tgsi: update for images/buffers/memory support

This just pulls in a bunch of TGSI changes from upstream
that make adding GLES3.1 features easier.

Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>

src/gallium/auxiliary/tgsi/tgsi_build.c

@@ -269,36 +269,39 @@ tgsi_build_declaration_semantic(
    return ds;
 }
 
-static struct tgsi_declaration_resource
+static struct tgsi_declaration_image
-tgsi_default_declaration_resource(void)
+tgsi_default_declaration_image(void)
 {
-   struct tgsi_declaration_resource dr;
+   struct tgsi_declaration_image di;
 
-   dr.Resource = TGSI_TEXTURE_BUFFER;
+   di.Resource = TGSI_TEXTURE_BUFFER;
-   dr.Raw = 0;
+   di.Raw = 0;
-   dr.Writable = 0;
+   di.Writable = 0;
-   dr.Padding = 0;
+   di.Format = 0;
+   di.Padding = 0;
 
-   return dr;
+   return di;
 }
 
-static struct tgsi_declaration_resource
+static struct tgsi_declaration_image
-tgsi_build_declaration_resource(unsigned texture,
+tgsi_build_declaration_image(unsigned texture,
-                                unsigned raw,
+                             unsigned format,
-                                unsigned writable,
+                             unsigned raw,
-                                struct tgsi_declaration *declaration,
+                             unsigned writable,
-                                struct tgsi_header *header)
+                             struct tgsi_declaration *declaration,
+                             struct tgsi_header *header)
 {
-   struct tgsi_declaration_resource dr;
+   struct tgsi_declaration_image di;
 
-   dr = tgsi_default_declaration_resource();
+   di = tgsi_default_declaration_image();
-   dr.Resource = texture;
+   di.Resource = texture;
-   dr.Raw = raw;
+   di.Format = format;
-   dr.Writable = writable;
+   di.Raw = raw;
+   di.Writable = writable;
 
    declaration_grow(declaration, header);
 
-   return dr;
+   return di;
 }
 
 static struct tgsi_declaration_sampler_view
@@ -374,7 +377,7 @@ tgsi_default_full_declaration( void )
    full_declaration.Range = tgsi_default_declaration_range();
    full_declaration.Semantic = tgsi_default_declaration_semantic();
    full_declaration.Interp = tgsi_default_declaration_interp();
-   full_declaration.Resource = tgsi_default_declaration_resource();
+   full_declaration.Image = tgsi_default_declaration_image();
    full_declaration.SamplerView = tgsi_default_declaration_sampler_view();
    full_declaration.Array = tgsi_default_declaration_array();
 
@@ -468,20 +471,21 @@ tgsi_build_full_declaration(
          header );
    }
 
-   if (full_decl->Declaration.File == TGSI_FILE_RESOURCE) {
+   if (full_decl->Declaration.File == TGSI_FILE_IMAGE) {
-      struct tgsi_declaration_resource *dr;
+      struct tgsi_declaration_image *di;
 
       if (maxsize <= size) {
          return  0;
       }
-      dr = (struct tgsi_declaration_resource *)&tokens[size];
+      di = (struct tgsi_declaration_image *)&tokens[size];
       size++;
 
-      *dr = tgsi_build_declaration_resource(full_decl->Resource.Resource,
+      *di = tgsi_build_declaration_image(full_decl->Image.Resource,
-                                            full_decl->Resource.Raw,
+                                         full_decl->Image.Format,
-                                            full_decl->Resource.Writable,
+                                         full_decl->Image.Raw,
-                                            declaration,
+                                         full_decl->Image.Writable,
-                                            header);
+                                         declaration,
+                                         header);
    }
 
    if (full_decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
@@ -733,6 +737,40 @@ tgsi_build_instruction_texture(
    return instruction_texture;
 }
 
+static struct tgsi_instruction_memory
+tgsi_default_instruction_memory( void )
+{
+   struct tgsi_instruction_memory instruction_memory;
+
+   instruction_memory.Qualifier = 0;
+   instruction_memory.Texture = 0;
+   instruction_memory.Format = 0;
+   instruction_memory.Padding = 0;
+
+   return instruction_memory;
+}
+
+static struct tgsi_instruction_memory
+tgsi_build_instruction_memory(
+   unsigned qualifier,
+   unsigned texture,
+   unsigned format,
+   struct tgsi_token *prev_token,
+   struct tgsi_instruction *instruction,
+   struct tgsi_header *header )
+{
+   struct tgsi_instruction_memory instruction_memory;
+
+   instruction_memory.Qualifier = qualifier;
+   instruction_memory.Texture = texture;
+   instruction_memory.Format = format;
+   instruction_memory.Padding = 0;
+   instruction->Memory = 1;
+
+   instruction_grow( instruction, header );
+
+   return instruction_memory;
+}
 
 static struct tgsi_texture_offset
 tgsi_default_texture_offset( void )
@@ -978,6 +1016,7 @@ tgsi_default_full_instruction( void )
    full_instruction.Instruction = tgsi_default_instruction();
    full_instruction.Label = tgsi_default_instruction_label();
    full_instruction.Texture = tgsi_default_instruction_texture();
+   full_instruction.Memory = tgsi_default_instruction_memory();
    for( i = 0;  i < TGSI_FULL_MAX_TEX_OFFSETS; i++ ) {
       full_instruction.TexOffsets[i] = tgsi_default_texture_offset();
    }
@@ -1068,6 +1107,26 @@ tgsi_build_full_instruction(
          prev_token = (struct tgsi_token *) texture_offset;
       }
    }
+
+   if (full_inst->Instruction.Memory) {
+      struct tgsi_instruction_memory *instruction_memory;
+
+      if( maxsize <= size )
+         return 0;
+      instruction_memory =
+         (struct  tgsi_instruction_memory *) &tokens[size];
+      size++;
+
+      *instruction_memory = tgsi_build_instruction_memory(
+         full_inst->Memory.Qualifier,
+         full_inst->Memory.Texture,
+         full_inst->Memory.Format,
+         prev_token,
+         instruction,
+         header );
+      prev_token = (struct tgsi_token  *) instruction_memory;
+   }
+
    for( i = 0;  i <   full_inst->Instruction.NumDstRegs; i++ ) {
       const struct tgsi_full_dst_register *reg = &full_inst->Dst[i];
       struct tgsi_dst_register *dst_register;

src/gallium/auxiliary/tgsi/tgsi_dump.c

@@ -348,15 +348,32 @@ iter_declaration(
       }
    }
 
-   if (decl->Declaration.File == TGSI_FILE_RESOURCE) {
+   if (decl->Declaration.File == TGSI_FILE_IMAGE) {
       TXT(", ");
-      ENM(decl->Resource.Resource, tgsi_texture_names);
+      ENM(decl->Image.Resource, tgsi_texture_names);
-      if (decl->Resource.Writable)
+      TXT(", ");
+      TXT(util_format_name(decl->Image.Format));
+      if (decl->Image.Writable)
          TXT(", WR");
-      if (decl->Resource.Raw)
+      if (decl->Image.Raw)
          TXT(", RAW");
    }
 
+   if (decl->Declaration.File == TGSI_FILE_BUFFER) {
+      if (decl->Declaration.Atomic)
+         TXT(", ATOMIC");
+   }
+
+   if (decl->Declaration.File == TGSI_FILE_MEMORY) {
+      switch (decl->Declaration.MemType) {
+      /* Note: ,GLOBAL is optional / the default */
+      case TGSI_MEMORY_TYPE_GLOBAL:  TXT(", GLOBAL");  break;
+      case TGSI_MEMORY_TYPE_SHARED:  TXT(", SHARED");  break;
+      case TGSI_MEMORY_TYPE_PRIVATE: TXT(", PRIVATE"); break;
+      case TGSI_MEMORY_TYPE_INPUT:   TXT(", INPUT");   break;
+      }
+   }
+
    if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
       TXT(", ");
       ENM(decl->SamplerView.Resource, tgsi_texture_names);
@@ -593,17 +610,37 @@ iter_instruction(
       }
    }
 
-   switch (inst->Instruction.Opcode) {
+   if (inst->Instruction.Memory) {
-   case TGSI_OPCODE_IF:
+      uint32_t qualifier = inst->Memory.Qualifier;
-   case TGSI_OPCODE_UIF:
+      while (qualifier) {
-   case TGSI_OPCODE_ELSE:
+         int bit = ffs(qualifier) - 1;
-   case TGSI_OPCODE_BGNLOOP:
+         qualifier &= ~(1U << bit);
-   case TGSI_OPCODE_ENDLOOP:
+         TXT(", ");
-   case TGSI_OPCODE_CAL:
+         ENM(bit, tgsi_memory_names);
-   case TGSI_OPCODE_BGNSUB:
+      }
-      TXT( " :" );
+      if (inst->Memory.Texture) {
-      UID( inst->Label.Label );
+         TXT( ", " );
-      break;
+         ENM( inst->Memory.Texture, tgsi_texture_names );
+      }
+      if (inst->Memory.Format) {
+         TXT( ", " );
+         TXT( util_format_name(inst->Memory.Format) );
+      }
+   }
+
+   if (inst->Instruction.Label) {
+      switch (inst->Instruction.Opcode) {
+      case TGSI_OPCODE_IF:
+      case TGSI_OPCODE_UIF:
+      case TGSI_OPCODE_ELSE:
+      case TGSI_OPCODE_BGNLOOP:
+      case TGSI_OPCODE_ENDLOOP:
+      case TGSI_OPCODE_CAL:
+      case TGSI_OPCODE_BGNSUB:
+         TXT( " :" );
+         UID( inst->Label.Label );
+         break;
+      }
    }
 
    /* update indentation */

src/gallium/auxiliary/tgsi/tgsi_info.c

@@ -142,14 +142,14 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },
    { 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ },
    { 1, 1, 1, 0, 0, 0, OTHR, "TXQS", TGSI_OPCODE_TXQS },
-   { 0, 0, 0, 0, 0, 0, NONE, "", 105 },     /* removed */
+   { 1, 1, 0, 0, 0, 0, OTHR, "RESQ", TGSI_OPCODE_RESQ },
    { 0, 0, 0, 0, 0, 0, NONE, "", 106 },     /* removed */
    { 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP },
    { 1, 2, 0, 0, 0, 0, COMP, "FSEQ", TGSI_OPCODE_FSEQ },
    { 1, 2, 0, 0, 0, 0, COMP, "FSGE", TGSI_OPCODE_FSGE },
    { 1, 2, 0, 0, 0, 0, COMP, "FSLT", TGSI_OPCODE_FSLT },
    { 1, 2, 0, 0, 0, 0, COMP, "FSNE", TGSI_OPCODE_FSNE },
-   { 0, 1, 0, 0, 0, 1, NONE, "", 112 },      /* removed */
+   { 0, 1, 0, 0, 0, 0, OTHR, "MEMBAR", TGSI_OPCODE_MEMBAR },
    { 0, 1, 0, 0, 0, 0, NONE, "CALLNZ", TGSI_OPCODE_CALLNZ },
    { 0, 1, 0, 0, 0, 0, NONE, "", 114 },     /* removed */
    { 0, 1, 0, 0, 0, 0, NONE, "BREAKC", TGSI_OPCODE_BREAKC },

src/gallium/auxiliary/tgsi/tgsi_parse.c

@@ -121,8 +121,8 @@ tgsi_parse_token(
          next_token( ctx, &decl->Semantic );
       }
 
-      if (decl->Declaration.File == TGSI_FILE_RESOURCE) {
+      if (decl->Declaration.File == TGSI_FILE_IMAGE) {
-         next_token(ctx, &decl->Resource);
+         next_token(ctx, &decl->Image);
       }
 
       if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
@@ -191,6 +191,10 @@ tgsi_parse_token(
          }
       }
 
+      if (inst->Instruction.Memory) {
+         next_token(ctx, &inst->Memory);
+      }
+
       assert( inst->Instruction.NumDstRegs <= TGSI_FULL_MAX_DST_REGISTERS );
 
       for(  i = 0; i < inst->Instruction.NumDstRegs; i++ ) {

src/gallium/auxiliary/tgsi/tgsi_parse.h

@@ -64,7 +64,7 @@ struct tgsi_full_declaration
    struct tgsi_declaration_dimension Dim;
    struct tgsi_declaration_interp Interp;
    struct tgsi_declaration_semantic Semantic;
-   struct tgsi_declaration_resource Resource;
+   struct tgsi_declaration_image Image;
    struct tgsi_declaration_sampler_view SamplerView;
    struct tgsi_declaration_array Array;
 };
@@ -90,6 +90,7 @@ struct tgsi_full_instruction
    struct tgsi_instruction             Instruction;
    struct tgsi_instruction_label       Label;
    struct tgsi_instruction_texture     Texture;
+   struct tgsi_instruction_memory      Memory;
    struct tgsi_full_dst_register       Dst[TGSI_FULL_MAX_DST_REGISTERS];
    struct tgsi_full_src_register       Src[TGSI_FULL_MAX_SRC_REGISTERS];
    struct tgsi_texture_offset          TexOffsets[TGSI_FULL_MAX_TEX_OFFSETS];

src/gallium/auxiliary/tgsi/tgsi_strings.c

@@ -54,8 +54,10 @@ static const char *tgsi_file_names[] =
    "IMM",
    "PRED",
    "SV",
-   "RES",
+   "IMAGE",
-   "SVIEW"
+   "SVIEW",
+   "BUFFER",
+   "MEMORY",
 };
 
 const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
@@ -214,6 +216,12 @@ const char *tgsi_immediate_type_names[4] =
    "FLT64"
 };
 
+const char *tgsi_memory_names[3] =
+{
+   "COHERENT",
+   "RESTRICT",
+   "VOLATILE",
+};
 
 static inline void
 tgsi_strings_check(void)

src/gallium/auxiliary/tgsi/tgsi_strings.h

@@ -62,6 +62,7 @@ extern const char *tgsi_fs_coord_pixel_center_names[2];
 
 extern const char *tgsi_immediate_type_names[4];
 
+extern const char *tgsi_memory_names[3];
 
 const char *
 tgsi_file_name(unsigned file);

src/gallium/auxiliary/tgsi/tgsi_text.c

@@ -119,6 +119,42 @@ static boolean str_match_nocase_whole( const char **pcur, const char *str )
    return FALSE;
 }
 
+/* Return the array index that matches starting at *pcur, where the string at
+ * *pcur is terminated by a non-digit non-letter non-underscore.
+ * Returns -1 if no match is found.
+ *
+ * On success, the pointer to the first string is moved to the end of the read
+ * word.
+ */
+static int str_match_name_from_array(const char **pcur,
+                                     const char * const *array,
+                                     unsigned array_size)
+{
+   for (unsigned j = 0; j < array_size; ++j) {
+      if (str_match_nocase_whole(pcur, array[j]))
+         return j;
+   }
+   return -1;
+}
+
+/* Return the format corresponding to the name at *pcur.
+ * Returns -1 if there is no format name.
+ *
+ * On success, the pointer to the string is moved to the end of the read format
+ * name.
+ */
+static int str_match_format(const char **pcur)
+{
+   for (unsigned i = 0; i < PIPE_FORMAT_COUNT; i++) {
+      const struct util_format_description *desc =
+         util_format_description(i);
+      if (desc && str_match_nocase_whole(pcur, desc->name)) {
+         return i;
+      }
+   }
+   return -1;
+}
+
 /* Eat until eol
  */
 static void eat_until_eol( const char **pcur )
@@ -1028,6 +1064,12 @@ parse_instruction(
       inst.Texture.Texture = TGSI_TEXTURE_UNKNOWN;
    }
 
+   if ((i >= TGSI_OPCODE_LOAD && i <= TGSI_OPCODE_ATOMIMAX) ||
+       i == TGSI_OPCODE_RESQ) {
+      inst.Instruction.Memory = 1;
+      inst.Memory.Qualifier = 0;
+   }
+
    /* Parse instruction operands.
     */
    for (i = 0; i < info->num_dst + info->num_src + info->is_tex; i++) {
@@ -1079,6 +1121,41 @@ parse_instruction(
    }
    inst.Texture.NumOffsets = i;
 
+   cur = ctx->cur;
+   eat_opt_white(&cur);
+
+   for (; inst.Instruction.Memory && *cur == ',';
+        ctx->cur = cur, eat_opt_white(&cur)) {
+      int j;
+
+      cur++;
+      eat_opt_white(&cur);
+
+      j = str_match_name_from_array(&cur, tgsi_memory_names,
+                                    ARRAY_SIZE(tgsi_memory_names));
+      if (j >= 0) {
+         inst.Memory.Qualifier |= 1U << j;
+         continue;
+      }
+
+      j = str_match_name_from_array(&cur, tgsi_texture_names,
+                                    ARRAY_SIZE(tgsi_texture_names));
+      if (j >= 0) {
+         inst.Memory.Texture = j;
+         continue;
+      }
+
+      j = str_match_format(&cur);
+      if (j >= 0) {
+         inst.Memory.Format = j;
+         continue;
+      }
+
+      ctx->cur = cur;
+      report_error(ctx, "Expected memory qualifier, texture target, or format\n");
+      return FALSE;
+   }
+
    cur = ctx->cur;
    eat_opt_white( &cur );
    if (info->is_branch && *cur == ':') {
@@ -1240,10 +1317,10 @@ static boolean parse_declaration( struct translate_ctx *ctx )
 
       cur++;
       eat_opt_white( &cur );
-      if (file == TGSI_FILE_RESOURCE) {
+      if (file == TGSI_FILE_IMAGE) {
          for (i = 0; i < TGSI_TEXTURE_COUNT; i++) {
             if (str_match_nocase_whole(&cur, tgsi_texture_names[i])) {
-               decl.Resource.Resource = i;
+               decl.Image.Resource = i;
                break;
             }
          }
@@ -1258,13 +1335,17 @@ static boolean parse_declaration( struct translate_ctx *ctx )
             cur2++;
             eat_opt_white(&cur2);
             if (str_match_nocase_whole(&cur2, "RAW")) {
-               decl.Resource.Raw = 1;
+               decl.Image.Raw = 1;
 
             } else if (str_match_nocase_whole(&cur2, "WR")) {
-               decl.Resource.Writable = 1;
+               decl.Image.Writable = 1;
 
             } else {
-               break;
+               int format = str_match_format(&cur2);
+               if (format < 0)
+                  break;
+
+               decl.Image.Format = format;
             }
             cur = cur2;
             eat_opt_white(&cur2);
@@ -1337,6 +1418,26 @@ static boolean parse_declaration( struct translate_ctx *ctx )
                decl.SamplerView.ReturnTypeX;
          }
          ctx->cur = cur;
+      } else if (file == TGSI_FILE_BUFFER) {
+         if (str_match_nocase_whole(&cur, "ATOMIC")) {
+            decl.Declaration.Atomic = 1;
+            ctx->cur = cur;
+         }
+      } else if (file == TGSI_FILE_MEMORY) {
+         if (str_match_nocase_whole(&cur, "GLOBAL")) {
+            /* Note this is a no-op global is the default */
+            decl.Declaration.MemType = TGSI_MEMORY_TYPE_GLOBAL;
+            ctx->cur = cur;
+         } else if (str_match_nocase_whole(&cur, "SHARED")) {
+            decl.Declaration.MemType = TGSI_MEMORY_TYPE_SHARED;
+            ctx->cur = cur;
+         } else if (str_match_nocase_whole(&cur, "PRIVATE")) {
+            decl.Declaration.MemType = TGSI_MEMORY_TYPE_PRIVATE;
+            ctx->cur = cur;
+         } else if (str_match_nocase_whole(&cur, "INPUT")) {
+            decl.Declaration.MemType = TGSI_MEMORY_TYPE_INPUT;
+            ctx->cur = cur;
+         }
       } else {
          if (str_match_nocase_whole(&cur, "LOCAL")) {
             decl.Declaration.Local = 1;

src/gallium/include/pipe/p_shader_tokens.h

@@ -76,8 +76,10 @@ enum tgsi_file_type {
    TGSI_FILE_IMMEDIATE           =7,
    TGSI_FILE_PREDICATE           =8,
    TGSI_FILE_SYSTEM_VALUE        =9,
-   TGSI_FILE_RESOURCE            =10,
+   TGSI_FILE_IMAGE               =10,
    TGSI_FILE_SAMPLER_VIEW        =11,
+   TGSI_FILE_BUFFER,
+   TGSI_FILE_MEMORY,
    TGSI_FILE_COUNT      /**< how many TGSI_FILE_ types */
 };
 
@@ -115,6 +117,14 @@ enum tgsi_file_type {
 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
 
+enum tgsi_memory_type {
+   TGSI_MEMORY_TYPE_GLOBAL,         /* OpenCL global              */
+   TGSI_MEMORY_TYPE_SHARED,         /* OpenCL local / GLSL shared */
+   TGSI_MEMORY_TYPE_PRIVATE,        /* OpenCL private             */
+   TGSI_MEMORY_TYPE_INPUT,          /* OpenCL kernel input params */
+   TGSI_MEMORY_TYPE_COUNT,
+};
+
 struct tgsi_declaration
 {
    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
@@ -127,7 +137,9 @@ struct tgsi_declaration
    unsigned Invariant   : 1;  /**< invariant optimization? */
    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
    unsigned Array       : 1;  /**< extra array info? */
-   unsigned Padding     : 6;
+   unsigned Atomic      : 1;  /**< atomic only? for TGSI_FILE_BUFFER */
+   unsigned MemType     : 2;  /**< TGSI_MEMORY_TYPE_x for TGSI_FILE_MEMORY */
+   unsigned Padding     : 3;
 };
 
 struct tgsi_declaration_range
@@ -198,11 +210,12 @@ struct tgsi_declaration_semantic
    unsigned StreamW        : 2;
 };
 
-struct tgsi_declaration_resource {
+struct tgsi_declaration_image {
    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
    unsigned Raw         : 1;
    unsigned Writable    : 1;
-   unsigned Padding     : 22;
+   unsigned Format      : 10; /**< one of PIPE_FORMAT_ */
+   unsigned Padding     : 12;
 };
 
 enum tgsi_return_type {
@@ -420,6 +433,7 @@ struct tgsi_property_data {
 #define TGSI_OPCODE_ENDSUB              102
 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
 #define TGSI_OPCODE_TXQS                104
+#define TGSI_OPCODE_RESQ                105
                                 /* gap */
 #define TGSI_OPCODE_NOP                 107
 
@@ -428,7 +442,7 @@ struct tgsi_property_data {
 #define TGSI_OPCODE_FSLT                110
 #define TGSI_OPCODE_FSNE                111
 
-                                /* gap */
+#define TGSI_OPCODE_MEMBAR              112
 #define TGSI_OPCODE_CALLNZ              113
                                 /* gap */
 #define TGSI_OPCODE_BREAKC              115
@@ -727,6 +741,26 @@ struct tgsi_dst_register
    unsigned Padding     : 6;
 };
 
+#define TGSI_MEMORY_COHERENT (1 << 0)
+#define TGSI_MEMORY_RESTRICT (1 << 1)
+#define TGSI_MEMORY_VOLATILE (1 << 2)
+
+/**
+ * Specifies the type of memory access to do for the LOAD/STORE instruction.
+ */
+struct tgsi_instruction_memory
+{
+   unsigned Qualifier : 3;  /* TGSI_MEMORY_ */
+   unsigned Texture   : 8;  /* only for images: TGSI_TEXTURE_ */
+   unsigned Format    : 10; /* only for images: PIPE_FORMAT_ */
+   unsigned Padding   : 11;
+};
+
+#define TGSI_MEMBAR_SHADER_BUFFER (1 << 0)
+#define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1)
+#define TGSI_MEMBAR_SHADER_IMAGE  (1 << 2)
+#define TGSI_MEMBAR_SHARED        (1 << 3)
+#define TGSI_MEMBAR_THREAD_GROUP  (1 << 4)
 
 #ifdef __cplusplus
 }