From: Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
Date: Sat, 1 Apr 2023 19:09:06 +0000 (-0300)
Subject: gsk/vulkan/glyphcache: Ceil glyph surface size
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~446^2~5
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=56c643306ae4771df9ee5ac6befe7f932aa22783;p=gtk4.git

gsk/vulkan/glyphcache: Ceil glyph surface size

This is what GL does, and for a reason: it can lead to width or
height for very small glyphs. Also, switch to dividing by a float
(1024.0) instead of an integer (1024).
---

diff --git a/gsk/vulkan/gskvulkanglyphcache.c b/gsk/vulkan/gskvulkanglyphcache.c
index 15db38d9aa..ab623b9445 100644
--- a/gsk/vulkan/gskvulkanglyphcache.c
+++ b/gsk/vulkan/gskvulkanglyphcache.c
@@ -261,8 +261,8 @@ render_glyph (Atlas          *atlas,
   PangoGlyphInfo gi;
 
   surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
-                                        value->draw_width * key->scale / 1024,
-                                        value->draw_height * key->scale / 1024);
+                                        ceil (value->draw_width * key->scale / 1024.0),
+                                        ceil (value->draw_height * key->scale / 1024.0));
   cairo_surface_set_device_scale (surface, key->scale / 1024.0, key->scale / 1024.0);
 
   cr = cairo_create (surface);