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gsk: Eschew more divisions

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Pull out a pango_scale_inv constant, and use it.
This commit is contained in:
Matthias Clasen 2024-03-13 00:56:38 -04:00
parent 2fda256bb0
commit 380523b41b
1 changed files with 8 additions and 6 deletions
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14
gsk/gpu/gskgpunodeprocessor.c
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@ -3005,6 +3005,7 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
unsigned int flags_mask;
GskGpuImage *last_image;
guint32 descriptor;
const float inv_pango_scale = 1.f / PANGO_SCALE;
if (self->opacity < 1.0 &&
gsk_text_node_has_color_glyphs (node))
@ -3051,8 +3052,8 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
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);
glyph_origin = GRAPHENE_POINT_INIT (offset.x + glyphs[i].geometry.x_offset * inv_pango_scale,
offset.y + glyphs[i].geometry.y_offset * inv_pango_scale);
glyph_origin.x = floorf (glyph_origin.x * align_scale_x + 0.5f);
glyph_origin.y = floorf (glyph_origin.y * align_scale_y + 0.5f);
@ -3104,7 +3105,7 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
&glyph_tex_rect,
&color);
offset.x += (float) glyphs[i].geometry.width / PANGO_SCALE;
offset.x += glyphs[i].geometry.width * inv_pango_scale;
}
}
@ -3124,6 +3125,7 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
float align_scale_x, align_scale_y;
float inv_align_scale_x, inv_align_scale_y;
unsigned int flags_mask;
const float inv_pango_scale = 1.f / PANGO_SCALE;
if (gsk_text_node_has_color_glyphs (node))
return FALSE;
@ -3166,8 +3168,8 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
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);
glyph_origin = GRAPHENE_POINT_INIT (offset.x + glyphs[i].geometry.x_offset * inv_pango_scale,
offset.y + glyphs[i].geometry.y_offset * inv_pango_scale);
glyph_origin.x = floorf (glyph_origin.x * align_scale_x + 0.5f);
glyph_origin.y = floorf (glyph_origin.y * align_scale_y + 0.5f);
@ -3213,7 +3215,7 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
),
&glyph_origin);
offset.x += (float) glyphs[i].geometry.width / PANGO_SCALE;
offset.x += glyphs[i].geometry.width * inv_pango_scale;
}
return TRUE;