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types/wlr_buffer: add buffer_get_drm_format helper function

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Steve Williams 2026-02-05 21:26:29 +04:00 • committed by Simon Ser
parent bb78861ca9
commit ef88246642
4 changed files with 32 additions and 22 deletions
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23
types/buffer/buffer.c
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@ -109,14 +109,11 @@ bool wlr_buffer_get_shm(struct wlr_buffer *buffer,
bool wlr_buffer_is_opaque(struct wlr_buffer *buffer) {
void *data;
uint32_t format;
uint32_t format = buffer_get_drm_format(buffer);
size_t stride;
struct wlr_dmabuf_attributes dmabuf;
struct wlr_shm_attributes shm;
if (wlr_buffer_get_dmabuf(buffer, &dmabuf)) {
format = dmabuf.format;
} else if (wlr_buffer_get_shm(buffer, &shm)) {
format = shm.format;
if (format != DRM_FORMAT_INVALID) {
// pass
} else if (wlr_buffer_begin_data_ptr_access(buffer,
WLR_BUFFER_DATA_PTR_ACCESS_READ, &data, &format, &stride)) {
bool opaque = false;
@ -135,3 +132,15 @@ bool wlr_buffer_is_opaque(struct wlr_buffer *buffer) {
return !pixel_format_has_alpha(format);
}
uint32_t buffer_get_drm_format(struct wlr_buffer *buffer) {
uint32_t format = DRM_FORMAT_INVALID;
struct wlr_dmabuf_attributes dmabuf;
struct wlr_shm_attributes shm;
if (wlr_buffer_get_dmabuf(buffer, &dmabuf)) {
format = dmabuf.format;
} else if (wlr_buffer_get_shm(buffer, &shm)) {
format = shm.format;
}
return format;
}