diff options
Diffstat (limited to 'progs/tests/texobjshare.c')
| -rw-r--r-- | progs/tests/texobjshare.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/progs/tests/texobjshare.c b/progs/tests/texobjshare.c deleted file mode 100644 index 2b31cb6c4d3..00000000000 --- a/progs/tests/texobjshare.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Create several OpenGL rendering contexts, sharing textures, display - * lists, etc. Exercise binding, deleting, etc. - * - * Brian Paul - * 21 December 2004 - */ - - -#include <GL/gl.h> -#include <GL/glx.h> -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <X11/keysym.h> - - -/* - * Each display/window/context: - */ -struct context { - char DisplayName[1000]; - Display *Dpy; - Window Win; - GLXContext Context; -}; - - -#define MAX_CONTEXTS 200 -static struct context Contexts[MAX_CONTEXTS]; -static int NumContexts = 0; - - -static void -Error(const char *display, const char *msg) -{ - fprintf(stderr, "Error on display %s - %s\n", display, msg); - exit(1); -} - - -static struct context * -CreateContext(const char *displayName, const char *name) -{ - Display *dpy; - Window win; - GLXContext ctx; - int attrib[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - None }; - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - XVisualInfo *visinfo; - int width = 90, height = 90; - int xpos = 0, ypos = 0; - - if (NumContexts >= MAX_CONTEXTS) - return NULL; - - dpy = XOpenDisplay(displayName); - if (!dpy) { - Error(displayName, "Unable to open display"); - return NULL; - } - - scrnum = DefaultScreen(dpy); - root = RootWindow(dpy, scrnum); - - visinfo = glXChooseVisual(dpy, scrnum, attrib); - if (!visinfo) { - Error(displayName, "Unable to find RGB, double-buffered visual"); - return NULL; - } - - /* window attributes */ - xpos = (NumContexts % 10) * 100; - ypos = (NumContexts / 10) * 100; - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow(dpy, root, xpos, ypos, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr); - if (!win) { - Error(displayName, "Couldn't create window"); - return NULL; - } - - { - XSizeHints sizehints; - sizehints.x = xpos; - sizehints.y = ypos; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(dpy, win, &sizehints); - XSetStandardProperties(dpy, win, name, name, - None, (char **)NULL, 0, &sizehints); - } - - if (NumContexts == 0) { - ctx = glXCreateContext(dpy, visinfo, NULL, True); - } - else { - /* share textures & dlists with 0th context */ - ctx = glXCreateContext(dpy, visinfo, Contexts[0].Context, True); - } - if (!ctx) { - Error(displayName, "Couldn't create GLX context"); - return NULL; - } - - XMapWindow(dpy, win); - - if (!glXMakeCurrent(dpy, win, ctx)) { - Error(displayName, "glXMakeCurrent failed"); - return NULL; - } - - if (NumContexts == 0) { - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - } - - /* save the info for this context */ - { - struct context *h = &Contexts[NumContexts]; - strcpy(h->DisplayName, name); - h->Dpy = dpy; - h->Win = win; - h->Context = ctx; - NumContexts++; - return &Contexts[NumContexts-1]; - } -} - - -static void -MakeCurrent(int i) -{ - if (!glXMakeCurrent(Contexts[i].Dpy, Contexts[i].Win, Contexts[i].Context)) { - fprintf(stderr, "glXMakeCurrent failed!\n"); - } -} - - - -static void -DestroyContext(int i) -{ - XDestroyWindow(Contexts[i].Dpy, Contexts[i].Win); - glXDestroyContext(Contexts[i].Dpy, Contexts[i].Context); - XCloseDisplay(Contexts[i].Dpy); -} - - -int -main(int argc, char *argv[]) -{ - char *dpyName = NULL; - int i; - GLuint t; - GLint tb; - - for (i = 0; i < 2; i++) { - CreateContext(dpyName, "context"); - } - - /* Create texture and bind it in context 0 */ - MakeCurrent(0); - glGenTextures(1, &t); - printf("Generated texture ID %u\n", t); - assert(!glIsTexture(t)); - glBindTexture(GL_TEXTURE_2D, t); - assert(glIsTexture(t)); - glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb); - assert(tb == t); - - /* Bind texture in context 1 */ - MakeCurrent(1); - assert(glIsTexture(t)); - glBindTexture(GL_TEXTURE_2D, t); - glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb); - assert(tb == t); - - /* Delete texture from context 0 */ - MakeCurrent(0); - glDeleteTextures(1, &t); - assert(!glIsTexture(t)); - glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb); - printf("After delete, binding = %d\n", tb); - - /* Check texture state from context 1 */ - MakeCurrent(1); - assert(!glIsTexture(t)); - glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb); - printf("In second context, binding = %d\n", tb); - glBindTexture(GL_TEXTURE_2D, 0); - glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb); - assert(tb == 0); - - - for (i = 0; i < NumContexts; i++) { - DestroyContext(i); - } - - printf("Success!\n"); - - return 0; -} |