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authorGert Wollny <[email protected]>2020-05-07 00:03:29 +0200
committerMarge Bot <[email protected]>2020-05-19 07:52:13 +0000
commit91a618eae9f0f126367b14dec8ebe3c80b7cf825 (patch)
tree5826965c704acf8dc145c04353443b500ffdd0cc
parent70b84920befb3121b58e22e176267a63a8b1317a (diff)
r600/sfn: Handle loading sample_pos
Signed-off-by: Gert Wollny <[email protected]> Reviewed-by: Reviewed-by: Dave Airlie <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5085>
-rw-r--r--src/gallium/drivers/r600/sfn/sfn_shader_base.h1
-rw-r--r--src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp34
-rw-r--r--src/gallium/drivers/r600/sfn/sfn_shader_fragment.h1
3 files changed, 36 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_base.h b/src/gallium/drivers/r600/sfn/sfn_shader_base.h
index d284efc3f07..27afe4023d4 100644
--- a/src/gallium/drivers/r600/sfn/sfn_shader_base.h
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_base.h
@@ -121,6 +121,7 @@ protected:
es_rel_patch_id,
es_sample_mask_in,
es_sample_id,
+ es_sample_pos,
es_tess_factor_base,
es_vertexid,
es_tess_coord,
diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
index c4084553f16..a443ea3e86a 100644
--- a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
@@ -120,6 +120,9 @@ bool FragmentShaderFromNir::scan_sysvalue_access(nir_instr *instr)
case nir_intrinsic_load_sample_mask_in:
m_sv_values.set(es_sample_mask_in);
break;
+ case nir_intrinsic_load_sample_pos:
+ m_sv_values.set(es_sample_pos);
+ /* fallthrough */
case nir_intrinsic_load_sample_id:
m_sv_values.set(es_sample_id);
break;
@@ -346,6 +349,9 @@ bool FragmentShaderFromNir::emit_intrinsic_instruction_override(nir_intrinsic_in
return emit_interp_deref_at_offset(instr);
case nir_intrinsic_interp_deref_at_centroid:
return emit_interp_deref_at_centroid(instr);
+ case nir_intrinsic_load_sample_pos:
+ return emit_load_sample_pos(instr);
+
default:
return false;
}
@@ -363,6 +369,34 @@ void FragmentShaderFromNir::load_front_face()
emit_instruction(ir);
}
+bool FragmentShaderFromNir::emit_load_sample_pos(nir_intrinsic_instr* instr)
+{
+ GPRVector dest = vec_from_nir(instr->dest, nir_dest_num_components(instr->dest));
+ auto fetch = new FetchInstruction(vc_fetch,
+ no_index_offset,
+ fmt_32_32_32_32_float,
+ vtx_nf_scaled,
+ vtx_es_none,
+ m_sample_id_reg,
+ dest,
+ 0,
+ false,
+ 0xf,
+ R600_BUFFER_INFO_CONST_BUFFER,
+ 0,
+ bim_none,
+ false,
+ false,
+ 0,
+ 0,
+ 0,
+ PValue(),
+ {0,1,2,3});
+ fetch->set_flag(vtx_srf_mode);
+ emit_instruction(fetch);
+ return true;
+}
+
bool FragmentShaderFromNir::emit_interp_deref_at_sample(nir_intrinsic_instr* instr)
{
GPRVector slope = get_temp_vec4();
diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
index 57d6cf7ec9a..045c054d7e6 100644
--- a/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_fragment.h
@@ -70,6 +70,7 @@ private:
bool emit_load_front_face(nir_intrinsic_instr* instr);
bool emit_load_sample_mask_in(nir_intrinsic_instr* instr);
+ bool emit_load_sample_pos(nir_intrinsic_instr* instr);
bool emit_load_sample_id(nir_intrinsic_instr* instr);
bool emit_interp_deref_at_sample(nir_intrinsic_instr* instr);
bool emit_interp_deref_at_offset(nir_intrinsic_instr* instr);