mesa: support for GL_ARB_fragment_coord_conventions

Signed-off-by: Brian Paul <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mesa/shader/program_parse_extra.c b/src/mesa/shader/program_parse_extra.c
index 0656c5eaa8e..ae98b782b70 100644
--- a/src/mesa/shader/program_parse_extra.c
+++ b/src/mesa/shader/program_parse_extra.c
@@ -216,6 +216,18 @@ _mesa_ARBfp_parse_option(struct asm_parser_state *state, const char *option)
 	    state->option.Shadow = 1;
 	    return 1;
 	 }
+      } else if (strncmp(option, "fragment_coord_", 15) == 0) {
+         option += 15;
+         if (state->ctx->Extensions.ARB_fragment_coord_conventions) {
+            if (strcmp(option, "origin_upper_left") == 0) {
+               state->option.OriginUpperLeft = 1;
+               return 1;
+            }
+            else if (strcmp(option, "pixel_center_integer") == 0) {
+               state->option.PixelCenterInteger = 1;
+               return 1;
+            }
+         }
       }
    } else if (strncmp(option, "NV_fragment_program", 19) == 0) {
       option += 19;