[Mesa-dev] [PATCH v4 122/129] radeonsi: Remove deref chain support in nir scan pass.

[Jason Ekstrand]

From: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

---
 src/gallium/drivers/radeonsi/si_shader_nir.c | 34 ++++------------------------
 1 file changed, 4 insertions(+), 30 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 21551a7..c46d0ab 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -34,9 +34,6 @@
 
 static nir_variable* tex_get_texture_var(nir_tex_instr *instr)
 {
-	if (instr->texture)
-		return instr->texture->var;
-
 	for (unsigned i = 0; i < instr->num_srcs; i++) {
 		switch (instr->src[i].src_type) {
 		case nir_tex_src_texture_deref:
@@ -51,9 +48,6 @@ static nir_variable* tex_get_texture_var(nir_tex_instr *instr)
 
 static nir_variable* intrinsic_get_var(nir_intrinsic_instr *instr)
 {
-	if (instr->variables[0])
-		return instr->variables[0]->var;
-
 	return nir_deref_instr_get_variable(nir_src_as_deref(instr->src[0]));
 }
 
@@ -149,9 +143,6 @@ static void scan_instruction(struct tgsi_shader_info *info,
 		case nir_intrinsic_load_tess_level_outer:
 			info->reads_tess_factors = true;
 			break;
-		case nir_intrinsic_image_var_load:
-		case nir_intrinsic_image_var_size:
-		case nir_intrinsic_image_var_samples:
 		case nir_intrinsic_image_deref_load:
 		case nir_intrinsic_image_deref_size:
 		case nir_intrinsic_image_deref_samples: {
@@ -161,15 +152,6 @@ static void scan_instruction(struct tgsi_shader_info *info,
 
 			break;
 		}
-		case nir_intrinsic_image_var_store:
-		case nir_intrinsic_image_var_atomic_add:
-		case nir_intrinsic_image_var_atomic_min:
-		case nir_intrinsic_image_var_atomic_max:
-		case nir_intrinsic_image_var_atomic_and:
-		case nir_intrinsic_image_var_atomic_or:
-		case nir_intrinsic_image_var_atomic_xor:
-		case nir_intrinsic_image_var_atomic_exchange:
-		case nir_intrinsic_image_var_atomic_comp_swap:
 		case nir_intrinsic_image_deref_store:
 		case nir_intrinsic_image_deref_atomic_add:
 		case nir_intrinsic_image_deref_atomic_min:
@@ -198,7 +180,6 @@ static void scan_instruction(struct tgsi_shader_info *info,
 		case nir_intrinsic_ssbo_atomic_comp_swap:
 			info->writes_memory = true;
 			break;
-		case nir_intrinsic_load_var:
 		case nir_intrinsic_load_deref: {
 			nir_variable *var = intrinsic_get_var(intr);
 			nir_variable_mode mode = var->data.mode;
@@ -233,9 +214,6 @@ static void scan_instruction(struct tgsi_shader_info *info,
 			}
 			break;
 		}
-		case nir_intrinsic_interp_var_at_centroid:
-		case nir_intrinsic_interp_var_at_sample:
-		case nir_intrinsic_interp_var_at_offset:
 		case nir_intrinsic_interp_deref_at_centroid:
 		case nir_intrinsic_interp_deref_at_sample:
 		case nir_intrinsic_interp_deref_at_offset: {
@@ -243,21 +221,17 @@ static void scan_instruction(struct tgsi_shader_info *info,
 			switch (interp) {
 			case INTERP_MODE_SMOOTH:
 			case INTERP_MODE_NONE:
-				if (intr->intrinsic == nir_intrinsic_interp_var_at_centroid ||
-				    intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
+				if (intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
 					info->uses_persp_opcode_interp_centroid = true;
-				else if (intr->intrinsic == nir_intrinsic_interp_var_at_sample ||
-				         intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
+				else if (intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
 					info->uses_persp_opcode_interp_sample = true;
 				else
 					info->uses_persp_opcode_interp_offset = true;
 				break;
 			case INTERP_MODE_NOPERSPECTIVE:
-				if (intr->intrinsic == nir_intrinsic_interp_var_at_centroid ||
-				    intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
+				if (intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
 					info->uses_linear_opcode_interp_centroid = true;
-				else if (intr->intrinsic == nir_intrinsic_interp_var_at_sample ||
-				         intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
+				else if (intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
 					info->uses_linear_opcode_interp_sample = true;
 				else
 					info->uses_linear_opcode_interp_offset = true;
-- 
2.5.0.400.gff86faf