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Insane perfomrance after tuning the batch and caches.

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Edward R. Gonzalez
2025-01-09 14:54:59 -05:00
parent b4abde1094
commit 08a8b4b823
7 changed files with 27 additions and 27 deletions
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2
code/font/vefontcache/shaper.odin
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@ -6,7 +6,7 @@ Note(Ed): The only reason I didn't directly use harfbuzz is because hamza exists
import "core:c"
import "thirdparty:harfbuzz"
Shape_Key :: u64
Shape_Key :: u32
/* A text whose codepoints have had their relevant glyphs and
associated data resolved for processing in a draw list generation stage.

30
code/font/vefontcache/vefontcache.odin
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@ -135,12 +135,12 @@ Init_Glyph_Draw_Params :: struct {
}
Init_Glyph_Draw_Params_Default :: Init_Glyph_Draw_Params {
snap_glyph_height = true,
snap_glyph_height = false,
over_sample = 4,
draw_padding = Init_Atlas_Params_Default.glyph_padding,
shape_gen_scratch_reserve = 4 * 1024,
buffer_glyph_limit = 16,
batch_glyph_limit = 2 * 1024,
shape_gen_scratch_reserve = 512,
buffer_glyph_limit = 4,
batch_glyph_limit = 32,
}
Init_Shaper_Params :: struct {
@ -152,7 +152,7 @@ Init_Shaper_Params :: struct {
}
Init_Shaper_Params_Default :: Init_Shaper_Params {
snap_glyph_position = true,
snap_glyph_position = false,
adv_snap_small_font_threshold = 0,
}
@ -166,20 +166,20 @@ Init_Shape_Cache_Params :: struct {
Init_Shape_Cache_Params_Default :: Init_Shape_Cache_Params {
capacity = 10 * 1024,
reserve = 512,
reserve = 128,
}
//#region("lifetime")
// ve_fontcache_init
startup :: proc( ctx : ^Context, parser_kind : Parser_Kind = .STB_TrueType,
startup :: proc( ctx : ^Context, parser_kind : Parser_Kind = .STB_TrueType, // Note(Ed): Only sbt_truetype supported for now.
allocator := context.allocator,
atlas_params := Init_Atlas_Params_Default,
glyph_draw_params := Init_Glyph_Draw_Params_Default,
shape_cache_params := Init_Shape_Cache_Params_Default,
shaper_params := Init_Shaper_Params_Default,
alpha_sharpen : f32 = 0.15,
px_scalar : f32 = 2.0,
alpha_sharpen : f32 = 0.1,
px_scalar : f32 = 1.89,
// Curve quality to use for a font when unspecified,
// Affects step size for bezier curve passes in generate_glyph_pass_draw_list
@ -324,19 +324,19 @@ startup :: proc( ctx : ^Context, parser_kind : Parser_Kind = .STB_TrueType,
glyph_buffer.clear_draw_list.calls, error = make( [dynamic]Draw_Call, len = 0, cap = Kilobyte )
assert( error == .None, "VEFontCache.init : Failed to allocate calls for calls for clear_draw_list" )
glyph_buffer.shape_gen_scratch, error = make( [dynamic]Vertex, len = 0, cap = 4 * Kilobyte )
glyph_buffer.shape_gen_scratch, error = make( [dynamic]Vertex, len = 0, cap = glyph_draw_params.shape_gen_scratch_reserve )
assert(error == .None, "VEFontCache.init : Failed to allocate shape_gen_scratch")
batch_cache := & glyph_buffer.batch_cache
batch_cache.cap = i32(glyph_draw_params.batch_glyph_limit)
batch_cache.num = 0
batch_cache.table, error = make( map[Atlas_Key]b8, uint(glyph_draw_params.shape_gen_scratch_reserve) )
batch_cache.table, error = make( map[Atlas_Key]b8, uint(glyph_draw_params.batch_glyph_limit) )
assert(error == .None, "VEFontCache.init : Failed to allocate batch_cache")
glyph_buffer.glyph_pack,error = make_soa( #soa[dynamic]Glyph_Pack_Entry, length = 0, capacity = 1 * Kilobyte )
glyph_buffer.oversized, error = make( [dynamic]i32, len = 0, cap = 1 * Kilobyte )
glyph_buffer.to_cache, error = make( [dynamic]i32, len = 0, cap = 1 * Kilobyte )
glyph_buffer.cached, error = make( [dynamic]i32, len = 0, cap = 1 * Kilobyte )
glyph_buffer.glyph_pack,error = make_soa( #soa[dynamic]Glyph_Pack_Entry, length = 0, capacity = uint(shape_cache_params.reserve) )
glyph_buffer.oversized, error = make( [dynamic]i32, len = 0, cap = uint(shape_cache_params.reserve) )
glyph_buffer.to_cache, error = make( [dynamic]i32, len = 0, cap = uint(shape_cache_params.reserve) )
glyph_buffer.cached, error = make( [dynamic]i32, len = 0, cap = uint(shape_cache_params.reserve) )
}
parser_init( & ctx.parser_ctx, parser_kind )