From dcf8543ab375dd9c128d1ca772b1e587cebbdc7c Mon Sep 17 00:00:00 2001
From: Michal Krol <michal@vmware.com>
Date: Thu, 21 Jan 2010 20:02:17 +0100
Subject: tgsi: Handle two-dimensional constants in text parser.

---
 src/gallium/auxiliary/tgsi/tgsi_build.c | 46 +++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'src/gallium/auxiliary/tgsi/tgsi_build.c')

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index de9cbc86305..e38b0be7ab5 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -103,6 +103,7 @@ tgsi_default_declaration( void )
    declaration.File = TGSI_FILE_NULL;
    declaration.UsageMask = TGSI_WRITEMASK_XYZW;
    declaration.Interpolate = TGSI_INTERPOLATE_CONSTANT;
+   declaration.Dimension = 0;
    declaration.Semantic = 0;
    declaration.Centroid = 0;
    declaration.Invariant = 0;
@@ -116,6 +117,7 @@ tgsi_build_declaration(
    unsigned file,
    unsigned usage_mask,
    unsigned interpolate,
+   unsigned dimension,
    unsigned semantic,
    unsigned centroid,
    unsigned invariant,
@@ -130,6 +132,7 @@ tgsi_build_declaration(
    declaration.File = file;
    declaration.UsageMask = usage_mask;
    declaration.Interpolate = interpolate;
+   declaration.Dimension = dimension;
    declaration.Semantic = semantic;
    declaration.Centroid = centroid;
    declaration.Invariant = invariant;
@@ -183,6 +186,7 @@ tgsi_build_full_declaration(
       full_decl->Declaration.File,
       full_decl->Declaration.UsageMask,
       full_decl->Declaration.Interpolate,
+      full_decl->Declaration.Dimension,
       full_decl->Declaration.Semantic,
       full_decl->Declaration.Centroid,
       full_decl->Declaration.Invariant,
@@ -199,6 +203,20 @@ tgsi_build_full_declaration(
       declaration,
       header );
 
+   if (full_decl->Declaration.Dimension) {
+      struct tgsi_declaration_dimension *dd;
+
+      if (maxsize <= size) {
+         return 0;
+      }
+      dd = (struct tgsi_declaration_dimension *)&tokens[size];
+      size++;
+
+      *dd = tgsi_build_declaration_dimension(full_decl->Dim.Index2D,
+                                             declaration,
+                                             header);
+   }
+
    if( full_decl->Declaration.Semantic ) {
       struct tgsi_declaration_semantic *ds;
 
@@ -249,6 +267,34 @@ tgsi_build_declaration_range(
    return declaration_range;
 }
 
+struct tgsi_declaration_dimension
+tgsi_default_declaration_dimension(void)
+{
+   struct tgsi_declaration_dimension dd;
+
+   dd.Index2D = 0;
+   dd.Padding = 0;
+
+   return dd;
+}
+
+struct tgsi_declaration_dimension
+tgsi_build_declaration_dimension(unsigned index_2d,
+                                 struct tgsi_declaration *declaration,
+                                 struct tgsi_header *header)
+{
+   struct tgsi_declaration_dimension dd;
+
+   assert(index_2d <= 0xFFFF);
+
+   dd = tgsi_default_declaration_dimension();
+   dd.Index2D = index_2d;
+
+   declaration_grow(declaration, header);
+
+   return dd;
+}
+
 struct tgsi_declaration_semantic
 tgsi_default_declaration_semantic( void )
 {
-- 
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