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-rw-r--r--src/gallium/drivers/r600/r600_state_common.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 64a027797d1..d29e137d511 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1971,6 +1971,30 @@ uint32_t r600_translate_texformat(struct pipe_screen *screen,
}
}
+ if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
+ if (!enable_s3tc)
+ goto out_unknown;
+
+ if (rscreen->b.chip_class < EVERGREEN)
+ goto out_unknown;
+
+ switch (format) {
+ case PIPE_FORMAT_BPTC_RGBA_UNORM:
+ case PIPE_FORMAT_BPTC_SRGBA:
+ result = FMT_BC7;
+ is_srgb_valid = TRUE;
+ goto out_word4;
+ case PIPE_FORMAT_BPTC_RGB_FLOAT:
+ word4 |= sign_bit[0] | sign_bit[1] | sign_bit[2];
+ /* fall through */
+ case PIPE_FORMAT_BPTC_RGB_UFLOAT:
+ result = FMT_BC6;
+ goto out_word4;
+ default:
+ goto out_unknown;
+ }
+ }
+
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
switch (format) {
case PIPE_FORMAT_R8G8_B8G8_UNORM: