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Code Issues Releases Activity

hwcontext_vulkan: add a setting to limit queues

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If its a problem, you'll likely want to set it to 1 than more fine-grained
control, which you can already do via the API.
This commit is contained in:
Lynne
2025-06-05 00:52:23 +09:00
parent 26d17709e7
commit f531c91170
1 changed files with 15 additions and 2 deletions
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17
libavutil/hwcontext_vulkan.c
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@ -143,6 +143,9 @@ typedef struct VulkanDevicePriv {
/* Disable multiplane images */
int disable_multiplane;
/* Maximum queues */
int limit_queues;
/* Nvidia */
int dev_is_nvidia;
} VulkanDevicePriv;
@ -1509,9 +1512,14 @@ static int setup_queue_families(AVHWDeviceContext *ctx, VkDeviceCreateInfo *cd)
if (i == hwctx->nb_qf) { \
hwctx->qf[i].idx = idx; \
hwctx->qf[i].num = qf[idx].queueFamilyProperties.queueCount; \
if (dprops.driverID == VK_DRIVER_ID_NVIDIA_PROPRIETARY) { \
if (p->limit_queues || \
dprops.driverID == VK_DRIVER_ID_NVIDIA_PROPRIETARY) { \
int max = p->limit_queues; \
if (type == VK_QUEUE_GRAPHICS_BIT) \
hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, 1); \
hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, \
max ? max : 1); \
else if (max) \
hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, max); \
} \
hwctx->qf[i].flags = type; \
hwctx->qf[i].video_caps = vid_op; \
@ -1718,6 +1726,11 @@ static int vulkan_device_create_internal(AVHWDeviceContext *ctx,
if (opt_d)
p->use_linear_images = strtol(opt_d->value, NULL, 10);
/* Limit queues to a given number if needed */
opt_d = av_dict_get(opts, "limit_queues", NULL, 0);
if (opt_d)
p->limit_queues = strtol(opt_d->value, NULL, 10);
/* The disable_multiplane argument takes precedent over the option */
p->disable_multiplane = disable_multiplane;
if (!p->disable_multiplane) {