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turnip: implement intrinsic_vulkan_resource_reindex 

Descriptor arrays are continuous, so it's just an addition of offset.

Fixes test:
 dEQP-VK.spirv_assembly.instruction.compute.variable_pointers.dynamic_offset.select_descriptor_array

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9495>
This commit is contained in:
Danylo Piliaiev 2021-03-10 14:29:31 +02:00 committed by Marge Bot
parent 3dc8102420
commit b8ca39a80d
1 changed files with 18 additions and 0 deletions
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18
src/freedreno/vulkan/tu_shader.c
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@ -240,6 +240,21 @@ lower_vulkan_resource_index(nir_builder *b, nir_intrinsic_instr *instr,
nir_instr_remove(&instr->instr);
}
static void
lower_vulkan_resource_reindex(nir_builder *b, nir_intrinsic_instr *instr)
{
nir_ssa_def *old_index = instr->src[0].ssa;
nir_ssa_def *delta = instr->src[1].ssa;
nir_ssa_def *new_index =
nir_vec3(b, nir_channel(b, old_index, 0),
nir_iadd(b, nir_channel(b, old_index, 1), delta),
nir_channel(b, old_index, 2));
nir_ssa_def_rewrite_uses(&instr->dest.ssa, new_index);
nir_instr_remove(&instr->instr);
}
static void
lower_load_vulkan_descriptor(nir_intrinsic_instr *intrin)
{
@ -410,6 +425,9 @@ lower_intrinsic(nir_builder *b, nir_intrinsic_instr *instr,
case nir_intrinsic_vulkan_resource_index:
lower_vulkan_resource_index(b, instr, shader, layout);
return true;
case nir_intrinsic_vulkan_resource_reindex:
lower_vulkan_resource_reindex(b, instr);
return true;
case nir_intrinsic_load_ubo:
case nir_intrinsic_load_ssbo: