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[TextServer] Improve empty glyph handling to allow glyphs smaller than 2px and avoid unnecessary texture updates.

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This commit is contained in:
bruvzg 2024-04-07 17:54:03 +03:00
parent e5b4ef8e95
commit 1f8387f8fd
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GPG Key ID: 7960FCF39844EC38
4 changed files with 107 additions and 88 deletions
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94
modules/text_server_adv/text_server_adv.cpp
View File

@ -958,7 +958,7 @@ void TextServerAdvanced::_generateMTSDF_threaded(void *p_td, uint32_t p_y) {
}
}
_FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_msdf(FontAdvanced *p_font_data, FontForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const {
_FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_msdf(FontAdvanced *p_font_data, FontForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const {
msdfgen::Shape shape;
shape.contours.clear();
@ -974,13 +974,13 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_msdf(
ft_functions.shift = 0;
ft_functions.delta = 0;
int error = FT_Outline_Decompose(outline, &ft_functions, &context);
int error = FT_Outline_Decompose(p_outline, &ft_functions, &context);
ERR_FAIL_COND_V_MSG(error, FontGlyph(), "FreeType: Outline decomposition error: '" + String(FT_Error_String(error)) + "'.");
if (!shape.contours.empty() && shape.contours.back().edges.empty()) {
shape.contours.pop_back();
}
if (FT_Outline_Get_Orientation(outline) == 1) {
if (FT_Outline_Get_Orientation(p_outline) == 1) {
for (int i = 0; i < (int)shape.contours.size(); ++i) {
shape.contours[i].reverse();
}
@ -993,12 +993,19 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_msdf(
FontGlyph chr;
chr.found = true;
chr.advance = advance;
chr.advance = p_advance;
if (shape.validate() && shape.contours.size() > 0) {
int w = (bounds.r - bounds.l);
int h = (bounds.t - bounds.b);
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int mw = w + p_rect_margin * 4;
int mh = h + p_rect_margin * 4;
@ -1056,12 +1063,24 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_msdf(
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const {
int w = bitmap.width;
int h = bitmap.rows;
_FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const {
FontGlyph chr;
chr.advance = p_advance * p_data->scale / p_data->oversampling;
chr.found = true;
int w = p_bitmap.width;
int h = p_bitmap.rows;
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int color_size = 2;
switch (bitmap.pixel_mode) {
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO:
case FT_PIXEL_MODE_GRAY: {
color_size = 2;
@ -1100,54 +1119,54 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_bitma
for (int j = 0; j < w; j++) {
int ofs = ((i + tex_pos.y + p_rect_margin * 2) * tex.texture_w + j + tex_pos.x + p_rect_margin * 2) * color_size;
ERR_FAIL_COND_V(ofs >= tex.image->data_size(), FontGlyph());
switch (bitmap.pixel_mode) {
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
int byte = i * bitmap.pitch + (j >> 3);
int byte = i * p_bitmap.pitch + (j >> 3);
int bit = 1 << (7 - (j % 8));
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = (bitmap.buffer[byte] & bit) ? 255 : 0;
wr[ofs + 1] = (p_bitmap.buffer[byte] & bit) ? 255 : 0;
} break;
case FT_PIXEL_MODE_GRAY:
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = bitmap.buffer[i * bitmap.pitch + j];
wr[ofs + 1] = p_bitmap.buffer[i * p_bitmap.pitch + j];
break;
case FT_PIXEL_MODE_BGRA: {
int ofs_color = i * bitmap.pitch + (j << 2);
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = bitmap.buffer[ofs_color + 3];
int ofs_color = i * p_bitmap.pitch + (j << 2);
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = p_bitmap.buffer[ofs_color + 3];
} break;
case FT_PIXEL_MODE_LCD: {
int ofs_color = i * bitmap.pitch + (j * 3);
int ofs_color = i * p_bitmap.pitch + (j * 3);
if (p_bgra) {
wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = bitmap.buffer[ofs_color + 2];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = 255;
}
} break;
case FT_PIXEL_MODE_LCD_V: {
int ofs_color = i * bitmap.pitch * 3 + j;
int ofs_color = i * p_bitmap.pitch * 3 + j;
if (p_bgra) {
wr[ofs + 0] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
wr[ofs + 2] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 3] = 255;
}
} break;
default:
ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(bitmap.pixel_mode) + ".");
ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(p_bitmap.pixel_mode) + ".");
break;
}
}
@ -1156,13 +1175,10 @@ _FORCE_INLINE_ TextServerAdvanced::FontGlyph TextServerAdvanced::rasterize_bitma
tex.dirty = true;
FontGlyph chr;
chr.advance = advance * p_data->scale / p_data->oversampling;
chr.texture_idx = tex_pos.index;
chr.found = true;
chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w + p_rect_margin * 2, h + p_rect_margin * 2);
chr.rect.position = Vector2(xofs - p_rect_margin, -yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.position = Vector2(p_xofs - p_rect_margin, -p_yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.size = chr.uv_rect.size * p_data->scale / p_data->oversampling;
return chr;
}
@ -3619,9 +3635,6 @@ void TextServerAdvanced::_font_draw_glyph(const RID &p_font_rid, const RID &p_ca
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
return; // Nothing to draw.
}
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {
@ -3730,9 +3743,6 @@ void TextServerAdvanced::_font_draw_glyph_outline(const RID &p_font_rid, const R
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
return; // Nothing to draw.
}
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {

4
modules/text_server_adv/text_server_adv.h
View File

@ -354,10 +354,10 @@ class TextServerAdvanced : public TextServerExtension {
_FORCE_INLINE_ FontTexturePosition find_texture_pos_for_glyph(FontForSizeAdvanced *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height, bool p_msdf) const;
#ifdef MODULE_MSDFGEN_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_msdf(FontAdvanced *p_font_data, FontForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const;
_FORCE_INLINE_ FontGlyph rasterize_msdf(FontAdvanced *p_font_data, FontForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const;
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const;
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const;
#endif
_FORCE_INLINE_ bool _ensure_glyph(FontAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
_FORCE_INLINE_ bool _ensure_cache_for_size(FontAdvanced *p_font_data, const Vector2i &p_size) const;

93
modules/text_server_fb/text_server_fb.cpp
View File

@ -394,7 +394,7 @@ void TextServerFallback::_generateMTSDF_threaded(void *p_td, uint32_t p_y) {
}
}
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const {
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const {
msdfgen::Shape shape;
shape.contours.clear();
@ -410,13 +410,13 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
ft_functions.shift = 0;
ft_functions.delta = 0;
int error = FT_Outline_Decompose(outline, &ft_functions, &context);
int error = FT_Outline_Decompose(p_outline, &ft_functions, &context);
ERR_FAIL_COND_V_MSG(error, FontGlyph(), "FreeType: Outline decomposition error: '" + String(FT_Error_String(error)) + "'.");
if (!shape.contours.empty() && shape.contours.back().edges.empty()) {
shape.contours.pop_back();
}
if (FT_Outline_Get_Orientation(outline) == 1) {
if (FT_Outline_Get_Orientation(p_outline) == 1) {
for (int i = 0; i < (int)shape.contours.size(); ++i) {
shape.contours[i].reverse();
}
@ -429,12 +429,18 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
FontGlyph chr;
chr.found = true;
chr.advance = advance;
chr.advance = p_advance;
if (shape.validate() && shape.contours.size() > 0) {
int w = (bounds.r - bounds.l);
int h = (bounds.t - bounds.b);
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int mw = w + p_rect_margin * 4;
int mh = h + p_rect_margin * 4;
@ -491,12 +497,24 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const {
int w = bitmap.width;
int h = bitmap.rows;
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const {
FontGlyph chr;
chr.advance = p_advance * p_data->scale / p_data->oversampling;
chr.found = true;
int w = p_bitmap.width;
int h = p_bitmap.rows;
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int color_size = 2;
switch (bitmap.pixel_mode) {
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO:
case FT_PIXEL_MODE_GRAY: {
color_size = 2;
@ -535,54 +553,54 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
for (int j = 0; j < w; j++) {
int ofs = ((i + tex_pos.y + p_rect_margin * 2) * tex.texture_w + j + tex_pos.x + p_rect_margin * 2) * color_size;
ERR_FAIL_COND_V(ofs >= tex.image->data_size(), FontGlyph());
switch (bitmap.pixel_mode) {
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
int byte = i * bitmap.pitch + (j >> 3);
int byte = i * p_bitmap.pitch + (j >> 3);
int bit = 1 << (7 - (j % 8));
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = (bitmap.buffer[byte] & bit) ? 255 : 0;
wr[ofs + 1] = (p_bitmap.buffer[byte] & bit) ? 255 : 0;
} break;
case FT_PIXEL_MODE_GRAY:
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = bitmap.buffer[i * bitmap.pitch + j];
wr[ofs + 1] = p_bitmap.buffer[i * p_bitmap.pitch + j];
break;
case FT_PIXEL_MODE_BGRA: {
int ofs_color = i * bitmap.pitch + (j << 2);
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = bitmap.buffer[ofs_color + 3];
int ofs_color = i * p_bitmap.pitch + (j << 2);
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = p_bitmap.buffer[ofs_color + 3];
} break;
case FT_PIXEL_MODE_LCD: {
int ofs_color = i * bitmap.pitch + (j * 3);
int ofs_color = i * p_bitmap.pitch + (j * 3);
if (p_bgra) {
wr[ofs + 0] = bitmap.buffer[ofs_color + 2];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = bitmap.buffer[ofs_color + 2];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = 255;
}
} break;
case FT_PIXEL_MODE_LCD_V: {
int ofs_color = i * bitmap.pitch * 3 + j;
int ofs_color = i * p_bitmap.pitch * 3 + j;
if (p_bgra) {
wr[ofs + 0] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
wr[ofs + 2] = bitmap.buffer[ofs_color + 0];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = bitmap.buffer[ofs_color + bitmap.pitch];
wr[ofs + 2] = bitmap.buffer[ofs_color + bitmap.pitch * 2];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 3] = 255;
}
} break;
default:
ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(bitmap.pixel_mode) + ".");
ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(p_bitmap.pixel_mode) + ".");
break;
}
}
@ -591,13 +609,10 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma
tex.dirty = true;
FontGlyph chr;
chr.advance = advance * p_data->scale / p_data->oversampling;
chr.texture_idx = tex_pos.index;
chr.found = true;
chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w + p_rect_margin * 2, h + p_rect_margin * 2);
chr.rect.position = Vector2(xofs - p_rect_margin, -yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.position = Vector2(p_xofs - p_rect_margin, -p_yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.size = chr.uv_rect.size * p_data->scale / p_data->oversampling;
return chr;
}
@ -2567,9 +2582,6 @@ void TextServerFallback::_font_draw_glyph(const RID &p_font_rid, const RID &p_ca
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
return; // Nothing to draw.
}
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {
@ -2678,9 +2690,6 @@ void TextServerFallback::_font_draw_glyph_outline(const RID &p_font_rid, const R
const FontGlyph &gl = fd->cache[size]->glyph_map[index];
if (gl.found) {
if (gl.uv_rect.size.x <= 2 || gl.uv_rect.size.y <= 2) {
return; // Nothing to draw.
}
ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size());
if (gl.texture_idx != -1) {

4
modules/text_server_fb/text_server_fb.h
View File

@ -303,10 +303,10 @@ class TextServerFallback : public TextServerExtension {
_FORCE_INLINE_ FontTexturePosition find_texture_pos_for_glyph(FontForSizeFallback *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height, bool p_msdf) const;
#ifdef MODULE_MSDFGEN_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const;
_FORCE_INLINE_ FontGlyph rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const;
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const;
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const;
#endif
_FORCE_INLINE_ bool _ensure_glyph(FontFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
_FORCE_INLINE_ bool _ensure_cache_for_size(FontFallback *p_font_data, const Vector2i &p_size) const;