static void sunxi_setup_scale (void *data,
unsigned width, unsigned height, unsigned pitch)
{
int i;
float aspect;
unsigned int xpos, visible_width;
struct sunxi_video *_dispvars = (struct sunxi_video*)data;
settings_t *settings = config_get_ptr();
_dispvars->src_width = width;
_dispvars->src_height = height;
/* Total pitch, including things the
* cores render between "visible" scanlines. */
_dispvars->src_pitch = pitch;
/* Pixels per line */
_dispvars->src_pixels_per_line = _dispvars->src_pitch/_dispvars->bytes_per_pixel;
/* Incremental offset that sums up on
* each previous page offset.
* Total offset of each page has to
* be adjusted when internal resolution changes. */
for (i = 0; i < NUMPAGES; i++)
{
_dispvars->pages[i].offset = (_dispvars->sunxi_disp->yres + i * _dispvars->src_height) * _dispvars->sunxi_disp->xres * 4;
_dispvars->pages[i].address = ((uint32_t*) _dispvars->sunxi_disp->framebuffer_addr + (_dispvars->sunxi_disp->yres + i * _dispvars->src_height) * _dispvars->dst_pitch/4);
}
switch (settings->video.aspect_ratio_idx)
{
case ASPECT_RATIO_4_3:
aspect = (float)4 / (float)3;
break;
case ASPECT_RATIO_16_9:
aspect = (float)16 / (float)9;
break;
case ASPECT_RATIO_16_10:
aspect = (float)16 / (float)10;
break;
case ASPECT_RATIO_16_15:
aspect = (float)16 / (float)15;
break;
case ASPECT_RATIO_CORE:
aspect = (float)_dispvars->src_width / (float)_dispvars->src_height;
break;
default:
aspect = (float)_dispvars->src_width / (float)_dispvars->src_height;
break;
}
visible_width = _dispvars->sunxi_disp->yres * aspect;
xpos = (_dispvars->sunxi_disp->xres - visible_width) / 2;
/* setup layer window */
sunxi_layer_set_output_window(_dispvars->sunxi_disp, xpos, 0, visible_width, _dispvars->sunxi_disp->yres);
/* make the layer visible */
sunxi_layer_show(_dispvars->sunxi_disp);
}
static void sunxi_setup_scale (void *data,
unsigned width, unsigned height, unsigned pitch)
{
int i;
unsigned int xpos, visible_width;
struct sunxi_video *_dispvars = (struct sunxi_video*)data;
_dispvars->src_width = width;
_dispvars->src_height = height;
/* Total pitch, including things the
* cores render between "visible" scanlines. */
_dispvars->src_pitch = pitch;
/* Pixels per line */
_dispvars->src_pixels_per_line = _dispvars->src_pitch/_dispvars->bytes_per_pixel;
/* Incremental offset that sums up on
* each previous page offset.
* Total offset of each page has to
* be adjusted when internal resolution changes. */
for (i = 0; i < NUMPAGES; i++)
{
_dispvars->pages[i].offset = (_dispvars->sunxi_disp->yres + i * _dispvars->src_height) * _dispvars->sunxi_disp->xres * 4;
_dispvars->pages[i].address = ((uint32_t*) _dispvars->sunxi_disp->framebuffer_addr + (_dispvars->sunxi_disp->yres + i * _dispvars->src_height) * _dispvars->dst_pitch/4);
}
visible_width = _dispvars->sunxi_disp->yres * _dispvars->aspect_ratio;
xpos = (_dispvars->sunxi_disp->xres - visible_width) / 2;
/* setup layer window */
sunxi_layer_set_output_window(_dispvars->sunxi_disp, xpos, 0, visible_width, _dispvars->sunxi_disp->yres);
/* make the layer visible */
sunxi_layer_show(_dispvars->sunxi_disp);
}
