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tests/mipmap_view: add linear/nearest key

This commit is contained in:
Keith Whitwell 2009-04-17 15:54:57 +01:00
parent c7c76ba561
commit 70588fc83c
1 changed files with 13 additions and 2 deletions
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15
progs/tests/mipmap_view.c
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@ -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);