From 31bd01f93b0f5795e290897e79c3f16d90e1f202 Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Tue, 9 Oct 2007 14:36:14 -0600
Subject: [PATCH] New ATTRIB interpolation type for vertex program
 inputs/declarations.

---
 src/mesa/pipe/tgsi/exec/tgsi_build.c   | 2 +-
 src/mesa/pipe/tgsi/exec/tgsi_dump.c    | 6 ++++--
 src/mesa/pipe/tgsi/exec/tgsi_token.h   | 1 +
 src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/mesa/pipe/tgsi/exec/tgsi_build.c b/src/mesa/pipe/tgsi/exec/tgsi_build.c
index 78f648aae25..56827726f5c 100755
--- a/src/mesa/pipe/tgsi/exec/tgsi_build.c
+++ b/src/mesa/pipe/tgsi/exec/tgsi_build.c
@@ -294,7 +294,7 @@ tgsi_build_declaration_interpolation(
 {
    struct tgsi_declaration_interpolation di;
 
-   assert( interpolate <= TGSI_INTERPOLATE_PERSPECTIVE );
+   assert( interpolate <= TGSI_INTERPOLATE_ATTRIB );
 
    di = tgsi_default_declaration_interpolation();
    di.Interpolate = interpolate;
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_dump.c b/src/mesa/pipe/tgsi/exec/tgsi_dump.c
index c179659aee8..463f841dde0 100755
--- a/src/mesa/pipe/tgsi/exec/tgsi_dump.c
+++ b/src/mesa/pipe/tgsi/exec/tgsi_dump.c
@@ -189,14 +189,16 @@ static const char *TGSI_INTERPOLATES[] =
 {
    "INTERPOLATE_CONSTANT",
    "INTERPOLATE_LINEAR",
-   "INTERPOLATE_PERSPECTIVE"
+   "INTERPOLATE_PERSPECTIVE",
+   "INTERPOLATE_ATTRIB"
 };
 
 static const char *TGSI_INTERPOLATES_SHORT[] =
 {
    "CONSTANT",
    "LINEAR",
-   "PERSPECTIVE"
+   "PERSPECTIVE",
+   "ATTRIB"
 };
 
 static const char *TGSI_SEMANTICS[] =
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_token.h b/src/mesa/pipe/tgsi/exec/tgsi_token.h
index 8d5992facbf..80c3fcd4342 100644
--- a/src/mesa/pipe/tgsi/exec/tgsi_token.h
+++ b/src/mesa/pipe/tgsi/exec/tgsi_token.h
@@ -96,6 +96,7 @@ struct tgsi_declaration_mask
 #define TGSI_INTERPOLATE_CONSTANT      0
 #define TGSI_INTERPOLATE_LINEAR        1
 #define TGSI_INTERPOLATE_PERSPECTIVE   2
+#define TGSI_INTERPOLATE_ATTRIB        3  /**< Vertex shader input attrib */
 
 struct tgsi_declaration_interpolation
 {
diff --git a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
index e4a93cb60d7..88de85994a9 100644
--- a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
+++ b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
@@ -714,7 +714,7 @@ tgsi_mesa_compile_vp_program(
    for (i = 0; i < numInputs; i++) {
       struct tgsi_full_declaration fulldecl;
       fulldecl = make_input_decl(i,
-                                 TGSI_INTERPOLATE_CONSTANT, /* no interp */
+                                 TGSI_INTERPOLATE_ATTRIB,
                                  TGSI_WRITEMASK_XYZW,
                                  GL_FALSE, inputSemanticName[i],
                                  inputSemanticIndex[i]);
-- 
2.30.2