void GraphicsInit(GraphicsDevice *device, Config *c)
{
memset(device, 0, sizeof *device);
CArrayInit(&device->validModes, sizeof(Vec2i));
// Add default modes
AddGraphicsMode(device, 320, 240);
AddGraphicsMode(device, 400, 300);
AddGraphicsMode(device, 640, 480);
GraphicsConfigSetFromConfig(&device->cachedConfig, c);
}
static void AddSupportedGraphicsModes(GraphicsDevice *device)
{
// TODO: multiple window support?
const int numDisplayModes = SDL_GetNumDisplayModes(0);
if (numDisplayModes < 1)
{
LOG(LM_GFX, LL_ERROR, "no valid display modes: %s", SDL_GetError());
return;
}
for (int i = 0; i < numDisplayModes; i++)
{
SDL_DisplayMode mode;
if (SDL_GetDisplayMode(0, i, &mode) != 0)
{
LOG(LM_GFX, LL_ERROR, "cannot get display mode: %s",
SDL_GetError());
continue;
}
if (mode.w < 320 || mode.h < 240)
{
break;
}
AddGraphicsMode(device, mode.w, mode.h);
}
}
void GraphicsInit(GraphicsDevice *device)
{
device->IsInitialized = 0;
device->IsWindowInitialized = 0;
device->screen = NULL;
memset(&device->cachedConfig, 0, sizeof device->cachedConfig);
device->validModes = NULL;
device->clipping.left = 0;
device->clipping.top = 0;
device->clipping.right = 0;
device->clipping.bottom = 0;
device->numValidModes = 0;
device->modeIndex = 0;
// Add default modes
AddGraphicsMode(device, 320, 240, 1);
AddGraphicsMode(device, 400, 300, 1);
AddGraphicsMode(device, 640, 480, 1);
AddGraphicsMode(device, 320, 240, 2);
device->buf = NULL;
device->bkg = NULL;
hqxInit();
}
void AddSupportedModesForBPP(GraphicsDevice *device, int bpp)
{
SDL_Rect** modes;
SDL_PixelFormat fmt;
int i;
memset(&fmt, 0, sizeof fmt);
fmt.BitsPerPixel = (Uint8)bpp;
modes = SDL_ListModes(&fmt, SDL_FULLSCREEN);
if (modes == (SDL_Rect**)0)
{
return;
}
if (modes == (SDL_Rect**)-1)
{
return;
}
for (i = 0; modes[i]; i++)
{
int validScaleFactors[] = { 1, 2, 3, 4 };
int j;
for (j = 0; j < 4; j++)
{
int scaleFactor = validScaleFactors[j];
int w, h;
if (modes[i]->w % scaleFactor || modes[i]->h % scaleFactor)
{
continue;
}
if (modes[i]->w % 4)
{
// TODO: why does width have to be divisible by 4? 1366x768 doesn't work
continue;
}
w = modes[i]->w / scaleFactor;
h = modes[i]->h / scaleFactor;
if (w < 320 || h < 240)
{
break;
}
AddGraphicsMode(device, w, h, scaleFactor);
}
}
}
