glsl: Optionally lower TES gl_PatchVerticesIn to a uniform.
i965 has no special hardware for this, so we need to pass this value in
as a uniform (unless the TES is linked against a TCS, in which case the
linker can just replace this with a constant).
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Alejandro PiƱeiro <apinheiro@igalia.com>
Cc: mesa-stable@lists.freedesktop.org
diff --git a/src/mesa/program/prog_statevars.h b/src/mesa/program/prog_statevars.h
index 6333e63..4b27527 100644
--- a/src/mesa/program/prog_statevars.h
+++ b/src/mesa/program/prog_statevars.h
@@ -128,6 +128,7 @@
STATE_PT_BIAS, /**< Pixel transfer RGBA bias */
STATE_FB_SIZE, /**< (width-1, height-1, 0, 0) */
STATE_FB_WPOS_Y_TRANSFORM, /**< (1, 0, -1, height) if a FBO is bound, (-1, height, 1, 0) otherwise */
+ STATE_TES_PATCH_VERTICES_IN, /**< gl_PatchVerticesIn for TES (integer) */
STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */
} gl_state_index;