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gdk: Enable fractional scaling for GL by default

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The ngl renderer has good support for fractional scaling, so we
can enable this by default now.

If you are using the gl renderer, you can disable fractional
scaling with the

GDK_DEBUG=gl-no-fractional

environment variable.
This commit is contained in:
Matthias Clasen 2024-01-25 10:59:14 -05:00
parent 98e3fca284
commit f90e77d173
5 changed files with 13 additions and 13 deletions
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4
docs/reference/gtk/running.md
View File

@ -220,8 +220,8 @@ A number of options affect behavior instead of logging:
`gl-disable`
: Disable OpenGL support
`gl-fractional`
: Enable fractional scaling for OpenGL. This is experimental
`gl-no-fractional`
: Disable fractional scaling for OpenGL.
`gl-debug`
: Insert debugging information in OpenGL

2
gdk/gdk.c
View File

@ -123,7 +123,7 @@ static const GdkDebugKey gdk_debug_keys[] = {
{ "portals", GDK_DEBUG_PORTALS, "Force use of portals" },
{ "no-portals", GDK_DEBUG_NO_PORTALS, "Disable use of portals" },
{ "gl-disable", GDK_DEBUG_GL_DISABLE, "Disable OpenGL support" },
{ "gl-fractional", GDK_DEBUG_GL_FRACTIONAL, "Enable fractional scaling for OpenGL (experimental)" },
{ "gl-no-fractional", GDK_DEBUG_GL_NO_FRACTIONAL, "Disable fractional scaling for OpenGL" },
{ "gl-debug", GDK_DEBUG_GL_DEBUG, "Insert debugging information in OpenGL" },
{ "gl-disable-gl", GDK_DEBUG_GL_DISABLE_GL, "Only allow OpenGL GLES API" },
{ "gl-disable-gles", GDK_DEBUG_GL_DISABLE_GLES, "Don't allow OpenGL GLES API" },

2
gdk/gdkdebugprivate.h
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@ -43,7 +43,7 @@ typedef enum {
GDK_DEBUG_PORTALS = 1 << 14,
GDK_DEBUG_NO_PORTALS = 1 << 15,
GDK_DEBUG_GL_DISABLE = 1 << 16,
GDK_DEBUG_GL_FRACTIONAL = 1 << 17,
GDK_DEBUG_GL_NO_FRACTIONAL= 1 << 17,
GDK_DEBUG_GL_DISABLE_GL = 1 << 19,
GDK_DEBUG_GL_DISABLE_GLES = 1 << 20,

2
gdk/gdkglcontext.c
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@ -593,7 +593,7 @@ gdk_gl_context_get_scale (GdkGLContext *self)
scale = gdk_surface_get_scale (surface);
display = gdk_gl_context_get_display (self);
if (!(gdk_display_get_debug_flags (display) & GDK_DEBUG_GL_FRACTIONAL))
if (gdk_display_get_debug_flags (display) & GDK_DEBUG_GL_NO_FRACTIONAL)
scale = ceil (scale);
return scale;

16
gdk/wayland/gdksurface-wayland.c
View File

@ -199,20 +199,20 @@ get_egl_window_size (GdkSurface *surface,
GdkDisplay *display = gdk_surface_get_display (surface);
GdkWaylandSurface *impl = GDK_WAYLAND_SURFACE (surface);
if (GDK_DISPLAY_DEBUG_CHECK (display, GL_FRACTIONAL))
{
GDK_DISPLAY_DEBUG (display, OPENGL, "Using fractional scale %g for EGL window", gdk_fractional_scale_to_double (&impl->scale));
*width = gdk_fractional_scale_scale (&impl->scale, surface->width),
*height = gdk_fractional_scale_scale (&impl->scale, surface->height);
}
else
if (GDK_DISPLAY_DEBUG_CHECK (display, GL_NO_FRACTIONAL))
{
GDK_DISPLAY_DEBUG (display, OPENGL, "Using integer scale %d for EGL window", gdk_fractional_scale_to_int (&impl->scale));
*width = surface->width * gdk_fractional_scale_to_int (&impl->scale);
*height = surface->height * gdk_fractional_scale_to_int (&impl->scale);
}
else
{
GDK_DISPLAY_DEBUG (display, OPENGL, "Using fractional scale %g for EGL window", gdk_fractional_scale_to_double (&impl->scale));
*width = gdk_fractional_scale_scale (&impl->scale, surface->width),
*height = gdk_fractional_scale_scale (&impl->scale, surface->height);
}
}
void