gallium: Add PIPE_FORMAT_x8B8G8R8_SNORM formats

This means that each RnGnBnxn format has a reversed counterpart,
which is necessary for handling big-endian mesa<->gallium mappings.
The associated UNORM and SRGB formats already exist.

Signed-off-by: Richard Sandiford <rsandifo@linux.vnet.ibm.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/auxiliary/util/u_format.csv b/src/gallium/auxiliary/util/u_format.csv
index 8329cdf..a71aaf1 100644 (file)
--- a/src/gallium/auxiliary/util/u_format.csv
+++ b/src/gallium/auxiliary/util/u_format.csv
@@ -393,3 +393,6 @@ PIPE_FORMAT_G8R8_UNORM            , plain, 1, 1, un8 , un8 , , , yx01, rgb
 PIPE_FORMAT_G8R8_SNORM            , plain, 1, 1, sn8 , sn8 , , , yx01, rgb
 PIPE_FORMAT_G16R16_UNORM          , plain, 1, 1, un16, un16, , , yx01, rgb
 PIPE_FORMAT_G16R16_SNORM          , plain, 1, 1, sn16, sn16, , , yx01, rgb
+
+PIPE_FORMAT_A8B8G8R8_SNORM        , plain, 1, 1, sn8 , sn8 , sn8 , sn8 , wzyx, rgb
+PIPE_FORMAT_X8B8G8R8_SNORM        , plain, 1, 1, x8,   sn8,  sn8,  sn8,  wzy1, rgb

diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index 7eb634d..d309fa1 100644 (file)
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -359,6 +359,9 @@ enum pipe_format {
    PIPE_FORMAT_G16R16_UNORM            = 265,
    PIPE_FORMAT_G16R16_SNORM            = 266,
 
+   PIPE_FORMAT_A8B8G8R8_SNORM          = 267,
+   PIPE_FORMAT_X8B8G8R8_SNORM          = 268,
+
    PIPE_FORMAT_COUNT
 };