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better FPS calculation

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This commit is contained in:
Brian Paul
2000-09-12 18:44:45 +00:00
parent b8cc150836
commit d49b34a233
7 changed files with 93 additions and 165 deletions
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40
progs/demos/fire.c
View File

@@ -71,7 +71,9 @@ static int fullscreen = 1;
static int WIDTH = 640;
static int HEIGHT = 480;
#define FRAME 50
static GLint T0 = 0;
static GLint Frames = 0;
#define DIMP 20.0
#define DIMTP 16.0
@@ -136,21 +138,6 @@ static float v = 0.0;
static float alpha = -90.0;
static float beta = 90.0;
static float
gettime(void)
{
static clock_t told = 0;
clock_t tnew, ris;
tnew = clock();
ris = tnew - told;
told = tnew;
return (ris / (float) CLOCKS_PER_SEC);
}
static float
vrnd(void)
{
@@ -387,10 +374,8 @@ dojoy(void)
static void
drawfire(void)
{
static int count = 0;
static char frbuf[80];
static char frbuf[80] = "";
int j;
float fr;
dojoy();
@@ -468,11 +453,6 @@ drawfire(void)
}
glEnd();
if ((count % FRAME) == 0) {
fr = gettime();
sprintf(frbuf, "Frame rate: %f", FRAME / fr);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_ALPHA_TEST);
glDisable(GL_DEPTH_TEST);
@@ -499,7 +479,17 @@ drawfire(void)
glutSwapBuffers();
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}

37
progs/demos/ipers.c
View File

@@ -28,6 +28,9 @@ static int fullscreen = 1;
static int WIDTH = 640;
static int HEIGHT = 480;
static GLint T0;
static GLint Frames;
#define MAX_LOD 9
#define TEX_SKY_WIDTH 256
@@ -195,21 +198,6 @@ inittextures(void)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
static float
gettime(void)
{
static clock_t told = 0;
clock_t tnew, ris;
tnew = clock();
ris = tnew - told;
told = tnew;
return (ris / (float) CLOCKS_PER_SEC);
}
static void
calcposobs(void)
{
@@ -544,11 +532,10 @@ drawipers(int depth, int from)
static void
draw(void)
{
static int count = 0;
static char frbuf[80];
static char frbuf[80] = "";
static GLfloat alpha = 0.0f;
static GLfloat beta = 0.0f;
float fr;
static float fr = 0.0;
dojoy();
@@ -610,10 +597,9 @@ draw(void)
/* Help Screen */
fr = gettime();
sprintf(frbuf,
"Frame rate: %0.2f LOD: %d Tot. poly.: %d Poly/sec: %.1f",
1.0 / fr, LODbias, totpoly, totpoly / fr);
fr, LODbias, totpoly, totpoly * fr);
glDisable(GL_TEXTURE_2D);
glDisable(GL_FOG);
@@ -644,7 +630,16 @@ draw(void)
glutSwapBuffers();
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
fr = Frames / seconds;
T0 = t;
Frames = 0;
}
}
}
int

39
progs/demos/ray.c
View File

@@ -24,7 +24,8 @@ static int fullscreen = 1;
static int WIDTH = 640;
static int HEIGHT = 480;
#define FRAME 50
static GLint T0 = 0;
static GLint Frames = 0;
#define BASESIZE 7.5f
#define SPHERE_RADIUS 0.75f
@@ -94,21 +95,6 @@ static int showreflectmap = 1;
static int joyavailable = 0;
static int joyactive = 0;
static float
gettime(void)
{
static float told = 0.0f;
float tnew, ris;
tnew = glutGet(GLUT_ELAPSED_TIME);
ris = tnew - told;
told = tnew;
return ris / 1000.0;
}
static void
calcposobs(void)
{
@@ -622,9 +608,7 @@ updatemaps(void)
static void
draw(void)
{
static int count = 0;
static char frbuf[80];
float fr;
static char frbuf[80] = "";
dojoy();
@@ -657,11 +641,6 @@ draw(void)
glPopMatrix();
if ((count % FRAME) == 0) {
fr = gettime();
sprintf(frbuf, "Frame rate: %f", FRAME / fr);
}
glDisable(GL_DEPTH_TEST);
glDisable(GL_FOG);
@@ -746,7 +725,17 @@ draw(void)
glutSwapBuffers();
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}
static void

39
progs/demos/teapot.c
View File

@@ -27,7 +27,8 @@ static int fullscreen=1;
static int WIDTH=640;
static int HEIGHT=480;
#define FRAME 50
static GLint T0 = 0;
static GLint Frames = 0;
#define BASESIZE 10.0
@@ -65,20 +66,6 @@ static int joyactive=0;
static GLuint t1id,t2id;
static GLuint teapotdlist,basedlist,lightdlist;
static float gettime(void)
{
static clock_t told=0;
clock_t tnew,ris;
tnew=clock();
ris=tnew-told;
told=tnew;
return(ris/(float)CLOCKS_PER_SEC);
}
static void calcposobs(void)
{
dir[0]=sin(alpha*M_PI/180.0);
@@ -339,9 +326,7 @@ static void dojoy(void)
static void draw(void)
{
static int count=0;
static char frbuf[80];
float fr;
static char frbuf[80] = "";
dojoy();
@@ -375,11 +360,6 @@ static void draw(void)
drawlight2();
glPopMatrix();
if((count % FRAME)==0) {
fr=gettime();
sprintf(frbuf,"Frame rate: %f",FRAME/fr);
}
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
@@ -405,7 +385,18 @@ static void draw(void)
glutSwapBuffers();
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}
static void inittextures(void)

43
progs/demos/terrain.c
View File

@@ -38,9 +38,10 @@ static int fullscreen = 1;
#define WIDTH 640
#define HEIGHT 480
#define TSCALE 4
static GLint T0 = 0;
static GLint Frames = 0;
#define FRAME 50
#define TSCALE 4
#define FOV 85
@@ -71,21 +72,6 @@ static float v = 15.0;
static float alpha = 75.0;
static float beta = 90.0;
static float
gettime(void)
{
static clock_t told = 0;
clock_t tnew, ris;
tnew = clock();
ris = tnew - told;
told = tnew;
return (ris / (float) CLOCKS_PER_SEC);
}
static void
calcposobs(void)
{
@@ -360,9 +346,7 @@ dojoy(void)
static void
drawscene(void)
{
static int count = 0;
static char frbuf[80];
float fr;
static char frbuf[80] = "";
dojoy();
@@ -391,11 +375,6 @@ drawscene(void)
drawterrain();
glPopMatrix();
if ((count % FRAME) == 0) {
fr = gettime();
sprintf(frbuf, "Frame rate: %.3f", FRAME / fr);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_FOG);
@@ -424,7 +403,17 @@ drawscene(void)
glutSwapBuffers();
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}
static void
@@ -558,7 +547,7 @@ loadpic(void)
GLenum gluerr;
if ((FilePic = fopen("terrain.dat", "r")) == NULL) {
fprintf(stderr, "Error loading Mnt.bin\n");
fprintf(stderr, "Error loading terrain.dat\n");
exit(-1);
}
fread(bufferter, 256 * 256, 1, FilePic);

18
progs/demos/tunnel.c
View File

@@ -155,21 +155,6 @@ drawobjs(int *l, float *f)
}
}
static float
gettime(void)
{
static clock_t told = 0;
clock_t tnew, ris;
tnew = clock();
ris = tnew - told;
told = tnew;
return (ris / (float) CLOCKS_PER_SEC);
}
static void
calcposobs(void)
{
@@ -369,7 +354,7 @@ draw(void)
{
static char frbuf[80] = "";
int i;
float fr, base, offset;
float base, offset;
dojoy();
@@ -445,7 +430,6 @@ draw(void)
glutSwapBuffers();
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {

42
progs/demos/tunnel2.c
View File

@@ -40,7 +40,8 @@ static int HEIGHTC0 = 480;
static int WIDTHC1 = 640;
static int HEIGHTC1 = 480;
#define FRAME 50
static GLint T0 = 0;
static GLint Frames = 0;
#define NUMBLOC 5
@@ -167,21 +168,6 @@ drawobjs(int *l, float *f)
}
}
static float
gettime(void)
{
static clock_t told = 0;
clock_t tnew, ris;
tnew = clock();
ris = tnew - told;
told = tnew;
return (ris / (float) CLOCKS_PER_SEC);
}
static void
calcposobs(void)
{
@@ -409,10 +395,9 @@ dojoy(void)
static void
draw(void)
{
static int count = 0;
static char frbuf[80];
static char frbuf[80] = "";
int i;
float fr, base, offset;
float base, offset;
dojoy();
@@ -461,11 +446,6 @@ draw(void)
glPopMatrix();
glPopMatrix();
if ((count % FRAME) == 0) {
fr = gettime();
sprintf(frbuf, "Frame rate: %f", FRAME / fr);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_FOG);
glShadeModel(GL_FLAT);
@@ -492,7 +472,17 @@ draw(void)
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
count++;
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}
static void
@@ -564,7 +554,7 @@ main(int ac, char **av)
glutInitWindowSize(WIDTHC0, HEIGHTC0);
glutInit(&ac, av);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_ALPHA);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
#ifdef FX
if (!fxMesaSelectCurrentBoard(0)) {