0
0
Fork 0
mirror of https://github.com/ryujinx-mirror/ryujinx.git synced 2024-12-24 01:25:45 +00:00
ryujinx-fork/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl

7 lines
251 B
Text
Raw Normal View History

float Helper_SwizzleAdd(float x, float y, int mask)
{
vec4 xLut = vec4(1.0, -1.0, 1.0, 0.0);
vec4 yLut = vec4(1.0, 1.0, -1.0, 1.0);
int lutIdx = mask >> int($SUBGROUP_INVOCATION$ & 3u) * 2;
return x * xLut[lutIdx] + y * yLut[lutIdx];
}