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gsk: Take scale factor into account when setting up the gl scissor

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Alexander Larsson 2017-03-20 10:52:58 +01:00
parent 9e12fc7853
commit e307a35c33
1 changed files with 6 additions and 1 deletions
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7
gsk/gskglrenderer.c
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@ -908,8 +908,13 @@ gsk_gl_renderer_setup_render_mode (GskGLRenderer *self)
GdkDrawingContext *context = gsk_renderer_get_drawing_context (GSK_RENDERER (self));
GdkWindow *window = gsk_renderer_get_window (GSK_RENDERER (self));
GdkRectangle extents;
int scale_factor = gsk_renderer_get_scale_factor (GSK_RENDERER (self));
cairo_region_get_extents (gdk_drawing_context_get_clip (context), &extents);
glScissor (extents.x, gdk_window_get_height (window) - extents.height - extents.y, extents.width, extents.height);
glScissor (extents.x * scale_factor,
(gdk_window_get_height (window) - extents.height - extents.y) * scale_factor,
extents.width * scale_factor, extents.height * scale_factor);
glEnable (GL_SCISSOR_TEST);
break;
}