1 /* 2 * Copyright 2012 Red Hat 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 * 24 */ 25 26 #include "draw/draw_context.h" 27 #include "util/u_dynarray.h" 28 #include "tgsi/tgsi_parse.h" 29 30 #include "nv_object.xml.h" 31 #include "nv30/nv30-40_3d.xml.h" 32 #include "nv30/nv30_context.h" 33 #include "nv30/nvfx_shader.h" 34 #include "nv30/nv30_state.h" 35 36 static void 37 nv30_vertprog_destroy(struct nv30_vertprog *vp) 38 { 39 util_dynarray_fini(&vp->branch_relocs); 40 nouveau_heap_free(&vp->exec); 41 FREE(vp->insns); 42 vp->insns = NULL; 43 vp->nr_insns = 0; 44 45 util_dynarray_fini(&vp->const_relocs); 46 nouveau_heap_free(&vp->data); 47 FREE(vp->consts); 48 vp->consts = NULL; 49 vp->nr_consts = 0; 50 51 vp->translated = false; 52 } 53 54 void 55 nv30_vertprog_validate(struct nv30_context *nv30) 56 { 57 struct nouveau_pushbuf *push = nv30->base.pushbuf; 58 struct nouveau_object *eng3d = nv30->screen->eng3d; 59 struct nv30_vertprog *vp = nv30->vertprog.program; 60 struct nv30_fragprog *fp = nv30->fragprog.program; 61 bool upload_code = false; 62 bool upload_data = false; 63 unsigned i; 64 65 if (nv30->dirty & NV30_NEW_FRAGPROG) { 66 if (memcmp(vp->texcoord, fp->texcoord, sizeof(vp->texcoord))) { 67 if (vp->translated) 68 nv30_vertprog_destroy(vp); 69 memcpy(vp->texcoord, fp->texcoord, sizeof(vp->texcoord)); 70 } 71 } 72 73 if (nv30->rast && nv30->rast->pipe.clip_plane_enable != vp->enabled_ucps) { 74 vp->enabled_ucps = nv30->rast->pipe.clip_plane_enable; 75 if (vp->translated) 76 nv30_vertprog_destroy(vp); 77 } 78 79 if (!vp->translated) { 80 vp->translated = _nvfx_vertprog_translate(eng3d->oclass, vp); 81 if (!vp->translated) { 82 nv30->draw_flags |= NV30_NEW_VERTPROG; 83 return; 84 } 85 nv30->dirty |= NV30_NEW_VERTPROG; 86 } 87 88 if (!vp->exec) { 89 struct nouveau_heap *heap = nv30->screen->vp_exec_heap; 90 struct nv30_shader_reloc *reloc = vp->branch_relocs.data; 91 unsigned nr_reloc = vp->branch_relocs.size / sizeof(*reloc); 92 uint32_t *inst, target; 93 94 if (nouveau_heap_alloc(heap, vp->nr_insns, &vp->exec, &vp->exec)) { 95 while (heap->next && heap->size < vp->nr_insns) { 96 struct nouveau_heap **evict = heap->next->priv; 97 nouveau_heap_free(evict); 98 } 99 100 if (nouveau_heap_alloc(heap, vp->nr_insns, &vp->exec, &vp->exec)) { 101 nv30->draw_flags |= NV30_NEW_VERTPROG; 102 return; 103 } 104 } 105 106 if (eng3d->oclass < NV40_3D_CLASS) { 107 while (nr_reloc--) { 108 inst = vp->insns[reloc->location].data; 109 target = vp->exec->start + reloc->target; 110 111 inst[2] &= ~0x000007fc; 112 inst[2] |= target << 2; 113 reloc++; 114 } 115 } else { 116 while (nr_reloc--) { 117 inst = vp->insns[reloc->location].data; 118 target = vp->exec->start + reloc->target; 119 120 inst[2] &= ~0x0000003f; 121 inst[2] |= target >> 3; 122 inst[3] &= ~0xe0000000; 123 inst[3] |= target << 29; 124 reloc++; 125 } 126 } 127 128 upload_code = true; 129 } 130 131 if (vp->nr_consts && !vp->data) { 132 struct nouveau_heap *heap = nv30->screen->vp_data_heap; 133 struct nv30_shader_reloc *reloc = vp->const_relocs.data; 134 unsigned nr_reloc = vp->const_relocs.size / sizeof(*reloc); 135 uint32_t *inst, target; 136 137 if (nouveau_heap_alloc(heap, vp->nr_consts, vp, &vp->data)) { 138 while (heap->next && heap->size < vp->nr_consts) { 139 struct nv30_vertprog *evp = heap->next->priv; 140 nouveau_heap_free(&evp->data); 141 } 142 143 if (nouveau_heap_alloc(heap, vp->nr_consts, vp, &vp->data)) { 144 nv30->draw_flags |= NV30_NEW_VERTPROG; 145 return; 146 } 147 } 148 149 if (eng3d->oclass < NV40_3D_CLASS) { 150 while (nr_reloc--) { 151 inst = vp->insns[reloc->location].data; 152 target = vp->data->start + reloc->target; 153 154 inst[1] &= ~0x0007fc000; 155 inst[1] |= (target & 0x1ff) << 14; 156 reloc++; 157 } 158 } else { 159 while (nr_reloc--) { 160 inst = vp->insns[reloc->location].data; 161 target = vp->data->start + reloc->target; 162 163 inst[1] &= ~0x0001ff000; 164 inst[1] |= (target & 0x1ff) << 12; 165 reloc++; 166 } 167 } 168 169 upload_code = true; 170 upload_data = true; 171 } 172 173 if (vp->nr_consts) { 174 struct nv04_resource *res = nv04_resource(nv30->vertprog.constbuf); 175 176 for (i = 0; i < vp->nr_consts; i++) { 177 struct nv30_vertprog_data *data = &vp->consts[i]; 178 179 if (data->index < 0) { 180 if (!upload_data) 181 continue; 182 } else { 183 float *constbuf = (float *)res->data; 184 if (!upload_data && 185 !memcmp(data->value, &constbuf[data->index * 4], 16)) 186 continue; 187 memcpy(data->value, &constbuf[data->index * 4], 16); 188 } 189 190 BEGIN_NV04(push, NV30_3D(VP_UPLOAD_CONST_ID), 5); 191 PUSH_DATA (push, vp->data->start + i); 192 PUSH_DATAp(push, data->value, 4); 193 } 194 } 195 196 if (upload_code) { 197 BEGIN_NV04(push, NV30_3D(VP_UPLOAD_FROM_ID), 1); 198 PUSH_DATA (push, vp->exec->start); 199 for (i = 0; i < vp->nr_insns; i++) { 200 BEGIN_NV04(push, NV30_3D(VP_UPLOAD_INST(0)), 4); 201 PUSH_DATAp(push, vp->insns[i].data, 4); 202 } 203 } 204 205 if (nv30->dirty & (NV30_NEW_VERTPROG | NV30_NEW_FRAGPROG)) { 206 BEGIN_NV04(push, NV30_3D(VP_START_FROM_ID), 1); 207 PUSH_DATA (push, vp->exec->start); 208 if (eng3d->oclass < NV40_3D_CLASS) { 209 BEGIN_NV04(push, NV30_3D(ENGINE), 1); 210 PUSH_DATA (push, 0x00000013); /* vp instead of ff, somehow */ 211 } else { 212 BEGIN_NV04(push, NV40_3D(VP_ATTRIB_EN), 2); 213 PUSH_DATA (push, vp->ir); 214 PUSH_DATA (push, vp->or | fp->vp_or); 215 BEGIN_NV04(push, NV30_3D(ENGINE), 1); 216 PUSH_DATA (push, 0x00000011); 217 } 218 } 219 } 220 221 static void * 222 nv30_vp_state_create(struct pipe_context *pipe, 223 const struct pipe_shader_state *cso) 224 { 225 struct nv30_vertprog *vp = CALLOC_STRUCT(nv30_vertprog); 226 if (!vp) 227 return NULL; 228 229 vp->pipe.tokens = tgsi_dup_tokens(cso->tokens); 230 tgsi_scan_shader(vp->pipe.tokens, &vp->info); 231 return vp; 232 } 233 234 static void 235 nv30_vp_state_delete(struct pipe_context *pipe, void *hwcso) 236 { 237 struct nv30_vertprog *vp = hwcso; 238 239 if (vp->translated) 240 nv30_vertprog_destroy(vp); 241 242 if (vp->draw) 243 draw_delete_vertex_shader(nv30_context(pipe)->draw, vp->draw); 244 245 FREE((void *)vp->pipe.tokens); 246 FREE(vp); 247 } 248 249 static void 250 nv30_vp_state_bind(struct pipe_context *pipe, void *hwcso) 251 { 252 struct nv30_context *nv30 = nv30_context(pipe); 253 254 nv30->vertprog.program = hwcso; 255 nv30->dirty |= NV30_NEW_VERTPROG; 256 } 257 258 void 259 nv30_vertprog_init(struct pipe_context *pipe) 260 { 261 pipe->create_vs_state = nv30_vp_state_create; 262 pipe->bind_vs_state = nv30_vp_state_bind; 263 pipe->delete_vs_state = nv30_vp_state_delete; 264 } 265
