Mesa (master): r300g: add support for B2G3R3 texturing

[Marek Olšák]

Module: Mesa
Branch: master
Commit: c420c0e7d6c4b8fac90fd6a64a49652ac58535fd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c420c0e7d6c4b8fac90fd6a64a49652ac58535fd

Author: Marek Olšák <maraeo at gmail.com>
Date:   Wed Dec 22 13:28:55 2010 +0100

r300g: add support for B2G3R3 texturing

---

 src/gallium/drivers/r300/r300_state_derived.c |    4 ++++
 src/gallium/drivers/r300/r300_texture.c       |    5 +++++
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index d5fc8ec..d3985c1 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -645,6 +645,10 @@ static uint32_t r300_get_border_color(enum pipe_format format,
     }
 
     switch (desc->channel[0].size) {
+        case 2:
+            util_pack_color(border_swizzled, PIPE_FORMAT_B2G3R3_UNORM, &uc);
+            break;
+
         case 4:
             util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc);
             break;
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 24f1d68..6fdc504 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -244,6 +244,11 @@ uint32_t r300_translate_texformat(enum pipe_format format,
                     desc->channel[2].size == 6) {
                     return R300_TX_FORMAT_Z6Y5X5 | result;
                 }
+                if (desc->channel[0].size == 2 &&
+                    desc->channel[1].size == 3 &&
+                    desc->channel[2].size == 3) {
+                    return R300_TX_FORMAT_Z3Y3X2 | result;
+                }
                 return ~0; /* Unsupported/unknown. */
 
             case 4: