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
nv30_vertprog_destroy(struct nv30_vertprog * vp)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
nv30_vertprog_validate(struct nv30_context * nv30)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 *
nv30_vp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)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
nv30_vp_state_delete(struct pipe_context * pipe,void * hwcso)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
nv30_vp_state_bind(struct pipe_context * pipe,void * hwcso)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
nv30_vertprog_init(struct pipe_context * pipe)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