Remove wrongly repeated words in comments
[mesa.git] / src / mesa / state_tracker / st_mesa_to_tgsi.c
index fc77089e7333dea27bf762547830236c47fe344f..b9892577208ca9cbcc6a0bbdfa9d6e44f9b58c31 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007-2008 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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
+ * IN NO EVENT SHALL VMWARE 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 "util/u_debug.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "st_glsl_to_tgsi.h" /* for _mesa_sysval_to_semantic */
 
 
-#define PROGRAM_ANY_CONST ((1 << PROGRAM_LOCAL_PARAM) |  \
-                           (1 << PROGRAM_ENV_PARAM) |    \
-                           (1 << PROGRAM_STATE_VAR) |    \
-                           (1 << PROGRAM_NAMED_PARAM) |  \
+#define PROGRAM_ANY_CONST ((1 << PROGRAM_STATE_VAR) |    \
                            (1 << PROGRAM_CONSTANT) |     \
                            (1 << PROGRAM_UNIFORM))
 
@@ -74,12 +72,6 @@ struct st_translate {
    struct ureg_src samplers[PIPE_MAX_SAMPLERS];
    struct ureg_src systemValues[SYSTEM_VALUE_MAX];
 
-   /* Extra info for handling point size clamping in vertex shader */
-   struct ureg_dst pointSizeResult; /**< Actual point size output register */
-   struct ureg_src pointSizeConst;  /**< Point size range constant register */
-   GLint pointSizeOutIndex;         /**< Temp point size output register */
-   GLboolean prevInstWrotePointSize;
-
    const GLuint *inputMapping;
    const GLuint *outputMapping;
 
@@ -99,20 +91,12 @@ struct st_translate {
    unsigned insn_size;
    unsigned insn_count;
 
-   unsigned procType;  /**< TGSI_PROCESSOR_VERTEX/FRAGMENT */
+   unsigned procType;  /**< PIPE_SHADER_VERTEX/FRAGMENT */
 
    boolean error;
 };
 
 
-/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
-static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
-   TGSI_SEMANTIC_FACE,
-   TGSI_SEMANTIC_VERTEXID,
-   TGSI_SEMANTIC_INSTANCEID
-};
-
-
 /**
  * Make note of a branch to a label in the TGSI code.
  * After we've emitted all instructions, we'll go over the list
@@ -125,11 +109,8 @@ static unsigned *get_label( struct st_translate *t,
    unsigned i;
 
    if (t->labels_count + 1 >= t->labels_size) {
-      unsigned old_size = t->labels_size;
       t->labels_size = 1 << (util_logbase2(t->labels_size) + 1);
-      t->labels = REALLOC( t->labels, 
-                           old_size * sizeof t->labels[0], 
-                           t->labels_size * sizeof t->labels[0] );
+      t->labels = realloc(t->labels, t->labels_size * sizeof t->labels[0]);
       if (t->labels == NULL) {
          static unsigned dummy;
          t->error = TRUE;
@@ -153,11 +134,8 @@ static void set_insn_start( struct st_translate *t,
                             unsigned start )
 {
    if (t->insn_count + 1 >= t->insn_size) {
-      unsigned old_size = t->insn_size;
       t->insn_size = 1 << (util_logbase2(t->insn_size) + 1);
-      t->insn = REALLOC( t->insn, 
-                         old_size * sizeof t->insn[0], 
-                         t->insn_size * sizeof t->insn[0] );
+      t->insn = realloc(t->insn, t->insn_size * sizeof t->insn[0]);
       if (t->insn == NULL) {
          t->error = TRUE;
          return;
@@ -187,17 +165,14 @@ dst_register( struct st_translate *t,
       return t->temps[index];
 
    case PROGRAM_OUTPUT:
-      if (t->procType == TGSI_PROCESSOR_VERTEX && index == VERT_RESULT_PSIZ)
-         t->prevInstWrotePointSize = GL_TRUE;
-
-      if (t->procType == TGSI_PROCESSOR_VERTEX)
-         assert(index < VERT_RESULT_MAX);
-      else if (t->procType == TGSI_PROCESSOR_FRAGMENT)
+      if (t->procType == PIPE_SHADER_VERTEX)
+         assert(index < VARYING_SLOT_MAX);
+      else if (t->procType == PIPE_SHADER_FRAGMENT)
          assert(index < FRAG_RESULT_MAX);
       else
-         assert(index < GEOM_RESULT_MAX);
+         assert(index < VARYING_SLOT_MAX);
 
-      assert(t->outputMapping[index] < Elements(t->outputs));
+      assert(t->outputMapping[index] < ARRAY_SIZE(t->outputs));
 
       return t->outputs[t->outputMapping[index]];
 
@@ -225,14 +200,11 @@ src_register( struct st_translate *t,
 
    case PROGRAM_TEMPORARY:
       assert(index >= 0);
-      assert(index < Elements(t->temps));
+      assert(index < ARRAY_SIZE(t->temps));
       if (ureg_dst_is_undef(t->temps[index]))
          t->temps[index] = ureg_DECL_temporary( t->ureg );
       return ureg_src(t->temps[index]);
 
-   case PROGRAM_NAMED_PARAM:
-   case PROGRAM_ENV_PARAM:
-   case PROGRAM_LOCAL_PARAM:
    case PROGRAM_UNIFORM:
       assert(index >= 0);
       return t->constants[index];
@@ -244,18 +216,18 @@ src_register( struct st_translate *t,
          return t->constants[index];
 
    case PROGRAM_INPUT:
-      assert(t->inputMapping[index] < Elements(t->inputs));
+      assert(t->inputMapping[index] < ARRAY_SIZE(t->inputs));
       return t->inputs[t->inputMapping[index]];
 
    case PROGRAM_OUTPUT:
-      assert(t->outputMapping[index] < Elements(t->outputs));
+      assert(t->outputMapping[index] < ARRAY_SIZE(t->outputs));
       return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */
 
    case PROGRAM_ADDRESS:
       return ureg_src(t->address[index]);
 
    case PROGRAM_SYSTEM_VALUE:
-      assert(index < Elements(t->systemValues));
+      assert(index < ARRAY_SIZE(t->systemValues));
       return t->systemValues[index];
 
    default:
@@ -269,45 +241,81 @@ src_register( struct st_translate *t,
  * Map mesa texture target to TGSI texture target.
  */
 unsigned
-st_translate_texture_target( GLuint textarget,
-                          GLboolean shadow )
+st_translate_texture_target(GLuint textarget, GLboolean shadow)
 {
    if (shadow) {
-      switch( textarget ) {
-      case TEXTURE_1D_INDEX:   return TGSI_TEXTURE_SHADOW1D;
-      case TEXTURE_2D_INDEX:   return TGSI_TEXTURE_SHADOW2D;
-      case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_SHADOWRECT;
-      case TEXTURE_1D_ARRAY_INDEX: return TGSI_TEXTURE_SHADOW1D_ARRAY;
-      case TEXTURE_2D_ARRAY_INDEX: return TGSI_TEXTURE_SHADOW2D_ARRAY;
-      case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_SHADOWCUBE;
-      default: break;
+      switch (textarget) {
+      case TEXTURE_1D_INDEX:
+         return TGSI_TEXTURE_SHADOW1D;
+      case TEXTURE_2D_INDEX:
+         return TGSI_TEXTURE_SHADOW2D;
+      case TEXTURE_RECT_INDEX:
+         return TGSI_TEXTURE_SHADOWRECT;
+      case TEXTURE_1D_ARRAY_INDEX:
+         return TGSI_TEXTURE_SHADOW1D_ARRAY;
+      case TEXTURE_2D_ARRAY_INDEX:
+         return TGSI_TEXTURE_SHADOW2D_ARRAY;
+      case TEXTURE_CUBE_INDEX:
+         return TGSI_TEXTURE_SHADOWCUBE;
+      case TEXTURE_CUBE_ARRAY_INDEX:
+         return TGSI_TEXTURE_SHADOWCUBE_ARRAY;
+      default:
+         break;
       }
    }
 
-   switch( textarget ) {
-   case TEXTURE_1D_INDEX:   return TGSI_TEXTURE_1D;
-   case TEXTURE_2D_INDEX:   return TGSI_TEXTURE_2D;
-   case TEXTURE_3D_INDEX:   return TGSI_TEXTURE_3D;
-   case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE;
-   case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT;
-   case TEXTURE_1D_ARRAY_INDEX:   return TGSI_TEXTURE_1D_ARRAY;
-   case TEXTURE_2D_ARRAY_INDEX:   return TGSI_TEXTURE_2D_ARRAY;
-   case TEXTURE_EXTERNAL_INDEX:   return TGSI_TEXTURE_2D;
+   switch (textarget) {
+   case TEXTURE_2D_MULTISAMPLE_INDEX:
+      return TGSI_TEXTURE_2D_MSAA;
+   case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX:
+      return TGSI_TEXTURE_2D_ARRAY_MSAA;
+   case TEXTURE_BUFFER_INDEX:
+      return TGSI_TEXTURE_BUFFER;
+   case TEXTURE_1D_INDEX:
+      return TGSI_TEXTURE_1D;
+   case TEXTURE_2D_INDEX:
+      return TGSI_TEXTURE_2D;
+   case TEXTURE_3D_INDEX:
+      return TGSI_TEXTURE_3D;
+   case TEXTURE_CUBE_INDEX:
+      return TGSI_TEXTURE_CUBE;
+   case TEXTURE_CUBE_ARRAY_INDEX:
+      return TGSI_TEXTURE_CUBE_ARRAY;
+   case TEXTURE_RECT_INDEX:
+      return TGSI_TEXTURE_RECT;
+   case TEXTURE_1D_ARRAY_INDEX:
+      return TGSI_TEXTURE_1D_ARRAY;
+   case TEXTURE_2D_ARRAY_INDEX:
+      return TGSI_TEXTURE_2D_ARRAY;
+   case TEXTURE_EXTERNAL_INDEX:
+      return TGSI_TEXTURE_2D;
    default:
-      debug_assert( 0 );
+      debug_assert(!"unexpected texture target index");
       return TGSI_TEXTURE_1D;
    }
 }
 
 
+/**
+ * Translate a (1 << TEXTURE_x_INDEX) bit into a TGSI_TEXTURE_x enum.
+ */
+static unsigned
+translate_texture_index(GLbitfield texBit, bool shadow)
+{
+   int index = ffs(texBit);
+   assert(index > 0);
+   assert(index - 1 < NUM_TEXTURE_TARGETS);
+   return st_translate_texture_target(index - 1, shadow);
+}
+
+
 /**
  * Create a TGSI ureg_dst register from a Mesa dest register.
  */
 static struct ureg_dst
 translate_dst( struct st_translate *t,
                const struct prog_dst_register *DstReg,
-               boolean saturate,
-               boolean clamp_color)
+               boolean saturate)
 {
    struct ureg_dst dst = dst_register( t, 
                                        DstReg->File,
@@ -318,27 +326,6 @@ translate_dst( struct st_translate *t,
    
    if (saturate)
       dst = ureg_saturate( dst );
-   else if (clamp_color && DstReg->File == PROGRAM_OUTPUT) {
-      /* Clamp colors for ARB_color_buffer_float. */
-      switch (t->procType) {
-      case TGSI_PROCESSOR_VERTEX:
-         /* XXX if the geometry shader is present, this must be done there
-          * instead of here. */
-         if (DstReg->Index == VERT_RESULT_COL0 ||
-             DstReg->Index == VERT_RESULT_COL1 ||
-             DstReg->Index == VERT_RESULT_BFC0 ||
-             DstReg->Index == VERT_RESULT_BFC1) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-
-      case TGSI_PROCESSOR_FRAGMENT:
-         if (DstReg->Index >= FRAG_RESULT_COLOR) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-      }
-   }
 
    if (DstReg->RelAddr)
       dst = ureg_dst_indirect( dst, ureg_src(t->address[0]) );
@@ -356,15 +343,6 @@ translate_src( struct st_translate *t,
 {
    struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index );
 
-   if (t->procType == TGSI_PROCESSOR_GEOMETRY && SrcReg->HasIndex2) {
-      src = src_register( t, SrcReg->File, SrcReg->Index2 );
-      if (SrcReg->RelAddr2)
-         src = ureg_src_dimension_indirect( src, ureg_src(t->address[0]),
-                                            SrcReg->Index);
-      else
-         src = ureg_src_dimension( src, SrcReg->Index);
-   }
-
    src = ureg_swizzle( src,
                        GET_SWZ( SrcReg->Swizzle, 0 ) & 0x3,
                        GET_SWZ( SrcReg->Swizzle, 1 ) & 0x3,
@@ -374,9 +352,6 @@ translate_src( struct st_translate *t,
    if (SrcReg->Negate == NEGATE_XYZW)
       src = ureg_negate(src);
 
-   if (SrcReg->Abs) 
-      src = ureg_abs(src);
-
    if (SrcReg->RelAddr) {
       src = ureg_src_indirect( src, ureg_src(t->address[0]));
       if (SrcReg->File != PROGRAM_INPUT &&
@@ -520,24 +495,6 @@ static void emit_swz( struct st_translate *t,
 }
 
 
-/**
- * Negate the value of DDY to match GL semantics where (0,0) is the
- * lower-left corner of the window.
- * Note that the GL_ARB_fragment_coord_conventions extension will
- * effect this someday.
- */
-static void emit_ddy( struct st_translate *t,
-                      struct ureg_dst dst,
-                      const struct prog_src_register *SrcReg )
-{
-   struct ureg_program *ureg = t->ureg;
-   struct ureg_src src = translate_src( t, SrcReg );
-   src = ureg_negate( src );
-   ureg_DDY( ureg, dst, src );
-}
-
-
-
 static unsigned
 translate_opcode( unsigned op )
 {
@@ -552,8 +509,6 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_BGNLOOP;
    case OPCODE_BGNSUB:
       return TGSI_OPCODE_BGNSUB;
-   case OPCODE_BRA:
-      return TGSI_OPCODE_BRA;
    case OPCODE_BRK:
       return TGSI_OPCODE_BRK;
    case OPCODE_CAL:
@@ -570,8 +525,6 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_DDY;
    case OPCODE_DP2:
       return TGSI_OPCODE_DP2;
-   case OPCODE_DP2A:
-      return TGSI_OPCODE_DP2A;
    case OPCODE_DP3:
       return TGSI_OPCODE_DP3;
    case OPCODE_DP4:
@@ -582,10 +535,6 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_DST;
    case OPCODE_ELSE:
       return TGSI_OPCODE_ELSE;
-   case OPCODE_EMIT_VERTEX:
-      return TGSI_OPCODE_EMIT;
-   case OPCODE_END_PRIMITIVE:
-      return TGSI_OPCODE_ENDPRIM;
    case OPCODE_ENDIF:
       return TGSI_OPCODE_ENDIF;
    case OPCODE_ENDLOOP:
@@ -605,9 +554,7 @@ translate_opcode( unsigned op )
    case OPCODE_TRUNC:
       return TGSI_OPCODE_TRUNC;
    case OPCODE_KIL:
-      return TGSI_OPCODE_KIL;
-   case OPCODE_KIL_NV:
-      return TGSI_OPCODE_KILP;
+      return TGSI_OPCODE_KILL_IF;
    case OPCODE_LG2:
       return TGSI_OPCODE_LG2;
    case OPCODE_LOG:
@@ -628,34 +575,20 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_MUL;
    case OPCODE_NOP:
       return TGSI_OPCODE_NOP;
-   case OPCODE_NRM3:
-      return TGSI_OPCODE_NRM;
-   case OPCODE_NRM4:
-      return TGSI_OPCODE_NRM4;
    case OPCODE_POW:
       return TGSI_OPCODE_POW;
    case OPCODE_RCP:
       return TGSI_OPCODE_RCP;
    case OPCODE_RET:
       return TGSI_OPCODE_RET;
-   case OPCODE_RSQ:
-      return TGSI_OPCODE_RSQ;
    case OPCODE_SCS:
       return TGSI_OPCODE_SCS;
-   case OPCODE_SEQ:
-      return TGSI_OPCODE_SEQ;
    case OPCODE_SGE:
       return TGSI_OPCODE_SGE;
-   case OPCODE_SGT:
-      return TGSI_OPCODE_SGT;
    case OPCODE_SIN:
       return TGSI_OPCODE_SIN;
-   case OPCODE_SLE:
-      return TGSI_OPCODE_SLE;
    case OPCODE_SLT:
       return TGSI_OPCODE_SLT;
-   case OPCODE_SNE:
-      return TGSI_OPCODE_SNE;
    case OPCODE_SSG:
       return TGSI_OPCODE_SSG;
    case OPCODE_SUB:
@@ -683,13 +616,13 @@ translate_opcode( unsigned op )
 
 static void
 compile_instruction(
+   struct gl_context *ctx,
    struct st_translate *t,
-   const struct prog_instruction *inst,
-   boolean clamp_dst_color_output)
+   const struct prog_instruction *inst)
 {
    struct ureg_program *ureg = t->ureg;
    GLuint i;
-   struct ureg_dst dst[1];
+   struct ureg_dst dst[1] = { { 0 } };
    struct ureg_src src[4];
    unsigned num_dst;
    unsigned num_src;
@@ -700,8 +633,7 @@ compile_instruction(
    if (num_dst) 
       dst[0] = translate_dst( t, 
                               &inst->DstReg,
-                              inst->SaturateMode,
-                              clamp_dst_color_output);
+                              inst->Saturate);
 
    for (i = 0; i < num_src; i++) 
       src[i] = translate_src( t, &inst->SrcReg[i] );
@@ -715,7 +647,6 @@ compile_instruction(
    case OPCODE_CAL:
    case OPCODE_ELSE:
    case OPCODE_ENDLOOP:
-   case OPCODE_IF:
       debug_assert(num_dst == 0);
       ureg_label_insn( ureg,
                        translate_opcode( inst->Opcode ),
@@ -723,6 +654,14 @@ compile_instruction(
                        get_label( t, inst->BranchTarget ));
       return;
 
+   case OPCODE_IF:
+      debug_assert(num_dst == 0);
+      ureg_label_insn( ureg,
+                       ctx->Const.NativeIntegers ? TGSI_OPCODE_UIF : TGSI_OPCODE_IF,
+                       src, num_src,
+                       get_label( t, inst->BranchTarget ));
+      return;
+
    case OPCODE_TEX:
    case OPCODE_TXB:
    case OPCODE_TXD:
@@ -766,9 +705,9 @@ compile_instruction(
        */
       ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) );
       break;
-                
-   case OPCODE_DDY:
-      emit_ddy( t, dst[0], &inst->SrcReg[0] );
+
+   case OPCODE_RSQ:
+      ureg_RSQ( ureg, dst[0], ureg_abs(src[0]) );
       break;
 
    default:
@@ -787,10 +726,11 @@ compile_instruction(
  * a FBO is bound (STATE_FB_WPOS_Y_TRANSFORM).
  */
 static void
-emit_wpos_adjustment( struct st_translate *t,
-                      const struct gl_program *program,
-                      boolean invert,
-                      GLfloat adjX, GLfloat adjY[2])
+emit_wpos_adjustment(struct gl_context *ctx,
+                     struct st_translate *t,
+                     const struct gl_program *program,
+                     boolean invert,
+                     GLfloat adjX, GLfloat adjY[2])
 {
    struct ureg_program *ureg = t->ureg;
 
@@ -810,7 +750,11 @@ emit_wpos_adjustment( struct st_translate *t,
 
    struct ureg_src wpostrans = ureg_DECL_constant( ureg, wposTransConst );
    struct ureg_dst wpos_temp = ureg_DECL_temporary( ureg );
-   struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]];
+   struct ureg_src *wpos =
+      ctx->Const.GLSLFragCoordIsSysVal ?
+         &t->systemValues[SYSTEM_VALUE_FRAG_COORD] :
+         &t->inputs[t->inputMapping[VARYING_SLOT_POS]];
+   struct ureg_src wpos_input = *wpos;
 
    /* First, apply the coordinate shift: */
    if (adjX || adjY[0] || adjY[1]) {
@@ -861,12 +805,12 @@ emit_wpos_adjustment( struct st_translate *t,
 
    /* Use wpos_temp as position input from here on:
     */
-   t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
+   *wpos = ureg_src(wpos_temp);
 }
 
 
 /**
- * Emit fragment position/ooordinate code.
+ * Emit fragment position/coordinate code.
  */
 static void
 emit_wpos(struct st_context *st,
@@ -886,7 +830,7 @@ emit_wpos(struct st_context *st,
     *
     * The bias of the y-coordinate depends on whether y-inversion takes place
     * (adjY[1]) or not (adjY[0]), which is in turn dependent on whether we are
-    * drawing to an FBO (causes additional inversion), and whether the the pipe
+    * drawing to an FBO (causes additional inversion), and whether the pipe
     * driver origin and the requested origin differ (the latter condition is
     * stored in the 'invert' variable).
     *
@@ -915,7 +859,8 @@ emit_wpos(struct st_context *st,
       }
       else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
          /* the driver supports lower-left origin, need to invert Y */
-         ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+         ureg_property(ureg, TGSI_PROPERTY_FS_COORD_ORIGIN,
+                       TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
          invert = TRUE;
       }
       else
@@ -925,7 +870,8 @@ emit_wpos(struct st_context *st,
       /* Fragment shader wants origin in lower-left */
       if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
          /* the driver supports lower-left origin */
-         ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+         ureg_property(ureg, TGSI_PROPERTY_FS_COORD_ORIGIN,
+                       TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
       else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT))
          /* the driver supports upper-left origin, need to invert Y */
          invert = TRUE;
@@ -938,7 +884,8 @@ emit_wpos(struct st_context *st,
       if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
          /* the driver supports pixel center integer */
          adjY[1] = 1.0f;
-         ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+         ureg_property(ureg, TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
+                       TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
       }
       else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
          /* the driver supports pixel center half integer, need to bias X,Y */
@@ -957,7 +904,8 @@ emit_wpos(struct st_context *st,
       else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
          /* the driver supports pixel center integer, need to bias X,Y */
          adjX = adjY[0] = adjY[1] = 0.5f;
-         ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+         ureg_property(ureg, TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
+                       TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
       }
       else
          assert(0);
@@ -965,44 +913,7 @@ emit_wpos(struct st_context *st,
 
    /* we invert after adjustment so that we avoid the MOV to temporary,
     * and reuse the adjustment ADD instead */
-   emit_wpos_adjustment(t, program, invert, adjX, adjY);
-}
-
-
-/**
- * OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back.
- * TGSI uses +1 for front, -1 for back.
- * This function converts the TGSI value to the GL value.  Simply clamping/
- * saturating the value to [0,1] does the job.
- */
-static void
-emit_face_var( struct st_translate *t,
-               const struct gl_program *program )
-{
-   struct ureg_program *ureg = t->ureg;
-   struct ureg_dst face_temp = ureg_DECL_temporary( ureg );
-   struct ureg_src face_input = t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]];
-
-   /* MOV_SAT face_temp, input[face]
-    */
-   face_temp = ureg_saturate( face_temp );
-   ureg_MOV( ureg, face_temp, face_input );
-
-   /* Use face_temp as face input from here on:
-    */
-   t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]] = ureg_src(face_temp);
-}
-
-
-static void
-emit_edgeflags( struct st_translate *t,
-                 const struct gl_program *program )
-{
-   struct ureg_program *ureg = t->ureg;
-   struct ureg_dst edge_dst = t->outputs[t->outputMapping[VERT_RESULT_EDGE]];
-   struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]];
-
-   ureg_MOV( ureg, edge_dst, edge_src );
+   emit_wpos_adjustment(st->ctx, t, program, invert, adjX, adjY);
 }
 
 
@@ -1039,16 +950,14 @@ st_translate_mesa_program(
    GLuint numOutputs,
    const GLuint outputMapping[],
    const ubyte outputSemanticName[],
-   const ubyte outputSemanticIndex[],
-   boolean passthrough_edgeflags,
-   boolean clamp_color)
+   const ubyte outputSemanticIndex[])
 {
    struct st_translate translate, *t;
    unsigned i;
    enum pipe_error ret = PIPE_OK;
 
-   assert(numInputs <= Elements(t->inputs));
-   assert(numOutputs <= Elements(t->outputs));
+   assert(numInputs <= ARRAY_SIZE(t->inputs));
+   assert(numOutputs <= ARRAY_SIZE(t->outputs));
 
    t = &translate;
    memset(t, 0, sizeof *t);
@@ -1057,42 +966,27 @@ st_translate_mesa_program(
    t->inputMapping = inputMapping;
    t->outputMapping = outputMapping;
    t->ureg = ureg;
-   t->pointSizeOutIndex = -1;
-   t->prevInstWrotePointSize = GL_FALSE;
 
    /*_mesa_print_program(program);*/
 
    /*
     * Declare input attributes.
     */
-   if (procType == TGSI_PROCESSOR_FRAGMENT) {
+   if (procType == PIPE_SHADER_FRAGMENT) {
       for (i = 0; i < numInputs; i++) {
-         if (program->InputFlags[0] & PROG_PARAM_BIT_CYL_WRAP) {
-            t->inputs[i] = ureg_DECL_fs_input_cyl(ureg,
-                                                  inputSemanticName[i],
-                                                  inputSemanticIndex[i],
-                                                  interpMode[i],
-                                                  TGSI_CYLINDRICAL_WRAP_X);
-         }
-         else {
-            t->inputs[i] = ureg_DECL_fs_input(ureg,
-                                              inputSemanticName[i],
-                                              inputSemanticIndex[i],
-                                              interpMode[i]);
-         }
+         t->inputs[i] = ureg_DECL_fs_input(ureg,
+                                           inputSemanticName[i],
+                                           inputSemanticIndex[i],
+                                           interpMode[i]);
       }
 
-      if (program->InputsRead & FRAG_BIT_WPOS) {
+      if (program->InputsRead & VARYING_BIT_POS) {
          /* Must do this after setting up t->inputs, and before
           * emitting constant references, below:
           */
          emit_wpos(st_context(ctx), t, program, ureg);
       }
 
-      if (program->InputsRead & FRAG_BIT_FACE) {
-         emit_face_var( t, program );
-      }
-
       /*
        * Declare output attributes.
        */
@@ -1124,12 +1018,11 @@ st_translate_mesa_program(
          }
       }
    }
-   else if (procType == TGSI_PROCESSOR_GEOMETRY) {
+   else if (procType == PIPE_SHADER_GEOMETRY) {
       for (i = 0; i < numInputs; i++) {
-         t->inputs[i] = ureg_DECL_gs_input(ureg,
-                                           i,
-                                           inputSemanticName[i],
-                                           inputSemanticIndex[i]);
+         t->inputs[i] = ureg_DECL_input(ureg,
+                                        inputSemanticName[i],
+                                        inputSemanticIndex[i], 0, 1);
       }
 
       for (i = 0; i < numOutputs; i++) {
@@ -1139,7 +1032,7 @@ st_translate_mesa_program(
       }
    }
    else {
-      assert(procType == TGSI_PROCESSOR_VERTEX);
+      assert(procType == PIPE_SHADER_VERTEX);
 
       for (i = 0; i < numInputs; i++) {
          t->inputs[i] = ureg_DECL_vs_input(ureg, i);
@@ -1149,28 +1042,14 @@ st_translate_mesa_program(
          t->outputs[i] = ureg_DECL_output( ureg,
                                            outputSemanticName[i],
                                            outputSemanticIndex[i] );
-         if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && program->Id) {
-            /* Writing to the point size result register requires special
-             * handling to implement clamping.
-             */
-            static const gl_state_index pointSizeClampState[STATE_LENGTH]
-               = { STATE_INTERNAL, STATE_POINT_SIZE_IMPL_CLAMP, 0, 0, 0 };
-               /* XXX: note we are modifying the incoming shader here!  Need to
-               * do this before emitting the constant decls below, or this
-               * will be missed:
-               */
-            unsigned pointSizeClampConst =
-               _mesa_add_state_reference(program->Parameters,
-                                         pointSizeClampState);
-            struct ureg_dst psizregtemp = ureg_DECL_temporary( ureg );
-            t->pointSizeConst = ureg_DECL_constant( ureg, pointSizeClampConst );
-            t->pointSizeResult = t->outputs[i];
-            t->pointSizeOutIndex = i;
-            t->outputs[i] = psizregtemp;
-         }
+         if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
+            /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
+            ureg_MOV(ureg,
+                     ureg_writemask(t->outputs[i], TGSI_WRITEMASK_YZW),
+                     ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
+            t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
+        }
       }
-      if (passthrough_edgeflags)
-         emit_edgeflags( t, program );
    }
 
    /* Declare address register.
@@ -1184,12 +1063,38 @@ st_translate_mesa_program(
     */
    {
       GLbitfield sysInputs = program->SystemValuesRead;
-      unsigned numSys = 0;
+
       for (i = 0; sysInputs; i++) {
          if (sysInputs & (1 << i)) {
-            unsigned semName = mesa_sysval_to_semantic[i];
-            t->systemValues[i] = ureg_DECL_system_value(ureg, numSys, semName, 0);
-            numSys++;
+            unsigned semName = _mesa_sysval_to_semantic(i);
+
+            t->systemValues[i] = ureg_DECL_system_value(ureg, semName, 0);
+
+            if (semName == TGSI_SEMANTIC_INSTANCEID ||
+                semName == TGSI_SEMANTIC_VERTEXID) {
+               /* From Gallium perspective, these system values are always
+                * integer, and require native integer support.  However, if
+                * native integer is supported on the vertex stage but not the
+                * pixel stage (e.g, i915g + draw), Mesa will generate IR that
+                * assumes these system values are floats. To resolve the
+                * inconsistency, we insert a U2F.
+                */
+               struct st_context *st = st_context(ctx);
+               struct pipe_screen *pscreen = st->pipe->screen;
+               assert(procType == PIPE_SHADER_VERTEX);
+               assert(pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_INTEGERS));
+               (void) pscreen;  /* silence non-debug build warnings */
+               if (!ctx->Const.NativeIntegers) {
+                  struct ureg_dst temp = ureg_DECL_local_temporary(t->ureg);
+                  ureg_U2F( t->ureg, ureg_writemask(temp, TGSI_WRITEMASK_X), t->systemValues[i]);
+                  t->systemValues[i] = ureg_scalar(ureg_src(temp), 0);
+               }
+            }
+
+            if (procType == PIPE_SHADER_FRAGMENT &&
+                semName == TGSI_SEMANTIC_POSITION)
+               emit_wpos(st_context(ctx), t, program, ureg);
+
             sysInputs &= ~(1 << i);
          }
       }
@@ -1209,7 +1114,7 @@ st_translate_mesa_program(
     * for these, so we put all the translated regs in t->constants.
     */
    if (program->Parameters) {
-      t->constants = CALLOC( program->Parameters->NumParameters,
+      t->constants = calloc( program->Parameters->NumParameters,
                              sizeof t->constants[0] );
       if (t->constants == NULL) {
          ret = PIPE_ERROR_OUT_OF_MEMORY;
@@ -1218,10 +1123,7 @@ st_translate_mesa_program(
 
       for (i = 0; i < program->Parameters->NumParameters; i++) {
          switch (program->Parameters->Parameters[i].Type) {
-         case PROGRAM_ENV_PARAM:
-         case PROGRAM_LOCAL_PARAM:
          case PROGRAM_STATE_VAR:
-         case PROGRAM_NAMED_PARAM:
          case PROGRAM_UNIFORM:
             t->constants[i] = ureg_DECL_constant( ureg, i );
             break;
@@ -1248,9 +1150,18 @@ st_translate_mesa_program(
    }
 
    /* texture samplers */
-   for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
-      if (program->SamplersUsed & (1 << i)) {
+   for (i = 0; i < ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; i++) {
+      if (program->SamplersUsed & (1u << i)) {
+         unsigned target =
+            translate_texture_index(program->TexturesUsed[i],
+                                    !!(program->ShadowSamplers & (1 << i)));
          t->samplers[i] = ureg_DECL_sampler( ureg, i );
+         ureg_DECL_sampler_view(ureg, i, target,
+                                TGSI_RETURN_TYPE_FLOAT,
+                                TGSI_RETURN_TYPE_FLOAT,
+                                TGSI_RETURN_TYPE_FLOAT,
+                                TGSI_RETURN_TYPE_FLOAT);
+
       }
    }
 
@@ -1258,26 +1169,7 @@ st_translate_mesa_program(
     */
    for (i = 0; i < program->NumInstructions; i++) {
       set_insn_start( t, ureg_get_instruction_number( ureg ));
-      compile_instruction( t, &program->Instructions[i], clamp_color );
-
-      if (t->prevInstWrotePointSize && program->Id) {
-         /* The previous instruction wrote to the (fake) vertex point size
-          * result register.  Now we need to clamp that value to the min/max
-          * point size range, putting the result into the real point size
-          * register.
-          * Note that we can't do this easily at the end of program due to
-          * possible early return.
-          */
-         set_insn_start( t, ureg_get_instruction_number( ureg ));
-         ureg_MAX( t->ureg,
-                   ureg_writemask(t->outputs[t->pointSizeOutIndex], WRITEMASK_X),
-                   ureg_src(t->outputs[t->pointSizeOutIndex]),
-                   ureg_swizzle(t->pointSizeConst, 1,1,1,1));
-         ureg_MIN( t->ureg, ureg_writemask(t->pointSizeResult, WRITEMASK_X),
-                   ureg_src(t->outputs[t->pointSizeOutIndex]),
-                   ureg_swizzle(t->pointSizeConst, 2,2,2,2));
-      }
-      t->prevInstWrotePointSize = GL_FALSE;
+      compile_instruction(ctx, t, &program->Instructions[i]);
    }
 
    /* Fix up all emitted labels:
@@ -1289,24 +1181,13 @@ st_translate_mesa_program(
    }
 
 out:
-   FREE(t->insn);
-   FREE(t->labels);
-   FREE(t->constants);
+   free(t->insn);
+   free(t->labels);
+   free(t->constants);
 
    if (t->error) {
-      debug_printf("%s: translate error flag set\n", __FUNCTION__);
+      debug_printf("%s: translate error flag set\n", __func__);
    }
 
    return ret;
 }
-
-
-/**
- * Tokens cannot be free with free otherwise the builtin gallium
- * malloc debugging will get confused.
- */
-void
-st_free_tokens(const struct tgsi_token *tokens)
-{
-   FREE((void *)tokens);
-}