, height, fourcc, num_planes;
|
||
uint64_t modifier = DRM_FORMAT_MOD_INVALID;
|
||
|
||
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
|
||
query &= dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT,
|
||
&height);
|
||
query &= get_fourcc(dri2_dpy, image, &fourcc);
|
||
if (!query)
|
||
return NULL;
|
||
|
||
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NUM_PLANES,
|
||
&num_planes);
|
||
if (!query)
|
||
num_planes = 1;
|
||
|
||
if (dri2_dpy->image->base.version >= 15) {
|
||
int mod_hi, mod_lo;
|
||
|
||
query = dri2_dpy->image->queryImage(image,
|
||
__DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
|
||
&mod_hi);
|
||
query &= dri2_dpy->image->queryImage(image,
|
||
__DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
|
||
&mod_lo);
|
||
if (query) {
|
||
modifier = combine_u32_into_u64(mod_hi, mod_lo);
|
||
}
|
||
}
|
||
|
||
bool supported_modifier = false;
|
||
bool mod_invalid_supported = false;
|
||
int visual_idx = dri2_wl_visual_idx_from_fourcc(fourcc);
|
||
assert(visual_idx != -1);
|
||
|
||
uint64_t *mod;
|
||
u_vector_foreach(mod, &dri2_dpy->wl_modifiers[visual_idx]) {
|
||
if (*mod == DRM_FORMAT_MOD_INVALID) {
|
||
mod_invalid_supported = true;
|
||
}
|
||
if (*mod == modifier) {
|
||
supported_modifier = true;
|
||
break;
|
||
}
|
||
}
|
||
if (!supported_modifier && mod_invalid_supported) {
|
||
/* If the server has advertised DRM_FORMAT_MOD_INVALID then we trust
|
||
* that the client has allocated the buffer with the right implicit
|
||
* modifier for the format, even though it's allocated a buffer the
|
||
* server hasn't explicitly claimed to support. */
|
||
modifier = DRM_FORMAT_MOD_INVALID;
|
||
supported_modifier = true;
|
||
}
|
||
|
||
if (dri2_dpy->wl_dmabuf && supported_modifier) {
|
||
struct zwp_linux_buffer_params_v1 *params;
|
||
int i;
|
||
|
||
/* We don't need a wrapper for wl_dmabuf objects, because we have to
|
||
* create the intermediate params object; we can set the queue on this,
|
||
* and the wl_buffer inherits it race-free. */
|
||
params = zwp_linux_dmabuf_v1_create_params(dri2_dpy->wl_dmabuf);
|
||
if (dri2_surf)
|
||
wl_proxy_set_queue((struct wl_proxy *) params, dri2_surf->wl_queue);
|
||
|
||
for (i = 0; i < num_planes; i++) {
|
||
__DRIimage *p_image;
|
||
int stride, offset;
|
||
int fd = -1;
|
||
|
||
p_image = dri2_dpy->image->fromPlanar(image, i, NULL);
|
||
if (!p_image) {
|
||
assert(i == 0);
|
||
p_image = image;
|
||
}
|
||
|
||
query = dri2_dpy->image->queryImage(p_image,
|
||
__DRI_IMAGE_ATTRIB_FD,
|
||
&fd);
|
||
query &= dri2_dpy->image->queryImage(p_image,
|
||
__DRI_IMAGE_ATTRIB_STRIDE,
|
||
&stride);
|
||
query &= dri2_dpy->image->queryImage(p_image,
|
||
__DRI_IMAGE_ATTRIB_OFFSET,
|
||
&offset);
|
||
if (image != p_image)
|
||
dri2_dpy->image->destroyImage(p_image);
|
||
|
||
if (!query) {
|
||
if (fd >= 0)
|
||
close(fd);
|
||
zwp_linux_buffer_params_v1_destroy(params);
|
||
return NULL;
|
||
}
|
||
|
||
zwp_linux_buffer_params_v1_add(params, fd, i, offset, stride,
|
||
modifier >> 32, modifier & 0xffffffff);
|
||
close(fd);
|
||
}
|
||
|
||
ret = zwp_linux_buffer_params_v1_create_immed(params, width, height,
|
||
fourcc, 0);
|
||
zwp_linux_buffer_params_v1_destroy(params);
|
||
} else if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
|
||
struct wl_drm *wl_drm =
|
||
dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
|
||
int fd, stride;
|
||
|
||
if (num_planes > 1)
|
||
return NULL;
|
||
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
|
||
ret = wl_drm_create_prime_buffer(wl_drm, fd, width, height, fourcc, 0,
|
||
stride, 0, 0, 0, 0);
|
||
close(fd);
|
||
} else {
|
||
struct wl_drm *wl_drm =
|
||
dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
|
||
int name, stride;
|
||
|
||
if (num_planes > 1)
|
||
return NULL;
|
||
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
|
||
ret = wl_drm_create_buffer(wl_drm, name, width, height, stride, fourcc);
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
static EGLBoolean
|
||
try_damage_buffer(struct dri2_egl_surface *dri2_surf,
|
||
const EGLint *rects,
|
||
EGLint n_rects)
|
||
{
|
||
if (wl_proxy_get_version((struct wl_proxy *) dri2_surf->wl_surface_wrapper)
|
||
< WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
|
||
return EGL_FALSE;
|
||
|
||
for (int i = 0; i < n_rects; i++) {
|
||
const int *rect = &rects[i * 4];
|
||
|
||
wl_surface_damage_buffer(dri2_surf->wl_surface_wrapper,
|
||
rect[0],
|
||
dri2_surf->base.Height - rect[1] - rect[3],
|
||
rect[2], rect[3]);
|
||
}
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
/**
|
||
* Called via eglSwapBuffers(), drv->SwapBuffers().
|
||
*/
|
||
static EGLBoolean
|
||
dri2_wl_swap_buffers_with_damage(_EGLDisplay *disp,
|
||
_EGLSurface *draw,
|
||
const EGLint *rects,
|
||
EGLint n_rects)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
|
||
|
||
if (!dri2_surf->wl_win)
|
||
return _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_swap_buffers");
|
||
|
||
while (dri2_surf->throttle_callback != NULL)
|
||
if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
|
||
dri2_surf->wl_queue) == -1)
|
||
return -1;
|
||
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
|
||
if (dri2_surf->color_buffers[i].age > 0)
|
||
dri2_surf->color_buffers[i].age++;
|
||
|
||
/* Make sure we have a back buffer in case we're swapping without ever
|
||
* rendering. */
|
||
if (update_buffers_if_needed(dri2_surf) < 0)
|
||
return _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
|
||
|
||
if (draw->SwapInterval > 0) {
|
||
dri2_surf->throttle_callback =
|
||
wl_surface_frame(dri2_surf->wl_surface_wrapper);
|
||
wl_callback_add_listener(dri2_surf->throttle_callback,
|
||
&throttle_listener, dri2_surf);
|
||
}
|
||
|
||
dri2_surf->back->age = 1;
|
||
dri2_surf->current = dri2_surf->back;
|
||
dri2_surf->back = NULL;
|
||
|
||
if (!dri2_surf->current->wl_buffer) {
|
||
__DRIimage *image;
|
||
|
||
if (dri2_dpy->is_different_gpu)
|
||
image = dri2_surf->current->linear_copy;
|
||
else
|
||
image = dri2_surf->current->dri_image;
|
||
|
||
dri2_surf->current->wl_buffer =
|
||
create_wl_buffer(dri2_dpy, dri2_surf, image);
|
||
|
||
dri2_surf->current->wl_release = false;
|
||
|
||
wl_buffer_add_listener(dri2_surf->current->wl_buffer,
|
||
&wl_buffer_listener, dri2_surf);
|
||
}
|
||
|
||
wl_surface_attach(dri2_surf->wl_surface_wrapper,
|
||
dri2_surf->current->wl_buffer,
|
||
dri2_surf->dx, dri2_surf->dy);
|
||
|
||
dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
|
||
dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
|
||
/* reset resize growing parameters */
|
||
dri2_surf->dx = 0;
|
||
dri2_surf->dy = 0;
|
||
|
||
/* If the compositor doesn't support damage_buffer, we deliberately
|
||
* ignore the damage region and post maximum damage, due to
|
||
* https://bugs.freedesktop.org/78190 */
|
||
if (!n_rects || !try_damage_buffer(dri2_surf, rects, n_rects))
|
||
wl_surface_damage(dri2_surf->wl_surface_wrapper,
|
||
0, 0, INT32_MAX, INT32_MAX);
|
||
|
||
if (dri2_dpy->is_different_gpu) {
|
||
_EGLContext *ctx = _eglGetCurrentContext();
|
||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||
dri2_dpy->image->blitImage(dri2_ctx->dri_context,
|
||
dri2_surf->current->linear_copy,
|
||
dri2_surf->current->dri_image,
|
||
0, 0, dri2_surf->base.Width,
|
||
dri2_surf->base.Height,
|
||
0, 0, dri2_surf->base.Width,
|
||
dri2_surf->base.Height, 0);
|
||
}
|
||
|
||
dri2_flush_drawable_for_swapbuffers(disp, draw);
|
||
dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
|
||
|
||
wl_surface_commit(dri2_surf->wl_surface_wrapper);
|
||
|
||
/* If we're not waiting for a frame callback then we'll at least throttle
|
||
* to a sync callback so that we always give a chance for the compositor to
|
||
* handle the commit and send a release event before checking for a free
|
||
* buffer */
|
||
if (dri2_surf->throttle_callback == NULL) {
|
||
dri2_surf->throttle_callback = wl_display_sync(dri2_surf->wl_dpy_wrapper);
|
||
wl_callback_add_listener(dri2_surf->throttle_callback,
|
||
&throttle_listener, dri2_surf);
|
||
}
|
||
|
||
wl_display_flush(dri2_dpy->wl_dpy);
|
||
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static EGLint
|
||
dri2_wl_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surface)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
|
||
|
||
if (update_buffers_if_needed(dri2_surf) < 0) {
|
||
_eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
|
||
return -1;
|
||
}
|
||
|
||
return dri2_surf->back->age;
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_wl_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
|
||
{
|
||
return dri2_wl_swap_buffers_with_damage(disp, draw, NULL, 0);
|
||
}
|
||
|
||
static struct wl_buffer *
|
||
dri2_wl_create_wayland_buffer_from_image(_EGLDisplay *disp, _EGLImage *img)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
|
||
__DRIimage *image = dri2_img->dri_image;
|
||
struct wl_buffer *buffer;
|
||
int format, visual_idx;
|
||
|
||
/* Check the upstream display supports this buffer's format. */
|
||
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
|
||
visual_idx = dri2_wl_visual_idx_from_dri_image_format(format);
|
||
if (visual_idx == -1)
|
||
goto bad_format;
|
||
|
||
if (!BITSET_TEST(dri2_dpy->formats, visual_idx))
|
||
goto bad_format;
|
||
|
||
buffer = create_wl_buffer(dri2_dpy, NULL, image);
|
||
|
||
/* The buffer object will have been created with our internal event queue
|
||
* because it is using wl_dmabuf/wl_drm as a proxy factory. We want the
|
||
* buffer to be used by the application so we'll reset it to the display's
|
||
* default event queue. This isn't actually racy, as the only event the
|
||
* buffer can get is a buffer release, which doesn't happen with an explicit
|
||
* attach. */
|
||
if (buffer)
|
||
wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
|
||
|
||
return buffer;
|
||
|
||
bad_format:
|
||
_eglError(EGL_BAD_MATCH, "unsupported image format");
|
||
return NULL;
|
||
}
|
||
|
||
static int
|
||
dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
int ret = 0;
|
||
|
||
if (dri2_dpy->is_render_node) {
|
||
_eglLog(_EGL_WARNING, "wayland-egl: client asks server to "
|
||
"authenticate for render-nodes");
|
||
return 0;
|
||
}
|
||
dri2_dpy->authenticated = false;
|
||
|
||
wl_drm_authenticate(dri2_dpy->wl_drm, id);
|
||
if (roundtrip(dri2_dpy) < 0)
|
||
ret = -1;
|
||
|
||
if (!dri2_dpy->authenticated)
|
||
ret = -1;
|
||
|
||
/* reset authenticated */
|
||
dri2_dpy->authenticated = true;
|
||
|
||
return ret;
|
||
}
|
||
|
||
static void
|
||
drm_handle_device(void *data, struct wl_drm *drm, const char *device)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
drm_magic_t magic;
|
||
|
||
dri2_dpy->device_name = strdup(device);
|
||
if (!dri2_dpy->device_name)
|
||
return;
|
||
|
||
dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
|
||
if (dri2_dpy->fd == -1) {
|
||
_eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
|
||
dri2_dpy->device_name, strerror(errno));
|
||
free(dri2_dpy->device_name);
|
||
dri2_dpy->device_name = NULL;
|
||
return;
|
||
}
|
||
|
||
if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) {
|
||
dri2_dpy->authenticated = true;
|
||
} else {
|
||
if (drmGetMagic(dri2_dpy->fd, &magic)) {
|
||
close(dri2_dpy->fd);
|
||
dri2_dpy->fd = -1;
|
||
free(dri2_dpy->device_name);
|
||
dri2_dpy->device_name = NULL;
|
||
_eglLog(_EGL_WARNING, "wayland-egl: drmGetMagic failed");
|
||
return;
|
||
}
|
||
wl_drm_authenticate(dri2_dpy->wl_drm, magic);
|
||
}
|
||
}
|
||
|
||
static void
|
||
drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
int visual_idx = dri2_wl_visual_idx_from_fourcc(format);
|
||
|
||
if (visual_idx == -1)
|
||
return;
|
||
|
||
BITSET_SET(dri2_dpy->formats, visual_idx);
|
||
}
|
||
|
||
static void
|
||
drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
|
||
dri2_dpy->capabilities = value;
|
||
}
|
||
|
||
static void
|
||
drm_handle_authenticated(void *data, struct wl_drm *drm)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
|
||
dri2_dpy->authenticated = true;
|
||
}
|
||
|
||
static const struct wl_drm_listener drm_listener = {
|
||
.device = drm_handle_device,
|
||
.format = drm_handle_format,
|
||
.authenticated = drm_handle_authenticated,
|
||
.capabilities = drm_handle_capabilities
|
||
};
|
||
|
||
static void
|
||
dmabuf_ignore_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
|
||
uint32_t format)
|
||
{
|
||
/* formats are implicitly advertised by the 'modifier' event, so ignore */
|
||
}
|
||
|
||
static void
|
||
dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
|
||
uint32_t format, uint32_t modifier_hi,
|
||
uint32_t modifier_lo)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
int visual_idx = dri2_wl_visual_idx_from_fourcc(format);
|
||
uint64_t *mod;
|
||
|
||
if (visual_idx == -1)
|
||
return;
|
||
|
||
BITSET_SET(dri2_dpy->formats, visual_idx);
|
||
|
||
mod = u_vector_add(&dri2_dpy->wl_modifiers[visual_idx]);
|
||
*mod = combine_u32_into_u64(modifier_hi, modifier_lo);
|
||
}
|
||
|
||
static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
|
||
.format = dmabuf_ignore_format,
|
||
.modifier = dmabuf_handle_modifier,
|
||
};
|
||
|
||
static void
|
||
registry_handle_global_drm(void *data, struct wl_registry *registry,
|
||
uint32_t name, const char *interface,
|
||
uint32_t version)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
|
||
if (strcmp(interface, "wl_drm") == 0) {
|
||
dri2_dpy->wl_drm =
|
||
wl_registry_bind(registry, name, &wl_drm_interface, MIN2(version, 2));
|
||
wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
|
||
} else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version >= 3) {
|
||
dri2_dpy->wl_dmabuf =
|
||
wl_registry_bind(registry, name, &zwp_linux_dmabuf_v1_interface,
|
||
MIN2(version, 3));
|
||
zwp_linux_dmabuf_v1_add_listener(dri2_dpy->wl_dmabuf, &dmabuf_listener,
|
||
dri2_dpy);
|
||
}
|
||
}
|
||
|
||
static void
|
||
registry_handle_global_remove(void *data, struct wl_registry *registry,
|
||
uint32_t name)
|
||
{
|
||
}
|
||
|
||
static const struct wl_registry_listener registry_listener_drm = {
|
||
.global = registry_handle_global_drm,
|
||
.global_remove = registry_handle_global_remove
|
||
};
|
||
|
||
static void
|
||
dri2_wl_setup_swap_interval(_EGLDisplay *disp)
|
||
{
|
||
/* We can't use values greater than 1 on Wayland because we are using the
|
||
* frame callback to synchronise the frame and the only way we be sure to
|
||
* get a frame callback is to attach a new buffer. Therefore we can't just
|
||
* sit drawing nothing to wait until the next ‘n’ frame callbacks */
|
||
|
||
dri2_setup_swap_interval(disp, 1);
|
||
}
|
||
|
||
static const struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
|
||
.authenticate = dri2_wl_authenticate,
|
||
.create_window_surface = dri2_wl_create_window_surface,
|
||
.create_pixmap_surface = dri2_wl_create_pixmap_surface,
|
||
.destroy_surface = dri2_wl_destroy_surface,
|
||
.create_image = dri2_create_image_khr,
|
||
.swap_buffers = dri2_wl_swap_buffers,
|
||
.swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
|
||
.query_buffer_age = dri2_wl_query_buffer_age,
|
||
.create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
|
||
.get_dri_drawable = dri2_surface_get_dri_drawable,
|
||
};
|
||
|
||
static const __DRIextension *dri2_loader_extensions[] = {
|
||
&dri2_loader_extension.base,
|
||
&image_loader_extension.base,
|
||
&image_lookup_extension.base,
|
||
&use_invalidate.base,
|
||
NULL,
|
||
};
|
||
|
||
static const __DRIextension *image_loader_extensions[] = {
|
||
&image_loader_extension.base,
|
||
&image_lookup_extension.base,
|
||
&use_invalidate.base,
|
||
NULL,
|
||
};
|
||
|
||
static EGLBoolean
|
||
dri2_wl_add_configs_for_visuals(_EGLDisplay *disp)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
unsigned int format_count[ARRAY_SIZE(dri2_wl_visuals)] = { 0 };
|
||
unsigned int count = 0;
|
||
bool assigned;
|
||
|
||
for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
|
||
assigned = false;
|
||
|
||
for (unsigned j = 0; j < ARRAY_SIZE(dri2_wl_visuals); j++) {
|
||
struct dri2_egl_config *dri2_conf;
|
||
|
||
if (!BITSET_TEST(dri2_dpy->formats, j))
|
||
continue;
|
||
|
||
dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
|
||
count + 1, EGL_WINDOW_BIT, NULL, dri2_wl_visuals[j].rgba_shifts, dri2_wl_visuals[j].rgba_sizes);
|
||
if (dri2_conf) {
|
||
if (dri2_conf->base.ConfigID == count + 1)
|
||
count++;
|
||
format_count[j]++;
|
||
assigned = true;
|
||
}
|
||
}
|
||
|
||
if (!assigned && dri2_dpy->is_different_gpu) {
|
||
struct dri2_egl_config *dri2_conf;
|
||
int alt_dri_image_format, c, s;
|
||
|
||
/* No match for config. Try if we can blitImage convert to a visual */
|
||
c = dri2_wl_visual_idx_from_config(dri2_dpy,
|
||
dri2_dpy->driver_configs[i],
|
||
false);
|
||
|
||
if (c == -1)
|
||
continue;
|
||
|
||
/* Find optimal target visual for blitImage conversion, if any. */
|
||
alt_dri_image_format = dri2_wl_visuals[c].alt_dri_image_format;
|
||
s = dri2_wl_visual_idx_from_dri_image_format(alt_dri_image_format);
|
||
|
||
if (s == -1 || !BITSET_TEST(dri2_dpy->formats, s))
|
||
continue;
|
||
|
||
/* Visual s works for the Wayland server, and c can be converted into s
|
||
* by our client gpu during PRIME blitImage conversion to a linear
|
||
* wl_buffer, so add visual c as supported by the client renderer.
|
||
*/
|
||
dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
|
||
count + 1, EGL_WINDOW_BIT, NULL,
|
||
dri2_wl_visuals[c].rgba_shifts,
|
||
dri2_wl_visuals[c].rgba_sizes);
|
||
if (dri2_conf) {
|
||
if (dri2_conf->base.ConfigID == count + 1)
|
||
count++;
|
||
format_count[c]++;
|
||
if (format_count[c] == 1)
|
||
_eglLog(_EGL_DEBUG, "Client format %s to server format %s via "
|
||
"PRIME blitImage.", dri2_wl_visuals[c].format_name,
|
||
dri2_wl_visuals[s].format_name);
|
||
}
|
||
}
|
||
}
|
||
|
||
for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
|
||
if (!format_count[i]) {
|
||
_eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
|
||
dri2_wl_visuals[i].format_name);
|
||
}
|
||
}
|
||
|
||
return (count != 0);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_initialize_wayland_drm(_EGLDisplay *disp)
|
||
{
|
||
_EGLDevice *dev;
|
||
struct dri2_egl_display *dri2_dpy;
|
||
|
||
dri2_dpy = calloc(1, sizeof *dri2_dpy);
|
||
if (!dri2_dpy)
|
||
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
|
||
|
||
dri2_dpy->fd = -1;
|
||
disp->DriverData = (void *) dri2_dpy;
|
||
if (disp->PlatformDisplay == NULL) {
|
||
dri2_dpy->wl_dpy = wl_display_connect(NULL);
|
||
if (dri2_dpy->wl_dpy == NULL)
|
||
goto cleanup;
|
||
dri2_dpy->own_device = true;
|
||
} else {
|
||
dri2_dpy->wl_dpy = disp->PlatformDisplay;
|
||
}
|
||
|
||
dri2_dpy->wl_modifiers =
|
||
calloc(ARRAY_SIZE(dri2_wl_visuals), sizeof(*dri2_dpy->wl_modifiers));
|
||
if (!dri2_dpy->wl_modifiers)
|
||
goto cleanup;
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
|
||
if (!u_vector_init_pow2(&dri2_dpy->wl_modifiers[i], 4, sizeof(uint64_t)))
|
||
goto cleanup;
|
||
}
|
||
|
||
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
|
||
|
||
dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
|
||
if (dri2_dpy->wl_dpy_wrapper == NULL)
|
||
goto cleanup;
|
||
|
||
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
|
||
dri2_dpy->wl_queue);
|
||
|
||
if (dri2_dpy->own_device)
|
||
wl_display_dispatch_pending(dri2_dpy->wl_dpy);
|
||
|
||
dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy_wrapper);
|
||
wl_registry_add_listener(dri2_dpy->wl_registry,
|
||
®istry_listener_drm, dri2_dpy);
|
||
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
|
||
goto cleanup;
|
||
|
||
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
|
||
goto cleanup;
|
||
|
||
if (!dri2_dpy->authenticated &&
|
||
(roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated))
|
||
goto cleanup;
|
||
|
||
dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd,
|
||
&dri2_dpy->is_different_gpu);
|
||
dev = _eglAddDevice(dri2_dpy->fd, false);
|
||
if (!dev) {
|
||
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
|
||
goto cleanup;
|
||
}
|
||
|
||
disp->Device = dev;
|
||
|
||
if (dri2_dpy->is_different_gpu) {
|
||
free(dri2_dpy->device_name);
|
||
dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
|
||
if (!dri2_dpy->device_name) {
|
||
_eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name "
|
||
"for requested GPU");
|
||
goto cleanup;
|
||
}
|
||
}
|
||
|
||
/* we have to do the check now, because loader_get_user_preferred_fd
|
||
* will return a render-node when the requested gpu is different
|
||
* to the server, but also if the client asks for the same gpu than
|
||
* the server by requesting its pci-id */
|
||
dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
|
||
|
||
dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
|
||
if (dri2_dpy->driver_name == NULL) {
|
||
_eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
|
||
goto cleanup;
|
||
}
|
||
|
||
/* render nodes cannot use Gem names, and thus do not support
|
||
* the __DRI_DRI2_LOADER extension */
|
||
if (!dri2_dpy->is_render_node) {
|
||
dri2_dpy->loader_extensions = dri2_loader_extensions;
|
||
if (!dri2_load_driver(disp)) {
|
||
_eglError(EGL_BAD_ALLOC, "DRI2: failed to load driver");
|
||
goto cleanup;
|
||
}
|
||
} else {
|
||
dri2_dpy->loader_extensions = image_loader_extensions;
|
||
if (!dri2_load_driver_dri3(disp)) {
|
||
_eglError(EGL_BAD_ALLOC, "DRI3: failed to load driver");
|
||
goto cleanup;
|
||
}
|
||
}
|
||
|
||
if (!dri2_create_screen(disp))
|
||
goto cleanup;
|
||
|
||
if (!dri2_setup_extensions(disp))
|
||
goto cleanup;
|
||
|
||
dri2_setup_screen(disp);
|
||
|
||
dri2_wl_setup_swap_interval(disp);
|
||
|
||
/* To use Prime, we must have _DRI_IMAGE v7 at least.
|
||
* createImageFromFds support indicates that Prime export/import
|
||
* is supported by the driver. Fall back to
|
||
* gem names if we don't have Prime support. */
|
||
|
||
if (dri2_dpy->image->base.version < 7 ||
|
||
dri2_dpy->image->createImageFromFds == NULL)
|
||
dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
|
||
|
||
/* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
|
||
* The server needs to accept them */
|
||
if (dri2_dpy->is_render_node &&
|
||
!(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) {
|
||
_eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable");
|
||
goto cleanup;
|
||
}
|
||
|
||
if (dri2_dpy->is_different_gpu &&
|
||
(dri2_dpy->image->base.version < 9 ||
|
||
dri2_dpy->image->blitImage == NULL)) {
|
||
_eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the "
|
||
"Image extension in the driver is not "
|
||
"compatible. Version 9 or later and blitImage() "
|
||
"are required");
|
||
goto cleanup;
|
||
}
|
||
|
||
if (!dri2_wl_add_configs_for_visuals(disp)) {
|
||
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
|
||
goto cleanup;
|
||
}
|
||
|
||
dri2_set_WL_bind_wayland_display(disp);
|
||
/* When cannot convert EGLImage to wl_buffer when on a different gpu,
|
||
* because the buffer of the EGLImage has likely a tiling mode the server
|
||
* gpu won't support. These is no way to check for now. Thus do not support the
|
||
* extension */
|
||
if (!dri2_dpy->is_different_gpu)
|
||
disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
|
||
|
||
disp->Extensions.EXT_buffer_age = EGL_TRUE;
|
||
|
||
disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
|
||
|
||
disp->Extensions.EXT_present_opaque = EGL_TRUE;
|
||
|
||
/* Fill vtbl last to prevent accidentally calling virtual function during
|
||
* initialization.
|
||
*/
|
||
dri2_dpy->vtbl = &dri2_wl_display_vtbl;
|
||
|
||
return EGL_TRUE;
|
||
|
||
cleanup:
|
||
dri2_display_destroy(disp);
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
static int
|
||
dri2_wl_swrast_get_stride_for_format(int format, int w)
|
||
{
|
||
int visual_idx = dri2_wl_visual_idx_from_shm_format(format);
|
||
|
||
assume(visual_idx != -1);
|
||
|
||
return w * (dri2_wl_visuals[visual_idx].bpp / 8);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface *dri2_surf,
|
||
int format, int w, int h,
|
||
void **data, int *size,
|
||
struct wl_buffer **buffer)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
struct wl_shm_pool *pool;
|
||
int fd, stride, size_map;
|
||
void *data_map;
|
||
|
||
stride = dri2_wl_swrast_get_stride_for_format(format, w);
|
||
size_map = h * stride;
|
||
|
||
/* Create a shareable buffer */
|
||
fd = os_create_anonymous_file(size_map, NULL);
|
||
if (fd < 0)
|
||
return EGL_FALSE;
|
||
|
||
data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
||
if (data_map == MAP_FAILED) {
|
||
close(fd);
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
/* Share it in a wl_buffer */
|
||
pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
|
||
wl_proxy_set_queue((struct wl_proxy *)pool, dri2_surf->wl_queue);
|
||
*buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
|
||
wl_shm_pool_destroy(pool);
|
||
close(fd);
|
||
|
||
*data = data_map;
|
||
*size = size_map;
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static int
|
||
swrast_update_buffers(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy =
|
||
dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
/* we need to do the following operations only once per frame */
|
||
if (dri2_surf->back)
|
||
return 0;
|
||
|
||
if (dri2_surf->wl_win &&
|
||
(dri2_surf->base.Width != dri2_surf->wl_win->width ||
|
||
dri2_surf->base.Height != dri2_surf->wl_win->height)) {
|
||
|
||
dri2_wl_release_buffers(dri2_surf);
|
||
|
||
dri2_surf->base.Width = dri2_surf->wl_win->width;
|
||
dri2_surf->base.Height = dri2_surf->wl_win->height;
|
||
dri2_surf->dx = dri2_surf->wl_win->dx;
|
||
dri2_surf->dy = dri2_surf->wl_win->dy;
|
||
dri2_surf->current = NULL;
|
||
}
|
||
|
||
/* find back buffer */
|
||
|
||
/* There might be a buffer release already queued that wasn't processed */
|
||
wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
|
||
|
||
/* try get free buffer already created */
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (!dri2_surf->color_buffers[i].locked &&
|
||
dri2_surf->color_buffers[i].wl_buffer) {
|
||
dri2_surf->back = &dri2_surf->color_buffers[i];
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* else choose any another free location */
|
||
if (!dri2_surf->back) {
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (!dri2_surf->color_buffers[i].locked) {
|
||
dri2_surf->back = &dri2_surf->color_buffers[i];
|
||
if (!dri2_wl_swrast_allocate_buffer(dri2_surf,
|
||
dri2_surf->format,
|
||
dri2_surf->base.Width,
|
||
dri2_surf->base.Height,
|
||
&dri2_surf->back->data,
|
||
&dri2_surf->back->data_size,
|
||
&dri2_surf->back->wl_buffer)) {
|
||
_eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
|
||
return -1;
|
||
}
|
||
wl_buffer_add_listener(dri2_surf->back->wl_buffer,
|
||
&wl_buffer_listener, dri2_surf);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!dri2_surf->back) {
|
||
_eglError(EGL_BAD_ALLOC, "failed to find free buffer");
|
||
return -1;
|
||
}
|
||
|
||
dri2_surf->back->locked = true;
|
||
|
||
/* If we have an extra unlocked buffer at this point, we had to do triple
|
||
* buffering for a while, but now can go back to just double buffering.
|
||
* That means we can free any unlocked buffer now. */
|
||
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
|
||
if (!dri2_surf->color_buffers[i].locked &&
|
||
dri2_surf->color_buffers[i].wl_buffer) {
|
||
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
|
||
munmap(dri2_surf->color_buffers[i].data,
|
||
dri2_surf->color_buffers[i].data_size);
|
||
dri2_surf->color_buffers[i].wl_buffer = NULL;
|
||
dri2_surf->color_buffers[i].data = NULL;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static void*
|
||
dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
/* if there has been a resize: */
|
||
if (!dri2_surf->current)
|
||
return NULL;
|
||
|
||
return dri2_surf->current->data;
|
||
}
|
||
|
||
static void*
|
||
dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
assert(dri2_surf->back);
|
||
return dri2_surf->back->data;
|
||
}
|
||
|
||
static void
|
||
dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
|
||
|
||
while (dri2_surf->throttle_callback != NULL)
|
||
if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
|
||
dri2_surf->wl_queue) == -1)
|
||
return;
|
||
|
||
if (dri2_surf->base.SwapInterval > 0) {
|
||
dri2_surf->throttle_callback =
|
||
wl_surface_frame(dri2_surf->wl_surface_wrapper);
|
||
wl_callback_add_listener(dri2_surf->throttle_callback,
|
||
&throttle_listener, dri2_surf);
|
||
}
|
||
|
||
dri2_surf->current = dri2_surf->back;
|
||
dri2_surf->back = NULL;
|
||
|
||
wl_surface_attach(dri2_surf->wl_surface_wrapper,
|
||
dri2_surf->current->wl_buffer,
|
||
dri2_surf->dx, dri2_surf->dy);
|
||
|
||
dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
|
||
dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
|
||
/* reset resize growing parameters */
|
||
dri2_surf->dx = 0;
|
||
dri2_surf->dy = 0;
|
||
|
||
wl_surface_damage(dri2_surf->wl_surface_wrapper,
|
||
0, 0, INT32_MAX, INT32_MAX);
|
||
wl_surface_commit(dri2_surf->wl_surface_wrapper);
|
||
|
||
/* If we're not waiting for a frame callback then we'll at least throttle
|
||
* to a sync callback so that we always give a chance for the compositor to
|
||
* handle the commit and send a release event before checking for a free
|
||
* buffer */
|
||
if (dri2_surf->throttle_callback == NULL) {
|
||
dri2_surf->throttle_callback = wl_display_sync(dri2_surf->wl_dpy_wrapper);
|
||
wl_callback_add_listener(dri2_surf->throttle_callback,
|
||
&throttle_listener, dri2_surf);
|
||
}
|
||
|
||
wl_display_flush(dri2_dpy->wl_dpy);
|
||
}
|
||
|
||
static void
|
||
dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw,
|
||
int *x, int *y, int *w, int *h,
|
||
void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
|
||
(void) swrast_update_buffers(dri2_surf);
|
||
*x = 0;
|
||
*y = 0;
|
||
*w = dri2_surf->base.Width;
|
||
*h = dri2_surf->base.Height;
|
||
}
|
||
|
||
static void
|
||
dri2_wl_swrast_get_image(__DRIdrawable * read,
|
||
int x, int y, int w, int h,
|
||
char *data, void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
|
||
int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
|
||
int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
|
||
int dst_stride = copy_width;
|
||
char *src, *dst;
|
||
|
||
src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf);
|
||
if (!src) {
|
||
memset(data, 0, copy_width * h);
|
||
return;
|
||
}
|
||
|
||
assert(data != src);
|
||
assert(copy_width <= src_stride);
|
||
|
||
src += x_offset;
|
||
src += y * src_stride;
|
||
dst = data;
|
||
|
||
if (copy_width > src_stride-x_offset)
|
||
copy_width = src_stride-x_offset;
|
||
if (h > dri2_surf->base.Height-y)
|
||
h = dri2_surf->base.Height-y;
|
||
|
||
for (; h>0; h--) {
|
||
memcpy(dst, src, copy_width);
|
||
src += src_stride;
|
||
dst += dst_stride;
|
||
}
|
||
}
|
||
|
||
static void
|
||
dri2_wl_swrast_put_image2(__DRIdrawable * draw, int op,
|
||
int x, int y, int w, int h, int stride,
|
||
char *data, void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
|
||
int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
|
||
int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
|
||
char *src, *dst;
|
||
|
||
assert(copy_width <= stride);
|
||
|
||
(void) swrast_update_buffers(dri2_surf);
|
||
dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf);
|
||
|
||
/* partial copy, copy old content */
|
||
if (copy_width < dst_stride)
|
||
dri2_wl_swrast_get_image(draw, 0, 0,
|
||
dri2_surf->base.Width, dri2_surf->base.Height,
|
||
dst, loaderPrivate);
|
||
|
||
dst += x_offset;
|
||
dst += y * dst_stride;
|
||
|
||
src = data;
|
||
|
||
/* drivers expect we do these checks (and some rely on it) */
|
||
if (copy_width > dst_stride-x_offset)
|
||
copy_width = dst_stride-x_offset;
|
||
if (h > dri2_surf->base.Height-y)
|
||
h = dri2_surf->base.Height-y;
|
||
|
||
for (; h>0; h--) {
|
||
memcpy(dst, src, copy_width);
|
||
src += stride;
|
||
dst += dst_stride;
|
||
}
|
||
dri2_wl_swrast_commit_backbuffer(dri2_surf);
|
||
}
|
||
|
||
static void
|
||
dri2_wl_swrast_put_image(__DRIdrawable * draw, int op,
|
||
int x, int y, int w, int h,
|
||
char *data, void *loaderPrivate)
|
||
{
|
||
struct dri2_egl_surface *dri2_surf = loaderPrivate;
|
||
int stride;
|
||
|
||
stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
|
||
dri2_wl_swrast_put_image2(draw, op, x, y, w, h,
|
||
stride, data, loaderPrivate);
|
||
}
|
||
|
||
static EGLBoolean
|
||
dri2_wl_swrast_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
|
||
|
||
if (!dri2_surf->wl_win)
|
||
return _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_swap_buffers");
|
||
|
||
dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
|
||
return EGL_TRUE;
|
||
}
|
||
|
||
static void
|
||
shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
int visual_idx = dri2_wl_visual_idx_from_shm_format(format);
|
||
|
||
if (visual_idx == -1)
|
||
return;
|
||
|
||
BITSET_SET(dri2_dpy->formats, visual_idx);
|
||
}
|
||
|
||
static const struct wl_shm_listener shm_listener = {
|
||
.format = shm_handle_format
|
||
};
|
||
|
||
static void
|
||
registry_handle_global_swrast(void *data, struct wl_registry *registry,
|
||
uint32_t name, const char *interface,
|
||
uint32_t version)
|
||
{
|
||
struct dri2_egl_display *dri2_dpy = data;
|
||
|
||
if (strcmp(interface, "wl_shm") == 0) {
|
||
dri2_dpy->wl_shm =
|
||
wl_registry_bind(registry, name, &wl_shm_interface, 1);
|
||
wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy);
|
||
}
|
||
}
|
||
|
||
static const struct wl_registry_listener registry_listener_swrast = {
|
||
.global = registry_handle_global_swrast,
|
||
.global_remove = registry_handle_global_remove
|
||
};
|
||
|
||
static const struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
|
||
.authenticate = NULL,
|
||
.create_window_surface = dri2_wl_create_window_surface,
|
||
.create_pixmap_surface = dri2_wl_create_pixmap_surface,
|
||
.destroy_surface = dri2_wl_destroy_surface,
|
||
.create_image = dri2_create_image_khr,
|
||
.swap_buffers = dri2_wl_swrast_swap_buffers,
|
||
.get_dri_drawable = dri2_surface_get_dri_drawable,
|
||
};
|
||
|
||
static const __DRIswrastLoaderExtension swrast_loader_extension = {
|
||
.base = { __DRI_SWRAST_LOADER, 2 },
|
||
|
||
.getDrawableInfo = dri2_wl_swrast_get_drawable_info,
|
||
.putImage = dri2_wl_swrast_put_image,
|
||
.getImage = dri2_wl_swrast_get_image,
|
||
.putImage2 = dri2_wl_swrast_put_image2,
|
||
};
|
||
|
||
static const __DRIextension *swrast_loader_extensions[] = {
|
||
&swrast_loader_extension.base,
|
||
&image_lookup_extension.base,
|
||
NULL,
|
||
};
|
||
|
||
static EGLBoolean
|
||
dri2_initialize_wayland_swrast(_EGLDisplay *disp)
|
||
{
|
||
_EGLDevice *dev;
|
||
struct dri2_egl_display *dri2_dpy;
|
||
|
||
dri2_dpy = calloc(1, sizeof *dri2_dpy);
|
||
if (!dri2_dpy)
|
||
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
|
||
|
||
dri2_dpy->fd = -1;
|
||
disp->DriverData = (void *) dri2_dpy;
|
||
if (disp->PlatformDisplay == NULL) {
|
||
dri2_dpy->wl_dpy = wl_display_connect(NULL);
|
||
if (dri2_dpy->wl_dpy == NULL)
|
||
goto cleanup;
|
||
dri2_dpy->own_device = true;
|
||
} else {
|
||
dri2_dpy->wl_dpy = disp->PlatformDisplay;
|
||
}
|
||
|
||
dev = _eglAddDevice(dri2_dpy->fd, true);
|
||
if (!dev) {
|
||
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
|
||
goto cleanup;
|
||
}
|
||
|
||
disp->Device = dev;
|
||
|
||
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
|
||
|
||
dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
|
||
if (dri2_dpy->wl_dpy_wrapper == NULL)
|
||
goto cleanup;
|
||
|
||
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
|
||
dri2_dpy->wl_queue);
|
||
|
||
if (dri2_dpy->own_device)
|
||
wl_display_dispatch_pending(dri2_dpy->wl_dpy);
|
||
|
||
dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy_wrapper);
|
||
wl_registry_add_listener(dri2_dpy->wl_registry,
|
||
®istry_listener_swrast, dri2_dpy);
|
||
|
||
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
|
||
goto cleanup;
|
||
|
||
if (roundtrip(dri2_dpy) < 0 || !BITSET_TEST_RANGE(dri2_dpy->formats,
|
||
0, EGL_DRI2_MAX_FORMATS))
|
||
goto cleanup;
|
||
|
||
dri2_dpy->driver_name = strdup("swrast");
|
||
if (!dri2_load_driver_swrast(disp))
|
||
goto cleanup;
|
||
|
||
dri2_dpy->loader_extensions = swrast_loader_extensions;
|
||
|
||
if (!dri2_create_screen(disp))
|
||
goto cleanup;
|
||
|
||
if (!dri2_setup_extensions(disp))
|
||
goto cleanup;
|
||
|
||
dri2_setup_screen(disp);
|
||
|
||
dri2_wl_setup_swap_interval(disp);
|
||
|
||
if (!dri2_wl_add_configs_for_visuals(disp)) {
|
||
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
|
||
goto cleanup;
|
||
}
|
||
|
||
/* Fill vtbl last to prevent accidentally calling virtual function during
|
||
* initialization.
|
||
*/
|
||
dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
|
||
|
||
return EGL_TRUE;
|
||
|
||
cleanup:
|
||
dri2_display_destroy(disp);
|
||
return EGL_FALSE;
|
||
}
|
||
|
||
EGLBoolean
|
||
dri2_initialize_wayland(_EGLDisplay *disp)
|
||
{
|
||
if (disp->Options.ForceSoftware)
|
||
return dri2_initialize_wayland_swrast(disp);
|
||
else
|
||
return dri2_initialize_wayland_drm(disp);
|
||
}
|
||
|
||
void
|
||
dri2_teardown_wayland(struct dri2_egl_display *dri2_dpy)
|
||
{
|
||
if (dri2_dpy->wl_drm)
|
||
wl_drm_destroy(dri2_dpy->wl_drm);
|
||
if (dri2_dpy->wl_dmabuf)
|
||
zwp_linux_dmabuf_v1_destroy(dri2_dpy->wl_dmabuf);
|
||
if (dri2_dpy->wl_shm)
|
||
wl_shm_destroy(dri2_dpy->wl_shm);
|
||
if (dri2_dpy->wl_registry)
|
||
wl_registry_destroy(dri2_dpy->wl_registry);
|
||
if (dri2_dpy->wl_queue)
|
||
wl_event_queue_destroy(dri2_dpy->wl_queue);
|
||
if (dri2_dpy->wl_dpy_wrapper)
|
||
wl_proxy_wrapper_destroy(dri2_dpy->wl_dpy_wrapper);
|
||
|
||
for (int i = 0; dri2_dpy->wl_modifiers && i < ARRAY_SIZE(dri2_wl_visuals); i++)
|
||
u_vector_finish(&dri2_dpy->wl_modifiers[i]);
|
||
free(dri2_dpy->wl_modifiers);
|
||
|
||
if (dri2_dpy->own_device)
|
||
wl_display_disconnect(dri2_dpy->wl_dpy);
|
||
}
|