nvc0_surface.c revision ca5deb0c355cc4a120b754a228ff5f51007fbcea 
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 "nvc0_context.h"
32#include "nvc0_resource.h"
33
34#include "nv50_defs.xml.h"
35
36/* return TRUE for formats that can be converted among each other by NVC0_2D */
37static INLINE boolean
38nvc0_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
58nvc0_2d_format(enum pipe_format format)
59{
60   uint8_t id = nvc0_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
81nvc0_2d_texture_set(struct nouveau_channel *chan, int dst,
82                    struct nvc0_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 ? NVC0_2D_DST_FORMAT : NVC0_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 = nvc0_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);
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_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 nvc0_screen *screen = nvc0_context(pipe)->screen;
198   int ret;
199   unsigned dst_layer = dstz, src_layer = src_box->z;
200
201   assert((src->format == dst->format) ||
202          (nvc0_2d_format_faithful(src->format) &&
203           nvc0_2d_format_faithful(dst->format)));
204
205   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
206      ret = nvc0_2d_texture_do_copy(screen->base.channel,
207                                    nvc0_miptree(dst), dst_level,
208                                    dstx, dsty, dst_layer,
209                                    nvc0_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
218nvc0_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 nvc0_context *nv50 = nvc0_context(pipe);
225	struct nvc0_screen *screen = nv50->screen;
226	struct nouveau_channel *chan = screen->base.channel;
227	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
228	struct nvc0_surface *sf = nvc0_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)), 8);
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, sf->width);
246	OUT_RING  (chan, sf->height);
247	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
248	OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
249	OUT_RING  (chan, 1);
250	OUT_RING  (chan, 0);
251
252	/* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
253
254	BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
255	OUT_RING  (chan, (width << 16) | dstx);
256	OUT_RING  (chan, (height << 16) | dsty);
257
258	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
259	OUT_RING  (chan, 0x3c);
260
261	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
262}
263
264static void
265nvc0_clear_depth_stencil(struct pipe_context *pipe,
266                         struct pipe_surface *dst,
267                         unsigned clear_flags,
268                         double depth,
269                         unsigned stencil,
270                         unsigned dstx, unsigned dsty,
271                         unsigned width, unsigned height)
272{
273	struct nvc0_context *nv50 = nvc0_context(pipe);
274	struct nvc0_screen *screen = nv50->screen;
275	struct nouveau_channel *chan = screen->base.channel;
276	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
277	struct nvc0_surface *sf = nvc0_surface(dst);
278	struct nouveau_bo *bo = mt->base.bo;
279	uint32_t mode = 0;
280
281	if (clear_flags & PIPE_CLEAR_DEPTH) {
282		BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
283		OUT_RINGf (chan, depth);
284		mode |= NVC0_3D_CLEAR_BUFFERS_Z;
285	}
286
287	if (clear_flags & PIPE_CLEAR_STENCIL) {
288		BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
289		OUT_RING  (chan, stencil & 0xff);
290		mode |= NVC0_3D_CLEAR_BUFFERS_S;
291	}
292
293	if (MARK_RING(chan, 17, 2))
294		return;
295
296	BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
297	OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
298	OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
299	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
300	OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
301	OUT_RING  (chan, 0);
302	BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
303	OUT_RING  (chan, 1);
304	BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
305	OUT_RING  (chan, sf->width);
306	OUT_RING  (chan, sf->height);
307	OUT_RING  (chan, (1 << 16) | 1);
308
309	BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
310	OUT_RING  (chan, (width << 16) | dstx);
311	OUT_RING  (chan, (height << 16) | dsty);
312
313	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
314	OUT_RING  (chan, mode);
315
316	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
317}
318
319void
320nvc0_clear(struct pipe_context *pipe, unsigned buffers,
321           const float *rgba, double depth, unsigned stencil)
322{
323   struct nvc0_context *nvc0 = nvc0_context(pipe);
324   struct nouveau_channel *chan = nvc0->screen->base.channel;
325   struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
326   unsigned i;
327   const unsigned dirty = nvc0->dirty;
328   uint32_t mode = 0;
329
330   /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
331   nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
332   if (!nvc0_state_validate(nvc0))
333      return;
334
335   if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
336      BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
337      OUT_RINGf (chan, rgba[0]);
338      OUT_RINGf (chan, rgba[1]);
339      OUT_RINGf (chan, rgba[2]);
340      OUT_RINGf (chan, rgba[3]);
341      mode =
342         NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
343         NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
344   }
345
346   if (buffers & PIPE_CLEAR_DEPTH) {
347      BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
348      OUT_RING  (chan, fui(depth));
349      mode |= NVC0_3D_CLEAR_BUFFERS_Z;
350   }
351
352   if (buffers & PIPE_CLEAR_STENCIL) {
353      BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
354      OUT_RING  (chan, stencil & 0xff);
355      mode |= NVC0_3D_CLEAR_BUFFERS_S;
356   }
357
358   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
359   OUT_RING  (chan, mode);
360
361   for (i = 1; i < fb->nr_cbufs; i++) {
362      BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
363      OUT_RING  (chan, (i << 6) | 0x3c);
364   }
365
366   nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
367}
368
369void
370nvc0_init_surface_functions(struct nvc0_context *nvc0)
371{
372	nvc0->pipe.resource_copy_region = nvc0_resource_copy_region;
373	nvc0->pipe.clear_render_target = nvc0_clear_render_target;
374	nvc0->pipe.clear_depth_stencil = nvc0_clear_depth_stencil;
375}
376
377
378