nesemu/gui/nametable_window.c

//
// Created by william on 12/07/24.
//

#include <assert.h>
#include "nametable_window.h"

#define NAMETABLE_BANK_SIZE 0x0400
#define NW_WIDTH (NW_ROW_TILE_COUNT * PATTERN_DRAW_SIZE)
#define NW_HEIGHT (NW_ROW_COUNT * PATTERN_DRAW_SIZE)

void nametable_window_init(NesNametableWindow *window) {
    int win_size = pattern_display_get_size(NW_ROW_TILE_COUNT);
    window->sdl_context = window_init("Nametable", win_size, win_size, NW_SCALE);

    window->texture = SDL_CreateTexture(window->sdl_context.renderer, SDL_PIXELFORMAT_ARGB8888,
                                        SDL_TEXTUREACCESS_STREAMING, NW_WIDTH, NW_HEIGHT);
}

void nametable_window_uninit(NesNametableWindow *window) {
    SDL_DestroyTexture(window->texture);
    window_uninit(window->sdl_context);
}

void nametable_window_update(NesNametableWindow *window, byte *nametable_0, byte *nametable_1) {
    byte **nametables[2];
    nametables[0] = &nametable_0;
    nametables[1] = &nametable_1;
}

void nametable_window_render(NesNametableWindow *window) {
    SDL_RenderClear(window->sdl_context.renderer);
    SDL_RenderCopy(window->sdl_context.renderer, window->texture, NULL, NULL);
}

void nametable_window_present(NesNametableWindow *window) {
    SDL_RenderPresent(window->sdl_context.renderer);
}