Mesa (master): freedreno/ir3: hack for standalone compiler

[Rob Clark]

Module: Mesa
Branch: master
Commit: 4ee545646d58cda4429f3dcfa4505471e424a4f2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4ee545646d58cda4429f3dcfa4505471e424a4f2

Author: Rob Clark <robclark at freedesktop.org>
Date:   Sat Dec 20 11:44:28 2014 -0500

freedreno/ir3: hack for standalone compiler

Standalone compiler doesn't have screen or context.  We need to come up
with a better way to control the target arch (ie. something that we can
control from cmdline w/ standalone compiler) but for now this hack keeps
it from segfault'ing.

Signed-off-by: Rob Clark <robclark at freedesktop.org>

---

 src/gallium/drivers/freedreno/ir3/ir3_compiler.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
index ade4b1c..896f043 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
@@ -170,7 +170,11 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so,
 		break;
 	}
 
-	if (ir3_shader_gpuid(so->shader) >= 400) {
+	if (!so->shader) {
+		/* hack for standalone compiler which does not have
+		 * screen/context:
+		 */
+	} else if (ir3_shader_gpuid(so->shader) >= 400) {
 		/* a4xx seems to have *no* sam.p */
 		lconfig.lower_TXP = ~0;  /* lower all txp */
 	} else {