static void sdl_refresh_viewport(sdl2_video_t *vid)
{
int win_w, win_h;
SDL_GetWindowSize(vid->window, &win_w, &win_h);
vid->vp.x = 0;
vid->vp.y = 0;
vid->vp.width = win_w;
vid->vp.height = win_h;
vid->vp.full_width = win_w;
vid->vp.full_height = win_h;
if (g_settings.video.scale_integer)
gfx_scale_integer(&vid->vp, win_w, win_h, g_extern.system.aspect_ratio,
vid->video.force_aspect);
else if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
const struct rarch_viewport *custom = &g_extern.console.screen.viewports.custom_vp;
vid->vp.x = custom->x;
vid->vp.y = custom->y;
vid->vp.width = custom->width;
vid->vp.height = custom->height;
}
else if (vid->video.force_aspect)
{
float delta;
float device_aspect = (float)win_w / win_h;
float desired_aspect = g_extern.system.aspect_ratio;
if (fabsf(device_aspect - desired_aspect) < 0.0001f)
{
/* If the aspect ratios of screen and desired aspect ratio are
* sufficiently equal (floating point stuff), assume they are
* actually equal. */
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0f) / 2.0f + 0.5f;
vid->vp.x = (int)roundf(win_w * (0.5f - delta));
vid->vp.width = (unsigned)roundf(2.0f * win_w * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0f) / 2.0f + 0.5f;
vid->vp.y = (int)roundf(win_h * (0.5f - delta));
vid->vp.height = (unsigned)roundf(2.0f * win_h * delta);
}
}
vid->should_resize = false;
sdl_refresh_renderer(vid);
}
static void d3d_calculate_rect(void *data, unsigned width, unsigned height,
bool keep, float desired_aspect)
{
d3d_video_t *d3d = (d3d_video_t*)data;
if (g_settings.video.scale_integer)
{
struct rarch_viewport vp = {0};
gfx_scale_integer(&vp, width, height, desired_aspect, keep);
d3d_set_viewport(d3d, vp.x, vp.y, vp.width, vp.height);
}
else if (!keep)
d3d_set_viewport(d3d, 0, 0, width, height);
else
{
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
const rarch_viewport_t &custom = g_extern.console.screen.viewports.custom_vp;
d3d_set_viewport(d3d, custom.x, custom.y, custom.width, custom.height);
}
else
{
float device_aspect = static_cast<float>(width) / static_cast<float>(height);
if (fabsf(device_aspect - desired_aspect) < 0.0001f)
d3d_set_viewport(d3d, 0, 0, width, height);
else if (device_aspect > desired_aspect)
{
float delta = (desired_aspect / device_aspect - 1.0f) / 2.0f + 0.5f;
d3d_set_viewport(d3d, int(roundf(width * (0.5f - delta))), 0, unsigned(roundf(2.0f * width * delta)), height);
}
else
{
float delta = (device_aspect / desired_aspect - 1.0f) / 2.0f + 0.5f;
d3d_set_viewport(d3d, 0, int(roundf(height * (0.5f - delta))), width, unsigned(roundf(2.0f * height * delta)));
}
}
}
}
static void psp_update_viewport(psp1_video_t* psp)
{
int x, y;
float device_aspect = ((float)SCEGU_SCR_WIDTH) / SCEGU_SCR_HEIGHT;
float width = SCEGU_SCR_WIDTH;
float height = SCEGU_SCR_HEIGHT;
x = 0;
y = 0;
if (g_settings.video.scale_integer)
{
gfx_scale_integer(&psp->vp, SCEGU_SCR_WIDTH,
SCEGU_SCR_HEIGHT, g_extern.system.aspect_ratio, psp->keep_aspect);
width = psp->vp.width;
height = psp->vp.height;
}
else if (psp->keep_aspect)
{
float desired_aspect = g_extern.system.aspect_ratio;
float delta;
#if defined(HAVE_MENU)
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
const struct rarch_viewport *custom =
&g_extern.console.screen.viewports.custom_vp;
x = custom->x;
y = custom->y;
width = custom->width;
height = custom->height;
}
else
#endif
{
if ((fabsf(device_aspect - desired_aspect) < 0.0001f)
|| (fabsf((16.0/9.0) - desired_aspect) < 0.02f))
{
/* If the aspect ratios of screen and desired aspect
* ratio are sufficiently equal (floating point stuff),
* assume they are actually equal.
*/
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0f)
/ 2.0f + 0.5f;
x = (int)roundf(width * (0.5f - delta));
width = (unsigned)roundf(2.0f * width * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0f)
/ 2.0f + 0.5f;
y = (int)roundf(height * (0.5f - delta));
height = (unsigned)roundf(2.0f * height * delta);
}
}
psp->vp.x = x;
psp->vp.y = y;
psp->vp.width = width;
psp->vp.height = height;
}
else
{
psp->vp.x = psp->vp.y = 0;
psp->vp.width = width;
psp->vp.height = height;
}
psp->vp.width += psp->vp.width&0x1;
psp->vp.height += psp->vp.height&0x1;
psp_set_screen_coords(psp->frame_coords, psp->vp.x,
psp->vp.y, psp->vp.width, psp->vp.height, psp->rotation);
psp->should_resize = false;
}
