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ipc: Implement xrt_compositor::import_swapchain
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11b2dfe213
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536e461776
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@ -204,6 +204,56 @@ ipc_compositor_swapchain_create(struct xrt_compositor *xc,
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}
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*out_xsc = &ics->base.base;
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return XRT_SUCCESS;
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}
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static xrt_result_t
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ipc_compositor_swapchain_import(struct xrt_compositor *xc,
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struct xrt_swapchain_create_info *info,
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struct xrt_image_native *native_images,
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uint32_t num_images,
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struct xrt_swapchain **out_xsc)
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{
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struct ipc_client_compositor *icc = ipc_client_compositor(xc);
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struct ipc_arg_swapchain_from_native args = {0};
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xrt_graphics_buffer_handle_t handles[IPC_MAX_SWAPCHAIN_FDS] = {0};
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xrt_result_t r = XRT_SUCCESS;
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uint32_t id = 0;
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for (uint32_t i = 0; i < num_images; i++) {
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handles[i] = native_images[i].fd;
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args.sizes[i] = native_images[i].size;
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}
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// This does not consume the handles, it copies them.
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r = ipc_call_swapchain_import(icc->ipc_c, // connection
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info, // in
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&args, // in
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handles, // handles
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num_images, // handles
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&id); // out
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if (r != XRT_SUCCESS) {
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return r;
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}
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struct ipc_client_swapchain *ics =
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U_TYPED_CALLOC(struct ipc_client_swapchain);
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ics->base.base.num_images = num_images;
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ics->base.base.wait_image = ipc_compositor_swapchain_wait_image;
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ics->base.base.acquire_image = ipc_compositor_swapchain_acquire_image;
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ics->base.base.release_image = ipc_compositor_swapchain_release_image;
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ics->base.base.destroy = ipc_compositor_swapchain_destroy;
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ics->icc = icc;
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ics->id = id;
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// The handles where copied in the IPC call so we can reuse them here.
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for (uint32_t i = 0; i < num_images; i++) {
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ics->base.images[i] = native_images[i];
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}
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*out_xsc = &ics->base.base;
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return XRT_SUCCESS;
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}
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@ -464,6 +514,7 @@ ipc_client_compositor_create(struct ipc_connection *ipc_c,
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U_TYPED_CALLOC(struct ipc_client_compositor);
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c->base.base.create_swapchain = ipc_compositor_swapchain_create;
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c->base.base.import_swapchain = ipc_compositor_swapchain_import;
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c->base.base.prepare_session = ipc_compositor_prepare_session;
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c->base.base.begin_session = ipc_compositor_begin_session;
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c->base.base.end_session = ipc_compositor_end_session;
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