File content as of revision 17:c9afe1a7b423:

// SDL display code

#include "types.h"
//static SDL_Window* window;
//static SDL_Renderer* renderer;
//static SDL_Texture* tex;
static u8* fb;

#define SCALE 4 // pixel scaling

void initGraphics(u8* frameBuffer) {
//  SDL_Init(SDL_INIT_VIDEO);
//  window = SDL_CreateWindow("WORM-BOY", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 160 * SCALE, 144 * SCALE, SDL_WINDOW_OPENGL);
//  renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
//  tex = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_BGRA8888, SDL_TEXTUREACCESS_STREAMING, 160 * SCALE, 144 * SCALE);
  fb = frameBuffer;
}

void updateGraphics() {
//  int pitch;
//  u8* sdlFB;
//  SDL_LockTexture(tex, nullptr, (void**)(&sdlFB), &pitch);
//  for(u32 xIn = 0; xIn < 160; xIn++) {
//    for(u32 yIn = 0; yIn < 144; yIn++) {
//      u32 outCoord = (xIn * SCALE) + (yIn * SCALE * 160 * SCALE);
//      u32 inCoord = xIn + yIn * 160;
//      for(u32 xScale = 0; xScale < SCALE; xScale++) {
//        for(u32 yScale = 0; yScale < SCALE; yScale++) {
//          u32 outScaled = outCoord + xScale + (yScale * SCALE * 160);
//          sdlFB[outScaled*4 + 0] = 255;
//          sdlFB[outScaled*4 + 1] = fb[inCoord];
//          sdlFB[outScaled*4 + 2] = fb[inCoord];
//          sdlFB[outScaled*4 + 3] = fb[inCoord];
//        }
//      }
//    }
//  }
//  SDL_UnlockTexture(tex);
//  SDL_RenderCopy(renderer, tex, nullptr, nullptr);
//  SDL_RenderPresent(renderer);
}