diff options
| author | Iago Toral Quiroga <[email protected]> | 2015-07-01 10:12:10 +0200 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2015-08-03 09:40:50 -0700 |
| commit | 287b006a673dabe3e21cc207a1b4622ef91a877e (patch) | |
| tree | 800ccd365bc6203ab22d7e288bf09aa606c567d8 | |
| parent | 7eced3aa863394c6e74ac3f037ed1cf9c481fe37 (diff) | |
i965/nir/gs: Implement support for gl_InvocationID system value
Reviewed-by: Jason Ekstrand <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_gs_nir.cpp | 28 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h | 1 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_gs_nir.cpp index f627a8dbdae..d85fb6f31ec 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_gs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_nir.cpp @@ -67,6 +67,25 @@ vec4_gs_visitor::nir_setup_inputs(nir_shader *shader) } void +vec4_gs_visitor::nir_setup_system_value_intrinsic(nir_intrinsic_instr *instr) +{ + dst_reg *reg; + + switch (instr->intrinsic) { + case nir_intrinsic_load_invocation_id: + reg = &this->nir_system_values[SYSTEM_VALUE_INVOCATION_ID]; + if (reg->file == BAD_FILE) + *reg = *this->make_reg_for_system_value(SYSTEM_VALUE_INVOCATION_ID, + glsl_type::int_type); + break; + + default: + vec4_visitor::nir_setup_system_value_intrinsic(instr); + } + +} + +void vec4_gs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr) { dst_reg dest; @@ -83,6 +102,15 @@ vec4_gs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr) gs_end_primitive(); break; + case nir_intrinsic_load_invocation_id: { + src_reg invocation_id = + src_reg(nir_system_values[SYSTEM_VALUE_INVOCATION_ID]); + assert(invocation_id.file != BAD_FILE); + dest = get_nir_dest(instr->dest, invocation_id.type); + emit(MOV(dest, invocation_id)); + break; + } + default: vec4_visitor::nir_emit_intrinsic(instr); } diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h index 517e99d7862..0e8fefabecc 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h +++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h @@ -76,6 +76,7 @@ public: int shader_time_index); virtual void nir_setup_inputs(nir_shader *shader); + virtual void nir_setup_system_value_intrinsic(nir_intrinsic_instr *instr); protected: virtual dst_reg *make_reg_for_system_value(int location, |