278 lines
8.0 KiB
C
278 lines
8.0 KiB
C
/*
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* Copyright (c) 2013, NVIDIA CORPORATION.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* unaltered in all copies or substantial portions of the Materials.
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* Any additions, deletions, or changes to the original source files
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* must be clearly indicated in accompanying documentation.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#include <X11/Xlib.h>
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#include <GL/glx.h>
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#include <GL/gl.h>
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#include <dlfcn.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include "utils_misc.h"
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#include "test_utils.h"
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#include "glvnd_pthread.h"
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// For glMakeCurrentTestResults()
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#include "dummy/GLX_dummy.h"
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typedef struct TestOptionsRec {
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int iterations;
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int threads;
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} TestOptions;
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static void print_help(void)
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{
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const char *help_string =
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"Options: \n"
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" -h, --help Print this help message.\n"
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" -i<N>, --iterations=<N> Run N make current iterations in each thread \n"
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" -t<N>, --threads=<N> Run with N threads.\n";
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printf("%s", help_string);
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}
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void init_options(int argc, char **argv, TestOptions *t)
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{
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int c;
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static struct option long_options[] = {
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{ "help", no_argument, NULL, 'h'},
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{ "iterations", required_argument, NULL, 'i'},
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{ "threads", required_argument, NULL, 't'},
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{ NULL, no_argument, NULL, 0 }
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};
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// Initialize defaults
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t->iterations = 1;
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t->threads = 1;
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do {
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c = getopt_long(argc, argv, "hi:t:", long_options, NULL);
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switch (c) {
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case -1:
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default:
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break;
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case 'h':
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print_help();
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exit(0);
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break;
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case 'i':
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t->iterations = atoi(optarg);
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if (t->iterations < 1) {
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printError("1 or more iterations required!\n");
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print_help();
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exit(1);
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}
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break;
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case 't':
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t->threads = atoi(optarg);
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if (t->threads < 1) {
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printError("1 or more threads required!\n");
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print_help();
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exit(1);
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}
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break;
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}
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} while (c != -1);
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}
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void *MakeCurrentThread(void *arg)
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{
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struct window_info wi;
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PFNGLXMAKECURRENTTESTRESULTSPROC pMakeCurrentTestResults = NULL;
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GLXContext ctx = NULL;
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const GLfloat v[] = { 0, 0, 0 };
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GLboolean saw;
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GLContextCounts contextCounts = {};
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GLint BeginCount = 0;
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GLint EndCount = 0;
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GLint Vertex3fvCount = 0;
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int i;
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intptr_t ret = GL_FALSE;
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const TestOptions *t = (const TestOptions *)arg;
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Display *dpy;
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GLboolean success;
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memset(&wi, 0, sizeof(wi));
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dpy = XOpenDisplay(NULL);
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if (!dpy) {
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printError("No display! Please re-test with a running X server\n"
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"and the DISPLAY environment variable set appropriately.\n");
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goto fail;
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}
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// Make sure that libGLX has loaded the vendor library.
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glXGetClientString(dpy, GLX_EXTENSIONS);
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// Test the robustness of GetProcAddress() by calling this separately for
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// each thread.
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pMakeCurrentTestResults = (PFNGLXMAKECURRENTTESTRESULTSPROC)
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glXGetProcAddress((const GLubyte *) "glXMakeCurrentTestResults");
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if (pMakeCurrentTestResults == NULL) {
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printError("Failed to get glXMakeCurrentTestResults() function!\n");
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goto fail;
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}
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success = testUtilsCreateWindow(dpy, &wi, 0);
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if (!success) {
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printError("Failed to create window!\n");
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goto fail;
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}
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ctx = glXCreateContext(dpy, wi.visinfo, NULL, True);
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if (!ctx) {
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printError("Failed to create a context!\n");
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goto fail;
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}
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for (i = 0; i < t->iterations; i++) {
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if (!glXMakeContextCurrent(dpy, wi.draw, wi.draw, ctx)) {
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printError("Failed to make current!\n");
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goto fail;
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}
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glBegin(GL_TRIANGLES); BeginCount++;
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glVertex3fv(v); Vertex3fvCount++;
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glVertex3fv(v); Vertex3fvCount++;
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glVertex3fv(v); Vertex3fvCount++;
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glEnd(); EndCount++;
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// Make a call to glXMakeCurrentTestResults() to get the function contextCounts.
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saw = GL_FALSE;
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memset(&contextCounts, 0, sizeof(contextCounts));
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pMakeCurrentTestResults(&saw, &contextCounts);
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if (!saw) {
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printError("Failed to dispatch glXMakeCurrentTestResults()!\n");
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goto fail;
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}
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// Verify we have the right function contextCounts
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if ((contextCounts.beginCount != BeginCount) ||
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(contextCounts.vertex3fvCount != Vertex3fvCount) ||
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(contextCounts.endCount != EndCount)) {
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printError("Mismatch of reported function call contextCounts "
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"between the application and vendor library!\n");
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goto fail;
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}
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if (!glXMakeContextCurrent(dpy, None, None, NULL)) {
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printError("Failed to lose current!\n");
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goto fail;
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}
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// Try calling functions here. These should dispatch to NOP stubs
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// (hence the call to glVertex3fv shouldn't crash).
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glBegin(GL_TRIANGLES);
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glVertex3fv(NULL);
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glEnd();
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// Similarly the call to the dynamic function glXMakeCurrentTestResults()
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// should be a no-op.
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saw = GL_FALSE;
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pMakeCurrentTestResults(&saw, &contextCounts);
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if (saw) {
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printError("Dynamic function glXMakeCurrentTestResults() dispatched "
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"to vendor library even though no context was current!\n");
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goto fail;
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}
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}
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// Success!
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ret = GL_TRUE;
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fail:
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if (dpy != NULL) {
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if (ctx) {
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glXDestroyContext(dpy, ctx);
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}
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testUtilsDestroyWindow(dpy, &wi);
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XCloseDisplay(dpy);
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}
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return (void *)ret;
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}
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int main(int argc, char **argv)
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{
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/*
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* Try creating a context, making current to it, and calling GL functions
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* while the context is current.
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*/
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TestOptions t;
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int i;
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void *ret;
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int all_ret = 0;
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init_options(argc, argv, &t);
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if (t.threads > 1) {
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XInitThreads();
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glvndSetupPthreads();
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if (__glvndPthreadFuncs.is_singlethreaded) {
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exit(1);
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}
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}
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if (t.threads == 1) {
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ret = MakeCurrentThread((void *)&t);
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if (!ret) {
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all_ret = 1;
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}
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} else {
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glvnd_thread_t *threads = malloc(t.threads * sizeof(glvnd_thread_t));
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for (i = 0; i < t.threads; i++) {
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if (__glvndPthreadFuncs.create(&threads[i], NULL, MakeCurrentThread, (void *)&t)
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!= 0) {
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printError("Error in pthread_create(): %s\n", strerror(errno));
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exit(1);
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}
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}
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for (i = 0; i < t.threads; i++) {
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if (__glvndPthreadFuncs.join(threads[i], &ret) != 0) {
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printError("Error in pthread_join(): %s\n", strerror(errno));
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exit(1);
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}
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if (!ret) {
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all_ret = 1;
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}
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}
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free(threads);
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}
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return all_ret;
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}
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