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#include "platform_sdl.h"
#include "log.h"
#include "platform.h"
bool vgltf_platform_init(struct vgltf_platform *platform) {
VGLTF_LOG_INFO("Initializing SDL platform...");
if (!SDL_Init(SDL_INIT_VIDEO)) {
VGLTF_LOG_ERR("SDL initialization failed: %s", SDL_GetError());
goto err;
}
platform->window = SDL_CreateWindow("vgltf", 800, 600, SDL_WINDOW_VULKAN);
if (!platform->window) {
VGLTF_LOG_ERR("Window creation failed: %s", SDL_GetError());
goto deinit_sdl;
}
VGLTF_LOG_INFO("SDL platform initialized");
return true;
deinit_sdl:
SDL_Quit();
err:
return false;
}
void vgltf_platform_deinit(struct vgltf_platform *platform) {
SDL_DestroyWindow(platform->window);
SDL_Quit();
VGLTF_LOG_INFO("SDL platform deinitialized");
}
#define VGLTF_GENERATE_SDL_KEYCODE_MAPPING(KEY) \
case SDLK_##KEY: \
return VGLTF_KEY_##KEY;
static enum vgltf_key vgltf_key_from_sdl_keycode(SDL_Keycode key_code) {
switch (key_code) {
VGLTF_FOREACH_KEY(VGLTF_GENERATE_SDL_KEYCODE_MAPPING)
default:
return VGLTF_KEY_UNKNOWN;
}
}
#undef VGLTF_GENERATE_SDL_KEYCODE_MAPPING
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;
}
bool vgltf_platform_get_window_size(struct vgltf_platform *platform,
struct vgltf_window_size *window_size) {
return SDL_GetWindowSize(platform->window, &window_size->width,
&window_size->height);
}
bool vgltf_platform_get_current_time_nanoseconds(long *time) {
if (!SDL_GetCurrentTime(time)) {
VGLTF_LOG_ERR("'SDL_GetCurrentTime failed: %s", SDL_GetError());
goto err;
}
return true;
err:
return false;
}
char *vgltf_platform_read_file_to_string(const char *filepath,
size_t *out_size) {
char *file_data = SDL_LoadFile(filepath, out_size);
if (!file_data) {
VGLTF_LOG_ERR("Couldn't load file: %s", SDL_GetError());
return NULL;
}
return file_data;
}
#include <SDL3/SDL_vulkan.h>
const char *const *
vgltf_platform_get_vulkan_instance_extensions(struct vgltf_platform *platform,
uint32_t *count) {
(void)platform;
return SDL_Vulkan_GetInstanceExtensions(count);
}
bool vgltf_platform_create_vulkan_surface(struct vgltf_platform *platform,
VkInstance instance,
VkSurfaceKHR *surface) {
return SDL_Vulkan_CreateSurface(platform->window, instance, nullptr, surface);
}
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