tgsi: use enum for tgsi-file type

Reviewed-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24002>

src/gallium/auxiliary/tgsi/tgsi_build.c

@@ -119,7 +119,7 @@ tgsi_default_declaration( void )
 
 static struct tgsi_declaration
 tgsi_build_declaration(
-   unsigned file,
+   enum tgsi_file_type file,
    unsigned usage_mask,
    unsigned interpolate,
    unsigned dimension,
@@ -809,7 +809,9 @@ tgsi_default_texture_offset( void )
 
 static struct tgsi_texture_offset
 tgsi_build_texture_offset(
-   int index, int file, int swizzle_x, int swizzle_y, int swizzle_z,
+   int index,
+   enum tgsi_file_type file,
+   int swizzle_x, int swizzle_y, int swizzle_z,
    struct tgsi_instruction *instruction,
    struct tgsi_header *header )
 {
@@ -848,7 +850,7 @@ tgsi_default_src_register( void )
 
 static struct tgsi_src_register
 tgsi_build_src_register(
-   unsigned file,
+   enum tgsi_file_type file,
    unsigned swizzle_x,
    unsigned swizzle_y,
    unsigned swizzle_z,
@@ -902,7 +904,7 @@ tgsi_default_ind_register( void )
 
 static struct tgsi_ind_register
 tgsi_build_ind_register(
-   unsigned file,
+   enum tgsi_file_type file,
    unsigned swizzle,
    int index,
    unsigned arrayid,
@@ -987,7 +989,7 @@ tgsi_default_dst_register( void )
 
 static struct tgsi_dst_register
 tgsi_build_dst_register(
-   unsigned file,
+   enum tgsi_file_type file,
    unsigned mask,
    unsigned indirect,
    unsigned dimension,

src/gallium/auxiliary/tgsi/tgsi_dynamic_indexing.c

@@ -114,7 +114,8 @@ remove_dynamic_indexes(struct tgsi_transform_context *ctx,
    int imm_index = dc->orig_num_imm;
    struct tgsi_full_instruction inst;
    unsigned INVALID_INDEX = 99999;
-   unsigned file = TGSI_FILE_NULL, index = INVALID_INDEX;
+   enum tgsi_file_type file = TGSI_FILE_NULL;
+   unsigned index = INVALID_INDEX;
    unsigned imm_swz_index = INVALID_INDEX;
 
    /* calculate dynamic array index store it in tmp_arrayIdx.x */

src/gallium/auxiliary/tgsi/tgsi_sanity.c

@@ -75,7 +75,7 @@ scan_register_key(const scan_register *reg)
 
 static void
 fill_scan_register1d(scan_register *reg,
-                     uint file, uint index)
+                     enum tgsi_file_type file, uint index)
 {
    reg->file = file;
    reg->dimensions = 1;
@@ -85,7 +85,7 @@ fill_scan_register1d(scan_register *reg,
 
 static void
 fill_scan_register2d(scan_register *reg,
-                     uint file, uint index1, uint index2)
+                     enum tgsi_file_type file, uint index1, uint index2)
 {
    reg->file = file;
    reg->dimensions = 2;
@@ -188,7 +188,7 @@ report_warning(
 static bool
 check_file_name(
    struct sanity_check_ctx *ctx,
-   uint file )
+   enum tgsi_file_type file )
 {
    if (file <= TGSI_FILE_NULL || file >= TGSI_FILE_COUNT) {
       report_error( ctx, "(%u): Invalid register file name", file );
@@ -211,7 +211,7 @@ is_register_declared(
 static bool
 is_any_register_declared(
    struct sanity_check_ctx *ctx,
-   uint file )
+   enum tgsi_file_type file )
 {
    struct cso_hash_iter iter =
       cso_hash_first_node(&ctx->regs_decl);
@@ -393,7 +393,7 @@ iter_declaration(
    struct tgsi_full_declaration *decl )
 {
    struct sanity_check_ctx *ctx = (struct sanity_check_ctx *) iter;
-   uint file;
+   enum tgsi_file_type file;
    uint i;
 
    /* No declarations allowed after the first instruction.

src/gallium/auxiliary/tgsi/tgsi_scan.c

@@ -45,7 +45,7 @@
 
 
 static bool
-is_memory_file(unsigned file)
+is_memory_file(enum tgsi_file_type file)
 {
    return file == TGSI_FILE_SAMPLER ||
           file == TGSI_FILE_SAMPLER_VIEW ||
@@ -604,7 +604,7 @@ static void
 scan_declaration(struct tgsi_shader_info *info,
                  const struct tgsi_full_declaration *fulldecl)
 {
-   const uint file = fulldecl->Declaration.File;
+   enum tgsi_file_type file = fulldecl->Declaration.File;
    const unsigned procType = info->processor;
    uint reg;
 
@@ -620,6 +620,12 @@ scan_declaration(struct tgsi_shader_info *info,
          assert(array_id < ARRAY_SIZE(info->output_array_first));
          info->output_array_first[array_id] = fulldecl->Range.First;
          break;
+
+      case TGSI_FILE_NULL:
+         unreachable("unexpected file");
+
+      default:
+         break;
       }
       info->array_max[file] = MAX2(info->array_max[file], array_id);
    }
@@ -811,6 +817,12 @@ scan_declaration(struct tgsi_shader_info *info,
             assert(info->sampler_type[reg] == type);
          }
          break;
+
+      case TGSI_FILE_NULL:
+         unreachable("unexpected file");
+
+      default:
+         break;
       }
    }
 }
@@ -820,7 +832,7 @@ static void
 scan_immediate(struct tgsi_shader_info *info)
 {
    uint reg = info->immediate_count++;
-   uint file = TGSI_FILE_IMMEDIATE;
+   enum tgsi_file_type file = TGSI_FILE_IMMEDIATE;
 
    info->file_mask[file] |= (1 << reg);
    info->file_count[file]++;

src/gallium/auxiliary/tgsi/tgsi_scan.h

@@ -190,7 +190,7 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
                  struct tgsi_shader_info *info);
 
 static inline bool
-tgsi_is_bindless_image_file(unsigned file)
+tgsi_is_bindless_image_file(enum tgsi_file_type file)
 {
    return file != TGSI_FILE_IMAGE &&
           file != TGSI_FILE_MEMORY &&

src/gallium/auxiliary/tgsi/tgsi_text.c

@@ -379,9 +379,9 @@ static bool parse_label( struct translate_ctx *ctx, uint *val )
 }
 
 static bool
-parse_file( const char **pcur, uint *file )
+parse_file( const char **pcur, enum tgsi_file_type *file )
 {
-   uint i;
+   enum tgsi_file_type i;
 
    for (i = 0; i < TGSI_FILE_COUNT; i++) {
       const char *cur = *pcur;
@@ -444,7 +444,7 @@ parse_opt_writemask(
 static bool
 parse_register_file_bracket(
    struct translate_ctx *ctx,
-   uint *file )
+   enum tgsi_file_type *file )
 {
    if (!parse_file( &ctx->cur, file )) {
       report_error( ctx, "Unknown register file" );
@@ -464,7 +464,7 @@ parse_register_file_bracket(
 static bool
 parse_register_file_bracket_index(
    struct translate_ctx *ctx,
-   uint *file,
+   enum tgsi_file_type *file,
    int *index )
 {
    uint uindex;
@@ -485,7 +485,7 @@ parse_register_file_bracket_index(
  */
 static bool
 parse_register_1d(struct translate_ctx *ctx,
-                  uint *file,
+                  enum tgsi_file_type *file,
                   int *index )
 {
    if (!parse_register_file_bracket_index( ctx, file, index ))
@@ -502,7 +502,7 @@ parse_register_1d(struct translate_ctx *ctx,
 struct parsed_bracket {
    int index;
 
-   uint ind_file;
+   enum tgsi_file_type ind_file;
    int ind_index;
    uint ind_comp;
    uint ind_array;
@@ -624,7 +624,7 @@ parse_opt_register_src_bracket(
 static bool
 parse_register_src(
    struct translate_ctx *ctx,
-   uint *file,
+   enum tgsi_file_type *file,
    struct parsed_bracket *brackets)
 {
    brackets->ind_comp = TGSI_SWIZZLE_X;
@@ -698,7 +698,7 @@ cleanup:
 static bool
 parse_register_dcl(
    struct translate_ctx *ctx,
-   uint *file,
+   enum tgsi_file_type *file,
    struct parsed_dcl_bracket *brackets,
    int *num_brackets)
 {
@@ -749,7 +749,7 @@ parse_register_dcl(
 static bool
 parse_register_dst(
    struct translate_ctx *ctx,
-   uint *file,
+   enum tgsi_file_type *file,
    struct parsed_bracket *brackets)
 {
    brackets->ind_comp = TGSI_SWIZZLE_X;
@@ -766,7 +766,7 @@ parse_dst_operand(
    struct translate_ctx *ctx,
    struct tgsi_full_dst_register *dst )
 {
-   uint file;
+   enum tgsi_file_type file;
    uint writemask;
    const char *cur;
    struct parsed_bracket bracket[2];
@@ -854,7 +854,7 @@ parse_src_operand(
    struct translate_ctx *ctx,
    struct tgsi_full_src_register *src )
 {
-   uint file;
+   enum tgsi_file_type file;
    uint swizzle[4];
    bool parsed_swizzle;
    struct parsed_bracket bracket[2];
@@ -930,7 +930,7 @@ parse_texoffset_operand(
    struct translate_ctx *ctx,
    struct tgsi_texture_offset *src )
 {
-   uint file;
+   enum tgsi_file_type file;
    uint swizzle[3];
    bool parsed_swizzle;
    struct parsed_bracket bracket;
@@ -1241,7 +1241,7 @@ static bool parse_immediate_data(struct translate_ctx *ctx, unsigned type,
 static bool parse_declaration( struct translate_ctx *ctx )
 {
    struct tgsi_full_declaration decl;
-   uint file;
+   enum tgsi_file_type file;
    struct parsed_dcl_bracket brackets[2];
    int num_brackets;
    uint writemask;