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Changes based on latest from Sectr Prototype

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This commit is contained in:
Edward R. Gonzalez
2024-06-29 22:38:59 -04:00
parent 5461227a04
commit e59879f696
8 changed files with 166 additions and 258 deletions
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32
atlas.odin
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@@ -13,21 +13,21 @@ AtlasRegionKind :: enum u8 {
AtlasRegion :: struct {
state : LRU_Cache,
width : u32,
height : u32,
width : i32,
height : i32,
size : Vec2i,
capacity : Vec2i,
offset : Vec2i,
next_idx : u32,
next_idx : i32,
}
Atlas :: struct {
width : u32,
height : u32,
width : i32,
height : i32,
glyph_padding : u32,
glyph_padding : i32,
region_a : AtlasRegion,
region_b : AtlasRegion,
@@ -43,8 +43,8 @@ atlas_bbox :: proc( atlas : ^Atlas, region : AtlasRegionKind, local_idx : i32 )
size.x = f32(atlas.region_a.width)
size.y = f32(atlas.region_a.height)
position.x = cast(f32) (( local_idx % atlas.region_a.capacity.x ) * i32(atlas.region_a.width))
position.y = cast(f32) (( local_idx / atlas.region_a.capacity.x ) * i32(atlas.region_a.height))
position.x = cast(f32) (( local_idx % atlas.region_a.capacity.x ) * atlas.region_a.width)
position.y = cast(f32) (( local_idx / atlas.region_a.capacity.x ) * atlas.region_a.height)
position.x += f32(atlas.region_a.offset.x)
position.y += f32(atlas.region_a.offset.y)
@@ -53,8 +53,8 @@ atlas_bbox :: proc( atlas : ^Atlas, region : AtlasRegionKind, local_idx : i32 )
size.x = f32(atlas.region_b.width)
size.y = f32(atlas.region_b.height)
position.x = cast(f32) (( local_idx % atlas.region_b.capacity.x ) * i32(atlas.region_b.width))
position.y = cast(f32) (( local_idx / atlas.region_b.capacity.x ) * i32(atlas.region_b.height))
position.x = cast(f32) (( local_idx % atlas.region_b.capacity.x ) * atlas.region_b.width)
position.y = cast(f32) (( local_idx / atlas.region_b.capacity.x ) * atlas.region_b.height)
position.x += f32(atlas.region_b.offset.x)
position.y += f32(atlas.region_b.offset.y)
@@ -63,8 +63,8 @@ atlas_bbox :: proc( atlas : ^Atlas, region : AtlasRegionKind, local_idx : i32 )
size.x = f32(atlas.region_c.width)
size.y = f32(atlas.region_c.height)
position.x = cast(f32) (( local_idx % atlas.region_c.capacity.x ) * i32(atlas.region_c.width))
position.y = cast(f32) (( local_idx / atlas.region_c.capacity.x ) * i32(atlas.region_c.height))
position.x = cast(f32) (( local_idx % atlas.region_c.capacity.x ) * atlas.region_c.width)
position.y = cast(f32) (( local_idx / atlas.region_c.capacity.x ) * atlas.region_c.height)
position.x += f32(atlas.region_c.offset.x)
position.y += f32(atlas.region_c.offset.y)
@@ -73,8 +73,8 @@ atlas_bbox :: proc( atlas : ^Atlas, region : AtlasRegionKind, local_idx : i32 )
size.x = f32(atlas.region_d.width)
size.y = f32(atlas.region_d.height)
position.x = cast(f32) (( local_idx % atlas.region_d.capacity.x ) * i32(atlas.region_d.width))
position.y = cast(f32) (( local_idx / atlas.region_d.capacity.x ) * i32(atlas.region_d.height))
position.x = cast(f32) (( local_idx % atlas.region_d.capacity.x ) * atlas.region_d.width)
position.y = cast(f32) (( local_idx / atlas.region_d.capacity.x ) * atlas.region_d.height)
position.x += f32(atlas.region_d.offset.x)
position.y += f32(atlas.region_d.offset.y)
@@ -101,8 +101,8 @@ decide_codepoint_region :: proc(ctx : ^Context, entry : ^Entry, glyph_index : Gl
glyph_buffer := & ctx.glyph_buffer
glyph_padding := f32( atlas.glyph_padding ) * 2
bounds_width_scaled := u32(bounds_width * entry.size_scale + glyph_padding)
bounds_height_scaled := u32(bounds_height * entry.size_scale + glyph_padding)
bounds_width_scaled := i32(bounds_width * entry.size_scale + glyph_padding)
bounds_height_scaled := i32(bounds_height * entry.size_scale + glyph_padding)
// Use a lookup table for faster region selection
region_lookup := [4]struct { kind: AtlasRegionKind, region: ^AtlasRegion } {