i915tex: remove. it's deprecated and causes merge problems

we did some small changes in the beginning of the gallium3d
lifecycle in i915tex which is not in master anymore and just
causes problems when doing merges. getting rid of the headache
by just nuking it here

1 files changed, 0 insertions, 1073 deletions

diff --git a/src/mesa/drivers/dri/i915tex/i915_fragprog.c b/src/mesa/drivers/dri/i915tex/i915_fragprog.c
deleted file mode 100644
index 95ec50490a..0000000000
--- a/src/mesa/drivers/dri/i915tex/i915_fragprog.c
+++ /dev/null
@@ -1,1073 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#include "glheader.h"
-#include "macros.h"
-#include "enums.h"
-
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "intel_batchbuffer.h"
-
-#include "i915_reg.h"
-#include "i915_context.h"
-#include "i915_program.h"
-
-#include "prog_instruction.h"
-#include "prog_parameter.h"
-#include "program.h"
-#include "programopt.h"
-
-
-
-/* 1, -1/3!, 1/5!, -1/7! */
-static const GLfloat sin_constants[4] = { 1.0,
-   -1.0 / (3 * 2 * 1),
-   1.0 / (5 * 4 * 3 * 2 * 1),
-   -1.0 / (7 * 6 * 5 * 4 * 3 * 2 * 1)
-};
-
-/* 1, -1/2!, 1/4!, -1/6! */
-static const GLfloat cos_constants[4] = { 1.0,
-   -1.0 / (2 * 1),
-   1.0 / (4 * 3 * 2 * 1),
-   -1.0 / (6 * 5 * 4 * 3 * 2 * 1)
-};
-
-/**
- * Retrieve a ureg for the given source register.  Will emit
- * constants, apply swizzling and negation as needed.
- */
-static GLuint
-src_vector(struct i915_fragment_program *p,
-           const struct prog_src_register *source,
-           const struct gl_fragment_program *program)
-{
-   GLuint src;
-
-   switch (source->File) {
-
-      /* Registers:
-       */
-   case PROGRAM_TEMPORARY:
-      if (source->Index >= I915_MAX_TEMPORARY) {
-         i915_program_error(p, "Exceeded max temporary reg");
-         return 0;
-      }
-      src = UREG(REG_TYPE_R, source->Index);
-      break;
-   case PROGRAM_INPUT:
-      switch (source->Index) {
-      case FRAG_ATTRIB_WPOS:
-         src = i915_emit_decl(p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL);
-         break;
-      case FRAG_ATTRIB_COL0:
-         src = i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL);
-         break;
-      case FRAG_ATTRIB_COL1:
-         src = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ);
-         src = swizzle(src, X, Y, Z, ONE);
-         break;
-      case FRAG_ATTRIB_FOGC:
-         src = i915_emit_decl(p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W);
-         src = swizzle(src, W, W, W, W);
-         break;
-      case FRAG_ATTRIB_TEX0:
-      case FRAG_ATTRIB_TEX1:
-      case FRAG_ATTRIB_TEX2:
-      case FRAG_ATTRIB_TEX3:
-      case FRAG_ATTRIB_TEX4:
-      case FRAG_ATTRIB_TEX5:
-      case FRAG_ATTRIB_TEX6:
-      case FRAG_ATTRIB_TEX7:
-         src = i915_emit_decl(p, REG_TYPE_T,
-                              T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
-                              D0_CHANNEL_ALL);
-         break;
-
-      default:
-         i915_program_error(p, "Bad source->Index");
-         return 0;
-      }
-      break;
-
-      /* Various paramters and env values.  All emitted to
-       * hardware as program constants.
-       */
-   case PROGRAM_LOCAL_PARAM:
-      src = i915_emit_param4fv(p, program->Base.LocalParams[source->Index]);
-      break;
-
-   case PROGRAM_ENV_PARAM:
-      src =
-         i915_emit_param4fv(p,
-                            p->ctx->FragmentProgram.Parameters[source->
-                                                               Index]);
-      break;
-
-   case PROGRAM_CONSTANT:
-   case PROGRAM_STATE_VAR:
-   case PROGRAM_NAMED_PARAM:
-      src =
-         i915_emit_param4fv(p,
-                            program->Base.Parameters->ParameterValues[source->
-                                                                      Index]);
-      break;
-
-   default:
-      i915_program_error(p, "Bad source->File");
-      return 0;
-   }
-
-   src = swizzle(src,
-                 GET_SWZ(source->Swizzle, 0),
-                 GET_SWZ(source->Swizzle, 1),
-                 GET_SWZ(source->Swizzle, 2), GET_SWZ(source->Swizzle, 3));
-
-   if (source->NegateBase)
-      src = negate(src,
-                   GET_BIT(source->NegateBase, 0),
-                   GET_BIT(source->NegateBase, 1),
-                   GET_BIT(source->NegateBase, 2),
-                   GET_BIT(source->NegateBase, 3));
-
-   return src;
-}
-
-
-static GLuint
-get_result_vector(struct i915_fragment_program *p,
-                  const struct prog_instruction *inst)
-{
-   switch (inst->DstReg.File) {
-   case PROGRAM_OUTPUT:
-      switch (inst->DstReg.Index) {
-      case FRAG_RESULT_COLR:
-         return UREG(REG_TYPE_OC, 0);
-      case FRAG_RESULT_DEPR:
-         p->depth_written = 1;
-         return UREG(REG_TYPE_OD, 0);
-      default:
-         i915_program_error(p, "Bad inst->DstReg.Index");
-         return 0;
-      }
-   case PROGRAM_TEMPORARY:
-      return UREG(REG_TYPE_R, inst->DstReg.Index);
-   default:
-      i915_program_error(p, "Bad inst->DstReg.File");
-      return 0;
-   }
-}
-
-static GLuint
-get_result_flags(const struct prog_instruction *inst)
-{
-   GLuint flags = 0;
-
-   if (inst->SaturateMode == SATURATE_ZERO_ONE)
-      flags |= A0_DEST_SATURATE;
-   if (inst->DstReg.WriteMask & WRITEMASK_X)
-      flags |= A0_DEST_CHANNEL_X;
-   if (inst->DstReg.WriteMask & WRITEMASK_Y)
-      flags |= A0_DEST_CHANNEL_Y;
-   if (inst->DstReg.WriteMask & WRITEMASK_Z)
-      flags |= A0_DEST_CHANNEL_Z;
-   if (inst->DstReg.WriteMask & WRITEMASK_W)
-      flags |= A0_DEST_CHANNEL_W;
-
-   return flags;
-}
-
-static GLuint
-translate_tex_src_target(struct i915_fragment_program *p, GLubyte bit)
-{
-   switch (bit) {
-   case TEXTURE_1D_INDEX:
-      return D0_SAMPLE_TYPE_2D;
-   case TEXTURE_2D_INDEX:
-      return D0_SAMPLE_TYPE_2D;
-   case TEXTURE_RECT_INDEX:
-      return D0_SAMPLE_TYPE_2D;
-   case TEXTURE_3D_INDEX:
-      return D0_SAMPLE_TYPE_VOLUME;
-   case TEXTURE_CUBE_INDEX:
-      return D0_SAMPLE_TYPE_CUBE;
-   default:
-      i915_program_error(p, "TexSrcBit");
-      return 0;
-   }
-}
-
-#define EMIT_TEX( OP )						\
-do {								\
-   GLuint dim = translate_tex_src_target( p, inst->TexSrcTarget );	\
-   GLuint sampler = i915_emit_decl(p, REG_TYPE_S,		\
-				  inst->TexSrcUnit, dim);	\
-   GLuint coord = src_vector( p, &inst->SrcReg[0], program);	\
-   /* Texel lookup */						\
-								\
-   i915_emit_texld( p,						\
-	       get_result_vector( p, inst ),			\
-	       get_result_flags( inst ),			\
-	       sampler,						\
-	       coord,						\
-	       OP);						\
-} while (0)
-
-#define EMIT_ARITH( OP, N )						\
-do {									\
-   i915_emit_arith( p,							\
-	       OP,							\
-	       get_result_vector( p, inst ), 				\
-	       get_result_flags( inst ), 0,			\
-	       (N<1)?0:src_vector( p, &inst->SrcReg[0], program),	\
-	       (N<2)?0:src_vector( p, &inst->SrcReg[1], program),	\
-	       (N<3)?0:src_vector( p, &inst->SrcReg[2], program));	\
-} while (0)
-
-#define EMIT_1ARG_ARITH( OP ) EMIT_ARITH( OP, 1 )
-#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 )
-#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 )
-
-
-/* Possible concerns:
- *
- * SIN, COS -- could use another taylor step?
- * LIT      -- results seem a little different to sw mesa
- * LOG      -- different to mesa on negative numbers, but this is conformant.
- * 
- * Parse failures -- Mesa doesn't currently give a good indication
- * internally whether a particular program string parsed or not.  This
- * can lead to confusion -- hopefully we cope with it ok now.
- *
- */
-static void
-upload_program(struct i915_fragment_program *p)
-{
-   const struct gl_fragment_program *program =
-      p->ctx->FragmentProgram._Current;
-   const struct prog_instruction *inst = program->Base.Instructions;
-
-/*    _mesa_debug_fp_inst(program->Base.NumInstructions, inst); */
-
-   /* Is this a parse-failed program?  Ensure a valid program is
-    * loaded, as the flagging of an error isn't sufficient to stop
-    * this being uploaded to hardware.
-    */
-   if (inst[0].Opcode == OPCODE_END) {
-      GLuint tmp = i915_get_utemp(p);
-      i915_emit_arith(p,
-                      A0_MOV,
-                      UREG(REG_TYPE_OC, 0),
-                      A0_DEST_CHANNEL_ALL, 0,
-                      swizzle(tmp, ONE, ZERO, ONE, ONE), 0, 0);
-      return;
-   }
-
-   while (1) {
-      GLuint src0, src1, src2, flags;
-      GLuint tmp = 0;
-
-      switch (inst->Opcode) {
-      case OPCODE_ABS:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         i915_emit_arith(p,
-                         A0_MAX,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         src0, negate(src0, 1, 1, 1, 1), 0);
-         break;
-
-      case OPCODE_ADD:
-         EMIT_2ARG_ARITH(A0_ADD);
-         break;
-
-      case OPCODE_CMP:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-         src2 = src_vector(p, &inst->SrcReg[2], program);
-         i915_emit_arith(p, A0_CMP, get_result_vector(p, inst), get_result_flags(inst), 0, src0, src2, src1);   /* NOTE: order of src2, src1 */
-         break;
-
-      case OPCODE_COS:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         tmp = i915_get_utemp(p);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_X, 0,
-                         src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
-
-         i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
-
-         /* By choosing different taylor constants, could get rid of this mul:
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_X, 0,
-                         tmp, i915_emit_const1f(p, (M_PI)), 0);
-
-         /* 
-          * t0.xy = MUL x.xx11, x.x1111  ; x^2, x, 1, 1
-          * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, 1
-          * t0 = MUL t0.xxz1 t0.z111    ; x^6 x^4 x^2 1
-          * result = DP4 t0, cos_constants
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_XY, 0,
-                         swizzle(tmp, X, X, ONE, ONE),
-                         swizzle(tmp, X, ONE, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_XYZ, 0,
-                         swizzle(tmp, X, Y, X, ONE),
-                         swizzle(tmp, X, X, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_XYZ, 0,
-                         swizzle(tmp, X, X, Z, ONE),
-                         swizzle(tmp, Z, ONE, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_DP4,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(tmp, ONE, Z, Y, X),
-                         i915_emit_const4fv(p, cos_constants), 0);
-
-         break;
-
-      case OPCODE_DP3:
-         EMIT_2ARG_ARITH(A0_DP3);
-         break;
-
-      case OPCODE_DP4:
-         EMIT_2ARG_ARITH(A0_DP4);
-         break;
-
-      case OPCODE_DPH:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-
-         i915_emit_arith(p,
-                         A0_DP4,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, X, Y, Z, ONE), src1, 0);
-         break;
-
-      case OPCODE_DST:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-
-         /* result[0] = 1    * 1;
-          * result[1] = a[1] * b[1];
-          * result[2] = a[2] * 1;
-          * result[3] = 1    * b[3];
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, ONE, Y, Z, ONE),
-                         swizzle(src1, ONE, Y, ONE, W), 0);
-         break;
-
-      case OPCODE_EX2:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-
-         i915_emit_arith(p,
-                         A0_EXP,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, X, X, X, X), 0, 0);
-         break;
-
-      case OPCODE_FLR:
-         EMIT_1ARG_ARITH(A0_FLR);
-         break;
-
-      case OPCODE_FRC:
-         EMIT_1ARG_ARITH(A0_FRC);
-         break;
-
-      case OPCODE_KIL:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         tmp = i915_get_utemp(p);
-
-         i915_emit_texld(p, tmp, A0_DEST_CHANNEL_ALL,   /* use a dummy dest reg */
-                         0, src0, T0_TEXKILL);
-         break;
-
-      case OPCODE_LG2:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-
-         i915_emit_arith(p,
-                         A0_LOG,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, X, X, X, X), 0, 0);
-         break;
-
-      case OPCODE_LIT:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         tmp = i915_get_utemp(p);
-
-         /* tmp = max( a.xyzw, a.00zw )
-          * XXX: Clamp tmp.w to -128..128
-          * tmp.y = log(tmp.y)
-          * tmp.y = tmp.w * tmp.y
-          * tmp.y = exp(tmp.y)
-          * result = cmp (a.11-x1, a.1x01, a.1xy1 )
-          */
-         i915_emit_arith(p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
-                         src0, swizzle(src0, ZERO, ZERO, Z, W), 0);
-
-         i915_emit_arith(p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
-                         swizzle(tmp, Y, Y, Y, Y), 0, 0);
-
-         i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
-                         swizzle(tmp, ZERO, Y, ZERO, ZERO),
-                         swizzle(tmp, ZERO, W, ZERO, ZERO), 0);
-
-         i915_emit_arith(p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
-                         swizzle(tmp, Y, Y, Y, Y), 0, 0);
-
-         i915_emit_arith(p, A0_CMP,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         negate(swizzle(tmp, ONE, ONE, X, ONE), 0, 0, 1, 0),
-                         swizzle(tmp, ONE, X, ZERO, ONE),
-                         swizzle(tmp, ONE, X, Y, ONE));
-
-         break;
-
-      case OPCODE_LRP:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-         src2 = src_vector(p, &inst->SrcReg[2], program);
-         flags = get_result_flags(inst);
-         tmp = i915_get_utemp(p);
-
-         /* b*a + c*(1-a)
-          *
-          * b*a + c - ca 
-          *
-          * tmp = b*a + c, 
-          * result = (-c)*a + tmp 
-          */
-         i915_emit_arith(p, A0_MAD, tmp,
-                         flags & A0_DEST_CHANNEL_ALL, 0, src1, src0, src2);
-
-         i915_emit_arith(p, A0_MAD,
-                         get_result_vector(p, inst),
-                         flags, 0, negate(src2, 1, 1, 1, 1), src0, tmp);
-         break;
-
-      case OPCODE_MAD:
-         EMIT_3ARG_ARITH(A0_MAD);
-         break;
-
-      case OPCODE_MAX:
-         EMIT_2ARG_ARITH(A0_MAX);
-         break;
-
-      case OPCODE_MIN:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-         tmp = i915_get_utemp(p);
-         flags = get_result_flags(inst);
-
-         i915_emit_arith(p,
-                         A0_MAX,
-                         tmp, flags & A0_DEST_CHANNEL_ALL, 0,
-                         negate(src0, 1, 1, 1, 1),
-                         negate(src1, 1, 1, 1, 1), 0);
-
-         i915_emit_arith(p,
-                         A0_MOV,
-                         get_result_vector(p, inst),
-                         flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0);
-         break;
-
-      case OPCODE_MOV:
-         EMIT_1ARG_ARITH(A0_MOV);
-         break;
-
-      case OPCODE_MUL:
-         EMIT_2ARG_ARITH(A0_MUL);
-         break;
-
-      case OPCODE_POW:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-         tmp = i915_get_utemp(p);
-         flags = get_result_flags(inst);
-
-         /* XXX: masking on intermediate values, here and elsewhere.
-          */
-         i915_emit_arith(p,
-                         A0_LOG,
-                         tmp, A0_DEST_CHANNEL_X, 0,
-                         swizzle(src0, X, X, X, X), 0, 0);
-
-         i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_X, 0, tmp, src1, 0);
-
-
-         i915_emit_arith(p,
-                         A0_EXP,
-                         get_result_vector(p, inst),
-                         flags, 0, swizzle(tmp, X, X, X, X), 0, 0);
-
-         break;
-
-      case OPCODE_RCP:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-
-         i915_emit_arith(p,
-                         A0_RCP,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, X, X, X, X), 0, 0);
-         break;
-
-      case OPCODE_RSQ:
-
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-
-         i915_emit_arith(p,
-                         A0_RSQ,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, X, X, X, X), 0, 0);
-         break;
-
-      case OPCODE_SCS:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         tmp = i915_get_utemp(p);
-
-         /* 
-          * t0.xy = MUL x.xx11, x.x1111  ; x^2, x, 1, 1
-          * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
-          * t1 = MUL t0.xyyw t0.yz11    ; x^7 x^5 x^3 x
-          * scs.x = DP4 t1, sin_constants
-          * t1 = MUL t0.xxz1 t0.z111    ; x^6 x^4 x^2 1
-          * scs.y = DP4 t1, cos_constants
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_XY, 0,
-                         swizzle(src0, X, X, ONE, ONE),
-                         swizzle(src0, X, ONE, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_ALL, 0,
-                         swizzle(tmp, X, Y, X, Y),
-                         swizzle(tmp, X, X, ONE, ONE), 0);
-
-         if (inst->DstReg.WriteMask & WRITEMASK_Y) {
-            GLuint tmp1;
-
-            if (inst->DstReg.WriteMask & WRITEMASK_X)
-               tmp1 = i915_get_utemp(p);
-            else
-               tmp1 = tmp;
-
-            i915_emit_arith(p,
-                            A0_MUL,
-                            tmp1, A0_DEST_CHANNEL_ALL, 0,
-                            swizzle(tmp, X, Y, Y, W),
-                            swizzle(tmp, X, Z, ONE, ONE), 0);
-
-            i915_emit_arith(p,
-                            A0_DP4,
-                            get_result_vector(p, inst),
-                            A0_DEST_CHANNEL_Y, 0,
-                            swizzle(tmp1, W, Z, Y, X),
-                            i915_emit_const4fv(p, sin_constants), 0);
-         }
-
-         if (inst->DstReg.WriteMask & WRITEMASK_X) {
-            i915_emit_arith(p,
-                            A0_MUL,
-                            tmp, A0_DEST_CHANNEL_XYZ, 0,
-                            swizzle(tmp, X, X, Z, ONE),
-                            swizzle(tmp, Z, ONE, ONE, ONE), 0);
-
-            i915_emit_arith(p,
-                            A0_DP4,
-                            get_result_vector(p, inst),
-                            A0_DEST_CHANNEL_X, 0,
-                            swizzle(tmp, ONE, Z, Y, X),
-                            i915_emit_const4fv(p, cos_constants), 0);
-         }
-         break;
-
-      case OPCODE_SGE:
-         EMIT_2ARG_ARITH(A0_SGE);
-         break;
-
-      case OPCODE_SIN:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         tmp = i915_get_utemp(p);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_X, 0,
-                         src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
-
-         i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
-
-         /* By choosing different taylor constants, could get rid of this mul:
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_X, 0,
-                         tmp, i915_emit_const1f(p, (M_PI)), 0);
-
-         /* 
-          * t0.xy = MUL x.xx11, x.x1111  ; x^2, x, 1, 1
-          * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
-          * t1 = MUL t0.xyyw t0.yz11    ; x^7 x^5 x^3 x
-          * result = DP4 t1.wzyx, sin_constants
-          */
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_XY, 0,
-                         swizzle(tmp, X, X, ONE, ONE),
-                         swizzle(tmp, X, ONE, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_ALL, 0,
-                         swizzle(tmp, X, Y, X, Y),
-                         swizzle(tmp, X, X, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_ALL, 0,
-                         swizzle(tmp, X, Y, Y, W),
-                         swizzle(tmp, X, Z, ONE, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_DP4,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(tmp, W, Z, Y, X),
-                         i915_emit_const4fv(p, sin_constants), 0);
-         break;
-
-      case OPCODE_SLT:
-         EMIT_2ARG_ARITH(A0_SLT);
-         break;
-
-      case OPCODE_SUB:
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-
-         i915_emit_arith(p,
-                         A0_ADD,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         src0, negate(src1, 1, 1, 1, 1), 0);
-         break;
-
-      case OPCODE_SWZ:
-         EMIT_1ARG_ARITH(A0_MOV);       /* extended swizzle handled natively */
-         break;
-
-      case OPCODE_TEX:
-         EMIT_TEX(T0_TEXLD);
-         break;
-
-      case OPCODE_TXB:
-         EMIT_TEX(T0_TEXLDB);
-         break;
-
-      case OPCODE_TXP:
-         EMIT_TEX(T0_TEXLDP);
-         break;
-
-      case OPCODE_XPD:
-         /* Cross product:
-          *      result.x = src0.y * src1.z - src0.z * src1.y;
-          *      result.y = src0.z * src1.x - src0.x * src1.z;
-          *      result.z = src0.x * src1.y - src0.y * src1.x;
-          *      result.w = undef;
-          */
-         src0 = src_vector(p, &inst->SrcReg[0], program);
-         src1 = src_vector(p, &inst->SrcReg[1], program);
-         tmp = i915_get_utemp(p);
-
-         i915_emit_arith(p,
-                         A0_MUL,
-                         tmp, A0_DEST_CHANNEL_ALL, 0,
-                         swizzle(src0, Z, X, Y, ONE),
-                         swizzle(src1, Y, Z, X, ONE), 0);
-
-         i915_emit_arith(p,
-                         A0_MAD,
-                         get_result_vector(p, inst),
-                         get_result_flags(inst), 0,
-                         swizzle(src0, Y, Z, X, ONE),
-                         swizzle(src1, Z, X, Y, ONE),
-                         negate(tmp, 1, 1, 1, 0));
-         break;
-
-      case OPCODE_END:
-         return;
-
-      default:
-         i915_program_error(p, "bad opcode");
-         return;
-      }
-
-      inst++;
-      i915_release_utemps(p);
-   }
-}
-
-/* Rather than trying to intercept and jiggle depth writes during
- * emit, just move the value into its correct position at the end of
- * the program:
- */
-static void
-fixup_depth_write(struct i915_fragment_program *p)
-{
-   if (p->depth_written) {
-      GLuint depth = UREG(REG_TYPE_OD, 0);
-
-      i915_emit_arith(p,
-                      A0_MOV,
-                      depth, A0_DEST_CHANNEL_W, 0,
-                      swizzle(depth, X, Y, Z, Z), 0, 0);
-   }
-}
-
-
-static void
-check_wpos(struct i915_fragment_program *p)
-{
-   GLuint inputs = p->FragProg.Base.InputsRead;
-   GLint i;
-
-   p->wpos_tex = -1;
-
-   for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
-      if (inputs & FRAG_BIT_TEX(i))
-         continue;
-      else if (inputs & FRAG_BIT_WPOS) {
-         p->wpos_tex = i;
-         inputs &= ~FRAG_BIT_WPOS;
-      }
-   }
-
-   if (inputs & FRAG_BIT_WPOS) {
-      i915_program_error(p, "No free texcoord for wpos value");
-   }
-}
-
-
-static void
-translate_program(struct i915_fragment_program *p)
-{
-   struct i915_context *i915 = I915_CONTEXT(p->ctx);
-
-   i915_init_program(i915, p);
-   check_wpos(p);
-   upload_program(p);
-   fixup_depth_write(p);
-   i915_fini_program(p);
-
-   p->translated = 1;
-}
-
-
-static void
-track_params(struct i915_fragment_program *p)
-{
-   GLint i;
-
-   if (p->nr_params)
-      _mesa_load_state_parameters(p->ctx, p->FragProg.Base.Parameters);
-
-   for (i = 0; i < p->nr_params; i++) {
-      GLint reg = p->param[i].reg;
-      COPY_4V(p->constant[reg], p->param[i].values);
-   }
-
-   p->params_uptodate = 1;
-   p->on_hardware = 0;          /* overkill */
-}
-
-
-static void
-i915BindProgram(GLcontext * ctx, GLenum target, struct gl_program *prog)
-{
-   if (target == GL_FRAGMENT_PROGRAM_ARB) {
-      struct i915_context *i915 = I915_CONTEXT(ctx);
-      struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
-
-      if (i915->current_program == p)
-         return;
-
-      if (i915->current_program) {
-         i915->current_program->on_hardware = 0;
-         i915->current_program->params_uptodate = 0;
-      }
-
-      i915->current_program = p;
-
-      assert(p->on_hardware == 0);
-      assert(p->params_uptodate == 0);
-
-   }
-}
-
-static struct gl_program *
-i915NewProgram(GLcontext * ctx, GLenum target, GLuint id)
-{
-   switch (target) {
-   case GL_VERTEX_PROGRAM_ARB:
-      return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program),
-                                       target, id);
-
-   case GL_FRAGMENT_PROGRAM_ARB:{
-         struct i915_fragment_program *prog =
-            CALLOC_STRUCT(i915_fragment_program);
-         if (prog) {
-            i915_init_program(I915_CONTEXT(ctx), prog);
-
-            return _mesa_init_fragment_program(ctx, &prog->FragProg,
-                                               target, id);
-         }
-         else
-            return NULL;
-      }
-
-   default:
-      /* Just fallback:
-       */
-      return _mesa_new_program(ctx, target, id);
-   }
-}
-
-static void
-i915DeleteProgram(GLcontext * ctx, struct gl_program *prog)
-{
-   if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
-      struct i915_context *i915 = I915_CONTEXT(ctx);
-      struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
-
-      if (i915->current_program == p)
-         i915->current_program = 0;
-   }
-
-   _mesa_delete_program(ctx, prog);
-}
-
-
-static GLboolean
-i915IsProgramNative(GLcontext * ctx, GLenum target, struct gl_program *prog)
-{
-   if (target == GL_FRAGMENT_PROGRAM_ARB) {
-      struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
-
-      if (!p->translated)
-         translate_program(p);
-
-      return !p->error;
-   }
-   else
-      return GL_TRUE;
-}
-
-static void
-i915ProgramStringNotify(GLcontext * ctx,
-                        GLenum target, struct gl_program *prog)
-{
-   if (target == GL_FRAGMENT_PROGRAM_ARB) {
-      struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
-      p->translated = 0;
-
-      /* Hack: make sure fog is correctly enabled according to this
-       * fragment program's fog options.
-       */
-      if (p->FragProg.FogOption) {
-         /* add extra instructions to do fog, then turn off FogOption field */
-         _mesa_append_fog_code(ctx, &p->FragProg);
-         p->FragProg.FogOption = GL_NONE;
-      }
-   }
-
-   _tnl_program_string(ctx, target, prog);
-}
-
-
-void
-i915ValidateFragmentProgram(struct i915_context *i915)
-{
-   GLcontext *ctx = &i915->intel.ctx;
-   struct intel_context *intel = intel_context(ctx);
-   TNLcontext *tnl = TNL_CONTEXT(ctx);
-   struct vertex_buffer *VB = &tnl->vb;
-
-   struct i915_fragment_program *p =
-      (struct i915_fragment_program *) ctx->FragmentProgram._Current;
-
-   const GLuint inputsRead = p->FragProg.Base.InputsRead;
-   GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
-   GLuint s2 = S2_TEXCOORD_NONE;
-   int i, offset = 0;
-
-   if (i915->current_program != p) {
-      if (i915->current_program) {
-         i915->current_program->on_hardware = 0;
-         i915->current_program->params_uptodate = 0;
-      }
-
-      i915->current_program = p;
-   }
-
-
-   /* Important:
-    */
-   VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
-
-   if (!p->translated)
-      translate_program(p);
-
-   intel->vertex_attr_count = 0;
-   intel->wpos_offset = 0;
-   intel->wpos_size = 0;
-   intel->coloroffset = 0;
-   intel->specoffset = 0;
-
-   if (inputsRead & FRAG_BITS_TEX_ANY) {
-      EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
-   }
-   else {
-      EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12);
-   }
-
-   if (inputsRead & FRAG_BIT_COL0) {
-      intel->coloroffset = offset / 4;
-      EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4);
-   }
-
-   if ((inputsRead & (FRAG_BIT_COL1 | FRAG_BIT_FOGC)) ||
-       i915->vertex_fog != I915_FOG_NONE) {
-
-      if (inputsRead & FRAG_BIT_COL1) {
-         intel->specoffset = offset / 4;
-         EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3);
-      }
-      else
-         EMIT_PAD(3);
-
-      if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE)
-         EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1);
-      else
-         EMIT_PAD(1);
-   }
-
-   /* XXX this was disabled, but enabling this code helped fix the Glean
-    * tfragprog1 fog tests.
-    */
-#if 1
-   if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) {
-      EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4);
-   }
-#endif
-
-   for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
-      if (inputsRead & FRAG_BIT_TEX(i)) {
-         int sz = VB->TexCoordPtr[i]->size;
-
-         s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
-         s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
-
-         EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4);
-      }
-      else if (i == p->wpos_tex) {
-
-         /* If WPOS is required, duplicate the XYZ position data in an
-          * unused texture coordinate:
-          */
-         s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
-         s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
-
-         intel->wpos_offset = offset;
-         intel->wpos_size = 3 * sizeof(GLuint);
-
-         EMIT_PAD(intel->wpos_size);
-      }
-   }
-
-   if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
-       s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
-      int k;
-
-      I915_STATECHANGE(i915, I915_UPLOAD_CTX);
-
-      /* Must do this *after* statechange, so as not to affect
-       * buffered vertices reliant on the old state:
-       */
-      intel->vertex_size = _tnl_install_attrs(&intel->ctx,
-                                              intel->vertex_attrs,
-                                              intel->vertex_attr_count,
-                                              intel->ViewportMatrix.m, 0);
-
-      intel->vertex_size >>= 2;
-
-      i915->state.Ctx[I915_CTXREG_LIS2] = s2;
-      i915->state.Ctx[I915_CTXREG_LIS4] = s4;
-
-      k = intel->vtbl.check_vertex_size(intel, intel->vertex_size);
-      assert(k);
-   }
-
-   if (!p->params_uptodate)
-      track_params(p);
-
-   if (!p->on_hardware)
-      i915_upload_program(i915, p);
-}
-
-void
-i915InitFragProgFuncs(struct dd_function_table *functions)
-{
-   functions->BindProgram = i915BindProgram;
-   functions->NewProgram = i915NewProgram;
-   functions->DeleteProgram = i915DeleteProgram;
-   functions->IsProgramNative = i915IsProgramNative;
-   functions->ProgramStringNotify = i915ProgramStringNotify;
-}