nvc0_surface.c revision 883d8a0b449b53d83cc5970d2ce50df536aef55f
1/*
2 * Copyright 2008 Ben Skeggs
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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include <stdint.h>
24
25#include "pipe/p_defines.h"
26
27#include "util/u_inlines.h"
28#include "util/u_pack_color.h"
29#include "util/u_format.h"
30#include "util/u_surface.h"
31
32#include "nvc0_context.h"
33#include "nvc0_resource.h"
34#include "nvc0_transfer.h"
35
36#include "nv50/nv50_defs.xml.h"
37
38#define NVC0_ENG2D_SUPPORTED_FORMATS 0xff9ccfe1cce3ccc9ULL
39
40/* return TRUE for formats that can be converted among each other by NVC0_2D */
41static INLINE boolean
42nvc0_2d_format_faithful(enum pipe_format format)
43{
44   uint8_t id = nvc0_format_table[format].rt;
45
46   return (id >= 0xc0) && (NVC0_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0)));
47}
48
49static INLINE uint8_t
50nvc0_2d_format(enum pipe_format format)
51{
52   uint8_t id = nvc0_format_table[format].rt;
53
54   /* Hardware values for color formats range from 0xc0 to 0xff,
55    * but the 2D engine doesn't support all of them.
56    */
57   if (nvc0_2d_format_faithful(format))
58      return id;
59
60   switch (util_format_get_blocksize(format)) {
61   case 1:
62      return NV50_SURFACE_FORMAT_R8_UNORM;
63   case 2:
64      return NV50_SURFACE_FORMAT_R16_UNORM;
65   case 4:
66      return NV50_SURFACE_FORMAT_A8R8G8B8_UNORM;
67   case 8:
68      return NV50_SURFACE_FORMAT_R16G16B16A16_UNORM;
69   case 16:
70      return NV50_SURFACE_FORMAT_R32G32B32A32_FLOAT;
71   default:
72      return 0;
73   }
74}
75
76static int
77nvc0_2d_texture_set(struct nouveau_channel *chan, int dst,
78                    struct nvc0_miptree *mt, unsigned level, unsigned layer)
79{
80   struct nouveau_bo *bo = mt->base.bo;
81   uint32_t width, height, depth;
82   uint32_t format;
83   uint32_t mthd = dst ? NVC0_2D_DST_FORMAT : NVC0_2D_SRC_FORMAT;
84   uint32_t flags = mt->base.domain | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
85   uint32_t offset = mt->level[level].offset;
86
87   format = nvc0_2d_format(mt->base.base.format);
88   if (!format) {
89      NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
90                  util_format_name(mt->base.base.format));
91      return 1;
92   }
93
94   width = u_minify(mt->base.base.width0, level);
95   height = u_minify(mt->base.base.height0, level);
96   depth = u_minify(mt->base.base.depth0, level);
97
98   /* layer has to be < depth, and depth > tile depth / 2 */
99
100   if (!mt->layout_3d) {
101      offset += mt->layer_stride * layer;
102      layer = 0;
103      depth = 1;
104   } else
105   if (!dst) {
106      offset += nvc0_miptree_zslice_offset(mt, level, layer);
107      layer = 0;
108   }
109
110   if (!(bo->tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK)) {
111      BEGIN_RING(chan, RING_2D_(mthd), 2);
112      OUT_RING  (chan, format);
113      OUT_RING  (chan, 1);
114      BEGIN_RING(chan, RING_2D_(mthd + 0x14), 5);
115      OUT_RING  (chan, mt->level[level].pitch);
116      OUT_RING  (chan, width);
117      OUT_RING  (chan, height);
118      OUT_RELOCh(chan, bo, offset, flags);
119      OUT_RELOCl(chan, bo, offset, flags);
120   } else {
121      BEGIN_RING(chan, RING_2D_(mthd), 5);
122      OUT_RING  (chan, format);
123      OUT_RING  (chan, 0);
124      OUT_RING  (chan, mt->level[level].tile_mode);
125      OUT_RING  (chan, depth);
126      OUT_RING  (chan, layer);
127      BEGIN_RING(chan, RING_2D_(mthd + 0x18), 4);
128      OUT_RING  (chan, width);
129      OUT_RING  (chan, height);
130      OUT_RELOCh(chan, bo, offset, flags);
131      OUT_RELOCl(chan, bo, offset, flags);
132   }
133
134#if 0
135   if (dst) {
136      BEGIN_RING(chan, RING_2D_(NVC0_2D_CLIP_X), 4);
137      OUT_RING  (chan, 0);
138      OUT_RING  (chan, 0);
139      OUT_RING  (chan, width);
140      OUT_RING  (chan, height);
141   }
142#endif
143   return 0;
144}
145
146static int
147nvc0_2d_texture_do_copy(struct nouveau_channel *chan,
148                        struct nvc0_miptree *dst, unsigned dst_level,
149                        unsigned dx, unsigned dy, unsigned dz,
150                        struct nvc0_miptree *src, unsigned src_level,
151                        unsigned sx, unsigned sy, unsigned sz,
152                        unsigned w, unsigned h)
153{
154   int ret;
155
156   ret = MARK_RING(chan, 2 * 16 + 32, 4);
157   if (ret)
158      return ret;
159
160   ret = nvc0_2d_texture_set(chan, 1, dst, dst_level, dz);
161   if (ret)
162      return ret;
163
164   ret = nvc0_2d_texture_set(chan, 0, src, src_level, sz);
165   if (ret)
166      return ret;
167
168   /* 0/1 = CENTER/CORNER, 10/00 = POINT/BILINEAR */
169   BEGIN_RING(chan, RING_2D(BLIT_CONTROL), 1);
170   OUT_RING  (chan, 0);
171   BEGIN_RING(chan, RING_2D(BLIT_DST_X), 4);
172   OUT_RING  (chan, dx);
173   OUT_RING  (chan, dy);
174   OUT_RING  (chan, w);
175   OUT_RING  (chan, h);
176   BEGIN_RING(chan, RING_2D(BLIT_DU_DX_FRACT), 4);
177   OUT_RING  (chan, 0);
178   OUT_RING  (chan, 1);
179   OUT_RING  (chan, 0);
180   OUT_RING  (chan, 1);
181   BEGIN_RING(chan, RING_2D(BLIT_SRC_X_FRACT), 4);
182   OUT_RING  (chan, 0);
183   OUT_RING  (chan, sx);
184   OUT_RING  (chan, 0);
185   OUT_RING  (chan, sy);
186
187   return 0;
188}
189
190static void
191nvc0_setup_m2mf_rect(struct nvc0_m2mf_rect *rect,
192                     struct pipe_resource *restrict res, unsigned l,
193                     unsigned x, unsigned y, unsigned z)
194{
195   struct nvc0_miptree *mt = nvc0_miptree(res);
196   const unsigned w = u_minify(res->width0, l);
197   const unsigned h = u_minify(res->height0, l);
198
199   rect->bo = mt->base.bo;
200   rect->domain = mt->base.domain;
201   rect->base = mt->level[l].offset;
202   rect->pitch = mt->level[l].pitch;
203   if (util_format_is_plain(res->format)) {
204      rect->width = w;
205      rect->height = h;
206      rect->x = x;
207      rect->y = y;
208   } else {
209      rect->width = util_format_get_nblocksx(res->format, w);
210      rect->height = util_format_get_nblocksy(res->format, h);
211      rect->x = util_format_get_nblocksx(res->format, x);
212      rect->y = util_format_get_nblocksy(res->format, y);
213   }
214   rect->tile_mode = mt->level[l].tile_mode;
215   rect->cpp = util_format_get_blocksize(res->format);
216
217   if (mt->layout_3d) {
218      rect->z = z;
219      rect->depth = u_minify(res->depth0, l);
220   } else {
221      rect->base += z * mt->layer_stride;
222      rect->z = 0;
223      rect->depth = 1;
224   }
225}
226
227static void
228nvc0_resource_copy_region(struct pipe_context *pipe,
229                          struct pipe_resource *dst, unsigned dst_level,
230                          unsigned dstx, unsigned dsty, unsigned dstz,
231                          struct pipe_resource *src, unsigned src_level,
232                          const struct pipe_box *src_box)
233{
234   struct nvc0_screen *screen = nvc0_context(pipe)->screen;
235   int ret;
236   unsigned dst_layer = dstz, src_layer = src_box->z;
237
238   /* Fallback for buffers. */
239   if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
240      util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
241                                src, src_level, src_box);
242      return;
243   }
244
245   nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
246
247   if (src->format == dst->format) {
248      struct nvc0_m2mf_rect drect, srect;
249      unsigned i;
250      unsigned nx = util_format_get_nblocksx(src->format, src_box->width);
251      unsigned ny = util_format_get_nblocksy(src->format, src_box->height);
252
253      nvc0_setup_m2mf_rect(&drect, dst, dst_level, dstx, dsty, dstz);
254      nvc0_setup_m2mf_rect(&srect, src, src_level,
255                           src_box->x, src_box->y, src_box->z);
256
257      for (i = 0; i < src_box->depth; ++i) {
258         nvc0_m2mf_transfer_rect(&screen->base.base, &drect, &srect, nx, ny);
259
260         if (nvc0_miptree(dst)->layout_3d)
261            drect.z++;
262         else
263            drect.base += nvc0_miptree(dst)->layer_stride;
264
265         if (nvc0_miptree(src)->layout_3d)
266            srect.z++;
267         else
268            srect.base += nvc0_miptree(src)->layer_stride;
269      }
270      return;
271   }
272
273   assert(nvc0_2d_format_faithful(src->format));
274   assert(nvc0_2d_format_faithful(dst->format));
275
276   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
277      ret = nvc0_2d_texture_do_copy(screen->base.channel,
278                                    nvc0_miptree(dst), dst_level,
279                                    dstx, dsty, dst_layer,
280                                    nvc0_miptree(src), src_level,
281                                    src_box->x, src_box->y, src_layer,
282                                    src_box->width, src_box->height);
283      if (ret)
284         return;
285   }
286}
287
288static void
289nvc0_clear_render_target(struct pipe_context *pipe,
290                         struct pipe_surface *dst,
291                         const float *rgba,
292                         unsigned dstx, unsigned dsty,
293                         unsigned width, unsigned height)
294{
295	struct nvc0_context *nv50 = nvc0_context(pipe);
296	struct nvc0_screen *screen = nv50->screen;
297	struct nouveau_channel *chan = screen->base.channel;
298	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
299	struct nvc0_surface *sf = nvc0_surface(dst);
300	struct nouveau_bo *bo = mt->base.bo;
301
302	BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
303	OUT_RINGf (chan, rgba[0]);
304	OUT_RINGf (chan, rgba[1]);
305	OUT_RINGf (chan, rgba[2]);
306	OUT_RINGf (chan, rgba[3]);
307
308	if (MARK_RING(chan, 18, 2))
309		return;
310
311	BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
312	OUT_RING  (chan, 1);
313	BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 9);
314	OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
315	OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
316	OUT_RING  (chan, sf->width);
317	OUT_RING  (chan, sf->height);
318	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
319	OUT_RING  (chan, (mt->layout_3d << 16) |
320              mt->level[sf->base.u.tex.level].tile_mode);
321	OUT_RING  (chan, dst->u.tex.first_layer + sf->depth);
322	OUT_RING  (chan, mt->layer_stride >> 2);
323	OUT_RING  (chan, dst->u.tex.first_layer);
324
325	BEGIN_RING(chan, RING_3D(CLIP_RECT_HORIZ(0)), 2);
326	OUT_RING  (chan, ((dstx + width) << 16) | dstx);
327	OUT_RING  (chan, ((dsty + height) << 16) | dsty);
328	IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 1);
329
330	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
331	OUT_RING  (chan, 0x3c);
332
333	IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 0);
334
335	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
336}
337
338static void
339nvc0_clear_depth_stencil(struct pipe_context *pipe,
340                         struct pipe_surface *dst,
341                         unsigned clear_flags,
342                         double depth,
343                         unsigned stencil,
344                         unsigned dstx, unsigned dsty,
345                         unsigned width, unsigned height)
346{
347	struct nvc0_context *nv50 = nvc0_context(pipe);
348	struct nvc0_screen *screen = nv50->screen;
349	struct nouveau_channel *chan = screen->base.channel;
350	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
351	struct nvc0_surface *sf = nvc0_surface(dst);
352	struct nouveau_bo *bo = mt->base.bo;
353	uint32_t mode = 0;
354	int unk = mt->base.base.target == PIPE_TEXTURE_2D;
355
356	if (clear_flags & PIPE_CLEAR_DEPTH) {
357		BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
358		OUT_RINGf (chan, depth);
359		mode |= NVC0_3D_CLEAR_BUFFERS_Z;
360	}
361
362	if (clear_flags & PIPE_CLEAR_STENCIL) {
363		BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
364		OUT_RING  (chan, stencil & 0xff);
365		mode |= NVC0_3D_CLEAR_BUFFERS_S;
366	}
367
368	if (MARK_RING(chan, 17, 2))
369		return;
370
371	BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
372	OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
373	OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
374	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
375	OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
376	OUT_RING  (chan, mt->layer_stride >> 2);
377	BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
378	OUT_RING  (chan, 1);
379	BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
380	OUT_RING  (chan, sf->width);
381	OUT_RING  (chan, sf->height);
382	OUT_RING  (chan, (unk << 16) | (dst->u.tex.first_layer + sf->depth));
383	BEGIN_RING(chan, RING_3D(ZETA_BASE_LAYER), 1);
384	OUT_RING  (chan, dst->u.tex.first_layer);
385
386	BEGIN_RING(chan, RING_3D(CLIP_RECT_HORIZ(0)), 2);
387	OUT_RING  (chan, ((dstx + width) << 16) | dstx);
388	OUT_RING  (chan, ((dsty + height) << 16) | dsty);
389	IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 1);
390
391	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
392	OUT_RING  (chan, mode);
393
394	IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 0);
395
396	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
397}
398
399void
400nvc0_clear(struct pipe_context *pipe, unsigned buffers,
401           const float *rgba, double depth, unsigned stencil)
402{
403   struct nvc0_context *nvc0 = nvc0_context(pipe);
404   struct nouveau_channel *chan = nvc0->screen->base.channel;
405   struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
406   unsigned i;
407   const unsigned dirty = nvc0->dirty;
408   uint32_t mode = 0;
409
410   /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
411   nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
412   if (!nvc0_state_validate(nvc0))
413      return;
414
415   if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
416      BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
417      OUT_RINGf (chan, rgba[0]);
418      OUT_RINGf (chan, rgba[1]);
419      OUT_RINGf (chan, rgba[2]);
420      OUT_RINGf (chan, rgba[3]);
421      mode =
422         NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
423         NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
424   }
425
426   if (buffers & PIPE_CLEAR_DEPTH) {
427      BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
428      OUT_RING  (chan, fui(depth));
429      mode |= NVC0_3D_CLEAR_BUFFERS_Z;
430   }
431
432   if (buffers & PIPE_CLEAR_STENCIL) {
433      BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
434      OUT_RING  (chan, stencil & 0xff);
435      mode |= NVC0_3D_CLEAR_BUFFERS_S;
436   }
437
438   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
439   OUT_RING  (chan, mode);
440
441   for (i = 1; i < fb->nr_cbufs; i++) {
442      BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
443      OUT_RING  (chan, (i << 6) | 0x3c);
444   }
445
446   nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
447}
448
449void
450nvc0_init_surface_functions(struct nvc0_context *nvc0)
451{
452   struct pipe_context *pipe = &nvc0->base.pipe;
453
454   pipe->resource_copy_region = nvc0_resource_copy_region;
455   pipe->clear_render_target = nvc0_clear_render_target;
456   pipe->clear_depth_stencil = nvc0_clear_depth_stencil;
457}
458
459
460