[PATCH 1/5] avfilter/vf_gblur_vulkan: add sizeV option [PATCH 2/5] avfilter:add shader_vulkan filter [PATCH 3/5] avfilter/vf_blend_vulkan: add multiply blend mode [PATCH 4/5] avutil/vulkan: don't use strlen as loop condition [PATCH 5/5] avfilter/scale_vulkan: use RET for checking return value Patches attached.