i965/fs: Remove direct fs_visitor gl_fragment_program dependence

Instead we cast backend_visitor::prog for fragment shader specific code paths.

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_wm_iz.cpp b/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
index 0a639f176e1..47823a764de 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
+++ b/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
@@ -125,6 +125,8 @@ void fs_visitor::setup_payload_gen4()
    GLuint reg = 2;
    bool kill_stats_promoted_workaround = false;
    int lookup = key->iz_lookup;
+   assert(stage == MESA_SHADER_FRAGMENT);
+   gl_fragment_program *fp = (gl_fragment_program*) prog;
    bool uses_depth =
       (fp->Base.InputsRead & (1 << VARYING_SLOT_POS)) != 0;