patches: add libplacebo-disable-host-copy.diff

haasn/libplacebo#341

Author: m154k1

fetch

@@ -102,6 +102,7 @@ fetch_libplacebo() {
   local url="https://code.videolan.org/videolan/libplacebo.git"
   rm -rf src/libplacebo
   git -C src clone --depth 1 --recurse-submodules=3rdparty/{fast_float,jinja,markupsafe} "${url}"
+  git -C src/libplacebo apply --apply --stat "$(realpath patches/libplacebo-disable-host-copy.diff)"
 }
 
 fetch_libpng() {

patches/libplacebo-disable-host-copy.diff

@@ -0,0 +1,17 @@
+diff --git a/src/vulkan/formats.c b/src/vulkan/formats.c
+index 8dc39d2..3ddebd0 100644
+--- a/src/vulkan/formats.c
++++ b/src/vulkan/formats.c
+@@ -602,12 +602,6 @@ void vk_setup_formats(struct pl_gpu_t *gpu)
+                 fmt->caps |= bits[i].caps;
+         }
+ 
+-        // Internal capabilities
+-        if (vk->props.vendorID != VK_VENDOR_ID_NVIDIA) { // FIXME: remove when upstream works
+-            if (texflags & VK_FORMAT_FEATURE_2_HOST_IMAGE_TRANSFER_BIT)
+-                fmtp->can_host_copy = true;
+-        }
+-
+         // For blit emulation via compute shaders
+         if (!(fmt->caps & PL_FMT_CAP_BLITTABLE) && (fmt->caps & PL_FMT_CAP_STORABLE)) {
+             fmt->caps |= PL_FMT_CAP_BLITTABLE;