tgsi: add properties and system value register

adds support for properties to all parts of the tgsi framework, plus
introduces a new register which will be used for system generated
values.

1 files changed, 19 insertions, 2 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index a5d2db04ec..5f5c95bfbd 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -97,7 +97,8 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
                for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) {
                   const struct tgsi_full_src_register *src =
                      &fullinst->Src[i];
-                  if (src->Register.File == TGSI_FILE_INPUT) {
+                  if (src->Register.File == TGSI_FILE_INPUT ||
+                      src->Register.File == TGSI_FILE_SYSTEM_VALUE) {
                      const int ind = src->Register.Index;
                      if (info->input_semantic_name[ind] == TGSI_SEMANTIC_FOG) {
                         if (src->Register.SwizzleX == TGSI_SWIZZLE_X) {
@@ -128,7 +129,7 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
                info->file_count[file]++;
                info->file_max[file] = MAX2(info->file_max[file], (int)reg);
 
-               if (file == TGSI_FILE_INPUT) {
+               if (file == TGSI_FILE_INPUT || file == TGSI_FILE_SYSTEM_VALUE) {
                   info->input_semantic_name[reg] = (ubyte)fulldecl->Semantic.Name;
                   info->input_semantic_index[reg] = (ubyte)fulldecl->Semantic.Index;
                   info->input_interpolate[reg] = (ubyte)fulldecl->Declaration.Interpolate;
@@ -160,6 +161,19 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
             info->file_max[file] = MAX2(info->file_max[file], (int)reg);
          }
          break;
+      case TGSI_TOKEN_TYPE_PROPERTY:
+      {
+         const struct tgsi_full_property *fullprop
+            = &parse.FullToken.FullProperty;
+
+         info->properties[info->num_properties].name =
+            fullprop->Property.PropertyName;
+         memcpy(info->properties[info->num_properties].data,
+                fullprop->u, 8 * sizeof(unsigned));;
+
+         ++info->num_properties;
+      }
+      break;
 
       default:
          assert( 0 );
@@ -212,6 +226,7 @@ tgsi_is_passthrough_shader(const struct tgsi_token *tokens)
             /* Do a whole bunch of checks for a simple move */
             if (fullinst->Instruction.Opcode != TGSI_OPCODE_MOV ||
                 src->Register.File != TGSI_FILE_INPUT ||
+                src->Register.File != TGSI_FILE_SYSTEM_VALUE ||
                 dst->Register.File != TGSI_FILE_OUTPUT ||
                 src->Register.Index != dst->Register.Index ||
 
@@ -235,6 +250,8 @@ tgsi_is_passthrough_shader(const struct tgsi_token *tokens)
          /* fall-through */
       case TGSI_TOKEN_TYPE_IMMEDIATE:
          /* fall-through */
+      case TGSI_TOKEN_TYPE_PROPERTY:
+         /* fall-through */
       default:
          ; /* no-op */
       }