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gsk: Make uber shader handle fonts the same

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The code converting text nodes for the uber shader was missing
some of the recent font handling improvements. Make things match.

Related: #6514
This commit is contained in:
Matthias Clasen 2024-03-08 09:00:02 -05:00
parent 5242205a65
commit 4f1cc8ec6d
1 changed files with 41 additions and 6 deletions
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47
gsk/gpu/gskgpunodeprocessor.c
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@ -3113,6 +3113,8 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
guint32 tex_id;
GskGpuImage *last_image;
graphene_point_t offset;
gboolean glyph_align;
gboolean hinting;
if (gsk_text_node_has_color_glyphs (node))
return FALSE;
@ -3132,18 +3134,51 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
gsk_gpu_pattern_writer_append_rgba (self, gsk_text_node_get_color (node));
gsk_gpu_pattern_writer_append_uint (self, num_glyphs);
glyph_align = gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_GLYPH_ALIGN);
hinting = gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE;
last_image = NULL;
for (i = 0; i < num_glyphs; i++)
{
GskGpuImage *image;
graphene_rect_t glyph_bounds;
graphene_point_t glyph_offset;
graphene_point_t glyph_offset, glyph_origin;
GskGpuGlyphLookupFlags flags;
glyph_origin = GRAPHENE_POINT_INIT (offset.x + (float) glyphs[i].geometry.x_offset / PANGO_SCALE,
offset.y + (float) glyphs[i].geometry.y_offset / PANGO_SCALE);
if (hinting && glyph_align)
{
/* Force glyph_origin.y to be device pixel aligned.
* The hinter expects that.
*/
glyph_origin.x = roundf (glyph_origin.x * scale * 4);
flags = ((int) glyph_origin.x & 3);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = roundf (glyph_origin.y * scale) * inv_scale;
}
else if (glyph_align)
{
glyph_origin.x = roundf (glyph_origin.x * scale * 4);
glyph_origin.y = roundf (glyph_origin.y * scale * 4);
flags = ((int) glyph_origin.x & 3) |
(((int) glyph_origin.y & 3) << 2);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = 0.25 * inv_scale * glyph_origin.y;
}
else
{
glyph_origin.x = roundf (glyph_origin.x * scale) * inv_scale;
glyph_origin.y = roundf (glyph_origin.y * scale) * inv_scale;
flags = 0;
}
image = gsk_gpu_device_lookup_glyph_image (device,
self->frame,
font,
glyphs[i].glyph,
0,
flags,
scale,
&glyph_bounds,
&glyph_offset);
@ -3156,8 +3191,8 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
last_image = image;
}
glyph_offset = GRAPHENE_POINT_INIT (offset.x - glyph_offset.x * inv_scale + (float) glyphs[i].geometry.x_offset / PANGO_SCALE,
offset.y - glyph_offset.y * inv_scale + (float) glyphs[i].geometry.y_offset / PANGO_SCALE);
glyph_origin = GRAPHENE_POINT_INIT (glyph_origin.x - glyph_offset.x * inv_scale,
glyph_origin.y - glyph_offset.y * inv_scale);
gsk_gpu_pattern_writer_append_uint (self, tex_id);
gsk_gpu_pattern_writer_append_rect (self,
@ -3167,7 +3202,7 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
glyph_bounds.size.width * inv_scale,
glyph_bounds.size.height * inv_scale
),
&glyph_offset);
&glyph_origin);
gsk_gpu_pattern_writer_append_rect (self,
&GRAPHENE_RECT_INIT (
- glyph_bounds.origin.x * inv_scale,
@ -3175,7 +3210,7 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
gsk_gpu_image_get_width (image) * inv_scale,
gsk_gpu_image_get_height (image) * inv_scale
),
&glyph_offset);
&glyph_origin);
offset.x += (float) glyphs[i].geometry.width / PANGO_SCALE;
}