Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2024-12-23 14:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] imgui: support high DPI by scaling framebuffer

Browse Source 
This allows overlays to render at correct positions on high DPI displays.
This commit is contained in:
Quantum 2021-07-22 18:57:35 -04:00 committed by Geoffrey McRae
parent 56308fcbd1
commit b5c5ecc074
2 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
client/src/app.c
View File

@ -677,6 +677,14 @@ int app_renderOverlay(struct Rect * rects, int maxRects)
const int written =
overlay->ops->render(overlay->udata, false, buffer, MAX_OVERLAY_RECTS);
for (int i = 0; i < written; ++i)
{
buffer[i].x *= g_state.windowScale;
buffer[i].y *= g_state.windowScale;
buffer[i].w *= g_state.windowScale;
buffer[i].h *= g_state.windowScale;
}
// It is an error to run out of rectangles, because we will not be able to
// correctly calculate the damage of the next frame.
assert(written >= 0);

8
client/src/main.c
View File

@ -179,12 +179,14 @@ static int renderThread(void * unused)
int resize = atomic_load(&g_state.lgrResize);
if (resize)
{
const ImVec2 displaySize =
{
g_state.io->DisplaySize = (ImVec2) {
.x = g_state.windowW,
.y = g_state.windowH
};
g_state.io->DisplaySize = displaySize;
g_state.io->DisplayFramebufferScale = (ImVec2) {
.x = g_state.windowScale,
.y = g_state.windowScale,
};
if (g_state.lgr)
g_state.lgr->on_resize(g_state.lgrData, g_state.windowW, g_state.windowH,