Merge branch 'feature/KASM-3806_hw3d' into 'master'
Resolve KASM-3806 "Feature/ hw3d" Closes KASM-3806 See merge request kasm-technologies/internal/KasmVNC!89release/1.1.0
Matthew McClaskey
3 years ago
commit
47bdc828c1
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/*
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!/hw
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/hw/*
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!/hw/vnc
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@ -0,0 +1,284 @@
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/* Copyright (c) 2023 Kasm
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the X Consortium.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifdef DRI3
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <X11/X.h>
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#include <X11/Xmd.h>
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#include <dri3.h>
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#include <drm_fourcc.h>
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#include <fb.h>
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#include <gcstruct.h>
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#include <gbm.h>
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extern const char *driNode;
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static struct priv_t {
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struct gbm_device *gbm;
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int fd;
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} priv;
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struct gbm_pixmap {
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struct gbm_bo *bo;
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};
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typedef struct gbm_pixmap gbm_pixmap;
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static DevPrivateKeyRec dri3_pixmap_private_key;
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static struct timeval start;
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static int
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xvnc_dri3_open_client(ClientPtr client,
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ScreenPtr screen,
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RRProviderPtr provider,
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int *pfd)
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{
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int fd = open(driNode, O_RDWR | O_CLOEXEC);
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if (fd < 0)
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return BadAlloc;
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*pfd = fd;
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return Success;
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}
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static uint32_t
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gbm_format_for_depth(CARD8 depth)
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{
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switch (depth) {
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case 16:
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return GBM_FORMAT_RGB565;
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case 24:
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return GBM_FORMAT_XRGB8888;
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case 30:
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return GBM_FORMAT_ARGB2101010;
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default:
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ErrorF("unexpected depth: %d\n", depth);
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/* fallthrough */
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case 32:
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return GBM_FORMAT_ARGB8888;
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}
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}
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static void dri3_pixmap_set_private(PixmapPtr pixmap, gbm_pixmap *gp)
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{
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dixSetPrivate(&pixmap->devPrivates, &dri3_pixmap_private_key, gp);
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}
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static gbm_pixmap *gbm_pixmap_get(PixmapPtr pixmap)
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{
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return dixLookupPrivate(&pixmap->devPrivates, &dri3_pixmap_private_key);
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}
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static PixmapPtr
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create_pixmap_for_bo(ScreenPtr screen, struct gbm_bo *bo, CARD8 depth)
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{
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PixmapPtr pixmap;
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gbm_pixmap *gp = calloc(1, sizeof(gbm_pixmap));
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if (!gp)
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return NULL;
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pixmap = screen->CreatePixmap(screen, gbm_bo_get_width(bo), gbm_bo_get_height(bo),
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depth, CREATE_PIXMAP_USAGE_SCRATCH);
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if (!pixmap)
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return NULL;
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gp->bo = bo;
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dri3_pixmap_set_private(pixmap, gp);
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return pixmap;
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}
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static PixmapPtr
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xvnc_pixmap_from_fds(ScreenPtr screen, CARD8 num_fds, const int *fds,
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CARD16 width, CARD16 height,
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const CARD32 *strides, const CARD32 *offsets,
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CARD8 depth, CARD8 bpp, uint64_t modifier)
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{
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struct gbm_bo *bo = NULL;
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PixmapPtr pixmap;
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if (width == 0 || height == 0 || num_fds == 0 ||
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depth < 15 || bpp != BitsPerPixel(depth) ||
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strides[0] < width * bpp / 8)
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return NULL;
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if (num_fds == 1) {
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struct gbm_import_fd_data data;
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data.fd = fds[0];
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data.width = width;
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data.height = height;
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data.stride = strides[0];
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data.format = gbm_format_for_depth(depth);
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bo = gbm_bo_import(priv.gbm, GBM_BO_IMPORT_FD, &data,
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GBM_BO_USE_RENDERING);
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if (!bo)
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return NULL;
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} else {
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return NULL;
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}
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pixmap = create_pixmap_for_bo(screen, bo, depth);
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if (pixmap == NULL) {
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gbm_bo_destroy(bo);
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return NULL;
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}
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return pixmap;
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}
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static int
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xvnc_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
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uint32_t *strides, uint32_t *offsets,
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uint64_t *modifier)
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{
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gbm_pixmap *gp = gbm_pixmap_get(pixmap);
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if (!gp)
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return 0;
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fds[0] = gbm_bo_get_fd(gp->bo);
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strides[0] = gbm_bo_get_stride(gp->bo);
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offsets[0] = 0;
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*modifier = DRM_FORMAT_MOD_INVALID;
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return 1;
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}
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static Bool
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xvnc_get_formats(ScreenPtr screen,
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CARD32 *num_formats, CARD32 **formats)
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{
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ErrorF("xvnc_get_formats\n");
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return FALSE;
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}
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static Bool
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xvnc_get_modifiers(ScreenPtr screen, uint32_t format,
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uint32_t *num_modifiers, uint64_t **modifiers)
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{
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ErrorF("xvnc_get_modifiers\n");
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return FALSE;
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}
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static Bool
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xvnc_get_drawable_modifiers(DrawablePtr draw, uint32_t format,
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uint32_t *num_modifiers, uint64_t **modifiers)
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{
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ErrorF("xvnc_get_drawable_modifiers\n");
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return FALSE;
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}
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static const dri3_screen_info_rec xvnc_dri3_info = {
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.version = 2,
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.open = NULL,
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.pixmap_from_fds = xvnc_pixmap_from_fds,
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.fds_from_pixmap = xvnc_fds_from_pixmap,
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.open_client = xvnc_dri3_open_client,
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.get_formats = xvnc_get_formats,
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.get_modifiers = xvnc_get_modifiers,
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.get_drawable_modifiers = xvnc_get_drawable_modifiers,
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};
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void xvnc_sync_dri3_pixmap(PixmapPtr pixmap)
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{
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// There doesn't seem to be a good hook or sync point, so we do it manually
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// here, right before Present copies from the pixmap
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DrawablePtr pDraw;
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GCPtr gc;
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void *ptr;
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uint32_t stride, w, h;
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void *opaque = NULL;
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gbm_pixmap *gp = gbm_pixmap_get(pixmap);
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if (!gp) {
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ErrorF("Present tried to copy from a non-dri3 pixmap\n");
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return;
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}
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w = gbm_bo_get_width(gp->bo);
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h = gbm_bo_get_height(gp->bo);
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ptr = gbm_bo_map(gp->bo, 0, 0, w, h,
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GBM_BO_TRANSFER_READ, &stride, &opaque);
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if (!ptr) {
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ErrorF("gbm map failed, errno %d\n", errno);
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return;
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}
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pDraw = &pixmap->drawable;
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if ((gc = GetScratchGC(pDraw->depth, pDraw->pScreen))) {
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ValidateGC(pDraw, gc);
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//gc->ops->PutImage(pDraw, gc, pDraw->depth, 0, 0, w, h, 0, ZPixmap, data);
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fbPutZImage(pDraw, fbGetCompositeClip(gc), gc->alu, fbGetGCPrivate(gc)->pm,
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0, 0, w, h, ptr, stride / sizeof(FbStip));
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FreeScratchGC(gc);
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}
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gbm_bo_unmap(gp->bo, opaque);
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}
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void xvnc_init_dri3(void)
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{
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memset(&priv, 0, sizeof(priv));
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gettimeofday(&start, NULL);
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if (!dixRegisterPrivateKey(&dri3_pixmap_private_key, PRIVATE_PIXMAP, 0))
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FatalError("dix\n");
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if (!driNode)
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driNode = "/dev/dri/renderD128";
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priv.fd = open(driNode, O_RDWR | O_CLOEXEC);
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if (!priv.fd)
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FatalError("Failed to open %s\n", driNode);
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priv.gbm = gbm_create_device(priv.fd);
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if (!priv.gbm)
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FatalError("Failed to create gbm\n");
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if (!dri3_screen_init(screenInfo.screens[0], &xvnc_dri3_info))
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FatalError("Couldn't init dri3\n");
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}
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#endif // DRI3
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