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-rw-r--r--render/vulkan/renderer.c85
-rw-r--r--render/vulkan/vulkan.c32
2 files changed, 109 insertions, 8 deletions
diff --git a/render/vulkan/renderer.c b/render/vulkan/renderer.c
index 91667405..35361813 100644
--- a/render/vulkan/renderer.c
+++ b/render/vulkan/renderer.c
@@ -17,6 +17,7 @@
#include <wlr/backend/interface.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
+#include "render/dmabuf.h"
#include "render/pixel_format.h"
#include "render/vulkan.h"
#include "render/vulkan/shaders/common.vert.h"
@@ -772,6 +773,49 @@ static bool vulkan_begin(struct wlr_renderer *wlr_renderer,
return true;
}
+static bool vulkan_sync_render_buffer(struct wlr_vk_renderer *renderer,
+ struct wlr_vk_command_buffer *cb) {
+ VkResult res;
+
+ if (!renderer->dev->implicit_sync_interop) {
+ // We have no choice but to block here sadly
+ return wait_command_buffer(cb, renderer);
+ }
+
+ struct wlr_dmabuf_attributes dmabuf = {0};
+ if (!wlr_buffer_get_dmabuf(renderer->current_render_buffer->wlr_buffer,
+ &dmabuf)) {
+ wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf failed");
+ return false;
+ }
+
+ // Note: vkGetSemaphoreFdKHR implicitly resets the semaphore
+ const VkSemaphoreGetFdInfoKHR get_fence_fd_info = {
+ .sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR,
+ .semaphore = cb->binary_semaphore,
+ .handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+ };
+ int sync_file_fd = -1;
+ res = renderer->dev->api.getSemaphoreFdKHR(renderer->dev->dev,
+ &get_fence_fd_info, &sync_file_fd);
+ if (res != VK_SUCCESS) {
+ wlr_vk_error("vkGetSemaphoreFdKHR", res);
+ return false;
+ }
+
+ for (int i = 0; i < dmabuf.n_planes; i++) {
+ if (!dmabuf_import_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_WRITE,
+ sync_file_fd)) {
+ close(sync_file_fd);
+ return false;
+ }
+ }
+
+ close(sync_file_fd);
+
+ return true;
+}
+
static void vulkan_end(struct wlr_renderer *wlr_renderer) {
struct wlr_vk_renderer *renderer = vulkan_get_renderer(wlr_renderer);
assert(renderer->current_render_buffer);
@@ -932,10 +976,35 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
return;
}
+ size_t render_signal_len = 1;
+ VkSemaphore render_signal[2] = { renderer->timeline_semaphore };
+ uint64_t render_signal_timeline_points[2] = { render_timeline_point };
+
+ if (renderer->dev->implicit_sync_interop) {
+ if (render_cb->binary_semaphore == VK_NULL_HANDLE) {
+ VkExportSemaphoreCreateInfo export_info = {
+ .sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
+ .handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+ };
+ VkSemaphoreCreateInfo semaphore_info = {
+ .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
+ .pNext = &export_info,
+ };
+ VkResult res = vkCreateSemaphore(renderer->dev->dev, &semaphore_info,
+ NULL, &render_cb->binary_semaphore);
+ if (res != VK_SUCCESS) {
+ wlr_vk_error("vkCreateSemaphore", res);
+ return;
+ }
+ }
+
+ render_signal[render_signal_len++] = render_cb->binary_semaphore;
+ }
+
VkTimelineSemaphoreSubmitInfoKHR render_timeline_submit_info = {
.sType = VK_STRUCTURE_TYPE_TIMELINE_SEMAPHORE_SUBMIT_INFO_KHR,
- .signalSemaphoreValueCount = 1,
- .pSignalSemaphoreValues = &render_timeline_point,
+ .signalSemaphoreValueCount = render_signal_len,
+ .pSignalSemaphoreValues = render_signal_timeline_points,
};
VkSubmitInfo *render_sub = &submit_infos[submit_count];
@@ -943,8 +1012,8 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
render_sub->pNext = &render_timeline_submit_info;
render_sub->pCommandBuffers = &render_cb->vk;
render_sub->commandBufferCount = 1u;
- render_sub->signalSemaphoreCount = 1;
- render_sub->pSignalSemaphores = &renderer->timeline_semaphore,
+ render_sub->signalSemaphoreCount = render_signal_len;
+ render_sub->pSignalSemaphores = render_signal,
++submit_count;
VkResult res = vkQueueSubmit(renderer->dev->queue, submit_count,
@@ -967,10 +1036,7 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
wl_list_insert(&stage_cb->stage_buffers, &stage_buf->link);
}
- // sadly this is required due to the current api/rendering model of wlr
- // ideally we could use gpu and cpu in parallel (_without_ the
- // implicit synchronization overhead and mess of opengl drivers)
- if (!wait_command_buffer(render_cb, renderer)) {
+ if (!vulkan_sync_render_buffer(renderer, render_cb)) {
return;
}
}
@@ -1173,6 +1239,9 @@ static void vulkan_destroy(struct wlr_renderer *wlr_renderer) {
continue;
}
release_command_buffer_resources(cb, renderer);
+ if (cb->binary_semaphore != VK_NULL_HANDLE) {
+ vkDestroySemaphore(renderer->dev->dev, cb->binary_semaphore, NULL);
+ }
}
// stage.cb automatically freed with command pool
diff --git a/render/vulkan/vulkan.c b/render/vulkan/vulkan.c
index 64d021c2..1791a21e 100644
--- a/render/vulkan/vulkan.c
+++ b/render/vulkan/vulkan.c
@@ -10,6 +10,7 @@
#include <wlr/util/log.h>
#include <wlr/version.h>
#include <wlr/config.h>
+#include "render/dmabuf.h"
#include "render/vulkan.h"
#if defined(__linux__)
@@ -416,6 +417,7 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
// image_drm_format_modifier extensions.
const char *extensions[] = {
VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
+ VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,
VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME, // or vulkan 1.2
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,
VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME,
@@ -453,6 +455,35 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
assert(graphics_found);
}
+ const VkPhysicalDeviceExternalSemaphoreInfo ext_semaphore_info = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_SEMAPHORE_INFO,
+ .handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+ };
+ VkExternalSemaphoreProperties ext_semaphore_props = {
+ .sType = VK_STRUCTURE_TYPE_EXTERNAL_SEMAPHORE_PROPERTIES,
+ };
+ vkGetPhysicalDeviceExternalSemaphoreProperties(phdev,
+ &ext_semaphore_info, &ext_semaphore_props);
+ bool exportable_semaphore = ext_semaphore_props.externalSemaphoreFeatures &
+ VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT;
+ if (!exportable_semaphore) {
+ wlr_log(WLR_DEBUG, "VkSemaphore is not exportable to a sync_file");
+ }
+
+ bool dmabuf_sync_file_import_export = dmabuf_check_sync_file_import_export();
+ if (!dmabuf_sync_file_import_export) {
+ wlr_log(WLR_DEBUG, "DMA-BUF sync_file import/export not supported");
+ }
+
+ dev->implicit_sync_interop =
+ exportable_semaphore && dmabuf_sync_file_import_export;
+ if (dev->implicit_sync_interop) {
+ wlr_log(WLR_DEBUG, "Implicit sync interop supported");
+ } else {
+ wlr_log(WLR_INFO, "Implicit sync interop not supported, "
+ "falling back to blocking");
+ }
+
const float prio = 1.f;
VkDeviceQueueCreateInfo qinfo = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
@@ -487,6 +518,7 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
load_device_proc(dev, "vkWaitSemaphoresKHR", &dev->api.waitSemaphoresKHR);
load_device_proc(dev, "vkGetSemaphoreCounterValueKHR",
&dev->api.getSemaphoreCounterValueKHR);
+ load_device_proc(dev, "vkGetSemaphoreFdKHR", &dev->api.getSemaphoreFdKHR);
// - check device format support -
size_t max_fmts;