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feat(gx): add incomplete 'CGxDeviceGLSDL' (#2)

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* chore(build): add vendored SDL 3.0.0 library

* chore(build): add vendored glew-cmake-2.2.0 library

* feat(console): in the presence of -opengl launch flag, change GxApi to OpenGl

* feat(gx): add uncompleted CGxDeviceGLSDL targeting Windows and Linux

* chore(build): change SDL3 linkage from shared (bad) to to static (good)
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phaneron 2023-11-18 10:50:16 -05:00 • committed by GitHub
parent 934e0fb600
commit 706c8903a1
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2043 changed files with 663533 additions and 5 deletions
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178
vendor/sdl-3.0.0/test/testrwlock.c vendored Normal file
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/*
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/* Test the thread and rwlock locking functions
Also exercises the system's signal/thread interaction
*/
#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h>
#include <SDL3/SDL_test.h>
static SDL_RWLock *rwlock = NULL;
static SDL_threadID mainthread;
static SDL_AtomicInt doterminate;
static int nb_threads = 6;
static SDL_Thread **threads;
static int worktime = 1000;
static int writerworktime = 100;
static int timeout = 10000;
static SDLTest_CommonState *state;
static void DoWork(const int workticks) /* "Work" */
{
const SDL_threadID tid = SDL_ThreadID();
const SDL_bool is_reader = tid != mainthread;
const char *typestr = is_reader ? "Reader" : "Writer";
SDL_Log("%s Thread %lu: ready to work\n", typestr, (unsigned long) tid);
if (is_reader) {
SDL_LockRWLockForReading(rwlock);
} else {
SDL_LockRWLockForWriting(rwlock);
}
SDL_Log("%s Thread %lu: start work!\n", typestr, (unsigned long) tid);
SDL_Delay(workticks);
SDL_Log("%s Thread %lu: work done!\n", typestr, (unsigned long) tid);
SDL_UnlockRWLock(rwlock);
/* If this sleep isn't done, then threads may starve */
SDL_Delay(10);
}
static int SDLCALL
ReaderRun(void *data)
{
SDL_Log("Reader Thread %lu: starting up", SDL_ThreadID());
while (!SDL_AtomicGet(&doterminate)) {
DoWork(worktime);
}
SDL_Log("Reader Thread %lu: exiting!\n", SDL_ThreadID());
return 0;
}
int main(int argc, char *argv[])
{
int i;
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, 0);
if (state == NULL) {
return 1;
}
SDL_AtomicSet(&doterminate, 0);
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Parse commandline */
for (i = 1; i < argc;) {
int consumed;
consumed = SDLTest_CommonArg(state, i);
if (!consumed) {
if (SDL_strcmp(argv[i], "--nbthreads") == 0) {
if (argv[i + 1]) {
char *endptr;
nb_threads = SDL_strtol(argv[i + 1], &endptr, 0);
if (endptr != argv[i + 1] && *endptr == '\0' && nb_threads > 0) {
consumed = 2;
}
}
} else if (SDL_strcmp(argv[i], "--worktime") == 0) {
if (argv[i + 1]) {
char *endptr;
worktime = SDL_strtol(argv[i + 1], &endptr, 0);
if (endptr != argv[i + 1] && *endptr == '\0' && worktime > 0) {
consumed = 2;
}
}
} else if (SDL_strcmp(argv[i], "--writerworktime") == 0) {
if (argv[i + 1]) {
char *endptr;
writerworktime = SDL_strtol(argv[i + 1], &endptr, 0);
if (endptr != argv[i + 1] && *endptr == '\0' && writerworktime > 0) {
consumed = 2;
}
}
} else if (SDL_strcmp(argv[i], "--timeout") == 0) {
if (argv[i + 1]) {
char *endptr;
timeout = (Uint64) SDL_strtol(argv[i + 1], &endptr, 0);
if (endptr != argv[i + 1] && *endptr == '\0' && timeout > 0) {
consumed = 2;
}
}
}
}
if (consumed <= 0) {
static const char *options[] = {
"[--nbthreads NB]",
"[--worktime ms]",
"[--writerworktime ms]",
"[--timeout ms]",
NULL,
};
SDLTest_CommonLogUsage(state, argv[0], options);
return 1;
}
i += consumed;
}
threads = SDL_malloc(nb_threads * sizeof(SDL_Thread*));
/* Load the SDL library */
if (SDL_Init(0) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "%s\n", SDL_GetError());
return 1;
}
SDL_AtomicSet(&doterminate, 0);
rwlock = SDL_CreateRWLock();
if (rwlock == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create rwlock: %s\n", SDL_GetError());
SDL_Quit();
SDLTest_CommonDestroyState(state);
return 1;
}
mainthread = SDL_ThreadID();
SDL_Log("Writer thread: %lu\n", mainthread);
for (i = 0; i < nb_threads; ++i) {
char name[64];
(void)SDL_snprintf(name, sizeof(name), "Reader%d", i);
threads[i] = SDL_CreateThread(ReaderRun, name, NULL);
if (threads[i] == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create reader thread! %s\n", SDL_GetError());
}
}
while (!SDL_AtomicGet(&doterminate) && (SDL_GetTicks() < ((Uint64) timeout))) {
DoWork(writerworktime);
}
SDL_AtomicSet(&doterminate, 1);
SDL_Log("Waiting on reader threads to terminate...");
for (i = 0; i < nb_threads; ++i) {
SDL_WaitThread(threads[i], NULL);
}
SDL_Log("Reader threads have terminated, quitting!");
SDL_DestroyRWLock(rwlock);
SDLTest_CommonDestroyState(state);
SDL_Quit();
return 0;
}