Passes corrected piglit test and should also handle signed vs unsigned
float correctly.
---
src/gallium/drivers/radeonsi/si_state.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index 3dec536..6b64e7c 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1102,6 +1102,22 @@ static uint32_t si_translate_texformat(struct
pipe_screen *screen,
}
}
+ if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
+ if (!enable_s3tc)
+ goto out_unknown;
+
+ switch (format) {
+ case PIPE_FORMAT_BPTC_RGBA_UNORM:
+ case PIPE_FORMAT_BPTC_SRGBA_UNORM:
+ return V_008F14_IMG_DATA_FORMAT_BC7;
+ case PIPE_FORMAT_BPTC_RGB_FLOAT:
+ case PIPE_FORMAT_BPTC_RGB_UFLOAT:
+ return V_008F14_IMG_DATA_FORMAT_BC6;
+ default:
+ goto out_unknown;
+ }
+ }
+
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
switch (format) {
case PIPE_FORMAT_R8G8_B8G8_UNORM:
@@ -2467,12 +2483,16 @@ static struct pipe_sampler_view
*si_create_sampler_view(struct pipe_context *ctx
case PIPE_FORMAT_DXT1_SRGBA:
case PIPE_FORMAT_DXT3_SRGBA:
case PIPE_FORMAT_DXT5_SRGBA:
+ case PIPE_FORMAT_BPTC_SRGBA_UNORM:
num_format =
V_008F14_IMG_NUM_FORMAT_SRGB;
break;
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_LATC1_SNORM:
case PIPE_FORMAT_RGTC2_SNORM:
case PIPE_FORMAT_LATC2_SNORM:
+ /* implies float, so use SNORM/UNORM to
determine
+ whether data is signed or not */
+ case PIPE_FORMAT_BPTC_RGB_FLOAT:
num_format =
V_008F14_IMG_NUM_FORMAT_SNORM;
break;
default:
--
1.8.3.2
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