2 * Copyright 2008 Ben Skeggs
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #include "pipe/p_state.h"
24 #include "pipe/p_defines.h"
25 #include "util/u_inlines.h"
26 #include "util/format/u_format.h"
28 #include "nv50/nv50_context.h"
29 #include "nv50/nv50_resource.h"
32 nv50_tex_choose_tile_dims_helper(unsigned nx, unsigned ny, unsigned nz,
35 uint32_t tile_mode = 0x000;
37 if (ny > 64) tile_mode = 0x040; /* height 128 tiles */
39 if (ny > 32) tile_mode = 0x030; /* height 64 tiles */
41 if (ny > 16) tile_mode = 0x020; /* height 32 tiles */
43 if (ny > 8) tile_mode = 0x010; /* height 16 tiles */
48 if (tile_mode > 0x020)
51 if (nz > 16 && tile_mode < 0x020)
52 return tile_mode | 0x500; /* depth 32 tiles */
53 if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */
54 if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */
55 if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */
56 if (nz > 1) return tile_mode | 0x100; /* depth 2 tiles */
62 nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz, bool is_3d)
64 return nv50_tex_choose_tile_dims_helper(nx, ny * 2, nz, is_3d);
68 nv50_mt_choose_storage_type(struct nv50_miptree *mt, bool compressed)
70 const unsigned ms = util_logbase2(mt->base.base.nr_samples);
73 if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR))
75 if (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR))
78 switch (mt->base.base.format) {
79 case PIPE_FORMAT_Z16_UNORM:
80 tile_flags = 0x6c + ms;
82 case PIPE_FORMAT_X8Z24_UNORM:
83 case PIPE_FORMAT_S8X24_UINT:
84 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
85 tile_flags = 0x18 + ms;
87 case PIPE_FORMAT_X24S8_UINT:
88 case PIPE_FORMAT_Z24X8_UNORM:
89 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
90 tile_flags = 0x128 + ms;
92 case PIPE_FORMAT_Z32_FLOAT:
93 tile_flags = 0x40 + ms;
95 case PIPE_FORMAT_X32_S8X24_UINT:
96 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
97 tile_flags = 0x60 + ms;
100 /* Most color formats don't work with compression. */
103 case PIPE_FORMAT_R8G8B8A8_UNORM:
104 case PIPE_FORMAT_R8G8B8A8_SRGB:
105 case PIPE_FORMAT_R8G8B8X8_UNORM:
106 case PIPE_FORMAT_R8G8B8X8_SRGB:
107 case PIPE_FORMAT_B8G8R8A8_UNORM:
108 case PIPE_FORMAT_B8G8R8A8_SRGB:
109 case PIPE_FORMAT_B8G8R8X8_UNORM:
110 case PIPE_FORMAT_B8G8R8X8_SRGB:
111 case PIPE_FORMAT_R10G10B10A2_UNORM:
112 case PIPE_FORMAT_B10G10R10A2_UNORM:
113 case PIPE_FORMAT_R16G16B16A16_FLOAT:
114 case PIPE_FORMAT_R16G16B16X16_FLOAT:
115 case PIPE_FORMAT_R11G11B10_FLOAT:
116 switch (util_format_get_blocksizebits(mt->base.base.format)) {
123 case 2: tile_flags = 0xfc; break;
124 case 3: tile_flags = 0xfd; break;
131 if (mt->base.base.bind & PIPE_BIND_SCANOUT) {
136 case 2: tile_flags = 0xf8; break;
137 case 3: tile_flags = 0xf9; break;
151 if (mt->base.base.bind & PIPE_BIND_CURSOR)
156 tile_flags &= ~0x180;
162 nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
164 struct nv50_miptree *mt = nv50_miptree(pt);
166 if (mt->base.fence && mt->base.fence->state < NOUVEAU_FENCE_STATE_FLUSHED)
167 nouveau_fence_work(mt->base.fence, nouveau_fence_unref_bo, mt->base.bo);
169 nouveau_bo_ref(NULL, &mt->base.bo);
171 nouveau_fence_ref(NULL, &mt->base.fence);
172 nouveau_fence_ref(NULL, &mt->base.fence_wr);
174 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, -1);
175 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_bytes,
176 -(uint64_t)mt->total_size);
182 nv50_miptree_get_handle(struct pipe_screen *pscreen,
183 struct pipe_resource *pt,
184 struct winsys_handle *whandle)
186 struct nv50_miptree *mt = nv50_miptree(pt);
189 if (!mt || !mt->base.bo)
192 stride = mt->level[0].pitch;
194 return nouveau_screen_bo_get_handle(pscreen,
200 const struct u_resource_vtbl nv50_miptree_vtbl =
202 nv50_miptree_get_handle, /* get_handle */
203 nv50_miptree_destroy, /* resource_destroy */
204 nv50_miptree_transfer_map, /* transfer_map */
205 u_default_transfer_flush_region, /* transfer_flush_region */
206 nv50_miptree_transfer_unmap, /* transfer_unmap */
210 nv50_miptree_init_ms_mode(struct nv50_miptree *mt)
212 switch (mt->base.base.nr_samples) {
214 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS8;
219 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS4;
224 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS2;
229 mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS1;
232 NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples);
239 nv50_miptree_init_layout_linear(struct nv50_miptree *mt, unsigned pitch_align)
241 struct pipe_resource *pt = &mt->base.base;
242 const unsigned blocksize = util_format_get_blocksize(pt->format);
243 unsigned h = pt->height0;
245 if (util_format_is_depth_or_stencil(pt->format))
248 if ((pt->last_level > 0) || (pt->depth0 > 1) || (pt->array_size > 1))
250 if (mt->ms_x | mt->ms_y)
253 mt->level[0].pitch = align(pt->width0 * blocksize, pitch_align);
255 /* Account for very generous prefetch (allocate size as if tiled). */
257 h = util_next_power_of_two(h);
259 mt->total_size = mt->level[0].pitch * h;
265 nv50_miptree_init_layout_video(struct nv50_miptree *mt)
267 const struct pipe_resource *pt = &mt->base.base;
268 const unsigned blocksize = util_format_get_blocksize(pt->format);
270 assert(pt->last_level == 0);
271 assert(mt->ms_x == 0 && mt->ms_y == 0);
272 assert(!util_format_is_compressed(pt->format));
274 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
276 mt->level[0].tile_mode = 0x20;
277 mt->level[0].pitch = align(pt->width0 * blocksize, 64);
278 mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
280 if (pt->array_size > 1) {
281 mt->layer_stride = align(mt->total_size, NV50_TILE_SIZE(0x20));
282 mt->total_size = mt->layer_stride * pt->array_size;
287 nv50_miptree_init_layout_tiled(struct nv50_miptree *mt)
289 struct pipe_resource *pt = &mt->base.base;
291 const unsigned blocksize = util_format_get_blocksize(pt->format);
293 mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
295 w = pt->width0 << mt->ms_x;
296 h = pt->height0 << mt->ms_y;
298 /* For 3D textures, a mipmap is spanned by all the layers, for array
299 * textures and cube maps, each layer contains its own mipmaps.
301 d = mt->layout_3d ? pt->depth0 : 1;
303 for (l = 0; l <= pt->last_level; ++l) {
304 struct nv50_miptree_level *lvl = &mt->level[l];
305 unsigned tsx, tsy, tsz;
306 unsigned nbx = util_format_get_nblocksx(pt->format, w);
307 unsigned nby = util_format_get_nblocksy(pt->format, h);
309 lvl->offset = mt->total_size;
311 lvl->tile_mode = nv50_tex_choose_tile_dims(nbx, nby, d, mt->layout_3d);
313 tsx = NV50_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */
314 tsy = NV50_TILE_SIZE_Y(lvl->tile_mode);
315 tsz = NV50_TILE_SIZE_Z(lvl->tile_mode);
317 lvl->pitch = align(nbx * blocksize, tsx);
319 mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz);
326 if (pt->array_size > 1) {
327 mt->layer_stride = align(mt->total_size,
328 NV50_TILE_SIZE(mt->level[0].tile_mode));
329 mt->total_size = mt->layer_stride * pt->array_size;
333 struct pipe_resource *
334 nv50_miptree_create(struct pipe_screen *pscreen,
335 const struct pipe_resource *templ)
337 struct nouveau_device *dev = nouveau_screen(pscreen)->device;
338 struct nouveau_drm *drm = nouveau_screen(pscreen)->drm;
339 struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
340 struct pipe_resource *pt = &mt->base.base;
341 bool compressed = drm->version >= 0x01000101;
343 union nouveau_bo_config bo_config;
345 unsigned pitch_align;
350 mt->base.vtbl = &nv50_miptree_vtbl;
352 pipe_reference_init(&pt->reference, 1);
353 pt->screen = pscreen;
355 if (pt->bind & PIPE_BIND_LINEAR)
356 pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
358 bo_config.nv50.memtype = nv50_mt_choose_storage_type(mt, compressed);
360 if (!nv50_miptree_init_ms_mode(mt)) {
365 if (unlikely(pt->flags & NV50_RESOURCE_FLAG_VIDEO)) {
366 nv50_miptree_init_layout_video(mt);
367 if (pt->flags & NV50_RESOURCE_FLAG_NOALLOC) {
368 /* BO allocation done by client */
372 if (bo_config.nv50.memtype != 0) {
373 nv50_miptree_init_layout_tiled(mt);
375 if (pt->usage & PIPE_BIND_CURSOR)
377 else if (pt->usage & PIPE_BIND_SCANOUT)
381 if (!nv50_miptree_init_layout_linear(mt, pitch_align)) {
386 bo_config.nv50.tile_mode = mt->level[0].tile_mode;
388 if (!bo_config.nv50.memtype && (pt->bind & PIPE_BIND_SHARED))
389 mt->base.domain = NOUVEAU_BO_GART;
391 mt->base.domain = NV_VRAM_DOMAIN(nouveau_screen(pscreen));
393 bo_flags = mt->base.domain | NOUVEAU_BO_NOSNOOP;
394 if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET))
395 bo_flags |= NOUVEAU_BO_CONTIG;
397 ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config,
403 mt->base.address = mt->base.bo->offset;
408 struct pipe_resource *
409 nv50_miptree_from_handle(struct pipe_screen *pscreen,
410 const struct pipe_resource *templ,
411 struct winsys_handle *whandle)
413 struct nv50_miptree *mt;
416 /* only supports 2D, non-mipmapped textures for the moment */
417 if ((templ->target != PIPE_TEXTURE_2D &&
418 templ->target != PIPE_TEXTURE_RECT) ||
419 templ->last_level != 0 ||
420 templ->depth0 != 1 ||
421 templ->array_size > 1)
424 mt = CALLOC_STRUCT(nv50_miptree);
428 mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
429 if (mt->base.bo == NULL) {
433 mt->base.domain = mt->base.bo->flags & NOUVEAU_BO_APER;
434 mt->base.address = mt->base.bo->offset;
436 mt->base.base = *templ;
437 mt->base.vtbl = &nv50_miptree_vtbl;
438 pipe_reference_init(&mt->base.base.reference, 1);
439 mt->base.base.screen = pscreen;
440 mt->level[0].pitch = stride;
441 mt->level[0].offset = 0;
442 mt->level[0].tile_mode = mt->base.bo->config.nv50.tile_mode;
444 NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, 1);
446 /* no need to adjust bo reference count */
447 return &mt->base.base;
451 /* Offset of zslice @z from start of level @l. */
453 nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z)
455 const struct pipe_resource *pt = &mt->base.base;
457 unsigned tds = NV50_TILE_SHIFT_Z(mt->level[l].tile_mode);
458 unsigned ths = NV50_TILE_SHIFT_Y(mt->level[l].tile_mode);
460 unsigned nby = util_format_get_nblocksy(pt->format,
461 u_minify(pt->height0, l));
463 /* to next 2D tile slice within a 3D tile */
464 unsigned stride_2d = NV50_TILE_SIZE_2D(mt->level[l].tile_mode);
466 /* to slice in the next (in z direction) 3D tile */
467 unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds;
469 return (z & ((1 << tds) - 1)) * stride_2d + (z >> tds) * stride_3d;
472 /* Surface functions.
475 struct nv50_surface *
476 nv50_surface_from_miptree(struct nv50_miptree *mt,
477 const struct pipe_surface *templ)
479 struct pipe_surface *ps;
480 struct nv50_surface *ns = CALLOC_STRUCT(nv50_surface);
485 pipe_reference_init(&ps->reference, 1);
486 pipe_resource_reference(&ps->texture, &mt->base.base);
488 ps->format = templ->format;
489 ps->writable = templ->writable;
490 ps->u.tex.level = templ->u.tex.level;
491 ps->u.tex.first_layer = templ->u.tex.first_layer;
492 ps->u.tex.last_layer = templ->u.tex.last_layer;
494 ns->width = u_minify(mt->base.base.width0, ps->u.tex.level);
495 ns->height = u_minify(mt->base.base.height0, ps->u.tex.level);
496 ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
497 ns->offset = mt->level[templ->u.tex.level].offset;
499 /* comment says there are going to be removed, but they're used by the st */
500 ps->width = ns->width;
501 ps->height = ns->height;
503 ns->width <<= mt->ms_x;
504 ns->height <<= mt->ms_y;
509 struct pipe_surface *
510 nv50_miptree_surface_new(struct pipe_context *pipe,
511 struct pipe_resource *pt,
512 const struct pipe_surface *templ)
514 struct nv50_miptree *mt = nv50_miptree(pt);
515 struct nv50_surface *ns = nv50_surface_from_miptree(mt, templ);
518 ns->base.context = pipe;
520 if (ns->base.u.tex.first_layer) {
521 const unsigned l = ns->base.u.tex.level;
522 const unsigned z = ns->base.u.tex.first_layer;
525 ns->offset += nv50_mt_zslice_offset(mt, l, z);
527 /* TODO: switch to depth 1 tiles; but actually this shouldn't happen */
529 (z & (NV50_TILE_SIZE_Z(mt->level[l].tile_mode) - 1)))
530 NOUVEAU_ERR("Creating unsupported 3D surface !\n");
532 ns->offset += mt->layer_stride * z;