Mesa (master): i965/gen7: Copy stencil when sampling the stencil texture

[Jordan Justen]

Module: Mesa
Branch: master
Commit: 8d78b096f8bbcad5e15000539ee475a8733140ca
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8d78b096f8bbcad5e15000539ee475a8733140ca

Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Sat Jun 11 16:46:13 2016 -0700

i965/gen7: Copy stencil when sampling the stencil texture

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/mesa/drivers/dri/i965/brw_context.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 58cd03d..888097d 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -235,6 +235,11 @@ intel_update_state(struct gl_context * ctx, GLuint new_state)
                            0 : INTEL_MIPTREE_IGNORE_CCS_E;
       intel_miptree_resolve_color(brw, tex_obj->mt, flags);
       brw_render_cache_set_check_flush(brw, tex_obj->mt->bo);
+
+      if (tex_obj->base.StencilSampling ||
+          tex_obj->mt->format == MESA_FORMAT_S_UINT8) {
+         intel_update_r8stencil(brw, tex_obj->mt);
+      }
    }
 
    /* Resolve color for each active shader image. */