[Mesa-dev] [PATCH v2 2/2] radv/query: Use 1-bit booleans in query shaders

Jason Ekstrand jason at jlekstrand.net
Wed Dec 19 22:04:50 UTC 2018


Fixes: 44227453ec03f "nir: Switch to using 1-bit Booleans for almost..."
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
---
 src/amd/vulkan/radv_query.c | 42 ++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/src/amd/vulkan/radv_query.c b/src/amd/vulkan/radv_query.c
index 6e88de691d6..89e70224630 100644
--- a/src/amd/vulkan/radv_query.c
+++ b/src/amd/vulkan/radv_query.c
@@ -54,7 +54,7 @@ static unsigned get_max_db(struct radv_device *device)
 
 static nir_ssa_def *nir_flag_set(nir_builder *b, nir_ssa_def *flags, uint32_t flag)
 {
-	return nir_iand(b, flags, nir_imm_int(b, flag));
+	return nir_i2b(b, nir_iand(b, flags, nir_imm_int(b, flag)));
 }
 
 static void radv_break_on_count(nir_builder *b, nir_variable *var, nir_ssa_def *count)
@@ -138,7 +138,7 @@ build_occlusion_query_shader(struct radv_device *device) {
 	nir_variable *outer_counter = nir_local_variable_create(b.impl, glsl_int_type(), "outer_counter");
 	nir_variable *start = nir_local_variable_create(b.impl, glsl_uint64_t_type(), "start");
 	nir_variable *end = nir_local_variable_create(b.impl, glsl_uint64_t_type(), "end");
-	nir_variable *available = nir_local_variable_create(b.impl, glsl_int_type(), "available");
+	nir_variable *available = nir_local_variable_create(b.impl, glsl_bool_type(), "available");
 	unsigned db_count = get_max_db(device);
 
 	nir_ssa_def *flags = radv_load_push_int(&b, 0, "flags");
@@ -176,7 +176,7 @@ build_occlusion_query_shader(struct radv_device *device) {
 
 	nir_store_var(&b, result, nir_imm_int64(&b, 0), 0x1);
 	nir_store_var(&b, outer_counter, nir_imm_int(&b, 0), 0x1);
-	nir_store_var(&b, available, nir_imm_int(&b, 1), 0x1);
+	nir_store_var(&b, available, nir_imm_true(&b), 0x1);
 
 	nir_loop *outer_loop = nir_loop_create(b.shader);
 	nir_builder_cf_insert(&b, &outer_loop->cf_node);
@@ -214,14 +214,14 @@ build_occlusion_query_shader(struct radv_device *device) {
 
 	b.cursor = nir_after_cf_list(&update_if->else_list);
 
-	nir_store_var(&b, available, nir_imm_int(&b, 0), 0x1);
+	nir_store_var(&b, available, nir_imm_false(&b), 0x1);
 
 	b.cursor = nir_after_cf_node(&outer_loop->cf_node);
 
 	/* Store the result if complete or if partial results have been requested. */
 
 	nir_ssa_def *result_is_64bit = nir_flag_set(&b, flags, VK_QUERY_RESULT_64_BIT);
-	nir_ssa_def *result_size = nir_b32csel(&b, result_is_64bit, nir_imm_int(&b, 8), nir_imm_int(&b, 4));
+	nir_ssa_def *result_size = nir_bcsel(&b, result_is_64bit, nir_imm_int(&b, 8), nir_imm_int(&b, 4));
 
 	nir_if *store_if = nir_if_create(b.shader);
 	store_if->condition = nir_src_for_ssa(nir_ior(&b, nir_flag_set(&b, flags, VK_QUERY_RESULT_PARTIAL_BIT), nir_load_var(&b, available)));
@@ -264,7 +264,7 @@ build_occlusion_query_shader(struct radv_device *device) {
 	b.cursor = nir_after_cf_list(&availability_if->then_list);
 
 	store = nir_intrinsic_instr_create(b.shader, nir_intrinsic_store_ssbo);
-	store->src[0] = nir_src_for_ssa(nir_load_var(&b, available));
+	store->src[0] = nir_src_for_ssa(nir_b2i32(&b, nir_load_var(&b, available)));
 	store->src[1] = nir_src_for_ssa(&dst_buf->dest.ssa);
 	store->src[2] = nir_src_for_ssa(nir_iadd(&b, result_size, output_base));
 	nir_intrinsic_set_write_mask(store, 0x1);
@@ -296,11 +296,11 @@ build_pipeline_statistics_query_shader(struct radv_device *device) {
 	 * 	uint64_t dst_offset = dst_base;
 	 * 	uint32_t elem_size = flags & VK_QUERY_RESULT_64_BIT ? 8 : 4;
 	 * 	uint32_t elem_count = stats_mask >> 16;
-	 * 	uint32_t available = src_buf[avail_offset + 4 * global_id.x];
+	 * 	uint32_t available32 = src_buf[avail_offset + 4 * global_id.x];
 	 * 	if (flags & VK_QUERY_RESULT_WITH_AVAILABILITY_BIT) {
-	 * 		dst_buf[dst_offset + elem_count * elem_size] = available;
+	 * 		dst_buf[dst_offset + elem_count * elem_size] = available32;
 	 * 	}
-	 * 	if (available) {
+	 * 	if ((bool)available32) {
 	 * 		// repeat 11 times:
 	 * 		if (stats_mask & (1 << 0)) {
 	 * 			uint64_t start = src_buf[src_offset + 8 * indices[0]];
@@ -372,10 +372,10 @@ build_pipeline_statistics_query_shader(struct radv_device *device) {
 	nir_ssa_dest_init(&load->instr, &load->dest, 1, 32, NULL);
 	load->num_components = 1;
 	nir_builder_instr_insert(&b, &load->instr);
-	nir_ssa_def *available = &load->dest.ssa;
+	nir_ssa_def *available32 = &load->dest.ssa;
 
 	nir_ssa_def *result_is_64bit = nir_flag_set(&b, flags, VK_QUERY_RESULT_64_BIT);
-	nir_ssa_def *elem_size = nir_b32csel(&b, result_is_64bit, nir_imm_int(&b, 8), nir_imm_int(&b, 4));
+	nir_ssa_def *elem_size = nir_bcsel(&b, result_is_64bit, nir_imm_int(&b, 8), nir_imm_int(&b, 4));
 	nir_ssa_def *elem_count = nir_ushr(&b, stats_mask, nir_imm_int(&b, 16));
 
 	/* Store the availability bit if requested. */
@@ -387,7 +387,7 @@ build_pipeline_statistics_query_shader(struct radv_device *device) {
 	b.cursor = nir_after_cf_list(&availability_if->then_list);
 
 	nir_intrinsic_instr *store = nir_intrinsic_instr_create(b.shader, nir_intrinsic_store_ssbo);
-	store->src[0] = nir_src_for_ssa(available);
+	store->src[0] = nir_src_for_ssa(available32);
 	store->src[1] = nir_src_for_ssa(&dst_buf->dest.ssa);
 	store->src[2] = nir_src_for_ssa(nir_iadd(&b, output_base, nir_imul(&b, elem_count, elem_size)));
 	nir_intrinsic_set_write_mask(store, 0x1);
@@ -397,7 +397,7 @@ build_pipeline_statistics_query_shader(struct radv_device *device) {
 	b.cursor = nir_after_cf_node(&availability_if->cf_node);
 
 	nir_if *available_if = nir_if_create(b.shader);
-	available_if->condition = nir_src_for_ssa(available);
+	available_if->condition = nir_src_for_ssa(nir_i2b(&b, available32));
 	nir_cf_node_insert(b.cursor, &available_if->cf_node);
 
 	b.cursor = nir_after_cf_list(&available_if->then_list);
@@ -566,12 +566,12 @@ build_tfb_query_shader(struct radv_device *device)
 					  glsl_vector_type(GLSL_TYPE_UINT64, 2),
 					  "result");
 	nir_variable *available =
-		nir_local_variable_create(b.impl, glsl_int_type(), "available");
+		nir_local_variable_create(b.impl, glsl_bool_type(), "available");
 
 	nir_store_var(&b, result,
 		      nir_vec2(&b, nir_imm_int64(&b, 0),
 				   nir_imm_int64(&b, 0)), 0x3);
-	nir_store_var(&b, available, nir_imm_int(&b, 0), 0x1);
+	nir_store_var(&b, available, nir_imm_false(&b), 0x1);
 
 	nir_ssa_def *flags = radv_load_push_int(&b, 0, "flags");
 
@@ -630,8 +630,8 @@ build_tfb_query_shader(struct radv_device *device)
 	avails[1] = nir_iand(&b, nir_channel(&b, &load2->dest.ssa, 1),
 				 nir_channel(&b, &load2->dest.ssa, 3));
 	nir_ssa_def *result_is_available =
-		nir_iand(&b, nir_iand(&b, avails[0], avails[1]),
-			     nir_imm_int(&b, 0x80000000));
+		nir_i2b(&b, nir_iand(&b, nir_iand(&b, avails[0], avails[1]),
+			                 nir_imm_int(&b, 0x80000000)));
 
 	/* Only compute result if available. */
 	nir_if *available_if = nir_if_create(b.shader);
@@ -664,7 +664,7 @@ build_tfb_query_shader(struct radv_device *device)
 	nir_store_var(&b, result,
 		      nir_vec2(&b, num_primitive_written,
 				   primitive_storage_needed), 0x3);
-	nir_store_var(&b, available, nir_imm_int(&b, 1), 0x1);
+	nir_store_var(&b, available, nir_imm_true(&b), 0x1);
 
 	b.cursor = nir_after_cf_node(&available_if->cf_node);
 
@@ -672,8 +672,8 @@ build_tfb_query_shader(struct radv_device *device)
 	nir_ssa_def *result_is_64bit =
 		nir_flag_set(&b, flags, VK_QUERY_RESULT_64_BIT);
 	nir_ssa_def *result_size =
-		nir_b32csel(&b, result_is_64bit, nir_imm_int(&b, 16),
-			    nir_imm_int(&b, 8));
+		nir_bcsel(&b, result_is_64bit, nir_imm_int(&b, 16),
+			  nir_imm_int(&b, 8));
 
 	/* Store the result if complete or partial results have been requested. */
 	nir_if *store_if = nir_if_create(b.shader);
@@ -722,7 +722,7 @@ build_tfb_query_shader(struct radv_device *device)
 	b.cursor = nir_after_cf_list(&availability_if->then_list);
 
 	store = nir_intrinsic_instr_create(b.shader, nir_intrinsic_store_ssbo);
-	store->src[0] = nir_src_for_ssa(nir_load_var(&b, available));
+	store->src[0] = nir_src_for_ssa(nir_b2i32(&b, nir_load_var(&b, available)));
 	store->src[1] = nir_src_for_ssa(&dst_buf->dest.ssa);
 	store->src[2] = nir_src_for_ssa(nir_iadd(&b, result_size, output_base));
 	nir_intrinsic_set_write_mask(store, 0x1);
-- 
2.19.2



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