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Code Issues Releases Activity

vulkan: add ff_vk_create_imageview

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This commit is contained in:
Lynne
2025-01-16 18:57:48 +09:00
parent 7046e65e37
commit ed6ee32846
2 changed files with 58 additions and 0 deletions
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51
libavutil/vulkan.c
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@ -1560,6 +1560,57 @@ static VkFormat map_fmt_to_rep(VkFormat fmt, enum FFVkShaderRepFormat rep_fmt)
return VK_FORMAT_UNDEFINED;
}
int ff_vk_create_imageview(FFVulkanContext *s,
VkImageView *img_view, VkImageAspectFlags *aspect,
AVFrame *f, int plane, enum FFVkShaderRepFormat rep_fmt)
{
VkResult ret;
FFVulkanFunctions *vk = &s->vkfn;
AVHWFramesContext *hwfc = (AVHWFramesContext *)f->hw_frames_ctx->data;
AVVulkanFramesContext *vkfc = hwfc->hwctx;
const VkFormat *rep_fmts = av_vkfmt_from_pixfmt(hwfc->sw_format);
AVVkFrame *vkf = (AVVkFrame *)f->data[0];
const int nb_images = ff_vk_count_images(vkf);
VkImageViewUsageCreateInfo view_usage_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO,
.usage = vkfc->usage &
(~(VK_IMAGE_USAGE_VIDEO_ENCODE_SRC_BIT_KHR |
VK_IMAGE_USAGE_VIDEO_DECODE_DST_BIT_KHR)),
};
VkImageViewCreateInfo view_create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = &view_usage_info,
.image = vkf->img[FFMIN(plane, nb_images - 1)],
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = map_fmt_to_rep(rep_fmts[plane], rep_fmt),
.components = ff_comp_identity_map,
.subresourceRange = {
.aspectMask = ff_vk_aspect_flag(f, plane),
.levelCount = 1,
.layerCount = 1,
},
};
if (view_create_info.format == VK_FORMAT_UNDEFINED) {
av_log(s, AV_LOG_ERROR, "Unable to find a compatible representation "
"of format %i and mode %i\n",
rep_fmts[plane], rep_fmt);
return AVERROR(EINVAL);
}
ret = vk->CreateImageView(s->hwctx->act_dev, &view_create_info,
s->hwctx->alloc, img_view);
if (ret != VK_SUCCESS) {
av_log(s, AV_LOG_ERROR, "Failed to create imageview: %s\n",
ff_vk_ret2str(ret));
return AVERROR_EXTERNAL;
}
*aspect = view_create_info.subresourceRange.aspectMask;
return 0;
}
int ff_vk_create_imageviews(FFVulkanContext *s, FFVkExecContext *e,
VkImageView views[AV_NUM_DATA_POINTERS],
AVFrame *f, enum FFVkShaderRepFormat rep_fmt)

7
libavutil/vulkan.h
View File

@ -457,6 +457,13 @@ int ff_vk_exec_mirror_sem_value(FFVulkanContext *s, FFVkExecContext *e,
AVFrame *f);
void ff_vk_exec_discard_deps(FFVulkanContext *s, FFVkExecContext *e);
/**
* Create a single imageview for a given plane.
*/
int ff_vk_create_imageview(FFVulkanContext *s,
VkImageView *img_view, VkImageAspectFlags *aspect,
AVFrame *f, int plane, enum FFVkShaderRepFormat rep_fmt);
/**
* Create an imageview and add it as a dependency to an execution.
*/