mesa: Add support for OPTION ATI_draw_buffers to ARB_fp.

Tested by piglit ati_draw_buffers-arbfp.
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
(cherry picked from commit fb6e39737a24f9652b6cdc10067736b8915c61f9)

1 files changed, 10 insertions, 0 deletions

diff --git a/src/mesa/program/program_parse_extra.c b/src/mesa/program/program_parse_extra.c
index ae98b782b70..4d928483e16 100644
--- a/src/mesa/program/program_parse_extra.c
+++ b/src/mesa/program/program_parse_extra.c
@@ -229,6 +229,16 @@ _mesa_ARBfp_parse_option(struct asm_parser_state *state, const char *option)
             }
          }
       }
+   } else if (strncmp(option, "ATI_", 4) == 0) {
+      option += 4;
+
+      if (strcmp(option, "draw_buffers") == 0) {
+	 /* Don't need to check extension availability because all Mesa-based
+	  * drivers support GL_ATI_draw_buffers.
+	  */
+	 state->option.DrawBuffers = 1;
+	 return 1;
+      }
    } else if (strncmp(option, "NV_fragment_program", 19) == 0) {
       option += 19;