Mesa (master): tests/mipmap_view: add linear/nearest key

[Keith Whitwell]

Module: Mesa
Branch: master
Commit: 70588fc83c5aa75754f7b090a63727f4791618ed
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=70588fc83c5aa75754f7b090a63727f4791618ed

Author: Keith Whitwell <keithw at vmware.com>
Date:   Fri Apr 17 15:54:57 2009 +0100

tests/mipmap_view:  add linear/nearest key

---

 progs/tests/mipmap_view.c |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/progs/tests/mipmap_view.c b/progs/tests/mipmap_view.c
index 16f3584..85fc67a 100644
--- a/progs/tests/mipmap_view.c
+++ b/progs/tests/mipmap_view.c
@@ -22,6 +22,7 @@ static int TexWidth = 256, TexHeight = 256;
 static int WinWidth = 1044, WinHeight = 900;
 static GLfloat Bias = 0.0;
 static GLboolean ScaleQuads = GL_FALSE;
+static GLboolean Linear = GL_FALSE;
 static GLint Win = 0;
 
 
@@ -53,6 +54,15 @@ Display(void)
    
    glColor3f(1,1,1);
 
+   if (Linear) {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   }
+   else {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+
    y = WinHeight - 300;
    x = 4;
 
@@ -132,6 +142,9 @@ Key(unsigned char key, int x, int y)
       case 'B':
          Bias += 10;
          break;
+      case 'l':
+         Linear = !Linear;
+         break;
       case '0':
       case '1':
       case '2':
@@ -222,8 +235,6 @@ Init(void)
 
 
    /* mipmapping required for this extension */
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 
    glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias);