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Wayland: Micro-optimization: Assume window will be shown on primary monitor so create it with its scale set to that of the primary monitor

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This commit is contained in:
Kovid Goyal
2022-09-10 15:16:11 +05:30
parent 29b3a92ffc
commit 0bf228b030
2 changed files with 23 additions and 5 deletions
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23
glfw/wl_window.c vendored
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@@ -380,11 +380,22 @@ static bool createSurface(_GLFWwindow* window,
wl_surface_set_user_data(window->wl.surface, window);
// If we already have been notified of the primary monitor scale, assume
// the window will be created on it and so avoid a rescale roundtrip in the common
// case of the window being shown on the primary monitor or all monitors having the same scale.
// If you change this also change get_window_content_scale() in the kitty code.
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
float xscale = 1.0, yscale = 1.0;
int scale = 1;
if (monitor) {
glfwGetMonitorContentScale(monitor, &xscale, &yscale);
// see wl_monitor.c xscale is always == yscale
if (xscale <= 0.0001 || xscale != xscale || xscale >= 24) xscale = 1.0;
if (xscale > 1) scale = (int)xscale;
}
debug("Creating window at size: %dx%d and scale 1\n", wndconfig->width, wndconfig->height);
window->wl.native = wl_egl_window_create(window->wl.surface,
wndconfig->width,
wndconfig->height);
debug("Creating window at size: %dx%d and scale %d\n", wndconfig->width, wndconfig->height, scale);
window->wl.native = wl_egl_window_create(window->wl.surface, wndconfig->width * scale, wndconfig->height * scale);
if (!window->wl.native)
return false;
@@ -392,11 +403,13 @@ static bool createSurface(_GLFWwindow* window,
window->wl.height = wndconfig->height;
window->wl.user_requested_content_size.width = wndconfig->width;
window->wl.user_requested_content_size.height = wndconfig->height;
window->wl.scale = 1;
window->wl.scale = scale;
if (!window->wl.transparent)
setOpaqueRegion(window, false);
wl_surface_set_buffer_scale(window->wl.surface, scale);
return true;
}