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zink: export PIPE_CAP_MAX*_VARYINGS values

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this is separate from PIPE_SHADER_CAP_MAX_OUTPUTS

fixes mesa/mesa#3105

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7110>
This commit is contained in:
Mike Blumenkrantz 2020-09-08 15:08:20 -04:00 • committed by Marge Bot
parent d50e8554b9
commit 23e731fcdb
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/zink/zink_screen.c
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@ -321,6 +321,12 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TWO_SIDED_COLOR:
return 0;
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
return screen->info.props.limits.maxTessellationControlPerVertexOutputComponents / 4;
case PIPE_CAP_MAX_VARYINGS:
/* need to reserve up to 60 of our varying components and 16 slots for streamout */
return MIN2(screen->info.props.limits.maxVertexOutputComponents / 4 / 2, 16);
case PIPE_CAP_DMABUF:
return screen->info.have_KHR_external_memory_fd;