2 * Copyright 2016 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 #ifndef SI_SHADER_PRIVATE_H
25 #define SI_SHADER_PRIVATE_H
27 #include "si_shader.h"
28 #include "gallivm/lp_bld_flow.h"
29 #include "gallivm/lp_bld_init.h"
30 #include "gallivm/lp_bld_tgsi.h"
31 #include "tgsi/tgsi_parse.h"
32 #include "ac_shader_abi.h"
33 #include "ac_llvm_util.h"
34 #include "ac_llvm_build.h"
36 #include <llvm-c/Core.h>
37 #include <llvm-c/TargetMachine.h>
39 struct pipe_debug_callback
;
40 struct ac_shader_binary
;
42 #define RADEON_LLVM_MAX_INPUT_SLOTS 32
43 #define RADEON_LLVM_MAX_INPUTS 32 * 4
44 #define RADEON_LLVM_MAX_OUTPUTS 32 * 4
46 #define RADEON_LLVM_INITIAL_CF_DEPTH 4
48 #define RADEON_LLVM_MAX_SYSTEM_VALUES 11
49 #define RADEON_LLVM_MAX_ADDRS 16
53 struct si_shader_context
{
54 struct lp_build_tgsi_context bld_base
;
55 struct gallivm_state gallivm
;
56 struct ac_llvm_context ac
;
57 struct si_shader
*shader
;
58 struct si_screen
*screen
;
60 unsigned type
; /* PIPE_SHADER_* specifies the type of shader. */
62 /* For clamping the non-constant index in resource indexing: */
63 unsigned num_const_buffers
;
64 unsigned num_shader_buffers
;
66 unsigned num_samplers
;
68 /* Whether the prolog will be compiled separately. */
71 struct ac_shader_abi abi
;
73 /** This function is responsible for initilizing the inputs array and will be
74 * called once for each input declared in the TGSI shader.
76 void (*load_input
)(struct si_shader_context
*,
78 const struct tgsi_full_declaration
*decl
,
81 /** This array contains the input values for the shader. Typically these
82 * values will be in the form of a target intrinsic that will inform the
83 * backend how to load the actual inputs to the shader.
85 struct tgsi_full_declaration input_decls
[RADEON_LLVM_MAX_INPUT_SLOTS
];
86 LLVMValueRef inputs
[RADEON_LLVM_MAX_INPUTS
];
87 LLVMValueRef outputs
[RADEON_LLVM_MAX_OUTPUTS
][TGSI_NUM_CHANNELS
];
88 LLVMValueRef addrs
[RADEON_LLVM_MAX_ADDRS
][TGSI_NUM_CHANNELS
];
90 /** This pointer is used to contain the temporary values.
91 * The amount of temporary used in tgsi can't be bound to a max value and
92 * thus we must allocate this array at runtime.
96 LLVMValueRef system_values
[RADEON_LLVM_MAX_SYSTEM_VALUES
];
101 struct si_llvm_flow
*flow
;
103 unsigned flow_depth_max
;
105 struct lp_build_if_state merged_wrap_if_state
;
107 struct tgsi_array_info
*temp_arrays
;
108 LLVMValueRef
*temp_array_allocas
;
110 LLVMValueRef undef_alloca
;
112 LLVMValueRef main_fn
;
113 LLVMTypeRef return_type
;
115 /* Parameter indices for LLVMGetParam. */
116 int param_rw_buffers
;
117 int param_const_and_shader_buffers
;
118 int param_samplers_and_images
;
119 int param_bindless_samplers_and_images
;
120 /* Common inputs for merged shaders. */
121 int param_merged_wave_info
;
122 int param_merged_scratch_offset
;
124 int param_vertex_buffers
;
125 int param_rel_auto_id
;
126 int param_vs_prim_id
;
127 int param_vertex_index0
;
128 /* VS states and layout of LS outputs / TCS inputs at the end
129 * [0] = clamp vertex color
131 * [8:20] = stride between patches in DW = num_inputs * num_vertices * 4
132 * max = 32*32*4 + 32*4
133 * [24:31] = stride between vertices in DW = num_inputs * 4
136 int param_vs_state_bits
;
138 int param_streamout_config
;
139 int param_streamout_write_index
;
140 int param_streamout_offset
[4];
143 /* Layout of TCS outputs in the offchip buffer
145 * [0:5] = the number of patches per threadgroup, max = NUM_PATCHES (40)
147 * [6:11] = the number of output vertices per patch, max = 32
149 * [12:31] = the offset of per patch attributes in the buffer in bytes.
150 * max = NUM_PATCHES*32*32*16
152 int param_tcs_offchip_layout
;
155 /* Offsets where TCS outputs and TCS patch outputs live in LDS:
156 * [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32
157 * [16:31] = TCS output patch0 offset for per-patch / 16
158 * max = (NUM_PATCHES + 1) * 32*32
160 int param_tcs_out_lds_offsets
;
161 /* Layout of TCS outputs / TES inputs:
162 * [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4
163 * max = 32*32*4 + 32*4
164 * [13:20] = stride between output vertices in DW = num_inputs * 4
166 * [26:31] = gl_PatchVerticesIn, max = 32
168 int param_tcs_out_lds_layout
;
169 int param_tcs_offchip_addr_base64k
;
170 int param_tcs_factor_addr_base64k
;
171 int param_tcs_offchip_offset
;
172 int param_tcs_factor_offset
;
173 int param_tcs_patch_id
;
174 int param_tcs_rel_ids
;
179 int param_tes_rel_patch_id
;
180 int param_tes_patch_id
;
182 int param_es2gs_offset
;
184 int param_gs2vs_offset
;
185 int param_gs_wave_id
; /* GFX6 */
186 int param_gs_vtx0_offset
; /* in dwords (GFX6) */
187 int param_gs_vtx1_offset
; /* in dwords (GFX6) */
188 int param_gs_prim_id
;
189 int param_gs_vtx2_offset
; /* in dwords (GFX6) */
190 int param_gs_vtx3_offset
; /* in dwords (GFX6) */
191 int param_gs_vtx4_offset
; /* in dwords (GFX6) */
192 int param_gs_vtx5_offset
; /* in dwords (GFX6) */
193 int param_gs_instance_id
;
194 int param_gs_vtx01_offset
; /* in dwords (GFX9) */
195 int param_gs_vtx23_offset
; /* in dwords (GFX9) */
196 int param_gs_vtx45_offset
; /* in dwords (GFX9) */
199 int param_block_size
;
200 int param_block_id
[3];
203 LLVMTargetMachineRef tm
;
205 unsigned range_md_kind
;
206 unsigned fpmath_md_kind
;
207 LLVMValueRef fpmath_md_2p5_ulp
;
209 /* Preloaded descriptors. */
210 LLVMValueRef esgs_ring
;
211 LLVMValueRef gsvs_ring
[4];
214 LLVMValueRef gs_next_vertex
[4];
215 LLVMValueRef postponed_kill
;
216 LLVMValueRef return_value
;
233 LLVMValueRef shared_memory
;
236 static inline struct si_shader_context
*
237 si_shader_context(struct lp_build_tgsi_context
*bld_base
)
239 return (struct si_shader_context
*)bld_base
;
242 static inline struct si_shader_context
*
243 si_shader_context_from_abi(struct ac_shader_abi
*abi
)
245 struct si_shader_context
*ctx
= NULL
;
246 return container_of(abi
, ctx
, abi
);
249 void si_llvm_add_attribute(LLVMValueRef F
, const char *name
, int value
);
251 unsigned si_llvm_compile(LLVMModuleRef M
, struct ac_shader_binary
*binary
,
252 LLVMTargetMachineRef tm
,
253 struct pipe_debug_callback
*debug
);
255 LLVMTypeRef
tgsi2llvmtype(struct lp_build_tgsi_context
*bld_base
,
256 enum tgsi_opcode_type type
);
258 LLVMValueRef
bitcast(struct lp_build_tgsi_context
*bld_base
,
259 enum tgsi_opcode_type type
, LLVMValueRef value
);
261 LLVMValueRef
si_llvm_bound_index(struct si_shader_context
*ctx
,
265 void si_llvm_context_init(struct si_shader_context
*ctx
,
266 struct si_screen
*sscreen
,
267 LLVMTargetMachineRef tm
);
268 void si_llvm_context_set_tgsi(struct si_shader_context
*ctx
,
269 struct si_shader
*shader
);
271 void si_llvm_create_func(struct si_shader_context
*ctx
,
273 LLVMTypeRef
*return_types
, unsigned num_return_elems
,
274 LLVMTypeRef
*ParamTypes
, unsigned ParamCount
);
276 void si_llvm_dispose(struct si_shader_context
*ctx
);
278 void si_llvm_optimize_module(struct si_shader_context
*ctx
);
280 LLVMValueRef
si_llvm_emit_fetch_64bit(struct lp_build_tgsi_context
*bld_base
,
281 enum tgsi_opcode_type type
,
285 LLVMValueRef
si_llvm_emit_fetch(struct lp_build_tgsi_context
*bld_base
,
286 const struct tgsi_full_src_register
*reg
,
287 enum tgsi_opcode_type type
,
290 void si_llvm_emit_store(struct lp_build_tgsi_context
*bld_base
,
291 const struct tgsi_full_instruction
*inst
,
292 const struct tgsi_opcode_info
*info
,
293 LLVMValueRef dst
[4]);
295 /* Combine these with & instead of |. */
296 #define NOOP_WAITCNT 0xf7f
297 #define LGKM_CNT 0x07f
300 void si_emit_waitcnt(struct si_shader_context
*ctx
, unsigned simm16
);
302 LLVMValueRef
si_get_indirect_index(struct si_shader_context
*ctx
,
303 const struct tgsi_ind_register
*ind
,
305 LLVMValueRef
si_get_bounded_indirect_index(struct si_shader_context
*ctx
,
306 const struct tgsi_ind_register
*ind
,
307 int rel_index
, unsigned num
);
309 LLVMTypeRef
si_const_array(LLVMTypeRef elem_type
, int num_elements
);
311 void si_shader_context_init_alu(struct lp_build_tgsi_context
*bld_base
);
312 void si_shader_context_init_mem(struct si_shader_context
*ctx
);
314 LLVMValueRef
si_load_sampler_desc(struct si_shader_context
*ctx
,
315 LLVMValueRef list
, LLVMValueRef index
,
316 enum ac_descriptor_type type
);
317 LLVMValueRef
si_load_image_desc(struct si_shader_context
*ctx
,
318 LLVMValueRef list
, LLVMValueRef index
,
319 enum ac_descriptor_type desc_type
, bool dcc_off
);
321 void si_load_system_value(struct si_shader_context
*ctx
,
323 const struct tgsi_full_declaration
*decl
);
324 void si_declare_compute_memory(struct si_shader_context
*ctx
,
325 const struct tgsi_full_declaration
*decl
);
327 void si_llvm_load_input_vs(
328 struct si_shader_context
*ctx
,
329 unsigned input_index
,
330 LLVMValueRef out
[4]);
331 void si_llvm_load_input_fs(
332 struct si_shader_context
*ctx
,
333 unsigned input_index
,
334 LLVMValueRef out
[4]);
336 bool si_nir_build_llvm(struct si_shader_context
*ctx
, struct nir_shader
*nir
);