1 files changed, 191 insertions, 0 deletions

diff --git a/src/contrib/SDL-3.2.20/test/testasyncio.c b/src/contrib/SDL-3.2.20/test/testasyncio.c
new file mode 100644
index 0000000..5a9f719
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/test/testasyncio.c
@@ -0,0 +1,191 @@
+/*
+  Copyright (C) 1997-2025 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.
+*/
+
+#define SDL_MAIN_USE_CALLBACKS 1
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test.h>
+#include <SDL3/SDL_test_common.h>
+
+static SDL_Renderer *renderer = NULL;
+static SDL_Texture *texture = NULL;
+static SDL_AsyncIOQueue *queue = NULL;
+static SDLTest_CommonState *state = NULL;
+
+SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
+{
+    const char *base = NULL;
+    SDL_AsyncIO *asyncio = NULL;
+    char **bmps = NULL;
+    int bmpcount = 0;
+    int i;
+
+    SDL_srand(0);
+
+    /* Initialize test framework */
+    state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
+    if (!state) {
+        return SDL_APP_FAILURE;
+    }
+
+    /* Enable standard application logging */
+    SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
+
+    /* Parse commandline */
+    for (i = 1; i < argc;) {
+        int consumed = SDLTest_CommonArg(state, i);
+        if (consumed <= 0) {
+            static const char *options[] = {
+                NULL,
+            };
+            SDLTest_CommonLogUsage(state, argv[0], options);
+            SDL_Quit();
+            SDLTest_CommonDestroyState(state);
+            return 1;
+        }
+        i += consumed;
+    }
+
+    state->num_windows = 1;
+
+    /* Load the SDL library */
+    if (!SDLTest_CommonInit(state)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    SDL_SetLogPriorities(SDL_LOG_PRIORITY_VERBOSE);
+
+    renderer = state->renderers[0];
+    if (!renderer) {
+        /* SDL_Log("Couldn't create renderer: %s", SDL_GetError()); */
+        return SDL_APP_FAILURE;
+    }
+
+    texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STATIC, 512, 512);
+    if (!texture) {
+        SDL_Log("Couldn't create texture: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    } else {
+        static const Uint32 blank[512 * 512];
+        const SDL_Rect rect = { 0, 0, 512, 512 };
+        SDL_UpdateTexture(texture, &rect, blank, 512 * sizeof (Uint32));
+    }
+
+    queue = SDL_CreateAsyncIOQueue();
+    if (!queue) {
+        SDL_Log("Couldn't create async i/o queue: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    base = SDL_GetBasePath();
+    bmps = SDL_GlobDirectory(base, "*.bmp", SDL_GLOB_CASEINSENSITIVE, &bmpcount);
+    if (!bmps || (bmpcount == 0)) {
+        SDL_Log("No BMP files found.");
+        return SDL_APP_FAILURE;
+    }
+
+    for (i = 0; i < bmpcount; i++) {
+        char *path = NULL;
+        if (SDL_asprintf(&path, "%s%s", base, bmps[i]) < 0) {
+            SDL_free(path);
+        } else {
+            SDL_Log("Loading %s...", path);
+            SDL_LoadFileAsync(path, queue, path);
+        }
+    }
+
+    SDL_free(bmps);
+
+    SDL_Log("Opening asyncio.tmp...");
+    asyncio = SDL_AsyncIOFromFile("asyncio.tmp", "w");
+    if (!asyncio) {
+        SDL_Log("Failed!");
+        return SDL_APP_FAILURE;
+    }
+    SDL_WriteAsyncIO(asyncio, "hello", 0, 5, queue, "asyncio.tmp (write)");
+    SDL_CloseAsyncIO(asyncio, true, queue, "asyncio.tmp (flush/close)");
+
+    return SDL_APP_CONTINUE;
+}
+
+SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
+{
+    switch (event->type) {
+        case SDL_EVENT_QUIT:
+            return SDL_APP_SUCCESS;
+
+        default:
+            break;
+    }
+
+    return SDLTest_CommonEventMainCallbacks(state, event);
+}
+
+static void async_io_task_complete(const SDL_AsyncIOOutcome *outcome)
+{
+    const char *fname = (const char *) outcome->userdata;
+    const char *resultstr = "[unknown result]";
+
+    switch (outcome->result) {
+        #define RESCASE(x) case x: resultstr = #x; break
+        RESCASE(SDL_ASYNCIO_COMPLETE);
+        RESCASE(SDL_ASYNCIO_FAILURE);
+        RESCASE(SDL_ASYNCIO_CANCELED);
+        #undef RESCASE
+    }
+
+    SDL_Log("File '%s' async results: %s", fname, resultstr);
+
+    if (SDL_strncmp(fname, "asyncio.tmp", 11) == 0) {
+        return;
+    }
+
+    if (outcome->result == SDL_ASYNCIO_COMPLETE) {
+        SDL_Surface *surface = SDL_LoadBMP_IO(SDL_IOFromConstMem(outcome->buffer, (size_t) outcome->bytes_transferred), true);
+        if (surface) {
+            SDL_Surface *converted = SDL_ConvertSurface(surface, SDL_PIXELFORMAT_RGBA8888);
+            SDL_DestroySurface(surface);
+            if (converted) {
+                const SDL_Rect rect = { 50 + SDL_rand(512 - 100), 50 + SDL_rand(512 - 100), converted->w, converted->h };
+                SDL_UpdateTexture(texture, &rect, converted->pixels, converted->pitch);
+                SDL_DestroySurface(converted);
+            }
+        }
+    }
+
+    SDL_free(outcome->userdata);
+    SDL_free(outcome->buffer);
+}
+
+SDL_AppResult SDL_AppIterate(void *appstate)
+{
+    SDL_AsyncIOOutcome outcome;
+    if (SDL_GetAsyncIOResult(queue, &outcome)) {
+        async_io_task_complete(&outcome);
+    }
+
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+    SDL_RenderClear(renderer);
+    SDL_RenderTexture(renderer, texture, NULL, NULL);
+    SDL_RenderPresent(renderer);
+
+    return SDL_APP_CONTINUE;
+}
+
+void SDL_AppQuit(void *appstate, SDL_AppResult result)
+{
+    SDL_DestroyAsyncIOQueue(queue);
+    SDL_DestroyTexture(texture);
+    SDL_RemovePath("asyncio.tmp");
+    SDLTest_CommonQuit(state);
+}
+