1e178f7a37
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12570>
274 lines
13 KiB
C
274 lines
13 KiB
C
/*
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* Copyright 2016 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SI_SHADER_PRIVATE_H
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#define SI_SHADER_PRIVATE_H
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#include "ac_shader_abi.h"
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#include "si_shader.h"
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struct pipe_debug_callback;
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/* Ideally pass the sample mask input to the PS epilog as v14, which
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* is its usual location, so that the shader doesn't have to add v_mov.
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*/
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#define PS_EPILOG_SAMPLEMASK_MIN_LOC 14
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struct si_shader_output_values {
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LLVMValueRef values[4];
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ubyte vertex_stream[4];
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ubyte semantic;
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};
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struct si_shader_context {
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struct ac_llvm_context ac;
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struct si_shader *shader;
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struct si_shader_selector *next_shader_sel;
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struct si_screen *screen;
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gl_shader_stage stage;
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/* For clamping the non-constant index in resource indexing: */
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unsigned num_const_buffers;
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unsigned num_shader_buffers;
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unsigned num_images;
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unsigned num_samplers;
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struct ac_shader_args args;
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struct ac_shader_abi abi;
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LLVMBasicBlockRef merged_wrap_if_entry_block;
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int merged_wrap_if_label;
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LLVMValueRef main_fn;
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LLVMTypeRef return_type;
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struct ac_arg const_and_shader_buffers;
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struct ac_arg samplers_and_images;
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/* For merged shaders, the per-stage descriptors for the stage other
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* than the one we're processing, used to pass them through from the
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* first stage to the second.
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*/
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struct ac_arg other_const_and_shader_buffers;
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struct ac_arg other_samplers_and_images;
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struct ac_arg internal_bindings;
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struct ac_arg bindless_samplers_and_images;
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struct ac_arg small_prim_cull_info;
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/* API VS */
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struct ac_arg vb_descriptors[5];
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struct ac_arg vertex_index0;
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/* VS states and layout of LS outputs / TCS inputs at the end
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* [0] = clamp vertex color
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* [1] = indexed
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* [2:3] = NGG: output primitive type
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* [4:5] = NGG: provoking vertex index
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* [6] = NGG: streamout queries enabled
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* [7:10] = NGG: small prim filter precision = num_samples / quant_mode,
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* but in reality it's: 1/2^n, from 1/16 to 1/4096 = 1/2^4 to 1/2^12
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* Only the first 4 bits of the exponent are stored.
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* Set it like this: (fui(num_samples / quant_mode) >> 23)
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* Expand to FP32 like this: ((0x70 | value) << 23);
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* With 0x70 = 112, we get 2^(112 + value - 127) = 2^(value - 15)
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* = 1/2^(15 - value) in FP32
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* [11:23] = stride between patches in DW = num_inputs * num_vertices * 4
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* max = 32*32*4 + 32*4
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* [24:31] = stride between vertices in DW = num_inputs * 4
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* max = 32*4
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*/
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struct ac_arg vs_state_bits;
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struct ac_arg vs_blit_inputs;
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/* API TCS & TES */
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/* Layout of TCS outputs in the offchip buffer
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* # 6 bits
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* [0:5] = the number of patches per threadgroup - 1, max = 63
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* # 5 bits
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* [6:10] = the number of output vertices per patch - 1, max = 31
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* # 21 bits
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* [11:31] = the offset of per patch attributes in the buffer in bytes.
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* max = NUM_PATCHES*32*32*16 = 1M
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*/
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struct ac_arg tcs_offchip_layout;
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/* API TCS */
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/* Offsets where TCS outputs and TCS patch outputs live in LDS:
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* [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32 = 64K (TODO: not enough bits)
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* [16:31] = TCS output patch0 offset for per-patch / 16
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* max = (NUM_PATCHES + 1) * 32*32 = 66624 (TODO: not enough bits)
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*/
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struct ac_arg tcs_out_lds_offsets;
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/* Layout of TCS outputs / TES inputs:
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* [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4
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* max = 32*32*4 + 32*4 = 4224
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* [13:18] = gl_PatchVerticesIn, max = 32
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* [19:31] = high 13 bits of the 32-bit address of tessellation ring buffers
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*/
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struct ac_arg tcs_out_lds_layout;
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/* API TES */
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struct ac_arg tes_offchip_addr;
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/* PS */
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struct ac_arg pos_fixed_pt;
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/* CS */
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struct ac_arg block_size;
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struct ac_arg cs_user_data;
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struct ac_arg cs_shaderbuf[3];
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struct ac_arg cs_image[3];
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struct ac_llvm_compiler *compiler;
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/* Preloaded descriptors. */
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LLVMValueRef esgs_ring;
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LLVMValueRef gsvs_ring[4];
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LLVMValueRef tess_offchip_ring;
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LLVMValueRef invoc0_tess_factors[6]; /* outer[4], inner[2] */
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LLVMValueRef gs_next_vertex[4];
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LLVMValueRef gs_curprim_verts[4];
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LLVMValueRef gs_generated_prims[4];
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LLVMValueRef gs_ngg_emit;
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LLVMValueRef gs_ngg_scratch;
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LLVMValueRef return_value;
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};
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static inline struct si_shader_context *si_shader_context_from_abi(struct ac_shader_abi *abi)
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{
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return container_of(abi, struct si_shader_context, abi);
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}
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/* si_shader.c */
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bool si_is_multi_part_shader(struct si_shader *shader);
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bool si_is_merged_shader(struct si_shader *shader);
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void si_add_arg_checked(struct ac_shader_args *args, enum ac_arg_regfile file, unsigned registers,
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enum ac_arg_type type, struct ac_arg *arg, unsigned idx);
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void si_init_shader_args(struct si_shader_context *ctx, bool ngg_cull_shader);
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unsigned si_get_max_workgroup_size(const struct si_shader *shader);
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bool si_vs_needs_prolog(const struct si_shader_selector *sel,
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const struct si_vs_prolog_bits *prolog_key,
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const struct si_shader_key *key, bool ngg_cull_shader);
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void si_get_vs_prolog_key(const struct si_shader_info *info, unsigned num_input_sgprs,
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bool ngg_cull_shader, const struct si_vs_prolog_bits *prolog_key,
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struct si_shader *shader_out, union si_shader_part_key *key);
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struct nir_shader *si_get_nir_shader(struct si_shader_selector *sel,
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const struct si_shader_key *key,
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bool *free_nir);
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bool si_need_ps_prolog(const union si_shader_part_key *key);
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void si_get_ps_prolog_key(struct si_shader *shader, union si_shader_part_key *key,
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bool separate_prolog);
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void si_get_ps_epilog_key(struct si_shader *shader, union si_shader_part_key *key);
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void si_fix_resource_usage(struct si_screen *sscreen, struct si_shader *shader);
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/* gfx10_shader_ngg.c */
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bool gfx10_ngg_export_prim_early(struct si_shader *shader);
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void gfx10_ngg_build_sendmsg_gs_alloc_req(struct si_shader_context *ctx);
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void gfx10_ngg_build_export_prim(struct si_shader_context *ctx, LLVMValueRef user_edgeflags[3],
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LLVMValueRef prim_passthrough);
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void gfx10_emit_ngg_culling_epilogue(struct ac_shader_abi *abi);
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void gfx10_emit_ngg_epilogue(struct ac_shader_abi *abi);
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void gfx10_ngg_gs_emit_vertex(struct si_shader_context *ctx, unsigned stream, LLVMValueRef *addrs);
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void gfx10_ngg_gs_emit_prologue(struct si_shader_context *ctx);
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void gfx10_ngg_gs_emit_epilogue(struct si_shader_context *ctx);
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unsigned gfx10_ngg_get_scratch_dw_size(struct si_shader *shader);
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bool gfx10_ngg_calculate_subgroup_info(struct si_shader *shader);
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/* si_shader_llvm.c */
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bool si_compile_llvm(struct si_screen *sscreen, struct si_shader_binary *binary,
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struct ac_shader_config *conf, struct ac_llvm_compiler *compiler,
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struct ac_llvm_context *ac, struct pipe_debug_callback *debug,
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gl_shader_stage stage, const char *name, bool less_optimized);
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void si_llvm_context_init(struct si_shader_context *ctx, struct si_screen *sscreen,
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struct ac_llvm_compiler *compiler, unsigned wave_size);
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void si_llvm_create_func(struct si_shader_context *ctx, const char *name, LLVMTypeRef *return_types,
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unsigned num_return_elems, unsigned max_workgroup_size);
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void si_llvm_create_main_func(struct si_shader_context *ctx, bool ngg_cull_shader);
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void si_llvm_optimize_module(struct si_shader_context *ctx);
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void si_llvm_dispose(struct si_shader_context *ctx);
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LLVMValueRef si_buffer_load_const(struct si_shader_context *ctx, LLVMValueRef resource,
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LLVMValueRef offset);
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void si_llvm_build_ret(struct si_shader_context *ctx, LLVMValueRef ret);
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LLVMValueRef si_insert_input_ret(struct si_shader_context *ctx, LLVMValueRef ret,
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struct ac_arg param, unsigned return_index);
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LLVMValueRef si_insert_input_ret_float(struct si_shader_context *ctx, LLVMValueRef ret,
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struct ac_arg param, unsigned return_index);
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LLVMValueRef si_insert_input_ptr(struct si_shader_context *ctx, LLVMValueRef ret,
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struct ac_arg param, unsigned return_index);
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LLVMValueRef si_prolog_get_internal_bindings(struct si_shader_context *ctx);
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void si_llvm_emit_barrier(struct si_shader_context *ctx);
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void si_llvm_declare_esgs_ring(struct si_shader_context *ctx);
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LLVMValueRef si_unpack_param(struct si_shader_context *ctx, struct ac_arg param, unsigned rshift,
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unsigned bitwidth);
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LLVMValueRef si_get_primitive_id(struct si_shader_context *ctx, unsigned swizzle);
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void si_build_wrapper_function(struct si_shader_context *ctx, LLVMValueRef *parts,
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unsigned num_parts, unsigned main_part,
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unsigned next_shader_first_part, bool same_thread_count);
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bool si_llvm_translate_nir(struct si_shader_context *ctx, struct si_shader *shader,
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struct nir_shader *nir, bool free_nir, bool ngg_cull_shader);
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bool si_llvm_compile_shader(struct si_screen *sscreen, struct ac_llvm_compiler *compiler,
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struct si_shader *shader, struct pipe_debug_callback *debug,
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struct nir_shader *nir, bool free_nir);
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/* si_shader_llvm_gs.c */
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LLVMValueRef si_is_es_thread(struct si_shader_context *ctx);
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LLVMValueRef si_is_gs_thread(struct si_shader_context *ctx);
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void si_llvm_emit_es_epilogue(struct ac_shader_abi *abi);
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void si_preload_esgs_ring(struct si_shader_context *ctx);
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void si_preload_gs_rings(struct si_shader_context *ctx);
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void si_llvm_build_gs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key);
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void si_llvm_init_gs_callbacks(struct si_shader_context *ctx);
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/* si_shader_llvm_tess.c */
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void si_llvm_preload_tes_rings(struct si_shader_context *ctx);
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void si_llvm_emit_ls_epilogue(struct ac_shader_abi *abi);
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void si_llvm_build_tcs_epilog(struct si_shader_context *ctx, union si_shader_part_key *key);
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void si_llvm_init_tcs_callbacks(struct si_shader_context *ctx);
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void si_llvm_init_tes_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader);
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/* si_shader_llvm_ps.c */
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LLVMValueRef si_get_sample_id(struct si_shader_context *ctx);
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void si_llvm_build_ps_prolog(struct si_shader_context *ctx, union si_shader_part_key *key);
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void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part_key *key);
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void si_llvm_build_monolithic_ps(struct si_shader_context *ctx, struct si_shader *shader);
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void si_llvm_init_ps_callbacks(struct si_shader_context *ctx);
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/* si_shader_llvm_resources.c */
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void si_llvm_init_resource_callbacks(struct si_shader_context *ctx);
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/* si_shader_llvm_vs.c */
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void si_llvm_load_vs_inputs(struct si_shader_context *ctx, struct nir_shader *nir);
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void si_llvm_streamout_store_output(struct si_shader_context *ctx, LLVMValueRef const *so_buffers,
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LLVMValueRef const *so_write_offsets,
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struct pipe_stream_output *stream_out,
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struct si_shader_output_values *shader_out);
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void si_llvm_emit_streamout(struct si_shader_context *ctx, struct si_shader_output_values *outputs,
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unsigned noutput, unsigned stream);
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void si_llvm_build_vs_exports(struct si_shader_context *ctx,
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struct si_shader_output_values *outputs, unsigned noutput);
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void si_llvm_emit_vs_epilogue(struct ac_shader_abi *abi);
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void si_llvm_build_vs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key);
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void si_llvm_init_vs_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader);
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#endif
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