From: Roland Scheidegger <sroland@tungstengraphics.com>
Date: Fri, 28 Mar 2008 14:43:00 +0000 (+0100)
Subject: gallium: remove redundant compare bit in sampler state
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5615ab78b03cf1cb5fb19fc04fef52818f91b0be;p=mesa.git

gallium: remove redundant compare bit in sampler state
---

diff --git a/src/gallium/drivers/i965simple/brw_wm.c b/src/gallium/drivers/i965simple/brw_wm.c
index 1c4b5b5ede2..7fc5f59a98c 100644
--- a/src/gallium/drivers/i965simple/brw_wm.c
+++ b/src/gallium/drivers/i965simple/brw_wm.c
@@ -161,8 +161,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
 
       if (unit) {
 
-	 if (unit->compare &&
-             unit->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
+	 if (unit->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 	    key->shadowtex_mask |= 1<<i;
 	 }
 	 if (t->Image[0][t->BaseLevel]->InternalFormat == GL_YCBCR_MESA)
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index b47595deca4..0eeee47a9a5 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -243,7 +243,6 @@ struct pipe_sampler_state
    unsigned min_img_filter:2;    /**< PIPE_TEX_FILTER_x */
    unsigned min_mip_filter:2;    /**< PIPE_TEX_MIPFILTER_x */
    unsigned mag_img_filter:2;    /**< PIPE_TEX_FILTER_x */
-   unsigned compare:1;           /**< shadow/depth compare enabled? */
    unsigned compare_mode:1;      /**< PIPE_TEX_COMPARE_x */
    unsigned compare_func:3;      /**< PIPE_FUNC_x */
    unsigned normalized_coords:1; /**< Are coords normalized to [0,1]? */
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 5787a7492c6..5dd242ac662 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -167,7 +167,6 @@ update_samplers(struct st_context *st)
 
          /* only care about ARB_shadow, not SGI shadow */
          if (texobj->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
-            sampler->compare = 1;
             sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
             sampler->compare_func
                = st_compare_func_to_pipe(texobj->CompareFunc);