| /* |
| * Copyright 2016 Advanced Micro Devices, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef SI_SHADER_PRIVATE_H |
| #define SI_SHADER_PRIVATE_H |
| |
| #include "ac_shader_abi.h" |
| #include "si_shader.h" |
| |
| struct pipe_debug_callback; |
| |
| #define RADEON_LLVM_MAX_INPUTS 32 * 4 |
| |
| /* Ideally pass the sample mask input to the PS epilog as v14, which |
| * is its usual location, so that the shader doesn't have to add v_mov. |
| */ |
| #define PS_EPILOG_SAMPLEMASK_MIN_LOC 14 |
| |
| struct si_shader_output_values { |
| LLVMValueRef values[4]; |
| ubyte vertex_stream[4]; |
| ubyte semantic; |
| }; |
| |
| struct si_shader_context { |
| struct ac_llvm_context ac; |
| struct si_shader *shader; |
| struct si_screen *screen; |
| |
| gl_shader_stage stage; |
| |
| /* For clamping the non-constant index in resource indexing: */ |
| unsigned num_const_buffers; |
| unsigned num_shader_buffers; |
| unsigned num_images; |
| unsigned num_samplers; |
| |
| struct ac_shader_args args; |
| struct ac_shader_abi abi; |
| |
| LLVMValueRef inputs[RADEON_LLVM_MAX_INPUTS]; |
| |
| LLVMBasicBlockRef merged_wrap_if_entry_block; |
| int merged_wrap_if_label; |
| |
| LLVMValueRef main_fn; |
| LLVMTypeRef return_type; |
| |
| struct ac_arg const_and_shader_buffers; |
| struct ac_arg samplers_and_images; |
| |
| /* For merged shaders, the per-stage descriptors for the stage other |
| * than the one we're processing, used to pass them through from the |
| * first stage to the second. |
| */ |
| struct ac_arg other_const_and_shader_buffers; |
| struct ac_arg other_samplers_and_images; |
| |
| struct ac_arg rw_buffers; |
| struct ac_arg bindless_samplers_and_images; |
| /* Common inputs for merged shaders. */ |
| struct ac_arg merged_wave_info; |
| struct ac_arg merged_scratch_offset; |
| struct ac_arg small_prim_cull_info; |
| /* API VS */ |
| struct ac_arg vertex_buffers; |
| struct ac_arg vb_descriptors[5]; |
| struct ac_arg rel_auto_id; |
| struct ac_arg vs_prim_id; |
| struct ac_arg vertex_index0; |
| /* VS states and layout of LS outputs / TCS inputs at the end |
| * [0] = clamp vertex color |
| * [1] = indexed |
| * [2:3] = NGG: output primitive type |
| * [4:5] = NGG: provoking vertex index |
| * [6] = NGG: streamout queries enabled |
| * [7:10] = NGG: small prim filter precision = num_samples / quant_mode, |
| * but in reality it's: 1/2^n, from 1/16 to 1/4096 = 1/2^4 to 1/2^12 |
| * Only the first 4 bits of the exponent are stored. |
| * Set it like this: (fui(num_samples / quant_mode) >> 23) |
| * Expand to FP32 like this: ((0x70 | value) << 23); |
| * With 0x70 = 112, we get 2^(112 + value - 127) = 2^(value - 15) |
| * = 1/2^(15 - value) in FP32 |
| * [11:23] = stride between patches in DW = num_inputs * num_vertices * 4 |
| * max = 32*32*4 + 32*4 |
| * [24:31] = stride between vertices in DW = num_inputs * 4 |
| * max = 32*4 |
| */ |
| struct ac_arg vs_state_bits; |
| struct ac_arg vs_blit_inputs; |
| /* HW VS */ |
| struct ac_arg streamout_config; |
| struct ac_arg streamout_write_index; |
| struct ac_arg streamout_offset[4]; |
| |
| /* API TCS & TES */ |
| /* Layout of TCS outputs in the offchip buffer |
| * # 6 bits |
| * [0:5] = the number of patches per threadgroup, max = NUM_PATCHES (40) |
| * # 6 bits |
| * [6:11] = the number of output vertices per patch, max = 32 |
| * # 20 bits |
| * [12:31] = the offset of per patch attributes in the buffer in bytes. |
| * max = NUM_PATCHES*32*32*16 |
| */ |
| struct ac_arg tcs_offchip_layout; |
| |
| /* API TCS */ |
| /* Offsets where TCS outputs and TCS patch outputs live in LDS: |
| * [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32 |
| * [16:31] = TCS output patch0 offset for per-patch / 16 |
| * max = (NUM_PATCHES + 1) * 32*32 |
| */ |
| struct ac_arg tcs_out_lds_offsets; |
| /* Layout of TCS outputs / TES inputs: |
| * [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4 |
| * max = 32*32*4 + 32*4 |
| * [13:18] = gl_PatchVerticesIn, max = 32 |
| * [19:31] = high 13 bits of the 32-bit address of tessellation ring buffers |
| */ |
| struct ac_arg tcs_out_lds_layout; |
| struct ac_arg tcs_offchip_offset; |
| struct ac_arg tcs_factor_offset; |
| |
| /* API TES */ |
| struct ac_arg tes_offchip_addr; |
| struct ac_arg tes_u; |
| struct ac_arg tes_v; |
| struct ac_arg tes_rel_patch_id; |
| /* HW ES */ |
| struct ac_arg es2gs_offset; |
| /* HW GS */ |
| /* On gfx10: |
| * - bits 0..11: ordered_wave_id |
| * - bits 12..20: number of vertices in group |
| * - bits 22..30: number of primitives in group |
| */ |
| struct ac_arg gs_tg_info; |
| /* API GS */ |
| struct ac_arg gs2vs_offset; |
| struct ac_arg gs_wave_id; /* GFX6 */ |
| struct ac_arg gs_vtx_offset[6]; /* in dwords (GFX6) */ |
| struct ac_arg gs_vtx01_offset; /* in dwords (GFX9) */ |
| struct ac_arg gs_vtx23_offset; /* in dwords (GFX9) */ |
| struct ac_arg gs_vtx45_offset; /* in dwords (GFX9) */ |
| /* PS */ |
| struct ac_arg pos_fixed_pt; |
| /* CS */ |
| struct ac_arg block_size; |
| struct ac_arg cs_user_data; |
| struct ac_arg cs_shaderbuf[3]; |
| struct ac_arg cs_image[3]; |
| |
| struct ac_llvm_compiler *compiler; |
| |
| /* Preloaded descriptors. */ |
| LLVMValueRef esgs_ring; |
| LLVMValueRef gsvs_ring[4]; |
| LLVMValueRef tess_offchip_ring; |
| |
| LLVMValueRef invoc0_tess_factors[6]; /* outer[4], inner[2] */ |
| LLVMValueRef gs_next_vertex[4]; |
| LLVMValueRef gs_curprim_verts[4]; |
| LLVMValueRef gs_generated_prims[4]; |
| LLVMValueRef gs_ngg_emit; |
| LLVMValueRef gs_ngg_scratch; |
| LLVMValueRef return_value; |
| }; |
| |
| static inline struct si_shader_context *si_shader_context_from_abi(struct ac_shader_abi *abi) |
| { |
| struct si_shader_context *ctx = NULL; |
| return container_of(abi, ctx, abi); |
| } |
| |
| bool si_is_multi_part_shader(struct si_shader *shader); |
| bool si_is_merged_shader(struct si_shader *shader); |
| void si_add_arg_checked(struct ac_shader_args *args, enum ac_arg_regfile file, unsigned registers, |
| enum ac_arg_type type, struct ac_arg *arg, unsigned idx); |
| unsigned si_get_max_workgroup_size(const struct si_shader *shader); |
| bool si_need_ps_prolog(const union si_shader_part_key *key); |
| void si_get_ps_prolog_key(struct si_shader *shader, union si_shader_part_key *key, |
| bool separate_prolog); |
| void si_get_ps_epilog_key(struct si_shader *shader, union si_shader_part_key *key); |
| void si_fix_resource_usage(struct si_screen *sscreen, struct si_shader *shader); |
| void si_create_function(struct si_shader_context *ctx, bool ngg_cull_shader); |
| |
| bool gfx10_ngg_export_prim_early(struct si_shader *shader); |
| void gfx10_ngg_build_sendmsg_gs_alloc_req(struct si_shader_context *ctx); |
| void gfx10_ngg_build_export_prim(struct si_shader_context *ctx, LLVMValueRef user_edgeflags[3], |
| LLVMValueRef prim_passthrough); |
| void gfx10_emit_ngg_culling_epilogue(struct ac_shader_abi *abi, unsigned max_outputs, |
| LLVMValueRef *addrs); |
| void gfx10_emit_ngg_epilogue(struct ac_shader_abi *abi, unsigned max_outputs, LLVMValueRef *addrs); |
| void gfx10_ngg_gs_emit_vertex(struct si_shader_context *ctx, unsigned stream, LLVMValueRef *addrs); |
| void gfx10_ngg_gs_emit_prologue(struct si_shader_context *ctx); |
| void gfx10_ngg_gs_emit_epilogue(struct si_shader_context *ctx); |
| unsigned gfx10_ngg_get_scratch_dw_size(struct si_shader *shader); |
| bool gfx10_ngg_calculate_subgroup_info(struct si_shader *shader); |
| |
| /* si_shader_llvm.c */ |
| bool si_compile_llvm(struct si_screen *sscreen, struct si_shader_binary *binary, |
| struct ac_shader_config *conf, struct ac_llvm_compiler *compiler, |
| struct ac_llvm_context *ac, struct pipe_debug_callback *debug, |
| gl_shader_stage stage, const char *name, bool less_optimized); |
| void si_llvm_context_init(struct si_shader_context *ctx, struct si_screen *sscreen, |
| struct ac_llvm_compiler *compiler, unsigned wave_size); |
| void si_llvm_create_func(struct si_shader_context *ctx, const char *name, LLVMTypeRef *return_types, |
| unsigned num_return_elems, unsigned max_workgroup_size); |
| void si_llvm_optimize_module(struct si_shader_context *ctx); |
| void si_llvm_dispose(struct si_shader_context *ctx); |
| LLVMValueRef si_buffer_load_const(struct si_shader_context *ctx, LLVMValueRef resource, |
| LLVMValueRef offset); |
| void si_llvm_build_ret(struct si_shader_context *ctx, LLVMValueRef ret); |
| LLVMValueRef si_insert_input_ret(struct si_shader_context *ctx, LLVMValueRef ret, |
| struct ac_arg param, unsigned return_index); |
| LLVMValueRef si_insert_input_ret_float(struct si_shader_context *ctx, LLVMValueRef ret, |
| struct ac_arg param, unsigned return_index); |
| LLVMValueRef si_insert_input_ptr(struct si_shader_context *ctx, LLVMValueRef ret, |
| struct ac_arg param, unsigned return_index); |
| LLVMValueRef si_prolog_get_rw_buffers(struct si_shader_context *ctx); |
| void si_llvm_emit_barrier(struct si_shader_context *ctx); |
| void si_llvm_declare_esgs_ring(struct si_shader_context *ctx); |
| void si_init_exec_from_input(struct si_shader_context *ctx, struct ac_arg param, |
| unsigned bitoffset); |
| LLVMValueRef si_unpack_param(struct si_shader_context *ctx, struct ac_arg param, unsigned rshift, |
| unsigned bitwidth); |
| LLVMValueRef si_get_primitive_id(struct si_shader_context *ctx, unsigned swizzle); |
| LLVMValueRef si_llvm_get_block_size(struct ac_shader_abi *abi); |
| void si_llvm_declare_compute_memory(struct si_shader_context *ctx); |
| bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *nir); |
| void si_build_wrapper_function(struct si_shader_context *ctx, LLVMValueRef *parts, |
| unsigned num_parts, unsigned main_part, |
| unsigned next_shader_first_part); |
| |
| /* si_shader_llvm_gs.c */ |
| LLVMValueRef si_is_es_thread(struct si_shader_context *ctx); |
| LLVMValueRef si_is_gs_thread(struct si_shader_context *ctx); |
| void si_llvm_emit_es_epilogue(struct ac_shader_abi *abi, unsigned max_outputs, LLVMValueRef *addrs); |
| void si_preload_esgs_ring(struct si_shader_context *ctx); |
| void si_preload_gs_rings(struct si_shader_context *ctx); |
| void si_llvm_build_gs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); |
| void si_llvm_init_gs_callbacks(struct si_shader_context *ctx); |
| |
| /* si_shader_llvm_tess.c */ |
| void si_llvm_preload_tes_rings(struct si_shader_context *ctx); |
| void si_llvm_emit_ls_epilogue(struct ac_shader_abi *abi, unsigned max_outputs, LLVMValueRef *addrs); |
| void si_llvm_build_tcs_epilog(struct si_shader_context *ctx, union si_shader_part_key *key); |
| void si_llvm_init_tcs_callbacks(struct si_shader_context *ctx); |
| void si_llvm_init_tes_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader); |
| |
| /* si_shader_llvm_ps.c */ |
| LLVMValueRef si_get_sample_id(struct si_shader_context *ctx); |
| void si_llvm_build_ps_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); |
| void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part_key *key); |
| void si_llvm_build_monolithic_ps(struct si_shader_context *ctx, struct si_shader *shader); |
| void si_llvm_init_ps_callbacks(struct si_shader_context *ctx); |
| |
| /* si_shader_llvm_resources.c */ |
| void si_llvm_init_resource_callbacks(struct si_shader_context *ctx); |
| |
| /* si_shader_llvm_vs.c */ |
| void si_llvm_load_vs_inputs(struct si_shader_context *ctx, struct nir_shader *nir); |
| void si_llvm_streamout_store_output(struct si_shader_context *ctx, LLVMValueRef const *so_buffers, |
| LLVMValueRef const *so_write_offsets, |
| struct pipe_stream_output *stream_out, |
| struct si_shader_output_values *shader_out); |
| void si_llvm_emit_streamout(struct si_shader_context *ctx, struct si_shader_output_values *outputs, |
| unsigned noutput, unsigned stream); |
| void si_llvm_build_vs_exports(struct si_shader_context *ctx, |
| struct si_shader_output_values *outputs, unsigned noutput); |
| void si_llvm_emit_vs_epilogue(struct ac_shader_abi *abi, unsigned max_outputs, LLVMValueRef *addrs); |
| void si_llvm_build_vs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); |
| void si_llvm_init_vs_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader); |
| |
| #endif |