CCF_100/trans-glxgears-fork
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This commit is contained in:
Lexxy Fox 2023-11-02 11:56:11 -05:00
parent e970b2f661
commit a32edb4eec
3 changed files with 40 additions and 40 deletions
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1
.clang-format
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@ -13,6 +13,7 @@ ReflowComments: true
RemoveBracesLLVM: true
SortIncludes: CaseInsensitive
TabWidth: 2
ContinuationIndentWidth: 2
UseTab: AlignWithSpaces
# ex:se ft=yaml

4
Makefile
View File

@ -1,5 +1,5 @@
# Options (e.g. `CFLAGS=-DUSE_ARGP make`)
# USE_ARGP: use `argp` for argument parsing.
# Options (e.g. `CFLAGS=-DHAVE_ARGP make`)
# HAVE_ARGP: use `argp` for argument parsing.
VERSION ?= 9.0.1

73
glxgears.c
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@ -12,7 +12,7 @@
* Other modifications by Lexxy Fox.
*/
#ifdef USE_ARGP
#ifdef HAVE_ARGP
#include <argp.h>
#endif
#include <GL/gl.h>
@ -51,11 +51,11 @@ static GLfloat viewDist = 40.0;
**/
static void gear(
GLfloat inner_radius,
GLfloat outer_radius,
GLfloat width,
GLint teeth,
GLfloat tooth_depth
GLfloat inner_radius,
GLfloat outer_radius,
GLfloat width,
GLint teeth,
GLfloat tooth_depth
) {
GLint i;
GLfloat r0, r1, r2;
@ -81,7 +81,7 @@ static void gear(
if (i < teeth) {
glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
glVertex3f(
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5
);
}
}
@ -110,7 +110,7 @@ static void gear(
glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
if (i < teeth) {
glVertex3f(
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
);
glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
}
@ -124,10 +124,10 @@ static void gear(
angle = i * 2.0 * M_PI / teeth;
glVertex3f(
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
);
glVertex3f(
r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5
r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5
);
glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
@ -152,14 +152,14 @@ static void gear(
glNormal3f(cos(angle), sin(angle), 0.0);
glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
glVertex3f(
r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5
r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5
);
u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
glNormal3f(v, -u, 0.0);
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
glVertex3f(
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5
);
glNormal3f(cos(angle), sin(angle), 0.0);
}
@ -337,9 +337,9 @@ static void init_scene(void) {
gear1 = glGenLists(1);
glNewList(gear1, GL_COMPILE);
glMaterialfv(
GL_FRONT,
GL_AMBIENT_AND_DIFFUSE,
(const GLfloat[]){245.0 / 255, 169.0 / 255, 184.0 / 255, 1}
GL_FRONT,
GL_AMBIENT_AND_DIFFUSE,
(const GLfloat[]){245.0 / 255, 169.0 / 255, 184.0 / 255, 1}
);
gear(1.0, 4.0, 1.0, 20, 0.7);
glEndList();
@ -353,9 +353,9 @@ static void init_scene(void) {
gear3 = glGenLists(1);
glNewList(gear3, GL_COMPILE);
glMaterialfv(
GL_FRONT,
GL_AMBIENT_AND_DIFFUSE,
(const GLfloat[]){91.0 / 255, 206.0 / 255, 250.0 / 255, 1}
GL_FRONT,
GL_AMBIENT_AND_DIFFUSE,
(const GLfloat[]){91.0 / 255, 206.0 / 255, 250.0 / 255, 1}
);
gear(1.3, 2.0, 0.5, 10, 0.7);
glEndList();
@ -378,19 +378,18 @@ static void visible(int vis) {
static char *window_title = "Gears";
#ifdef USE_ARGP
#ifdef HAVE_ARGP
static const struct argp_option options[] = {
{"info", 256, 0, 0, "Display OpenGL renderer information"},
{"exit", 257, 0, 0, "Automatically exit after 30 seconds"},
{"noanim", 258, 0, 0, "Don't start animation"},
{"spin",
259,
"speed",
0,
"Set rotational speed in RPM (defaults to 11.666666667)"},
{"title", 260, "title", 0, "Set window title (defaults to \"Gears\")"},
{0}};
{"info", 256, 0, 0, "Display OpenGL renderer information"},
{"exit", 257, 0, 0, "Automatically exit after 30 seconds"},
{"noanim", 258, 0, 0, "Don't start animation"},
{"spin",
259,
"speed",
0,
"Set rotational speed in RPM (defaults to 11.666666667)"},
{"title", 260, "title", 0, "Set window title (defaults to \"Gears\")"},
{0}};
static error_t parse_opt(int key, char *val, struct argp_state *) {
switch (key) {
@ -414,12 +413,12 @@ static error_t parse_opt(int key, char *val, struct argp_state *) {
}
static const struct argp argp = {
options,
parse_opt,
0,
"The glxgears program is a port of the `gears` demo to GLX. It displays a "
"set of rotating gears and prints out the frame rate at regular intervals. "
"It has become quite popular as basic benchmarking tool."};
options,
parse_opt,
0,
"The glxgears program is a port of the `gears` demo to GLX. It displays a "
"set of rotating gears and prints out the frame rate at regular intervals. "
"It has become quite popular as basic benchmarking tool."};
#else
static void parse_args(int argc, char *argv[]) {
for (GLint i = 1; i < argc; i++)
@ -436,7 +435,7 @@ static void parse_args(int argc, char *argv[]) {
int main(int argc, char *argv[]) {
glutInit(&argc, argv);
#ifdef USE_ARGP
#ifdef HAVE_ARGP
argp_parse(&argp, argc, argv, ARGP_LONG_ONLY, 0, 0);
#else
parse_args(argc, argv);