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Wayland: Add metrics support.

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This commit is contained in:
Hans-Kristian Arntzen 2016-02-21 22:04:56 +01:00
parent 52a515f0d3
commit c4104ae37c
1 changed files with 38 additions and 3 deletions
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41
gfx/drivers_context/wayland_ctx.c
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@ -55,6 +55,8 @@ typedef struct gfx_ctx_wayland_data
int fd;
unsigned width;
unsigned height;
unsigned physical_width;
unsigned physical_height;
struct wl_display *dpy;
struct wl_registry *registry;
struct wl_compositor *compositor;
@ -147,12 +149,16 @@ static void display_handle_geometry(void *data,
(void)output;
(void)x;
(void)y;
(void)physical_width;
(void)physical_height;
(void)subpixel;
(void)make;
(void)model;
(void)transform;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->physical_width = physical_width;
wl->physical_height = physical_height;
RARCH_LOG("[Wayland]: Physical width: %d mm x %d mm.\n",
physical_width, physical_height);
}
static void display_handle_mode(void *data,
@ -424,6 +430,35 @@ static void gfx_ctx_wl_get_video_size(void *data,
*height = wl->height;
}
static bool gfx_ctx_wl_get_metrics(void *data,
enum display_metric_types type, float *value)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (wl->physical_width == 0 || wl->physical_height == 0)
return false;
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
*value = (float)wl->physical_width;
break;
case DISPLAY_METRIC_MM_HEIGHT:
*value = (float)wl->physical_height;
break;
case DISPLAY_METRIC_DPI:
*value = (float)wl->width * 25.4f / (float)wl->physical_width;
break;
default:
*value = 0.0f;
return false;
}
return true;
}
#define DEFAULT_WINDOWED_WIDTH 640
#define DEFAULT_WINDOWED_HEIGHT 480
@ -1111,7 +1146,7 @@ const gfx_ctx_driver_t gfx_ctx_wayland = {
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
NULL, /* get_metrics */
gfx_ctx_wl_get_metrics,
NULL,
gfx_ctx_wl_update_window_title,
gfx_ctx_wl_check_window,