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render/allocator/gbm: add bo_flags arg to create function

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This allows callers to opt out of SCANOUT, for instance.
This commit is contained in:
Simon Ser 2023-11-30 21:10:31 +01:00
parent bf75706555
commit a245201dad
3 changed files with 10 additions and 4 deletions
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4
render/allocator/allocator.c
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@ -16,6 +16,7 @@
#include "render/wlr_renderer.h"
#if WLR_HAS_GBM_ALLOCATOR
#include <gbm.h>
#include "render/allocator/gbm.h"
#endif
@ -109,7 +110,8 @@ struct wlr_allocator *allocator_autocreate_with_drm_fd(
if (gbm_fd < 0) {
return NULL;
}
if ((alloc = wlr_gbm_allocator_create_with_drm_fd(gbm_fd)) != NULL) {
uint32_t bo_flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING;
if ((alloc = wlr_gbm_allocator_create_with_drm_fd(gbm_fd, bo_flags)) != NULL) {
return alloc;
}
close(gbm_fd);

5
render/allocator/gbm.c
View file

@ -97,7 +97,7 @@ static struct wlr_gbm_buffer *create_buffer(struct wlr_gbm_allocator *alloc,
bool has_modifier = true;
uint64_t fallback_modifier = DRM_FORMAT_MOD_INVALID;
uint32_t flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING;
uint32_t flags = alloc->bo_flags;
struct gbm_bo *bo;
#if HAVE_GBM_BO_CREATE_WITH_MODIFIERS2
bo = gbm_bo_create_with_modifiers2(gbm_device, width, height,
@ -192,7 +192,7 @@ static struct wlr_gbm_allocator *get_gbm_alloc_from_alloc(
return alloc;
}
struct wlr_allocator *wlr_gbm_allocator_create_with_drm_fd(int fd) {
struct wlr_allocator *wlr_gbm_allocator_create_with_drm_fd(int fd, uint32_t bo_flags) {
uint64_t cap;
if (drmGetCap(fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_EXPORT)) {
@ -207,6 +207,7 @@ struct wlr_allocator *wlr_gbm_allocator_create_with_drm_fd(int fd) {
wlr_allocator_init(&alloc->base, &allocator_impl, WLR_BUFFER_CAP_DMABUF);
alloc->fd = fd;
alloc->bo_flags = bo_flags;
wl_list_init(&alloc->buffers);
alloc->gbm_device = gbm_create_device(fd);