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Press <space> to reset limit/bias values, clean-up limit/bias printf

This commit is contained in:
Brian Paul 2008-05-03 09:08:42 -06:00
parent 3837d401cc
commit bc57a7c9f7
1 changed files with 25 additions and 7 deletions
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32
progs/tests/mipmap_limits.c
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@ -59,6 +59,18 @@ static GLfloat LodBias = 0.0;
static GLboolean NearestFilter = GL_TRUE;
static void
InitValues(void)
{
BaseLevel = 0;
MaxLevel = 8;
MinLod = -1;
MaxLod = 9;
LodBias = 0.0;
NearestFilter = GL_TRUE;
}
static void MakeImage(int level, int width, int height, const GLubyte color[4])
{
const int makeStripes = 0;
@ -108,6 +120,8 @@ static void makeImages(void)
static void myinit(void)
{
InitValues();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_FLAT);
@ -125,7 +139,7 @@ static void myinit(void)
static void display(void)
{
GLfloat tcm = 4.0;
printf("BASE_LEVEL = %d MAX_LEVEL = %d MIN_LOD = %f MAX_LOD = %f Bias = %.2g filter = %s\n",
printf("BASE_LEVEL=%d MAX_LEVEL=%d MIN_LOD=%.2g MAX_LOD=%.2g Bias=%.2g Filter=%s\n",
BaseLevel, MaxLevel, MinLod, MaxLod, LodBias,
NearestFilter ? "NEAREST" : "LINEAR");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, BaseLevel);
@ -214,6 +228,9 @@ key(unsigned char k, int x, int y)
case 'f':
NearestFilter = !NearestFilter;
break;
case ' ':
InitValues();
break;
case 27: /* Escape */
exit(0);
break;
@ -227,12 +244,13 @@ key(unsigned char k, int x, int y)
static void usage(void)
{
printf("usage:\n");
printf(" b/B decrease/increase GL_TEXTURE_BASE_LEVEL\n");
printf(" m/M decrease/increase GL_TEXTURE_MAX_LEVEL\n");
printf(" n/N decrease/increase GL_TEXTURE_MIN_LOD\n");
printf(" x/X decrease/increase GL_TEXTURE_MAX_LOD\n");
printf(" l/L decrease/increase GL_TEXTURE_LOD_BIAS\n");
printf(" f toggle nearest/linear filtering\n");
printf(" b/B decrease/increase GL_TEXTURE_BASE_LEVEL\n");
printf(" m/M decrease/increase GL_TEXTURE_MAX_LEVEL\n");
printf(" n/N decrease/increase GL_TEXTURE_MIN_LOD\n");
printf(" x/X decrease/increase GL_TEXTURE_MAX_LOD\n");
printf(" l/L decrease/increase GL_TEXTURE_LOD_BIAS\n");
printf(" f toggle nearest/linear filtering\n");
printf(" SPACE reset values\n");
}