diff options
Diffstat (limited to 'render_sdl.c')
| -rw-r--r-- | render_sdl.c | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/render_sdl.c b/render_sdl.c index 5d08008..d3e7ef9 100644 --- a/render_sdl.c +++ b/render_sdl.c @@ -4,6 +4,7 @@ #include "render.h" SDL_Surface *screen; +uint8_t render_dbg = 0; void render_init(int width, int height) { @@ -88,9 +89,37 @@ void render_context(vdp_context * context) uint32_t *line = buf_32; for (int x = 0; x < 320; x++) { uint16_t gen_color = context->framebuf[y * 320 + x]; - b = ((gen_color >> 8) & 0xE) * 18; - g = ((gen_color >> 4) & 0xE) * 18; - r = (gen_color& 0xE) * 18; + if (render_dbg) { + r = g = b = 0; + switch(gen_color & FBUF_SRC_MASK) + { + case FBUF_SRC_A: + g = 127; + break; + case FBUF_SRC_W: + g = 127; + b = 127; + break; + case FBUF_SRC_B: + b = 127; + break; + case FBUF_SRC_S: + r = 127; + break; + case FBUF_SRC_BG: + r = 127; + b = 127; + } + if (gen_color & FBUF_BIT_PRIORITY) { + b *= 2; + g *= 2; + r *= 2; + } + } else { + b = ((gen_color >> 8) & 0xE) * 18; + g = ((gen_color >> 4) & 0xE) * 18; + r = (gen_color& 0xE) * 18; + } for (int j = 0; j < repeat_x; j++) { *(line++) = SDL_MapRGB(screen->format, r, g, b); } @@ -105,11 +134,17 @@ void render_context(vdp_context * context) SDL_UpdateRect(screen, 0, 0, screen->clip_rect.w, screen->clip_rect.h); } -void render_wait_quit() +void render_wait_quit(vdp_context * context) { SDL_Event event; while(SDL_WaitEvent(&event)) { switch (event.type) { + case SDL_KEYDOWN: + if (event.key.keysym.sym == SDLK_LEFTBRACKET) { + render_dbg = !render_dbg; + render_context(context); + } + break; case SDL_QUIT: return; } |