diff options
Diffstat (limited to 'progs/miniglx/miniglxtest.c')
| -rw-r--r-- | progs/miniglx/miniglxtest.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/progs/miniglx/miniglxtest.c b/progs/miniglx/miniglxtest.c deleted file mode 100644 index 85c25be4ed..0000000000 --- a/progs/miniglx/miniglxtest.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * Test the mini GLX interface. - */ - - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <GL/gl.h> -#define USE_MINI_GLX 1 -#if USE_MINI_GLX -#include <GL/miniglx.h> -#else -#include <GL/glx.h> -#endif - -static GLXContext ctx; - -static GLuint NumFrames = 100; -static GLuint NumDisplays = 1; -static GLboolean Texture = GL_FALSE; -static GLboolean SingleBuffer = GL_FALSE; -static GLboolean Sleeps = GL_TRUE; - - -static void -rect(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) -{ - glBegin(GL_QUADS); - glTexCoord2f(0, 0); glColor3f(0, 0, 1); glVertex2f(x1, y1); - glTexCoord2f(1, 0); glColor3f(1, 0, 0); glVertex2f(x2, y1); - glTexCoord2f(1, 1); glColor3f(0, 1, 0); glVertex2f(x2, y2); - glTexCoord2f(0, 1); glColor3f(0, 0, 0); glVertex2f(x1, y2); - glEnd(); -} - - -static void -redraw(Display *dpy, Window w, int rot) -{ - GLfloat a; - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glPushMatrix(); - glRotatef(rot, 0, 0, 1); - glScalef(.5, .5, .5); - for (a = 0.0; a < 360.0; a += 30.0) { - glPushMatrix(); - glRotatef(a, 0, 0, 1); - glRotatef(40, 1, 0, 0); - glColor3f(a / 360.0, 1-a/360.0, 0); - rect(0.3, -0.25, 1.5, 0.25); - glPopMatrix(); - } - glPopMatrix(); - - if (SingleBuffer) - glFlush(); - else - glXSwapBuffers(dpy, w); -} - - -static Window -make_window(Display *dpy, unsigned int width, unsigned int height) -{ - int attrib_single[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DEPTH_SIZE, 1, - None }; - int attrib_double[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DEPTH_SIZE, 1, - GLX_DOUBLEBUFFER, - None }; - int *attrib = SingleBuffer ? attrib_single : attrib_double; - int scrnum = 0; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - XVisualInfo *visinfo; - - root = RootWindow(dpy, scrnum); - - if (!(visinfo = glXChooseVisual(dpy, scrnum, attrib))) { - printf("Error: couldn't get an RGB, Double-buffered visual\n"); - exit(1); - } - - if (!(ctx = glXCreateContext(dpy, visinfo, NULL, True))) { - printf("Error: glXCreateContext failed\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow(dpy, root, 0, 0, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr); - if (!win) { - printf("Error: XCreateWindow failed\n"); - exit(1); - } - - glXMakeCurrent(dpy, win, ctx); - - glViewport(0, 0, width, height); - - return win; -} - - -static void -event_loop(Display *dpy, Window win) -{ - int i; - - printf("Drawing %d frames\n", NumFrames); - - for (i = 0; i < NumFrames; i++) { - redraw(dpy, win, -i*2); - if (Sleeps) { - usleep(20000); - } - } -} - - -static int -runtest(void) -{ - Display *dpy; - Window win; - - dpy = XOpenDisplay(NULL); - if (!dpy) { - printf("Error: XOpenDisplay failed\n"); - return 1; - } - - win = make_window(dpy, 800, 600); - - srand(getpid()); - - /* init GL state */ - glClearColor(0.5, 0.5, 0.5, 1.0); - glEnable(GL_DEPTH_TEST); - if (Texture) { - GLubyte image[16][16][4]; - GLint i, j; - for (i = 0; i < 16; i++) { - for (j = 0; j < 16; j++) { - if (((i / 2) ^ (j / 2)) & 1) { - image[i][j][0] = 255; - image[i][j][1] = 255; - image[i][j][2] = 255; - image[i][j][3] = 255; - } - else { - image[i][j][0] = 128; - image[i][j][1] = 128; - image[i][j][2] = 128; - image[i][j][3] = 128; - } - } - } - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, - GL_RGBA, GL_UNSIGNED_BYTE, image); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glEnable(GL_TEXTURE_2D); - } - if (SingleBuffer) { - glDrawBuffer(GL_FRONT); - glReadBuffer(GL_FRONT); - } - else { - glDrawBuffer(GL_BACK); - } - - XMapWindow(dpy, win); - - /* wait for window to get mapped */ - { - XEvent e; - while (1) { - XNextEvent(dpy, &e); - if (e.type == MapNotify && e.xmap.window == win) { - break; - } - } - } - - event_loop(dpy, win); - - glXDestroyContext(dpy, ctx); - XDestroyWindow(dpy, win); - - XCloseDisplay(dpy); - - return 0; -} - - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" -f N render N frames (default %d)\n", NumFrames); - printf(" -d N do N display cycles\n"); - printf(" -t texturing\n"); - printf(" -s single buffering\n"); - printf(" -n no usleep() delay\n"); -} - - -static void -parse_args(int argc, char *argv[]) -{ - int i; - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-f") == 0) { - NumFrames = atoi(argv[i + 1]); - i++; - } - else if (strcmp(argv[i], "-d") == 0) { - NumDisplays = atoi(argv[i + 1]); - i++; - } - else if (strcmp(argv[i], "-n") == 0) { - Sleeps = GL_FALSE; - } - else if (strcmp(argv[i], "-s") == 0) { - SingleBuffer = GL_TRUE; - } - else if (strcmp(argv[i], "-t") == 0) { - Texture = GL_TRUE; - } - else { - usage(); - exit(1); - } - } -} - - -int -main(int argc, char *argv[]) -{ - int i; - - parse_args(argc, argv); - - for (i = 0; i < NumDisplays; i++) { - if (runtest() != 0) - break; - } - - return 0; -} |