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Remove stale comments.

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This commit is contained in:
Nathan Vegdahl 2020-09-10 22:39:17 +09:00
parent 7066c38189
commit 339568ec0c
1 changed files with 0 additions and 7 deletions
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7
sub_crates/trifloat/src/rgb32.rs
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@ -59,11 +59,6 @@ pub fn encode(floats: (f32, f32, f32)) -> u32 {
} }
// Encode Co and Cg as 8-bit integers. // Encode Co and Cg as 8-bit integers.
// Note that the max values for each of these will get clamped
// very slightly, but that represents extremely saturated
// colors, where the human eye is not very sensitive to chroma
// differences anyway. And the trade-off is that we can
// represent 0.0 (completely unsaturated, no chroma) exactly.
let inv_y = 1.0 / y; let inv_y = 1.0 / y;
let co_8bit = ((co * inv_y * 63.5) + 127.5).min(255.0).max(0.0) as u8; let co_8bit = ((co * inv_y * 63.5) + 127.5).min(255.0).max(0.0) as u8;
let cg_8bit = ((cg * inv_y * 127.0) + 127.5).min(255.0).max(0.0) as u8; let cg_8bit = ((cg * inv_y * 127.0) + 127.5).min(255.0).max(0.0) as u8;
@ -95,8 +90,6 @@ pub fn encode(floats: (f32, f32, f32)) -> u32 {
/// Decodes a packed HDR RGB 32-bit format into three full /// Decodes a packed HDR RGB 32-bit format into three full
/// floating point RGB numbers. /// floating point RGB numbers.
///
/// This operation is lossless and cannot fail.
#[inline] #[inline]
pub fn decode(packed_rgb: u32) -> (f32, f32, f32) { pub fn decode(packed_rgb: u32) -> (f32, f32, f32) {
// Reconstruct Y, Co, and Cg from the packed bits. // Reconstruct Y, Co, and Cg from the packed bits.