From: Keith Whitwell <keithw@vmware.com>
Date: Fri, 6 Mar 2009 21:17:59 +0000 (+0000)
Subject: st: also check for a8 texture support in bitmap code
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7;p=mesa.git

st: also check for a8 texture support in bitmap code
---

diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c
index eecedc20f02..3f503f12532 100644
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -795,6 +795,10 @@ st_init_bitmap(struct st_context *st)
                                    PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
       st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM;
    }
+   else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, PIPE_TEXTURE_2D, 
+                                        PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
+      st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM;
+   }
    else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, 
                                         PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
       st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;