piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-25 15:19:42 -06:00
Code Issues Packages Projects Releases Wiki Activity

Remove unused sRGB conversion functions

Browse Source 
Now the arbitrary mipmap reference downsampling is just done in linear space,
these are no longer used.
This commit is contained in:
Jonathan Hamilton
2018-07-02 09:46:16 -07:00
parent 431b9e76be
commit b54803a074
1 changed files with 0 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
Source/Core/VideoCommon/TextureCacheBase.cpp
View File

@ -544,19 +544,6 @@ public:
} }
private: private:
static float SRGBToLinear(u8 srgb_byte)
{
auto srgb_float = static_cast<float>(srgb_byte) / 256.f;
// approximations found on
// http://chilliant.blogspot.com/2012/08/srgb-approximations-for-hlsl.html
return srgb_float * (srgb_float * (srgb_float * 0.305306011f + 0.682171111f) + 0.012522878f);
}
static u8 LinearToSRGB(float linear)
{
return static_cast<u8>(std::max(1.055f * std::pow(linear, 0.416666667f) - 0.055f, 0.f) * 256.f);
}
struct Shape struct Shape
{ {
u32 width; u32 width;
@ -569,12 +556,6 @@ private:
Shape shape; Shape shape;
const u8* pixels; const u8* pixels;
static PixelRGBAf Sample(const u8* src, const Shape& src_shape, u32 x, u32 y)
{
const auto* p = src + (x + y * src_shape.row_length) * 4;
return {{SRGBToLinear(p[0]), SRGBToLinear(p[1]), SRGBToLinear(p[2]), SRGBToLinear(p[3])}};
}
static PixelRGBAu8 SampleLinear(const u8* src, const Shape& src_shape, u32 x, u32 y) static PixelRGBAu8 SampleLinear(const u8* src, const Shape& src_shape, u32 x, u32 y)
{ {
const auto* p = src + (x + y * src_shape.row_length) * 4; const auto* p = src + (x + y * src_shape.row_length) * 4;