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mesa/st: implement fallback for s3tc

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Acked-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18180>
This commit is contained in:
Erik Faye-Lund 2022-08-10 08:45:16 +02:00 • committed by Marge Bot
parent ac87b8a1eb
commit be70018a23
2 changed files with 14 additions and 0 deletions
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9
src/mesa/state_tracker/st_cb_texture.c
View file

@ -46,6 +46,7 @@
#include "main/texcompress_astc.h"
#include "main/texcompress_bptc.h"
#include "main/texcompress_etc.h"
#include "main/texcompress_s3tc.h"
#include "main/texgetimage.h"
#include "main/teximage.h"
#include "main/texobj.h"
@ -439,6 +440,8 @@ st_compressed_format_fallback(struct st_context *st, mesa_format format)
return !st->has_etc1;
case MESA_FORMAT_LAYOUT_ETC2:
return !st->has_etc2;
case MESA_FORMAT_LAYOUT_S3TC:
return !st->has_s3tc;
case MESA_FORMAT_LAYOUT_BPTC:
return !st->has_bptc;
case MESA_FORMAT_LAYOUT_ASTC:
@ -635,6 +638,12 @@ st_UnmapTextureImage(struct gl_context *ctx,
itransfer->temp_stride,
transfer->box.width, transfer->box.height,
texImage->TexFormat);
} else if (_mesa_is_format_s3tc(texImage->TexFormat)) {
_mesa_unpack_s3tc(map, transfer->stride,
itransfer->temp_data,
itransfer->temp_stride,
transfer->box.width, transfer->box.height,
texImage->TexFormat);
} else if (_mesa_is_format_bptc(texImage->TexFormat)) {
_mesa_unpack_bptc(map, transfer->stride,
itransfer->temp_data,

5
src/mesa/state_tracker/st_format.c
View file

@ -119,6 +119,11 @@ st_mesa_format_to_pipe_format(const struct st_context *st,
}
}
if (_mesa_is_format_s3tc(mesaFormat) && !st->has_s3tc) {
return _mesa_is_format_srgb(mesaFormat) ? PIPE_FORMAT_R8G8B8A8_SRGB :
PIPE_FORMAT_R8G8B8A8_UNORM;
}
if (_mesa_is_format_bptc(mesaFormat) && !st->has_bptc) {
switch (mesaFormat) {
case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT: