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render/pixel_format: generate opaque substitute table via kdfs

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This commit is contained in:
Simon Ser 2026-03-05 16:49:05 +01:00
parent e69e1b5f7a
commit e00171d871
3 changed files with 70 additions and 32 deletions
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19
render/gen_pixel_format.sh
View file

@ -28,6 +28,17 @@ gen_opaque() {
'
}
gen_opaque_substitute() {
"$KDFS" compat --json --with 'DRM_FORMAT_*' --filter-channel=a --strip-channel=a 'DRM_FORMAT_*' | jq -r '
to_entries[]
| select((.value | to_entries[] | select(.value.little_endian and .value.big_endian) | length) > 0)
| (.key as $format | .value | to_entries[] | { format: $format, opaque_substitute: .key })
|
" case \(.format):\n" +
" return \(.opaque_substitute);"
'
}
gen_ycbcr() {
"$KDFS" show --json 'DRM_FORMAT_*' | jq -r '
to_entries[]
@ -57,6 +68,14 @@ $(gen_opaque)
}
}
uint32_t pixel_format_get_opaque_substitute(uint32_t format) {
switch (format) {
$(gen_opaque_substitute)
default:
return DRM_FORMAT_INVALID;
}
}
bool pixel_format_is_ycbcr(uint32_t format) {
switch (format) {
$(gen_ycbcr)

32
render/pixel_format.c
View file

@ -81,35 +81,3 @@ bool pixel_format_info_check_stride(const struct wlr_pixel_format_info *fmt,
bool pixel_format_has_alpha(uint32_t fmt) {
return !pixel_format_is_opaque(fmt);
}
uint32_t pixel_format_get_opaque_substitute(uint32_t fmt) {
switch (fmt) {
case DRM_FORMAT_ARGB8888:
return DRM_FORMAT_XRGB8888;
case DRM_FORMAT_ABGR8888:
return DRM_FORMAT_XBGR8888;
case DRM_FORMAT_RGBA8888:
return DRM_FORMAT_RGBX8888;
case DRM_FORMAT_BGRA8888:
return DRM_FORMAT_BGRX8888;
case DRM_FORMAT_RGBA4444:
return DRM_FORMAT_RGBX4444;
case DRM_FORMAT_BGRA4444:
return DRM_FORMAT_BGRX4444;
case DRM_FORMAT_RGBA5551:
return DRM_FORMAT_RGBX5551;
case DRM_FORMAT_BGRA5551:
return DRM_FORMAT_BGRX5551;
case DRM_FORMAT_ARGB1555:
return DRM_FORMAT_XRGB1555;
case DRM_FORMAT_ARGB2101010:
return DRM_FORMAT_XRGB2101010;
case DRM_FORMAT_ABGR2101010:
return DRM_FORMAT_XBGR2101010;
case DRM_FORMAT_ABGR16161616F:
return DRM_FORMAT_XBGR16161616F;
case DRM_FORMAT_ABGR16161616:
return DRM_FORMAT_XBGR16161616;
}
return DRM_FORMAT_INVALID;
}

51
render/pixel_format_table.c
View file

@ -518,6 +518,57 @@ bool pixel_format_is_opaque(uint32_t format) {
}
}
uint32_t pixel_format_get_opaque_substitute(uint32_t format) {
switch (format) {
case DRM_FORMAT_ABGR1555:
return DRM_FORMAT_XBGR1555;
case DRM_FORMAT_ABGR16161616:
return DRM_FORMAT_XBGR16161616;
case DRM_FORMAT_ABGR16161616F:
return DRM_FORMAT_XBGR16161616F;
case DRM_FORMAT_ABGR2101010:
return DRM_FORMAT_XBGR2101010;
case DRM_FORMAT_ABGR4444:
return DRM_FORMAT_XBGR4444;
case DRM_FORMAT_ABGR8888:
return DRM_FORMAT_XBGR8888;
case DRM_FORMAT_ARGB1555:
return DRM_FORMAT_XRGB1555;
case DRM_FORMAT_ARGB16161616:
return DRM_FORMAT_XRGB16161616;
case DRM_FORMAT_ARGB16161616F:
return DRM_FORMAT_XRGB16161616F;
case DRM_FORMAT_ARGB2101010:
return DRM_FORMAT_XRGB2101010;
case DRM_FORMAT_ARGB4444:
return DRM_FORMAT_XRGB4444;
case DRM_FORMAT_ARGB8888:
return DRM_FORMAT_XRGB8888;
case DRM_FORMAT_AVUY8888:
return DRM_FORMAT_XVUY8888;
case DRM_FORMAT_AYUV:
return DRM_FORMAT_XYUV8888;
case DRM_FORMAT_BGRA1010102:
return DRM_FORMAT_BGRX1010102;
case DRM_FORMAT_BGRA4444:
return DRM_FORMAT_BGRX4444;
case DRM_FORMAT_BGRA5551:
return DRM_FORMAT_BGRX5551;
case DRM_FORMAT_BGRA8888:
return DRM_FORMAT_BGRX8888;
case DRM_FORMAT_RGBA1010102:
return DRM_FORMAT_RGBX1010102;
case DRM_FORMAT_RGBA4444:
return DRM_FORMAT_RGBX4444;
case DRM_FORMAT_RGBA5551:
return DRM_FORMAT_RGBX5551;
case DRM_FORMAT_RGBA8888:
return DRM_FORMAT_RGBX8888;
default:
return DRM_FORMAT_INVALID;
}
}
bool pixel_format_is_ycbcr(uint32_t format) {
switch (format) {
case DRM_FORMAT_AVUY8888: