commit e050429e77fda704da29792b83f31104c38890b6
Author: Nicolai Hähnle <nhaehnle@gmail.com>
Date:   Wed Sep 9 19:56:57 2009 +0200

    patch?

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.c b/src/mesa/drivers/dri/r300/compiler/radeon_program.c
index bbbf0dd..13da027 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.c
@@ -150,14 +150,16 @@ void rc_mesa_to_rc_program(struct radeon_compiler * c, struct gl_program * progr
 	c->Program.InputsRead = program->InputsRead;
 	c->Program.OutputsWritten = program->OutputsWritten;
 
-	for(i = 0; i < program->Parameters->NumParameters; ++i) {
-		struct rc_constant constant;
+	if (program->Parameters) {
+		for(i = 0; i < program->Parameters->NumParameters; ++i) {
+			struct rc_constant constant;
 
-		constant.Type = RC_CONSTANT_EXTERNAL;
-		constant.Size = 4;
-		constant.u.External = i;
+			constant.Type = RC_CONSTANT_EXTERNAL;
+			constant.Size = 4;
+			constant.u.External = i;
 
-		rc_constants_add(&c->Program.Constants, &constant);
+			rc_constants_add(&c->Program.Constants, &constant);
+		}
 	}
 }