gallium: disable early Z test if fragment shader contains KIL instruction.

Use tgsi_scan_shader() to determine if the fragment shader uses KIL or
writes fragment.z

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_state.h b/src/gallium/drivers/softpipe/sp_state.h
index 6ff31e601ff..5aaa9e346bc 100644
--- a/src/gallium/drivers/softpipe/sp_state.h
+++ b/src/gallium/drivers/softpipe/sp_state.h
@@ -63,6 +63,9 @@ struct tgsi_exec_machine;
 struct sp_fragment_shader {
    struct pipe_shader_state   shader;
 
+   boolean uses_kill;
+   boolean writes_z;
+
    void (*prepare)( const struct sp_fragment_shader *shader,
 		    struct tgsi_exec_machine *machine,
 		    struct tgsi_sampler *samplers);