From 278a4c317c0b87add67cc9ebc904afe1db23a031 Mon Sep 17 00:00:00 2001 From: gdk Date: Thu, 31 Oct 2019 00:29:22 -0300 Subject: Implement BFI, BRK, FLO, FSWZADD, PBK, SHFL and TXD shader instructions, misc. fixes --- .../CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl (limited to 'Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl') diff --git a/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl b/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl new file mode 100644 index 00000000..46750f20 --- /dev/null +++ b/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl @@ -0,0 +1,9 @@ +float Helper_ShuffleDown(float x, uint index, uint mask) +{ + uint clamp = mask & 0x1fu; + uint segMask = (mask >> 8) & 0x1fu; + uint minThreadId = gl_SubGroupInvocationARB & segMask; + uint maxThreadId = minThreadId | (clamp & ~segMask); + uint srcThreadId = gl_SubGroupInvocationARB + index; + return (srcThreadId <= maxThreadId) ? readInvocationARB(x, srcThreadId) : x; +} \ No newline at end of file -- cgit v1.2.3