i965: Clean up Ironlake sampler type definitions.

They're the same regardless of execution width for 8, 4x2, and 16.

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

@@ -673,18 +673,10 @@
 #define BRW_SAMPLER_MESSAGE_SIMD8_LD                  3
 #define BRW_SAMPLER_MESSAGE_SIMD16_LD                 3
 
-#define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_IGDNG            0
-#define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_IGDNG          0
-#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_IGDNG           0
-#define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_BIAS_IGDNG       1
-#define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_BIAS_IGDNG     1
-#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS_IGDNG      1
-#define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_LOD_IGDNG        2
-#define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_LOD_IGDNG      2
-#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_LOD_IGDNG       2
-#define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_COMPARE_IGDNG    3
-#define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_COMPARE_IGDNG  3
-#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE_IGDNG   3
+#define BRW_SAMPLER_MESSAGE_SAMPLE_IGDNG            0
+#define BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_IGDNG       1
+#define BRW_SAMPLER_MESSAGE_SAMPLE_LOD_IGDNG        2
+#define BRW_SAMPLER_MESSAGE_SAMPLE_COMPARE_IGDNG    3
 
 /* for IGDNG only */
 #define BRW_SAMPLER_SIMD_MODE_SIMD4X2                   0

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

@@ -875,9 +875,9 @@ static void emit_tex( struct brw_wm_compile *c,
 
    if (BRW_IS_IGDNG(p->brw)) {
        if (inst->tex_shadow)
-           msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE_IGDNG;
+           msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_COMPARE_IGDNG;
        else
-           msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_IGDNG;
+           msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_IGDNG;
    } else {
        if (inst->tex_shadow)
            msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE;
@@ -939,7 +939,7 @@ static void emit_txb( struct brw_wm_compile *c,
    msgLength = 9;
 
    if (BRW_IS_IGDNG(p->brw))
-       msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS_IGDNG;
+       msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_IGDNG;
    else
        msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS;
 

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

@@ -1850,7 +1850,7 @@ static void emit_txb(struct brw_wm_compile *c,
     brw_MOV(p, brw_message_reg(6), brw_imm_f(0));    /* ref (unused?) */
 
     if (BRW_IS_IGDNG(p->brw)) {
-        msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_BIAS_IGDNG;
+        msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_IGDNG;
     } else {
         /* Does it work well on SIMD8? */
         msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS;
@@ -1932,9 +1932,9 @@ static void emit_tex(struct brw_wm_compile *c,
 
     if (BRW_IS_IGDNG(p->brw)) {
         if (shadow)
-            msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_COMPARE_IGDNG;
+            msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_COMPARE_IGDNG;
         else
-            msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_IGDNG;
+            msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_IGDNG;
     } else {
         /* Does it work for shadow on SIMD8 ? */
         msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE;