From 038c0c44d26a45554e3cc6257bc67d3fecb291cd Mon Sep 17 00:00:00 2001
From: Clément Sibille <clements@lisible.xyz>
Date: Sat, 15 Mar 2025 20:54:47 +0100
Subject: Initial commit

---
 src/platform_sdl.c | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/platform_sdl.c

(limited to 'src/platform_sdl.c')

diff --git a/src/platform_sdl.c b/src/platform_sdl.c
new file mode 100644
index 0000000..27ed4c3
--- /dev/null
+++ b/src/platform_sdl.c
@@ -0,0 +1,113 @@
+#include "log.h"
+#include "platform.h"
+#include "platform_sdl.h"
+
+bool vgltf_platform_init(struct vgltf_platform *platform) {
+  if (!SDL_Init(SDL_INIT_VIDEO)) {
+    VGLTF_LOG_ERR("SDL initialization failed: %s", SDL_GetError());
+    goto err;
+  }
+
+  constexpr char WINDOW_TITLE[] = "VisibleGLTF";
+  constexpr int WINDOW_WIDTH = 800;
+  constexpr int WINDOW_HEIGHT = 600;
+  SDL_Window *window = SDL_CreateWindow(WINDOW_TITLE, WINDOW_WIDTH,
+                                        WINDOW_HEIGHT, SDL_WINDOW_VULKAN);
+  if (!window) {
+    VGLTF_LOG_ERR("SDL window creation failed: %s", SDL_GetError());
+    goto quit_sdl;
+  }
+
+  platform->window = window;
+
+  return true;
+quit_sdl:
+  SDL_Quit();
+err:
+  return false;
+}
+void vgltf_platform_deinit(struct vgltf_platform *platform) {
+  SDL_DestroyWindow(platform->window);
+  SDL_Quit();
+}
+static enum vgltf_key vgltf_key_from_sdl_keycode(SDL_Keycode keycode) {
+  switch (keycode) {
+  case SDLK_A:
+    return VGLTF_KEY_A;
+  case SDLK_B:
+    return VGLTF_KEY_B;
+  case SDLK_C:
+    return VGLTF_KEY_C;
+  case SDLK_D:
+    return VGLTF_KEY_D;
+  case SDLK_E:
+    return VGLTF_KEY_E;
+  case SDLK_F:
+    return VGLTF_KEY_F;
+  case SDLK_G:
+    return VGLTF_KEY_G;
+  case SDLK_H:
+    return VGLTF_KEY_H;
+  case SDLK_I:
+    return VGLTF_KEY_I;
+  case SDLK_J:
+    return VGLTF_KEY_J;
+  case SDLK_K:
+    return VGLTF_KEY_K;
+  case SDLK_L:
+    return VGLTF_KEY_L;
+  case SDLK_M:
+    return VGLTF_KEY_M;
+  case SDLK_N:
+    return VGLTF_KEY_N;
+  case SDLK_O:
+    return VGLTF_KEY_O;
+  case SDLK_P:
+    return VGLTF_KEY_P;
+  case SDLK_Q:
+    return VGLTF_KEY_Q;
+  case SDLK_R:
+    return VGLTF_KEY_R;
+  case SDLK_S:
+    return VGLTF_KEY_S;
+  case SDLK_T:
+    return VGLTF_KEY_T;
+  case SDLK_U:
+    return VGLTF_KEY_U;
+  case SDLK_V:
+    return VGLTF_KEY_V;
+  case SDLK_W:
+    return VGLTF_KEY_W;
+  case SDLK_X:
+    return VGLTF_KEY_X;
+  case SDLK_Y:
+    return VGLTF_KEY_Y;
+  case SDLK_Z:
+    return VGLTF_KEY_Z;
+  case SDLK_ESCAPE:
+    return VGLTF_KEY_ESCAPE;
+  default:
+    return VGLTF_KEY_UNKNOWN;
+  }
+}
+bool vgltf_platform_poll_event(struct vgltf_platform *platform,
+                               struct vgltf_event *event) {
+  (void)platform;
+  SDL_Event sdl_event;
+  bool pending_events = SDL_PollEvent(&sdl_event);
+  if (pending_events) {
+    switch (sdl_event.type) {
+    case SDL_EVENT_QUIT:
+      event->type = VGLTF_EVENT_QUIT;
+      break;
+    case SDL_EVENT_KEY_DOWN:
+      event->type = VGLTF_EVENT_KEY_DOWN;
+      event->key.key = vgltf_key_from_sdl_keycode(sdl_event.key.key);
+      break;
+    default:
+      event->type = VGLTF_EVENT_UNKNOWN;
+      break;
+    }
+  }
+  return pending_events;
+}
-- 
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