diff options
| author | Laszlo Agocs <laszlo.agocs@qt.io> | 2020-09-17 15:38:40 +0200 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2020-09-18 09:49:54 +0200 |
| commit | 8fe16fef283d281454d575829c2411ec923a5c8b (patch) | |
| tree | 4bebd4a80c8d78776f14cc16ab4d79f16caa9dda /src/gui/rhi/qrhimetal.mm | |
| parent | 6f2c7469f86785e6ba81fe0280210ef7275099de (diff) | |
rhi: Expose compute threadgroup limits in ResourceLimits
As OpenGL ES and Vulkan ruin the day with the spec mandated minimum
value for max threads per threadgroup being only 128, clients need
a way to decide if their compute shader (local_size_*) is suitable
for use at run time.
Change-Id: I72b4fc97032406340623add82ea4d9544ebe9fdc
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
Diffstat (limited to 'src/gui/rhi/qrhimetal.mm')
| -rw-r--r-- | src/gui/rhi/qrhimetal.mm | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gui/rhi/qrhimetal.mm b/src/gui/rhi/qrhimetal.mm index fbb2003fb2..2736377c78 100644 --- a/src/gui/rhi/qrhimetal.mm +++ b/src/gui/rhi/qrhimetal.mm @@ -587,6 +587,20 @@ int QRhiMetal::resourceLimit(QRhi::ResourceLimit limit) const return QMTL_FRAMES_IN_FLIGHT; case QRhi::MaxAsyncReadbackFrames: return QMTL_FRAMES_IN_FLIGHT; + case QRhi::MaxThreadGroupsPerDimension: + return 65535; + case QRhi::MaxThreadsPerThreadGroup: + Q_FALLTHROUGH(); + case QRhi::MaxThreadGroupX: + Q_FALLTHROUGH(); + case QRhi::MaxThreadGroupY: + Q_FALLTHROUGH(); + case QRhi::MaxThreadGroupZ: +#if defined(Q_OS_MACOS) + return 1024; +#else + return 512; +#endif default: Q_UNREACHABLE(); return 0; |