nv50_surface.c revision 1ba8e9510812f155359d380bda6876cdee5ba21e 
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
31#include "nv50_context.h"
32#include "nv50_resource.h"
33
34#include "nv50_defs.xml.h"
35
36/* return TRUE for formats that can be converted among each other by NV50_2D */
37static INLINE boolean
38nv50_2d_format_faithful(enum pipe_format format)
39{
40   switch (format) {
41   case PIPE_FORMAT_B8G8R8A8_UNORM:
42   case PIPE_FORMAT_B8G8R8X8_UNORM:
43   case PIPE_FORMAT_B8G8R8A8_SRGB:
44   case PIPE_FORMAT_B8G8R8X8_SRGB:
45   case PIPE_FORMAT_B5G6R5_UNORM:
46   case PIPE_FORMAT_B5G5R5A1_UNORM:
47   case PIPE_FORMAT_B10G10R10A2_UNORM:
48   case PIPE_FORMAT_R8_UNORM:
49   case PIPE_FORMAT_R32G32B32A32_FLOAT:
50   case PIPE_FORMAT_R32G32B32_FLOAT:
51      return TRUE;
52   default:
53      return FALSE;
54   }
55}
56
57static INLINE uint8_t
58nv50_2d_format(enum pipe_format format)
59{
60   uint8_t id = nv50_format_table[format].rt;
61
62   /* Hardware values for color formats range from 0xc0 to 0xff,
63    * but the 2D engine doesn't support all of them.
64    */
65   if ((id >= 0xc0) && (0xff0843e080608409ULL & (1ULL << (id - 0xc0))))
66      return id;
67
68   switch (util_format_get_blocksize(format)) {
69   case 1:
70      return NV50_SURFACE_FORMAT_R8_UNORM;
71   case 2:
72      return NV50_SURFACE_FORMAT_R16_UNORM;
73   case 4:
74      return NV50_SURFACE_FORMAT_A8R8G8B8_UNORM;
75   default:
76      return 0;
77   }
78}
79
80static int
81nv50_2d_texture_set(struct nouveau_channel *chan, int dst,
82                    struct nv50_miptree *mt, unsigned level, unsigned layer)
83{
84   struct nouveau_bo *bo = mt->base.bo;
85   uint32_t width, height, depth;
86   uint32_t format;
87   uint32_t mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
88   uint32_t flags = mt->base.domain | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
89   uint32_t offset = mt->level[level].offset;
90
91   format = nv50_2d_format(mt->base.base.format);
92   if (!format) {
93      NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
94                  util_format_name(mt->base.base.format));
95      return 1;
96   }
97
98   width = u_minify(mt->base.base.width0, level);
99   height = u_minify(mt->base.base.height0, level);
100
101   offset = mt->level[level].offset;
102   if (!mt->layout_3d) {
103      offset += mt->layer_stride * layer;
104      depth = 1;
105      layer = 0;
106   } else {
107      depth = u_minify(mt->base.base.depth0, level);
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 << 4);
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_(NV50_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
147nv50_2d_texture_do_copy(struct nouveau_channel *chan,
148                        struct nv50_miptree *dst, unsigned dst_level,
149                        unsigned dx, unsigned dy, unsigned dz,
150                        struct nv50_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 = nv50_2d_texture_set(chan, 1, dst, dst_level, dz);
161   if (ret)
162      return ret;
163
164   ret = nv50_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
191nv50_resource_copy_region(struct pipe_context *pipe,
192                          struct pipe_resource *dst, unsigned dst_level,
193                          unsigned dstx, unsigned dsty, unsigned dstz,
194                          struct pipe_resource *src, unsigned src_level,
195                          const struct pipe_box *src_box)
196{
197   struct nv50_screen *screen = nv50_context(pipe)->screen;
198   int ret;
199   unsigned dst_layer = dstz, src_layer = src_box->z;
200
201   assert((src->format == dst->format) ||
202          (nv50_2d_format_faithful(src->format) &&
203           nv50_2d_format_faithful(dst->format)));
204
205   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
206      ret = nv50_2d_texture_do_copy(screen->base.channel,
207                                    nv50_miptree(dst), dst_level,
208                                    dstx, dsty, dst_layer,
209                                    nv50_miptree(src), src_level,
210                                    src_box->x, src_box->y, src_layer,
211                                    src_box->width, src_box->height);
212      if (ret)
213         return;
214   }
215}
216
217static void
218nv50_clear_render_target(struct pipe_context *pipe,
219                         struct pipe_surface *dst,
220                         const float *rgba,
221                         unsigned dstx, unsigned dsty,
222                         unsigned width, unsigned height)
223{
224   struct nv50_context *nv50 = nv50_context(pipe);
225   struct nv50_screen *screen = nv50->screen;
226   struct nouveau_channel *chan = screen->base.channel;
227   struct nv50_miptree *mt = nv50_miptree(dst->texture);
228   struct nv50_surface *sf = nv50_surface(dst);
229   struct nouveau_bo *bo = mt->base.bo;
230
231   BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
232   OUT_RINGf (chan, rgba[0]);
233   OUT_RINGf (chan, rgba[1]);
234   OUT_RINGf (chan, rgba[2]);
235   OUT_RINGf (chan, rgba[3]);
236
237   if (MARK_RING(chan, 18, 2))
238      return;
239
240   BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
241   OUT_RING  (chan, 1);
242   BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 5);
243   OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
244   OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
245   OUT_RING  (chan, nv50_format_table[dst->format].rt);
246   OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode << 4);
247   OUT_RING  (chan, 0);
248   BEGIN_RING(chan, RING_3D(RT_HORIZ(0)), 2);
249   OUT_RING  (chan, sf->width);
250   OUT_RING  (chan, sf->height);
251   BEGIN_RING(chan, RING_3D(RT_ARRAY_MODE), 1);
252   OUT_RING  (chan, 1);
253
254   /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
255
256   BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
257   OUT_RING  (chan, (width << 16) | dstx);
258   OUT_RING  (chan, (height << 16) | dsty);
259
260   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
261   OUT_RING  (chan, 0x3c);
262
263   nv50->dirty |= NV50_NEW_FRAMEBUFFER;
264}
265
266static void
267nv50_clear_depth_stencil(struct pipe_context *pipe,
268                         struct pipe_surface *dst,
269                         unsigned clear_flags,
270                         double depth,
271                         unsigned stencil,
272                         unsigned dstx, unsigned dsty,
273                         unsigned width, unsigned height)
274{
275   struct nv50_context *nv50 = nv50_context(pipe);
276   struct nv50_screen *screen = nv50->screen;
277   struct nouveau_channel *chan = screen->base.channel;
278   struct nv50_miptree *mt = nv50_miptree(dst->texture);
279   struct nv50_surface *sf = nv50_surface(dst);
280   struct nouveau_bo *bo = mt->base.bo;
281   uint32_t mode = 0;
282
283   if (clear_flags & PIPE_CLEAR_DEPTH) {
284      BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
285      OUT_RINGf (chan, depth);
286      mode |= NV50_3D_CLEAR_BUFFERS_Z;
287   }
288
289   if (clear_flags & PIPE_CLEAR_STENCIL) {
290      BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
291      OUT_RING  (chan, stencil & 0xff);
292      mode |= NV50_3D_CLEAR_BUFFERS_S;
293   }
294
295   if (MARK_RING(chan, 17, 2))
296      return;
297
298   BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
299   OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
300   OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
301   OUT_RING  (chan, nv50_format_table[dst->format].rt);
302   OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode << 4);
303   OUT_RING  (chan, 0);
304   BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
305   OUT_RING  (chan, 1);
306   BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
307   OUT_RING  (chan, sf->width);
308   OUT_RING  (chan, sf->height);
309   OUT_RING  (chan, (1 << 16) | 1);
310
311   BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
312   OUT_RING  (chan, (width << 16) | dstx);
313   OUT_RING  (chan, (height << 16) | dsty);
314
315   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
316   OUT_RING  (chan, mode);
317
318   nv50->dirty |= NV50_NEW_FRAMEBUFFER;
319}
320
321void
322nv50_clear(struct pipe_context *pipe, unsigned buffers,
323           const float *rgba, double depth, unsigned stencil)
324{
325   struct nv50_context *nv50 = nv50_context(pipe);
326   struct nouveau_channel *chan = nv50->screen->base.channel;
327   struct pipe_framebuffer_state *fb = &nv50->framebuffer;
328   unsigned i;
329   const unsigned dirty = nv50->dirty;
330   uint32_t mode = 0;
331
332   /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
333   nv50->dirty &= NV50_NEW_FRAMEBUFFER;
334   if (!nv50_state_validate(nv50))
335      return;
336
337   if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
338      BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
339      OUT_RINGf (chan, rgba[0]);
340      OUT_RINGf (chan, rgba[1]);
341      OUT_RINGf (chan, rgba[2]);
342      OUT_RINGf (chan, rgba[3]);
343      mode =
344         NV50_3D_CLEAR_BUFFERS_R | NV50_3D_CLEAR_BUFFERS_G |
345         NV50_3D_CLEAR_BUFFERS_B | NV50_3D_CLEAR_BUFFERS_A;
346   }
347
348   if (buffers & PIPE_CLEAR_DEPTH) {
349      BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
350      OUT_RING  (chan, fui(depth));
351      mode |= NV50_3D_CLEAR_BUFFERS_Z;
352   }
353
354   if (buffers & PIPE_CLEAR_STENCIL) {
355      BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
356      OUT_RING  (chan, stencil & 0xff);
357      mode |= NV50_3D_CLEAR_BUFFERS_S;
358   }
359
360   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
361   OUT_RING  (chan, mode);
362
363   for (i = 1; i < fb->nr_cbufs; i++) {
364      BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
365      OUT_RING  (chan, (i << 6) | 0x3c);
366   }
367
368   nv50->dirty = dirty & ~NV50_NEW_FRAMEBUFFER;
369}
370
371void
372nv50_init_surface_functions(struct nv50_context *nv50)
373{
374   struct pipe_context *pipe = &nv50->base.pipe;
375
376   pipe->resource_copy_region = nv50_resource_copy_region;
377   pipe->clear_render_target = nv50_clear_render_target;
378   pipe->clear_depth_stencil = nv50_clear_depth_stencil;
379}
380
381
382