diff options
Diffstat (limited to 'progs/tests/sharedtex.c')
-rw-r--r-- | progs/tests/sharedtex.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/progs/tests/sharedtex.c b/progs/tests/sharedtex.c deleted file mode 100644 index ebe73f19f42..00000000000 --- a/progs/tests/sharedtex.c +++ /dev/null @@ -1,438 +0,0 @@ -/* $Id: sharedtex.c,v 1.2 2002/01/16 14:32:46 joukj Exp $ */ - -/* - * Test sharing of display lists and texture objects between GLX contests. - * Brian Paul - * Summer 2000 - * - * - * Copyright (C) 2000 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#include <GL/gl.h> -#include <GL/glx.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> - - -struct window { - char DisplayName[1000]; - Display *Dpy; - Window Win; - GLXContext Context; - float Angle; - int Id; -}; - - -#define MAX_WINDOWS 20 -static struct window Windows[MAX_WINDOWS]; -static int NumWindows = 0; - - -static GLuint Textures[3]; -static GLuint CubeList; - - - -static void -Error(const char *display, const char *msg) -{ - fprintf(stderr, "Error on display %s - %s\n", display, msg); - exit(1); -} - - -static struct window * -AddWindow(const char *displayName, int xpos, int ypos, - const struct window *shareWindow) -{ - Display *dpy; - Window win; - GLXContext ctx; - int attrib[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - GLX_DEPTH_SIZE, 1, - None }; - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - XVisualInfo *visinfo; - int width = 300, height = 300; - - if (NumWindows >= MAX_WINDOWS) - 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 */ - 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, displayName, displayName, - None, (char **)NULL, 0, &sizehints); - } - - - ctx = glXCreateContext(dpy, visinfo, - shareWindow ? shareWindow->Context : NULL, - True); - if (!ctx) { - Error(displayName, "Couldn't create GLX context"); - return NULL; - } - - XMapWindow(dpy, win); - - if (!glXMakeCurrent(dpy, win, ctx)) { - Error(displayName, "glXMakeCurrent failed"); - printf("glXMakeCurrent failed in Redraw()\n"); - return NULL; - } - - /* save the info for this window */ - { - static int id = 0; - struct window *h = &Windows[NumWindows]; - strcpy(h->DisplayName, displayName); - h->Dpy = dpy; - h->Win = win; - h->Context = ctx; - h->Angle = 0.0; - h->Id = id++; - NumWindows++; - return &Windows[NumWindows-1]; - } - -} - - -static void -InitGLstuff(struct window *h) -{ - if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) { - Error(h->DisplayName, "glXMakeCurrent failed in InitGLstuff"); - return; - } - - glGenTextures(3, Textures); - - /* setup first texture object */ - { - GLubyte image[16][16][4]; - GLint i, j; - glBindTexture(GL_TEXTURE_2D, Textures[0]); - - /* red/white checkerboard */ - for (i = 0; i < 16; i++) { - for (j = 0; j < 16; j++) { - if ((i ^ j) & 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] = 255; - image[i][j][1] = 0; - image[i][j][2] = 0; - image[i][j][3] = 255; - } - } - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - 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); - } - - /* setup second texture object */ - { - GLubyte image[8][8][3]; - GLint i, j; - glBindTexture(GL_TEXTURE_2D, Textures[1]); - - /* green/yellow checkerboard */ - for (i = 0; i < 8; i++) { - for (j = 0; j < 8; j++) { - if ((i ^ j) & 1) { - image[i][j][0] = 0; - image[i][j][1] = 255; - image[i][j][2] = 0; - } - else { - image[i][j][0] = 255; - image[i][j][1] = 255; - image[i][j][2] = 0; - } - } - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 2); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, - GL_UNSIGNED_BYTE, image); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - } - - /* setup second texture object */ - { - GLubyte image[4][4][3]; - GLint i, j; - glBindTexture(GL_TEXTURE_2D, Textures[2]); - - /* blue/gray checkerboard */ - for (i = 0; i < 4; i++) { - for (j = 0; j < 4; j++) { - if ((i ^ j) & 1) { - image[i][j][0] = 0; - image[i][j][1] = 0; - image[i][j][2] = 255; - } - else { - image[i][j][0] = 200; - image[i][j][1] = 200; - image[i][j][2] = 200; - } - } - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 2); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_RGB, - GL_UNSIGNED_BYTE, image); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - } - - /* Now make the cube object display list */ - CubeList = glGenLists(1); - glNewList(CubeList, GL_COMPILE); - { - glBindTexture(GL_TEXTURE_2D, Textures[0]); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); - glTexCoord2f(1, 0); glVertex3f(-1, 1, -1); - glTexCoord2f(1, 1); glVertex3f(-1, 1, 1); - glTexCoord2f(0, 1); glVertex3f(-1, -1, 1); - glEnd(); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(1, -1, -1); - glTexCoord2f(1, 0); glVertex3f(1, 1, -1); - glTexCoord2f(1, 1); glVertex3f(1, 1, 1); - glTexCoord2f(0, 1); glVertex3f(1, -1, 1); - glEnd(); - - glBindTexture(GL_TEXTURE_2D, Textures[1]); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -1); - glTexCoord2f(1, 1); glVertex3f( 1, -1, 1); - glTexCoord2f(0, 1); glVertex3f(-1, -1, 1); - glEnd(); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(-1, 1, -1); - glTexCoord2f(1, 0); glVertex3f( 1, 1, -1); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 1); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 1); - glEnd(); - - glBindTexture(GL_TEXTURE_2D, Textures[2]); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -1); - glTexCoord2f(1, 1); glVertex3f( 1, 1, -1); - glTexCoord2f(0, 1); glVertex3f(-1, 1, -1); - glEnd(); - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 1); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 1); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 1); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 1); - glEnd(); - } - glEndList(); - - printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION)); - printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR)); -} - - - -static void -Redraw(struct window *h) -{ - if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) { - Error(h->DisplayName, "glXMakeCurrent failed"); - printf("glXMakeCurrent failed in Redraw()\n"); - return; - } - - h->Angle += 1.0; - - glShadeModel(GL_FLAT); - glClearColor(0.25, 0.25, 0.25, 1.0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glEnable(GL_TEXTURE_2D); - glEnable(GL_DEPTH_TEST); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); - - glColor3f(1, 1, 1); - - glPushMatrix(); - if (h->Id == 0) - glRotatef(h->Angle, 0, 1, -1); - else if (h->Id == 1) - glRotatef(-(h->Angle), 0, 1, -1); - else if (h->Id == 2) - glRotatef(h->Angle, 0, 1, 1); - else if (h->Id == 3) - glRotatef(-(h->Angle), 0, 1, 1); - glCallList(CubeList); - glPopMatrix(); - - glXSwapBuffers(h->Dpy, h->Win); -} - - - -static void -Resize(const struct window *h, unsigned int width, unsigned int height) -{ - if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) { - Error(h->DisplayName, "glXMakeCurrent failed in Resize()"); - return; - } - glViewport(0, 0, width, height); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-1, 1, -1, 1, 2, 10); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0, 0, -3.5); -} - - - -static void -EventLoop(void) -{ - while (1) { - int i; - for (i = 0; i < NumWindows; i++) { - struct window *h = &Windows[i]; - while (XPending(h->Dpy) > 0) { - XEvent event; - XNextEvent(h->Dpy, &event); - if (event.xany.window == h->Win) { - switch (event.type) { - case Expose: - Redraw(h); - break; - case ConfigureNotify: - Resize(h, event.xconfigure.width, event.xconfigure.height); - break; - case KeyPress: - return; - default: - /*no-op*/ ; - } - } - else { - printf("window mismatch\n"); - } - } - Redraw(h); - } - usleep(1); - } -} - - - -static void -PrintInfo(const struct window *h) -{ - printf("Name: %s\n", h->DisplayName); - printf(" Display: 0x%x\n", h->Dpy); - printf(" Window: 0x%x\n", h->Win); - printf(" Context: 0x%x\n", h->Context); -} - - -int -main(int argc, char *argv[]) -{ - int i; - struct window *h0, *h1, *h2, *h3; - - /* four windows and contexts sharing display lists and texture objects */ - h0 = AddWindow(":0", 10, 10, NULL); - h1 = AddWindow(":0", 330, 10, h0); - h2 = AddWindow(":0", 10, 350, h0); - h3 = AddWindow(":0", 330, 350, h0); - - InitGLstuff(h0); - - EventLoop(); - return 0; -} |