From bcc3643989762a6814f1f0c5a4b63a0e66d6286c Mon Sep 17 00:00:00 2001 From: bruvzg <7645683+bruvzg@users.noreply.github.com> Date: Fri, 12 Aug 2022 14:03:28 +0300 Subject: Add font LCD sub-pixel anti-aliasing support. --- modules/text_server_fb/text_server_fb.cpp | 266 +++++++++++++++++++++++++----- modules/text_server_fb/text_server_fb.h | 8 +- 2 files changed, 228 insertions(+), 46 deletions(-) (limited to 'modules/text_server_fb') diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp index 3f5041234c..6fae75f49c 100644 --- a/modules/text_server_fb/text_server_fb.cpp +++ b/modules/text_server_fb/text_server_fb.cpp @@ -34,6 +34,7 @@ // Headers for building as GDExtension plug-in. #include +#include #include #include #include @@ -43,6 +44,7 @@ using namespace godot; #else // Headers for building as built-in module. +#include "core/config/project_settings.h" #include "core/error/error_macros.h" #include "core/string/print_string.h" #include "core/string/ucaps.h" @@ -209,6 +211,10 @@ _FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_ for (int i = 0; i < p_data->textures.size(); i++) { const FontTexture &ct = p_data->textures[i]; + if (p_image_format != ct.format) { + continue; + } + if (mw > ct.texture_w || mh > ct.texture_h) { // Too big for this texture. continue; } @@ -500,9 +506,28 @@ _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) const { +_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; + int color_size = 2; + + switch (bitmap.pixel_mode) { + case FT_PIXEL_MODE_MONO: + case FT_PIXEL_MODE_GRAY: { + color_size = 2; + } break; + case FT_PIXEL_MODE_BGRA: { + color_size = 4; + } break; + case FT_PIXEL_MODE_LCD: { + color_size = 4; + w /= 3; + } break; + case FT_PIXEL_MODE_LCD_V: { + color_size = 4; + h /= 3; + } break; + } int mw = w + p_rect_margin * 4; int mh = h + p_rect_margin * 4; @@ -510,7 +535,6 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma ERR_FAIL_COND_V(mw > 4096, FontGlyph()); ERR_FAIL_COND_V(mh > 4096, FontGlyph()); - int color_size = bitmap.pixel_mode == FT_PIXEL_MODE_BGRA ? 4 : 2; Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8; FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, color_size, require_format, mw, mh, false); @@ -545,6 +569,34 @@ _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitma wr[ofs + 0] = bitmap.buffer[ofs_color + 2]; wr[ofs + 3] = bitmap.buffer[ofs_color + 3]; } break; + case FT_PIXEL_MODE_LCD: { + int ofs_color = i * bitmap.pitch + (j * 3); + if (p_bgra) { + 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 + 3] = 255; + } else { + 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 + 3] = 255; + } + } break; + case FT_PIXEL_MODE_LCD_V: { + int ofs_color = i * 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 + 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 + 3] = 255; + } + } break; default: ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(bitmap.pixel_mode) + "."); break; @@ -650,9 +702,44 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontFallback *p_font_data, FT_Outline_Transform(&fd->face->glyph->outline, &mat); } + FT_Render_Mode aa_mode = FT_RENDER_MODE_NORMAL; + bool bgra = false; + switch (p_font_data->antialiasing) { + case FONT_ANTIALIASING_NONE: { + aa_mode = FT_RENDER_MODE_MONO; + } break; + case FONT_ANTIALIASING_GRAY: { + aa_mode = FT_RENDER_MODE_NORMAL; + } break; + case FONT_ANTIALIASING_LCD: { + int aa_layout = (int)((p_glyph >> 24) & 7); + switch (aa_layout) { + case FONT_LCD_SUBPIXEL_LAYOUT_HRGB: { + aa_mode = FT_RENDER_MODE_LCD; + bgra = false; + } break; + case FONT_LCD_SUBPIXEL_LAYOUT_HBGR: { + aa_mode = FT_RENDER_MODE_LCD; + bgra = true; + } break; + case FONT_LCD_SUBPIXEL_LAYOUT_VRGB: { + aa_mode = FT_RENDER_MODE_LCD_V; + bgra = false; + } break; + case FONT_LCD_SUBPIXEL_LAYOUT_VBGR: { + aa_mode = FT_RENDER_MODE_LCD_V; + bgra = true; + } break; + default: { + aa_mode = FT_RENDER_MODE_NORMAL; + } break; + } + } break; + } + if (!outline) { if (!p_font_data->msdf) { - error = FT_Render_Glyph(fd->face->glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO); + error = FT_Render_Glyph(fd->face->glyph, aa_mode); } FT_GlyphSlot slot = fd->face->glyph; if (!error) { @@ -664,7 +751,7 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontFallback *p_font_data, ERR_FAIL_V_MSG(false, "Compiled without MSDFGEN support!"); #endif } else { - gl = rasterize_bitmap(fd, rect_range, slot->bitmap, slot->bitmap_top, slot->bitmap_left, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0); + gl = rasterize_bitmap(fd, rect_range, slot->bitmap, slot->bitmap_top, slot->bitmap_left, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0, bgra); } } } else { @@ -684,11 +771,11 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontFallback *p_font_data, if (FT_Glyph_Stroke(&glyph, stroker, 1) != 0) { goto cleanup_glyph; } - if (FT_Glyph_To_Bitmap(&glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO, nullptr, 1) != 0) { + if (FT_Glyph_To_Bitmap(&glyph, aa_mode, nullptr, 1) != 0) { goto cleanup_glyph; } glyph_bitmap = (FT_BitmapGlyph)glyph; - gl = rasterize_bitmap(fd, rect_range, glyph_bitmap->bitmap, glyph_bitmap->top, glyph_bitmap->left, Vector2()); + gl = rasterize_bitmap(fd, rect_range, glyph_bitmap->bitmap, glyph_bitmap->top, glyph_bitmap->left, Vector2(), bgra); cleanup_glyph: FT_Done_Glyph(glyph); @@ -1014,23 +1101,23 @@ String TextServerFallback::font_get_name(const RID &p_font_rid) const { return fd->font_name; } -void TextServerFallback::font_set_antialiased(const RID &p_font_rid, bool p_antialiased) { +void TextServerFallback::font_set_antialiasing(RID p_font_rid, TextServer::FontAntialiasing p_antialiasing) { FontFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); - if (fd->antialiased != p_antialiased) { + if (fd->antialiasing != p_antialiasing) { _font_clear_cache(fd); - fd->antialiased = p_antialiased; + fd->antialiasing = p_antialiasing; } } -bool TextServerFallback::font_is_antialiased(const RID &p_font_rid) const { +TextServer::FontAntialiasing TextServerFallback::font_get_antialiasing(RID p_font_rid) const { FontFallback *fd = font_owner.get_or_null(p_font_rid); - ERR_FAIL_COND_V(!fd, false); + ERR_FAIL_COND_V(!fd, TextServer::FONT_ANTIALIASING_NONE); MutexLock lock(fd->mutex); - return fd->antialiased; + return fd->antialiasing; } void TextServerFallback::font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) { @@ -1589,7 +1676,16 @@ Vector2 TextServerFallback::font_get_glyph_advance(const RID &p_font_rid, int64_ Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } @@ -1632,7 +1728,16 @@ Vector2 TextServerFallback::font_get_glyph_offset(const RID &p_font_rid, const V Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } @@ -1668,7 +1773,16 @@ Vector2 TextServerFallback::font_get_glyph_size(const RID &p_font_rid, const Vec Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } @@ -1704,7 +1818,16 @@ Rect2 TextServerFallback::font_get_glyph_uv_rect(const RID &p_font_rid, const Ve Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Rect2()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return Rect2(); // Invalid or non graphicl glyph, do not display errors. } @@ -1735,7 +1858,16 @@ int64_t TextServerFallback::font_get_glyph_texture_idx(const RID &p_font_rid, co Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), -1); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return -1; // Invalid or non graphicl glyph, do not display errors. } @@ -1766,7 +1898,16 @@ RID TextServerFallback::font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), RID()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return RID(); // Invalid or non graphicl glyph, do not display errors. } @@ -1805,7 +1946,16 @@ Size2 TextServerFallback::font_get_glyph_texture_size(const RID &p_font_rid, con Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Size2()); - if (!_ensure_glyph(fd, size, p_glyph)) { + + int mod = 0; + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + mod = (layout << 24); + } + } + + if (!_ensure_glyph(fd, size, p_glyph | mod)) { return Size2(); // Invalid or non graphicl glyph, do not display errors. } @@ -2043,16 +2193,18 @@ void TextServerFallback::font_render_range(const RID &p_font_rid, const Vector2i if (fd->msdf) { _ensure_glyph(fd, size, (int32_t)idx); } else { - if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { - _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (2 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (3 << 27)); - } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { - _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); - } else { - _ensure_glyph(fd, size, (int32_t)idx); + for (int aa = 0; aa < ((fd->antialiasing == FONT_ANTIALIASING_LCD) ? FONT_LCD_SUBPIXEL_LAYOUT_MAX : 1); aa++) { + if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { + _ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (2 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (3 << 27) | (aa << 24)); + } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { + _ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24)); + } else { + _ensure_glyph(fd, size, (int32_t)idx | (aa << 24)); + } } } } @@ -2073,16 +2225,18 @@ void TextServerFallback::font_render_glyph(const RID &p_font_rid, const Vector2i if (fd->msdf) { _ensure_glyph(fd, size, (int32_t)idx); } else { - if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { - _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (2 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (3 << 27)); - } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { - _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); - _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); - } else { - _ensure_glyph(fd, size, (int32_t)idx); + for (int aa = 0; aa < ((fd->antialiasing == FONT_ANTIALIASING_LCD) ? FONT_LCD_SUBPIXEL_LAYOUT_MAX : 1); aa++) { + if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { + _ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (2 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (3 << 27) | (aa << 24)); + } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { + _ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24)); + _ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24)); + } else { + _ensure_glyph(fd, size, (int32_t)idx | (aa << 24)); + } } } } @@ -2098,9 +2252,19 @@ void TextServerFallback::font_draw_glyph(const RID &p_font_rid, const RID &p_can ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); int32_t index = p_index & 0xffffff; // Remove subpixel shifts. + bool lcd_aa = false; #ifdef MODULE_FREETYPE_ENABLED if (!fd->msdf && fd->cache[size]->face) { + // LCD layout, bits 24, 25, 26 + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + lcd_aa = true; + index = index | (layout << 24); + } + } + // Subpixel X-shift, bits 27, 28 if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125)); index = index | (xshift << 27); @@ -2122,7 +2286,7 @@ void TextServerFallback::font_draw_glyph(const RID &p_font_rid, const RID &p_can if (gl.texture_idx != -1) { Color modulate = p_color; #ifdef MODULE_FREETYPE_ENABLED - if (fd->cache[size]->face && fd->cache[size]->textures[gl.texture_idx].format == Image::FORMAT_RGBA8) { + if (fd->cache[size]->face && (fd->cache[size]->textures[gl.texture_idx].format == Image::FORMAT_RGBA8) && !lcd_aa) { modulate.r = modulate.g = modulate.b = 1.0; } #endif @@ -2160,7 +2324,11 @@ void TextServerFallback::font_draw_glyph(const RID &p_font_rid, const RID &p_can } cpos += gl.rect.position; Size2 csize = gl.rect.size; - RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); + if (lcd_aa) { + RenderingServer::get_singleton()->canvas_item_add_lcd_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate); + } else { + RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); + } } } } @@ -2176,9 +2344,19 @@ void TextServerFallback::font_draw_glyph_outline(const RID &p_font_rid, const RI ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); int32_t index = p_index & 0xffffff; // Remove subpixel shifts. + bool lcd_aa = false; #ifdef MODULE_FREETYPE_ENABLED if (!fd->msdf && fd->cache[size]->face) { + // LCD layout, bits 24, 25, 26 + if (fd->antialiasing == FONT_ANTIALIASING_LCD) { + TextServer::FontLCDSubpixelLayout layout = (TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"); + if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) { + lcd_aa = true; + index = index | (layout << 24); + } + } + // Subpixel X-shift, bits 27, 28 if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125)); index = index | (xshift << 27); @@ -2238,7 +2416,11 @@ void TextServerFallback::font_draw_glyph_outline(const RID &p_font_rid, const RI } cpos += gl.rect.position; Size2 csize = gl.rect.size; - RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); + if (lcd_aa) { + RenderingServer::get_singleton()->canvas_item_add_lcd_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate); + } else { + RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); + } } } } diff --git a/modules/text_server_fb/text_server_fb.h b/modules/text_server_fb/text_server_fb.h index fef19d442b..e1609ef500 100644 --- a/modules/text_server_fb/text_server_fb.h +++ b/modules/text_server_fb/text_server_fb.h @@ -179,7 +179,7 @@ class TextServerFallback : public TextServerExtension { struct FontFallback { Mutex mutex; - bool antialiased = true; + TextServer::FontAntialiasing antialiasing = TextServer::FONT_ANTIALIASING_GRAY; bool mipmaps = false; bool msdf = false; int msdf_range = 14; @@ -225,7 +225,7 @@ class TextServerFallback : public TextServerExtension { _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; #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) const; + _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; #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; @@ -378,8 +378,8 @@ public: virtual void font_set_name(const RID &p_font_rid, const String &p_name) override; virtual String font_get_name(const RID &p_font_rid) const override; - virtual void font_set_antialiased(const RID &p_font_rid, bool p_antialiased) override; - virtual bool font_is_antialiased(const RID &p_font_rid) const override; + virtual void font_set_antialiasing(RID p_font_rid, TextServer::FontAntialiasing p_antialiasing) override; + virtual TextServer::FontAntialiasing font_get_antialiasing(RID p_font_rid) const override; virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) override; virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const override; -- cgit v1.2.3