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Code Issues Releases Activity

vulkan: workaround BGR storage image undefined behaviour

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This commit is contained in:
Lynne
2025-02-22 19:55:53 +00:00
parent 3c09aadcf4
commit bbb06f1ffc
1 changed files with 25 additions and 0 deletions
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25
libavutil/vulkan.c
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@ -1719,6 +1719,29 @@ static VkFormat map_fmt_to_rep(VkFormat fmt, enum FFVkShaderRepFormat rep_fmt)
return VK_FORMAT_UNDEFINED;
}
static void bgr_workaround(AVVulkanFramesContext *vkfc,
VkImageViewCreateInfo *ci)
{
if (!(vkfc->usage & VK_IMAGE_USAGE_STORAGE_BIT))
return;
switch (ci->format) {
#define REMAP(src, dst) \
case src: \
ci->format = dst; \
return;
REMAP(VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM)
REMAP(VK_FORMAT_B8G8R8A8_SINT, VK_FORMAT_R8G8B8A8_SINT)
REMAP(VK_FORMAT_B8G8R8A8_UINT, VK_FORMAT_R8G8B8A8_UINT)
REMAP(VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM)
REMAP(VK_FORMAT_B8G8R8_SINT, VK_FORMAT_R8G8B8_SINT)
REMAP(VK_FORMAT_B8G8R8_UINT, VK_FORMAT_R8G8B8_UINT)
REMAP(VK_FORMAT_A2B10G10R10_UNORM_PACK32, VK_FORMAT_A2R10G10B10_UNORM_PACK32)
#undef REMAP
default:
return;
}
}
int ff_vk_create_imageview(FFVulkanContext *s,
VkImageView *img_view, VkImageAspectFlags *aspect,
AVFrame *f, int plane, enum FFVkShaderRepFormat rep_fmt)
@ -1750,6 +1773,7 @@ int ff_vk_create_imageview(FFVulkanContext *s,
.layerCount = 1,
},
};
bgr_workaround(vkfc, &view_create_info);
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",
@ -1811,6 +1835,7 @@ int ff_vk_create_imageviews(FFVulkanContext *s, FFVkExecContext *e,
.layerCount = 1,
},
};
bgr_workaround(vkfc, &view_create_info);
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",