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// Define the structure of the jumptable
typedef struct SDL_DYNAPI_table {
    #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) rc (SDLCALL *fn) params;
    #include "SDL_dynapi_procs.h" // You get this from the SDL3 source code
    #undef SDL_DYNAPI_PROC
} SDL_DYNAPI_table;

static SDL_DYNAPI_table sdl3_table;

typedef Sint32 (SDLCALL *SDL_DYNAPI_ENTRY_FUNC)(Uint32 apiver, void *table, Uint32 tablesize);

void InitializeSDL3Jumptable() {
    void *handle = dlopen("libSDL3.so.0", RTLD_LAZY);
    SDL_DYNAPI_ENTRY_FUNC dynapi_entry = (SDL_DYNAPI_ENTRY_FUNC)dlsym(handle, "SDL_DYNAPI_entry");

    if (dynapi_entry) {
        // 1 is currently the only valid version
        // We pass our table and its size; SDL3 will fill it up.
        if (dynapi_entry(1, &sdl3_table, sizeof(sdl3_table)) != 0) {
            // Error: Table size mismatch or version incompatible
        }
    }
}

/* In your sdl3_bridge.c (which sees SDL3 headers) */
#include <SDL3/SDL.h>

bool SDL3_EnableHDR(void *sdl12_window_ptr) {
    // 1. Cast the generic pointer to an SDL_Window
    SDL_Window *window = (SDL_Window *)sdl12_window_ptr;

    // 2. Set the HDR property on the window
    // This tells the backend to allow high-bit-depth buffers
    SDL_PropertiesID props = sdl3_table.SDL_GetWindowProperties(window);
    sdl3_table.SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HIGH_PIXEL_DENSITY_BOOLEAN, true);

    // 3. Set the Colorspace
    // SDL_COLORSPACE_SRGB_LINEAR is common for HDR (scRGB)
    // SDL_COLORSPACE_HDR10 is used for 10-bit ST2048
    if (!sdl3_table.SDL_SetWindowSurfaceColorspace(window, SDL_COLORSPACE_SRGB_LINEAR)) {
        // Log error via sdl3_table.SDL_GetError()
        return false;
    }

    return true;
}