gallium/tgsi: add support for 64-bit integer immediates.

This adds support to TGSI for 64-bit integer immediates.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/gallium/auxiliary/tgsi/tgsi_dump.c

@@ -254,6 +254,20 @@ dump_imm_data(struct tgsi_iterate_context *iter,
          i++;
          break;
       }
+      case TGSI_IMM_INT64: {
+         union di d;
+         d.i = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
+         UID( d.i );
+         i++;
+         break;
+      }
+      case TGSI_IMM_UINT64: {
+         union di d;
+         d.ui = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
+         UID( d.ui );
+         i++;
+         break;
+      }
       case TGSI_IMM_FLOAT32:
          if (ctx->dump_float_as_hex)
             HFLT( data[i].Float );

src/gallium/auxiliary/tgsi/tgsi_exec.c

@@ -77,6 +77,8 @@
 union tgsi_double_channel {
    double d[TGSI_QUAD_SIZE];
    unsigned u[TGSI_QUAD_SIZE][2];
+   uint64_t u64[TGSI_QUAD_SIZE];
+   int64_t i64[TGSI_QUAD_SIZE];
 };
 
 struct tgsi_double_vector {

src/gallium/auxiliary/tgsi/tgsi_parse.c

@@ -155,12 +155,14 @@ tgsi_parse_token(
          break;
 
       case TGSI_IMM_UINT32:
+      case TGSI_IMM_UINT64:
          for (i = 0; i < imm_count; i++) {
             next_token(ctx, &imm->u[i].Uint);
          }
          break;
 
       case TGSI_IMM_INT32:
+      case TGSI_IMM_INT64:
          for (i = 0; i < imm_count; i++) {
             next_token(ctx, &imm->u[i].Int);
          }

src/gallium/auxiliary/tgsi/tgsi_text.c

@@ -295,6 +295,42 @@ static boolean parse_double( const char **pcur, uint32_t *val0, uint32_t *val1)
    return TRUE;
 }
 
+static boolean parse_int64( const char **pcur, uint32_t *val0, uint32_t *val1)
+{
+   const char *cur = *pcur;
+   union {
+      int64_t i64val;
+      uint32_t uval[2];
+   } v;
+
+   v.i64val = strtoll(cur, (char**)pcur, 0);
+   if (*pcur == cur)
+      return FALSE;
+
+   *val0 = v.uval[0];
+   *val1 = v.uval[1];
+
+   return TRUE;
+}
+
+static boolean parse_uint64( const char **pcur, uint32_t *val0, uint32_t *val1)
+{
+   const char *cur = *pcur;
+   union {
+      uint64_t u64val;
+      uint32_t uval[2];
+   } v;
+
+   v.u64val = strtoull(cur, (char**)pcur, 0);
+   if (*pcur == cur)
+      return FALSE;
+
+   *val0 = v.uval[0];
+   *val1 = v.uval[1];
+
+   return TRUE;
+}
+
 struct translate_ctx
 {
    const char *text;
@@ -1228,6 +1264,14 @@ static boolean parse_immediate_data(struct translate_ctx *ctx, unsigned type,
          ret = parse_double(&ctx->cur, &values[i].Uint, &values[i+1].Uint);
          i++;
          break;
+      case TGSI_IMM_INT64:
+         ret = parse_int64(&ctx->cur, &values[i].Uint, &values[i+1].Uint);
+         i++;
+         break;
+      case TGSI_IMM_UINT64:
+         ret = parse_uint64(&ctx->cur, &values[i].Uint, &values[i+1].Uint);
+         i++;
+         break;
       case TGSI_IMM_FLOAT32:
          ret = parse_float(&ctx->cur, &values[i].Float);
          break;

src/gallium/auxiliary/tgsi/tgsi_ureg.c

@@ -792,7 +792,9 @@ match_or_expand_immediate( const unsigned *v,
    unsigned nr2 = *pnr2;
    unsigned i, j;
 
-   if (type == TGSI_IMM_FLOAT64)
+   if (type == TGSI_IMM_FLOAT64 ||
+       type == TGSI_IMM_UINT64 ||
+       type == TGSI_IMM_INT64)
       return match_or_expand_immediate64(v, type, nr, v2, pnr2, swizzle);
 
    *swizzle = 0;
@@ -871,7 +873,9 @@ out:
    /* Make sure that all referenced elements are from this immediate.
     * Has the effect of making size-one immediates into scalars.
     */
-   if (type == TGSI_IMM_FLOAT64) {
+   if (type == TGSI_IMM_FLOAT64 ||
+       type == TGSI_IMM_UINT64 ||
+       type == TGSI_IMM_INT64) {
       for (j = nr; j < 4; j+=2) {
          swizzle |= (swizzle & 0xf) << (j * 2);
       }
@@ -971,6 +975,43 @@ ureg_DECL_immediate_int( struct ureg_program *ureg,
    return decl_immediate(ureg, (const unsigned *)v, nr, TGSI_IMM_INT32);
 }
 
+struct ureg_src
+ureg_DECL_immediate_uint64( struct ureg_program *ureg,
+                            const uint64_t *v,
+                            unsigned nr )
+{
+   union {
+      unsigned u[4];
+      uint64_t u64[2];
+   } fu;
+   unsigned int i;
+
+   assert((nr / 2) < 3);
+   for (i = 0; i < nr / 2; i++) {
+      fu.u64[i] = v[i];
+   }
+
+   return decl_immediate(ureg, fu.u, nr, TGSI_IMM_UINT64);
+}
+
+struct ureg_src
+ureg_DECL_immediate_int64( struct ureg_program *ureg,
+                           const int64_t *v,
+                           unsigned nr )
+{
+   union {
+      unsigned u[4];
+      int64_t i64[2];
+   } fu;
+   unsigned int i;
+
+   assert((nr / 2) < 3);
+   for (i = 0; i < nr / 2; i++) {
+      fu.i64[i] = v[i];
+   }
+
+   return decl_immediate(ureg, fu.u, nr, TGSI_IMM_INT64);
+}
 
 void
 ureg_emit_src( struct ureg_program *ureg,

src/gallium/auxiliary/tgsi/tgsi_ureg.h

@@ -271,6 +271,16 @@ ureg_DECL_immediate_int( struct ureg_program *,
                          const int *v,
                          unsigned nr );
 
+struct ureg_src
+ureg_DECL_immediate_uint64( struct ureg_program *,
+                            const uint64_t *v,
+                            unsigned nr );
+
+struct ureg_src
+ureg_DECL_immediate_int64( struct ureg_program *,
+                           const int64_t *v,
+                           unsigned nr );
+
 void
 ureg_DECL_constant2D(struct ureg_program *ureg,
                      unsigned first,

src/gallium/include/pipe/p_shader_tokens.h

@@ -245,6 +245,8 @@ enum tgsi_imm_type {
    TGSI_IMM_UINT32,
    TGSI_IMM_INT32,
    TGSI_IMM_FLOAT64,
+   TGSI_IMM_UINT64,
+   TGSI_IMM_INT64,
 };
 
 struct tgsi_immediate