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llvmpipe: Use u_math's round.
[mesa.git] / src / gallium / drivers / nv50 / nv50_transfer.c
1
2 #include "pipe/p_context.h"
3 #include "util/u_inlines.h"
4 #include "util/u_format.h"
5 #include "util/u_math.h"
6
7 #include "nv50_context.h"
8 #include "nv50_transfer.h"
9 #include "nv50_resource.h"
10
11 struct nv50_transfer {
12 struct pipe_transfer base;
13 struct nouveau_bo *bo;
14 int map_refcnt;
15 unsigned level_offset;
16 unsigned level_tiling;
17 int level_pitch;
18 int level_width;
19 int level_height;
20 int level_depth;
21 int level_x;
22 int level_y;
23 int level_z;
24 unsigned nblocksx;
25 unsigned nblocksy;
26 };
27
28 static void
29 nv50_transfer_rect_m2mf(struct pipe_screen *pscreen,
30 struct nouveau_bo *src_bo, unsigned src_offset,
31 int src_pitch, unsigned src_tile_mode,
32 int sx, int sy, int sz, int sw, int sh, int sd,
33 struct nouveau_bo *dst_bo, unsigned dst_offset,
34 int dst_pitch, unsigned dst_tile_mode,
35 int dx, int dy, int dz, int dw, int dh, int dd,
36 int cpp, int width, int height,
37 unsigned src_reloc, unsigned dst_reloc)
38 {
39 struct nv50_screen *screen = nv50_screen(pscreen);
40 struct nouveau_channel *chan = screen->m2mf->channel;
41 struct nouveau_grobj *m2mf = screen->m2mf;
42
43 src_reloc |= NOUVEAU_BO_RD;
44 dst_reloc |= NOUVEAU_BO_WR;
45
46 WAIT_RING (chan, 14);
47
48 if (!nouveau_bo_tile_layout(src_bo)) {
49 BEGIN_RING(chan, m2mf,
50 NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_IN, 1);
51 OUT_RING (chan, 1);
52 BEGIN_RING(chan, m2mf,
53 NV04_MEMORY_TO_MEMORY_FORMAT_PITCH_IN, 1);
54 OUT_RING (chan, src_pitch);
55 src_offset += (sy * src_pitch) + (sx * cpp);
56 } else {
57 BEGIN_RING(chan, m2mf,
58 NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_IN, 6);
59 OUT_RING (chan, 0);
60 OUT_RING (chan, src_tile_mode << 4);
61 OUT_RING (chan, sw * cpp);
62 OUT_RING (chan, sh);
63 OUT_RING (chan, sd);
64 OUT_RING (chan, sz); /* copying only 1 zslice per call */
65 }
66
67 if (!nouveau_bo_tile_layout(dst_bo)) {
68 BEGIN_RING(chan, m2mf,
69 NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_OUT, 1);
70 OUT_RING (chan, 1);
71 BEGIN_RING(chan, m2mf,
72 NV04_MEMORY_TO_MEMORY_FORMAT_PITCH_OUT, 1);
73 OUT_RING (chan, dst_pitch);
74 dst_offset += (dy * dst_pitch) + (dx * cpp);
75 } else {
76 BEGIN_RING(chan, m2mf,
77 NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_OUT, 6);
78 OUT_RING (chan, 0);
79 OUT_RING (chan, dst_tile_mode << 4);
80 OUT_RING (chan, dw * cpp);
81 OUT_RING (chan, dh);
82 OUT_RING (chan, dd);
83 OUT_RING (chan, dz); /* copying only 1 zslice per call */
84 }
85
86 while (height) {
87 int line_count = height > 2047 ? 2047 : height;
88
89 MARK_RING (chan, 15, 4); /* flush on lack of space or relocs */
90 BEGIN_RING(chan, m2mf,
91 NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN_HIGH, 2);
92 OUT_RELOCh(chan, src_bo, src_offset, src_reloc);
93 OUT_RELOCh(chan, dst_bo, dst_offset, dst_reloc);
94 BEGIN_RING(chan, m2mf,
95 NV04_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 2);
96 OUT_RELOCl(chan, src_bo, src_offset, src_reloc);
97 OUT_RELOCl(chan, dst_bo, dst_offset, dst_reloc);
98 if (nouveau_bo_tile_layout(src_bo)) {
99 BEGIN_RING(chan, m2mf,
100 NV50_MEMORY_TO_MEMORY_FORMAT_TILING_POSITION_IN, 1);
101 OUT_RING (chan, (sy << 16) | (sx * cpp));
102 } else {
103 src_offset += (line_count * src_pitch);
104 }
105 if (nouveau_bo_tile_layout(dst_bo)) {
106 BEGIN_RING(chan, m2mf,
107 NV50_MEMORY_TO_MEMORY_FORMAT_TILING_POSITION_OUT, 1);
108 OUT_RING (chan, (dy << 16) | (dx * cpp));
109 } else {
110 dst_offset += (line_count * dst_pitch);
111 }
112 BEGIN_RING(chan, m2mf,
113 NV04_MEMORY_TO_MEMORY_FORMAT_LINE_LENGTH_IN, 4);
114 OUT_RING (chan, width * cpp);
115 OUT_RING (chan, line_count);
116 OUT_RING (chan, 0x00000101);
117 OUT_RING (chan, 0);
118 FIRE_RING (chan);
119
120 height -= line_count;
121 sy += line_count;
122 dy += line_count;
123 }
124 }
125
126 struct pipe_transfer *
127 nv50_miptree_transfer_new(struct pipe_context *pcontext,
128 struct pipe_resource *pt,
129 unsigned level,
130 unsigned usage,
131 const struct pipe_box *box)
132 {
133 struct pipe_screen *pscreen = pcontext->screen;
134 struct nouveau_device *dev = nouveau_screen(pscreen)->device;
135 struct nv50_miptree *mt = nv50_miptree(pt);
136 struct nv50_miptree_level *lvl = &mt->level[level];
137 struct nv50_transfer *tx;
138 unsigned nx, ny, image = 0, boxz = 0;
139 int ret;
140
141 /* XXX can't unify these here? */
142 if (pt->target == PIPE_TEXTURE_CUBE)
143 image = box->z;
144 else if (pt->target == PIPE_TEXTURE_3D)
145 boxz = box->z;
146
147 tx = CALLOC_STRUCT(nv50_transfer);
148 if (!tx)
149 return NULL;
150
151 /* Don't handle 3D transfers yet.
152 */
153 assert(box->depth == 1);
154
155
156 pipe_resource_reference(&tx->base.resource, pt);
157 tx->base.level = level;
158 tx->base.usage = usage;
159 tx->base.box = *box;
160 tx->nblocksx = util_format_get_nblocksx(pt->format, u_minify(pt->width0, level));
161 tx->nblocksy = util_format_get_nblocksy(pt->format, u_minify(pt->height0, level));
162 tx->base.stride = tx->nblocksx * util_format_get_blocksize(pt->format);
163 tx->base.usage = usage;
164
165 tx->level_pitch = lvl->pitch;
166 tx->level_width = u_minify(mt->base.base.width0, level);
167 tx->level_height = u_minify(mt->base.base.height0, level);
168 tx->level_depth = u_minify(mt->base.base.depth0, level);
169 tx->level_offset = lvl->image_offset[image];
170 tx->level_tiling = lvl->tile_mode;
171 tx->level_z = boxz;
172 tx->level_x = util_format_get_nblocksx(pt->format, box->x);
173 tx->level_y = util_format_get_nblocksy(pt->format, box->y);
174 ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
175 tx->nblocksy * tx->base.stride, &tx->bo);
176 if (ret) {
177 FREE(tx);
178 return NULL;
179 }
180
181 if (usage & PIPE_TRANSFER_READ) {
182 nx = util_format_get_nblocksx(pt->format, box->width);
183 ny = util_format_get_nblocksy(pt->format, box->height);
184
185 nv50_transfer_rect_m2mf(pscreen, mt->base.bo, tx->level_offset,
186 tx->level_pitch, tx->level_tiling,
187 box->x, box->y, boxz,
188 tx->nblocksx, tx->nblocksy,
189 tx->level_depth,
190 tx->bo, 0,
191 tx->base.stride, tx->bo->tile_mode,
192 0, 0, 0,
193 tx->nblocksx, tx->nblocksy, 1,
194 util_format_get_blocksize(pt->format), nx, ny,
195 NOUVEAU_BO_VRAM | NOUVEAU_BO_GART,
196 NOUVEAU_BO_GART);
197 }
198
199 return &tx->base;
200 }
201
202 void
203 nv50_miptree_transfer_del(struct pipe_context *pcontext,
204 struct pipe_transfer *ptx)
205 {
206 struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
207 struct nv50_miptree *mt = nv50_miptree(ptx->resource);
208 struct pipe_resource *pt = ptx->resource;
209
210 unsigned nx = util_format_get_nblocksx(pt->format, tx->base.box.width);
211 unsigned ny = util_format_get_nblocksy(pt->format, tx->base.box.height);
212
213 if (ptx->usage & PIPE_TRANSFER_WRITE) {
214 struct pipe_screen *pscreen = pcontext->screen;
215
216 nv50_transfer_rect_m2mf(pscreen, tx->bo, 0,
217 tx->base.stride, tx->bo->tile_mode,
218 0, 0, 0,
219 tx->nblocksx, tx->nblocksy, 1,
220 mt->base.bo, tx->level_offset,
221 tx->level_pitch, tx->level_tiling,
222 tx->level_x, tx->level_y, tx->level_z,
223 tx->nblocksx, tx->nblocksy,
224 tx->level_depth,
225 util_format_get_blocksize(pt->format), nx, ny,
226 NOUVEAU_BO_GART, NOUVEAU_BO_VRAM |
227 NOUVEAU_BO_GART);
228 }
229
230 nouveau_bo_ref(NULL, &tx->bo);
231 pipe_resource_reference(&ptx->resource, NULL);
232 FREE(ptx);
233 }
234
235 void *
236 nv50_miptree_transfer_map(struct pipe_context *pcontext,
237 struct pipe_transfer *ptx)
238 {
239 struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
240 unsigned flags = 0;
241 int ret;
242
243 if (tx->map_refcnt++)
244 return tx->bo->map;
245
246 if (ptx->usage & PIPE_TRANSFER_WRITE)
247 flags |= NOUVEAU_BO_WR;
248 if (ptx->usage & PIPE_TRANSFER_READ)
249 flags |= NOUVEAU_BO_RD;
250
251 ret = nouveau_bo_map(tx->bo, flags);
252 if (ret) {
253 tx->map_refcnt = 0;
254 return NULL;
255 }
256 return tx->bo->map;
257 }
258
259 void
260 nv50_miptree_transfer_unmap(struct pipe_context *pcontext,
261 struct pipe_transfer *ptx)
262 {
263 struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
264
265 if (--tx->map_refcnt)
266 return;
267 nouveau_bo_unmap(tx->bo);
268 }
269
270
271 void
272 nv50_upload_sifc(struct nv50_context *nv50,
273 struct nouveau_bo *bo, unsigned dst_offset, unsigned reloc,
274 unsigned dst_format, int dst_w, int dst_h, int dst_pitch,
275 void *src, unsigned src_format, int src_pitch,
276 int x, int y, int w, int h, int cpp)
277 {
278 struct nouveau_channel *chan = nv50->screen->base.channel;
279 struct nouveau_grobj *eng2d = nv50->screen->eng2d;
280 unsigned line_dwords = (w * cpp + 3) / 4;
281
282 reloc |= NOUVEAU_BO_WR;
283
284 MARK_RING (chan, 32, 2); /* flush on lack of space or relocs */
285
286 if (nouveau_bo_tile_layout(bo)) {
287 BEGIN_RING(chan, eng2d, NV50_2D_DST_FORMAT, 5);
288 OUT_RING (chan, dst_format);
289 OUT_RING (chan, 0);
290 OUT_RING (chan, bo->tile_mode << 4);
291 OUT_RING (chan, 1);
292 OUT_RING (chan, 0);
293 } else {
294 BEGIN_RING(chan, eng2d, NV50_2D_DST_FORMAT, 2);
295 OUT_RING (chan, dst_format);
296 OUT_RING (chan, 1);
297 BEGIN_RING(chan, eng2d, NV50_2D_DST_PITCH, 1);
298 OUT_RING (chan, dst_pitch);
299 }
300
301 BEGIN_RING(chan, eng2d, NV50_2D_DST_WIDTH, 4);
302 OUT_RING (chan, dst_w);
303 OUT_RING (chan, dst_h);
304 OUT_RELOCh(chan, bo, dst_offset, reloc);
305 OUT_RELOCl(chan, bo, dst_offset, reloc);
306
307 /* NV50_2D_OPERATION_SRCCOPY assumed already set */
308
309 BEGIN_RING(chan, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
310 OUT_RING (chan, 0);
311 OUT_RING (chan, src_format);
312 BEGIN_RING(chan, eng2d, NV50_2D_SIFC_WIDTH, 10);
313 OUT_RING (chan, w);
314 OUT_RING (chan, h);
315 OUT_RING (chan, 0);
316 OUT_RING (chan, 1);
317 OUT_RING (chan, 0);
318 OUT_RING (chan, 1);
319 OUT_RING (chan, 0);
320 OUT_RING (chan, x);
321 OUT_RING (chan, 0);
322 OUT_RING (chan, y);
323
324 while (h--) {
325 const uint32_t *p = src;
326 unsigned count = line_dwords;
327
328 while (count) {
329 unsigned nr = MIN2(count, 1792);
330
331 if (AVAIL_RING(chan) <= nr) {
332 FIRE_RING (chan);
333
334 BEGIN_RING(chan, eng2d,
335 NV50_2D_DST_ADDRESS_HIGH, 2);
336 OUT_RELOCh(chan, bo, dst_offset, reloc);
337 OUT_RELOCl(chan, bo, dst_offset, reloc);
338 }
339 assert(AVAIL_RING(chan) > nr);
340
341 BEGIN_RING(chan, eng2d,
342 NV50_2D_SIFC_DATA | (2 << 29), nr);
343 OUT_RINGp (chan, p, nr);
344
345 p += nr;
346 count -= nr;
347 }
348
349 src = (uint8_t *) src + src_pitch;
350 }
351 }