From 05f71170dcdf17cd39880346cbe7fed04faf686b Mon Sep 17 00:00:00 2001
From: Warwick <warwick.l.e.new@gmail.com>
Date: Thu, 12 Jun 2025 17:38:36 +0100
Subject: [PATCH] Got a simple sdl3 window.

---
 meson.build |  14 -------
 src/main.c  | 104 +++++++++++++++-------------------------------------
 2 files changed, 30 insertions(+), 88 deletions(-)

diff --git a/meson.build b/meson.build
index 078e774..31f3a69 100644
--- a/meson.build
+++ b/meson.build
@@ -6,20 +6,6 @@ sdl3_deps = [dependency('sdl3'), dependency('sdl3_image')]
 cglm_dep = dependency('cglm')
 wgpu_native_dep = dependency('wgpu-native')
 
-pkg = import('pkgconfig')
-#wgpu_native_dep = dependency('wgpu-native', fallback: ['wgpu-native','webgpunative_dep'])
-
-
-#cmake = import('cmake')
-#dawn_cmakeopts = cmake.subproject_options()
-#dawn_cmakeopts.add_cmake_defines({'DAWN_FETCH_DEPENDENCIES': 'ON'})
-#dawn_cmakeopts.add_cmake_defines({'DAWN_ENABLE_INSTALL': 'ON'})
-#dawn_cmakeopts.add_cmake_defines({'CMAKE_BUILD_TYPE': 'Release'})
-
-#dawn = cmake.subproject('dawn', options: dawn_cmakeopts)
-##message('CMake targets:\n - ' + '\n - '.join(dawn.target_list()))
-#webgpu_dawn_dep = dawn.dependency('webgpu_dawn')
-
 executable('webgpu', 'src/main.c',
   win_subsystem: 'windows',
   dependencies: [sdl3_deps, cglm_dep, wgpu_native_dep, vulkan_dep]
diff --git a/src/main.c b/src/main.c
index 0b80650..d2fcc71 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,84 +1,40 @@
-#include <SDL3/SDL.h>
-#include <SDL3/SDL_video.h>
-#include <SDL3/SDL_vulkan.h>
-#include <assert.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <vulkan/vulkan.h>
-#include <vulkan/vulkan_core.h>
-#include <webgpu/webgpu.h>
+#include "SDL3/SDL_init.h"
+#include "SDL3/SDL_log.h"
+#include "SDL3/SDL_render.h"
+#include "SDL3/SDL_video.h"
 
-static void OnRequestAdapter(WGPURequestAdapterStatus status,
-                             WGPUAdapter adapter, WGPUStringView message,
-                             void *userdata1, void *userdata2) {
-  // TODO handle messages and errors better
-  if (status != WGPURequestAdapterStatus_Success) {
-    printf("%s", message.data);
-  }
-  assert(status == WGPURequestAdapterStatus_Success);
+int main(int argc, char *argv[]) {
+  SDL_Window *window;
+  SDL_Renderer *renderer;
+  SDL_Event event;
 
-  WGPUAdapter *result = userdata1;
-  if (*result == NULL) {
-    *result = adapter;
-  }
-}
-
-void requestAdapterSync(WGPUInstance instance,
-                        WGPURequestAdapterOptions const *options,
-                        WGPUAdapter *adapter) {
-
-  WGPURequestAdapterCallbackInfo info = {.mode = WGPUCallbackMode_WaitAnyOnly,
-                                         .callback = &OnRequestAdapter,
-                                         .userdata1 = adapter};
-  WGPUFuture future = wgpuInstanceRequestAdapter(instance, options, info);
-  WGPUFutureWaitInfo wait = {
-      .future = future,
-  };
-  WGPUWaitStatus status = wgpuInstanceWaitAny(instance, 1, &wait, 0);
-  assert(status == WGPUWaitStatus_Success);
-  assert(adapter);
-}
-
-int main() {
-  SDL_Window *window = NULL;
-  if (SDL_Init(SDL_INIT_VIDEO) != 0) {
-    fprintf(stderr, "SDL failed to initialise: %s\n", SDL_GetError());
-    return 1;
-  }
-  window = SDL_CreateWindow("SDL3 Example", 800, 600, SDL_WINDOW_VULKAN);
-  if (window == NULL) {
-    fprintf(stderr, "SDL window failed to initialise: %s\n", SDL_GetError());
-    return 1;
+  if (!SDL_Init(SDL_INIT_VIDEO)) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s",
+                 SDL_GetError());
+    return 3;
   }
 
-  const char *driver = SDL_GetCurrentVideoDriver();
-  printf("Driver: %s\n", driver);
-
-  // We create a descriptor
-  WGPUInstanceDescriptor desc = {};
-  desc.nextInChain = NULL;
-
-  // We create the instance using this descriptor
-  WGPUInstance instance = wgpuCreateInstance(&desc);
-  //
-  // We can check whether there is actually an instance created
-  if (!instance) {
-    printf("Could not initialize WebGPU!\n");
-    return 1;
+  if (!SDL_CreateWindowAndRenderer("Hello SDL3", 320, 240, SDL_WINDOW_RESIZABLE,
+                                   &window, &renderer)) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "Couldn't create window and renderer: %s", SDL_GetError());
+    return 3;
   }
 
-  // Display the object (WGPUInstance is a simple pointer, it may be
-  // copied around without worrying about its size).
-  printf("WGPU instance: %p\n", instance);
+  while (1) {
+    SDL_PollEvent(&event);
+    if (event.type == SDL_EVENT_QUIT) {
+      break;
+    }
+    SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);
+    SDL_RenderClear(renderer);
+    SDL_RenderPresent(renderer);
+  }
 
-  printf("Requesting Adapter.\n");
-  WGPUAdapter adapter = NULL;
-  WGPURequestAdapterOptions adapterOpts = {0};
-  requestAdapterSync(instance, &adapterOpts, &adapter);
-  printf("Got Adapter: %p\n", &adapter);
+  SDL_DestroyRenderer(renderer);
+  SDL_DestroyWindow(window);
+
+  SDL_Quit();
 
-  // Cleanup
-  wgpuAdapterRelease(adapter);
-  wgpuInstanceRelease(instance);
   return 0;
 }