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ac/shader: gather If TES reads TESSINNER or TESSOUTER 

This shouldn't be scanned in the pipeline.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset 2018-01-12 12:49:28 +01:00
parent aebde47840
commit 5ba1a61648
5 changed files with 8 additions and 4 deletions
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2
src/amd/common/ac_nir_to_llvm.c
View File

@ -6310,7 +6310,7 @@ write_tess_factors(struct nir_to_llvm_context *ctx)
16 + tf_offset, 1, 0, true, false);
//store to offchip for TES to read - only if TES reads them
if (ctx->options->key.tcs.tes_reads_tess_factors) {
if (ctx->shader_info->info.tes.reads_tess_factors) {
LLVMValueRef inner_vec, outer_vec, tf_outer_offset;
LLVMValueRef tf_inner_offset;
unsigned param_outer, param_inner;

1
src/amd/common/ac_nir_to_llvm.h
View File

@ -55,7 +55,6 @@ struct ac_tcs_variant_key {
struct ac_vs_variant_key vs_key;
unsigned primitive_mode;
unsigned input_vertices;
uint32_t tes_reads_tess_factors:1;
};
struct ac_fs_variant_key {

4
src/amd/common/ac_shader_info.c
View File

@ -106,6 +106,10 @@ gather_intrinsic_info(const nir_intrinsic_instr *instr,
mark_sampler_desc(instr->variables[0]->var, info);
break;
}
case nir_intrinsic_load_tess_level_inner:
case nir_intrinsic_load_tess_level_outer:
info->tes.reads_tess_factors = true;
break;
default:
break;
}

3
src/amd/common/ac_shader_info.h
View File

@ -49,6 +49,9 @@ struct ac_shader_info {
bool uses_thread_id[3];
bool uses_local_invocation_idx;
} cs;
struct {
bool reads_tess_factors;
} tes;
};
/* A NIR pass to gather all the info needed to optimise the allocation patterns

2
src/amd/vulkan/radv_pipeline.c
View File

@ -1759,8 +1759,6 @@ radv_fill_shader_keys(struct ac_shader_variant_key *keys,
keys[MESA_SHADER_VERTEX].vs.as_ls = true;
keys[MESA_SHADER_TESS_CTRL].tcs.input_vertices = key->tess_input_vertices;
keys[MESA_SHADER_TESS_CTRL].tcs.primitive_mode = nir[MESA_SHADER_TESS_EVAL]->info.tess.primitive_mode;
keys[MESA_SHADER_TESS_CTRL].tcs.tes_reads_tess_factors = !!(nir[MESA_SHADER_TESS_EVAL]->info.inputs_read & (VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER));
}
if (nir[MESA_SHADER_GEOMETRY]) {