diff options
| author | Simon Glass <sjg@chromium.org> | 2020-02-03 07:36:13 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-02-05 19:33:46 -0700 |
| commit | 6be88c72828923f2df8c441ee12f5829e0d06f32 (patch) | |
| tree | 74f7feec5110c1b44a13804e032b988e7f97d71c /arch/sandbox/cpu/sdl.c | |
| parent | 96d0cd460430f18d0f22eead5409ed3dc53b4c4e (diff) | |
sandbox: sdl: Add an option to double the screen size
On high-DPI displays U-Boot's LCD window can look very small. Add a
-K flag to expand it to make things easier to read, while still using
the existing resolution internally.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'arch/sandbox/cpu/sdl.c')
| -rw-r--r-- | arch/sandbox/cpu/sdl.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/sandbox/cpu/sdl.c b/arch/sandbox/cpu/sdl.c index 58a9cc8168e..6416cab96c1 100644 --- a/arch/sandbox/cpu/sdl.c +++ b/arch/sandbox/cpu/sdl.c @@ -30,6 +30,8 @@ struct buf_info { * * @width: Width of simulated LCD display * @height: Height of simulated LCD display + * @vis_width: Visible width (may be larger to allow for scaling up) + * @vis_height: Visible height (may be larger to allow for scaling up) * @depth: Depth of the display in bits per pixel (16 or 32) * @pitch: Number of bytes per line of the display * @sample_rate: Current sample rate for audio @@ -46,6 +48,8 @@ struct buf_info { static struct sdl_info { int width; int height; + int vis_width; + int vis_height; int depth; int pitch; uint sample_rate; @@ -94,7 +98,8 @@ static int sandbox_sdl_ensure_init(void) return 0; } -int sandbox_sdl_init_display(int width, int height, int log2_bpp) +int sandbox_sdl_init_display(int width, int height, int log2_bpp, + bool double_size) { struct sandbox_state *state = state_get_current(); int err; @@ -110,11 +115,19 @@ int sandbox_sdl_init_display(int width, int height, int log2_bpp) } sdl.width = width; sdl.height = height; + if (double_size) { + sdl.vis_width = sdl.width * 2; + sdl.vis_height = sdl.height * 2; + } else { + sdl.vis_width = sdl.width; + sdl.vis_height = sdl.height; + } + sdl.depth = 1 << log2_bpp; sdl.pitch = sdl.width * sdl.depth / 8; SDL_Window *screen = SDL_CreateWindow("U-Boot", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, - sdl.width, sdl.height, 0); + sdl.vis_width, sdl.vis_height, 0); if (!screen) { printf("Unable to initialise SDL screen: %s\n", SDL_GetError()); |