diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/slang/hlsl.meta.slang | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source/slang/hlsl.meta.slang b/source/slang/hlsl.meta.slang index 7774c0d01..8ad99d71b 100644 --- a/source/slang/hlsl.meta.slang +++ b/source/slang/hlsl.meta.slang @@ -6835,6 +6835,38 @@ __specialized_for_target(glsl) [[vk::spirv_instruction(1, "NonSemantic.DebugBreak")]] void debugBreak(); +// +// Realtime Clock support +// + +// https://github.com/KhronosGroup/GLSL/blob/master/extensions/ext/GL_EXT_shader_realtime_clock.txt + +[__requiresNVAPI] +__target_intrinsic(hlsl, "NvGetSpecial( NV_SPECIALOP_GLOBAL_TIMER_LO)") +__glsl_extension(GL_EXT_shader_realtime_clock) +__target_intrinsic(glsl, "clockRealtime2x32EXT().x") +__target_intrinsic(cuda, "clock") +uint getRealtimeClockLow(); + +__target_intrinsic(cuda, "clock64") +int64_t __cudaGetRealtimeClock(); + +[__requiresNVAPI] +__target_intrinsic(hlsl, "uint2(NvGetSpecial( NV_SPECIALOP_GLOBAL_TIMER_LO), NvGetSpecial( NV_SPECIALOP_GLOBAL_TIMER_HI)) ") +__glsl_extension(GL_EXT_shader_realtime_clock) +__target_intrinsic(glsl, "clockRealtime2x32EXT()") +uint2 getRealtimeClock(); + +__specialized_for_target(cuda) +uint2 getRealtimeClock() +{ + int64_t ticks = __cudaGetRealtimeClock(); + return uint2(uint(ticks), uint(uint64_t(ticks) >> 32)); +} + +// +// CUDA specific +// __target_intrinsic(cuda, "(threadIdx)") [__readNone] |