Signed-off-by: Glenn Kennard <glenn.kenn...@gmail.com>
---
This patch depends on Ilia Mirkin's "nvc0: add BPTC format support"
and Neil Robert's core BPTC support patches.
src/gallium/drivers/r600/r600_state_common.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_state_common.c
b/src/gallium/drivers/r600/r600_state_common.c
index 8c37d0d..2f39df3 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1967,6 +1967,29 @@ 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_UNORM:
+ result = FMT_BC7;
+ is_srgb_valid = TRUE;
+ goto out_word4;
+ case PIPE_FORMAT_BPTC_RGB_FLOAT:
+ case PIPE_FORMAT_BPTC_RGB_UFLOAT:
+ result = FMT_BC6;
+ is_srgb_valid = TRUE;
+ goto out_word4;
+ default:
+ goto out_unknown;
+ }
+ }
+
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
switch (format) {
case PIPE_FORMAT_R8G8_B8G8_UNORM:
--
1.8.3.2
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