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Massively improve the code generation around tile sizes

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This commit is contained in:
Gwilym Inzani 2023-09-06 08:51:47 +01:00
parent ed2e7dec5c
commit 5b3248ec5a
1 changed files with 3 additions and 7 deletions
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10
agb/src/display/tiled/vram_manager.rs
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@ -29,19 +29,15 @@ const fn layout_of(format: TileFormat) -> Layout {
} }
#[derive(Clone, Copy, Debug, PartialEq, Eq)] #[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(C)]
pub enum TileFormat { pub enum TileFormat {
FourBpp = 0, FourBpp = 5,
EightBpp = 1, EightBpp = 6,
} }
impl TileFormat { impl TileFormat {
/// Returns the size of the tile in bytes /// Returns the size of the tile in bytes
pub(crate) const fn tile_size(self) -> usize { pub(crate) const fn tile_size(self) -> usize {
match self { 1 << self as usize
TileFormat::FourBpp => 8 * 8 / 2,
TileFormat::EightBpp => 8 * 8,
}
} }
} }