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ipc: Implement xrt_compositor::import_swapchain

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This commit is contained in:
Jakob Bornecrantz 2020-07-17 11:37:52 +01:00 committed by Jakob Bornecrantz
parent 11b2dfe213
commit 536e461776
1 changed files with 51 additions and 0 deletions

51
src/xrt/ipc/ipc_client_compositor.c
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@ -204,6 +204,56 @@ ipc_compositor_swapchain_create(struct xrt_compositor *xc,
}
*out_xsc = &ics->base.base;
return XRT_SUCCESS;
}
static xrt_result_t
ipc_compositor_swapchain_import(struct xrt_compositor *xc,
struct xrt_swapchain_create_info *info,
struct xrt_image_native *native_images,
uint32_t num_images,
struct xrt_swapchain **out_xsc)
{
struct ipc_client_compositor *icc = ipc_client_compositor(xc);
struct ipc_arg_swapchain_from_native args = {0};
xrt_graphics_buffer_handle_t handles[IPC_MAX_SWAPCHAIN_FDS] = {0};
xrt_result_t r = XRT_SUCCESS;
uint32_t id = 0;
for (uint32_t i = 0; i < num_images; i++) {
handles[i] = native_images[i].fd;
args.sizes[i] = native_images[i].size;
}
// This does not consume the handles, it copies them.
r = ipc_call_swapchain_import(icc->ipc_c, // connection
info, // in
&args, // in
handles, // handles
num_images, // handles
&id); // out
if (r != XRT_SUCCESS) {
return r;
}
struct ipc_client_swapchain *ics =
U_TYPED_CALLOC(struct ipc_client_swapchain);
ics->base.base.num_images = num_images;
ics->base.base.wait_image = ipc_compositor_swapchain_wait_image;
ics->base.base.acquire_image = ipc_compositor_swapchain_acquire_image;
ics->base.base.release_image = ipc_compositor_swapchain_release_image;
ics->base.base.destroy = ipc_compositor_swapchain_destroy;
ics->icc = icc;
ics->id = id;
// The handles where copied in the IPC call so we can reuse them here.
for (uint32_t i = 0; i < num_images; i++) {
ics->base.images[i] = native_images[i];
}
*out_xsc = &ics->base.base;
return XRT_SUCCESS;
}
@ -464,6 +514,7 @@ ipc_client_compositor_create(struct ipc_connection *ipc_c,
U_TYPED_CALLOC(struct ipc_client_compositor);
c->base.base.create_swapchain = ipc_compositor_swapchain_create;
c->base.base.import_swapchain = ipc_compositor_swapchain_import;
c->base.base.prepare_session = ipc_compositor_prepare_session;
c->base.base.begin_session = ipc_compositor_begin_session;
c->base.base.end_session = ipc_compositor_end_session;