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anv: shader printf example

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25814>
This commit is contained in:
Lionel Landwerlin 2024-04-11 21:00:23 +03:00 • committed by Marge Bot
parent 5b76696861
commit 0daf5e243f
1 changed files with 67 additions and 0 deletions
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67
src/intel/vulkan/anv_pipeline.c
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@ -922,6 +922,64 @@ anv_fixup_subgroup_size(struct anv_device *device, struct shader_info *info)
}
}
/* #define DEBUG_PRINTF_EXAMPLE 0 */
#if DEBUG_PRINTF_EXAMPLE
static bool
print_ubo_load(nir_builder *b,
nir_intrinsic_instr *intrin,
UNUSED void *cb_data)
{
if (intrin->intrinsic != nir_intrinsic_load_ubo)
return false;
b->cursor = nir_before_instr(&intrin->instr);
nir_printf_fmt(b, true, 64, "ubo=> pos=%02.2fx%02.2f offset=0x%08x\n",
nir_channel(b, nir_load_frag_coord(b), 0),
nir_channel(b, nir_load_frag_coord(b), 1),
intrin->src[1].ssa);
b->cursor = nir_after_instr(&intrin->instr);
nir_printf_fmt(b, true, 64, "ubo<= pos=%02.2fx%02.2f offset=0x%08x val=0x%08x\n",
nir_channel(b, nir_load_frag_coord(b), 0),
nir_channel(b, nir_load_frag_coord(b), 1),
intrin->src[1].ssa,
&intrin->def);
return true;
}
#endif
static bool
print_tex_handle(nir_builder *b,
nir_instr *instr,
UNUSED void *cb_data)
{
if (instr->type != nir_instr_type_tex)
return false;
nir_tex_instr *tex = nir_instr_as_tex(instr);
nir_src tex_src;
for (unsigned i = 0; i < tex->num_srcs; i++) {
if (tex->src[i].src_type == nir_tex_src_texture_handle)
tex_src = tex->src[i].src;
}
b->cursor = nir_before_instr(instr);
nir_printf_fmt(b, true, 64, "starting pos=%02.2fx%02.2f tex=0x%08x\n",
nir_channel(b, nir_load_frag_coord(b), 0),
nir_channel(b, nir_load_frag_coord(b), 1),
tex_src.ssa);
b->cursor = nir_after_instr(instr);
nir_printf_fmt(b, true, 64, "done pos=%02.2fx%02.2f tex=0x%08x\n",
nir_channel(b, nir_load_frag_coord(b), 0),
nir_channel(b, nir_load_frag_coord(b), 1),
tex_src.ssa);
return true;
}
static void
anv_pipeline_lower_nir(struct anv_pipeline *pipeline,
void *mem_ctx,
@ -1112,6 +1170,15 @@ anv_pipeline_lower_nir(struct anv_pipeline *pipeline,
stage->push_desc_info.fully_promoted_ubo_descriptors =
anv_nir_push_desc_ubo_fully_promoted(nir, layout, &stage->bind_map);
#if DEBUG_PRINTF_EXAMPLE
if (stage->stage == MESA_SHADER_FRAGMENT) {
nir_shader_intrinsics_pass(nir, print_ubo_load,
nir_metadata_block_index |
nir_metadata_dominance,
NULL);
}
#endif
stage->nir = nir;
}