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Decided against the mapping of parser and shaper infos

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Parser and shaper should just be intrusive to w/e uses them adding a map directions slows things down for no reason..
This commit is contained in:
Edward R. Gonzalez
2024-06-06 10:19:20 -04:00
parent 71e8fadcab
commit a81019d2a5
6 changed files with 50 additions and 51 deletions
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44
code/font/VEFontCache/VEFontCache.odin
View File

@@ -54,8 +54,8 @@ ShapedTextCache :: struct {
}
Entry :: struct {
parser_info : ^ParserFontInfo,
shaper_info : ^ShaperInfo,
parser_info : ParserFontInfo,
shaper_info : ShaperInfo,
id : FontID,
used : b32,
size : f32,
@@ -381,18 +381,18 @@ load_font :: proc( ctx : ^Context, label : string, data : []byte, size_px : f32
entry := & entries.data[ id ]
{
using entry
parser_info = parser_load_font( parser_ctx, label, data )
assert( parser_info != nil, "VEFontCache.load_font: Failed to load font info from parser" )
parser_info = parser_load_font( & parser_ctx, label, data )
// assert( parser_info != nil, "VEFontCache.load_font: Failed to load font info from parser" )
size = size_px
size_scale = size_px < 0.0 ? \
parser_scale_for_pixel_height( parser_info, -size_px ) \
: parser_scale_for_mapping_em_to_pixels( parser_info, size_px )
parser_scale_for_pixel_height( & parser_info, -size_px ) \
: parser_scale_for_mapping_em_to_pixels( & parser_info, size_px )
used = true
shaper_info = shaper_load_font( & shaper_ctx, label, data, transmute(rawptr) id )
assert( shaper_info != nil, "VEFontCache.load_font: Failed to load font from shaper")
// assert( shaper_info != nil, "VEFontCache.load_font: Failed to load font from shaper")
return id
}
@@ -409,8 +409,8 @@ unload_font :: proc( ctx : ^Context, font : FontID )
entry := & entries.data[ font ]
entry.used = false
parser_unload_font( entry.parser_info )
shaper_unload_font( entry.shaper_info )
parser_unload_font( & entry.parser_info )
shaper_unload_font( & entry.shaper_info )
}
cache_glyph :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph, scale, translate : Vec2 ) -> b32
@@ -424,10 +424,10 @@ cache_glyph :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph, scale,
}
// No shpae to retrieve
if parser_is_glyph_empty( entry.parser_info, glyph_index ) do return true
if parser_is_glyph_empty( & entry.parser_info, glyph_index ) do return true
// Retrieve the shape definition from the parser.
shape, error := parser_get_glyph_shape( entry.parser_info, glyph_index )
shape, error := parser_get_glyph_shape( & entry.parser_info, glyph_index )
assert( error == .None )
if len(shape) == 0 {
return false
@@ -461,7 +461,7 @@ cache_glyph :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph, scale,
We need a random point that is outside our shape. We simply pick something diagonally across from top-left bound corner.
Note that this outside point is scaled alongside the glyph in ve_fontcache_draw_filled_path, so we don't need to handle that here.
*/
bounds_0, bounds_1 := parser_get_glyph_box( entry.parser_info, glyph_index )
bounds_0, bounds_1 := parser_get_glyph_box( & entry.parser_info, glyph_index )
outside := Vec2 {
f32(bounds_0.x - 21),
@@ -530,7 +530,7 @@ cache_glyph :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph, scale,
append(& ctx.draw_list.calls, draw)
}
parser_free_shape( entry.parser_info, shape )
parser_free_shape( & entry.parser_info, shape )
return false
}
@@ -541,10 +541,10 @@ cache_glyph_to_atlas :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph
entry := & ctx.entries.data[ font ]
if glyph_index == 0 do return
if parser_is_glyph_empty( entry.parser_info, glyph_index ) do return
if parser_is_glyph_empty( & entry.parser_info, glyph_index ) do return
// Get hb_font text metrics. These are unscaled!
bounds_0, bounds_1 := parser_get_glyph_box( entry.parser_info, glyph_index )
bounds_0, bounds_1 := parser_get_glyph_box( & entry.parser_info, glyph_index )
bounds_width := bounds_1.x - bounds_0.x
bounds_height := bounds_1.y - bounds_0.y
@@ -655,7 +655,7 @@ cache_glyph_to_atlas :: proc( ctx : ^Context, font : FontID, glyph_index : Glyph
is_empty :: proc( ctx : ^Context, entry : ^Entry, glyph_index : Glyph ) -> b32
{
if glyph_index == 0 do return true
if parser_is_glyph_empty( entry.parser_info, glyph_index ) do return true
if parser_is_glyph_empty( & entry.parser_info, glyph_index ) do return true
return false
}
@@ -718,12 +718,12 @@ shape_text_uncached :: proc( ctx : ^Context, font : FontID, output : ^ShapedText
clear( output.glyphs )
clear( output.positions )
ascent, descent, line_gap := parser_get_font_vertical_metrics( entry.parser_info )
ascent, descent, line_gap := parser_get_font_vertical_metrics( & entry.parser_info )
if use_full_text_shape
{
assert( entry.shaper_info != nil )
shaper_shape_from_text( & ctx.shaper_ctx, entry.shaper_info, output, text_utf8, ascent, descent, line_gap, entry.size, entry.size_scale )
// assert( entry.shaper_info != nil )
shaper_shape_from_text( & ctx.shaper_ctx, & entry.shaper_info, output, text_utf8, ascent, descent, line_gap, entry.size, entry.size_scale )
return
}
else
@@ -744,7 +744,7 @@ shape_text_uncached :: proc( ctx : ^Context, font : FontID, output : ^ShapedText
for codepoint in text_utf8
{
if prev_codepoint > 0 {
kern := parser_get_codepoint_kern_advance( entry.parser_info, prev_codepoint, codepoint )
kern := parser_get_codepoint_kern_advance( & entry.parser_info, prev_codepoint, codepoint )
position.x += f32(kern) * entry.size_scale
}
if codepoint == '\n'
@@ -759,8 +759,8 @@ shape_text_uncached :: proc( ctx : ^Context, font : FontID, output : ^ShapedText
position.x = math.ceil( position.x )
}
append( & output.glyphs, parser_find_glyph_index( entry.parser_info, codepoint ))
advance, to_left_side_glyph = parser_get_codepoint_horizontal_metrics( entry.parser_info, codepoint )
append( & output.glyphs, parser_find_glyph_index( & entry.parser_info, codepoint ))
advance, to_left_side_glyph = parser_get_codepoint_horizontal_metrics( & entry.parser_info, codepoint )
append( & output.positions, Vec2 {
cast(f32) i32(position.x + 0.5),

4
code/font/VEFontCache/atlas.odin
View File

@@ -121,11 +121,11 @@ can_batch_glyph :: proc( ctx : ^Context, font : FontID, entry : ^Entry, glyph_in
decide_codepoint_region :: proc( ctx : ^Context, entry : ^Entry, glyph_index : Glyph
) -> (region_kind : AtlasRegionKind, region : ^AtlasRegion, over_sample : Vec2)
{
if parser_is_glyph_empty( entry.parser_info, glyph_index ) {
if parser_is_glyph_empty( & entry.parser_info, glyph_index ) {
region_kind = .None
}
bounds_0, bounds_1 := parser_get_glyph_box( entry.parser_info, glyph_index )
bounds_0, bounds_1 := parser_get_glyph_box( & entry.parser_info, glyph_index )
bounds_width := bounds_1.x - bounds_0.x
bounds_height := bounds_1.y - bounds_0.y

4
code/font/VEFontCache/draw.odin
View File

@@ -147,9 +147,9 @@ draw_cached_glyph :: proc( ctx : ^Context, entry : ^Entry, glyph_index : Glyph,
{
// Glyph not in current font
if glyph_index == 0 do return true
if parser_is_glyph_empty( entry.parser_info, glyph_index ) do return true
if parser_is_glyph_empty( & entry.parser_info, glyph_index ) do return true
bounds_0, bounds_1 := parser_get_glyph_box( entry.parser_info, glyph_index )
bounds_0, bounds_1 := parser_get_glyph_box( & entry.parser_info, glyph_index )
bounds_width := bounds_1.x - bounds_0.x
bounds_height := bounds_1.y - bounds_0.y

22
code/font/VEFontCache/parser.odin
View File

@@ -50,7 +50,7 @@ ParserContext :: struct {
kind : ParserKind,
ft_library : freetype.Library,
fonts : HMapChained(ParserFontInfo),
// fonts : HMapChained(ParserFontInfo),
}
parser_init :: proc( ctx : ^ParserContext )
@@ -65,9 +65,9 @@ parser_init :: proc( ctx : ^ParserContext )
// Do nothing intentional
}
error : AllocatorError
ctx.fonts, error = make( HMapChained(ParserFontInfo), 256 )
assert( error == .None, "VEFontCache.parser_init: Failed to allocate fonts array" )
// error : AllocatorError
// ctx.fonts, error = make( HMapChained(ParserFontInfo), 256 )
// assert( error == .None, "VEFontCache.parser_init: Failed to allocate fonts array" )
}
parser_shutdown :: proc( ctx : ^ParserContext )
@@ -75,15 +75,15 @@ parser_shutdown :: proc( ctx : ^ParserContext )
// TODO(Ed): Implement
}
parser_load_font :: proc( ctx : ParserContext, label : string, data : []byte ) -> (font : ^ParserFontInfo)
parser_load_font :: proc( ctx : ^ParserContext, label : string, data : []byte ) -> (font : ParserFontInfo)
{
key := font_key_from_label(label)
font = get( ctx.fonts, key )
if font != nil do return
// key := font_key_from_label(label)
// font = get( ctx.fonts, key )
// if font != nil do return
error : AllocatorError
font, error = set( ctx.fonts, key, ParserFontInfo {} )
assert( error == .None, "VEFontCache.parser_load_font: Failed to set a new parser font info" )
// error : AllocatorError
// font, error = set( ctx.fonts, key, ParserFontInfo {} )
// assert( error == .None, "VEFontCache.parser_load_font: Failed to set a new parser font info" )
switch ctx.kind
{
case .Freetype:

25
code/font/VEFontCache/shaper.odin
View File

@@ -14,8 +14,7 @@ ShaperKind :: enum {
ShaperContext :: struct {
hb_buffer : harfbuzz.Buffer,
infos : HMapChained(ShaperInfo),
// infos : HMapChained(ShaperInfo),
}
ShaperInfo :: struct {
@@ -29,9 +28,9 @@ shaper_init :: proc( ctx : ^ShaperContext )
ctx.hb_buffer = harfbuzz.buffer_create()
assert( ctx.hb_buffer != nil, "VEFontCache.shaper_init: Failed to create harfbuzz buffer")
error : AllocatorError
ctx.infos, error = make( HMapChained(ShaperInfo), 256 )
assert( error == .None, "VEFontCache.shaper_init: Failed to create shaper infos map" )
// error : AllocatorError
// ctx.infos, error = make( HMapChained(ShaperInfo), 256 )
// assert( error == .None, "VEFontCache.shaper_init: Failed to create shaper infos map" )
}
shaper_shutdown :: proc( ctx : ^ShaperContext )
@@ -40,18 +39,18 @@ shaper_shutdown :: proc( ctx : ^ShaperContext )
harfbuzz.buffer_destory( ctx.hb_buffer )
}
delete(& ctx.infos)
// delete(& ctx.infos)
}
shaper_load_font :: proc( ctx : ^ShaperContext, label : string, data : []byte, user_data : rawptr ) -> (info : ^ShaperInfo)
shaper_load_font :: proc( ctx : ^ShaperContext, label : string, data : []byte, user_data : rawptr ) -> (info : ShaperInfo)
{
key := font_key_from_label( label )
info = get( ctx.infos, key )
if info != nil do return
// key := font_key_from_label( label )
// info = get( ctx.infos, key )
// if info != nil do return
error : AllocatorError
info, error = set( ctx.infos, key, ShaperInfo {} )
assert( error == .None, "VEFontCache.parser_load_font: Failed to set a new shaper info" )
// error : AllocatorError
// info, error = set( ctx.infos, key, ShaperInfo {} )
// assert( error == .None, "VEFontCache.parser_load_font: Failed to set a new shaper info" )
using info
blob = harfbuzz.blob_create( raw_data(data), cast(c.uint) len(data), harfbuzz.Memory_Mode.READONLY, user_data, nil )