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nir: add sysval for user-clip-planes

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For lowering user-clip-planes, we need a way to pass the enabled/used
user-clip-planes in to shader.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Rob Clark
2015-08-27 17:42:40 -04:00
parent c4572b7dfe
commit 53671a3723
1 changed files with 14 additions and 13 deletions
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27
src/glsl/nir/nir_intrinsics.h
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@@ -128,21 +128,22 @@ INTRINSIC(image_size, 0, ARR(), true, 4, 1, 0,
INTRINSIC(image_samples, 0, ARR(), true, 1, 1, 0,
NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER)
#define SYSTEM_VALUE(name, components) \
INTRINSIC(load_##name, 0, ARR(), true, components, 0, 0, \
#define SYSTEM_VALUE(name, components, num_indices) \
INTRINSIC(load_##name, 0, ARR(), true, components, 0, num_indices, \
NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER)
SYSTEM_VALUE(front_face, 1)
SYSTEM_VALUE(vertex_id, 1)
SYSTEM_VALUE(vertex_id_zero_base, 1)
SYSTEM_VALUE(base_vertex, 1)
SYSTEM_VALUE(instance_id, 1)
SYSTEM_VALUE(sample_id, 1)
SYSTEM_VALUE(sample_pos, 2)
SYSTEM_VALUE(sample_mask_in, 1)
SYSTEM_VALUE(invocation_id, 1)
SYSTEM_VALUE(local_invocation_id, 3)
SYSTEM_VALUE(work_group_id, 3)
SYSTEM_VALUE(front_face, 1, 0)
SYSTEM_VALUE(vertex_id, 1, 0)
SYSTEM_VALUE(vertex_id_zero_base, 1, 0)
SYSTEM_VALUE(base_vertex, 1, 0)
SYSTEM_VALUE(instance_id, 1, 0)
SYSTEM_VALUE(sample_id, 1, 0)
SYSTEM_VALUE(sample_pos, 2, 0)
SYSTEM_VALUE(sample_mask_in, 1, 0)
SYSTEM_VALUE(invocation_id, 1, 0)
SYSTEM_VALUE(local_invocation_id, 3, 0)
SYSTEM_VALUE(work_group_id, 3, 0)
SYSTEM_VALUE(user_clip_plane, 4, 1) /* const_index[0] is user_clip_plane[idx] */
/*
* The format of the indices depends on the type of the load. For uniforms,