summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r300/r300_texture.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
-rw-r--r--src/gallium/drivers/r300/r300_texture.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 92c29b53fd8..d4a64092c70 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -158,7 +158,7 @@ static uint32_t r300_translate_texformat(enum pipe_format format)
}
}
- /* Compressed formats. */
+ /* S3TC formats. */
if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
switch (format) {
case PIPE_FORMAT_DXT1_RGB:
@@ -184,6 +184,20 @@ static uint32_t r300_translate_texformat(enum pipe_format format)
}
}
+ /* RGTC formats. */
+ if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
+ switch (format) {
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC1_SNORM:
+ return R500_TX_FORMAT_ATI1N | result;
+ case PIPE_FORMAT_RGTC2_UNORM:
+ case PIPE_FORMAT_RGTC2_SNORM:
+ return R400_TX_FORMAT_ATI2N | result;
+ default:
+ return ~0; /* Unsupported/unknown. */
+ }
+ }
+
/* See whether the components are of the same size. */
for (i = 1; i < desc->nr_channels; i++) {
uniform = uniform && desc->channel[0].size == desc->channel[i].size;
@@ -295,6 +309,17 @@ static uint32_t r300_translate_texformat(enum pipe_format format)
return ~0; /* Unsupported/unknown. */
}
+static uint32_t r500_tx_format_msb_bit(enum pipe_format format)
+{
+ switch (format) {
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC1_SNORM:
+ return R500_TXFORMAT_MSB;
+ default:
+ return 0;
+ }
+}
+
/* Buffer formats. */
/* Colorbuffer formats. This is the unswizzled format of the RB3D block's
@@ -520,6 +545,7 @@ static void r300_setup_texture_state(struct r300_screen* screen, struct r300_tex
if (pt->height0 > 2048) {
state->format2 |= R500_TXHEIGHT_BIT11;
}
+ state->format2 |= r500_tx_format_msb_bit(pt->format);
}
SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",