i965/cache: Add support for CS in program state cache

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/mesa/drivers/dri/i965/Makefile.sources

@@ -19,6 +19,7 @@ i965_FILES = \
 	brw_clip_util.c \
 	brw_context.c \
 	brw_context.h \
+	brw_cs.cpp \
 	brw_cubemap_normalize.cpp \
 	brw_curbe.c \
 	brw_dead_control_flow.cpp \

src/mesa/drivers/dri/i965/brw_cs.cpp

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2014 - 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "brw_context.h"
+#include "brw_cs.h"
+
+extern "C"
+bool
+brw_cs_prog_data_compare(const void *in_a, const void *in_b)
+{
+   const struct brw_cs_prog_data *a =
+      (const struct brw_cs_prog_data *)in_a;
+   const struct brw_cs_prog_data *b =
+      (const struct brw_cs_prog_data *)in_b;
+
+   /* Compare the base structure. */
+   if (!brw_stage_prog_data_compare(&a->base, &b->base))
+      return false;
+
+   /* Compare the rest of the structure. */
+   const unsigned offset = sizeof(struct brw_stage_prog_data);
+   if (memcmp(((char *) a) + offset, ((char *) b) + offset,
+              sizeof(struct brw_cs_prog_data) - offset))
+      return false;
+
+   return true;
+}

src/mesa/drivers/dri/i965/brw_cs.h

@@ -36,6 +36,8 @@ struct brw_cs_prog_key {
 extern "C" {
 #endif
 
+bool brw_cs_prog_data_compare(const void *a, const void *b);
+
 void
 brw_upload_cs_prog(struct brw_context *brw);
 

src/mesa/drivers/dri/i965/brw_state_cache.c

@@ -50,6 +50,7 @@
 #include "brw_vs.h"
 #include "brw_wm.h"
 #include "brw_gs.h"
+#include "brw_cs.h"
 
 #define FILE_DEBUG_FLAG DEBUG_STATE
 
@@ -363,9 +364,11 @@ brw_init_caches(struct brw_context *brw)
    cache->aux_compare[BRW_CACHE_VS_PROG] = brw_vs_prog_data_compare;
    cache->aux_compare[BRW_CACHE_GS_PROG] = brw_gs_prog_data_compare;
    cache->aux_compare[BRW_CACHE_FS_PROG] = brw_wm_prog_data_compare;
+   cache->aux_compare[BRW_CACHE_CS_PROG] = brw_cs_prog_data_compare;
    cache->aux_free[BRW_CACHE_VS_PROG] = brw_stage_prog_data_free;
    cache->aux_free[BRW_CACHE_GS_PROG] = brw_stage_prog_data_free;
    cache->aux_free[BRW_CACHE_FS_PROG] = brw_stage_prog_data_free;
+   cache->aux_free[BRW_CACHE_CS_PROG] = brw_stage_prog_data_free;
 }
 
 static void