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render/vulkan: introduce buffer_export_sync_file()

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Same as buffer_import_sync_file(), but for the export side.
This commit is contained in:
Simon Ser 2026-02-14 18:04:58 +01:00 • committed by Simon Zeni
parent 43b37e34d6
commit ff4ce12179
1 changed files with 11 additions and 8 deletions
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19
render/vulkan/renderer.c
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@ -968,13 +968,11 @@ static struct wlr_vk_render_buffer *get_render_buffer(
return buffer; return buffer;
} }
bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture, static bool buffer_export_sync_file(struct wlr_vk_renderer *renderer, struct wlr_buffer *buffer,
int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) { uint32_t flags, int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
struct wlr_vk_renderer *renderer = texture->renderer;
struct wlr_dmabuf_attributes dmabuf = {0}; struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(texture->buffer, &dmabuf)) { if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) {
wlr_log(WLR_ERROR, "Failed to get texture DMA-BUF"); wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf() failed");
return false; return false;
} }
@ -984,7 +982,7 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
for (int i = 0; i < dmabuf.n_planes; i++) { for (int i = 0; i < dmabuf.n_planes; i++) {
struct pollfd pollfd = { struct pollfd pollfd = {
.fd = dmabuf.fd[i], .fd = dmabuf.fd[i],
.events = POLLIN, .events = (flags & DMA_BUF_SYNC_WRITE) ? POLLOUT : POLLIN,
}; };
int timeout_ms = 1000; int timeout_ms = 1000;
int ret = poll(&pollfd, 1, timeout_ms); int ret = poll(&pollfd, 1, timeout_ms);
@ -1001,7 +999,7 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
} }
for (int i = 0; i < dmabuf.n_planes; i++) { for (int i = 0; i < dmabuf.n_planes; i++) {
int sync_file_fd = dmabuf_export_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_READ); int sync_file_fd = dmabuf_export_sync_file(dmabuf.fd[i], flags);
if (sync_file_fd < 0) { if (sync_file_fd < 0) {
wlr_log(WLR_ERROR, "Failed to extract DMA-BUF fence"); wlr_log(WLR_ERROR, "Failed to extract DMA-BUF fence");
return false; return false;
@ -1013,6 +1011,11 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
return true; return true;
} }
bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
return buffer_export_sync_file(texture->renderer, texture->buffer, DMA_BUF_SYNC_READ, sync_file_fds);
}
static bool buffer_import_sync_file(struct wlr_buffer *buffer, uint32_t flags, int sync_file_fd) { static bool buffer_import_sync_file(struct wlr_buffer *buffer, uint32_t flags, int sync_file_fd) {
struct wlr_dmabuf_attributes dmabuf = {0}; struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) { if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) {