From: Kenneth Graunke Date: Mon, 9 Mar 2015 08:58:55 +0000 (-0700) Subject: i965: Implement NIR intrinsics for loading VS system values. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=34628a838aa96643be02cd23eb55af50025dd422;p=mesa.git i965: Implement NIR intrinsics for loading VS system values. Signed-off-by: Kenneth Graunke Reviewed-by: Jason Ekstrand --- diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index c225c00f973..7b83a35a940 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -363,6 +363,30 @@ emit_system_values_block(nir_block *block, void *void_visitor) nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr); switch (intrin->intrinsic) { + case nir_intrinsic_load_vertex_id: + unreachable("should be lowered by lower_vertex_id()."); + + case nir_intrinsic_load_vertex_id_zero_base: + assert(v->stage == MESA_SHADER_VERTEX); + reg = &v->nir_system_values[SYSTEM_VALUE_VERTEX_ID_ZERO_BASE]; + if (reg->file == BAD_FILE) + *reg = *v->emit_vs_system_value(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE); + break; + + case nir_intrinsic_load_base_vertex: + assert(v->stage == MESA_SHADER_VERTEX); + reg = &v->nir_system_values[SYSTEM_VALUE_BASE_VERTEX]; + if (reg->file == BAD_FILE) + *reg = *v->emit_vs_system_value(SYSTEM_VALUE_BASE_VERTEX); + break; + + case nir_intrinsic_load_instance_id: + assert(v->stage == MESA_SHADER_VERTEX); + reg = &v->nir_system_values[SYSTEM_VALUE_INSTANCE_ID]; + if (reg->file == BAD_FILE) + *reg = *v->emit_vs_system_value(SYSTEM_VALUE_INSTANCE_ID); + break; + case nir_intrinsic_load_sample_pos: assert(v->stage == MESA_SHADER_FRAGMENT); reg = &v->nir_system_values[SYSTEM_VALUE_SAMPLE_POS]; @@ -1344,6 +1368,33 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr) *emit_frontfacing_interpolation())); break; + case nir_intrinsic_load_vertex_id: + unreachable("should be lowered by lower_vertex_id()"); + + case nir_intrinsic_load_vertex_id_zero_base: { + fs_reg vertex_id = nir_system_values[SYSTEM_VALUE_VERTEX_ID_ZERO_BASE]; + assert(vertex_id.file != BAD_FILE); + dest.type = vertex_id.type; + emit(MOV(dest, vertex_id)); + break; + } + + case nir_intrinsic_load_base_vertex: { + fs_reg base_vertex = nir_system_values[SYSTEM_VALUE_BASE_VERTEX]; + assert(base_vertex.file != BAD_FILE); + dest.type = base_vertex.type; + emit(MOV(dest, base_vertex)); + break; + } + + case nir_intrinsic_load_instance_id: { + fs_reg instance_id = nir_system_values[SYSTEM_VALUE_INSTANCE_ID]; + assert(instance_id.file != BAD_FILE); + dest.type = instance_id.type; + emit(MOV(dest, instance_id)); + break; + } + case nir_intrinsic_load_sample_mask_in: { fs_reg sample_mask_in = nir_system_values[SYSTEM_VALUE_SAMPLE_MASK_IN]; assert(sample_mask_in.file != BAD_FILE);