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render/vulkan: fix missing DMA-BUF implicit write fence for render buffer

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Same as previous commit for the read side, but this one waits for
all readers to be done before starting to write.
This commit is contained in:
Simon Ser 2026-02-14 18:17:32 +01:00 • committed by Simon Zeni
parent 8c8d6363a1
commit 2367d78c3c
3 changed files with 47 additions and 1 deletions
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6
render/vulkan/renderer.c
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@ -1016,6 +1016,12 @@ bool vulkan_sync_foreign_texture_acquire(struct wlr_vk_texture *texture,
return buffer_export_sync_file(texture->renderer, texture->buffer, DMA_BUF_SYNC_READ, sync_file_fds);
}
bool vulkan_sync_render_buffer_acquire(struct wlr_vk_render_buffer *render_buffer,
int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
return buffer_export_sync_file(render_buffer->renderer, render_buffer->wlr_buffer,
DMA_BUF_SYNC_WRITE, sync_file_fds);
}
static bool buffer_import_sync_file(struct wlr_buffer *buffer, uint32_t flags, int sync_file_fd) {
struct wlr_dmabuf_attributes dmabuf = {0};
if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) {