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nir: add nir_intrinsic_load_rasterization_primitive_amd

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For VK_KHR_fragment_shader_barycentric, AMD needs to know the primitive
topology in the fragment shader but with fast-link GPL this is unknown
at compile time and it needs to be passed dynamically.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16742>
This commit is contained in:
Samuel Pitoiset 2023-05-31 16:26:57 +02:00 • committed by Marge Bot
parent 116ee98106
commit 98bb7e10e7
2 changed files with 4 additions and 0 deletions
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1
src/compiler/nir/nir_divergence_analysis.c
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@ -211,6 +211,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
case nir_intrinsic_load_shared_uniform_block_intel:
case nir_intrinsic_load_barycentric_optimize_amd:
case nir_intrinsic_load_poly_line_smooth_enabled:
case nir_intrinsic_load_rasterization_primitive_amd:
is_divergent = false;
break;

3
src/compiler/nir/nir_intrinsics.py
View file

@ -1400,6 +1400,9 @@ system_value("ring_attr_offset_amd", 1)
# Load provoking vertex info
system_value("provoking_vtx_amd", 1)
# Load rasterization primitive
system_value("rasterization_primitive_amd", 1);
# Number of patches processed by each TCS workgroup
system_value("tcs_num_patches_amd", 1)
# Relative tessellation patch ID within the current workgroup