i965: Fix sampler on sandybridge

Sandybridge has not much change on texture sampler with Ironlake.

5 files changed, 45 insertions, 17 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 38ac3be8df..09cc8b2bd5 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -548,7 +548,7 @@ static void brw_set_sampler_message(struct brw_context *brw,
    assert(eot == 0);
    brw_set_src1(insn, brw_imm_d(0));
 
-   if (intel->gen == 5) {
+   if (intel->gen >= 5) {
       insn->bits3.sampler_gen5.binding_table_index = binding_table_index;
       insn->bits3.sampler_gen5.sampler = sampler;
       insn->bits3.sampler_gen5.msg_type = msg_type;
@@ -557,8 +557,12 @@ static void brw_set_sampler_message(struct brw_context *brw,
       insn->bits3.sampler_gen5.response_length = response_length;
       insn->bits3.sampler_gen5.msg_length = msg_length;
       insn->bits3.sampler_gen5.end_of_thread = eot;
-      insn->bits2.send_gen5.sfid = BRW_MESSAGE_TARGET_SAMPLER;
-      insn->bits2.send_gen5.end_of_thread = eot;
+      if (intel->gen >= 6)
+	  insn->header.destreg__conditionalmod = BRW_MESSAGE_TARGET_SAMPLER;
+      else {
+	  insn->bits2.send_gen5.sfid = BRW_MESSAGE_TARGET_SAMPLER;
+	  insn->bits2.send_gen5.end_of_thread = eot;
+      }
    } else if (intel->is_g4x) {
       insn->bits3.sampler_g4x.binding_table_index = binding_table_index;
       insn->bits3.sampler_g4x.sampler = sampler;
@@ -1581,6 +1585,7 @@ void brw_SAMPLE(struct brw_compile *p,
 		GLuint header_present,
 		GLuint simd_mode)
 {
+   struct intel_context *intel = &p->brw->intel;
    GLboolean need_stall = 0;
 
    if (writemask == 0) {
@@ -1652,11 +1657,25 @@ void brw_SAMPLE(struct brw_compile *p,
    }
 
    {
-      struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);
+      struct brw_instruction *insn;
    
+      /* Sandybridge doesn't have the implied move for SENDs,
+       * and the first message register index comes from src0.
+       */
+      if (intel->gen >= 6) {
+	  brw_push_insn_state(p);
+	  brw_set_mask_control( p, BRW_MASK_DISABLE );
+	  /* m1 contains header? */
+	  brw_MOV(p, brw_message_reg(msg_reg_nr), src0);
+	  brw_pop_insn_state(p);
+	  src0 = brw_message_reg(msg_reg_nr);
+      }
+
+      insn = next_insn(p, BRW_OPCODE_SEND);
       insn->header.predicate_control = 0; /* XXX */
       insn->header.compression_control = BRW_COMPRESSION_NONE;
-      insn->header.destreg__conditionalmod = msg_reg_nr;
+      if (intel->gen < 6)
+	  insn->header.destreg__conditionalmod = msg_reg_nr;
 
       brw_set_dest(insn, dest);
       brw_set_src0(insn, src0);
diff --git a/src/mesa/drivers/dri/i965/brw_structs.h b/src/mesa/drivers/dri/i965/brw_structs.h
index 2a118e01c5..8e8f418eb7 100644
--- a/src/mesa/drivers/dri/i965/brw_structs.h
+++ b/src/mesa/drivers/dri/i965/brw_structs.h
@@ -1073,7 +1073,7 @@ struct brw_sampler_state
       GLuint mag_filter:3; 
       GLuint mip_filter:2; 
       GLuint base_level:5; 
-      GLuint pad:1;
+      GLuint min_mag_neq:1;
       GLuint lod_preclamp:1; 
       GLuint default_color_mode:1; 
       GLuint pad0:1;
@@ -1085,7 +1085,8 @@ struct brw_sampler_state
       GLuint r_wrap_mode:3; 
       GLuint t_wrap_mode:3; 
       GLuint s_wrap_mode:3; 
-      GLuint pad:3;
+      GLuint cube_control_mode:1;
+      GLuint pad:2;
       GLuint max_lod:10; 
       GLuint min_lod:10; 
    } ss1;
@@ -1099,7 +1100,9 @@ struct brw_sampler_state
    
    struct
    {
-      GLuint pad:19;
+      GLuint non_normalized_coord:1;
+      GLuint pad:12;
+      GLuint address_round:6;
       GLuint max_aniso:3; 
       GLuint chroma_key_mode:1; 
       GLuint chroma_key_index:2; 
@@ -1210,10 +1213,9 @@ struct brw_surface_state
 
    struct {
       GLuint pad1:16;
-      GLuint llc_mapping:1;
-      GLuint mlc_mapping:1;
+      GLuint cache_control:2;
       GLuint gfdt:1;
-      GLuint gfdt_src:1;
+      GLuint encrypt:1;
       GLuint y_offset:4;
       GLuint pad0:1;
       GLuint x_offset:7;
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 768ccfd79c..9ac0713a1d 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -48,7 +48,7 @@ GLboolean brw_miptree_layout(struct intel_context *intel,
 
    switch (mt->target) {
    case GL_TEXTURE_CUBE_MAP:
-      if (intel->gen == 5) {
+      if (intel->gen >= 5) {
           GLuint align_h = 2;
           GLuint level;
           GLuint qpitch = 0;
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index 260a04c774..a9ebc2689c 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -1102,7 +1102,7 @@ void emit_tex(struct brw_wm_compile *c,
 
    /* Fill in the shadow comparison reference value. */
    if (shadow) {
-      if (intel->gen == 5) {
+      if (intel->gen >= 5) {
 	 /* Fill in the cube map array index value. */
 	 brw_MOV(p, brw_message_reg(cur_mrf), brw_imm_f(0));
 	 cur_mrf += mrf_per_channel;
@@ -1115,7 +1115,7 @@ void emit_tex(struct brw_wm_compile *c,
       cur_mrf += mrf_per_channel;
    }
 
-   if (intel->gen == 5) {
+   if (intel->gen >= 5) {
       if (shadow)
 	 msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_COMPARE_GEN5;
       else
@@ -1168,7 +1168,7 @@ void emit_txb(struct brw_wm_compile *c,
     * from mattering.
     */
    if (c->dispatch_width == 16 || intel->gen < 5) {
-      if (intel->gen == 5)
+      if (intel->gen >= 5)
 	 msg_type = BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_GEN5;
       else
 	 msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS;
diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
index 1fc802cfa6..f9c48140fb 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
@@ -100,10 +100,13 @@ struct wm_sampler_key {
  * Sets the sampler state for a single unit based off of the sampler key
  * entry.
  */
-static void brw_update_sampler_state(struct wm_sampler_entry *key,
+static void brw_update_sampler_state(struct brw_context *brw,
+				     struct wm_sampler_entry *key,
 				     drm_intel_bo *sdc_bo,
 				     struct brw_sampler_state *sampler)
 {
+   struct intel_context *intel = &brw->intel;
+
    memset(sampler, 0, sizeof(*sampler));
 
    switch (key->minfilter) {
@@ -163,6 +166,10 @@ static void brw_update_sampler_state(struct wm_sampler_entry *key,
    sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
    sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t);
 
+   if (intel->gen >= 6 &&
+       sampler->ss0.min_filter != sampler->ss0.mag_filter)
+	sampler->ss0.min_mag_neq = 1;
+
    /* Cube-maps on 965 and later must use the same wrap mode for all 3
     * coordinate dimensions.  Futher, only CUBE and CLAMP are valid.
     */
@@ -329,7 +336,7 @@ static void upload_wm_samplers( struct brw_context *brw )
 	 if (brw->wm.sdc_bo[i] == NULL)
 	    continue;
 
-	 brw_update_sampler_state(&key.sampler[i], brw->wm.sdc_bo[i],
+	 brw_update_sampler_state(brw, &key.sampler[i], brw->wm.sdc_bo[i],
 				  &sampler[i]);
       }