diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 972a37e..0f660a7 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -29,6 +29,7 @@
 #include "util/u_string.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "util/u_math.h"
 #include "tgsi_dump.h"
 #include "tgsi_info.h"
 #include "tgsi_iterate.h"
@@ -43,6 +44,8 @@ struct dump_ctx
 {
    struct tgsi_iterate_context iter;
 
+   boolean dump_float_as_hex;
+
    uint instno;
    uint immno;
    int indent;
@@ -83,6 +86,7 @@ dump_enum(
 #define INSTID(I)       ctx->dump_printf( ctx, "% 3u", I )
 #define SID(I)          ctx->dump_printf( ctx, "%d", I )
 #define FLT(F)          ctx->dump_printf( ctx, "%10.4f", F )
+#define HFLT(F)         ctx->dump_printf( ctx, "0x%08x", fui((F)) )
 #define ENM(E,ENUMS)    dump_enum( ctx, E, ENUMS, sizeof( ENUMS ) / sizeof( *ENUMS ) )
 
 const char *
@@ -239,7 +243,10 @@ dump_imm_data(struct tgsi_iterate_context *iter,
    for (i = 0; i < num_tokens; i++) {
       switch (data_type) {
       case TGSI_IMM_FLOAT32:
-         FLT( data[i].Float );
+         if (ctx->dump_float_as_hex)
+            HFLT( data[i].Float );
+         else
+            FLT( data[i].Float );
          break;
       case TGSI_IMM_UINT32:
          UID(data[i].Uint);
@@ -662,6 +669,11 @@ tgsi_dump(
    ctx.dump_printf = dump_ctx_printf;
    ctx.indentation = 0;
 
+   if (flags & TGSI_DUMP_FLOAT_AS_HEX)
+      ctx.dump_float_as_hex = TRUE;
+   else
+      ctx.dump_float_as_hex = FALSE;
+
    tgsi_iterate_shader( tokens, &ctx.iter );
 }
 
@@ -723,6 +735,11 @@ tgsi_dump_str(
    ctx.ptr = str;
    ctx.left = (int)size;
 
+   if (flags & TGSI_DUMP_FLOAT_AS_HEX)
+      ctx.base.dump_float_as_hex = TRUE;
+   else
+      ctx.base.dump_float_as_hex = FALSE;
+
    tgsi_iterate_shader( tokens, &ctx.base.iter );
 }
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index f965b01..b5b7980 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -195,8 +195,15 @@ static boolean parse_float( const char **pcur, float *val )
    boolean integral_part = FALSE;
    boolean fractional_part = FALSE;
 
-   *val = (float) atof( cur );
+   if (*cur == '0' && *(cur + 1) == 'x') {
+      union fi fi;
+      fi.ui = strtoul(cur, NULL, 16);
+      *val = fi.f;
+      cur += 10;
+      goto out;
+   }
 
+   *val = (float) atof( cur );
    if (*cur == '-' || *cur == '+')
       cur++;
    if (is_digit( cur )) {
@@ -228,6 +235,8 @@ static boolean parse_float( const char **pcur, float *val )
       else
          return FALSE;
    }
+
+out:
    *pcur = cur;
    return TRUE;
 }