radv: Refactor calculate_tess_lds_size and get_tcs_num_patches.
[mesa.git] / src / amd / vulkan / radv_shader.h
index 0ee28b9aa3b5f89514100ef594e97351294f0664..608900b5419fbc2846604d7332496376d7c6d0cb 100644 (file)
@@ -55,9 +55,11 @@ struct radv_vs_out_key {
        uint32_t as_es:1;
        uint32_t as_ls:1;
        uint32_t as_ngg:1;
+       uint32_t as_ngg_passthrough:1;
        uint32_t export_prim_id:1;
        uint32_t export_layer_id:1;
        uint32_t export_clip_dists:1;
+       uint32_t export_viewport_index:1;
 };
 
 struct radv_vs_variant_key {
@@ -104,12 +106,17 @@ struct radv_fs_variant_key {
        uint32_t is_int10;
 };
 
+struct radv_cs_variant_key {
+       uint8_t subgroup_size;
+};
+
 struct radv_shader_variant_key {
        union {
                struct radv_vs_variant_key vs;
                struct radv_fs_variant_key fs;
                struct radv_tes_variant_key tes;
                struct radv_tcs_variant_key tcs;
+               struct radv_cs_variant_key cs;
 
                /* A common prefix of the vs and tes keys. */
                struct radv_vs_out_key vs_common_out;
@@ -120,13 +127,13 @@ struct radv_shader_variant_key {
 struct radv_nir_compiler_options {
        struct radv_pipeline_layout *layout;
        struct radv_shader_variant_key key;
-       bool unsafe_math;
-       bool supports_spill;
+       bool explicit_scratch_args;
        bool clamp_shadow_reference;
        bool robust_buffer_access;
        bool dump_shader;
        bool dump_preoptir;
        bool record_ir;
+       bool record_stats;
        bool check_ir;
        bool has_ls_vgpr_init_bug;
        bool use_ngg_streamout;
@@ -143,7 +150,8 @@ enum radv_ud_index {
        AC_UD_INDIRECT_DESCRIPTOR_SETS = 3,
        AC_UD_VIEW_INDEX = 4,
        AC_UD_STREAMOUT_BUFFERS = 5,
-       AC_UD_SHADER_START = 6,
+       AC_UD_NGG_GS_STATE = 6,
+       AC_UD_SHADER_START = 7,
        AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START,
        AC_UD_VS_BASE_VERTEX_START_INSTANCE,
        AC_UD_VS_MAX_UD,
@@ -230,6 +238,7 @@ struct radv_shader_info {
        bool uses_invocation_id;
        bool uses_prim_id;
        uint8_t wave_size;
+       uint8_t ballot_bit_size;
        struct radv_userdata_locations user_sgprs_locs;
        unsigned num_user_sgprs;
        unsigned num_input_sgprs;
@@ -237,6 +246,7 @@ struct radv_shader_info {
        unsigned private_mem_vgprs;
        bool need_indirect_descriptor_sets;
        bool is_ngg;
+       bool is_ngg_passthrough;
        struct {
                uint64_t ls_outputs_written;
                uint8_t input_usage_mask[VERT_ATTRIB_MAX];
@@ -285,9 +295,11 @@ struct radv_shader_info {
                bool has_pcoord;
                bool prim_id_input;
                bool layer_input;
+               bool viewport_index_input;
                uint8_t num_input_clips_culls;
                uint32_t input_mask;
                uint32_t flat_shaded_mask;
+               uint32_t explicit_shaded_mask;
                uint32_t float16_shaded_mask;
                uint32_t num_interp;
                bool can_discard;
@@ -304,6 +316,8 @@ struct radv_shader_info {
        struct {
                uint64_t outputs_written;
                uint64_t patch_outputs_written;
+               uint64_t tes_inputs_read;
+               uint64_t tes_patch_inputs_read;
                unsigned tcs_vertices_out;
                uint32_t num_patches;
                uint32_t lds_size;
@@ -340,9 +354,10 @@ struct radv_shader_binary_legacy {
        unsigned exec_size;
        unsigned ir_size;
        unsigned disasm_size;
+       unsigned stats_size;
        
-       /* data has size of code_size + ir_size + disasm_size + 2, where
-        * the +2 is for 0 of the ir strings. */
+       /* data has size of stats_size + code_size + ir_size + disasm_size + 2,
+        * where the +2 is for 0 of the ir strings. */
        uint8_t data[0];
 };
 
@@ -353,6 +368,17 @@ struct radv_shader_binary_rtld {
        uint8_t data[0];
 };
 
+struct radv_compiler_statistic_info {
+       char name[32];
+       char desc[64];
+};
+
+struct radv_compiler_statistics {
+       unsigned count;
+       struct radv_compiler_statistic_info *infos;
+       uint32_t values[];
+};
+
 struct radv_shader_variant {
        uint32_t ref_count;
 
@@ -364,12 +390,12 @@ struct radv_shader_variant {
        struct radv_shader_info info;
 
        /* debug only */
-       bool aco_used;
        char *spirv;
        uint32_t spirv_size;
        char *nir_string;
        char *disasm_string;
        char *ir_string;
+       struct radv_compiler_statistics *statistics;
 
        struct list_head slab_list;
 };
@@ -397,7 +423,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
                           const VkSpecializationInfo *spec_info,
                           const VkPipelineCreateFlags flags,
                           const struct radv_pipeline_layout *layout,
-                          bool use_aco);
+                          unsigned subgroup_size, unsigned ballot_bit_size);
 
 void *
 radv_alloc_shader_memory(struct radv_device *device,
@@ -428,15 +454,15 @@ radv_shader_variant_compile(struct radv_device *device,
                            struct radv_pipeline_layout *layout,
                            const struct radv_shader_variant_key *key,
                            struct radv_shader_info *info,
-                           bool keep_shader_info,
-                           bool use_aco,
+                           bool keep_shader_info, bool keep_statistic_info,
                            struct radv_shader_binary **binary_out);
 
 struct radv_shader_variant *
 radv_create_gs_copy_shader(struct radv_device *device, struct nir_shader *nir,
                           struct radv_shader_info *info,
                           struct radv_shader_binary **binary_out,
-                          bool multiview,  bool keep_shader_info);
+                          bool multiview,  bool keep_shader_info,
+                          bool keep_statistic_info);
 
 void
 radv_shader_variant_destroy(struct radv_device *device,
@@ -472,8 +498,100 @@ bool
 radv_can_dump_shader_stats(struct radv_device *device,
                           struct radv_shader_module *module);
 
-unsigned
-shader_io_get_unique_index(gl_varying_slot slot);
+static inline unsigned
+shader_io_get_unique_index(gl_varying_slot slot)
+{
+       /* handle patch indices separate */
+       if (slot == VARYING_SLOT_TESS_LEVEL_OUTER)
+               return 0;
+       if (slot == VARYING_SLOT_TESS_LEVEL_INNER)
+               return 1;
+       if (slot >= VARYING_SLOT_PATCH0 && slot <= VARYING_SLOT_TESS_MAX)
+               return 2 + (slot - VARYING_SLOT_PATCH0);
+       if (slot == VARYING_SLOT_POS)
+               return 0;
+       if (slot == VARYING_SLOT_PSIZ)
+               return 1;
+       if (slot == VARYING_SLOT_CLIP_DIST0)
+               return 2;
+       if (slot == VARYING_SLOT_CLIP_DIST1)
+               return 3;
+       /* 3 is reserved for clip dist as well */
+       if (slot >= VARYING_SLOT_VAR0 && slot <= VARYING_SLOT_VAR31)
+               return 4 + (slot - VARYING_SLOT_VAR0);
+       unreachable("illegal slot in get unique index\n");
+}
+
+static inline unsigned
+calculate_tess_lds_size(unsigned tcs_num_input_vertices,
+                       unsigned tcs_num_output_vertices,
+                       unsigned tcs_num_inputs,
+                       unsigned tcs_num_patches,
+                       unsigned tcs_num_outputs,
+                       unsigned tcs_num_patch_outputs)
+{
+       unsigned input_vertex_size = tcs_num_inputs * 16;
+       unsigned output_vertex_size = tcs_num_outputs * 16;
+
+       unsigned input_patch_size = tcs_num_input_vertices * input_vertex_size;
+
+       unsigned pervertex_output_patch_size = tcs_num_output_vertices * output_vertex_size;
+       unsigned output_patch_size = pervertex_output_patch_size + tcs_num_patch_outputs * 16;
+
+       unsigned output_patch0_offset = input_patch_size * tcs_num_patches;
+
+       return output_patch0_offset + output_patch_size * tcs_num_patches;
+}
+
+static inline unsigned
+get_tcs_num_patches(unsigned tcs_num_input_vertices,
+                       unsigned tcs_num_output_vertices,
+                       unsigned tcs_num_inputs,
+                       unsigned tcs_num_outputs,
+                       unsigned tcs_num_patch_outputs,
+                       unsigned tess_offchip_block_dw_size,
+                       enum chip_class chip_class,
+                       enum radeon_family family)
+{
+       uint32_t input_vertex_size = tcs_num_inputs * 16;
+       uint32_t input_patch_size = tcs_num_input_vertices * input_vertex_size;
+       uint32_t output_vertex_size = tcs_num_outputs * 16;
+       uint32_t pervertex_output_patch_size = tcs_num_output_vertices * output_vertex_size;
+       uint32_t output_patch_size = pervertex_output_patch_size + tcs_num_patch_outputs * 16;
+
+       /* Ensure that we only need one wave per SIMD so we don't need to check
+        * resource usage. Also ensures that the number of tcs in and out
+        * vertices per threadgroup are at most 256.
+        */
+       unsigned num_patches = 64 / MAX2(tcs_num_input_vertices, tcs_num_output_vertices) * 4;
+       /* Make sure that the data fits in LDS. This assumes the shaders only
+        * use LDS for the inputs and outputs.
+        */
+       unsigned hardware_lds_size = 32768;
+
+       /* Looks like STONEY hangs if we use more than 32 KiB LDS in a single
+        * threadgroup, even though there is more than 32 KiB LDS.
+        *
+        * Test: dEQP-VK.tessellation.shader_input_output.barrier
+        */
+       if (chip_class >= GFX7 && family != CHIP_STONEY)
+               hardware_lds_size = 65536;
+
+       num_patches = MIN2(num_patches, hardware_lds_size / (input_patch_size + output_patch_size));
+       /* Make sure the output data fits in the offchip buffer */
+       num_patches = MIN2(num_patches, (tess_offchip_block_dw_size * 4) / output_patch_size);
+       /* Not necessary for correctness, but improves performance. The
+        * specific value is taken from the proprietary driver.
+        */
+       num_patches = MIN2(num_patches, 40);
+
+       /* GFX6 bug workaround - limit LS-HS threadgroups to only one wave. */
+       if (chip_class == GFX6) {
+               unsigned one_wave = 64 / MAX2(tcs_num_input_vertices, tcs_num_output_vertices);
+               num_patches = MIN2(num_patches, one_wave);
+       }
+       return num_patches;
+}
 
 void
 radv_lower_fs_io(nir_shader *nir);