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demos: Add basic DPI handling.

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This commit is contained in:
Henri Verbeet
2025-03-17 16:52:55 +01:00
parent 21e08955d3
commit 110edf32d0
Notes: Henri Verbeet 2025-03-19 16:02:33 +01:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1432
4 changed files with 39 additions and 0 deletions
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4
demos/triangle.c
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@ -368,12 +368,16 @@ static int cxt_main(void)
{
unsigned int width = 640, height = 480;
struct cx_triangle cxt;
double dpi_x, dpi_y;
memset(&cxt, 0, sizeof(cxt));
if (!demo_init(&cxt.demo, NULL))
return EXIT_FAILURE;
demo_get_dpi(&cxt.demo, &dpi_x, &dpi_y);
width *= dpi_x / 96.0;
height *= dpi_y / 96.0;
cxt.window = demo_window_create(&cxt.demo, "Vkd3d Triangle", width, height, &cxt);
demo_window_set_expose_func(cxt.window, cxt_render_frame);
demo_window_set_key_press_func(cxt.window, cxt_key_press);