r600g: add support for B5G6R5 PBO uploads via texture buffers (v2)

v2: set endian swap to 16

untested

diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 2141cf2..e2f54cb 100644 (file)
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -2343,6 +2343,12 @@ void r600_vertex_data_type(enum pipe_format pformat,
                return;
        }
 
+       if (pformat == PIPE_FORMAT_B5G6R5_UNORM) {
+               *format = FMT_5_6_5;
+               *endian = r600_endian_swap(16);
+               return;
+       }
+
        desc = util_format_description(pformat);
        if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) {
                goto out_unknown;