Diff: graphics_display.cpp

Revision:

17:c9afe1a7b423

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphics_display.cpp	Sun Jan 13 19:00:10 2019 +0000
@@ -0,0 +1,42 @@
+// 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);
+}
+