From d8c1d6bd9958940c4f764ae4ecc471ed832415ad Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Thu, 27 Jan 2005 12:53:07 +0000
Subject: Add more formats to test

---
 progs/demos/texdown.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/progs/demos/texdown.c b/progs/demos/texdown.c
index 5a5e155aae..79525a0395 100644
--- a/progs/demos/texdown.c
+++ b/progs/demos/texdown.c
@@ -62,6 +62,9 @@ static const struct FormatRec FormatTable[] = {
    { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGBA,        4    },
    { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGB,         4    },
    { GL_RGB,  GL_UNSIGNED_SHORT_5_6_5,     GL_RGB,         2    },
+   { GL_LUMINANCE, GL_UNSIGNED_BYTE,       GL_LUMINANCE,   1    },
+   { GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE_ALPHA,   2    },
+   { GL_ALPHA, GL_UNSIGNED_BYTE,           GL_ALPHA,       1    },
 };
 static GLint Format;
 
@@ -84,6 +87,12 @@ FormatStr(GLenum format)
          return "GL_RGBA";
       case GL_BGRA:
          return "GL_BGRA";
+      case GL_LUMINANCE:
+         return "GL_LUMINANCE";
+      case GL_LUMINANCE_ALPHA:
+         return "GL_LUMINANCE_ALPHA";
+      case GL_ALPHA:
+         return "GL_ALPHA";
       default:
          return "";
    }
@@ -317,6 +326,11 @@ Key(unsigned char key, int x, int y)
          Format = (Format + 1) % NUM_FORMATS;
          Mode = 0;
          break;
+      case 'F':
+         /* change format */
+         Format = (Format - 1) % NUM_FORMATS;
+         Mode = 0;
+         break;
       case 'p':
          /* toggle border */
          ScaleAndBias = !ScaleAndBias;
-- 
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