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oklab <-> linear, linear <-> srgb

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This commit is contained in:
Ryan Fleury
2025-02-17 18:33:56 -08:00
parent 2b54f48aab
commit 42e3c406cd
2 changed files with 124 additions and 10 deletions
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src/base/base_math.h
+19 -3
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@@ -379,6 +379,7 @@ struct Rng1S64Array
#define abs_s64(v) (S64)llabs(v)
#define sqrt_f32(v) sqrtf(v)
#define cbrt_f32(v) cbrtf(v)
#define mod_f32(a, b) fmodf((a), (b))
#define pow_f32(b, e) powf((b), (e))
#define ceil_f32(v) ceilf(v)
@@ -396,6 +397,7 @@ struct Rng1S64Array
#define tan_f32(v) tanf(radians_from_turns_f32(v))
#define sqrt_f64(v) sqrt(v)
#define cbrt_f64(v) cbrt(v)
#define mod_f64(a, b) fmod((a), (b))
#define pow_f64(b, e) pow((b), (e))
#define ceil_f64(v) ceil(v)
@@ -651,15 +653,29 @@ internal Rng2F32 intersect_2f32(Rng2F32 a, Rng2F32 b);
internal Vec2F32 clamp_2f32(Rng2F32 r, Vec2F32 v);
////////////////////////////////
//~ rjf: Miscellaneous Ops
//~ rjf: Color Operations
//- rjf: hsv <-> rgb
internal Vec3F32 hsv_from_rgb(Vec3F32 rgb);
internal Vec3F32 rgb_from_hsv(Vec3F32 hsv);
internal Vec4F32 hsva_from_rgba(Vec4F32 rgba);
internal Vec4F32 rgba_from_hsva(Vec4F32 hsva);
internal Vec4F32 rgba_from_u32(U32 hex);
internal U32 u32_from_rgba(Vec4F32 rgba);
//- rjf: srgb <-> linear
internal Vec3F32 linear_from_srgb(Vec3F32 srgb);
internal Vec3F32 srgb_from_linear(Vec3F32 linear);
internal Vec4F32 linear_from_srgba(Vec4F32 srgba);
internal Vec4F32 srgba_from_linear(Vec4F32 linear);
//- rjf: oklab <-> linear
internal Vec3F32 oklab_from_linear(Vec3F32 linear);
internal Vec3F32 linear_from_oklab(Vec3F32 oklab);
internal Vec4F32 oklab_from_lineara(Vec4F32 lineara);
internal Vec4F32 lineara_from_oklab(Vec4F32 oklab);
//- rjf: rgba <-> u32
internal U32 u32_from_rgba(Vec4F32 rgba);
internal Vec4F32 rgba_from_u32(U32 hex);
#define rgba_from_u32_lit_comp(h) { (((h)&0xff000000)>>24)/255.f, (((h)&0x00ff0000)>>16)/255.f, (((h)&0x0000ff00)>> 8)/255.f, (((h)&0x000000ff)>> 0)/255.f }
////////////////////////////////