From 6f6d740c851aa8bedc7c51dbd5db14de338787f1 Mon Sep 17 00:00:00 2001
From: Michal Krol <michal@vmware.com>
Date: Wed, 3 Feb 2010 15:28:03 +0100
Subject: [PATCH] gallium: Add cylindrical wrap info to TGSI declaration.

---
 src/gallium/auxiliary/tgsi/tgsi_build.c    |  5 ++++-
 src/gallium/auxiliary/tgsi/tgsi_build.h    |  1 +
 src/gallium/auxiliary/tgsi/tgsi_dump.c     | 16 ++++++++++++++++
 src/gallium/include/pipe/p_shader_tokens.h |  9 +++++++--
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index e38b0be7ab5..0890078cd05 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -107,7 +107,7 @@ tgsi_default_declaration( void )
    declaration.Semantic = 0;
    declaration.Centroid = 0;
    declaration.Invariant = 0;
-   declaration.Padding = 0;
+   declaration.CylindricalWrap = 0;
 
    return declaration;
 }
@@ -121,6 +121,7 @@ tgsi_build_declaration(
    unsigned semantic,
    unsigned centroid,
    unsigned invariant,
+   unsigned cylindrical_wrap,
    struct tgsi_header *header )
 {
    struct tgsi_declaration declaration;
@@ -136,6 +137,7 @@ tgsi_build_declaration(
    declaration.Semantic = semantic;
    declaration.Centroid = centroid;
    declaration.Invariant = invariant;
+   declaration.CylindricalWrap = cylindrical_wrap;
 
    header_bodysize_grow( header );
 
@@ -190,6 +192,7 @@ tgsi_build_full_declaration(
       full_decl->Declaration.Semantic,
       full_decl->Declaration.Centroid,
       full_decl->Declaration.Invariant,
+      full_decl->Declaration.CylindricalWrap,
       header );
 
    if (maxsize <= size)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.h b/src/gallium/auxiliary/tgsi/tgsi_build.h
index ebee4ce5f6a..13d7f5272d6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.h
@@ -68,6 +68,7 @@ tgsi_build_declaration(
    unsigned semantic,
    unsigned centroid,
    unsigned invariant,
+   unsigned cylindrical_wrap,
    struct tgsi_header *header );
 
 struct tgsi_full_declaration
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index dd365558755..57031419f8e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -342,6 +342,22 @@ iter_declaration(
       TXT( ", INVARIANT" );
    }
 
+   if (decl->Declaration.CylindricalWrap) {
+      TXT(", CYLWRAP_");
+      if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_X) {
+         CHR('X');
+      }
+      if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Y) {
+         CHR('Y');
+      }
+      if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Z) {
+         CHR('Z');
+      }
+      if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_W) {
+         CHR('W');
+      }
+   }
+
    EOL();
 
    return TRUE;
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 21581a4674f..c5c480f1f0e 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -1,7 +1,7 @@
 /**************************************************************************
  * 
  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * Copyright 2009 VMware, Inc.
+ * Copyright 2009-2010 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -102,6 +102,11 @@ enum tgsi_file_type {
 #define TGSI_INTERPOLATE_PERSPECTIVE   2
 #define TGSI_INTERPOLATE_COUNT         3
 
+#define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
+#define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
+#define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
+#define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
+
 struct tgsi_declaration
 {
    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
@@ -113,7 +118,7 @@ struct tgsi_declaration
    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
    unsigned Centroid    : 1;  /**< centroid sampling? */
    unsigned Invariant   : 1;  /**< invariant optimization? */
-   unsigned Padding     : 4;
+   unsigned CylindricalWrap:4;   /**< TGSI_CYLINDRICAL_WRAP_x flags */
 };
 
 struct tgsi_declaration_range
-- 
2.30.2