i965/fs: Use offset() in the ARB_fragment_program code.

Reviewed-by: Paul Berry <stereotype441@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_fs_fp.cpp b/src/mesa/drivers/dri/i965/brw_fs_fp.cpp
index f5faac98957fff25291fd8172aab712bdffd90f5..5a677a7df3c268f84fa22913af4bc06e5143e04a 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_fp.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_fp.cpp
@@ -30,13 +30,6 @@
 #include "brw_context.h"
 #include "brw_fs.h"
 
-static fs_reg
-regoffset(fs_reg reg, int i)
-{
-   reg.reg_offset += i;
-   return reg;
-}
-
 void
 fs_visitor::emit_fp_alu1(enum opcode opcode,
                          const struct prog_instruction *fpi,
@@ -44,7 +37,7 @@ fs_visitor::emit_fp_alu1(enum opcode opcode,
 {
    for (int i = 0; i < 4; i++) {
       if (fpi->DstReg.WriteMask & (1 << i))
-         emit(opcode, regoffset(dst, i), regoffset(src, i));
+         emit(opcode, offset(dst, i), offset(src, i));
    }
 }
 
@@ -55,8 +48,8 @@ fs_visitor::emit_fp_alu2(enum opcode opcode,
 {
    for (int i = 0; i < 4; i++) {
       if (fpi->DstReg.WriteMask & (1 << i))
-         emit(opcode, regoffset(dst, i),
-              regoffset(src0, i), regoffset(src1, i));
+         emit(opcode, offset(dst, i),
+              offset(src0, i), offset(src1, i));
    }
 }
 
@@ -72,8 +65,8 @@ fs_visitor::emit_fp_minmax(const prog_instruction *fpi,
 
    for (int i = 0; i < 4; i++) {
       if (fpi->DstReg.WriteMask & (1 << i)) {
-         emit_minmax(conditionalmod, regoffset(dst, i),
-                     regoffset(src0, i), regoffset(src1, i));
+         emit_minmax(conditionalmod, offset(dst, i),
+                     offset(src0, i), offset(src1, i));
       }
    }
 }
@@ -88,10 +81,10 @@ fs_visitor::emit_fp_sop(uint32_t conditional_mod,
       if (fpi->DstReg.WriteMask & (1 << i)) {
          fs_inst *inst;
 
-         emit(CMP(reg_null_d, regoffset(src0, i), regoffset(src1, i),
+         emit(CMP(reg_null_d, offset(src0, i), offset(src1, i),
                   conditional_mod));
 
-         inst = emit(BRW_OPCODE_SEL, regoffset(dst, i), one, fs_reg(0.0f));
+         inst = emit(BRW_OPCODE_SEL, offset(dst, i), one, fs_reg(0.0f));
          inst->predicate = BRW_PREDICATE_NORMAL;
       }
    }
@@ -103,7 +96,7 @@ fs_visitor::emit_fp_scalar_write(const struct prog_instruction *fpi,
 {
    for (int i = 0; i < 4; i++) {
       if (fpi->DstReg.WriteMask & (1 << i))
-         emit(MOV(regoffset(dst, i), src));
+         emit(MOV(offset(dst, i), src));
    }
 }
 
@@ -170,11 +163,11 @@ fs_visitor::emit_fragment_program_code()
             if (fpi->DstReg.WriteMask & (1 << i)) {
                fs_inst *inst;
 
-               emit(CMP(null, regoffset(src[0], i), fs_reg(0.0f),
+               emit(CMP(null, offset(src[0], i), fs_reg(0.0f),
                         BRW_CONDITIONAL_L));
 
-               inst = emit(BRW_OPCODE_SEL, regoffset(dst, i),
-                           regoffset(src[1], i), regoffset(src[2], i));
+               inst = emit(BRW_OPCODE_SEL, offset(dst, i),
+                           offset(src[1], i), offset(src[2], i));
                inst->predicate = BRW_PREDICATE_NORMAL;
             }
          }
@@ -200,14 +193,14 @@ fs_visitor::emit_fragment_program_code()
          default: assert(!"not reached"); count = 0; break;
          }
 
-         emit(MUL(acc, regoffset(src[0], 0), regoffset(src[1], 0)));
+         emit(MUL(acc, offset(src[0], 0), offset(src[1], 0)));
          for (int i = 1; i < count; i++) {
-            emit(MUL(mul, regoffset(src[0], i), regoffset(src[1], i)));
+            emit(MUL(mul, offset(src[0], i), offset(src[1], i)));
             emit(ADD(acc, acc, mul));
          }
 
          if (fpi->Opcode == OPCODE_DPH)
-            emit(ADD(acc, acc, regoffset(src[1], 3)));
+            emit(ADD(acc, acc, offset(src[1], 3)));
 
          emit_fp_scalar_write(fpi, dst, acc);
          break;
@@ -217,13 +210,13 @@ fs_visitor::emit_fragment_program_code()
          if (fpi->DstReg.WriteMask & WRITEMASK_X)
             emit(MOV(dst, fs_reg(1.0f)));
          if (fpi->DstReg.WriteMask & WRITEMASK_Y) {
-            emit(MUL(regoffset(dst, 1),
-                     regoffset(src[0], 1), regoffset(src[1], 1)));
+            emit(MUL(offset(dst, 1),
+                     offset(src[0], 1), offset(src[1], 1)));
          }
          if (fpi->DstReg.WriteMask & WRITEMASK_Z)
-            emit(MOV(regoffset(dst, 2), regoffset(src[0], 2)));
+            emit(MOV(offset(dst, 2), offset(src[0], 2)));
          if (fpi->DstReg.WriteMask & WRITEMASK_W)
-            emit(MOV(regoffset(dst, 3), regoffset(src[1], 3)));
+            emit(MOV(offset(dst, 3), offset(src[1], 3)));
          break;
 
       case OPCODE_EX2:
@@ -257,7 +250,7 @@ fs_visitor::emit_fragment_program_code()
              * undiscarded pixels, and updates just those pixels to be
              * turned off.
              */
-            fs_inst *cmp = emit(CMP(null, regoffset(src[0], i), fs_reg(0.0f),
+            fs_inst *cmp = emit(CMP(null, offset(src[0], i), fs_reg(0.0f),
                                     BRW_CONDITIONAL_GE));
             cmp->predicate = BRW_PREDICATE_NORMAL;
             cmp->flag_subreg = 1;
@@ -286,40 +279,40 @@ fs_visitor::emit_fragment_program_code()
           * brw_wm_emit.c either.
           */
          if (fpi->DstReg.WriteMask & WRITEMASK_X)
-            emit(MOV(regoffset(dst, 0), fs_reg(1.0f)));
+            emit(MOV(offset(dst, 0), fs_reg(1.0f)));
 
          if (fpi->DstReg.WriteMask & WRITEMASK_YZ) {
             fs_inst *inst;
-            emit(CMP(null, regoffset(src[0], 0), fs_reg(0.0f),
+            emit(CMP(null, offset(src[0], 0), fs_reg(0.0f),
                      BRW_CONDITIONAL_LE));
 
             if (fpi->DstReg.WriteMask & WRITEMASK_Y) {
-               emit(MOV(regoffset(dst, 1), regoffset(src[0], 0)));
-               inst = emit(MOV(regoffset(dst, 1), fs_reg(0.0f)));
+               emit(MOV(offset(dst, 1), offset(src[0], 0)));
+               inst = emit(MOV(offset(dst, 1), fs_reg(0.0f)));
                inst->predicate = BRW_PREDICATE_NORMAL;
             }
 
             if (fpi->DstReg.WriteMask & WRITEMASK_Z) {
-               emit_math(SHADER_OPCODE_POW, regoffset(dst, 2),
-                         regoffset(src[0], 1), regoffset(src[0], 3));
+               emit_math(SHADER_OPCODE_POW, offset(dst, 2),
+                         offset(src[0], 1), offset(src[0], 3));
 
-               inst = emit(MOV(regoffset(dst, 2), fs_reg(0.0f)));
+               inst = emit(MOV(offset(dst, 2), fs_reg(0.0f)));
                inst->predicate = BRW_PREDICATE_NORMAL;
             }
          }
 
          if (fpi->DstReg.WriteMask & WRITEMASK_W)
-            emit(MOV(regoffset(dst, 3), fs_reg(1.0f)));
+            emit(MOV(offset(dst, 3), fs_reg(1.0f)));
 
          break;
 
       case OPCODE_LRP:
          for (int i = 0; i < 4; i++) {
             if (fpi->DstReg.WriteMask & (1 << i)) {
-               fs_reg a = regoffset(src[0], i);
-               fs_reg y = regoffset(src[1], i);
-               fs_reg x = regoffset(src[2], i);
-               emit_lrp(regoffset(dst, i), x, y, a);
+               fs_reg a = offset(src[0], i);
+               fs_reg y = offset(src[1], i);
+               fs_reg x = offset(src[2], i);
+               emit_lrp(offset(dst, i), x, y, a);
             }
          }
          break;
@@ -328,8 +321,8 @@ fs_visitor::emit_fragment_program_code()
          for (int i = 0; i < 4; i++) {
             if (fpi->DstReg.WriteMask & (1 << i)) {
                fs_reg temp = fs_reg(this, glsl_type::float_type);
-               emit(MUL(temp, regoffset(src[0], i), regoffset(src[1], i)));
-               emit(ADD(regoffset(dst, i), temp, regoffset(src[2], i)));
+               emit(MUL(temp, offset(src[0], i), offset(src[1], i)));
+               emit(ADD(offset(dst, i), temp, offset(src[2], i)));
             }
          }
          break;
@@ -367,13 +360,13 @@ fs_visitor::emit_fragment_program_code()
 
       case OPCODE_SCS:
          if (fpi->DstReg.WriteMask & WRITEMASK_X) {
-            emit_math(SHADER_OPCODE_COS, regoffset(dst, 0),
-                      regoffset(src[0], 0));
+            emit_math(SHADER_OPCODE_COS, offset(dst, 0),
+                      offset(src[0], 0));
          }
 
          if (fpi->DstReg.WriteMask & WRITEMASK_Y) {
-            emit_math(SHADER_OPCODE_SIN, regoffset(dst, 1),
-                      regoffset(src[0], 1));
+            emit_math(SHADER_OPCODE_SIN, offset(dst, 1),
+                      offset(src[0], 1));
          }
          break;
 
@@ -423,16 +416,16 @@ fs_visitor::emit_fragment_program_code()
 
             coordinate = fs_reg(this, glsl_type::vec3_type);
             fs_reg invproj = fs_reg(this, glsl_type::float_type);
-            emit_math(SHADER_OPCODE_RCP, invproj, regoffset(src[0], 3));
+            emit_math(SHADER_OPCODE_RCP, invproj, offset(src[0], 3));
             for (int i = 0; i < 3; i++) {
-               emit(MUL(regoffset(coordinate, i),
-                        regoffset(src[0], i), invproj));
+               emit(MUL(offset(coordinate, i),
+                        offset(src[0], i), invproj));
             }
             break;
          }
          case OPCODE_TXB:
             ir = new(mem_ctx) ir_texture(ir_txb);
-            lod = regoffset(src[0], 3);
+            lod = offset(src[0], 3);
             break;
          default:
             assert(!"not reached");
@@ -468,13 +461,13 @@ fs_visitor::emit_fragment_program_code()
             abscoord.negate = false;
             abscoord.abs = true;
             emit_minmax(BRW_CONDITIONAL_GE, temp,
-                        regoffset(abscoord, 0), regoffset(abscoord, 1));
+                        offset(abscoord, 0), offset(abscoord, 1));
             emit_minmax(BRW_CONDITIONAL_GE, temp,
-                        temp, regoffset(abscoord, 2));
+                        temp, offset(abscoord, 2));
             emit_math(SHADER_OPCODE_RCP, temp, temp);
             for (int i = 0; i < 3; i++) {
-               emit(MUL(regoffset(cubecoord, i),
-                        regoffset(coordinate, i), temp));
+               emit(MUL(offset(cubecoord, i),
+                        offset(coordinate, i), temp));
             }
 
             coordinate = cubecoord;
@@ -491,7 +484,7 @@ fs_visitor::emit_fragment_program_code()
          ir->coordinate = new(mem_ctx) ir_constant(coordinate_type, &junk_data);
 
          if (fpi->TexShadow) {
-            shadow_c = regoffset(coordinate, 2);
+            shadow_c = offset(coordinate, 2);
             ir->shadow_comparitor = new(mem_ctx) ir_constant(0.0f);
          }
 
@@ -532,12 +525,12 @@ fs_visitor::emit_fragment_program_code()
                int i2 = (i + 2) % 3;
 
                fs_reg temp = fs_reg(this, glsl_type::float_type);
-               fs_reg neg_src1_1 = regoffset(src[1], i1);
+               fs_reg neg_src1_1 = offset(src[1], i1);
                neg_src1_1.negate = !neg_src1_1.negate;
-               emit(MUL(temp, regoffset(src[0], i2), neg_src1_1));
-               emit(MUL(regoffset(dst, i),
-                        regoffset(src[0], i1), regoffset(src[1], i2)));
-               emit(ADD(regoffset(dst, i), regoffset(dst, i), temp));
+               emit(MUL(temp, offset(src[0], i2), neg_src1_1));
+               emit(MUL(offset(dst, i),
+                        offset(src[0], i1), offset(src[1], i2)));
+               emit(ADD(offset(dst, i), offset(dst, i), temp));
             }
          }
          break;
@@ -558,8 +551,8 @@ fs_visitor::emit_fragment_program_code()
 
          for (int i = 0; i < 4; i++) {
             if (fpi->DstReg.WriteMask & (1 << i)) {
-               fs_inst *inst = emit(MOV(regoffset(real_dst, i),
-                                        regoffset(dst, i)));
+               fs_inst *inst = emit(MOV(offset(real_dst, i),
+                                        offset(dst, i)));
                inst->saturate = fpi->SaturateMode;
             }
          }
@@ -574,7 +567,7 @@ fs_visitor::emit_fragment_program_code()
    this->current_annotation = "result.depth write";
    if (frag_depth.file != BAD_FILE) {
       fs_reg temp = fs_reg(this, glsl_type::float_type);
-      emit(MOV(temp, regoffset(frag_depth, 2)));
+      emit(MOV(temp, offset(frag_depth, 2)));
       frag_depth = temp;
    }
 }
@@ -626,9 +619,9 @@ fs_visitor::setup_fp_regs()
             fp_input_regs[i] = *emit_general_interpolation(ir);
 
             if (i == VARYING_SLOT_FOGC) {
-               emit(MOV(regoffset(fp_input_regs[i], 1), fs_reg(0.0f)));
-               emit(MOV(regoffset(fp_input_regs[i], 2), fs_reg(0.0f)));
-               emit(MOV(regoffset(fp_input_regs[i], 3), fs_reg(1.0f)));
+               emit(MOV(offset(fp_input_regs[i], 1), fs_reg(0.0f)));
+               emit(MOV(offset(fp_input_regs[i], 2), fs_reg(0.0f)));
+               emit(MOV(offset(fp_input_regs[i], 3), fs_reg(1.0f)));
             }
 
             break;
@@ -716,7 +709,7 @@ fs_visitor::get_fp_src_reg(const prog_src_register *src)
          result = fs_reg(this, glsl_type::vec4_type);
 
          for (int i = 0; i < 4; i++) {
-            emit(MOV(regoffset(result, i),
+            emit(MOV(offset(result, i),
                      fs_reg(plist->ParameterValues[src->Index][i].f)));
          }
          break;
@@ -750,15 +743,15 @@ fs_visitor::get_fp_src_reg(const prog_src_register *src)
           */
          int src_swiz = GET_SWZ(src->Swizzle, i);
          if (src_swiz == SWIZZLE_ZERO) {
-            emit(MOV(regoffset(result, i), fs_reg(0.0f)));
+            emit(MOV(offset(result, i), fs_reg(0.0f)));
          } else if (src_swiz == SWIZZLE_ONE) {
-            emit(MOV(regoffset(result, i),
+            emit(MOV(offset(result, i),
                      negate ? fs_reg(-1.0f) : fs_reg(1.0f)));
          } else {
-            fs_reg src = regoffset(unswizzled, src_swiz);
+            fs_reg src = offset(unswizzled, src_swiz);
             if (negate)
                src.negate = !src.negate;
-            emit(MOV(regoffset(result, i), src));
+            emit(MOV(offset(result, i), src));
          }
       }
    }