nouveau: reindent shader pass0/pass2

if this gets rejected by the commit list, just ignore it..
nothing interesting to see here :)

1 files changed, 405 insertions, 374 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c b/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c
index 503eae36b7..d6ea42573a 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c
@@ -188,7 +188,8 @@ pass0_create_subroutine(nouveauShader *nvs, const char *label)
 		if (!nvs->program_tree)
 			nvs->program_tree = &sub->header;
 		else
-			pass0_append_fragment(nvs->program_tree, &sub->header, 0);
+			pass0_append_fragment(nvs->program_tree,
+					      &sub->header, 0);
 	}
 
 	return sub;
@@ -196,162 +197,168 @@ pass0_create_subroutine(nouveauShader *nvs, const char *label)
 
 static void
 pass0_make_reg(nouveauShader *nvs, nvsRegister *reg,
-      	       nvsRegFile file, unsigned int index)
+	       nvsRegFile file, unsigned int index)
 {
-   struct pass0_rec *rec = nvs->pass_rec;
-
-   /* defaults */
-   *reg = nvr_unused;
-   /* -1 == quick-and-dirty temp alloc */
-   if (file == NVS_FILE_TEMP && index == -1) {
-      index = rec->next_temp++;
-      assert(index < NVS_MAX_TEMPS);
-   }
-   reg->file   = file;
-   reg->index  = index;
+	struct pass0_rec *rec = nvs->pass_rec;
+
+	/* defaults */
+	*reg = nvr_unused;
+	/* -1 == quick-and-dirty temp alloc */
+	if (file == NVS_FILE_TEMP && index == -1) {
+		index = rec->next_temp++;
+		assert(index < NVS_MAX_TEMPS);
+	}
+	reg->file   = file;
+	reg->index  = index;
 }
 
 static void
 pass0_make_swizzle(nvsSwzComp *swz, unsigned int mesa)
 {
-   int i;
+	int i;
 
-   for (i=0;i<4;i++)
-      swz[i] = _tx_mesa_swizzle[GET_SWZ(mesa, i)];
+	for (i=0;i<4;i++)
+		swz[i] = _tx_mesa_swizzle[GET_SWZ(mesa, i)];
 }
 
 static nvsOpcode
 pass0_make_opcode(enum prog_opcode op)
 {
-   if (op > MAX_OPCODE)
-      return NVS_OP_UNKNOWN;
-   return _tx_mesa_opcode[op];
+	if (op > MAX_OPCODE)
+		return NVS_OP_UNKNOWN;
+	return _tx_mesa_opcode[op];
 }
 
 static nvsCond
 pass0_make_condmask(GLuint mesa)
 {
-   if (mesa > COND_FL)
-      return NVS_COND_UNKNOWN;
-   return _tx_mesa_condmask[mesa];
+	if (mesa > COND_FL)
+		return NVS_COND_UNKNOWN;
+	return _tx_mesa_condmask[mesa];
 }
 
 static unsigned int
 pass0_make_mask(GLuint mesa_mask)
 {
-   unsigned int mask = 0;
+	unsigned int mask = 0;
 
-   if (mesa_mask & WRITEMASK_X) mask |= SMASK_X;
-   if (mesa_mask & WRITEMASK_Y) mask |= SMASK_Y;
-   if (mesa_mask & WRITEMASK_Z) mask |= SMASK_Z;
-   if (mesa_mask & WRITEMASK_W) mask |= SMASK_W;
+	if (mesa_mask & WRITEMASK_X) mask |= SMASK_X;
+	if (mesa_mask & WRITEMASK_Y) mask |= SMASK_Y;
+	if (mesa_mask & WRITEMASK_Z) mask |= SMASK_Z;
+	if (mesa_mask & WRITEMASK_W) mask |= SMASK_W;
 
-   return mask;
+	return mask;
 }
 
 static nvsTexTarget
 pass0_make_tex_target(GLuint mesa)
 {
-   switch (mesa) {
-   case TEXTURE_1D_INDEX:   return NVS_TEX_TARGET_1D;
-   case TEXTURE_2D_INDEX:   return NVS_TEX_TARGET_2D;
-   case TEXTURE_3D_INDEX:   return NVS_TEX_TARGET_3D;
-   case TEXTURE_CUBE_INDEX: return NVS_TEX_TARGET_CUBE;
-   case TEXTURE_RECT_INDEX: return NVS_TEX_TARGET_RECT;
-   default:
-      return NVS_TEX_TARGET_UNKNOWN;
-   }
+	switch (mesa) {
+	case TEXTURE_1D_INDEX: return NVS_TEX_TARGET_1D;
+	case TEXTURE_2D_INDEX: return NVS_TEX_TARGET_2D;
+	case TEXTURE_3D_INDEX: return NVS_TEX_TARGET_3D;
+	case TEXTURE_CUBE_INDEX: return NVS_TEX_TARGET_CUBE;
+	case TEXTURE_RECT_INDEX: return NVS_TEX_TARGET_RECT;
+	default:
+		return NVS_TEX_TARGET_UNKNOWN;
+	}
 }
 
 static void
 pass0_make_dst_reg(nvsPtr nvs, nvsRegister *reg,
       		   struct prog_dst_register *dst)
 {
-   struct gl_program *mesa = (struct gl_program*)&nvs->mesa.vp;
-   nvsFixedReg sfr;
-
-   switch (dst->File) {
-   case PROGRAM_OUTPUT:
-      if (mesa->Target == GL_VERTEX_PROGRAM_ARB) {
-	 sfr = (dst->Index < VERT_RESULT_MAX) ?
-	    _tx_mesa_vp_dst_reg[dst->Index] : NVS_FR_UNKNOWN;
-      } else {
-	 sfr = (dst->Index < FRAG_RESULT_MAX) ?
-	    _tx_mesa_fp_dst_reg[dst->Index] : NVS_FR_UNKNOWN;
-      }
-      pass0_make_reg(nvs, reg, NVS_FILE_RESULT, sfr);
-      break;
-   case PROGRAM_TEMPORARY:
-      pass0_make_reg(nvs, reg, NVS_FILE_TEMP, dst->Index);
-      break;
-   case PROGRAM_ADDRESS:
-      pass0_make_reg(nvs, reg, NVS_FILE_ADDRESS, dst->Index);
-      break;
-   default:
-      fprintf(stderr, "Unknown dest file %d\n", dst->File);
-      assert(0);
-   }
+	struct gl_program *mesa = (struct gl_program*)&nvs->mesa.vp;
+	nvsFixedReg sfr;
+
+	switch (dst->File) {
+	case PROGRAM_OUTPUT:
+		if (mesa->Target == GL_VERTEX_PROGRAM_ARB) {
+			sfr = (dst->Index < VERT_RESULT_MAX) ?
+				_tx_mesa_vp_dst_reg[dst->Index] :
+				NVS_FR_UNKNOWN;
+		} else {
+			sfr = (dst->Index < FRAG_RESULT_MAX) ?
+				_tx_mesa_fp_dst_reg[dst->Index] :
+				NVS_FR_UNKNOWN;
+		}
+		pass0_make_reg(nvs, reg, NVS_FILE_RESULT, sfr);
+		break;
+	case PROGRAM_TEMPORARY:
+		pass0_make_reg(nvs, reg, NVS_FILE_TEMP, dst->Index);
+		break;
+	case PROGRAM_ADDRESS:
+		pass0_make_reg(nvs, reg, NVS_FILE_ADDRESS, dst->Index);
+		break;
+	default:
+		fprintf(stderr, "Unknown dest file %d\n", dst->File);
+		assert(0);
+	}
 }
 
 static void
 pass0_make_src_reg(nvsPtr nvs, nvsRegister *reg, struct prog_src_register *src)
 {
-   struct gl_program *mesa = (struct gl_program *)&nvs->mesa.vp.Base;
-   struct gl_program_parameter_list *p = mesa->Parameters;
-
-   *reg = nvr_unused;
-
-   switch (src->File) {
-   case PROGRAM_INPUT:
-      reg->file = NVS_FILE_ATTRIB;
-      if (mesa->Target == GL_VERTEX_PROGRAM_ARB) {
-	 reg->index = (src->Index < VERT_ATTRIB_MAX) ?
-	    _tx_mesa_vp_src_reg[src->Index] : NVS_FR_UNKNOWN;
-      } else {
-	 reg->index = (src->Index < FRAG_ATTRIB_MAX) ?
-	    _tx_mesa_fp_src_reg[src->Index] : NVS_FR_UNKNOWN;
-      }
-      break;
-   /* All const types seem to get shoved into here, not really sure why */
-   case PROGRAM_STATE_VAR:
-      switch (p->Parameters[src->Index].Type) {
-      case PROGRAM_NAMED_PARAM:
-      case PROGRAM_CONSTANT:
-	 nvs->params[src->Index].source_val = NULL;
-	 COPY_4V(nvs->params[src->Index].val, p->ParameterValues[src->Index]); 
-	 break;
-      case PROGRAM_STATE_VAR:
-	 nvs->params[src->Index].source_val = p->ParameterValues[src->Index];
-	 break;
-      default:
-	 fprintf(stderr, "Unknown parameter type %d\n",
-	       p->Parameters[src->Index].Type);
-	 assert(0);
-	 break;
-      }
-
-      if (src->RelAddr) {
-	 reg->indexed	= 1;
-	 reg->addr_reg	= 0;
-	 reg->addr_comp	= NVS_SWZ_X;
-      } else
-	 reg->indexed = 0;
-      reg->file  = NVS_FILE_CONST;
-      reg->index = src->Index;
-      break;
-   case PROGRAM_TEMPORARY:
-      reg->file  = NVS_FILE_TEMP;
-      reg->index = src->Index;
-      break;
-   default:
-      fprintf(stderr, "Unknown source type %d\n", src->File);
-      assert(0);
-   }
-
-   /* per-component negate handled elsewhere */
-   reg->negate = src->NegateBase != 0;
-   reg->abs    = src->Abs;
-   pass0_make_swizzle(reg->swizzle, src->Swizzle);
+	struct gl_program *mesa = (struct gl_program *)&nvs->mesa.vp.Base;
+	struct gl_program_parameter_list *p = mesa->Parameters;
+
+	*reg = nvr_unused;
+
+	switch (src->File) {
+	case PROGRAM_INPUT:
+		reg->file = NVS_FILE_ATTRIB;
+		if (mesa->Target == GL_VERTEX_PROGRAM_ARB) {
+			reg->index = (src->Index < VERT_ATTRIB_MAX) ?
+				_tx_mesa_vp_src_reg[src->Index] :
+				NVS_FR_UNKNOWN;
+		} else {
+			reg->index = (src->Index < FRAG_ATTRIB_MAX) ?
+				_tx_mesa_fp_src_reg[src->Index] :
+				NVS_FR_UNKNOWN;
+		}
+		break;
+	/* All const types seem to get shoved into here, not really sure why */
+	case PROGRAM_STATE_VAR:
+		switch (p->Parameters[src->Index].Type) {
+		case PROGRAM_NAMED_PARAM:
+		case PROGRAM_CONSTANT:
+			nvs->params[src->Index].source_val = NULL;
+			COPY_4V(nvs->params[src->Index].val,
+				p->ParameterValues[src->Index]); 
+			break;
+		case PROGRAM_STATE_VAR:
+			nvs->params[src->Index].source_val =
+				p->ParameterValues[src->Index];
+			break;
+		default:
+			fprintf(stderr, "Unknown parameter type %d\n",
+					p->Parameters[src->Index].Type);
+			assert(0);
+			break;
+		}
+
+		if (src->RelAddr) {
+			reg->indexed	= 1;
+			reg->addr_reg	= 0;
+			reg->addr_comp	= NVS_SWZ_X;
+		} else
+			reg->indexed = 0;
+		reg->file  = NVS_FILE_CONST;
+		reg->index = src->Index;
+		break;
+	case PROGRAM_TEMPORARY:
+		reg->file  = NVS_FILE_TEMP;
+		reg->index = src->Index;
+		break;
+	default:
+		fprintf(stderr, "Unknown source type %d\n", src->File);
+		assert(0);
+	}
+
+	/* per-component negate handled elsewhere */
+	reg->negate = src->NegateBase != 0;
+	reg->abs    = src->Abs;
+	pass0_make_swizzle(reg->swizzle, src->Swizzle);
 }
 
 static nvsInstruction *
@@ -389,59 +396,66 @@ pass0_emit(nouveauShader *nvs, nvsFragmentHeader *parent, int fpos,
 
 static void
 pass0_fixup_swizzle(nvsPtr nvs, nvsFragmentHeader *parent, int fpos,
-      		    struct prog_src_register *src,
+		    struct prog_src_register *src,
 		    unsigned int sm1,
 		    unsigned int sm2)
 {
-   static const float sc[4] = { 1.0, 0.0, -1.0, 0.0 };
-   struct pass0_rec *rec = nvs->pass_rec;
-   int fixup_1, fixup_2;
-   nvsRegister sr, dr = nvr_unused;
-   nvsRegister sm1const, sm2const;
-
-   if (!rec->swzconst_done) {
-      struct gl_program *prog = &nvs->mesa.vp.Base;
-      rec->swzconst_id = _mesa_add_unnamed_constant(prog->Parameters, sc, 4);
-      rec->swzconst_done = 1;
-      COPY_4V(nvs->params[rec->swzconst_id].val, sc);
-   }
-
-   fixup_1 = (sm1 != MAKE_SWIZZLE4(0,0,0,0) && sm2 != MAKE_SWIZZLE4(2,2,2,2));
-   fixup_2 = (sm2 != MAKE_SWIZZLE4(2,2,2,2));
-
-   if (src->File != PROGRAM_TEMPORARY && src->File != PROGRAM_INPUT) {
-      /* We can't use more than one const in an instruction, so move the const
-       * into a temp, and swizzle from there.
-       *TODO: should just emit the swizzled const, instead of swizzling it
-       *      in the shader.. would need to reswizzle any state params when they
-       *      change however..
-       */
-      pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
-      pass0_make_src_reg(nvs, &sr, src);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MOV, dr, SMASK_ALL, 0, sr, nvr_unused, nvr_unused);
-      pass0_make_reg(nvs, &sr, NVS_FILE_TEMP, dr.index);
-   } else {
-      if (fixup_1)
-	 src->NegateBase = 0;
-      pass0_make_src_reg(nvs, &sr, src);
-      pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
-   }
-
-   pass0_make_reg(nvs, &sm1const, NVS_FILE_CONST, rec->swzconst_id);
-   pass0_make_swizzle(sm1const.swizzle, sm1);
-   if (fixup_1 && fixup_2) {
-      /* Any combination with SWIZZLE_ONE */
-      pass0_make_reg(nvs, &sm2const, NVS_FILE_CONST, rec->swzconst_id);
-      pass0_make_swizzle(sm2const.swizzle, sm2);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MAD, dr, SMASK_ALL, 0, sr, sm1const, sm2const);
-   } else {
-      /* SWIZZLE_ZERO || arbitrary negate */
-      pass0_emit(nvs, parent, fpos, NVS_OP_MUL, dr, SMASK_ALL, 0, sr, sm1const, nvr_unused);
-   }
-
-   src->File	= PROGRAM_TEMPORARY;
-   src->Index	= dr.index;
-   src->Swizzle	= SWIZZLE_NOOP;
+	static const float sc[4] = { 1.0, 0.0, -1.0, 0.0 };
+	struct pass0_rec *rec = nvs->pass_rec;
+	int fixup_1, fixup_2;
+	nvsRegister sr, dr = nvr_unused;
+	nvsRegister sm1const, sm2const;
+
+	if (!rec->swzconst_done) {
+		struct gl_program *prog = &nvs->mesa.vp.Base;
+		rec->swzconst_id = _mesa_add_unnamed_constant(prog->Parameters,
+							      sc, 4);
+		rec->swzconst_done = 1;
+		COPY_4V(nvs->params[rec->swzconst_id].val, sc);
+	}
+
+	fixup_1 = (sm1 != MAKE_SWIZZLE4(0,0,0,0) &&
+			sm2 != MAKE_SWIZZLE4(2,2,2,2));
+	fixup_2 = (sm2 != MAKE_SWIZZLE4(2,2,2,2));
+
+	if (src->File != PROGRAM_TEMPORARY && src->File != PROGRAM_INPUT) {
+		/* We can't use more than one const in an instruction,
+		 * so move the const into a temp, and swizzle from there.
+		 *
+		 * TODO: should just emit the swizzled const, instead of
+		 *       swizzling it in the shader.. would need to reswizzle
+		 *       any state params when they change however..
+		 */
+		pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
+		pass0_make_src_reg(nvs, &sr, src);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MOV,
+				dr, SMASK_ALL, 0, sr, nvr_unused, nvr_unused);
+		pass0_make_reg(nvs, &sr, NVS_FILE_TEMP, dr.index);
+	} else {
+		if (fixup_1)
+			src->NegateBase = 0;
+		pass0_make_src_reg(nvs, &sr, src);
+		pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
+	}
+
+	pass0_make_reg(nvs, &sm1const, NVS_FILE_CONST, rec->swzconst_id);
+	pass0_make_swizzle(sm1const.swizzle, sm1);
+	if (fixup_1 && fixup_2) {
+		/* Any combination with SWIZZLE_ONE */
+		pass0_make_reg(nvs, &sm2const,
+				    NVS_FILE_CONST, rec->swzconst_id);
+		pass0_make_swizzle(sm2const.swizzle, sm2);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MAD,
+				dr, SMASK_ALL, 0, sr, sm1const, sm2const);
+	} else {
+		/* SWIZZLE_ZERO || arbitrary negate */
+		pass0_emit(nvs, parent, fpos, NVS_OP_MUL,
+				dr, SMASK_ALL, 0, sr, sm1const, nvr_unused);
+	}
+
+	src->File	= PROGRAM_TEMPORARY;
+	src->Index	= dr.index;
+	src->Swizzle	= SWIZZLE_NOOP;
 }
 
 #define SET_SWZ(fs, cp, c) fs = (fs & ~(0x7<<(cp*3))) | (c<<(cp*3))
@@ -449,81 +463,86 @@ static void
 pass0_check_sources(nvsPtr nvs, nvsFragmentHeader *parent, int fpos,
 		    struct prog_instruction *inst)
 {
-   unsigned int insrc = -1, constsrc = -1;
-   int i;
-
-   for (i=0;i<_mesa_num_inst_src_regs(inst->Opcode);i++) {
-      struct prog_src_register *src = &inst->SrcReg[i];
-      unsigned int sm_1 = 0, sm_2 = 0;
-      nvsRegister sr, dr;
-      int do_mov = 0, c;
-
-      /* Build up swizzle masks as if we were going to use
-       * "MAD new, src, const1, const2" to support arbitrary negation
-       * and SWIZZLE_ZERO/SWIZZLE_ONE.
-       */
-      for (c=0;c<4;c++) {
-	 if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ZERO) {
-	    SET_SWZ(sm_1, c, SWIZZLE_Y); /* 0.0 */
-	    SET_SWZ(sm_2, c, SWIZZLE_Y);
-	    SET_SWZ(src->Swizzle, c, SWIZZLE_X);
-	 } else if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ONE) {
-	    SET_SWZ(sm_1, c, SWIZZLE_Y);
-	    if (src->NegateBase & (1<<c))
-	       SET_SWZ(sm_2, c, SWIZZLE_Z); /* -1.0 */
-	    else
-	       SET_SWZ(sm_2, c, SWIZZLE_X); /* 1.0 */
-	    SET_SWZ(src->Swizzle, c, SWIZZLE_X);
-	 } else {
-	    if (src->NegateBase & (1<<c))
-	       SET_SWZ(sm_1, c, SWIZZLE_Z); /* -[xyzw] */
-	    else
-	       SET_SWZ(sm_1, c, SWIZZLE_X); /* [xyzw] */
-	    SET_SWZ(sm_2, c, SWIZZLE_Y);
-	 }
-      }
-      /* Unless we're multiplying by 1.0 or -1.0 on all components, and we're
-       * adding nothing to any component we have to emulate the swizzle.
-       */
-      if ((sm_1 != MAKE_SWIZZLE4(0,0,0,0) && sm_1 != MAKE_SWIZZLE4(2,2,2,2)) ||
-	       sm_2 != MAKE_SWIZZLE4(1,1,1,1)) {
-	 pass0_fixup_swizzle(nvs, parent, fpos, src, sm_1, sm_2);
-	 /* The source is definitely in a temp now, so don't bother checking 
-	  * for multiple ATTRIB/CONST regs.
-	  */
-	 continue;
-      }
-
-      /* HW can't use more than one ATTRIB or PARAM in a single instruction */
-      switch (src->File) {
-      case PROGRAM_INPUT:
-	 if (insrc != -1 && insrc != src->Index) 
-	    do_mov = 1;
-	 else insrc = src->Index;
-	 break;
-      case PROGRAM_STATE_VAR:
-	 if (constsrc != -1 && constsrc != src->Index)
-	    do_mov = 1;
-	 else constsrc = src->Index;
-	 break;
-      default:
-	 break;
-      }
-
-      /* Emit any extra ATTRIB/CONST to a temp, and modify the Mesa instruction
-       * to point at the temp.
-       */
-      if (do_mov) {
-	 pass0_make_src_reg(nvs, &sr, src);
-	 pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
-	 pass0_emit(nvs, parent, fpos, NVS_OP_MOV, dr, SMASK_ALL, 0,
-	       sr, nvr_unused, nvr_unused);
-
-	 src->File	= PROGRAM_TEMPORARY;
-	 src->Index	= dr.index;
-	 src->Swizzle= SWIZZLE_NOOP;
-      }
-   }
+	unsigned int insrc = -1, constsrc = -1;
+	int i;
+
+	for (i=0;i<_mesa_num_inst_src_regs(inst->Opcode);i++) {
+		struct prog_src_register *src = &inst->SrcReg[i];
+		unsigned int sm_1 = 0, sm_2 = 0;
+		nvsRegister sr, dr;
+		int do_mov = 0, c;
+
+		/* Build up swizzle masks as if we were going to use
+		 * "MAD new, src, const1, const2" to support arbitrary negation
+		 * and SWIZZLE_ZERO/SWIZZLE_ONE.
+		 */
+		for (c=0;c<4;c++) {
+			if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ZERO) {
+				SET_SWZ(sm_1, c, SWIZZLE_Y); /* 0.0 */
+				SET_SWZ(sm_2, c, SWIZZLE_Y);
+				SET_SWZ(src->Swizzle, c, SWIZZLE_X);
+			} else if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ONE) {
+				SET_SWZ(sm_1, c, SWIZZLE_Y);
+				if (src->NegateBase & (1<<c))
+					SET_SWZ(sm_2, c, SWIZZLE_Z); /* -1.0 */
+				else
+					SET_SWZ(sm_2, c, SWIZZLE_X); /* 1.0 */
+				SET_SWZ(src->Swizzle, c, SWIZZLE_X);
+			} else {
+				if (src->NegateBase & (1<<c))
+					SET_SWZ(sm_1, c, SWIZZLE_Z); /* -[xyzw] */
+				else
+					SET_SWZ(sm_1, c, SWIZZLE_X); /*[xyzw]*/
+				SET_SWZ(sm_2, c, SWIZZLE_Y);
+			}
+		}
+
+		/* Unless we're multiplying by 1.0 or -1.0 on all components,
+		 * and we're adding nothing to any component we have to
+		 * emulate the swizzle.
+		 */
+		if ((sm_1 != MAKE_SWIZZLE4(0,0,0,0) &&
+					sm_1 != MAKE_SWIZZLE4(2,2,2,2)) ||
+				sm_2 != MAKE_SWIZZLE4(1,1,1,1)) {
+			pass0_fixup_swizzle(nvs, parent, fpos, src, sm_1, sm_2);
+			/* The source is definitely in a temp now, so don't
+			 * bother checking  for multiple ATTRIB/CONST regs.
+			 */
+			continue;
+		}
+
+		/* HW can't use more than one ATTRIB or PARAM in a single
+		 * instruction */
+		switch (src->File) {
+		case PROGRAM_INPUT:
+			if (insrc != -1 && insrc != src->Index) 
+				do_mov = 1;
+			else insrc = src->Index;
+			break;
+		case PROGRAM_STATE_VAR:
+			if (constsrc != -1 && constsrc != src->Index)
+				do_mov = 1;
+			else constsrc = src->Index;
+			break;
+		default:
+			break;
+		}
+
+		/* Emit any extra ATTRIB/CONST to a temp, and modify the Mesa
+		 * instruction to point at the temp.
+		 */
+		if (do_mov) {
+			pass0_make_src_reg(nvs, &sr, src);
+			pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1);
+			pass0_emit(nvs, parent, fpos, NVS_OP_MOV,
+					dr, SMASK_ALL, 0,
+					sr, nvr_unused, nvr_unused);
+
+			src->File	= PROGRAM_TEMPORARY;
+			src->Index	= dr.index;
+			src->Swizzle= SWIZZLE_NOOP;
+		}
+	}
 }
 
 static GLboolean
@@ -531,138 +550,150 @@ pass0_emulate_instruction(nouveauShader *nvs,
 			  nvsFragmentHeader *parent, int fpos,
 			  struct prog_instruction *inst)
 {
-   nvsFunc *shader = nvs->func;
-   nvsRegister src[3], dest, temp;
-   nvsInstruction *nvsinst;
-   struct pass0_rec *rec = nvs->pass_rec;
-   unsigned int mask = pass0_make_mask(inst->DstReg.WriteMask);
-   int i, sat;
-
-   sat = (inst->SaturateMode == SATURATE_ZERO_ONE);
-
-   /* Build all the "real" regs for the instruction */
-   for (i=0; i<_mesa_num_inst_src_regs(inst->Opcode); i++)
-      pass0_make_src_reg(nvs, &src[i], &inst->SrcReg[i]);
-   if (inst->Opcode != OPCODE_KIL)
-      pass0_make_dst_reg(nvs, &dest, &inst->DstReg);
-
-   switch (inst->Opcode) {
-   case OPCODE_ABS:
-      if (shader->caps & SCAP_SRC_ABS)
-	 pass0_emit(nvs, parent, fpos, NVS_OP_MOV, dest, mask, sat,
-	       	      nvsAbs(src[0]), nvr_unused, nvr_unused);
-      else
-	 pass0_emit(nvs, parent, fpos, NVS_OP_MAX, dest, mask, sat,
-	       	      src[0], nvsNegate(src[0]), nvr_unused);
-      break;
-   case OPCODE_KIL:
-      /* This is only in ARB shaders, so we don't have to worry
-       * about clobbering a CC reg as they aren't supported anyway.
-       */
-      /* MOVC0 temp, src */
-      pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
-      nvsinst = pass0_emit(nvs, parent, fpos, NVS_OP_MOV, temp, SMASK_ALL, 0,
-	    		   src[0], nvr_unused, nvr_unused);
-      nvsinst->cond_update = 1;
-      nvsinst->cond_reg    = 0;
-      /* KIL_NV (LT0.xyzw) temp */
-      nvsinst = pass0_emit(nvs, parent, fpos, NVS_OP_KIL, nvr_unused, 0, 0,
-	    		   nvr_unused, nvr_unused, nvr_unused);
-      nvsinst->cond      = COND_LT;
-      nvsinst->cond_reg  = 0;
-      nvsinst->cond_test = 1;
-      pass0_make_swizzle(nvsinst->cond_swizzle, MAKE_SWIZZLE4(0,1,2,3));
-      break;
-   case OPCODE_LIT:
-      break;
-   case OPCODE_LRP:
-      pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MAD, temp, mask, 0,
-	    	 nvsNegate(src[0]), src[2], src[2]);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MAD, dest, mask, sat,
-	    	 src[0], src[1], temp);
-      break;
-   case OPCODE_POW:
-      if (shader->SupportsOpcode(shader, NVS_OP_LG2) &&
-	    shader->SupportsOpcode(shader, NVS_OP_EX2)) {
-	 pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
-	 /* LG2 temp.x, src0.c */
-	 pass0_emit(nvs, parent, fpos, NVS_OP_LG2, temp, SMASK_X, 0,
-	       	      nvsSwizzle(src[0], X, X, X, X),
-		      nvr_unused,
-		      nvr_unused);
-	 /* MUL temp.x, temp.x, src1.c */
-	 pass0_emit(nvs, parent, fpos, NVS_OP_MUL, temp, SMASK_X, 0,
-	       	      nvsSwizzle(temp, X, X, X, X),
-		      nvsSwizzle(src[1], X, X, X, X),
-		      nvr_unused);
-	 /* EX2 dest, temp.x */
-	 pass0_emit(nvs, parent, fpos, NVS_OP_EX2, dest, mask, sat,
-	       	      nvsSwizzle(temp, X, X, X, X),
-		      nvr_unused,
-		      nvr_unused);
-      } else {
-	 /* can we use EXP/LOG instead of EX2/LG2?? */
-	 fprintf(stderr, "Implement POW for NV20 vtxprog!\n");
-	 return GL_FALSE;
-      }
-      break;
-   case OPCODE_RSQ:
-      if (rec->const_half.file != NVS_FILE_CONST) {
-	 GLfloat const_half[4] = { 0.5, 0.0, 0.0, 0.0 };
-	 pass0_make_reg(nvs, &rec->const_half, NVS_FILE_CONST,
-	       _mesa_add_unnamed_constant(nvs->mesa.vp.Base.Parameters,
-		  			  const_half, 4));
-	 COPY_4V(nvs->params[rec->const_half.index].val, const_half);
-      }
-      pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
-      pass0_emit(nvs, parent, fpos, NVS_OP_LG2, temp, SMASK_X, 0,
-	    	 nvsAbs(nvsSwizzle(src[0], X, X, X, X)),
-		 nvr_unused,
-		 nvr_unused);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MUL, temp, SMASK_X, 0,
-	    	 nvsSwizzle(temp, X, X, X, X),
-		 nvsNegate(rec->const_half),
-		 nvr_unused);
-      pass0_emit(nvs, parent, fpos, NVS_OP_EX2, dest, mask, sat,
-	    	 nvsSwizzle(temp, X, X, X, X),
-		 nvr_unused,
-		 nvr_unused);
-      break;
-   case OPCODE_SCS:
-      if (mask & SMASK_X)
-	 pass0_emit(nvs, parent, fpos, NVS_OP_COS, dest, SMASK_X, sat,
-	       	      nvsSwizzle(src[0], X, X, X, X),
-		      nvr_unused,
-		      nvr_unused);
-      if (mask & SMASK_Y)
-	 pass0_emit(nvs, parent, fpos, NVS_OP_SIN, dest, SMASK_Y, sat,
-	       	      nvsSwizzle(src[0], X, X, X, X),
-		      nvr_unused,
-		      nvr_unused);
-      break;
-   case OPCODE_SUB:
-      pass0_emit(nvs, parent, fpos, NVS_OP_ADD, dest, mask, sat,
-	    	 src[0], nvsNegate(src[1]), nvr_unused);
-      break;
-   case OPCODE_XPD:
-      pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MUL, temp, SMASK_ALL, 0,
-	    	   nvsSwizzle(src[0], Z, X, Y, Y),
-		   nvsSwizzle(src[1], Y, Z, X, X),
-		   nvr_unused);
-      pass0_emit(nvs, parent, fpos, NVS_OP_MAD, dest, (mask & ~SMASK_W), sat,
-	    	   nvsSwizzle(src[0], Y, Z, X, X),
-		   nvsSwizzle(src[1], Z, X, Y, Y),
-		   nvsNegate(temp));
-      break;
-   default:
-      fprintf(stderr, "hw doesn't support opcode \"%s\", and no emulation found\n",
-	      _mesa_opcode_string(inst->Opcode));
-      return GL_FALSE;
-   }
-
-   return GL_TRUE;
+	nvsFunc *shader = nvs->func;
+	nvsRegister src[3], dest, temp;
+	nvsInstruction *nvsinst;
+	struct pass0_rec *rec = nvs->pass_rec;
+	unsigned int mask = pass0_make_mask(inst->DstReg.WriteMask);
+	int i, sat;
+
+	sat = (inst->SaturateMode == SATURATE_ZERO_ONE);
+
+	/* Build all the "real" regs for the instruction */
+	for (i=0; i<_mesa_num_inst_src_regs(inst->Opcode); i++)
+		pass0_make_src_reg(nvs, &src[i], &inst->SrcReg[i]);
+	if (inst->Opcode != OPCODE_KIL)
+		pass0_make_dst_reg(nvs, &dest, &inst->DstReg);
+
+	switch (inst->Opcode) {
+	case OPCODE_ABS:
+		if (shader->caps & SCAP_SRC_ABS)
+			pass0_emit(nvs, parent, fpos, NVS_OP_MOV,
+					dest, mask, sat,
+					nvsAbs(src[0]), nvr_unused, nvr_unused);
+		else
+			pass0_emit(nvs, parent, fpos, NVS_OP_MAX,
+					dest, mask, sat,
+					src[0], nvsNegate(src[0]), nvr_unused);
+		break;
+	case OPCODE_KIL:
+		/* This is only in ARB shaders, so we don't have to worry
+		 * about clobbering a CC reg as they aren't supported anyway.
+		 */
+		/* MOVC0 temp, src */
+		pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
+		nvsinst = pass0_emit(nvs, parent, fpos, NVS_OP_MOV, 
+					  temp, SMASK_ALL, 0,
+					  src[0], nvr_unused, nvr_unused);
+		nvsinst->cond_update = 1;
+		nvsinst->cond_reg    = 0;
+		/* KIL_NV (LT0.xyzw) temp */
+		nvsinst = pass0_emit(nvs, parent, fpos, NVS_OP_KIL,
+					  nvr_unused, 0, 0,
+					  nvr_unused, nvr_unused, nvr_unused);
+		nvsinst->cond      = COND_LT;
+		nvsinst->cond_reg  = 0;
+		nvsinst->cond_test = 1;
+		pass0_make_swizzle(nvsinst->cond_swizzle,
+				   MAKE_SWIZZLE4(0,1,2,3));
+		break;
+	case OPCODE_LRP:
+		pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MAD, temp, mask, 0,
+				nvsNegate(src[0]), src[2], src[2]);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MAD, dest, mask, sat,
+				src[0], src[1], temp);
+		break;
+	case OPCODE_POW:
+		if (shader->SupportsOpcode(shader, NVS_OP_LG2) &&
+				shader->SupportsOpcode(shader, NVS_OP_EX2)) {
+			pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
+			/* LG2 temp.x, src0.c */
+			pass0_emit(nvs, parent, fpos, NVS_OP_LG2,
+					temp, SMASK_X, 0,
+					nvsSwizzle(src[0], X, X, X, X),
+					nvr_unused,
+					nvr_unused);
+			/* MUL temp.x, temp.x, src1.c */
+			pass0_emit(nvs, parent, fpos, NVS_OP_MUL,
+					temp, SMASK_X, 0,
+					nvsSwizzle(temp, X, X, X, X),
+					nvsSwizzle(src[1], X, X, X, X),
+					nvr_unused);
+			/* EX2 dest, temp.x */
+			pass0_emit(nvs, parent, fpos, NVS_OP_EX2,
+					dest, mask, sat,
+					nvsSwizzle(temp, X, X, X, X),
+					nvr_unused,
+					nvr_unused);
+		} else {
+			/* can we use EXP/LOG instead of EX2/LG2?? */
+			fprintf(stderr, "Implement POW for NV20 vtxprog!\n");
+			return GL_FALSE;
+		}
+		break;
+	case OPCODE_RSQ:
+		if (rec->const_half.file != NVS_FILE_CONST) {
+			GLfloat const_half[4] = { 0.5, 0.0, 0.0, 0.0 };
+			pass0_make_reg(nvs, &rec->const_half, NVS_FILE_CONST,
+					_mesa_add_unnamed_constant(
+						nvs->mesa.vp.Base.Parameters,
+						const_half, 4));
+			COPY_4V(nvs->params[rec->const_half.index].val,
+				const_half);
+		}
+		pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
+		pass0_emit(nvs, parent, fpos, NVS_OP_LG2, temp, SMASK_X, 0,
+				nvsAbs(nvsSwizzle(src[0], X, X, X, X)),
+				nvr_unused,
+				nvr_unused);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MUL, temp, SMASK_X, 0,
+				nvsSwizzle(temp, X, X, X, X),
+				nvsNegate(rec->const_half),
+				nvr_unused);
+		pass0_emit(nvs, parent, fpos, NVS_OP_EX2, dest, mask, sat,
+				nvsSwizzle(temp, X, X, X, X),
+				nvr_unused,
+				nvr_unused);
+		break;
+	case OPCODE_SCS:
+		if (mask & SMASK_X)
+			pass0_emit(nvs, parent, fpos, NVS_OP_COS,
+					dest, SMASK_X, sat,
+					nvsSwizzle(src[0], X, X, X, X),
+					nvr_unused,
+					nvr_unused);
+		if (mask & SMASK_Y)
+			pass0_emit(nvs, parent, fpos, NVS_OP_SIN,
+					dest, SMASK_Y, sat,
+					nvsSwizzle(src[0], X, X, X, X),
+					nvr_unused,
+					nvr_unused);
+		break;
+	case OPCODE_SUB:
+		pass0_emit(nvs, parent, fpos, NVS_OP_ADD, dest, mask, sat,
+				src[0], nvsNegate(src[1]), nvr_unused);
+		break;
+	case OPCODE_XPD:
+		pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MUL, temp, SMASK_ALL, 0,
+				nvsSwizzle(src[0], Z, X, Y, Y),
+				nvsSwizzle(src[1], Y, Z, X, X),
+				nvr_unused);
+		pass0_emit(nvs, parent, fpos, NVS_OP_MAD,
+				dest, (mask & ~SMASK_W), sat,
+				nvsSwizzle(src[0], Y, Z, X, X),
+				nvsSwizzle(src[1], Z, X, Y, Y),
+				nvsNegate(temp));
+		break;
+	default:
+		WARN_ONCE("hw doesn't support opcode \"%s\","
+			  "and no emulation found\n",
+			  _mesa_opcode_string(inst->Opcode));
+		return GL_FALSE;
+	}
+
+	return GL_TRUE;
 }
 
 static GLboolean