Christian König | ce40e47 | 2012-08-02 12:14:59 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Advanced Micro Devices, Inc. |
| 3 | * |
| 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: |
| 10 | * |
| 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 |
| 13 | * Software. |
| 14 | * |
| 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. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Tom Stellard <thomas.stellard@amd.com> |
| 25 | * Michel Dänzer <michel.daenzer@amd.com> |
| 26 | * Christian König <christian.koenig@amd.com> |
| 27 | */ |
| 28 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 29 | #include "gallivm/lp_bld_const.h" |
Michel Dänzer | c2bae6b | 2012-08-02 17:19:22 +0200 | [diff] [blame] | 30 | #include "gallivm/lp_bld_gather.h" |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 31 | #include "gallivm/lp_bld_intr.h" |
Michel Dänzer | 7708a86 | 2012-11-02 15:57:30 +0100 | [diff] [blame] | 32 | #include "gallivm/lp_bld_logic.h" |
Christian König | 5e616cf | 2013-03-07 11:58:56 +0100 | [diff] [blame] | 33 | #include "gallivm/lp_bld_arit.h" |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 34 | #include "gallivm/lp_bld_flow.h" |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 35 | #include "radeon_llvm.h" |
Tom Stellard | 509ddb0 | 2012-04-16 17:48:44 -0400 | [diff] [blame] | 36 | #include "radeon_llvm_emit.h" |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 37 | #include "util/u_memory.h" |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 38 | #include "tgsi/tgsi_parse.h" |
Michel Dänzer | beaa5eb | 2013-05-24 13:23:26 +0100 | [diff] [blame] | 39 | #include "tgsi/tgsi_util.h" |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 40 | #include "tgsi/tgsi_dump.h" |
| 41 | |
Andreas Hartmetz | 786af2f | 2014-01-04 18:44:33 +0100 | [diff] [blame] | 42 | #include "si_pipe.h" |
| 43 | #include "si_shader.h" |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 44 | #include "sid.h" |
| 45 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 46 | #include <errno.h> |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 47 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 48 | struct si_shader_output_values |
| 49 | { |
| 50 | LLVMValueRef values[4]; |
| 51 | unsigned name; |
| 52 | unsigned index; |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 53 | unsigned sid; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 54 | unsigned usage; |
| 55 | }; |
| 56 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 57 | struct si_shader_context |
| 58 | { |
| 59 | struct radeon_llvm_context radeon_bld; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 60 | struct tgsi_parse_context parse; |
| 61 | struct tgsi_token * tokens; |
| 62 | struct si_pipe_shader *shader; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 63 | struct si_shader *gs_for_vs; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 64 | unsigned type; /* TGSI_PROCESSOR_* specifies the type of shader. */ |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 65 | int param_streamout_config; |
| 66 | int param_streamout_write_index; |
| 67 | int param_streamout_offset[4]; |
| 68 | int param_vertex_id; |
| 69 | int param_instance_id; |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 70 | LLVMValueRef const_md; |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 71 | LLVMValueRef const_resource[NUM_CONST_BUFFERS]; |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 72 | #if HAVE_LLVM >= 0x0304 |
| 73 | LLVMValueRef ddxy_lds; |
| 74 | #endif |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 75 | LLVMValueRef *constants[NUM_CONST_BUFFERS]; |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 76 | LLVMValueRef *resources; |
| 77 | LLVMValueRef *samplers; |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 78 | LLVMValueRef so_buffers[4]; |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 79 | LLVMValueRef gs_next_vertex; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | static struct si_shader_context * si_shader_context( |
| 83 | struct lp_build_tgsi_context * bld_base) |
| 84 | { |
| 85 | return (struct si_shader_context *)bld_base; |
| 86 | } |
| 87 | |
| 88 | |
| 89 | #define PERSPECTIVE_BASE 0 |
| 90 | #define LINEAR_BASE 9 |
| 91 | |
| 92 | #define SAMPLE_OFFSET 0 |
| 93 | #define CENTER_OFFSET 2 |
| 94 | #define CENTROID_OFSET 4 |
| 95 | |
| 96 | #define USE_SGPR_MAX_SUFFIX_LEN 5 |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 97 | #define CONST_ADDR_SPACE 2 |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 98 | #define LOCAL_ADDR_SPACE 3 |
Tom Stellard | 89ece08 | 2012-05-29 11:36:29 -0400 | [diff] [blame] | 99 | #define USER_SGPR_ADDR_SPACE 8 |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 100 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 101 | |
| 102 | #define SENDMSG_GS 2 |
| 103 | #define SENDMSG_GS_DONE 3 |
| 104 | |
| 105 | #define SENDMSG_GS_OP_NOP (0 << 4) |
| 106 | #define SENDMSG_GS_OP_CUT (1 << 4) |
| 107 | #define SENDMSG_GS_OP_EMIT (2 << 4) |
| 108 | #define SENDMSG_GS_OP_EMIT_CUT (3 << 4) |
| 109 | |
| 110 | |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 111 | /** |
| 112 | * Build an LLVM bytecode indexed load using LLVMBuildGEP + LLVMBuildLoad |
| 113 | * |
| 114 | * @param offset The offset parameter specifies the number of |
| 115 | * elements to offset, not the number of bytes or dwords. An element is the |
| 116 | * the type pointed to by the base_ptr parameter (e.g. int is the element of |
| 117 | * an int* pointer) |
| 118 | * |
| 119 | * When LLVM lowers the load instruction, it will convert the element offset |
| 120 | * into a dword offset automatically. |
| 121 | * |
| 122 | */ |
| 123 | static LLVMValueRef build_indexed_load( |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 124 | struct si_shader_context * si_shader_ctx, |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 125 | LLVMValueRef base_ptr, |
| 126 | LLVMValueRef offset) |
| 127 | { |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 128 | struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base; |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 129 | |
Vincent Lejeune | 6e51c2a | 2013-10-05 16:04:48 +0200 | [diff] [blame] | 130 | LLVMValueRef indices[2] = { |
| 131 | LLVMConstInt(LLVMInt64TypeInContext(base->gallivm->context), 0, false), |
| 132 | offset |
| 133 | }; |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 134 | LLVMValueRef computed_ptr = LLVMBuildGEP( |
Vincent Lejeune | 6e51c2a | 2013-10-05 16:04:48 +0200 | [diff] [blame] | 135 | base->gallivm->builder, base_ptr, indices, 2, ""); |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 136 | |
| 137 | LLVMValueRef result = LLVMBuildLoad(base->gallivm->builder, computed_ptr, ""); |
| 138 | LLVMSetMetadata(result, 1, si_shader_ctx->const_md); |
| 139 | return result; |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 140 | } |
| 141 | |
Marek Olšák | f317ce5 | 2013-09-05 15:39:57 +0200 | [diff] [blame] | 142 | static LLVMValueRef get_instance_index_for_fetch( |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 143 | struct radeon_llvm_context * radeon_bld, |
| 144 | unsigned divisor) |
| 145 | { |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 146 | struct si_shader_context *si_shader_ctx = |
| 147 | si_shader_context(&radeon_bld->soa.bld_base); |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 148 | struct gallivm_state * gallivm = radeon_bld->soa.bld_base.base.gallivm; |
| 149 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 150 | LLVMValueRef result = LLVMGetParam(radeon_bld->main_fn, |
| 151 | si_shader_ctx->param_instance_id); |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 152 | result = LLVMBuildAdd(gallivm->builder, result, LLVMGetParam( |
| 153 | radeon_bld->main_fn, SI_PARAM_START_INSTANCE), ""); |
| 154 | |
| 155 | if (divisor > 1) |
| 156 | result = LLVMBuildUDiv(gallivm->builder, result, |
| 157 | lp_build_const_int32(gallivm, divisor), ""); |
| 158 | |
| 159 | return result; |
| 160 | } |
| 161 | |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 162 | static int si_store_shader_io_attribs(struct si_shader *shader, |
| 163 | const struct tgsi_full_declaration *d) |
| 164 | { |
| 165 | int i = -1; |
| 166 | |
| 167 | switch (d->Declaration.File) { |
| 168 | case TGSI_FILE_INPUT: |
| 169 | i = shader->ninput++; |
| 170 | assert(i < Elements(shader->input)); |
| 171 | shader->input[i].name = d->Semantic.Name; |
| 172 | shader->input[i].sid = d->Semantic.Index; |
Michel Dänzer | d8b3d80 | 2014-01-09 12:55:26 +0900 | [diff] [blame] | 173 | shader->input[i].index = d->Range.First; |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 174 | shader->input[i].interpolate = d->Interp.Interpolate; |
| 175 | shader->input[i].centroid = d->Interp.Centroid; |
| 176 | return -1; |
| 177 | |
| 178 | case TGSI_FILE_OUTPUT: |
| 179 | i = shader->noutput++; |
| 180 | assert(i < Elements(shader->output)); |
| 181 | shader->output[i].name = d->Semantic.Name; |
| 182 | shader->output[i].sid = d->Semantic.Index; |
| 183 | shader->output[i].index = d->Range.First; |
| 184 | shader->output[i].usage = d->Declaration.UsageMask; |
| 185 | break; |
| 186 | } |
| 187 | |
| 188 | return i; |
| 189 | } |
| 190 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 191 | static void declare_input_vs( |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 192 | struct radeon_llvm_context *radeon_bld, |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 193 | unsigned input_index, |
| 194 | const struct tgsi_full_declaration *decl) |
| 195 | { |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 196 | struct lp_build_context *base = &radeon_bld->soa.bld_base.base; |
| 197 | struct gallivm_state *gallivm = base->gallivm; |
| 198 | struct si_shader_context *si_shader_ctx = |
| 199 | si_shader_context(&radeon_bld->soa.bld_base); |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 200 | unsigned divisor = si_shader_ctx->shader->key.vs.instance_divisors[input_index]; |
| 201 | |
| 202 | unsigned chan; |
| 203 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 204 | LLVMValueRef t_list_ptr; |
| 205 | LLVMValueRef t_offset; |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 206 | LLVMValueRef t_list; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 207 | LLVMValueRef attribute_offset; |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 208 | LLVMValueRef buffer_index; |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 209 | LLVMValueRef args[3]; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 210 | LLVMTypeRef vec4_type; |
| 211 | LLVMValueRef input; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 212 | |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 213 | /* Load the T list */ |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 214 | t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_VERTEX_BUFFER); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 215 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 216 | t_offset = lp_build_const_int32(gallivm, input_index); |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 217 | |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 218 | t_list = build_indexed_load(si_shader_ctx, t_list_ptr, t_offset); |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 219 | |
| 220 | /* Build the attribute offset */ |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 221 | attribute_offset = lp_build_const_int32(gallivm, 0); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 222 | |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 223 | if (divisor) { |
| 224 | /* Build index from instance ID, start instance and divisor */ |
| 225 | si_shader_ctx->shader->shader.uses_instanceid = true; |
Marek Olšák | f317ce5 | 2013-09-05 15:39:57 +0200 | [diff] [blame] | 226 | buffer_index = get_instance_index_for_fetch(&si_shader_ctx->radeon_bld, divisor); |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 227 | } else { |
| 228 | /* Load the buffer index, which is always stored in VGPR0 |
| 229 | * for Vertex Shaders */ |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 230 | buffer_index = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 231 | si_shader_ctx->param_vertex_id); |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 232 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 233 | |
| 234 | vec4_type = LLVMVectorType(base->elem_type, 4); |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 235 | args[0] = t_list; |
| 236 | args[1] = attribute_offset; |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 237 | args[2] = buffer_index; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 238 | input = build_intrinsic(gallivm->builder, |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 239 | "llvm.SI.vs.load.input", vec4_type, args, 3, |
| 240 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 241 | |
| 242 | /* Break up the vec4 into individual components */ |
| 243 | for (chan = 0; chan < 4; chan++) { |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 244 | LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 245 | /* XXX: Use a helper function for this. There is one in |
| 246 | * tgsi_llvm.c. */ |
| 247 | si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, chan)] = |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 248 | LLVMBuildExtractElement(gallivm->builder, |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 249 | input, llvm_chan, ""); |
| 250 | } |
| 251 | } |
| 252 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 253 | static void declare_input_gs( |
| 254 | struct radeon_llvm_context *radeon_bld, |
| 255 | unsigned input_index, |
| 256 | const struct tgsi_full_declaration *decl) |
| 257 | { |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 258 | struct si_shader_context *si_shader_ctx = |
| 259 | si_shader_context(&radeon_bld->soa.bld_base); |
| 260 | struct si_shader *shader = &si_shader_ctx->shader->shader; |
| 261 | |
| 262 | si_store_shader_io_attribs(shader, decl); |
Michel Dänzer | d8b3d80 | 2014-01-09 12:55:26 +0900 | [diff] [blame] | 263 | |
| 264 | if (decl->Semantic.Name != TGSI_SEMANTIC_PRIMID) |
| 265 | shader->input[input_index].param_offset = shader->nparam++; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | static LLVMValueRef fetch_input_gs( |
| 269 | struct lp_build_tgsi_context *bld_base, |
| 270 | const struct tgsi_full_src_register *reg, |
| 271 | enum tgsi_opcode_type type, |
| 272 | unsigned swizzle) |
| 273 | { |
| 274 | struct lp_build_context *base = &bld_base->base; |
| 275 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 276 | struct si_shader *shader = &si_shader_ctx->shader->shader; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 277 | struct lp_build_context *uint = &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; |
| 278 | struct gallivm_state *gallivm = base->gallivm; |
| 279 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
| 280 | LLVMValueRef vtx_offset; |
| 281 | LLVMValueRef t_list_ptr; |
| 282 | LLVMValueRef t_list; |
| 283 | LLVMValueRef args[9]; |
| 284 | unsigned vtx_offset_param; |
| 285 | |
Michel Dänzer | d8b3d80 | 2014-01-09 12:55:26 +0900 | [diff] [blame] | 286 | if (swizzle != ~0 && |
| 287 | shader->input[reg->Register.Index].name == TGSI_SEMANTIC_PRIMID) { |
| 288 | if (swizzle == 0) |
| 289 | return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 290 | SI_PARAM_PRIMITIVE_ID); |
| 291 | else |
| 292 | return uint->zero; |
| 293 | } |
| 294 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 295 | if (!reg->Register.Dimension) |
| 296 | return NULL; |
| 297 | |
| 298 | if (swizzle == ~0) { |
| 299 | LLVMValueRef values[TGSI_NUM_CHANNELS]; |
| 300 | unsigned chan; |
| 301 | for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { |
| 302 | values[chan] = fetch_input_gs(bld_base, reg, type, chan); |
| 303 | } |
| 304 | return lp_build_gather_values(bld_base->base.gallivm, values, |
| 305 | TGSI_NUM_CHANNELS); |
| 306 | } |
| 307 | |
| 308 | /* Get the vertex offset parameter */ |
| 309 | vtx_offset_param = reg->Dimension.Index; |
| 310 | if (vtx_offset_param < 2) { |
| 311 | vtx_offset_param += SI_PARAM_VTX0_OFFSET; |
| 312 | } else { |
| 313 | assert(vtx_offset_param < 6); |
| 314 | vtx_offset_param += SI_PARAM_VTX2_OFFSET - 2; |
| 315 | } |
| 316 | vtx_offset = lp_build_mul_imm(uint, |
| 317 | LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 318 | vtx_offset_param), |
| 319 | 4); |
| 320 | |
| 321 | /* Load the ESGS ring resource descriptor */ |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 322 | t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 323 | SI_PARAM_RW_BUFFERS); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 324 | t_list = build_indexed_load(si_shader_ctx, t_list_ptr, |
Michel Dänzer | b4e1493 | 2014-01-22 17:32:09 +0900 | [diff] [blame] | 325 | lp_build_const_int32(gallivm, SI_RING_ESGS)); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 326 | |
| 327 | args[0] = t_list; |
| 328 | args[1] = vtx_offset; |
| 329 | args[2] = lp_build_const_int32(gallivm, |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 330 | ((shader->input[reg->Register.Index].param_offset * 4) + |
| 331 | swizzle) * 256); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 332 | args[3] = uint->zero; |
| 333 | args[4] = uint->one; /* OFFEN */ |
| 334 | args[5] = uint->zero; /* IDXEN */ |
| 335 | args[6] = uint->one; /* GLC */ |
| 336 | args[7] = uint->zero; /* SLC */ |
| 337 | args[8] = uint->zero; /* TFE */ |
| 338 | |
| 339 | return LLVMBuildBitCast(gallivm->builder, |
| 340 | build_intrinsic(gallivm->builder, |
| 341 | "llvm.SI.buffer.load.dword.i32.i32", |
| 342 | i32, args, 9, |
| 343 | LLVMReadOnlyAttribute | LLVMNoUnwindAttribute), |
| 344 | tgsi2llvmtype(bld_base, type), ""); |
| 345 | } |
| 346 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 347 | static void declare_input_fs( |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 348 | struct radeon_llvm_context *radeon_bld, |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 349 | unsigned input_index, |
| 350 | const struct tgsi_full_declaration *decl) |
| 351 | { |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 352 | struct lp_build_context *base = &radeon_bld->soa.bld_base.base; |
| 353 | struct si_shader_context *si_shader_ctx = |
| 354 | si_shader_context(&radeon_bld->soa.bld_base); |
Michel Dänzer | c3db19e | 2012-09-27 20:01:33 +0200 | [diff] [blame] | 355 | struct si_shader *shader = &si_shader_ctx->shader->shader; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 356 | struct lp_build_context *uint = &radeon_bld->soa.bld_base.uint_bld; |
| 357 | struct gallivm_state *gallivm = base->gallivm; |
Tom Stellard | 0fb1e68 | 2012-09-06 16:18:11 -0400 | [diff] [blame] | 358 | LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 359 | LLVMValueRef main_fn = radeon_bld->main_fn; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 360 | |
| 361 | LLVMValueRef interp_param; |
| 362 | const char * intr_name; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 363 | |
| 364 | /* This value is: |
| 365 | * [15:0] NewPrimMask (Bit mask for each quad. It is set it the |
| 366 | * quad begins a new primitive. Bit 0 always needs |
| 367 | * to be unset) |
| 368 | * [32:16] ParamOffset |
| 369 | * |
| 370 | */ |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 371 | LLVMValueRef params = LLVMGetParam(main_fn, SI_PARAM_PRIM_MASK); |
Michel Dänzer | c3db19e | 2012-09-27 20:01:33 +0200 | [diff] [blame] | 372 | LLVMValueRef attr_number; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 373 | |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 374 | unsigned chan; |
| 375 | |
Tom Stellard | 0fb1e68 | 2012-09-06 16:18:11 -0400 | [diff] [blame] | 376 | if (decl->Semantic.Name == TGSI_SEMANTIC_POSITION) { |
| 377 | for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { |
Tom Stellard | 0fb1e68 | 2012-09-06 16:18:11 -0400 | [diff] [blame] | 378 | unsigned soa_index = |
| 379 | radeon_llvm_reg_index_soa(input_index, chan); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 380 | radeon_bld->inputs[soa_index] = |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 381 | LLVMGetParam(main_fn, SI_PARAM_POS_X_FLOAT + chan); |
Michel Dänzer | 954bc4a | 2013-02-13 15:57:23 +0100 | [diff] [blame] | 382 | |
| 383 | if (chan == 3) |
| 384 | /* RCP for fragcoord.w */ |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 385 | radeon_bld->inputs[soa_index] = |
Michel Dänzer | 954bc4a | 2013-02-13 15:57:23 +0100 | [diff] [blame] | 386 | LLVMBuildFDiv(gallivm->builder, |
| 387 | lp_build_const_float(gallivm, 1.0f), |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 388 | radeon_bld->inputs[soa_index], |
Michel Dänzer | 954bc4a | 2013-02-13 15:57:23 +0100 | [diff] [blame] | 389 | ""); |
Tom Stellard | 0fb1e68 | 2012-09-06 16:18:11 -0400 | [diff] [blame] | 390 | } |
| 391 | return; |
| 392 | } |
| 393 | |
Michel Dänzer | 97078b1 | 2012-09-25 12:41:31 +0200 | [diff] [blame] | 394 | if (decl->Semantic.Name == TGSI_SEMANTIC_FACE) { |
| 395 | LLVMValueRef face, is_face_positive; |
| 396 | |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 397 | face = LLVMGetParam(main_fn, SI_PARAM_FRONT_FACE); |
| 398 | |
Michel Dänzer | 97078b1 | 2012-09-25 12:41:31 +0200 | [diff] [blame] | 399 | is_face_positive = LLVMBuildFCmp(gallivm->builder, |
| 400 | LLVMRealUGT, face, |
| 401 | lp_build_const_float(gallivm, 0.0f), |
| 402 | ""); |
| 403 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 404 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 0)] = |
Michel Dänzer | 97078b1 | 2012-09-25 12:41:31 +0200 | [diff] [blame] | 405 | LLVMBuildSelect(gallivm->builder, |
| 406 | is_face_positive, |
| 407 | lp_build_const_float(gallivm, 1.0f), |
| 408 | lp_build_const_float(gallivm, 0.0f), |
| 409 | ""); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 410 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 1)] = |
| 411 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 2)] = |
Michel Dänzer | 97078b1 | 2012-09-25 12:41:31 +0200 | [diff] [blame] | 412 | lp_build_const_float(gallivm, 0.0f); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 413 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 3)] = |
Michel Dänzer | 97078b1 | 2012-09-25 12:41:31 +0200 | [diff] [blame] | 414 | lp_build_const_float(gallivm, 1.0f); |
| 415 | |
| 416 | return; |
| 417 | } |
| 418 | |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 419 | shader->input[input_index].param_offset = shader->nparam++; |
Michel Dänzer | c3db19e | 2012-09-27 20:01:33 +0200 | [diff] [blame] | 420 | attr_number = lp_build_const_int32(gallivm, |
| 421 | shader->input[input_index].param_offset); |
| 422 | |
Francisco Jerez | 1279923 | 2012-04-30 18:27:52 +0200 | [diff] [blame] | 423 | switch (decl->Interp.Interpolate) { |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 424 | case TGSI_INTERPOLATE_COLOR: |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 425 | if (si_shader_ctx->shader->key.ps.flatshade) { |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 426 | interp_param = 0; |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 427 | } else { |
| 428 | if (decl->Interp.Centroid) |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 429 | interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID); |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 430 | else |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 431 | interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER); |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 432 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 433 | break; |
| 434 | case TGSI_INTERPOLATE_CONSTANT: |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 435 | interp_param = 0; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 436 | break; |
| 437 | case TGSI_INTERPOLATE_LINEAR: |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 438 | if (decl->Interp.Centroid) |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 439 | interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID); |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 440 | else |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 441 | interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTER); |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 442 | break; |
| 443 | case TGSI_INTERPOLATE_PERSPECTIVE: |
| 444 | if (decl->Interp.Centroid) |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 445 | interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID); |
Michel Dänzer | 1deb2be | 2012-05-14 16:26:19 +0200 | [diff] [blame] | 446 | else |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 447 | interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 448 | break; |
| 449 | default: |
| 450 | fprintf(stderr, "Warning: Unhandled interpolation mode.\n"); |
| 451 | return; |
| 452 | } |
| 453 | |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 454 | intr_name = interp_param ? "llvm.SI.fs.interp" : "llvm.SI.fs.constant"; |
| 455 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 456 | /* XXX: Could there be more than TGSI_NUM_CHANNELS (4) ? */ |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 457 | if (decl->Semantic.Name == TGSI_SEMANTIC_COLOR && |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 458 | si_shader_ctx->shader->key.ps.color_two_side) { |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 459 | LLVMValueRef args[4]; |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 460 | LLVMValueRef face, is_face_positive; |
| 461 | LLVMValueRef back_attr_number = |
| 462 | lp_build_const_int32(gallivm, |
| 463 | shader->input[input_index].param_offset + 1); |
| 464 | |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 465 | face = LLVMGetParam(main_fn, SI_PARAM_FRONT_FACE); |
| 466 | |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 467 | is_face_positive = LLVMBuildFCmp(gallivm->builder, |
| 468 | LLVMRealUGT, face, |
| 469 | lp_build_const_float(gallivm, 0.0f), |
| 470 | ""); |
| 471 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 472 | args[2] = params; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 473 | args[3] = interp_param; |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 474 | for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { |
| 475 | LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan); |
| 476 | unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan); |
| 477 | LLVMValueRef front, back; |
| 478 | |
| 479 | args[0] = llvm_chan; |
| 480 | args[1] = attr_number; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 481 | front = build_intrinsic(gallivm->builder, intr_name, |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 482 | input_type, args, args[3] ? 4 : 3, |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 483 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 484 | |
| 485 | args[1] = back_attr_number; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 486 | back = build_intrinsic(gallivm->builder, intr_name, |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 487 | input_type, args, args[3] ? 4 : 3, |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 488 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 489 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 490 | radeon_bld->inputs[soa_index] = |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 491 | LLVMBuildSelect(gallivm->builder, |
| 492 | is_face_positive, |
| 493 | front, |
| 494 | back, |
| 495 | ""); |
| 496 | } |
| 497 | |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 498 | shader->nparam++; |
Michel Dänzer | 237cb07 | 2013-08-21 18:00:35 +0200 | [diff] [blame] | 499 | } else if (decl->Semantic.Name == TGSI_SEMANTIC_FOG) { |
| 500 | LLVMValueRef args[4]; |
| 501 | |
| 502 | args[0] = uint->zero; |
| 503 | args[1] = attr_number; |
| 504 | args[2] = params; |
| 505 | args[3] = interp_param; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 506 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 0)] = |
| 507 | build_intrinsic(gallivm->builder, intr_name, |
| 508 | input_type, args, args[3] ? 4 : 3, |
| 509 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
| 510 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 1)] = |
| 511 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 2)] = |
Michel Dänzer | 237cb07 | 2013-08-21 18:00:35 +0200 | [diff] [blame] | 512 | lp_build_const_float(gallivm, 0.0f); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 513 | radeon_bld->inputs[radeon_llvm_reg_index_soa(input_index, 3)] = |
Michel Dänzer | 237cb07 | 2013-08-21 18:00:35 +0200 | [diff] [blame] | 514 | lp_build_const_float(gallivm, 1.0f); |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 515 | } else { |
| 516 | for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 517 | LLVMValueRef args[4]; |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 518 | LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan); |
| 519 | unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan); |
| 520 | args[0] = llvm_chan; |
| 521 | args[1] = attr_number; |
| 522 | args[2] = params; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 523 | args[3] = interp_param; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 524 | radeon_bld->inputs[soa_index] = |
| 525 | build_intrinsic(gallivm->builder, intr_name, |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 526 | input_type, args, args[3] ? 4 : 3, |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 527 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Michel Dänzer | 691f08d | 2012-09-06 18:03:38 +0200 | [diff] [blame] | 528 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 529 | } |
| 530 | } |
| 531 | |
Marek Olšák | 250aa93 | 2014-05-06 14:10:47 +0200 | [diff] [blame^] | 532 | static LLVMValueRef load_const(LLVMBuilderRef builder, LLVMValueRef resource, |
| 533 | LLVMValueRef offset, LLVMTypeRef return_type) |
| 534 | { |
| 535 | LLVMValueRef args[2] = {resource, offset}; |
| 536 | |
| 537 | return build_intrinsic(builder, "llvm.SI.load.const", return_type, args, 2, |
| 538 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
| 539 | } |
| 540 | |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 541 | static void declare_system_value( |
| 542 | struct radeon_llvm_context * radeon_bld, |
| 543 | unsigned index, |
| 544 | const struct tgsi_full_declaration *decl) |
| 545 | { |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 546 | struct si_shader_context *si_shader_ctx = |
| 547 | si_shader_context(&radeon_bld->soa.bld_base); |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 548 | LLVMValueRef value = 0; |
| 549 | |
| 550 | switch (decl->Semantic.Name) { |
| 551 | case TGSI_SEMANTIC_INSTANCEID: |
Marek Olšák | f317ce5 | 2013-09-05 15:39:57 +0200 | [diff] [blame] | 552 | value = LLVMGetParam(radeon_bld->main_fn, |
| 553 | si_shader_ctx->param_instance_id); |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 554 | break; |
| 555 | |
| 556 | case TGSI_SEMANTIC_VERTEXID: |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 557 | value = LLVMGetParam(radeon_bld->main_fn, |
| 558 | si_shader_ctx->param_vertex_id); |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 559 | break; |
| 560 | |
| 561 | default: |
| 562 | assert(!"unknown system value"); |
| 563 | return; |
| 564 | } |
| 565 | |
| 566 | radeon_bld->system_values[index] = value; |
| 567 | } |
| 568 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 569 | static LLVMValueRef fetch_constant( |
| 570 | struct lp_build_tgsi_context * bld_base, |
| 571 | const struct tgsi_full_src_register *reg, |
| 572 | enum tgsi_opcode_type type, |
| 573 | unsigned swizzle) |
| 574 | { |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 575 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 576 | struct lp_build_context * base = &bld_base->base; |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 577 | const struct tgsi_ind_register *ireg = ®->Indirect; |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 578 | unsigned buf, idx; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 579 | |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 580 | LLVMValueRef addr; |
Christian König | f5298b0 | 2013-02-28 14:50:07 +0100 | [diff] [blame] | 581 | LLVMValueRef result; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 582 | |
Christian König | 8514f5a | 2013-02-04 17:46:42 +0100 | [diff] [blame] | 583 | if (swizzle == LP_CHAN_ALL) { |
| 584 | unsigned chan; |
| 585 | LLVMValueRef values[4]; |
| 586 | for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) |
| 587 | values[chan] = fetch_constant(bld_base, reg, type, chan); |
| 588 | |
| 589 | return lp_build_gather_values(bld_base->base.gallivm, values, 4); |
| 590 | } |
| 591 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 592 | buf = reg->Register.Dimension ? reg->Dimension.Index : 0; |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 593 | idx = reg->Register.Index * 4 + swizzle; |
Christian König | f5298b0 | 2013-02-28 14:50:07 +0100 | [diff] [blame] | 594 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 595 | if (!reg->Register.Indirect) |
| 596 | return bitcast(bld_base, type, si_shader_ctx->constants[buf][idx]); |
| 597 | |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 598 | addr = si_shader_ctx->radeon_bld.soa.addr[ireg->Index][ireg->Swizzle]; |
| 599 | addr = LLVMBuildLoad(base->gallivm->builder, addr, "load addr reg"); |
| 600 | addr = lp_build_mul_imm(&bld_base->uint_bld, addr, 16); |
Marek Olšák | 250aa93 | 2014-05-06 14:10:47 +0200 | [diff] [blame^] | 601 | addr = lp_build_add(&bld_base->uint_bld, addr, |
| 602 | lp_build_const_int32(base->gallivm, idx * 4)); |
Christian König | e7723b5 | 2012-08-24 12:55:34 +0200 | [diff] [blame] | 603 | |
Marek Olšák | 250aa93 | 2014-05-06 14:10:47 +0200 | [diff] [blame^] | 604 | result = load_const(base->gallivm->builder, si_shader_ctx->const_resource[buf], |
| 605 | addr, base->elem_type); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 606 | |
Christian König | f5298b0 | 2013-02-28 14:50:07 +0100 | [diff] [blame] | 607 | return bitcast(bld_base, type, result); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 608 | } |
| 609 | |
Michel Dänzer | 26c7139 | 2012-08-24 12:03:11 +0200 | [diff] [blame] | 610 | /* Initialize arguments for the shader export intrinsic */ |
| 611 | static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base, |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 612 | LLVMValueRef *values, |
Michel Dänzer | 26c7139 | 2012-08-24 12:03:11 +0200 | [diff] [blame] | 613 | unsigned target, |
| 614 | LLVMValueRef *args) |
| 615 | { |
| 616 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 617 | struct lp_build_context *uint = |
| 618 | &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; |
| 619 | struct lp_build_context *base = &bld_base->base; |
| 620 | unsigned compressed = 0; |
| 621 | unsigned chan; |
| 622 | |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 623 | if (si_shader_ctx->type == TGSI_PROCESSOR_FRAGMENT) { |
| 624 | int cbuf = target - V_008DFC_SQ_EXP_MRT; |
| 625 | |
| 626 | if (cbuf >= 0 && cbuf < 8) { |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 627 | compressed = (si_shader_ctx->shader->key.ps.export_16bpc >> cbuf) & 0x1; |
Michel Dänzer | 1ace200 | 2012-12-21 15:39:26 +0100 | [diff] [blame] | 628 | |
| 629 | if (compressed) |
| 630 | si_shader_ctx->shader->spi_shader_col_format |= |
| 631 | V_028714_SPI_SHADER_FP16_ABGR << (4 * cbuf); |
| 632 | else |
| 633 | si_shader_ctx->shader->spi_shader_col_format |= |
| 634 | V_028714_SPI_SHADER_32_ABGR << (4 * cbuf); |
Michel Dänzer | e369f40 | 2013-04-30 16:34:10 +0200 | [diff] [blame] | 635 | |
| 636 | si_shader_ctx->shader->cb_shader_mask |= 0xf << (4 * cbuf); |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 637 | } |
| 638 | } |
| 639 | |
| 640 | if (compressed) { |
| 641 | /* Pixel shader needs to pack output values before export */ |
| 642 | for (chan = 0; chan < 2; chan++ ) { |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 643 | args[0] = values[2 * chan]; |
| 644 | args[1] = values[2 * chan + 1]; |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 645 | args[chan + 5] = |
| 646 | build_intrinsic(base->gallivm->builder, |
| 647 | "llvm.SI.packf16", |
| 648 | LLVMInt32TypeInContext(base->gallivm->context), |
| 649 | args, 2, |
Christian König | e4188ee | 2013-02-27 22:39:26 +0100 | [diff] [blame] | 650 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Michel Dänzer | 8b6aec6 | 2012-11-27 19:53:58 +0100 | [diff] [blame] | 651 | args[chan + 7] = args[chan + 5] = |
| 652 | LLVMBuildBitCast(base->gallivm->builder, |
| 653 | args[chan + 5], |
| 654 | LLVMFloatTypeInContext(base->gallivm->context), |
| 655 | ""); |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 656 | } |
| 657 | |
| 658 | /* Set COMPR flag */ |
| 659 | args[4] = uint->one; |
| 660 | } else { |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 661 | for (chan = 0; chan < 4; chan++ ) |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 662 | /* +5 because the first output value will be |
| 663 | * the 6th argument to the intrinsic. */ |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 664 | args[chan + 5] = values[chan]; |
Michel Dänzer | f402acd | 2012-08-22 18:15:36 +0200 | [diff] [blame] | 665 | |
| 666 | /* Clear COMPR flag */ |
| 667 | args[4] = uint->zero; |
Michel Dänzer | 26c7139 | 2012-08-24 12:03:11 +0200 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | /* XXX: This controls which components of the output |
| 671 | * registers actually get exported. (e.g bit 0 means export |
| 672 | * X component, bit 1 means export Y component, etc.) I'm |
| 673 | * hard coding this to 0xf for now. In the future, we might |
| 674 | * want to do something else. */ |
| 675 | args[0] = lp_build_const_int32(base->gallivm, 0xf); |
| 676 | |
| 677 | /* Specify whether the EXEC mask represents the valid mask */ |
| 678 | args[1] = uint->zero; |
| 679 | |
| 680 | /* Specify whether this is the last export */ |
| 681 | args[2] = uint->zero; |
| 682 | |
| 683 | /* Specify the target we are exporting */ |
| 684 | args[3] = lp_build_const_int32(base->gallivm, target); |
| 685 | |
Michel Dänzer | 26c7139 | 2012-08-24 12:03:11 +0200 | [diff] [blame] | 686 | /* XXX: We probably need to keep track of the output |
| 687 | * values, so we know what we are passing to the next |
| 688 | * stage. */ |
| 689 | } |
| 690 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 691 | /* Load from output pointers and initialize arguments for the shader export intrinsic */ |
| 692 | static void si_llvm_init_export_args_load(struct lp_build_tgsi_context *bld_base, |
| 693 | LLVMValueRef *out_ptr, |
| 694 | unsigned target, |
| 695 | LLVMValueRef *args) |
| 696 | { |
| 697 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 698 | LLVMValueRef values[4]; |
| 699 | int i; |
| 700 | |
| 701 | for (i = 0; i < 4; i++) |
| 702 | values[i] = LLVMBuildLoad(gallivm->builder, out_ptr[i], ""); |
| 703 | |
| 704 | si_llvm_init_export_args(bld_base, values, target, args); |
| 705 | } |
| 706 | |
Michel Dänzer | 7708a86 | 2012-11-02 15:57:30 +0100 | [diff] [blame] | 707 | static void si_alpha_test(struct lp_build_tgsi_context *bld_base, |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 708 | LLVMValueRef *out_ptr) |
Michel Dänzer | 7708a86 | 2012-11-02 15:57:30 +0100 | [diff] [blame] | 709 | { |
| 710 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 711 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 712 | |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 713 | if (si_shader_ctx->shader->key.ps.alpha_func != PIPE_FUNC_NEVER) { |
Vadim Girlin | 453ea2d | 2013-10-13 19:53:54 +0400 | [diff] [blame] | 714 | LLVMValueRef alpha_ref = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 715 | SI_PARAM_ALPHA_REF); |
| 716 | |
Michel Dänzer | 7708a86 | 2012-11-02 15:57:30 +0100 | [diff] [blame] | 717 | LLVMValueRef alpha_pass = |
| 718 | lp_build_cmp(&bld_base->base, |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 719 | si_shader_ctx->shader->key.ps.alpha_func, |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 720 | LLVMBuildLoad(gallivm->builder, out_ptr[3], ""), |
Vadim Girlin | 453ea2d | 2013-10-13 19:53:54 +0400 | [diff] [blame] | 721 | alpha_ref); |
Michel Dänzer | 7708a86 | 2012-11-02 15:57:30 +0100 | [diff] [blame] | 722 | LLVMValueRef arg = |
| 723 | lp_build_select(&bld_base->base, |
| 724 | alpha_pass, |
| 725 | lp_build_const_float(gallivm, 1.0f), |
| 726 | lp_build_const_float(gallivm, -1.0f)); |
| 727 | |
| 728 | build_intrinsic(gallivm->builder, |
| 729 | "llvm.AMDGPU.kill", |
| 730 | LLVMVoidTypeInContext(gallivm->context), |
| 731 | &arg, 1, 0); |
| 732 | } else { |
| 733 | build_intrinsic(gallivm->builder, |
| 734 | "llvm.AMDGPU.kilp", |
| 735 | LLVMVoidTypeInContext(gallivm->context), |
| 736 | NULL, 0, 0); |
| 737 | } |
| 738 | } |
| 739 | |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 740 | static void si_llvm_emit_clipvertex(struct lp_build_tgsi_context * bld_base, |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 741 | LLVMValueRef (*pos)[9], LLVMValueRef *out_elts) |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 742 | { |
| 743 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
Michel Dänzer | 2f98dc2 | 2013-08-08 16:58:00 +0200 | [diff] [blame] | 744 | struct si_pipe_shader *shader = si_shader_ctx->shader; |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 745 | struct lp_build_context *base = &bld_base->base; |
| 746 | struct lp_build_context *uint = &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 747 | unsigned reg_index; |
| 748 | unsigned chan; |
| 749 | unsigned const_chan; |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 750 | LLVMValueRef base_elt; |
| 751 | LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST); |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 752 | LLVMValueRef constbuf_index = lp_build_const_int32(base->gallivm, NUM_PIPE_CONST_BUFFERS); |
| 753 | LLVMValueRef const_resource = build_indexed_load(si_shader_ctx, ptr, constbuf_index); |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 754 | |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 755 | for (reg_index = 0; reg_index < 2; reg_index ++) { |
Michel Dänzer | b00269a | 2013-08-07 18:14:16 +0200 | [diff] [blame] | 756 | LLVMValueRef *args = pos[2 + reg_index]; |
| 757 | |
Michel Dänzer | 2f98dc2 | 2013-08-08 16:58:00 +0200 | [diff] [blame] | 758 | if (!(shader->key.vs.ucps_enabled & (1 << reg_index))) |
| 759 | continue; |
| 760 | |
| 761 | shader->shader.clip_dist_write |= 0xf << (4 * reg_index); |
| 762 | |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 763 | args[5] = |
| 764 | args[6] = |
| 765 | args[7] = |
| 766 | args[8] = lp_build_const_float(base->gallivm, 0.0f); |
| 767 | |
| 768 | /* Compute dot products of position and user clip plane vectors */ |
| 769 | for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { |
| 770 | for (const_chan = 0; const_chan < TGSI_NUM_CHANNELS; const_chan++) { |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 771 | args[1] = lp_build_const_int32(base->gallivm, |
| 772 | ((reg_index * 4 + chan) * 4 + |
| 773 | const_chan) * 4); |
Marek Olšák | 250aa93 | 2014-05-06 14:10:47 +0200 | [diff] [blame^] | 774 | base_elt = load_const(base->gallivm->builder, const_resource, |
| 775 | args[1], base->elem_type); |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 776 | args[5 + chan] = |
| 777 | lp_build_add(base, args[5 + chan], |
| 778 | lp_build_mul(base, base_elt, |
| 779 | out_elts[const_chan])); |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | args[0] = lp_build_const_int32(base->gallivm, 0xf); |
| 784 | args[1] = uint->zero; |
| 785 | args[2] = uint->zero; |
| 786 | args[3] = lp_build_const_int32(base->gallivm, |
| 787 | V_008DFC_SQ_EXP_POS + 2 + reg_index); |
| 788 | args[4] = uint->zero; |
Michel Dänzer | e3befbc | 2013-05-15 18:09:50 +0200 | [diff] [blame] | 789 | } |
| 790 | } |
| 791 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 792 | static void si_dump_streamout(struct pipe_stream_output_info *so) |
| 793 | { |
| 794 | unsigned i; |
| 795 | |
| 796 | if (so->num_outputs) |
| 797 | fprintf(stderr, "STREAMOUT\n"); |
| 798 | |
| 799 | for (i = 0; i < so->num_outputs; i++) { |
| 800 | unsigned mask = ((1 << so->output[i].num_components) - 1) << |
| 801 | so->output[i].start_component; |
| 802 | fprintf(stderr, " %i: BUF%i[%i..%i] <- OUT[%i].%s%s%s%s\n", |
| 803 | i, so->output[i].output_buffer, |
| 804 | so->output[i].dst_offset, so->output[i].dst_offset + so->output[i].num_components - 1, |
| 805 | so->output[i].register_index, |
| 806 | mask & 1 ? "x" : "", |
| 807 | mask & 2 ? "y" : "", |
| 808 | mask & 4 ? "z" : "", |
| 809 | mask & 8 ? "w" : ""); |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | /* TBUFFER_STORE_FORMAT_{X,XY,XYZ,XYZW} <- the suffix is selected by num_channels=1..4. |
| 814 | * The type of vdata must be one of i32 (num_channels=1), v2i32 (num_channels=2), |
| 815 | * or v4i32 (num_channels=3,4). */ |
| 816 | static void build_tbuffer_store(struct si_shader_context *shader, |
| 817 | LLVMValueRef rsrc, |
| 818 | LLVMValueRef vdata, |
| 819 | unsigned num_channels, |
| 820 | LLVMValueRef vaddr, |
| 821 | LLVMValueRef soffset, |
| 822 | unsigned inst_offset, |
| 823 | unsigned dfmt, |
| 824 | unsigned nfmt, |
| 825 | unsigned offen, |
| 826 | unsigned idxen, |
| 827 | unsigned glc, |
| 828 | unsigned slc, |
| 829 | unsigned tfe) |
| 830 | { |
| 831 | struct gallivm_state *gallivm = &shader->radeon_bld.gallivm; |
| 832 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
| 833 | LLVMValueRef args[] = { |
| 834 | rsrc, |
| 835 | vdata, |
| 836 | LLVMConstInt(i32, num_channels, 0), |
| 837 | vaddr, |
| 838 | soffset, |
| 839 | LLVMConstInt(i32, inst_offset, 0), |
| 840 | LLVMConstInt(i32, dfmt, 0), |
| 841 | LLVMConstInt(i32, nfmt, 0), |
| 842 | LLVMConstInt(i32, offen, 0), |
| 843 | LLVMConstInt(i32, idxen, 0), |
| 844 | LLVMConstInt(i32, glc, 0), |
| 845 | LLVMConstInt(i32, slc, 0), |
| 846 | LLVMConstInt(i32, tfe, 0) |
| 847 | }; |
| 848 | |
Michel Dänzer | db9d6af | 2014-01-24 16:46:27 +0900 | [diff] [blame] | 849 | /* The instruction offset field has 12 bits */ |
| 850 | assert(offen || inst_offset < (1 << 12)); |
| 851 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 852 | /* The intrinsic is overloaded, we need to add a type suffix for overloading to work. */ |
| 853 | unsigned func = CLAMP(num_channels, 1, 3) - 1; |
| 854 | const char *types[] = {"i32", "v2i32", "v4i32"}; |
| 855 | char name[256]; |
| 856 | snprintf(name, sizeof(name), "llvm.SI.tbuffer.store.%s", types[func]); |
| 857 | |
| 858 | lp_build_intrinsic(gallivm->builder, name, |
| 859 | LLVMVoidTypeInContext(gallivm->context), |
| 860 | args, Elements(args)); |
| 861 | } |
| 862 | |
| 863 | static void build_streamout_store(struct si_shader_context *shader, |
| 864 | LLVMValueRef rsrc, |
| 865 | LLVMValueRef vdata, |
| 866 | unsigned num_channels, |
| 867 | LLVMValueRef vaddr, |
| 868 | LLVMValueRef soffset, |
| 869 | unsigned inst_offset) |
| 870 | { |
| 871 | static unsigned dfmt[] = { |
| 872 | V_008F0C_BUF_DATA_FORMAT_32, |
| 873 | V_008F0C_BUF_DATA_FORMAT_32_32, |
| 874 | V_008F0C_BUF_DATA_FORMAT_32_32_32, |
| 875 | V_008F0C_BUF_DATA_FORMAT_32_32_32_32 |
| 876 | }; |
| 877 | assert(num_channels >= 1 && num_channels <= 4); |
| 878 | |
| 879 | build_tbuffer_store(shader, rsrc, vdata, num_channels, vaddr, soffset, |
| 880 | inst_offset, dfmt[num_channels-1], |
| 881 | V_008F0C_BUF_NUM_FORMAT_UINT, 1, 0, 1, 1, 0); |
| 882 | } |
| 883 | |
| 884 | /* On SI, the vertex shader is responsible for writing streamout data |
| 885 | * to buffers. */ |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 886 | static void si_llvm_emit_streamout(struct si_shader_context *shader, |
| 887 | struct si_shader_output_values *outputs, |
| 888 | unsigned noutput) |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 889 | { |
| 890 | struct pipe_stream_output_info *so = &shader->shader->selector->so; |
| 891 | struct gallivm_state *gallivm = &shader->radeon_bld.gallivm; |
| 892 | LLVMBuilderRef builder = gallivm->builder; |
| 893 | int i, j; |
| 894 | struct lp_build_if_state if_ctx; |
| 895 | |
| 896 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
| 897 | |
| 898 | LLVMValueRef so_param = |
| 899 | LLVMGetParam(shader->radeon_bld.main_fn, |
| 900 | shader->param_streamout_config); |
| 901 | |
| 902 | /* Get bits [22:16], i.e. (so_param >> 16) & 127; */ |
| 903 | LLVMValueRef so_vtx_count = |
| 904 | LLVMBuildAnd(builder, |
| 905 | LLVMBuildLShr(builder, so_param, |
| 906 | LLVMConstInt(i32, 16, 0), ""), |
| 907 | LLVMConstInt(i32, 127, 0), ""); |
| 908 | |
| 909 | LLVMValueRef tid = build_intrinsic(builder, "llvm.SI.tid", i32, |
| 910 | NULL, 0, LLVMReadNoneAttribute); |
| 911 | |
| 912 | /* can_emit = tid < so_vtx_count; */ |
| 913 | LLVMValueRef can_emit = |
| 914 | LLVMBuildICmp(builder, LLVMIntULT, tid, so_vtx_count, ""); |
| 915 | |
| 916 | /* Emit the streamout code conditionally. This actually avoids |
| 917 | * out-of-bounds buffer access. The hw tells us via the SGPR |
| 918 | * (so_vtx_count) which threads are allowed to emit streamout data. */ |
| 919 | lp_build_if(&if_ctx, gallivm, can_emit); |
| 920 | { |
| 921 | /* The buffer offset is computed as follows: |
| 922 | * ByteOffset = streamout_offset[buffer_id]*4 + |
| 923 | * (streamout_write_index + thread_id)*stride[buffer_id] + |
| 924 | * attrib_offset |
| 925 | */ |
| 926 | |
| 927 | LLVMValueRef so_write_index = |
| 928 | LLVMGetParam(shader->radeon_bld.main_fn, |
| 929 | shader->param_streamout_write_index); |
| 930 | |
| 931 | /* Compute (streamout_write_index + thread_id). */ |
| 932 | so_write_index = LLVMBuildAdd(builder, so_write_index, tid, ""); |
| 933 | |
| 934 | /* Compute the write offset for each enabled buffer. */ |
| 935 | LLVMValueRef so_write_offset[4] = {}; |
| 936 | for (i = 0; i < 4; i++) { |
| 937 | if (!so->stride[i]) |
| 938 | continue; |
| 939 | |
| 940 | LLVMValueRef so_offset = LLVMGetParam(shader->radeon_bld.main_fn, |
| 941 | shader->param_streamout_offset[i]); |
| 942 | so_offset = LLVMBuildMul(builder, so_offset, LLVMConstInt(i32, 4, 0), ""); |
| 943 | |
| 944 | so_write_offset[i] = LLVMBuildMul(builder, so_write_index, |
| 945 | LLVMConstInt(i32, so->stride[i]*4, 0), ""); |
| 946 | so_write_offset[i] = LLVMBuildAdd(builder, so_write_offset[i], so_offset, ""); |
| 947 | } |
| 948 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 949 | /* Write streamout data. */ |
| 950 | for (i = 0; i < so->num_outputs; i++) { |
| 951 | unsigned buf_idx = so->output[i].output_buffer; |
| 952 | unsigned reg = so->output[i].register_index; |
| 953 | unsigned start = so->output[i].start_component; |
| 954 | unsigned num_comps = so->output[i].num_components; |
| 955 | LLVMValueRef out[4]; |
| 956 | |
| 957 | assert(num_comps && num_comps <= 4); |
| 958 | if (!num_comps || num_comps > 4) |
| 959 | continue; |
| 960 | |
| 961 | /* Load the output as int. */ |
| 962 | for (j = 0; j < num_comps; j++) { |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 963 | unsigned outidx = 0; |
| 964 | |
| 965 | while (outidx < noutput && outputs[outidx].index != reg) |
| 966 | outidx++; |
| 967 | |
| 968 | if (outidx < noutput) |
| 969 | out[j] = LLVMBuildBitCast(builder, |
| 970 | outputs[outidx].values[start+j], |
| 971 | i32, ""); |
| 972 | else |
| 973 | out[j] = NULL; |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 974 | } |
| 975 | |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 976 | if (!out[0]) |
| 977 | continue; |
| 978 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 979 | /* Pack the output. */ |
| 980 | LLVMValueRef vdata = NULL; |
| 981 | |
| 982 | switch (num_comps) { |
| 983 | case 1: /* as i32 */ |
| 984 | vdata = out[0]; |
| 985 | break; |
| 986 | case 2: /* as v2i32 */ |
| 987 | case 3: /* as v4i32 (aligned to 4) */ |
| 988 | case 4: /* as v4i32 */ |
| 989 | vdata = LLVMGetUndef(LLVMVectorType(i32, util_next_power_of_two(num_comps))); |
| 990 | for (j = 0; j < num_comps; j++) { |
| 991 | vdata = LLVMBuildInsertElement(builder, vdata, out[j], |
| 992 | LLVMConstInt(i32, j, 0), ""); |
| 993 | } |
| 994 | break; |
| 995 | } |
| 996 | |
| 997 | build_streamout_store(shader, shader->so_buffers[buf_idx], |
| 998 | vdata, num_comps, |
| 999 | so_write_offset[buf_idx], |
| 1000 | LLVMConstInt(i32, 0, 0), |
| 1001 | so->output[i].dst_offset*4); |
| 1002 | } |
| 1003 | } |
| 1004 | lp_build_endif(&if_ctx); |
| 1005 | } |
| 1006 | |
Michel Dänzer | 7435d9f | 2013-12-04 13:37:07 +0900 | [diff] [blame] | 1007 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1008 | /* Generate export instructions for hardware VS shader stage */ |
| 1009 | static void si_llvm_export_vs(struct lp_build_tgsi_context *bld_base, |
| 1010 | struct si_shader_output_values *outputs, |
| 1011 | unsigned noutput) |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1012 | { |
| 1013 | struct si_shader_context * si_shader_ctx = si_shader_context(bld_base); |
Christian König | 3c09f11 | 2012-07-18 17:39:15 +0200 | [diff] [blame] | 1014 | struct si_shader * shader = &si_shader_ctx->shader->shader; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1015 | struct lp_build_context * base = &bld_base->base; |
| 1016 | struct lp_build_context * uint = |
| 1017 | &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; |
Michel Dänzer | 1a616c1 | 2012-11-13 17:35:09 +0100 | [diff] [blame] | 1018 | LLVMValueRef args[9]; |
Michel Dänzer | b00269a | 2013-08-07 18:14:16 +0200 | [diff] [blame] | 1019 | LLVMValueRef pos_args[4][9] = { { 0 } }; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1020 | LLVMValueRef psize_value = NULL, edgeflag_value = NULL, layer_value = NULL; |
| 1021 | unsigned semantic_name, semantic_index, semantic_usage; |
| 1022 | unsigned target; |
Christian König | 3508815 | 2012-08-01 22:35:24 +0200 | [diff] [blame] | 1023 | unsigned param_count = 0; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1024 | unsigned pos_idx; |
Michel Dänzer | b00269a | 2013-08-07 18:14:16 +0200 | [diff] [blame] | 1025 | int i; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1026 | |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 1027 | if (outputs && si_shader_ctx->shader->selector->so.num_outputs) { |
| 1028 | si_llvm_emit_streamout(si_shader_ctx, outputs, noutput); |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 1029 | } |
| 1030 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1031 | for (i = 0; i < noutput; i++) { |
| 1032 | semantic_name = outputs[i].name; |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 1033 | semantic_index = outputs[i].sid; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1034 | semantic_usage = outputs[i].usage; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1035 | |
Michel Dänzer | 0afeea5 | 2013-05-02 14:53:17 +0200 | [diff] [blame] | 1036 | handle_semantic: |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1037 | /* Select the correct target */ |
| 1038 | switch(semantic_name) { |
| 1039 | case TGSI_SEMANTIC_PSIZE: |
| 1040 | shader->vs_out_misc_write = true; |
| 1041 | shader->vs_out_point_size = true; |
| 1042 | psize_value = outputs[i].values[0]; |
| 1043 | continue; |
| 1044 | case TGSI_SEMANTIC_EDGEFLAG: |
| 1045 | shader->vs_out_misc_write = true; |
| 1046 | shader->vs_out_edgeflag = true; |
| 1047 | edgeflag_value = outputs[i].values[0]; |
| 1048 | continue; |
| 1049 | case TGSI_SEMANTIC_LAYER: |
| 1050 | shader->vs_out_misc_write = true; |
| 1051 | shader->vs_out_layer = true; |
| 1052 | layer_value = outputs[i].values[0]; |
| 1053 | continue; |
| 1054 | case TGSI_SEMANTIC_POSITION: |
| 1055 | target = V_008DFC_SQ_EXP_POS; |
| 1056 | break; |
| 1057 | case TGSI_SEMANTIC_COLOR: |
| 1058 | case TGSI_SEMANTIC_BCOLOR: |
| 1059 | target = V_008DFC_SQ_EXP_PARAM + param_count; |
| 1060 | shader->output[i].param_offset = param_count; |
| 1061 | param_count++; |
| 1062 | break; |
| 1063 | case TGSI_SEMANTIC_CLIPDIST: |
| 1064 | if (!(si_shader_ctx->shader->key.vs.ucps_enabled & |
| 1065 | (1 << semantic_index))) |
Marek Olšák | 053606d | 2013-11-19 22:07:30 +0100 | [diff] [blame] | 1066 | continue; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1067 | shader->clip_dist_write |= |
| 1068 | semantic_usage << (semantic_index << 2); |
| 1069 | target = V_008DFC_SQ_EXP_POS + 2 + semantic_index; |
| 1070 | break; |
| 1071 | case TGSI_SEMANTIC_CLIPVERTEX: |
| 1072 | si_llvm_emit_clipvertex(bld_base, pos_args, outputs[i].values); |
| 1073 | continue; |
Michel Dänzer | d8b3d80 | 2014-01-09 12:55:26 +0900 | [diff] [blame] | 1074 | case TGSI_SEMANTIC_PRIMID: |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1075 | case TGSI_SEMANTIC_FOG: |
| 1076 | case TGSI_SEMANTIC_GENERIC: |
| 1077 | target = V_008DFC_SQ_EXP_PARAM + param_count; |
| 1078 | shader->output[i].param_offset = param_count; |
| 1079 | param_count++; |
| 1080 | break; |
| 1081 | default: |
| 1082 | target = 0; |
| 1083 | fprintf(stderr, |
| 1084 | "Warning: SI unhandled vs output type:%d\n", |
| 1085 | semantic_name); |
| 1086 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1087 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1088 | si_llvm_init_export_args(bld_base, outputs[i].values, target, args); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1089 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1090 | if (target >= V_008DFC_SQ_EXP_POS && |
| 1091 | target <= (V_008DFC_SQ_EXP_POS + 3)) { |
| 1092 | memcpy(pos_args[target - V_008DFC_SQ_EXP_POS], |
| 1093 | args, sizeof(args)); |
| 1094 | } else { |
| 1095 | lp_build_intrinsic(base->gallivm->builder, |
| 1096 | "llvm.SI.export", |
| 1097 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1098 | args, 9); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1099 | } |
| 1100 | |
| 1101 | if (semantic_name == TGSI_SEMANTIC_CLIPDIST) { |
| 1102 | semantic_name = TGSI_SEMANTIC_GENERIC; |
| 1103 | goto handle_semantic; |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | /* We need to add the position output manually if it's missing. */ |
| 1108 | if (!pos_args[0][0]) { |
| 1109 | pos_args[0][0] = lp_build_const_int32(base->gallivm, 0xf); /* writemask */ |
| 1110 | pos_args[0][1] = uint->zero; /* EXEC mask */ |
| 1111 | pos_args[0][2] = uint->zero; /* last export? */ |
| 1112 | pos_args[0][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS); |
| 1113 | pos_args[0][4] = uint->zero; /* COMPR flag */ |
| 1114 | pos_args[0][5] = base->zero; /* X */ |
| 1115 | pos_args[0][6] = base->zero; /* Y */ |
| 1116 | pos_args[0][7] = base->zero; /* Z */ |
| 1117 | pos_args[0][8] = base->one; /* W */ |
| 1118 | } |
| 1119 | |
| 1120 | /* Write the misc vector (point size, edgeflag, layer, viewport). */ |
| 1121 | if (shader->vs_out_misc_write) { |
| 1122 | pos_args[1][0] = lp_build_const_int32(base->gallivm, /* writemask */ |
| 1123 | shader->vs_out_point_size | |
| 1124 | (shader->vs_out_edgeflag << 1) | |
| 1125 | (shader->vs_out_layer << 2)); |
| 1126 | pos_args[1][1] = uint->zero; /* EXEC mask */ |
| 1127 | pos_args[1][2] = uint->zero; /* last export? */ |
| 1128 | pos_args[1][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + 1); |
| 1129 | pos_args[1][4] = uint->zero; /* COMPR flag */ |
| 1130 | pos_args[1][5] = base->zero; /* X */ |
| 1131 | pos_args[1][6] = base->zero; /* Y */ |
| 1132 | pos_args[1][7] = base->zero; /* Z */ |
| 1133 | pos_args[1][8] = base->zero; /* W */ |
| 1134 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1135 | if (shader->vs_out_point_size) |
| 1136 | pos_args[1][5] = psize_value; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1137 | |
| 1138 | if (shader->vs_out_edgeflag) { |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1139 | /* The output is a float, but the hw expects an integer |
| 1140 | * with the first bit containing the edge flag. */ |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1141 | edgeflag_value = LLVMBuildFPToUI(base->gallivm->builder, |
| 1142 | edgeflag_value, |
| 1143 | bld_base->uint_bld.elem_type, ""); |
| 1144 | edgeflag_value = lp_build_min(&bld_base->int_bld, |
| 1145 | edgeflag_value, |
| 1146 | bld_base->int_bld.one); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1147 | |
| 1148 | /* The LLVM intrinsic expects a float. */ |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1149 | pos_args[1][6] = LLVMBuildBitCast(base->gallivm->builder, |
| 1150 | edgeflag_value, |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1151 | base->elem_type, ""); |
| 1152 | } |
| 1153 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1154 | if (shader->vs_out_layer) |
| 1155 | pos_args[1][7] = layer_value; |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | for (i = 0; i < 4; i++) |
| 1159 | if (pos_args[i][0]) |
| 1160 | shader->nr_pos_exports++; |
| 1161 | |
| 1162 | pos_idx = 0; |
| 1163 | for (i = 0; i < 4; i++) { |
| 1164 | if (!pos_args[i][0]) |
| 1165 | continue; |
| 1166 | |
| 1167 | /* Specify the target we are exporting */ |
| 1168 | pos_args[i][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + pos_idx++); |
| 1169 | |
| 1170 | if (pos_idx == shader->nr_pos_exports) |
| 1171 | /* Specify that this is the last export */ |
| 1172 | pos_args[i][2] = uint->one; |
| 1173 | |
| 1174 | lp_build_intrinsic(base->gallivm->builder, |
| 1175 | "llvm.SI.export", |
| 1176 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1177 | pos_args[i], 9); |
| 1178 | } |
| 1179 | } |
| 1180 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1181 | static void si_llvm_emit_es_epilogue(struct lp_build_tgsi_context * bld_base) |
| 1182 | { |
| 1183 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 1184 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
Michel Dänzer | e884c56 | 2014-01-15 15:24:14 +0900 | [diff] [blame] | 1185 | struct si_shader *es = &si_shader_ctx->shader->shader; |
| 1186 | struct si_shader *gs = si_shader_ctx->gs_for_vs; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1187 | struct tgsi_parse_context *parse = &si_shader_ctx->parse; |
| 1188 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
Michel Dänzer | db9d6af | 2014-01-24 16:46:27 +0900 | [diff] [blame] | 1189 | LLVMValueRef soffset = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 1190 | SI_PARAM_ES2GS_OFFSET); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1191 | LLVMValueRef t_list_ptr; |
| 1192 | LLVMValueRef t_list; |
| 1193 | unsigned chan; |
| 1194 | int i; |
| 1195 | |
| 1196 | while (!tgsi_parse_end_of_tokens(parse)) { |
| 1197 | struct tgsi_full_declaration *d = |
| 1198 | &parse->FullToken.FullDeclaration; |
| 1199 | |
| 1200 | tgsi_parse_token(parse); |
| 1201 | |
| 1202 | if (parse->FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) |
| 1203 | continue; |
| 1204 | |
Michel Dänzer | e884c56 | 2014-01-15 15:24:14 +0900 | [diff] [blame] | 1205 | si_store_shader_io_attribs(es, d); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1206 | } |
| 1207 | |
| 1208 | /* Load the ESGS ring resource descriptor */ |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 1209 | t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 1210 | SI_PARAM_RW_BUFFERS); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1211 | t_list = build_indexed_load(si_shader_ctx, t_list_ptr, |
Michel Dänzer | b4e1493 | 2014-01-22 17:32:09 +0900 | [diff] [blame] | 1212 | lp_build_const_int32(gallivm, SI_RING_ESGS)); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1213 | |
Michel Dänzer | e884c56 | 2014-01-15 15:24:14 +0900 | [diff] [blame] | 1214 | for (i = 0; i < es->noutput; i++) { |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1215 | LLVMValueRef *out_ptr = |
Michel Dänzer | e884c56 | 2014-01-15 15:24:14 +0900 | [diff] [blame] | 1216 | si_shader_ctx->radeon_bld.soa.outputs[es->output[i].index]; |
| 1217 | int j; |
| 1218 | |
| 1219 | for (j = 0; j < gs->ninput; j++) { |
| 1220 | if (gs->input[j].name == es->output[i].name && |
| 1221 | gs->input[j].sid == es->output[i].sid) |
| 1222 | break; |
| 1223 | } |
| 1224 | if (j == gs->ninput) |
| 1225 | continue; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1226 | |
| 1227 | for (chan = 0; chan < 4; chan++) { |
| 1228 | LLVMValueRef out_val = LLVMBuildLoad(gallivm->builder, out_ptr[chan], ""); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1229 | out_val = LLVMBuildBitCast(gallivm->builder, out_val, i32, ""); |
| 1230 | |
| 1231 | build_tbuffer_store(si_shader_ctx, t_list, out_val, 1, |
Michel Dänzer | db9d6af | 2014-01-24 16:46:27 +0900 | [diff] [blame] | 1232 | LLVMGetUndef(i32), soffset, |
| 1233 | (4 * gs->input[j].param_offset + chan) * 4, |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1234 | V_008F0C_BUF_DATA_FORMAT_32, |
| 1235 | V_008F0C_BUF_NUM_FORMAT_UINT, |
Michel Dänzer | db9d6af | 2014-01-24 16:46:27 +0900 | [diff] [blame] | 1236 | 0, 0, 1, 1, 0); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | static void si_llvm_emit_gs_epilogue(struct lp_build_tgsi_context *bld_base) |
| 1242 | { |
| 1243 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 1244 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 1245 | LLVMValueRef args[2]; |
| 1246 | |
| 1247 | args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_NOP | SENDMSG_GS_DONE); |
| 1248 | args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID); |
| 1249 | build_intrinsic(gallivm->builder, "llvm.SI.sendmsg", |
| 1250 | LLVMVoidTypeInContext(gallivm->context), args, 2, |
| 1251 | LLVMNoUnwindAttribute); |
| 1252 | } |
| 1253 | |
| 1254 | static void si_llvm_emit_vs_epilogue(struct lp_build_tgsi_context * bld_base) |
| 1255 | { |
| 1256 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 1257 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 1258 | struct si_pipe_shader *shader = si_shader_ctx->shader; |
| 1259 | struct tgsi_parse_context *parse = &si_shader_ctx->parse; |
| 1260 | struct si_shader_output_values *outputs = NULL; |
| 1261 | unsigned noutput = 0; |
| 1262 | int i; |
| 1263 | |
| 1264 | while (!tgsi_parse_end_of_tokens(parse)) { |
| 1265 | struct tgsi_full_declaration *d = |
| 1266 | &parse->FullToken.FullDeclaration; |
| 1267 | unsigned index; |
| 1268 | |
| 1269 | tgsi_parse_token(parse); |
| 1270 | |
| 1271 | if (parse->FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) |
| 1272 | continue; |
| 1273 | |
| 1274 | i = si_store_shader_io_attribs(&shader->shader, d); |
| 1275 | if (i < 0) |
| 1276 | continue; |
| 1277 | |
| 1278 | outputs = REALLOC(outputs, noutput * sizeof(outputs[0]), |
| 1279 | (noutput + 1) * sizeof(outputs[0])); |
| 1280 | for (index = d->Range.First; index <= d->Range.Last; index++) { |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 1281 | outputs[noutput].index = index; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1282 | outputs[noutput].name = d->Semantic.Name; |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 1283 | outputs[noutput].sid = d->Semantic.Index; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1284 | outputs[noutput].usage = d->Declaration.UsageMask; |
| 1285 | |
| 1286 | for (i = 0; i < 4; i++) |
| 1287 | outputs[noutput].values[i] = |
| 1288 | LLVMBuildLoad(gallivm->builder, |
| 1289 | si_shader_ctx->radeon_bld.soa.outputs[index][i], |
| 1290 | ""); |
| 1291 | } |
| 1292 | noutput++; |
| 1293 | } |
| 1294 | |
| 1295 | si_llvm_export_vs(bld_base, outputs, noutput); |
| 1296 | FREE(outputs); |
| 1297 | } |
| 1298 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1299 | static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base) |
| 1300 | { |
| 1301 | struct si_shader_context * si_shader_ctx = si_shader_context(bld_base); |
| 1302 | struct si_shader * shader = &si_shader_ctx->shader->shader; |
| 1303 | struct lp_build_context * base = &bld_base->base; |
| 1304 | struct lp_build_context * uint = |
| 1305 | &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld; |
| 1306 | struct tgsi_parse_context *parse = &si_shader_ctx->parse; |
| 1307 | LLVMValueRef args[9]; |
| 1308 | LLVMValueRef last_args[9] = { 0 }; |
| 1309 | unsigned semantic_name; |
| 1310 | int depth_index = -1, stencil_index = -1; |
| 1311 | int i; |
| 1312 | |
| 1313 | while (!tgsi_parse_end_of_tokens(parse)) { |
| 1314 | struct tgsi_full_declaration *d = |
| 1315 | &parse->FullToken.FullDeclaration; |
| 1316 | unsigned target; |
| 1317 | unsigned index; |
| 1318 | |
| 1319 | tgsi_parse_token(parse); |
| 1320 | |
| 1321 | if (parse->FullToken.Token.Type == TGSI_TOKEN_TYPE_PROPERTY && |
| 1322 | parse->FullToken.FullProperty.Property.PropertyName == |
| 1323 | TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS) |
| 1324 | shader->fs_write_all = TRUE; |
| 1325 | |
| 1326 | if (parse->FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION) |
| 1327 | continue; |
| 1328 | |
| 1329 | i = si_store_shader_io_attribs(shader, d); |
| 1330 | if (i < 0) |
| 1331 | continue; |
| 1332 | |
| 1333 | semantic_name = d->Semantic.Name; |
| 1334 | for (index = d->Range.First; index <= d->Range.Last; index++) { |
| 1335 | /* Select the correct target */ |
| 1336 | switch(semantic_name) { |
| 1337 | case TGSI_SEMANTIC_POSITION: |
| 1338 | depth_index = index; |
| 1339 | continue; |
| 1340 | case TGSI_SEMANTIC_STENCIL: |
| 1341 | stencil_index = index; |
| 1342 | continue; |
| 1343 | case TGSI_SEMANTIC_COLOR: |
| 1344 | target = V_008DFC_SQ_EXP_MRT + d->Semantic.Index; |
| 1345 | if (si_shader_ctx->shader->key.ps.alpha_to_one) |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1346 | LLVMBuildStore(bld_base->base.gallivm->builder, |
| 1347 | bld_base->base.one, |
| 1348 | si_shader_ctx->radeon_bld.soa.outputs[index][3]); |
| 1349 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1350 | if (d->Semantic.Index == 0 && |
| 1351 | si_shader_ctx->shader->key.ps.alpha_func != PIPE_FUNC_ALWAYS) |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1352 | si_alpha_test(bld_base, |
| 1353 | si_shader_ctx->radeon_bld.soa.outputs[index]); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1354 | break; |
| 1355 | default: |
| 1356 | target = 0; |
| 1357 | fprintf(stderr, |
| 1358 | "Warning: SI unhandled fs output type:%d\n", |
| 1359 | semantic_name); |
| 1360 | } |
| 1361 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1362 | si_llvm_init_export_args_load(bld_base, |
| 1363 | si_shader_ctx->radeon_bld.soa.outputs[index], |
| 1364 | target, args); |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1365 | |
| 1366 | if (semantic_name == TGSI_SEMANTIC_COLOR) { |
Marek Olšák | 0eb528a | 2013-12-04 13:24:22 +0100 | [diff] [blame] | 1367 | /* If there is an export instruction waiting to be emitted, do so now. */ |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1368 | if (last_args[0]) { |
| 1369 | lp_build_intrinsic(base->gallivm->builder, |
| 1370 | "llvm.SI.export", |
| 1371 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1372 | last_args, 9); |
| 1373 | } |
| 1374 | |
Marek Olšák | 0eb528a | 2013-12-04 13:24:22 +0100 | [diff] [blame] | 1375 | /* This instruction will be emitted at the end of the shader. */ |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1376 | memcpy(last_args, args, sizeof(args)); |
Marek Olšák | 0eb528a | 2013-12-04 13:24:22 +0100 | [diff] [blame] | 1377 | |
| 1378 | /* Handle FS_COLOR0_WRITES_ALL_CBUFS. */ |
| 1379 | if (shader->fs_write_all && shader->output[i].sid == 0 && |
| 1380 | si_shader_ctx->shader->key.ps.nr_cbufs > 1) { |
| 1381 | for (int c = 1; c < si_shader_ctx->shader->key.ps.nr_cbufs; c++) { |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1382 | si_llvm_init_export_args_load(bld_base, |
| 1383 | si_shader_ctx->radeon_bld.soa.outputs[index], |
| 1384 | V_008DFC_SQ_EXP_MRT + c, args); |
Marek Olšák | 0eb528a | 2013-12-04 13:24:22 +0100 | [diff] [blame] | 1385 | lp_build_intrinsic(base->gallivm->builder, |
| 1386 | "llvm.SI.export", |
| 1387 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1388 | args, 9); |
| 1389 | } |
| 1390 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1391 | } else { |
| 1392 | lp_build_intrinsic(base->gallivm->builder, |
| 1393 | "llvm.SI.export", |
| 1394 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1395 | args, 9); |
| 1396 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1397 | } |
| 1398 | } |
| 1399 | |
Michel Dänzer | 1a616c1 | 2012-11-13 17:35:09 +0100 | [diff] [blame] | 1400 | if (depth_index >= 0 || stencil_index >= 0) { |
| 1401 | LLVMValueRef out_ptr; |
| 1402 | unsigned mask = 0; |
| 1403 | |
| 1404 | /* Specify the target we are exporting */ |
| 1405 | args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRTZ); |
| 1406 | |
| 1407 | if (depth_index >= 0) { |
| 1408 | out_ptr = si_shader_ctx->radeon_bld.soa.outputs[depth_index][2]; |
| 1409 | args[5] = LLVMBuildLoad(base->gallivm->builder, out_ptr, ""); |
| 1410 | mask |= 0x1; |
| 1411 | |
| 1412 | if (stencil_index < 0) { |
| 1413 | args[6] = |
| 1414 | args[7] = |
| 1415 | args[8] = args[5]; |
| 1416 | } |
| 1417 | } |
| 1418 | |
| 1419 | if (stencil_index >= 0) { |
| 1420 | out_ptr = si_shader_ctx->radeon_bld.soa.outputs[stencil_index][1]; |
| 1421 | args[7] = |
| 1422 | args[8] = |
| 1423 | args[6] = LLVMBuildLoad(base->gallivm->builder, out_ptr, ""); |
Michel Dänzer | 46fd81e | 2013-08-23 14:55:45 +0200 | [diff] [blame] | 1424 | /* Only setting the stencil component bit (0x2) here |
| 1425 | * breaks some stencil piglit tests |
| 1426 | */ |
| 1427 | mask |= 0x3; |
Michel Dänzer | 1a616c1 | 2012-11-13 17:35:09 +0100 | [diff] [blame] | 1428 | |
| 1429 | if (depth_index < 0) |
| 1430 | args[5] = args[6]; |
| 1431 | } |
| 1432 | |
| 1433 | /* Specify which components to enable */ |
| 1434 | args[0] = lp_build_const_int32(base->gallivm, mask); |
| 1435 | |
| 1436 | args[1] = |
| 1437 | args[2] = |
| 1438 | args[4] = uint->zero; |
| 1439 | |
| 1440 | if (last_args[0]) |
| 1441 | lp_build_intrinsic(base->gallivm->builder, |
| 1442 | "llvm.SI.export", |
| 1443 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1444 | args, 9); |
| 1445 | else |
| 1446 | memcpy(last_args, args, sizeof(args)); |
| 1447 | } |
| 1448 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1449 | if (!last_args[0]) { |
| 1450 | /* Specify which components to enable */ |
| 1451 | last_args[0] = lp_build_const_int32(base->gallivm, 0x0); |
Christian König | f18fd25 | 2012-07-25 21:58:46 +0200 | [diff] [blame] | 1452 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1453 | /* Specify the target we are exporting */ |
| 1454 | last_args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRT); |
Marek Olšák | 48784f3 | 2013-10-23 16:10:38 +0200 | [diff] [blame] | 1455 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1456 | /* Set COMPR flag to zero to export data as 32-bit */ |
| 1457 | last_args[4] = uint->zero; |
Marek Olšák | 053606d | 2013-11-19 22:07:30 +0100 | [diff] [blame] | 1458 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1459 | /* dummy bits */ |
| 1460 | last_args[5]= uint->zero; |
| 1461 | last_args[6]= uint->zero; |
| 1462 | last_args[7]= uint->zero; |
| 1463 | last_args[8]= uint->zero; |
Marek Olšák | 053606d | 2013-11-19 22:07:30 +0100 | [diff] [blame] | 1464 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1465 | si_shader_ctx->shader->spi_shader_col_format |= |
| 1466 | V_028714_SPI_SHADER_32_ABGR; |
| 1467 | si_shader_ctx->shader->cb_shader_mask |= S_02823C_OUTPUT0_ENABLE(0xf); |
Michel Dänzer | c840270 | 2013-02-12 18:37:22 +0100 | [diff] [blame] | 1468 | } |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 1469 | |
| 1470 | /* Specify whether the EXEC mask represents the valid mask */ |
| 1471 | last_args[1] = uint->one; |
| 1472 | |
| 1473 | /* Specify that this is the last export */ |
| 1474 | last_args[2] = lp_build_const_int32(base->gallivm, 1); |
| 1475 | |
| 1476 | lp_build_intrinsic(base->gallivm->builder, |
| 1477 | "llvm.SI.export", |
| 1478 | LLVMVoidTypeInContext(base->gallivm->context), |
| 1479 | last_args, 9); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1480 | } |
| 1481 | |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1482 | static const struct lp_build_tgsi_action txf_action; |
| 1483 | |
| 1484 | static void build_tex_intrinsic(const struct lp_build_tgsi_action * action, |
| 1485 | struct lp_build_tgsi_context * bld_base, |
| 1486 | struct lp_build_emit_data * emit_data); |
| 1487 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1488 | static void tex_fetch_args( |
| 1489 | struct lp_build_tgsi_context * bld_base, |
| 1490 | struct lp_build_emit_data * emit_data) |
| 1491 | { |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 1492 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1493 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
Michel Dänzer | c2bae6b | 2012-08-02 17:19:22 +0200 | [diff] [blame] | 1494 | const struct tgsi_full_instruction * inst = emit_data->inst; |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1495 | unsigned opcode = inst->Instruction.Opcode; |
| 1496 | unsigned target = inst->Texture.Texture; |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1497 | LLVMValueRef coords[4]; |
| 1498 | LLVMValueRef address[16]; |
Michel Dänzer | beaa5eb | 2013-05-24 13:23:26 +0100 | [diff] [blame] | 1499 | int ref_pos; |
| 1500 | unsigned num_coords = tgsi_util_get_texture_coord_dim(target, &ref_pos); |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1501 | unsigned count = 0; |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1502 | unsigned chan; |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1503 | unsigned sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1; |
| 1504 | unsigned sampler_index = emit_data->inst->Src[sampler_src].Register.Index; |
| 1505 | |
| 1506 | if (target == TGSI_TEXTURE_BUFFER) { |
| 1507 | LLVMTypeRef i128 = LLVMIntTypeInContext(gallivm->context, 128); |
| 1508 | LLVMTypeRef v2i128 = LLVMVectorType(i128, 2); |
| 1509 | LLVMTypeRef i8 = LLVMInt8TypeInContext(gallivm->context); |
| 1510 | LLVMTypeRef v16i8 = LLVMVectorType(i8, 16); |
| 1511 | |
| 1512 | /* Truncate v32i8 to v16i8. */ |
| 1513 | LLVMValueRef res = si_shader_ctx->resources[sampler_index]; |
| 1514 | res = LLVMBuildBitCast(gallivm->builder, res, v2i128, ""); |
| 1515 | res = LLVMBuildExtractElement(gallivm->builder, res, bld_base->uint_bld.zero, ""); |
| 1516 | res = LLVMBuildBitCast(gallivm->builder, res, v16i8, ""); |
| 1517 | |
| 1518 | emit_data->dst_type = LLVMVectorType(bld_base->base.elem_type, 4); |
| 1519 | emit_data->args[0] = res; |
| 1520 | emit_data->args[1] = bld_base->uint_bld.zero; |
| 1521 | emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, 0); |
| 1522 | emit_data->arg_count = 3; |
| 1523 | return; |
| 1524 | } |
Tom Stellard | 467f516 | 2012-05-16 15:15:35 -0400 | [diff] [blame] | 1525 | |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1526 | /* Fetch and project texture coordinates */ |
| 1527 | coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W); |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1528 | for (chan = 0; chan < 3; chan++ ) { |
| 1529 | coords[chan] = lp_build_emit_fetch(bld_base, |
| 1530 | emit_data->inst, 0, |
| 1531 | chan); |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1532 | if (opcode == TGSI_OPCODE_TXP) |
Michel Dänzer | c2bae6b | 2012-08-02 17:19:22 +0200 | [diff] [blame] | 1533 | coords[chan] = lp_build_emit_llvm_binary(bld_base, |
| 1534 | TGSI_OPCODE_DIV, |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1535 | coords[chan], |
| 1536 | coords[3]); |
| 1537 | } |
| 1538 | |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1539 | if (opcode == TGSI_OPCODE_TXP) |
| 1540 | coords[3] = bld_base->base.one; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1541 | |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1542 | /* Pack LOD bias value */ |
| 1543 | if (opcode == TGSI_OPCODE_TXB) |
| 1544 | address[count++] = coords[3]; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1545 | if (opcode == TGSI_OPCODE_TXB2) |
| 1546 | address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0); |
Vadim Girlin | 8cf552b | 2012-12-18 17:39:19 +0400 | [diff] [blame] | 1547 | |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1548 | if (target == TGSI_TEXTURE_CUBE || |
| 1549 | target == TGSI_TEXTURE_CUBE_ARRAY || |
| 1550 | target == TGSI_TEXTURE_SHADOWCUBE || |
| 1551 | target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1552 | radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords); |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1553 | |
| 1554 | /* Pack depth comparison value */ |
| 1555 | switch (target) { |
| 1556 | case TGSI_TEXTURE_SHADOW1D: |
| 1557 | case TGSI_TEXTURE_SHADOW1D_ARRAY: |
| 1558 | case TGSI_TEXTURE_SHADOW2D: |
| 1559 | case TGSI_TEXTURE_SHADOWRECT: |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1560 | case TGSI_TEXTURE_SHADOWCUBE: |
| 1561 | case TGSI_TEXTURE_SHADOW2D_ARRAY: |
Michel Dänzer | beaa5eb | 2013-05-24 13:23:26 +0100 | [diff] [blame] | 1562 | assert(ref_pos >= 0); |
| 1563 | address[count++] = coords[ref_pos]; |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1564 | break; |
| 1565 | case TGSI_TEXTURE_SHADOWCUBE_ARRAY: |
| 1566 | address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0); |
Michel Dänzer | e0f2ffc | 2012-12-03 12:46:30 +0100 | [diff] [blame] | 1567 | } |
| 1568 | |
Michel Dänzer | a6b83c0 | 2013-02-21 16:10:55 +0100 | [diff] [blame] | 1569 | /* Pack user derivatives */ |
| 1570 | if (opcode == TGSI_OPCODE_TXD) { |
| 1571 | for (chan = 0; chan < 2; chan++) { |
| 1572 | address[count++] = lp_build_emit_fetch(bld_base, inst, 1, chan); |
| 1573 | if (num_coords > 1) |
| 1574 | address[count++] = lp_build_emit_fetch(bld_base, inst, 2, chan); |
| 1575 | } |
| 1576 | } |
| 1577 | |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1578 | /* Pack texture coordinates */ |
| 1579 | address[count++] = coords[0]; |
Michel Dänzer | beaa5eb | 2013-05-24 13:23:26 +0100 | [diff] [blame] | 1580 | if (num_coords > 1) |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1581 | address[count++] = coords[1]; |
Michel Dänzer | beaa5eb | 2013-05-24 13:23:26 +0100 | [diff] [blame] | 1582 | if (num_coords > 2) |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1583 | address[count++] = coords[2]; |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 1584 | |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1585 | /* Pack LOD or sample index */ |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1586 | if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF) |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1587 | address[count++] = coords[3]; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1588 | if (opcode == TGSI_OPCODE_TXL2) |
| 1589 | address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0); |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1590 | |
| 1591 | if (count > 16) { |
| 1592 | assert(!"Cannot handle more than 16 texture address parameters"); |
| 1593 | count = 16; |
| 1594 | } |
| 1595 | |
| 1596 | for (chan = 0; chan < count; chan++ ) { |
| 1597 | address[chan] = LLVMBuildBitCast(gallivm->builder, |
| 1598 | address[chan], |
| 1599 | LLVMInt32TypeInContext(gallivm->context), |
| 1600 | ""); |
| 1601 | } |
| 1602 | |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1603 | /* Adjust the sample index according to FMASK. |
| 1604 | * |
| 1605 | * For uncompressed MSAA surfaces, FMASK should return 0x76543210, |
| 1606 | * which is the identity mapping. Each nibble says which physical sample |
| 1607 | * should be fetched to get that sample. |
| 1608 | * |
| 1609 | * For example, 0x11111100 means there are only 2 samples stored and |
| 1610 | * the second sample covers 3/4 of the pixel. When reading samples 0 |
| 1611 | * and 1, return physical sample 0 (determined by the first two 0s |
| 1612 | * in FMASK), otherwise return physical sample 1. |
| 1613 | * |
| 1614 | * The sample index should be adjusted as follows: |
| 1615 | * sample_index = (fmask >> (sample_index * 4)) & 0xF; |
| 1616 | */ |
| 1617 | if (target == TGSI_TEXTURE_2D_MSAA || |
| 1618 | target == TGSI_TEXTURE_2D_ARRAY_MSAA) { |
| 1619 | struct lp_build_context *uint_bld = &bld_base->uint_bld; |
| 1620 | struct lp_build_emit_data txf_emit_data = *emit_data; |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1621 | LLVMValueRef txf_address[4]; |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1622 | unsigned txf_count = count; |
| 1623 | |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1624 | memcpy(txf_address, address, sizeof(txf_address)); |
| 1625 | |
| 1626 | if (target == TGSI_TEXTURE_2D_MSAA) { |
| 1627 | txf_address[2] = bld_base->uint_bld.zero; |
| 1628 | } |
| 1629 | txf_address[3] = bld_base->uint_bld.zero; |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1630 | |
| 1631 | /* Pad to a power-of-two size. */ |
| 1632 | while (txf_count < util_next_power_of_two(txf_count)) |
| 1633 | txf_address[txf_count++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm->context)); |
| 1634 | |
| 1635 | /* Read FMASK using TXF. */ |
| 1636 | txf_emit_data.chan = 0; |
| 1637 | txf_emit_data.dst_type = LLVMVectorType( |
| 1638 | LLVMInt32TypeInContext(bld_base->base.gallivm->context), 4); |
| 1639 | txf_emit_data.args[0] = lp_build_gather_values(gallivm, txf_address, txf_count); |
| 1640 | txf_emit_data.args[1] = si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index]; |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1641 | txf_emit_data.args[2] = lp_build_const_int32(bld_base->base.gallivm, |
| 1642 | target == TGSI_TEXTURE_2D_MSAA ? TGSI_TEXTURE_2D : TGSI_TEXTURE_2D_ARRAY); |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1643 | txf_emit_data.arg_count = 3; |
| 1644 | |
| 1645 | build_tex_intrinsic(&txf_action, bld_base, &txf_emit_data); |
| 1646 | |
| 1647 | /* Initialize some constants. */ |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1648 | LLVMValueRef four = LLVMConstInt(uint_bld->elem_type, 4, 0); |
| 1649 | LLVMValueRef F = LLVMConstInt(uint_bld->elem_type, 0xF, 0); |
| 1650 | |
| 1651 | /* Apply the formula. */ |
| 1652 | LLVMValueRef fmask = |
| 1653 | LLVMBuildExtractElement(gallivm->builder, |
| 1654 | txf_emit_data.output[0], |
| 1655 | uint_bld->zero, ""); |
| 1656 | |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1657 | unsigned sample_chan = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3; |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1658 | |
| 1659 | LLVMValueRef sample_index4 = |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1660 | LLVMBuildMul(gallivm->builder, address[sample_chan], four, ""); |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1661 | |
| 1662 | LLVMValueRef shifted_fmask = |
| 1663 | LLVMBuildLShr(gallivm->builder, fmask, sample_index4, ""); |
| 1664 | |
| 1665 | LLVMValueRef final_sample = |
| 1666 | LLVMBuildAnd(gallivm->builder, shifted_fmask, F, ""); |
| 1667 | |
| 1668 | /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK |
| 1669 | * resource descriptor is 0 (invalid), |
| 1670 | */ |
| 1671 | LLVMValueRef fmask_desc = |
| 1672 | LLVMBuildBitCast(gallivm->builder, |
| 1673 | si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index], |
| 1674 | LLVMVectorType(uint_bld->elem_type, 8), ""); |
| 1675 | |
| 1676 | LLVMValueRef fmask_word1 = |
| 1677 | LLVMBuildExtractElement(gallivm->builder, fmask_desc, |
| 1678 | uint_bld->one, ""); |
| 1679 | |
| 1680 | LLVMValueRef word1_is_nonzero = |
| 1681 | LLVMBuildICmp(gallivm->builder, LLVMIntNE, |
| 1682 | fmask_word1, uint_bld->zero, ""); |
| 1683 | |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1684 | /* Replace the MSAA sample index. */ |
| 1685 | address[sample_chan] = |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1686 | LLVMBuildSelect(gallivm->builder, word1_is_nonzero, |
Marek Olšák | d2bd634 | 2013-09-18 15:40:21 +0200 | [diff] [blame] | 1687 | final_sample, address[sample_chan], ""); |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1688 | } |
Michel Dänzer | a6b83c0 | 2013-02-21 16:10:55 +0100 | [diff] [blame] | 1689 | |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1690 | /* Resource */ |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1691 | emit_data->args[1] = si_shader_ctx->resources[sampler_index]; |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1692 | |
| 1693 | if (opcode == TGSI_OPCODE_TXF) { |
| 1694 | /* add tex offsets */ |
| 1695 | if (inst->Texture.NumOffsets) { |
| 1696 | struct lp_build_context *uint_bld = &bld_base->uint_bld; |
| 1697 | struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); |
| 1698 | const struct tgsi_texture_offset * off = inst->TexOffsets; |
| 1699 | |
| 1700 | assert(inst->Texture.NumOffsets == 1); |
| 1701 | |
Marek Olšák | defedc0 | 2013-09-18 15:36:38 +0200 | [diff] [blame] | 1702 | switch (target) { |
| 1703 | case TGSI_TEXTURE_3D: |
| 1704 | address[2] = lp_build_add(uint_bld, address[2], |
| 1705 | bld->immediates[off->Index][off->SwizzleZ]); |
| 1706 | /* fall through */ |
| 1707 | case TGSI_TEXTURE_2D: |
| 1708 | case TGSI_TEXTURE_SHADOW2D: |
| 1709 | case TGSI_TEXTURE_RECT: |
| 1710 | case TGSI_TEXTURE_SHADOWRECT: |
| 1711 | case TGSI_TEXTURE_2D_ARRAY: |
| 1712 | case TGSI_TEXTURE_SHADOW2D_ARRAY: |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1713 | address[1] = |
| 1714 | lp_build_add(uint_bld, address[1], |
Marek Olšák | defedc0 | 2013-09-18 15:36:38 +0200 | [diff] [blame] | 1715 | bld->immediates[off->Index][off->SwizzleY]); |
| 1716 | /* fall through */ |
| 1717 | case TGSI_TEXTURE_1D: |
| 1718 | case TGSI_TEXTURE_SHADOW1D: |
| 1719 | case TGSI_TEXTURE_1D_ARRAY: |
| 1720 | case TGSI_TEXTURE_SHADOW1D_ARRAY: |
| 1721 | address[0] = |
| 1722 | lp_build_add(uint_bld, address[0], |
| 1723 | bld->immediates[off->Index][off->SwizzleX]); |
| 1724 | break; |
| 1725 | /* texture offsets do not apply to other texture targets */ |
| 1726 | } |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1727 | } |
| 1728 | |
| 1729 | emit_data->dst_type = LLVMVectorType( |
| 1730 | LLVMInt32TypeInContext(bld_base->base.gallivm->context), |
| 1731 | 4); |
| 1732 | |
| 1733 | emit_data->arg_count = 3; |
| 1734 | } else { |
| 1735 | /* Sampler */ |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 1736 | emit_data->args[2] = si_shader_ctx->samplers[sampler_index]; |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1737 | |
| 1738 | emit_data->dst_type = LLVMVectorType( |
| 1739 | LLVMFloatTypeInContext(bld_base->base.gallivm->context), |
| 1740 | 4); |
| 1741 | |
| 1742 | emit_data->arg_count = 4; |
| 1743 | } |
| 1744 | |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1745 | /* The fetch opcode has been converted to a 2D array fetch. |
| 1746 | * This simplifies the LLVM backend. */ |
| 1747 | if (target == TGSI_TEXTURE_CUBE_ARRAY) |
| 1748 | target = TGSI_TEXTURE_2D_ARRAY; |
| 1749 | else if (target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) |
| 1750 | target = TGSI_TEXTURE_SHADOW2D_ARRAY; |
| 1751 | |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 1752 | /* Dimensions */ |
| 1753 | emit_data->args[emit_data->arg_count - 1] = |
| 1754 | lp_build_const_int32(bld_base->base.gallivm, target); |
| 1755 | |
Michel Dänzer | 120efee | 2013-01-25 12:10:11 +0100 | [diff] [blame] | 1756 | /* Pad to power of two vector */ |
| 1757 | while (count < util_next_power_of_two(count)) |
| 1758 | address[count++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm->context)); |
| 1759 | |
Christian König | ccf3e8f | 2013-03-26 15:09:27 +0100 | [diff] [blame] | 1760 | emit_data->args[0] = lp_build_gather_values(gallivm, address, count); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 1761 | } |
| 1762 | |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1763 | static void build_tex_intrinsic(const struct lp_build_tgsi_action * action, |
| 1764 | struct lp_build_tgsi_context * bld_base, |
| 1765 | struct lp_build_emit_data * emit_data) |
| 1766 | { |
| 1767 | struct lp_build_context * base = &bld_base->base; |
Kai Wasserbäch | bbb77fc | 2013-10-27 19:36:07 +0100 | [diff] [blame] | 1768 | char intr_name[127]; |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1769 | |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1770 | if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) { |
| 1771 | emit_data->output[emit_data->chan] = build_intrinsic( |
| 1772 | base->gallivm->builder, |
| 1773 | "llvm.SI.vs.load.input", emit_data->dst_type, |
| 1774 | emit_data->args, emit_data->arg_count, |
| 1775 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
| 1776 | return; |
| 1777 | } |
| 1778 | |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1779 | sprintf(intr_name, "%sv%ui32", action->intr_name, |
Christian König | ccf3e8f | 2013-03-26 15:09:27 +0100 | [diff] [blame] | 1780 | LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0]))); |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1781 | |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 1782 | emit_data->output[emit_data->chan] = build_intrinsic( |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1783 | base->gallivm->builder, intr_name, emit_data->dst_type, |
Christian König | 44e3224 | 2013-03-20 12:10:35 +0100 | [diff] [blame] | 1784 | emit_data->args, emit_data->arg_count, |
| 1785 | LLVMReadNoneAttribute | LLVMNoUnwindAttribute); |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 1786 | } |
| 1787 | |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 1788 | static void txq_fetch_args( |
| 1789 | struct lp_build_tgsi_context * bld_base, |
| 1790 | struct lp_build_emit_data * emit_data) |
| 1791 | { |
| 1792 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 1793 | const struct tgsi_full_instruction *inst = emit_data->inst; |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1794 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1795 | unsigned target = inst->Texture.Texture; |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1796 | |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1797 | if (target == TGSI_TEXTURE_BUFFER) { |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1798 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
| 1799 | LLVMTypeRef v8i32 = LLVMVectorType(i32, 8); |
| 1800 | |
| 1801 | /* Read the size from the buffer descriptor directly. */ |
| 1802 | LLVMValueRef size = si_shader_ctx->resources[inst->Src[1].Register.Index]; |
| 1803 | size = LLVMBuildBitCast(gallivm->builder, size, v8i32, ""); |
| 1804 | size = LLVMBuildExtractElement(gallivm->builder, size, |
| 1805 | lp_build_const_int32(gallivm, 2), ""); |
| 1806 | emit_data->args[0] = size; |
| 1807 | return; |
| 1808 | } |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 1809 | |
| 1810 | /* Mip level */ |
| 1811 | emit_data->args[0] = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X); |
| 1812 | |
| 1813 | /* Resource */ |
| 1814 | emit_data->args[1] = si_shader_ctx->resources[inst->Src[1].Register.Index]; |
| 1815 | |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1816 | /* Texture target */ |
| 1817 | if (target == TGSI_TEXTURE_CUBE_ARRAY || |
| 1818 | target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) |
| 1819 | target = TGSI_TEXTURE_2D_ARRAY; |
| 1820 | |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 1821 | emit_data->args[2] = lp_build_const_int32(bld_base->base.gallivm, |
| 1822 | inst->Texture.Texture); |
| 1823 | |
| 1824 | emit_data->arg_count = 3; |
| 1825 | |
| 1826 | emit_data->dst_type = LLVMVectorType( |
| 1827 | LLVMInt32TypeInContext(bld_base->base.gallivm->context), |
| 1828 | 4); |
| 1829 | } |
| 1830 | |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1831 | static void build_txq_intrinsic(const struct lp_build_tgsi_action * action, |
| 1832 | struct lp_build_tgsi_context * bld_base, |
| 1833 | struct lp_build_emit_data * emit_data) |
| 1834 | { |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1835 | unsigned target = emit_data->inst->Texture.Texture; |
| 1836 | |
| 1837 | if (target == TGSI_TEXTURE_BUFFER) { |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1838 | /* Just return the buffer size. */ |
| 1839 | emit_data->output[emit_data->chan] = emit_data->args[0]; |
| 1840 | return; |
| 1841 | } |
| 1842 | |
| 1843 | build_tgsi_intrinsic_nomem(action, bld_base, emit_data); |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 1844 | |
| 1845 | /* Divide the number of layers by 6 to get the number of cubes. */ |
| 1846 | if (target == TGSI_TEXTURE_CUBE_ARRAY || |
| 1847 | target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { |
| 1848 | LLVMBuilderRef builder = bld_base->base.gallivm->builder; |
| 1849 | LLVMValueRef two = lp_build_const_int32(bld_base->base.gallivm, 2); |
| 1850 | LLVMValueRef six = lp_build_const_int32(bld_base->base.gallivm, 6); |
| 1851 | |
| 1852 | LLVMValueRef v4 = emit_data->output[emit_data->chan]; |
| 1853 | LLVMValueRef z = LLVMBuildExtractElement(builder, v4, two, ""); |
| 1854 | z = LLVMBuildSDiv(builder, z, six, ""); |
| 1855 | |
| 1856 | emit_data->output[emit_data->chan] = |
| 1857 | LLVMBuildInsertElement(builder, v4, z, two, ""); |
| 1858 | } |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 1859 | } |
| 1860 | |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 1861 | #if HAVE_LLVM >= 0x0304 |
| 1862 | |
| 1863 | static void si_llvm_emit_ddxy( |
| 1864 | const struct lp_build_tgsi_action * action, |
| 1865 | struct lp_build_tgsi_context * bld_base, |
| 1866 | struct lp_build_emit_data * emit_data) |
| 1867 | { |
| 1868 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 1869 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 1870 | struct lp_build_context * base = &bld_base->base; |
| 1871 | const struct tgsi_full_instruction *inst = emit_data->inst; |
| 1872 | unsigned opcode = inst->Instruction.Opcode; |
| 1873 | LLVMValueRef indices[2]; |
| 1874 | LLVMValueRef store_ptr, load_ptr0, load_ptr1; |
| 1875 | LLVMValueRef tl, trbl, result[4]; |
| 1876 | LLVMTypeRef i32; |
| 1877 | unsigned swizzle[4]; |
| 1878 | unsigned c; |
| 1879 | |
| 1880 | i32 = LLVMInt32TypeInContext(gallivm->context); |
| 1881 | |
| 1882 | indices[0] = bld_base->uint_bld.zero; |
| 1883 | indices[1] = build_intrinsic(gallivm->builder, "llvm.SI.tid", i32, |
| 1884 | NULL, 0, LLVMReadNoneAttribute); |
| 1885 | store_ptr = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds, |
| 1886 | indices, 2, ""); |
| 1887 | |
| 1888 | indices[1] = LLVMBuildAnd(gallivm->builder, indices[1], |
| 1889 | lp_build_const_int32(gallivm, 0xfffffffc), ""); |
| 1890 | load_ptr0 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds, |
| 1891 | indices, 2, ""); |
| 1892 | |
| 1893 | indices[1] = LLVMBuildAdd(gallivm->builder, indices[1], |
| 1894 | lp_build_const_int32(gallivm, |
| 1895 | opcode == TGSI_OPCODE_DDX ? 1 : 2), |
| 1896 | ""); |
| 1897 | load_ptr1 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds, |
| 1898 | indices, 2, ""); |
| 1899 | |
| 1900 | for (c = 0; c < 4; ++c) { |
| 1901 | unsigned i; |
| 1902 | |
| 1903 | swizzle[c] = tgsi_util_get_full_src_register_swizzle(&inst->Src[0], c); |
| 1904 | for (i = 0; i < c; ++i) { |
| 1905 | if (swizzle[i] == swizzle[c]) { |
| 1906 | result[c] = result[i]; |
| 1907 | break; |
| 1908 | } |
| 1909 | } |
| 1910 | if (i != c) |
| 1911 | continue; |
| 1912 | |
| 1913 | LLVMBuildStore(gallivm->builder, |
| 1914 | LLVMBuildBitCast(gallivm->builder, |
| 1915 | lp_build_emit_fetch(bld_base, inst, 0, c), |
| 1916 | i32, ""), |
| 1917 | store_ptr); |
| 1918 | |
| 1919 | tl = LLVMBuildLoad(gallivm->builder, load_ptr0, ""); |
| 1920 | tl = LLVMBuildBitCast(gallivm->builder, tl, base->elem_type, ""); |
| 1921 | |
| 1922 | trbl = LLVMBuildLoad(gallivm->builder, load_ptr1, ""); |
| 1923 | trbl = LLVMBuildBitCast(gallivm->builder, trbl, base->elem_type, ""); |
| 1924 | |
| 1925 | result[c] = LLVMBuildFSub(gallivm->builder, trbl, tl, ""); |
| 1926 | } |
| 1927 | |
| 1928 | emit_data->output[0] = lp_build_gather_values(gallivm, result, 4); |
| 1929 | } |
| 1930 | |
| 1931 | #endif /* HAVE_LLVM >= 0x0304 */ |
| 1932 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1933 | /* Emit one vertex from the geometry shader */ |
| 1934 | static void si_llvm_emit_vertex( |
| 1935 | const struct lp_build_tgsi_action *action, |
| 1936 | struct lp_build_tgsi_context *bld_base, |
| 1937 | struct lp_build_emit_data *emit_data) |
| 1938 | { |
| 1939 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 1940 | struct lp_build_context *uint = &bld_base->uint_bld; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1941 | struct si_shader *shader = &si_shader_ctx->shader->shader; |
| 1942 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 1943 | LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context); |
Michel Dänzer | db9d6af | 2014-01-24 16:46:27 +0900 | [diff] [blame] | 1944 | LLVMValueRef soffset = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 1945 | SI_PARAM_GS2VS_OFFSET); |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 1946 | LLVMValueRef gs_next_vertex; |
Michel Daenzer | 59936a4 | 2014-02-13 15:37:11 +0900 | [diff] [blame] | 1947 | LLVMValueRef can_emit, kill; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1948 | LLVMValueRef t_list_ptr; |
| 1949 | LLVMValueRef t_list; |
| 1950 | LLVMValueRef args[2]; |
| 1951 | unsigned chan; |
| 1952 | int i; |
| 1953 | |
| 1954 | /* Load the GSVS ring resource descriptor */ |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 1955 | t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 1956 | SI_PARAM_RW_BUFFERS); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1957 | t_list = build_indexed_load(si_shader_ctx, t_list_ptr, |
Michel Dänzer | b4e1493 | 2014-01-22 17:32:09 +0900 | [diff] [blame] | 1958 | lp_build_const_int32(gallivm, SI_RING_GSVS)); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1959 | |
| 1960 | if (shader->noutput == 0) { |
| 1961 | struct tgsi_parse_context *parse = &si_shader_ctx->parse; |
| 1962 | |
| 1963 | while (!tgsi_parse_end_of_tokens(parse)) { |
| 1964 | tgsi_parse_token(parse); |
| 1965 | |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 1966 | if (parse->FullToken.Token.Type == TGSI_TOKEN_TYPE_DECLARATION) { |
| 1967 | struct tgsi_full_declaration *d = &parse->FullToken.FullDeclaration; |
| 1968 | |
| 1969 | if (d->Declaration.File == TGSI_FILE_OUTPUT) |
| 1970 | si_store_shader_io_attribs(shader, d); |
| 1971 | } |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1972 | } |
| 1973 | } |
| 1974 | |
| 1975 | /* Write vertex attribute values to GSVS ring */ |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 1976 | gs_next_vertex = LLVMBuildLoad(gallivm->builder, si_shader_ctx->gs_next_vertex, ""); |
Michel Daenzer | 59936a4 | 2014-02-13 15:37:11 +0900 | [diff] [blame] | 1977 | |
| 1978 | /* If this thread has already emitted the declared maximum number of |
| 1979 | * vertices, kill it: excessive vertex emissions are not supposed to |
| 1980 | * have any effect, and GS threads have no externally observable |
| 1981 | * effects other than emitting vertices. |
| 1982 | */ |
| 1983 | can_emit = LLVMBuildICmp(gallivm->builder, LLVMIntULE, gs_next_vertex, |
| 1984 | lp_build_const_int32(gallivm, |
| 1985 | shader->gs_max_out_vertices), ""); |
| 1986 | kill = lp_build_select(&bld_base->base, can_emit, |
| 1987 | lp_build_const_float(gallivm, 1.0f), |
| 1988 | lp_build_const_float(gallivm, -1.0f)); |
| 1989 | build_intrinsic(gallivm->builder, "llvm.AMDGPU.kill", |
| 1990 | LLVMVoidTypeInContext(gallivm->context), &kill, 1, 0); |
| 1991 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 1992 | for (i = 0; i < shader->noutput; i++) { |
| 1993 | LLVMValueRef *out_ptr = |
| 1994 | si_shader_ctx->radeon_bld.soa.outputs[shader->output[i].index]; |
| 1995 | |
| 1996 | for (chan = 0; chan < 4; chan++) { |
| 1997 | LLVMValueRef out_val = LLVMBuildLoad(gallivm->builder, out_ptr[chan], ""); |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 1998 | LLVMValueRef voffset = |
| 1999 | lp_build_const_int32(gallivm, (i * 4 + chan) * |
| 2000 | shader->gs_max_out_vertices); |
| 2001 | |
| 2002 | voffset = lp_build_add(uint, voffset, gs_next_vertex); |
| 2003 | voffset = lp_build_mul_imm(uint, voffset, 4); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2004 | |
| 2005 | out_val = LLVMBuildBitCast(gallivm->builder, out_val, i32, ""); |
| 2006 | |
| 2007 | build_tbuffer_store(si_shader_ctx, t_list, out_val, 1, |
| 2008 | voffset, soffset, 0, |
| 2009 | V_008F0C_BUF_DATA_FORMAT_32, |
| 2010 | V_008F0C_BUF_NUM_FORMAT_UINT, |
| 2011 | 1, 0, 1, 1, 0); |
| 2012 | } |
| 2013 | } |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 2014 | gs_next_vertex = lp_build_add(uint, gs_next_vertex, |
| 2015 | lp_build_const_int32(gallivm, 1)); |
| 2016 | LLVMBuildStore(gallivm->builder, gs_next_vertex, si_shader_ctx->gs_next_vertex); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2017 | |
| 2018 | /* Signal vertex emission */ |
| 2019 | args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_EMIT | SENDMSG_GS); |
| 2020 | args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID); |
| 2021 | build_intrinsic(gallivm->builder, "llvm.SI.sendmsg", |
| 2022 | LLVMVoidTypeInContext(gallivm->context), args, 2, |
| 2023 | LLVMNoUnwindAttribute); |
| 2024 | } |
| 2025 | |
| 2026 | /* Cut one primitive from the geometry shader */ |
| 2027 | static void si_llvm_emit_primitive( |
| 2028 | const struct lp_build_tgsi_action *action, |
| 2029 | struct lp_build_tgsi_context *bld_base, |
| 2030 | struct lp_build_emit_data *emit_data) |
| 2031 | { |
| 2032 | struct si_shader_context *si_shader_ctx = si_shader_context(bld_base); |
| 2033 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
| 2034 | LLVMValueRef args[2]; |
| 2035 | |
| 2036 | /* Signal primitive cut */ |
| 2037 | args[0] = lp_build_const_int32(gallivm, SENDMSG_GS_OP_CUT | SENDMSG_GS); |
| 2038 | args[1] = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_GS_WAVE_ID); |
| 2039 | build_intrinsic(gallivm->builder, "llvm.SI.sendmsg", |
| 2040 | LLVMVoidTypeInContext(gallivm->context), args, 2, |
| 2041 | LLVMNoUnwindAttribute); |
| 2042 | } |
| 2043 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2044 | static const struct lp_build_tgsi_action tex_action = { |
| 2045 | .fetch_args = tex_fetch_args, |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 2046 | .emit = build_tex_intrinsic, |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 2047 | .intr_name = "llvm.SI.sample." |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2048 | }; |
| 2049 | |
Michel Dänzer | 3e20513 | 2012-11-06 17:39:01 +0100 | [diff] [blame] | 2050 | static const struct lp_build_tgsi_action txb_action = { |
| 2051 | .fetch_args = tex_fetch_args, |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 2052 | .emit = build_tex_intrinsic, |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 2053 | .intr_name = "llvm.SI.sampleb." |
Michel Dänzer | 3e20513 | 2012-11-06 17:39:01 +0100 | [diff] [blame] | 2054 | }; |
| 2055 | |
Michel Dänzer | a6b83c0 | 2013-02-21 16:10:55 +0100 | [diff] [blame] | 2056 | #if HAVE_LLVM >= 0x0304 |
| 2057 | static const struct lp_build_tgsi_action txd_action = { |
| 2058 | .fetch_args = tex_fetch_args, |
| 2059 | .emit = build_tex_intrinsic, |
| 2060 | .intr_name = "llvm.SI.sampled." |
| 2061 | }; |
| 2062 | #endif |
| 2063 | |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 2064 | static const struct lp_build_tgsi_action txf_action = { |
| 2065 | .fetch_args = tex_fetch_args, |
| 2066 | .emit = build_tex_intrinsic, |
| 2067 | .intr_name = "llvm.SI.imageload." |
| 2068 | }; |
| 2069 | |
Michel Dänzer | 56ae9be | 2012-11-06 17:41:50 +0100 | [diff] [blame] | 2070 | static const struct lp_build_tgsi_action txl_action = { |
| 2071 | .fetch_args = tex_fetch_args, |
Michel Dänzer | 07eddc4 | 2013-02-06 15:43:10 +0100 | [diff] [blame] | 2072 | .emit = build_tex_intrinsic, |
Michel Dänzer | e5fb734 | 2013-01-24 18:54:51 +0100 | [diff] [blame] | 2073 | .intr_name = "llvm.SI.samplel." |
Michel Dänzer | 56ae9be | 2012-11-06 17:41:50 +0100 | [diff] [blame] | 2074 | }; |
| 2075 | |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 2076 | static const struct lp_build_tgsi_action txq_action = { |
| 2077 | .fetch_args = txq_fetch_args, |
Marek Olšák | dbeedbb | 2013-10-31 15:08:49 +0100 | [diff] [blame] | 2078 | .emit = build_txq_intrinsic, |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 2079 | .intr_name = "llvm.SI.resinfo" |
| 2080 | }; |
| 2081 | |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 2082 | static void create_meta_data(struct si_shader_context *si_shader_ctx) |
| 2083 | { |
| 2084 | struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm; |
| 2085 | LLVMValueRef args[3]; |
| 2086 | |
| 2087 | args[0] = LLVMMDStringInContext(gallivm->context, "const", 5); |
| 2088 | args[1] = 0; |
| 2089 | args[2] = lp_build_const_int32(gallivm, 1); |
| 2090 | |
| 2091 | si_shader_ctx->const_md = LLVMMDNodeInContext(gallivm->context, args, 3); |
| 2092 | } |
| 2093 | |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2094 | static void create_function(struct si_shader_context *si_shader_ctx) |
| 2095 | { |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2096 | struct lp_build_tgsi_context *bld_base = &si_shader_ctx->radeon_bld.soa.bld_base; |
| 2097 | struct gallivm_state *gallivm = bld_base->base.gallivm; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2098 | struct si_pipe_shader *shader = si_shader_ctx->shader; |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 2099 | LLVMTypeRef params[SI_NUM_PARAMS], f32, i8, i32, v2i32, v3i32; |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2100 | unsigned i, last_sgpr, num_params; |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2101 | |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2102 | i8 = LLVMInt8TypeInContext(gallivm->context); |
Christian König | c497321 | 2013-03-05 12:14:02 +0100 | [diff] [blame] | 2103 | i32 = LLVMInt32TypeInContext(gallivm->context); |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 2104 | f32 = LLVMFloatTypeInContext(gallivm->context); |
| 2105 | v2i32 = LLVMVectorType(i32, 2); |
| 2106 | v3i32 = LLVMVectorType(i32, 3); |
Christian König | c497321 | 2013-03-05 12:14:02 +0100 | [diff] [blame] | 2107 | |
Vincent Lejeune | 6e51c2a | 2013-10-05 16:04:48 +0200 | [diff] [blame] | 2108 | params[SI_PARAM_CONST] = LLVMPointerType( |
| 2109 | LLVMArrayType(LLVMVectorType(i8, 16), NUM_CONST_BUFFERS), CONST_ADDR_SPACE); |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 2110 | params[SI_PARAM_RW_BUFFERS] = params[SI_PARAM_CONST]; |
| 2111 | |
Vincent Lejeune | 6e51c2a | 2013-10-05 16:04:48 +0200 | [diff] [blame] | 2112 | /* We assume at most 16 textures per program at the moment. |
| 2113 | * This need probably need to be changed to support bindless textures */ |
| 2114 | params[SI_PARAM_SAMPLER] = LLVMPointerType( |
| 2115 | LLVMArrayType(LLVMVectorType(i8, 16), NUM_SAMPLER_VIEWS), CONST_ADDR_SPACE); |
| 2116 | params[SI_PARAM_RESOURCE] = LLVMPointerType( |
| 2117 | LLVMArrayType(LLVMVectorType(i8, 32), NUM_SAMPLER_STATES), CONST_ADDR_SPACE); |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2118 | |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2119 | switch (si_shader_ctx->type) { |
| 2120 | case TGSI_PROCESSOR_VERTEX: |
| 2121 | params[SI_PARAM_VERTEX_BUFFER] = params[SI_PARAM_CONST]; |
Christian König | cf9b31f | 2013-03-21 18:30:23 +0100 | [diff] [blame] | 2122 | params[SI_PARAM_START_INSTANCE] = i32; |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2123 | num_params = SI_PARAM_START_INSTANCE+1; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2124 | if (shader->key.vs.as_es) { |
| 2125 | params[SI_PARAM_ES2GS_OFFSET] = i32; |
| 2126 | num_params++; |
| 2127 | } else { |
| 2128 | /* The locations of the other parameters are assigned dynamically. */ |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2129 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2130 | /* Streamout SGPRs. */ |
| 2131 | if (shader->selector->so.num_outputs) { |
| 2132 | params[si_shader_ctx->param_streamout_config = num_params++] = i32; |
| 2133 | params[si_shader_ctx->param_streamout_write_index = num_params++] = i32; |
| 2134 | } |
| 2135 | /* A streamout buffer offset is loaded if the stride is non-zero. */ |
| 2136 | for (i = 0; i < 4; i++) { |
| 2137 | if (!shader->selector->so.stride[i]) |
| 2138 | continue; |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2139 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2140 | params[si_shader_ctx->param_streamout_offset[i] = num_params++] = i32; |
| 2141 | } |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2142 | } |
| 2143 | |
| 2144 | last_sgpr = num_params-1; |
| 2145 | |
| 2146 | /* VGPRs */ |
| 2147 | params[si_shader_ctx->param_vertex_id = num_params++] = i32; |
| 2148 | params[num_params++] = i32; /* unused*/ |
| 2149 | params[num_params++] = i32; /* unused */ |
| 2150 | params[si_shader_ctx->param_instance_id = num_params++] = i32; |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2151 | break; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 2152 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2153 | case TGSI_PROCESSOR_GEOMETRY: |
| 2154 | params[SI_PARAM_GS2VS_OFFSET] = i32; |
| 2155 | params[SI_PARAM_GS_WAVE_ID] = i32; |
| 2156 | last_sgpr = SI_PARAM_GS_WAVE_ID; |
| 2157 | |
| 2158 | /* VGPRs */ |
| 2159 | params[SI_PARAM_VTX0_OFFSET] = i32; |
| 2160 | params[SI_PARAM_VTX1_OFFSET] = i32; |
| 2161 | params[SI_PARAM_PRIMITIVE_ID] = i32; |
| 2162 | params[SI_PARAM_VTX2_OFFSET] = i32; |
| 2163 | params[SI_PARAM_VTX3_OFFSET] = i32; |
| 2164 | params[SI_PARAM_VTX4_OFFSET] = i32; |
| 2165 | params[SI_PARAM_VTX5_OFFSET] = i32; |
| 2166 | params[SI_PARAM_GS_INSTANCE_ID] = i32; |
| 2167 | num_params = SI_PARAM_GS_INSTANCE_ID+1; |
| 2168 | break; |
| 2169 | |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2170 | case TGSI_PROCESSOR_FRAGMENT: |
Vadim Girlin | 453ea2d | 2013-10-13 19:53:54 +0400 | [diff] [blame] | 2171 | params[SI_PARAM_ALPHA_REF] = f32; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 2172 | params[SI_PARAM_PRIM_MASK] = i32; |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2173 | last_sgpr = SI_PARAM_PRIM_MASK; |
Christian König | 0666ffd | 2013-03-05 15:07:39 +0100 | [diff] [blame] | 2174 | params[SI_PARAM_PERSP_SAMPLE] = v2i32; |
| 2175 | params[SI_PARAM_PERSP_CENTER] = v2i32; |
| 2176 | params[SI_PARAM_PERSP_CENTROID] = v2i32; |
| 2177 | params[SI_PARAM_PERSP_PULL_MODEL] = v3i32; |
| 2178 | params[SI_PARAM_LINEAR_SAMPLE] = v2i32; |
| 2179 | params[SI_PARAM_LINEAR_CENTER] = v2i32; |
| 2180 | params[SI_PARAM_LINEAR_CENTROID] = v2i32; |
| 2181 | params[SI_PARAM_LINE_STIPPLE_TEX] = f32; |
| 2182 | params[SI_PARAM_POS_X_FLOAT] = f32; |
| 2183 | params[SI_PARAM_POS_Y_FLOAT] = f32; |
| 2184 | params[SI_PARAM_POS_Z_FLOAT] = f32; |
| 2185 | params[SI_PARAM_POS_W_FLOAT] = f32; |
| 2186 | params[SI_PARAM_FRONT_FACE] = f32; |
| 2187 | params[SI_PARAM_ANCILLARY] = f32; |
| 2188 | params[SI_PARAM_SAMPLE_COVERAGE] = f32; |
| 2189 | params[SI_PARAM_POS_FIXED_PT] = f32; |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2190 | num_params = SI_PARAM_POS_FIXED_PT+1; |
| 2191 | break; |
| 2192 | |
| 2193 | default: |
| 2194 | assert(0 && "unimplemented shader"); |
| 2195 | return; |
Christian König | c497321 | 2013-03-05 12:14:02 +0100 | [diff] [blame] | 2196 | } |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2197 | |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2198 | assert(num_params <= Elements(params)); |
| 2199 | radeon_llvm_create_func(&si_shader_ctx->radeon_bld, params, num_params); |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2200 | radeon_llvm_shader_type(si_shader_ctx->radeon_bld.main_fn, si_shader_ctx->type); |
Christian König | cf9b31f | 2013-03-21 18:30:23 +0100 | [diff] [blame] | 2201 | |
Marek Olšák | 13a1a8b | 2013-08-18 01:57:40 +0200 | [diff] [blame] | 2202 | for (i = 0; i <= last_sgpr; ++i) { |
| 2203 | LLVMValueRef P = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, i); |
Vincent Lejeune | 6e51c2a | 2013-10-05 16:04:48 +0200 | [diff] [blame] | 2204 | switch (i) { |
| 2205 | default: |
| 2206 | LLVMAddAttribute(P, LLVMInRegAttribute); |
| 2207 | break; |
| 2208 | #if HAVE_LLVM >= 0x0304 |
| 2209 | /* We tell llvm that array inputs are passed by value to allow Sinking pass |
| 2210 | * to move load. Inputs are constant so this is fine. */ |
| 2211 | case SI_PARAM_CONST: |
| 2212 | case SI_PARAM_SAMPLER: |
| 2213 | case SI_PARAM_RESOURCE: |
| 2214 | LLVMAddAttribute(P, LLVMByValAttribute); |
| 2215 | break; |
| 2216 | #endif |
| 2217 | } |
Christian König | cf9b31f | 2013-03-21 18:30:23 +0100 | [diff] [blame] | 2218 | } |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2219 | |
| 2220 | #if HAVE_LLVM >= 0x0304 |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2221 | if (bld_base->info && |
| 2222 | (bld_base->info->opcode_count[TGSI_OPCODE_DDX] > 0 || |
| 2223 | bld_base->info->opcode_count[TGSI_OPCODE_DDY] > 0)) |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2224 | si_shader_ctx->ddxy_lds = |
| 2225 | LLVMAddGlobalInAddressSpace(gallivm->module, |
| 2226 | LLVMArrayType(i32, 64), |
| 2227 | "ddxy_lds", |
| 2228 | LOCAL_ADDR_SPACE); |
| 2229 | #endif |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2230 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2231 | |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2232 | static void preload_constants(struct si_shader_context *si_shader_ctx) |
| 2233 | { |
| 2234 | struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base; |
| 2235 | struct gallivm_state * gallivm = bld_base->base.gallivm; |
| 2236 | const struct tgsi_shader_info * info = bld_base->info; |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2237 | unsigned buf; |
| 2238 | LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST); |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2239 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2240 | for (buf = 0; buf < NUM_CONST_BUFFERS; buf++) { |
| 2241 | unsigned i, num_const = info->const_file_max[buf] + 1; |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2242 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2243 | if (num_const == 0) |
| 2244 | continue; |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2245 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2246 | /* Allocate space for the constant values */ |
| 2247 | si_shader_ctx->constants[buf] = CALLOC(num_const * 4, sizeof(LLVMValueRef)); |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2248 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2249 | /* Load the resource descriptor */ |
| 2250 | si_shader_ctx->const_resource[buf] = |
| 2251 | build_indexed_load(si_shader_ctx, ptr, lp_build_const_int32(gallivm, buf)); |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2252 | |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2253 | /* Load the constants, we rely on the code sinking to do the rest */ |
| 2254 | for (i = 0; i < num_const * 4; ++i) { |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2255 | si_shader_ctx->constants[buf][i] = |
Marek Olšák | 250aa93 | 2014-05-06 14:10:47 +0200 | [diff] [blame^] | 2256 | load_const(gallivm->builder, |
| 2257 | si_shader_ctx->const_resource[buf], |
| 2258 | lp_build_const_int32(gallivm, i * 4), |
| 2259 | bld_base->base.elem_type); |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2260 | } |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2261 | } |
| 2262 | } |
| 2263 | |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2264 | static void preload_samplers(struct si_shader_context *si_shader_ctx) |
| 2265 | { |
| 2266 | struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base; |
| 2267 | struct gallivm_state * gallivm = bld_base->base.gallivm; |
| 2268 | const struct tgsi_shader_info * info = bld_base->info; |
| 2269 | |
| 2270 | unsigned i, num_samplers = info->file_max[TGSI_FILE_SAMPLER] + 1; |
| 2271 | |
| 2272 | LLVMValueRef res_ptr, samp_ptr; |
| 2273 | LLVMValueRef offset; |
| 2274 | |
| 2275 | if (num_samplers == 0) |
| 2276 | return; |
| 2277 | |
| 2278 | /* Allocate space for the values */ |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 2279 | si_shader_ctx->resources = CALLOC(NUM_SAMPLER_VIEWS, sizeof(LLVMValueRef)); |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2280 | si_shader_ctx->samplers = CALLOC(num_samplers, sizeof(LLVMValueRef)); |
| 2281 | |
| 2282 | res_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE); |
| 2283 | samp_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_SAMPLER); |
| 2284 | |
| 2285 | /* Load the resources and samplers, we rely on the code sinking to do the rest */ |
| 2286 | for (i = 0; i < num_samplers; ++i) { |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2287 | /* Resource */ |
| 2288 | offset = lp_build_const_int32(gallivm, i); |
| 2289 | si_shader_ctx->resources[i] = build_indexed_load(si_shader_ctx, res_ptr, offset); |
| 2290 | |
| 2291 | /* Sampler */ |
| 2292 | offset = lp_build_const_int32(gallivm, i); |
| 2293 | si_shader_ctx->samplers[i] = build_indexed_load(si_shader_ctx, samp_ptr, offset); |
Marek Olšák | 4855acd | 2013-08-06 15:08:54 +0200 | [diff] [blame] | 2294 | |
| 2295 | /* FMASK resource */ |
| 2296 | if (info->is_msaa_sampler[i]) { |
| 2297 | offset = lp_build_const_int32(gallivm, FMASK_TEX_OFFSET + i); |
| 2298 | si_shader_ctx->resources[FMASK_TEX_OFFSET + i] = |
| 2299 | build_indexed_load(si_shader_ctx, res_ptr, offset); |
| 2300 | } |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2301 | } |
| 2302 | } |
| 2303 | |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2304 | static void preload_streamout_buffers(struct si_shader_context *si_shader_ctx) |
| 2305 | { |
| 2306 | struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base; |
| 2307 | struct gallivm_state * gallivm = bld_base->base.gallivm; |
| 2308 | unsigned i; |
| 2309 | |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 2310 | if (si_shader_ctx->type != TGSI_PROCESSOR_VERTEX || |
| 2311 | si_shader_ctx->shader->key.vs.as_es || |
| 2312 | !si_shader_ctx->shader->selector->so.num_outputs) |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2313 | return; |
| 2314 | |
| 2315 | LLVMValueRef buf_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 2316 | SI_PARAM_RW_BUFFERS); |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2317 | |
| 2318 | /* Load the resources, we rely on the code sinking to do the rest */ |
| 2319 | for (i = 0; i < 4; ++i) { |
| 2320 | if (si_shader_ctx->shader->selector->so.stride[i]) { |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 2321 | LLVMValueRef offset = lp_build_const_int32(gallivm, |
| 2322 | SI_RW_SO + i); |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2323 | |
| 2324 | si_shader_ctx->so_buffers[i] = build_indexed_load(si_shader_ctx, buf_ptr, offset); |
| 2325 | } |
| 2326 | } |
| 2327 | } |
| 2328 | |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2329 | int si_compile_llvm(struct si_context *sctx, struct si_pipe_shader *shader, |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2330 | LLVMModuleRef mod) |
| 2331 | { |
Darren Powell | bc86690 | 2014-03-31 18:00:28 -0400 | [diff] [blame] | 2332 | unsigned r; /* llvm_compile result */ |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2333 | unsigned i; |
| 2334 | uint32_t *ptr; |
Tom Stellard | 1f4a9fc | 2014-02-03 13:50:09 -0500 | [diff] [blame] | 2335 | struct radeon_shader_binary binary; |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2336 | bool dump = r600_can_dump_shader(&sctx->screen->b, |
Tom Stellard | b280516 | 2013-10-03 17:39:59 -0400 | [diff] [blame] | 2337 | shader->selector ? shader->selector->tokens : NULL); |
Darren Powell | bc86690 | 2014-03-31 18:00:28 -0400 | [diff] [blame] | 2338 | const char * gpu_family = r600_get_llvm_processor_name(sctx->screen->b.family); |
| 2339 | |
| 2340 | /* Use LLVM to compile shader */ |
Tom Stellard | 7782d19 | 2013-04-04 09:57:13 -0700 | [diff] [blame] | 2341 | memset(&binary, 0, sizeof(binary)); |
Darren Powell | bc86690 | 2014-03-31 18:00:28 -0400 | [diff] [blame] | 2342 | r = radeon_llvm_compile(mod, &binary, gpu_family, dump); |
| 2343 | |
| 2344 | /* Output binary dump if rscreen->debug_flags are set */ |
Jay Cornwall | d7d539a | 2013-10-10 20:06:48 -0500 | [diff] [blame] | 2345 | if (dump && ! binary.disassembled) { |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2346 | fprintf(stderr, "SI CODE:\n"); |
Tom Stellard | 7782d19 | 2013-04-04 09:57:13 -0700 | [diff] [blame] | 2347 | for (i = 0; i < binary.code_size; i+=4 ) { |
| 2348 | fprintf(stderr, "%02x%02x%02x%02x\n", binary.code[i + 3], |
| 2349 | binary.code[i + 2], binary.code[i + 1], |
| 2350 | binary.code[i]); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2351 | } |
| 2352 | } |
| 2353 | |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2354 | /* XXX: We may be able to emit some of these values directly rather than |
| 2355 | * extracting fields to be emitted later. |
| 2356 | */ |
Darren Powell | bc86690 | 2014-03-31 18:00:28 -0400 | [diff] [blame] | 2357 | /* Parse config data in compiled binary */ |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2358 | for (i = 0; i < binary.config_size; i+= 8) { |
| 2359 | unsigned reg = util_le32_to_cpu(*(uint32_t*)(binary.config + i)); |
| 2360 | unsigned value = util_le32_to_cpu(*(uint32_t*)(binary.config + i + 4)); |
| 2361 | switch (reg) { |
| 2362 | case R_00B028_SPI_SHADER_PGM_RSRC1_PS: |
| 2363 | case R_00B128_SPI_SHADER_PGM_RSRC1_VS: |
| 2364 | case R_00B228_SPI_SHADER_PGM_RSRC1_GS: |
| 2365 | case R_00B848_COMPUTE_PGM_RSRC1: |
| 2366 | shader->num_sgprs = (G_00B028_SGPRS(value) + 1) * 8; |
| 2367 | shader->num_vgprs = (G_00B028_VGPRS(value) + 1) * 4; |
| 2368 | break; |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2369 | case R_00B02C_SPI_SHADER_PGM_RSRC2_PS: |
| 2370 | shader->lds_size = G_00B02C_EXTRA_LDS_SIZE(value); |
| 2371 | break; |
| 2372 | case R_00B84C_COMPUTE_PGM_RSRC2: |
| 2373 | shader->lds_size = G_00B84C_LDS_SIZE(value); |
| 2374 | break; |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2375 | case R_0286CC_SPI_PS_INPUT_ENA: |
| 2376 | shader->spi_ps_input_ena = value; |
| 2377 | break; |
| 2378 | default: |
| 2379 | fprintf(stderr, "Warning: Compiler emitted unknown " |
| 2380 | "config register: 0x%x\n", reg); |
| 2381 | break; |
| 2382 | } |
| 2383 | } |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2384 | |
| 2385 | /* copy new shader */ |
Marek Olšák | a81c3e0 | 2013-08-14 01:04:39 +0200 | [diff] [blame] | 2386 | r600_resource_reference(&shader->bo, NULL); |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2387 | shader->bo = si_resource_create_custom(sctx->b.b.screen, PIPE_USAGE_IMMUTABLE, |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2388 | binary.code_size); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2389 | if (shader->bo == NULL) { |
| 2390 | return -ENOMEM; |
| 2391 | } |
| 2392 | |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2393 | ptr = (uint32_t*)sctx->b.ws->buffer_map(shader->bo->cs_buf, sctx->b.rings.gfx.cs, PIPE_TRANSFER_WRITE); |
Tom Stellard | eac7236 | 2014-02-19 14:19:53 -0800 | [diff] [blame] | 2394 | if (SI_BIG_ENDIAN) { |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2395 | for (i = 0; i < binary.code_size / 4; ++i) { |
Tom Stellard | 195ee10 | 2014-02-20 09:03:53 -0800 | [diff] [blame] | 2396 | ptr[i] = util_cpu_to_le32((*(uint32_t*)(binary.code + i*4))); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2397 | } |
| 2398 | } else { |
Tom Stellard | d50343d | 2013-04-04 16:21:06 -0400 | [diff] [blame] | 2399 | memcpy(ptr, binary.code, binary.code_size); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2400 | } |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2401 | sctx->b.ws->buffer_unmap(shader->bo->cs_buf); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2402 | |
Tom Stellard | 7782d19 | 2013-04-04 09:57:13 -0700 | [diff] [blame] | 2403 | free(binary.code); |
| 2404 | free(binary.config); |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2405 | |
Darren Powell | bc86690 | 2014-03-31 18:00:28 -0400 | [diff] [blame] | 2406 | return r; |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2407 | } |
| 2408 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2409 | /* Generate code for the hardware VS shader stage to go with a geometry shader */ |
| 2410 | static int si_generate_gs_copy_shader(struct si_context *sctx, |
| 2411 | struct si_shader_context *si_shader_ctx, |
| 2412 | bool dump) |
| 2413 | { |
| 2414 | struct gallivm_state *gallivm = &si_shader_ctx->radeon_bld.gallivm; |
| 2415 | struct lp_build_tgsi_context *bld_base = &si_shader_ctx->radeon_bld.soa.bld_base; |
| 2416 | struct lp_build_context *base = &bld_base->base; |
| 2417 | struct lp_build_context *uint = &bld_base->uint_bld; |
Michel Dänzer | 8afde9f | 2014-01-09 16:10:49 +0900 | [diff] [blame] | 2418 | struct si_shader *shader = &si_shader_ctx->shader->shader; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2419 | struct si_shader *gs = &si_shader_ctx->shader->selector->current->shader; |
| 2420 | struct si_shader_output_values *outputs; |
| 2421 | LLVMValueRef t_list_ptr, t_list; |
| 2422 | LLVMValueRef args[9]; |
| 2423 | int i, r; |
| 2424 | |
| 2425 | outputs = MALLOC(gs->noutput * sizeof(outputs[0])); |
| 2426 | |
| 2427 | si_shader_ctx->type = TGSI_PROCESSOR_VERTEX; |
| 2428 | si_shader_ctx->gs_for_vs = gs; |
| 2429 | |
| 2430 | radeon_llvm_context_init(&si_shader_ctx->radeon_bld); |
| 2431 | |
| 2432 | create_meta_data(si_shader_ctx); |
| 2433 | create_function(si_shader_ctx); |
| 2434 | preload_streamout_buffers(si_shader_ctx); |
| 2435 | |
| 2436 | /* Load the GSVS ring resource descriptor */ |
Michel Dänzer | f8e1601 | 2014-01-28 15:39:30 +0900 | [diff] [blame] | 2437 | t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 2438 | SI_PARAM_RW_BUFFERS); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2439 | t_list = build_indexed_load(si_shader_ctx, t_list_ptr, |
Michel Dänzer | b4e1493 | 2014-01-22 17:32:09 +0900 | [diff] [blame] | 2440 | lp_build_const_int32(gallivm, SI_RING_GSVS)); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2441 | |
| 2442 | args[0] = t_list; |
| 2443 | args[1] = lp_build_mul_imm(uint, |
| 2444 | LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, |
| 2445 | si_shader_ctx->param_vertex_id), |
| 2446 | 4); |
| 2447 | args[3] = uint->zero; |
| 2448 | args[4] = uint->one; /* OFFEN */ |
| 2449 | args[5] = uint->zero; /* IDXEN */ |
| 2450 | args[6] = uint->one; /* GLC */ |
| 2451 | args[7] = uint->one; /* SLC */ |
| 2452 | args[8] = uint->zero; /* TFE */ |
| 2453 | |
| 2454 | /* Fetch vertex data from GSVS ring */ |
| 2455 | for (i = 0; i < gs->noutput; ++i) { |
| 2456 | struct si_shader_output *out = gs->output + i; |
| 2457 | unsigned chan; |
| 2458 | |
Michel Dänzer | 8afde9f | 2014-01-09 16:10:49 +0900 | [diff] [blame] | 2459 | shader->output[i] = *out; |
| 2460 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2461 | outputs[i].name = out->name; |
| 2462 | outputs[i].index = out->index; |
Michel Dänzer | 67e385b | 2014-01-08 17:48:21 +0900 | [diff] [blame] | 2463 | outputs[i].sid = out->sid; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2464 | outputs[i].usage = out->usage; |
| 2465 | |
| 2466 | for (chan = 0; chan < 4; chan++) { |
| 2467 | args[2] = lp_build_const_int32(gallivm, |
| 2468 | (i * 4 + chan) * |
| 2469 | gs->gs_max_out_vertices * 16 * 4); |
| 2470 | |
| 2471 | outputs[i].values[chan] = |
| 2472 | LLVMBuildBitCast(gallivm->builder, |
| 2473 | build_intrinsic(gallivm->builder, |
| 2474 | "llvm.SI.buffer.load.dword.i32.i32", |
| 2475 | LLVMInt32TypeInContext(gallivm->context), |
| 2476 | args, 9, |
| 2477 | LLVMReadOnlyAttribute | LLVMNoUnwindAttribute), |
| 2478 | base->elem_type, ""); |
| 2479 | } |
| 2480 | } |
Michel Dänzer | 8afde9f | 2014-01-09 16:10:49 +0900 | [diff] [blame] | 2481 | shader->noutput = gs->noutput; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2482 | |
| 2483 | si_llvm_export_vs(bld_base, outputs, gs->noutput); |
| 2484 | |
| 2485 | radeon_llvm_finalize_module(&si_shader_ctx->radeon_bld); |
| 2486 | |
| 2487 | if (dump) |
| 2488 | fprintf(stderr, "Copy Vertex Shader for Geometry Shader:\n\n"); |
| 2489 | |
| 2490 | r = si_compile_llvm(sctx, si_shader_ctx->shader, |
| 2491 | bld_base->base.gallivm->module); |
| 2492 | |
| 2493 | radeon_llvm_dispose(&si_shader_ctx->radeon_bld); |
| 2494 | |
| 2495 | FREE(outputs); |
| 2496 | return r; |
| 2497 | } |
| 2498 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2499 | int si_pipe_shader_create( |
| 2500 | struct pipe_context *ctx, |
Christian König | a0dca44 | 2013-03-22 15:59:22 +0100 | [diff] [blame] | 2501 | struct si_pipe_shader *shader) |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2502 | { |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2503 | struct si_context *sctx = (struct si_context*)ctx; |
Michel Dänzer | d1e40b3 | 2012-08-23 17:10:37 +0200 | [diff] [blame] | 2504 | struct si_pipe_shader_selector *sel = shader->selector; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2505 | struct si_shader_context si_shader_ctx; |
| 2506 | struct tgsi_shader_info shader_info; |
| 2507 | struct lp_build_tgsi_context * bld_base; |
| 2508 | LLVMModuleRef mod; |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2509 | int r = 0; |
Michel Dänzer | e1df0d4 | 2014-01-15 12:31:07 +0900 | [diff] [blame] | 2510 | bool dump = r600_can_dump_shader(&sctx->screen->b, sel->tokens); |
| 2511 | |
| 2512 | /* Dump TGSI code before doing TGSI->LLVM conversion in case the |
| 2513 | * conversion fails. */ |
| 2514 | if (dump) { |
| 2515 | tgsi_dump(sel->tokens, 0); |
| 2516 | si_dump_streamout(&sel->so); |
| 2517 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2518 | |
Michel Dänzer | 82e38ac | 2012-09-27 16:39:26 +0200 | [diff] [blame] | 2519 | assert(shader->shader.noutput == 0); |
Michel Dänzer | 7c7d738 | 2014-01-09 15:33:34 +0900 | [diff] [blame] | 2520 | assert(shader->shader.nparam == 0); |
Michel Dänzer | 82e38ac | 2012-09-27 16:39:26 +0200 | [diff] [blame] | 2521 | assert(shader->shader.ninput == 0); |
| 2522 | |
Michel Dänzer | cfebaf9 | 2012-08-31 19:04:08 +0200 | [diff] [blame] | 2523 | memset(&si_shader_ctx, 0, sizeof(si_shader_ctx)); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2524 | radeon_llvm_context_init(&si_shader_ctx.radeon_bld); |
| 2525 | bld_base = &si_shader_ctx.radeon_bld.soa.bld_base; |
| 2526 | |
Michel Dänzer | d1e40b3 | 2012-08-23 17:10:37 +0200 | [diff] [blame] | 2527 | tgsi_scan_shader(sel->tokens, &shader_info); |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2528 | |
Michel Dänzer | e44dfd4 | 2012-11-07 17:33:08 +0100 | [diff] [blame] | 2529 | shader->shader.uses_kill = shader_info.uses_kill; |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 2530 | shader->shader.uses_instanceid = shader_info.uses_instanceid; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2531 | bld_base->info = &shader_info; |
| 2532 | bld_base->emit_fetch_funcs[TGSI_FILE_CONSTANT] = fetch_constant; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2533 | |
| 2534 | bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 2535 | bld_base->op_actions[TGSI_OPCODE_TEX2] = tex_action; |
Michel Dänzer | 3e20513 | 2012-11-06 17:39:01 +0100 | [diff] [blame] | 2536 | bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 2537 | bld_base->op_actions[TGSI_OPCODE_TXB2] = txb_action; |
Michel Dänzer | a6b83c0 | 2013-02-21 16:10:55 +0100 | [diff] [blame] | 2538 | #if HAVE_LLVM >= 0x0304 |
| 2539 | bld_base->op_actions[TGSI_OPCODE_TXD] = txd_action; |
| 2540 | #endif |
Michel Dänzer | 3623111 | 2013-05-02 09:44:45 +0200 | [diff] [blame] | 2541 | bld_base->op_actions[TGSI_OPCODE_TXF] = txf_action; |
Michel Dänzer | 56ae9be | 2012-11-06 17:41:50 +0100 | [diff] [blame] | 2542 | bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action; |
Marek Olšák | 2484daa | 2014-04-22 21:23:29 +0200 | [diff] [blame] | 2543 | bld_base->op_actions[TGSI_OPCODE_TXL2] = txl_action; |
Michel Dänzer | c2bae6b | 2012-08-02 17:19:22 +0200 | [diff] [blame] | 2544 | bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action; |
Michel Dänzer | 0495adb | 2013-05-06 12:45:14 +0200 | [diff] [blame] | 2545 | bld_base->op_actions[TGSI_OPCODE_TXQ] = txq_action; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2546 | |
Michel Dänzer | a06ee5a | 2013-06-19 18:14:01 +0200 | [diff] [blame] | 2547 | #if HAVE_LLVM >= 0x0304 |
| 2548 | bld_base->op_actions[TGSI_OPCODE_DDX].emit = si_llvm_emit_ddxy; |
| 2549 | bld_base->op_actions[TGSI_OPCODE_DDY].emit = si_llvm_emit_ddxy; |
| 2550 | #endif |
| 2551 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2552 | bld_base->op_actions[TGSI_OPCODE_EMIT].emit = si_llvm_emit_vertex; |
| 2553 | bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_llvm_emit_primitive; |
| 2554 | |
Christian König | e4ed587 | 2013-03-21 18:02:52 +0100 | [diff] [blame] | 2555 | si_shader_ctx.radeon_bld.load_system_value = declare_system_value; |
Michel Dänzer | d1e40b3 | 2012-08-23 17:10:37 +0200 | [diff] [blame] | 2556 | si_shader_ctx.tokens = sel->tokens; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2557 | tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens); |
| 2558 | si_shader_ctx.shader = shader; |
| 2559 | si_shader_ctx.type = si_shader_ctx.parse.FullHeader.Processor.Processor; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2560 | |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 2561 | switch (si_shader_ctx.type) { |
| 2562 | case TGSI_PROCESSOR_VERTEX: |
| 2563 | si_shader_ctx.radeon_bld.load_input = declare_input_vs; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2564 | if (shader->key.vs.as_es) { |
| 2565 | si_shader_ctx.gs_for_vs = &sctx->gs_shader->current->shader; |
| 2566 | bld_base->emit_epilogue = si_llvm_emit_es_epilogue; |
| 2567 | } else { |
| 2568 | bld_base->emit_epilogue = si_llvm_emit_vs_epilogue; |
| 2569 | } |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 2570 | break; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2571 | case TGSI_PROCESSOR_GEOMETRY: { |
| 2572 | int i; |
| 2573 | |
| 2574 | si_shader_ctx.radeon_bld.load_input = declare_input_gs; |
| 2575 | bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_gs; |
| 2576 | bld_base->emit_epilogue = si_llvm_emit_gs_epilogue; |
| 2577 | |
| 2578 | for (i = 0; i < shader_info.num_properties; i++) { |
| 2579 | switch (shader_info.properties[i].name) { |
| 2580 | case TGSI_PROPERTY_GS_INPUT_PRIM: |
| 2581 | shader->shader.gs_input_prim = shader_info.properties[i].data[0]; |
| 2582 | break; |
| 2583 | case TGSI_PROPERTY_GS_OUTPUT_PRIM: |
| 2584 | shader->shader.gs_output_prim = shader_info.properties[i].data[0]; |
| 2585 | break; |
| 2586 | case TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES: |
| 2587 | shader->shader.gs_max_out_vertices = shader_info.properties[i].data[0]; |
| 2588 | break; |
| 2589 | } |
| 2590 | } |
| 2591 | break; |
| 2592 | } |
Michel Dänzer | 51f89a0 | 2013-12-09 15:33:53 +0900 | [diff] [blame] | 2593 | case TGSI_PROCESSOR_FRAGMENT: |
| 2594 | si_shader_ctx.radeon_bld.load_input = declare_input_fs; |
| 2595 | bld_base->emit_epilogue = si_llvm_emit_fs_epilogue; |
| 2596 | break; |
| 2597 | default: |
| 2598 | assert(!"Unsupported shader type"); |
| 2599 | return -1; |
| 2600 | } |
| 2601 | |
Christian König | 206f059 | 2013-03-20 14:37:21 +0100 | [diff] [blame] | 2602 | create_meta_data(&si_shader_ctx); |
Christian König | 55fe5cc | 2013-03-04 16:30:06 +0100 | [diff] [blame] | 2603 | create_function(&si_shader_ctx); |
Christian König | 0f6cf2b | 2013-03-15 15:53:25 +0100 | [diff] [blame] | 2604 | preload_constants(&si_shader_ctx); |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2605 | preload_samplers(&si_shader_ctx); |
Marek Olšák | 8d03d92 | 2013-09-01 23:59:06 +0200 | [diff] [blame] | 2606 | preload_streamout_buffers(&si_shader_ctx); |
Christian König | b8f4ca3 | 2013-03-04 15:35:30 +0100 | [diff] [blame] | 2607 | |
Michel Dänzer | f07a96d | 2014-01-08 18:45:10 +0900 | [diff] [blame] | 2608 | if (si_shader_ctx.type == TGSI_PROCESSOR_GEOMETRY) { |
| 2609 | si_shader_ctx.gs_next_vertex = |
| 2610 | lp_build_alloca(bld_base->base.gallivm, |
| 2611 | bld_base->uint_bld.elem_type, ""); |
| 2612 | } |
| 2613 | |
Michel Dänzer | d1e40b3 | 2012-08-23 17:10:37 +0200 | [diff] [blame] | 2614 | if (!lp_build_tgsi_llvm(bld_base, sel->tokens)) { |
Michel Dänzer | 82cd9c0 | 2012-08-08 15:35:42 +0200 | [diff] [blame] | 2615 | fprintf(stderr, "Failed to translate shader from TGSI to LLVM\n"); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2616 | goto out; |
Michel Dänzer | 82cd9c0 | 2012-08-08 15:35:42 +0200 | [diff] [blame] | 2617 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2618 | |
| 2619 | radeon_llvm_finalize_module(&si_shader_ctx.radeon_bld); |
| 2620 | |
| 2621 | mod = bld_base->base.gallivm->module; |
Andreas Hartmetz | 8662e66 | 2014-01-11 16:00:50 +0100 | [diff] [blame] | 2622 | r = si_compile_llvm(sctx, shader, mod); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2623 | if (r) { |
| 2624 | fprintf(stderr, "LLVM failed to compile shader\n"); |
| 2625 | goto out; |
| 2626 | } |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2627 | |
Michel Dänzer | 4b64fa2 | 2012-08-15 18:22:46 +0200 | [diff] [blame] | 2628 | radeon_llvm_dispose(&si_shader_ctx.radeon_bld); |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2629 | |
| 2630 | if (si_shader_ctx.type == TGSI_PROCESSOR_GEOMETRY) { |
| 2631 | shader->gs_copy_shader = CALLOC_STRUCT(si_pipe_shader); |
| 2632 | shader->gs_copy_shader->selector = shader->selector; |
Michel Dänzer | 7b19c39 | 2014-01-09 18:18:26 +0900 | [diff] [blame] | 2633 | shader->gs_copy_shader->key = shader->key; |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2634 | si_shader_ctx.shader = shader->gs_copy_shader; |
| 2635 | if ((r = si_generate_gs_copy_shader(sctx, &si_shader_ctx, dump))) { |
| 2636 | free(shader->gs_copy_shader); |
| 2637 | shader->gs_copy_shader = NULL; |
| 2638 | goto out; |
| 2639 | } |
| 2640 | } |
| 2641 | |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2642 | tgsi_parse_free(&si_shader_ctx.parse); |
| 2643 | |
Michel Dänzer | 404b29d | 2013-11-21 16:45:28 +0900 | [diff] [blame] | 2644 | out: |
Marek Olšák | 2fd4200 | 2013-10-25 11:45:47 +0200 | [diff] [blame] | 2645 | for (int i = 0; i < NUM_CONST_BUFFERS; i++) |
| 2646 | FREE(si_shader_ctx.constants[i]); |
Christian König | 1c10018 | 2013-03-17 16:02:42 +0100 | [diff] [blame] | 2647 | FREE(si_shader_ctx.resources); |
| 2648 | FREE(si_shader_ctx.samplers); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2649 | |
Tom Stellard | 302f53d | 2012-10-25 13:50:10 -0400 | [diff] [blame] | 2650 | return r; |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2651 | } |
| 2652 | |
| 2653 | void si_pipe_shader_destroy(struct pipe_context *ctx, struct si_pipe_shader *shader) |
| 2654 | { |
Marek Olšák | a81c3e0 | 2013-08-14 01:04:39 +0200 | [diff] [blame] | 2655 | r600_resource_reference(&shader->bo, NULL); |
Tom Stellard | a75c616 | 2012-01-06 17:38:37 -0500 | [diff] [blame] | 2656 | } |