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drm: check for PRIME support

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PRIME support for buffer sharing has become mandatory since the renderer
rewrite. Make sure we check for the appropriate capabilities in backend,
allocator and renderer.

See also #2819.
This commit is contained in:
Stephan Hilb 2021-04-08 22:21:50 +02:00 committed by Simon Ser
parent d5105c42e3
commit 9f012cac2f
3 changed files with 18 additions and 7 deletions
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13
backend/drm/drm.c
View file

@ -30,14 +30,13 @@
bool check_drm_features(struct wlr_drm_backend *drm) { bool check_drm_features(struct wlr_drm_backend *drm) {
uint64_t cap; uint64_t cap;
if (drm->parent) { if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) || !(cap & DRM_PRIME_CAP_IMPORT)) {
!(cap & DRM_PRIME_CAP_IMPORT)) { wlr_log(WLR_ERROR, "PRIME import not supported");
wlr_log(WLR_ERROR, return false;
"PRIME import not supported on secondary GPU"); }
return false;
}
if (drm->parent) {
if (drmGetCap(drm->parent->fd, DRM_CAP_PRIME, &cap) || if (drmGetCap(drm->parent->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_EXPORT)) { !(cap & DRM_PRIME_CAP_EXPORT)) {
wlr_log(WLR_ERROR, wlr_log(WLR_ERROR,

7
render/gbm_allocator.c
View file

@ -160,6 +160,13 @@ static struct wlr_gbm_allocator *get_gbm_alloc_from_alloc(
} }
struct wlr_gbm_allocator *wlr_gbm_allocator_create(int fd) { struct wlr_gbm_allocator *wlr_gbm_allocator_create(int fd) {
uint64_t cap;
if (drmGetCap(fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_EXPORT)) {
wlr_log(WLR_ERROR, "PRIME export not supported");
return NULL;
}
struct wlr_gbm_allocator *alloc = calloc(1, sizeof(*alloc)); struct wlr_gbm_allocator *alloc = calloc(1, sizeof(*alloc));
if (alloc == NULL) { if (alloc == NULL) {
return NULL; return NULL;

5
render/gles2/renderer.c
View file

@ -746,6 +746,11 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
wlr_log(WLR_INFO, "GL renderer: %s", glGetString(GL_RENDERER)); wlr_log(WLR_INFO, "GL renderer: %s", glGetString(GL_RENDERER));
wlr_log(WLR_INFO, "Supported GLES2 extensions: %s", exts_str); wlr_log(WLR_INFO, "Supported GLES2 extensions: %s", exts_str);
if (!renderer->egl->exts.image_dmabuf_import_ext) {
wlr_log(WLR_ERROR, "EGL_EXT_image_dma_buf_import not supported");
free(renderer);
return NULL;
}
if (!check_gl_ext(exts_str, "GL_EXT_texture_format_BGRA8888")) { if (!check_gl_ext(exts_str, "GL_EXT_texture_format_BGRA8888")) {
wlr_log(WLR_ERROR, "BGRA8888 format not supported by GLES2"); wlr_log(WLR_ERROR, "BGRA8888 format not supported by GLES2");
free(renderer); free(renderer);