From 394c1d1c53074f82d2664f655f948f8966f46b9d Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 20 Jun 2008 11:32:22 -0600
Subject: [PATCH] mesa: initial support for fixed-pt vertex arrays

---
 src/mesa/main/glheader.h  |  5 +++++
 src/mesa/main/mfeatures.h |  1 +
 src/mesa/main/varray.c    | 20 ++++++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h
index 602d6f56940..e155f5eb9f3 100644
--- a/src/mesa/main/glheader.h
+++ b/src/mesa/main/glheader.h
@@ -161,6 +161,11 @@
 #include "GL/glext.h"
 
 
+#ifndef GL_FIXED
+#define GL_FIXED 0x140C
+#endif
+
+
 #if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP)
 #define CAPI _cdecl
 #endif
diff --git a/src/mesa/main/mfeatures.h b/src/mesa/main/mfeatures.h
index 4e384b0b3be..6563bdd19f6 100644
--- a/src/mesa/main/mfeatures.h
+++ b/src/mesa/main/mfeatures.h
@@ -46,6 +46,7 @@
 #define FEATURE_drawpix  _HAVE_FULL_GL
 #define FEATURE_evaluators  _HAVE_FULL_GL
 #define FEATURE_feedback  _HAVE_FULL_GL
+#define FEATURE_fixedpt 0
 #define FEATURE_histogram  _HAVE_FULL_GL
 #define FEATURE_pixel_transfer  _HAVE_FULL_GL
 #define FEATURE_texgen  _HAVE_FULL_GL
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 67dd093f2a6..c27f1aa7b8c 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -116,6 +116,11 @@ _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
       case GL_DOUBLE:
          elementSize = size * sizeof(GLdouble);
          break;
+#if FEATURE_fixedpt
+      case GL_FIXED:
+         elementSize = size * sizeof(GLfixed);
+         break;
+#endif
       default:
          _mesa_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type)" );
          return;
@@ -161,6 +166,11 @@ _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
       case GL_DOUBLE:
          elementSize = 3 * sizeof(GLdouble);
          break;
+#if FEATURE_fixedpt
+      case GL_FIXED:
+         elementSize = 3 * sizeof(GLfixed);
+         break;
+#endif
       default:
          _mesa_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type)" );
          return;
@@ -219,6 +229,11 @@ _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
       case GL_DOUBLE:
          elementSize = size * sizeof(GLdouble);
          break;
+#if FEATURE_fixedpt
+      case GL_FIXED:
+         elementSize = size * sizeof(GLfixed);
+         break;
+#endif
       default:
          _mesa_error( ctx, GL_INVALID_ENUM, "glColorPointer(type)" );
          return;
@@ -400,6 +415,11 @@ _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
       case GL_DOUBLE:
          elementSize = size * sizeof(GLdouble);
          break;
+#if FEATURE_fixedpt
+      case GL_FIXED:
+         elementSize = size * sizeof(GLfixed);
+         break;
+#endif
       default:
          _mesa_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type)" );
          return;
-- 
2.30.2