2 * Copyright 2016 Advanced Micro Devices, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #ifndef SI_SHADER_PRIVATE_H
26 #define SI_SHADER_PRIVATE_H
28 #include "si_shader.h"
29 #include "ac_shader_abi.h"
31 struct pipe_debug_callback
;
33 #define RADEON_LLVM_MAX_INPUTS 32 * 4
35 /* Ideally pass the sample mask input to the PS epilog as v14, which
36 * is its usual location, so that the shader doesn't have to add v_mov.
38 #define PS_EPILOG_SAMPLEMASK_MIN_LOC 14
40 struct si_shader_output_values
{
41 LLVMValueRef values
[4];
42 unsigned semantic_name
;
43 unsigned semantic_index
;
44 ubyte vertex_stream
[4];
47 struct si_shader_context
{
48 struct ac_llvm_context ac
;
49 struct si_shader
*shader
;
50 struct si_screen
*screen
;
52 unsigned type
; /* PIPE_SHADER_* specifies the type of shader. */
54 /* For clamping the non-constant index in resource indexing: */
55 unsigned num_const_buffers
;
56 unsigned num_shader_buffers
;
58 unsigned num_samplers
;
60 struct ac_shader_args args
;
61 struct ac_shader_abi abi
;
63 LLVMValueRef inputs
[RADEON_LLVM_MAX_INPUTS
];
65 LLVMBasicBlockRef merged_wrap_if_entry_block
;
66 int merged_wrap_if_label
;
69 LLVMTypeRef return_type
;
71 struct ac_arg const_and_shader_buffers
;
72 struct ac_arg samplers_and_images
;
74 /* For merged shaders, the per-stage descriptors for the stage other
75 * than the one we're processing, used to pass them through from the
76 * first stage to the second.
78 struct ac_arg other_const_and_shader_buffers
;
79 struct ac_arg other_samplers_and_images
;
81 struct ac_arg rw_buffers
;
82 struct ac_arg bindless_samplers_and_images
;
83 /* Common inputs for merged shaders. */
84 struct ac_arg merged_wave_info
;
85 struct ac_arg merged_scratch_offset
;
87 struct ac_arg vertex_buffers
;
88 struct ac_arg vb_descriptors
[5];
89 struct ac_arg rel_auto_id
;
90 struct ac_arg vs_prim_id
;
91 struct ac_arg vertex_index0
;
92 /* VS states and layout of LS outputs / TCS inputs at the end
93 * [0] = clamp vertex color
95 * [2:3] = NGG: output primitive type
96 * [4:5] = NGG: provoking vertex index
97 * [6] = NGG: streamout queries enabled
98 * [11:23] = stride between patches in DW = num_inputs * num_vertices * 4
99 * max = 32*32*4 + 32*4
100 * [24:31] = stride between vertices in DW = num_inputs * 4
103 struct ac_arg vs_state_bits
;
104 struct ac_arg vs_blit_inputs
;
106 struct ac_arg streamout_config
;
107 struct ac_arg streamout_write_index
;
108 struct ac_arg streamout_offset
[4];
111 /* Layout of TCS outputs in the offchip buffer
113 * [0:5] = the number of patches per threadgroup, max = NUM_PATCHES (40)
115 * [6:11] = the number of output vertices per patch, max = 32
117 * [12:31] = the offset of per patch attributes in the buffer in bytes.
118 * max = NUM_PATCHES*32*32*16
120 struct ac_arg tcs_offchip_layout
;
123 /* Offsets where TCS outputs and TCS patch outputs live in LDS:
124 * [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32
125 * [16:31] = TCS output patch0 offset for per-patch / 16
126 * max = (NUM_PATCHES + 1) * 32*32
128 struct ac_arg tcs_out_lds_offsets
;
129 /* Layout of TCS outputs / TES inputs:
130 * [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4
131 * max = 32*32*4 + 32*4
132 * [13:18] = gl_PatchVerticesIn, max = 32
133 * [19:31] = high 13 bits of the 32-bit address of tessellation ring buffers
135 struct ac_arg tcs_out_lds_layout
;
136 struct ac_arg tcs_offchip_offset
;
137 struct ac_arg tcs_factor_offset
;
140 struct ac_arg tes_offchip_addr
;
143 struct ac_arg tes_rel_patch_id
;
145 struct ac_arg es2gs_offset
;
148 * - bits 0..11: ordered_wave_id
149 * - bits 12..20: number of vertices in group
150 * - bits 22..30: number of primitives in group
152 struct ac_arg gs_tg_info
;
154 struct ac_arg gs2vs_offset
;
155 struct ac_arg gs_wave_id
; /* GFX6 */
156 struct ac_arg gs_vtx_offset
[6]; /* in dwords (GFX6) */
157 struct ac_arg gs_vtx01_offset
; /* in dwords (GFX9) */
158 struct ac_arg gs_vtx23_offset
; /* in dwords (GFX9) */
159 struct ac_arg gs_vtx45_offset
; /* in dwords (GFX9) */
161 struct ac_arg pos_fixed_pt
;
163 struct ac_arg block_size
;
164 struct ac_arg cs_user_data
;
166 struct ac_llvm_compiler
*compiler
;
168 /* Preloaded descriptors. */
169 LLVMValueRef esgs_ring
;
170 LLVMValueRef gsvs_ring
[4];
171 LLVMValueRef tess_offchip_ring
;
173 LLVMValueRef invoc0_tess_factors
[6]; /* outer[4], inner[2] */
174 LLVMValueRef gs_next_vertex
[4];
175 LLVMValueRef gs_curprim_verts
[4];
176 LLVMValueRef gs_generated_prims
[4];
177 LLVMValueRef gs_ngg_emit
;
178 LLVMValueRef gs_ngg_scratch
;
179 LLVMValueRef postponed_kill
;
180 LLVMValueRef return_value
;
196 LLVMValueRef i1false
;
200 static inline struct si_shader_context
*
201 si_shader_context_from_abi(struct ac_shader_abi
*abi
)
203 struct si_shader_context
*ctx
= NULL
;
204 return container_of(abi
, ctx
, abi
);
207 void si_llvm_context_init(struct si_shader_context
*ctx
,
208 struct si_screen
*sscreen
,
209 struct ac_llvm_compiler
*compiler
,
211 void si_llvm_context_set_ir(struct si_shader_context
*ctx
,
212 struct si_shader
*shader
);
214 void si_llvm_create_func(struct si_shader_context
*ctx
, const char *name
,
215 LLVMTypeRef
*return_types
, unsigned num_return_elems
,
216 unsigned max_workgroup_size
);
218 void si_llvm_dispose(struct si_shader_context
*ctx
);
220 void si_llvm_optimize_module(struct si_shader_context
*ctx
);
222 LLVMValueRef
si_nir_load_input_tes(struct ac_shader_abi
*abi
,
224 LLVMValueRef vertex_index
,
225 LLVMValueRef param_index
,
226 unsigned const_index
,
228 unsigned driver_location
,
230 unsigned num_components
,
234 bool si_is_merged_shader(struct si_shader_context
*ctx
);
235 LLVMValueRef
si_get_sample_id(struct si_shader_context
*ctx
);
236 LLVMValueRef
si_buffer_load_const(struct si_shader_context
*ctx
,
237 LLVMValueRef resource
, LLVMValueRef offset
);
238 void si_llvm_build_ret(struct si_shader_context
*ctx
, LLVMValueRef ret
);
239 LLVMValueRef
si_prolog_get_rw_buffers(struct si_shader_context
*ctx
);
240 LLVMValueRef
si_build_gather_64bit(struct si_shader_context
*ctx
,
241 LLVMTypeRef type
, LLVMValueRef val1
,
243 void si_llvm_emit_barrier(struct si_shader_context
*ctx
);
244 void si_llvm_declare_esgs_ring(struct si_shader_context
*ctx
);
245 void si_declare_compute_memory(struct si_shader_context
*ctx
);
246 LLVMValueRef
si_get_primitive_id(struct si_shader_context
*ctx
,
248 void si_llvm_export_vs(struct si_shader_context
*ctx
,
249 struct si_shader_output_values
*outputs
,
251 void si_emit_streamout_output(struct si_shader_context
*ctx
,
252 LLVMValueRef
const *so_buffers
,
253 LLVMValueRef
const *so_write_offsets
,
254 struct pipe_stream_output
*stream_out
,
255 struct si_shader_output_values
*shader_out
);
256 void si_add_arg_checked(struct ac_shader_args
*args
,
257 enum ac_arg_regfile file
,
258 unsigned registers
, enum ac_arg_type type
,
262 void si_llvm_load_input_vs(
263 struct si_shader_context
*ctx
,
264 unsigned input_index
,
265 LLVMValueRef out
[4]);
267 bool si_nir_build_llvm(struct si_shader_context
*ctx
, struct nir_shader
*nir
);
269 LLVMValueRef
si_unpack_param(struct si_shader_context
*ctx
,
270 struct ac_arg param
, unsigned rshift
,
272 void si_build_wrapper_function(struct si_shader_context
*ctx
, LLVMValueRef
*parts
,
273 unsigned num_parts
, unsigned main_part
,
274 unsigned next_shader_first_part
);
275 bool si_need_ps_prolog(const union si_shader_part_key
*key
);
276 void si_get_ps_prolog_key(struct si_shader
*shader
,
277 union si_shader_part_key
*key
,
278 bool separate_prolog
);
279 void si_get_ps_epilog_key(struct si_shader
*shader
,
280 union si_shader_part_key
*key
);
281 LLVMValueRef
si_insert_input_ret(struct si_shader_context
*ctx
, LLVMValueRef ret
,
282 struct ac_arg param
, unsigned return_index
);
283 LLVMValueRef
si_insert_input_ret_float(struct si_shader_context
*ctx
, LLVMValueRef ret
,
284 struct ac_arg param
, unsigned return_index
);
285 LLVMValueRef
si_insert_input_ptr(struct si_shader_context
*ctx
, LLVMValueRef ret
,
286 struct ac_arg param
, unsigned return_index
);
287 int si_compile_llvm(struct si_screen
*sscreen
,
288 struct si_shader_binary
*binary
,
289 struct ac_shader_config
*conf
,
290 struct ac_llvm_compiler
*compiler
,
291 struct ac_llvm_context
*ac
,
292 struct pipe_debug_callback
*debug
,
293 enum pipe_shader_type shader_type
,
295 bool less_optimized
);
296 void si_fix_resource_usage(struct si_screen
*sscreen
, struct si_shader
*shader
);
297 void si_llvm_emit_streamout(struct si_shader_context
*ctx
,
298 struct si_shader_output_values
*outputs
,
299 unsigned noutput
, unsigned stream
);
300 void si_create_function(struct si_shader_context
*ctx
);
302 void gfx10_ngg_build_sendmsg_gs_alloc_req(struct si_shader_context
*ctx
);
303 void gfx10_emit_ngg_epilogue(struct ac_shader_abi
*abi
,
304 unsigned max_outputs
,
305 LLVMValueRef
*addrs
);
306 void gfx10_ngg_gs_emit_vertex(struct si_shader_context
*ctx
,
308 LLVMValueRef
*addrs
);
309 void gfx10_ngg_gs_emit_prologue(struct si_shader_context
*ctx
);
310 void gfx10_ngg_gs_emit_epilogue(struct si_shader_context
*ctx
);
311 void gfx10_ngg_calculate_subgroup_info(struct si_shader
*shader
);
313 /* si_shader_llvm_gs.c */
314 LLVMValueRef
si_is_es_thread(struct si_shader_context
*ctx
);
315 LLVMValueRef
si_is_gs_thread(struct si_shader_context
*ctx
);
316 void si_llvm_emit_es_epilogue(struct ac_shader_abi
*abi
, unsigned max_outputs
,
317 LLVMValueRef
*addrs
);
318 void si_preload_esgs_ring(struct si_shader_context
*ctx
);
319 void si_preload_gs_rings(struct si_shader_context
*ctx
);
320 void si_llvm_build_gs_prolog(struct si_shader_context
*ctx
,
321 union si_shader_part_key
*key
);
322 void si_llvm_init_gs_callbacks(struct si_shader_context
*ctx
);
324 /* si_shader_llvm_tess.c */
325 void si_llvm_preload_tes_rings(struct si_shader_context
*ctx
);
326 void si_llvm_emit_ls_epilogue(struct ac_shader_abi
*abi
, unsigned max_outputs
,
327 LLVMValueRef
*addrs
);
328 void si_llvm_build_tcs_epilog(struct si_shader_context
*ctx
,
329 union si_shader_part_key
*key
);
330 void si_llvm_init_tcs_callbacks(struct si_shader_context
*ctx
);
331 void si_llvm_init_tes_callbacks(struct si_shader_context
*ctx
);
333 /* si_shader_llvm_ps.c */
334 void si_llvm_build_ps_prolog(struct si_shader_context
*ctx
,
335 union si_shader_part_key
*key
);
336 void si_llvm_build_ps_epilog(struct si_shader_context
*ctx
,
337 union si_shader_part_key
*key
);
338 void si_llvm_build_monolithic_ps(struct si_shader_context
*ctx
,
339 struct si_shader
*shader
);
340 void si_llvm_init_ps_callbacks(struct si_shader_context
*ctx
);
342 /* si_shader_llvm_resources.c */
343 void si_llvm_init_resource_callbacks(struct si_shader_context
*ctx
);