1 files changed, 137 insertions, 65 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index fd60515972..9b919b9cfe 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -39,7 +39,7 @@
 /* Not quite sure how correct this is - need to understand horiz
  * vs. vertical strides a little better.
  */
-static __inline struct brw_reg sechalf( struct brw_reg reg )
+static INLINE struct brw_reg sechalf( struct brw_reg reg )
 {
    if (reg.vstride)
       reg.nr++;
@@ -122,26 +122,30 @@ static void emit_delta_xy(struct brw_compile *p,
    }
 }
 
-static void emit_wpos_xy(struct brw_compile *p,
-			   const struct brw_reg *dst,
-			   GLuint mask,
-			   const struct brw_reg *arg0)
+static void emit_wpos_xy(struct brw_wm_compile *c,
+			 const struct brw_reg *dst,
+			 GLuint mask,
+			 const struct brw_reg *arg0)
 {
-   /* Calc delta X,Y by subtracting origin in r1 from the pixel
-    * centers.
+   struct brw_compile *p = &c->func;
+
+   /* Calculate the pixel offset from window bottom left into destination
+    * X and Y channels.
     */
    if (mask & WRITEMASK_X) {
-      brw_MOV(p,
+      /* X' = X - origin */
+      brw_ADD(p,
 	      dst[0],
-	      retype(arg0[0], BRW_REGISTER_TYPE_UW));
+	      retype(arg0[0], BRW_REGISTER_TYPE_W),
+	      brw_imm_d(0 - c->key.origin_x));
    }
 
    if (mask & WRITEMASK_Y) {
-      /* TODO -- window_height - Y */
-      brw_MOV(p,
+      /* Y' = height - (Y - origin_y) = height + origin_y - Y */
+      brw_ADD(p,
 	      dst[1],
-	      negate(retype(arg0[1], BRW_REGISTER_TYPE_UW)));
-
+	      negate(retype(arg0[1], BRW_REGISTER_TYPE_W)),
+	      brw_imm_d(c->key.origin_y + c->key.drawable_height - 1));
    }
 }
 
@@ -219,6 +223,10 @@ static void emit_pinterp( struct brw_compile *p,
       if (mask & (1<<i)) {
 	 brw_LINE(p, brw_null_reg(), interp[i], deltas[0]);
 	 brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]);
+      }
+   }
+   for(i = 0; i < 4; i++ ) {
+      if (mask & (1<<i)) {
 	 brw_MUL(p, dst[i], dst[i], w[3]);
       }
    }
@@ -229,20 +237,20 @@ static void emit_cinterp( struct brw_compile *p,
 			 GLuint mask,
 			 const struct brw_reg *arg0 )
 {
-   struct brw_reg interp[4];
-   GLuint nr = arg0[0].nr;
-   GLuint i;
-
-   interp[0] = brw_vec1_grf(nr, 0);
-   interp[1] = brw_vec1_grf(nr, 4);
-   interp[2] = brw_vec1_grf(nr+1, 0);
-   interp[3] = brw_vec1_grf(nr+1, 4);
-
-   for(i = 0; i < 4; i++ ) {
-      if (mask & (1<<i)) {
-	 brw_MOV(p, dst[i], suboffset(interp[i],3));	/* TODO: optimize away like other moves */
-      }
-   }
+	struct brw_reg interp[4];
+	GLuint nr = arg0[0].nr;
+	GLuint i;
+
+	interp[0] = brw_vec1_grf(nr, 0);
+	interp[1] = brw_vec1_grf(nr, 4);
+	interp[2] = brw_vec1_grf(nr+1, 0);
+	interp[3] = brw_vec1_grf(nr+1, 4);
+
+	for(i = 0; i < 4; i++ ) {
+		if (mask & (1<<i)) {
+			brw_MOV(p, dst[i], suboffset(interp[i],3));	/* TODO: optimize away like other moves */
+		}
+	}
 }
 
 
@@ -343,11 +351,10 @@ static void emit_lrp( struct brw_compile *p,
       }
    }
 }
-
-
-static void emit_slt( struct brw_compile *p, 
+static void emit_sop( struct brw_compile *p, 
 		      const struct brw_reg *dst,
 		      GLuint mask,
+		      GLuint cond,
 		      const struct brw_reg *arg0,
 		      const struct brw_reg *arg1 )
 {
@@ -356,34 +363,66 @@ static void emit_slt( struct brw_compile *p,
    for (i = 0; i < 4; i++) {
       if (mask & (1<<i)) {	
 	 brw_MOV(p, dst[i], brw_imm_f(0));
-	 brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, arg0[i], arg1[i]);
+	 brw_CMP(p, brw_null_reg(), cond, arg0[i], arg1[i]);
 	 brw_MOV(p, dst[i], brw_imm_f(1.0));
 	 brw_set_predicate_control_flag_value(p, 0xff);
       }
    }
 }
 
-/* Isn't this just the same as the above with the args swapped?
- */
-static void emit_sge( struct brw_compile *p, 
+static void emit_slt( struct brw_compile *p, 
 		      const struct brw_reg *dst,
 		      GLuint mask,
 		      const struct brw_reg *arg0,
 		      const struct brw_reg *arg1 )
 {
-   GLuint i;
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_L, arg0, arg1);
+}
 
-   for (i = 0; i < 4; i++) {
-      if (mask & (1<<i)) {	
-	 brw_MOV(p, dst[i], brw_imm_f(0));
-	 brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_GE, arg0[i], arg1[i]);
-	 brw_MOV(p, dst[i], brw_imm_f(1.0));
-	 brw_set_predicate_control_flag_value(p, 0xff);
-      }
-   }
+static void emit_sle( struct brw_compile *p, 
+		      const struct brw_reg *dst,
+		      GLuint mask,
+		      const struct brw_reg *arg0,
+		      const struct brw_reg *arg1 )
+{
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_LE, arg0, arg1);
 }
 
+static void emit_sgt( struct brw_compile *p, 
+		      const struct brw_reg *dst,
+		      GLuint mask,
+		      const struct brw_reg *arg0,
+		      const struct brw_reg *arg1 )
+{
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_G, arg0, arg1);
+}
 
+static void emit_sge( struct brw_compile *p, 
+		      const struct brw_reg *dst,
+		      GLuint mask,
+		      const struct brw_reg *arg0,
+		      const struct brw_reg *arg1 )
+{
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_GE, arg0, arg1);
+}
+
+static void emit_seq( struct brw_compile *p, 
+		      const struct brw_reg *dst,
+		      GLuint mask,
+		      const struct brw_reg *arg0,
+		      const struct brw_reg *arg1 )
+{
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_EQ, arg0, arg1);
+}
+
+static void emit_sne( struct brw_compile *p, 
+		      const struct brw_reg *dst,
+		      GLuint mask,
+		      const struct brw_reg *arg0,
+		      const struct brw_reg *arg1 )
+{
+	 emit_sop(p, dst, mask, BRW_CONDITIONAL_NEQ, arg0, arg1);
+}
 
 static void emit_cmp( struct brw_compile *p, 
 		      const struct brw_reg *dst,
@@ -465,6 +504,9 @@ static void emit_dp3( struct brw_compile *p,
 		      const struct brw_reg *arg0,
 		      const struct brw_reg *arg1 )
 {
+   if (!(mask & WRITEMASK_XYZW))
+      return; /* Do not emit dead code*/
+
    assert((mask & WRITEMASK_XYZW) == WRITEMASK_X);
 
    brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]);
@@ -482,6 +524,9 @@ static void emit_dp4( struct brw_compile *p,
 		      const struct brw_reg *arg0,
 		      const struct brw_reg *arg1 )
 {
+   if (!(mask & WRITEMASK_XYZW))
+      return; /* Do not emit dead code*/
+
    assert((mask & WRITEMASK_XYZW) == WRITEMASK_X);
 
    brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]);
@@ -500,6 +545,9 @@ static void emit_dph( struct brw_compile *p,
 		      const struct brw_reg *arg0,
 		      const struct brw_reg *arg1 )
 {
+   if (!(mask & WRITEMASK_XYZW))
+      return; /* Do not emit dead code*/
+
    assert((mask & WRITEMASK_XYZW) == WRITEMASK_X);
 
    brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]);
@@ -543,8 +591,11 @@ static void emit_math1( struct brw_compile *p,
 			GLuint mask,
 			const struct brw_reg *arg0 )
 {
-   assert((mask & WRITEMASK_XYZW) == WRITEMASK_X ||
-	  function == BRW_MATH_FUNCTION_SINCOS);
+   if (!(mask & WRITEMASK_XYZW))
+      return; /* Do not emit dead code*/
+
+   //assert((mask & WRITEMASK_XYZW) == WRITEMASK_X ||
+   //	  function == BRW_MATH_FUNCTION_SINCOS);
    
    brw_MOV(p, brw_message_reg(2), arg0[0]);
 
@@ -567,6 +618,9 @@ static void emit_math2( struct brw_compile *p,
 			const struct brw_reg *arg0,
 			const struct brw_reg *arg1)
 {
+   if (!(mask & WRITEMASK_XYZW))
+      return; /* Do not emit dead code*/
+
    assert((mask & WRITEMASK_XYZW) == WRITEMASK_X);
 
    brw_push_insn_state(p);
@@ -661,7 +715,7 @@ static void emit_tex( struct brw_wm_compile *c,
 	      retype(vec16(dst[0]), BRW_REGISTER_TYPE_UW),
 	      1,
 	      retype(c->payload.depth[0].hw_reg, BRW_REGISTER_TYPE_UW),
-	      inst->tex_unit + 1, /* surface */
+	      inst->tex_unit + MAX_DRAW_BUFFERS, /* surface */
 	      inst->tex_unit,	  /* sampler */
 	      inst->writemask,
 	      (shadow ? 
@@ -670,7 +724,6 @@ static void emit_tex( struct brw_wm_compile *c,
 	      responseLength,
 	      msgLength,
 	      0);	
-
 }
 
 
@@ -712,7 +765,7 @@ static void emit_txb( struct brw_wm_compile *c,
 	      retype(vec16(dst[0]), BRW_REGISTER_TYPE_UW),
 	      1,
 	      retype(c->payload.depth[0].hw_reg, BRW_REGISTER_TYPE_UW),
-	      inst->tex_unit + 1, /* surface */
+	      inst->tex_unit + MAX_DRAW_BUFFERS, /* surface */
 	      inst->tex_unit,	  /* sampler */
 	      inst->writemask,
 	      BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS,
@@ -777,6 +830,7 @@ static void emit_kil( struct brw_wm_compile *c,
       brw_push_insn_state(p);
       brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_GE, arg0[i], brw_imm_f(0));   
       brw_set_predicate_control_flag_value(p, 0xff);
+      brw_set_compression_control(p, BRW_COMPRESSION_NONE);
       brw_AND(p, r0uw, brw_flag_reg(), r0uw);
       brw_pop_insn_state(p);
    }
@@ -784,7 +838,9 @@ static void emit_kil( struct brw_wm_compile *c,
 
 static void fire_fb_write( struct brw_wm_compile *c,
 			   GLuint base_reg,
-			   GLuint nr )
+			   GLuint nr,
+			   GLuint target,
+			   GLuint eot )
 {
    struct brw_compile *p = &c->func;
    
@@ -807,10 +863,10 @@ static void fire_fb_write( struct brw_wm_compile *c,
 		retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW),
 		base_reg,
 		retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW),
-		0,		/* render surface always 0 */
+		target,		
 		nr,
 		0, 
-		1);
+		eot);
 }
 
 static void emit_aa( struct brw_wm_compile *c,
@@ -835,7 +891,9 @@ static void emit_aa( struct brw_wm_compile *c,
 static void emit_fb_write( struct brw_wm_compile *c,
 			   struct brw_reg *arg0,
 			   struct brw_reg *arg1,
-			   struct brw_reg *arg2)
+			   struct brw_reg *arg2,
+			   GLuint target,
+			   GLuint eot)
 {
    struct brw_compile *p = &c->func;
    GLuint nr = 2;
@@ -890,15 +948,16 @@ static void emit_fb_write( struct brw_wm_compile *c,
       GLuint off = c->key.dest_depth_reg % 2;
 
       if (off != 0) {
-	 brw_push_insn_state(p);
-	 brw_set_compression_control(p, BRW_COMPRESSION_NONE);
-	 brw_MOV(p, brw_message_reg(nr), arg1[comp]);
-	 /* 2nd half? */
-	 brw_MOV(p, brw_message_reg(nr+1), offset(arg1[comp],1));
-	 brw_pop_insn_state(p);
+         brw_push_insn_state(p);
+         brw_set_compression_control(p, BRW_COMPRESSION_NONE);
+
+         brw_MOV(p, brw_message_reg(nr), offset(arg1[comp],1));
+         /* 2nd half? */
+         brw_MOV(p, brw_message_reg(nr+1), arg1[comp+1]);
+         brw_pop_insn_state(p);
       }
       else {
-	 brw_MOV(p, brw_message_reg(nr), arg1[comp]);
+         brw_MOV(p, brw_message_reg(nr), arg1[comp]);
       }
       nr += 2;
    }
@@ -908,7 +967,7 @@ static void emit_fb_write( struct brw_wm_compile *c,
       if (c->key.aa_dest_stencil_reg)
 	 emit_aa(c, arg1, 2);
 
-      fire_fb_write(c, 0, nr);
+      fire_fb_write(c, 0, nr, target, eot);
    }
    else {
       struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));
@@ -925,14 +984,14 @@ static void emit_fb_write( struct brw_wm_compile *c,
       jmp = brw_JMPI(p, ip, ip, brw_imm_w(0));
       {
 	 emit_aa(c, arg1, 2);
-	 fire_fb_write(c, 0, nr);
+	 fire_fb_write(c, 0, nr, target, eot);
 	 /* note - thread killed in subroutine */
       }
       brw_land_fwd_jump(p, jmp);
 
       /* ELSE: Shuffle up one register to fill in the hole left for AA:
        */
-      fire_fb_write(c, 1, nr-1);
+      fire_fb_write(c, 1, nr-1, target, eot);
    }
 }
 
@@ -1080,7 +1139,7 @@ void brw_wm_emit( struct brw_wm_compile *c )
 	 break;
 
       case WM_WPOSXY:
-	 emit_wpos_xy(p, dst, dst_flags, args[0]);
+	 emit_wpos_xy(c, dst, dst_flags, args[0]);
 	 break;
 
       case WM_PIXELW:
@@ -1100,7 +1159,7 @@ void brw_wm_emit( struct brw_wm_compile *c )
 	 break;
 
       case WM_FB_WRITE:
-	 emit_fb_write(c, args[0], args[1], args[2]);
+	 emit_fb_write(c, args[0], args[1], args[2], inst->target, inst->eot);
 	 break;
 
 	 /* Straightforward arithmetic:
@@ -1208,9 +1267,21 @@ void brw_wm_emit( struct brw_wm_compile *c )
 	 emit_slt(p, dst, dst_flags, args[0], args[1]);
 	 break;
 
+      case OPCODE_SLE:
+	 emit_sle(p, dst, dst_flags, args[0], args[1]);
+	break;
+      case OPCODE_SGT:
+	 emit_sgt(p, dst, dst_flags, args[0], args[1]);
+	break;
       case OPCODE_SGE:
 	 emit_sge(p, dst, dst_flags, args[0], args[1]);
 	 break;
+      case OPCODE_SEQ:
+	 emit_seq(p, dst, dst_flags, args[0], args[1]);
+	break;
+      case OPCODE_SNE:
+	 emit_sne(p, dst, dst_flags, args[0], args[1]);
+	break;
 
       case OPCODE_LIT:
 	 emit_lit(p, dst, dst_flags, args[0]);
@@ -1231,7 +1302,8 @@ void brw_wm_emit( struct brw_wm_compile *c )
 	 break;
 
       default:
-	 assert(0);
+	_mesa_printf("unsupport opcode %d in fragment program\n", 
+		inst->opcode);
       }
       
       for (i = 0; i < 4; i++)