r600_texture.c revision 773ff5705f3b2d88fb7094b8d2e051bb684c2323
1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *      Jerome Glisse
25 *      Corbin Simpson
26 */
27#include "r600_formats.h"
28#include "r600d.h"
29
30#include <errno.h>
31#include "util/u_format_s3tc.h"
32#include "util/u_memory.h"
33
34/* Copy from a full GPU texture to a transfer's staging one. */
35static void r600_copy_to_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
36{
37	struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
38	struct pipe_resource *texture = transfer->resource;
39
40	ctx->resource_copy_region(ctx, &rtransfer->staging->b.b,
41				0, 0, 0, 0, texture, transfer->level,
42				&transfer->box);
43}
44
45
46/* Copy from a transfer's staging texture to a full GPU one. */
47static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
48{
49	struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
50	struct pipe_resource *texture = transfer->resource;
51	struct pipe_box sbox;
52
53	u_box_origin_2d(transfer->box.width, transfer->box.height, &sbox);
54
55	ctx->resource_copy_region(ctx, texture, transfer->level,
56				  transfer->box.x, transfer->box.y, transfer->box.z,
57				  &rtransfer->staging->b.b,
58				  0, &sbox);
59}
60
61unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
62					unsigned level, unsigned layer)
63{
64	return rtex->surface.level[level].offset +
65	       layer * rtex->surface.level[level].slice_size;
66}
67
68static int r600_init_surface(struct r600_screen *rscreen,
69			     struct radeon_surface *surface,
70			     const struct pipe_resource *ptex,
71			     unsigned array_mode,
72			     bool is_transfer, bool is_flushed_depth)
73{
74	const struct util_format_description *desc =
75		util_format_description(ptex->format);
76	bool is_depth, is_stencil;
77
78	is_depth = util_format_has_depth(desc);
79	is_stencil = util_format_has_stencil(desc);
80
81	surface->npix_x = ptex->width0;
82	surface->npix_y = ptex->height0;
83	surface->npix_z = ptex->depth0;
84	surface->blk_w = util_format_get_blockwidth(ptex->format);
85	surface->blk_h = util_format_get_blockheight(ptex->format);
86	surface->blk_d = 1;
87	surface->array_size = 1;
88	surface->last_level = ptex->last_level;
89
90	if (rscreen->chip_class >= EVERGREEN &&
91	    !is_transfer && !is_flushed_depth &&
92	    ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
93		surface->bpe = 4; /* stencil is allocated separately on evergreen */
94	} else {
95		surface->bpe = util_format_get_blocksize(ptex->format);
96		/* align byte per element on dword */
97		if (surface->bpe == 3) {
98			surface->bpe = 4;
99		}
100	}
101
102	surface->nsamples = ptex->nr_samples ? ptex->nr_samples : 1;
103	surface->flags = 0;
104
105	switch (array_mode) {
106	case V_038000_ARRAY_1D_TILED_THIN1:
107		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
108		break;
109	case V_038000_ARRAY_2D_TILED_THIN1:
110		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
111		break;
112	case V_038000_ARRAY_LINEAR_ALIGNED:
113		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE);
114		break;
115	case V_038000_ARRAY_LINEAR_GENERAL:
116	default:
117		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE);
118		break;
119	}
120	switch (ptex->target) {
121	case PIPE_TEXTURE_1D:
122		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE);
123		break;
124	case PIPE_TEXTURE_RECT:
125	case PIPE_TEXTURE_2D:
126		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
127		break;
128	case PIPE_TEXTURE_3D:
129		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE);
130		break;
131	case PIPE_TEXTURE_1D_ARRAY:
132		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE);
133		surface->array_size = ptex->array_size;
134		break;
135	case PIPE_TEXTURE_2D_ARRAY:
136		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE);
137		surface->array_size = ptex->array_size;
138		break;
139	case PIPE_TEXTURE_CUBE:
140		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE);
141		break;
142	case PIPE_BUFFER:
143	default:
144		return -EINVAL;
145	}
146	if (ptex->bind & PIPE_BIND_SCANOUT) {
147		surface->flags |= RADEON_SURF_SCANOUT;
148	}
149
150	if (!is_transfer && !is_flushed_depth && is_depth) {
151		surface->flags |= RADEON_SURF_ZBUFFER;
152
153		if (is_stencil) {
154			surface->flags |= RADEON_SURF_SBUFFER;
155		}
156	}
157	return 0;
158}
159
160static int r600_setup_surface(struct pipe_screen *screen,
161			      struct r600_resource_texture *rtex,
162			      unsigned pitch_in_bytes_override)
163{
164	struct pipe_resource *ptex = &rtex->resource.b.b;
165	struct r600_screen *rscreen = (struct r600_screen*)screen;
166	unsigned i;
167	int r;
168
169	r = rscreen->ws->surface_init(rscreen->ws, &rtex->surface);
170	if (r) {
171		return r;
172	}
173	rtex->size = rtex->surface.bo_size;
174	if (pitch_in_bytes_override && pitch_in_bytes_override != rtex->surface.level[0].pitch_bytes) {
175		/* old ddx on evergreen over estimate alignment for 1d, only 1 level
176		 * for those
177		 */
178		rtex->surface.level[0].nblk_x = pitch_in_bytes_override / rtex->surface.bpe;
179		rtex->surface.level[0].pitch_bytes = pitch_in_bytes_override;
180		rtex->surface.level[0].slice_size = pitch_in_bytes_override * rtex->surface.level[0].nblk_y;
181		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
182			rtex->surface.stencil_offset = rtex->surface.level[0].slice_size;
183		}
184	}
185	for (i = 0; i <= ptex->last_level; i++) {
186		switch (rtex->surface.level[i].mode) {
187		case RADEON_SURF_MODE_LINEAR_ALIGNED:
188			rtex->array_mode[i] = V_038000_ARRAY_LINEAR_ALIGNED;
189			break;
190		case RADEON_SURF_MODE_1D:
191			rtex->array_mode[i] = V_038000_ARRAY_1D_TILED_THIN1;
192			break;
193		case RADEON_SURF_MODE_2D:
194			rtex->array_mode[i] = V_038000_ARRAY_2D_TILED_THIN1;
195			break;
196		default:
197		case RADEON_SURF_MODE_LINEAR:
198			rtex->array_mode[i] = 0;
199			break;
200		}
201	}
202	return 0;
203}
204
205static boolean r600_texture_get_handle(struct pipe_screen* screen,
206					struct pipe_resource *ptex,
207					struct winsys_handle *whandle)
208{
209	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
210	struct r600_resource *resource = &rtex->resource;
211	struct radeon_surface *surface = &rtex->surface;
212	struct r600_screen *rscreen = (struct r600_screen*)screen;
213
214	rscreen->ws->buffer_set_tiling(resource->buf,
215				       NULL,
216				       surface->level[0].mode >= RADEON_SURF_MODE_1D ?
217				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
218				       surface->level[0].mode >= RADEON_SURF_MODE_2D ?
219				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
220				       surface->bankw, surface->bankh,
221				       surface->tile_split,
222				       surface->stencil_tile_split,
223				       surface->mtilea,
224				       rtex->surface.level[0].pitch_bytes);
225
226	return rscreen->ws->buffer_get_handle(resource->buf,
227					      rtex->surface.level[0].pitch_bytes, whandle);
228}
229
230static void r600_texture_destroy(struct pipe_screen *screen,
231				 struct pipe_resource *ptex)
232{
233	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
234	struct r600_resource *resource = &rtex->resource;
235
236	if (rtex->flushed_depth_texture)
237		pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL);
238
239	pb_reference(&resource->buf, NULL);
240	FREE(rtex);
241}
242
243static const struct u_resource_vtbl r600_texture_vtbl =
244{
245	r600_texture_get_handle,	/* get_handle */
246	r600_texture_destroy,		/* resource_destroy */
247	r600_texture_get_transfer,	/* get_transfer */
248	r600_texture_transfer_destroy,	/* transfer_destroy */
249	r600_texture_transfer_map,	/* transfer_map */
250	NULL,				/* transfer_flush_region */
251	r600_texture_transfer_unmap,	/* transfer_unmap */
252	NULL				/* transfer_inline_write */
253};
254
255static struct r600_resource_texture *
256r600_texture_create_object(struct pipe_screen *screen,
257			   const struct pipe_resource *base,
258			   unsigned pitch_in_bytes_override,
259			   struct pb_buffer *buf,
260			   boolean alloc_bo,
261			   struct radeon_surface *surface)
262{
263	struct r600_resource_texture *rtex;
264	struct r600_resource *resource;
265	struct r600_screen *rscreen = (struct r600_screen*)screen;
266	int r;
267
268	rtex = CALLOC_STRUCT(r600_resource_texture);
269	if (rtex == NULL)
270		return NULL;
271
272	resource = &rtex->resource;
273	resource->b.b = *base;
274	resource->b.vtbl = &r600_texture_vtbl;
275	pipe_reference_init(&resource->b.b.reference, 1);
276	resource->b.b.screen = screen;
277	rtex->pitch_override = pitch_in_bytes_override;
278
279	/* don't include stencil-only formats which we don't support for rendering */
280	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));
281
282	rtex->surface = *surface;
283	r = r600_setup_surface(screen, rtex,
284			       pitch_in_bytes_override);
285	if (r) {
286		FREE(rtex);
287		return NULL;
288	}
289
290	/* Now create the backing buffer. */
291	if (!buf && alloc_bo) {
292		unsigned base_align = rtex->surface.bo_alignment;
293
294		if (!r600_init_resource(rscreen, resource, rtex->size, base_align, base->bind, base->usage)) {
295			FREE(rtex);
296			return NULL;
297		}
298	} else if (buf) {
299		resource->buf = buf;
300		resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
301		resource->domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM;
302	}
303	return rtex;
304}
305
306struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
307						const struct pipe_resource *templ)
308{
309	struct r600_screen *rscreen = (struct r600_screen*)screen;
310	struct radeon_surface surface;
311	unsigned array_mode = 0;
312	int r;
313
314	if (!(templ->flags & R600_RESOURCE_FLAG_TRANSFER)) {
315		if (!(templ->bind & PIPE_BIND_SCANOUT) &&
316		    templ->usage != PIPE_USAGE_STAGING &&
317		    templ->usage != PIPE_USAGE_STREAM) {
318			array_mode = V_038000_ARRAY_2D_TILED_THIN1;
319		} else if (util_format_is_compressed(templ->format)) {
320			array_mode = V_038000_ARRAY_1D_TILED_THIN1;
321		}
322	}
323
324	r = r600_init_surface(rscreen, &surface, templ, array_mode,
325			      templ->flags & R600_RESOURCE_FLAG_TRANSFER,
326			      templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH);
327	if (r) {
328		return NULL;
329	}
330	r = rscreen->ws->surface_best(rscreen->ws, &surface);
331	if (r) {
332		return NULL;
333	}
334	return (struct pipe_resource *)r600_texture_create_object(screen, templ,
335								  0, NULL, TRUE, &surface);
336}
337
338static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
339						struct pipe_resource *texture,
340						const struct pipe_surface *templ)
341{
342	struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
343	unsigned level = templ->u.tex.level;
344
345	assert(templ->u.tex.first_layer == templ->u.tex.last_layer);
346	if (surface == NULL)
347		return NULL;
348	pipe_reference_init(&surface->base.reference, 1);
349	pipe_resource_reference(&surface->base.texture, texture);
350	surface->base.context = pipe;
351	surface->base.format = templ->format;
352	surface->base.width = u_minify(texture->width0, level);
353	surface->base.height = u_minify(texture->height0, level);
354	surface->base.usage = templ->usage;
355	surface->base.u = templ->u;
356	return &surface->base;
357}
358
359static void r600_surface_destroy(struct pipe_context *pipe,
360				 struct pipe_surface *surface)
361{
362	pipe_resource_reference(&surface->texture, NULL);
363	FREE(surface);
364}
365
366struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
367					       const struct pipe_resource *templ,
368					       struct winsys_handle *whandle)
369{
370	struct r600_screen *rscreen = (struct r600_screen*)screen;
371	struct pb_buffer *buf = NULL;
372	unsigned stride = 0;
373	unsigned array_mode = 0;
374	enum radeon_bo_layout micro, macro;
375	struct radeon_surface surface;
376	int r;
377
378	/* Support only 2D textures without mipmaps */
379	if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
380	      templ->depth0 != 1 || templ->last_level != 0)
381		return NULL;
382
383	buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle, &stride);
384	if (!buf)
385		return NULL;
386
387	rscreen->ws->buffer_get_tiling(buf, &micro, &macro,
388				       &surface.bankw, &surface.bankh,
389				       &surface.tile_split,
390				       &surface.stencil_tile_split,
391				       &surface.mtilea);
392
393	if (macro == RADEON_LAYOUT_TILED)
394		array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
395	else if (micro == RADEON_LAYOUT_TILED)
396		array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
397	else
398		array_mode = 0;
399
400	r = r600_init_surface(rscreen, &surface, templ, array_mode, false, false);
401	if (r) {
402		return NULL;
403	}
404	return (struct pipe_resource *)r600_texture_create_object(screen, templ,
405								  stride, buf, FALSE, &surface);
406}
407
408bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
409				     struct pipe_resource *texture,
410				     struct r600_resource_texture **staging)
411{
412	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
413	struct pipe_resource resource;
414	struct r600_resource_texture **flushed_depth_texture = staging ?
415			staging : &rtex->flushed_depth_texture;
416
417	if (!staging && rtex->flushed_depth_texture)
418		return true; /* it's ready */
419
420	resource.target = texture->target;
421	resource.format = texture->format;
422	resource.width0 = texture->width0;
423	resource.height0 = texture->height0;
424	resource.depth0 = texture->depth0;
425	resource.array_size = texture->array_size;
426	resource.last_level = texture->last_level;
427	resource.nr_samples = texture->nr_samples;
428	resource.usage = staging ? PIPE_USAGE_STAGING : PIPE_USAGE_STATIC;
429	resource.bind = texture->bind & ~PIPE_BIND_DEPTH_STENCIL;
430	resource.flags = texture->flags | R600_RESOURCE_FLAG_FLUSHED_DEPTH;
431
432	if (staging)
433		resource.flags |= R600_RESOURCE_FLAG_TRANSFER;
434
435	*flushed_depth_texture = (struct r600_resource_texture *)ctx->screen->resource_create(ctx->screen, &resource);
436	if (*flushed_depth_texture == NULL) {
437		R600_ERR("failed to create temporary texture to hold flushed depth\n");
438		return false;
439	}
440
441	(*flushed_depth_texture)->is_flushing_texture = TRUE;
442	return true;
443}
444
445/* Needs adjustment for pixelformat:
446 */
447static INLINE unsigned u_box_volume( const struct pipe_box *box )
448{
449	return box->width * box->depth * box->height;
450}
451
452struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
453						struct pipe_resource *texture,
454						unsigned level,
455						unsigned usage,
456						const struct pipe_box *box)
457{
458	struct r600_context *rctx = (struct r600_context*)ctx;
459	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
460	struct pipe_resource resource;
461	struct r600_transfer *trans;
462	boolean use_staging_texture = FALSE;
463
464	/* We cannot map a tiled texture directly because the data is
465	 * in a different order, therefore we do detiling using a blit.
466	 *
467	 * Also, use a temporary in GTT memory for read transfers, as
468	 * the CPU is much happier reading out of cached system memory
469	 * than uncached VRAM.
470	 */
471	if (R600_TEX_IS_TILED(rtex, level)) {
472		use_staging_texture = TRUE;
473	}
474
475	if ((usage & PIPE_TRANSFER_READ) && u_box_volume(box) > 1024)
476		use_staging_texture = TRUE;
477
478	/* Use a staging texture for uploads if the underlying BO is busy. */
479	if (!(usage & PIPE_TRANSFER_READ) &&
480	    (rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||
481	     rctx->ws->buffer_is_busy(rtex->resource.buf, RADEON_USAGE_READWRITE))) {
482		use_staging_texture = TRUE;
483	}
484
485	if (texture->flags & R600_RESOURCE_FLAG_TRANSFER) {
486		use_staging_texture = FALSE;
487	}
488
489	if (use_staging_texture && (usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
490		return NULL;
491	}
492
493	trans = CALLOC_STRUCT(r600_transfer);
494	if (trans == NULL)
495		return NULL;
496	pipe_resource_reference(&trans->transfer.resource, texture);
497	trans->transfer.level = level;
498	trans->transfer.usage = usage;
499	trans->transfer.box = *box;
500	if (rtex->is_depth) {
501		/* XXX: only readback the rectangle which is being mapped?
502		*/
503		/* XXX: when discard is true, no need to read back from depth texture
504		*/
505		struct r600_resource_texture *staging_depth;
506
507		if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) {
508			R600_ERR("failed to create temporary texture to hold untiled copy\n");
509			pipe_resource_reference(&trans->transfer.resource, NULL);
510			FREE(trans);
511			return NULL;
512		}
513
514		r600_blit_uncompress_depth(ctx, rtex, staging_depth,
515					   level, level,
516					   box->z, box->z + box->depth - 1,
517					   0, 0);
518
519		trans->transfer.stride = staging_depth->surface.level[level].pitch_bytes;
520		trans->offset = r600_texture_get_offset(staging_depth, level, box->z);
521		trans->staging = (struct r600_resource*)staging_depth;
522		return &trans->transfer;
523	} else if (use_staging_texture) {
524		resource.target = PIPE_TEXTURE_2D;
525		resource.format = texture->format;
526		resource.width0 = box->width;
527		resource.height0 = box->height;
528		resource.depth0 = 1;
529		resource.array_size = 1;
530		resource.last_level = 0;
531		resource.nr_samples = 0;
532		resource.usage = PIPE_USAGE_STAGING;
533		resource.bind = 0;
534		resource.flags = R600_RESOURCE_FLAG_TRANSFER;
535		/* For texture reading, the temporary (detiled) texture is used as
536		 * a render target when blitting from a tiled texture. */
537		if (usage & PIPE_TRANSFER_READ) {
538			resource.bind |= PIPE_BIND_RENDER_TARGET;
539		}
540		/* For texture writing, the temporary texture is used as a sampler
541		 * when blitting into a tiled texture. */
542		if (usage & PIPE_TRANSFER_WRITE) {
543			resource.bind |= PIPE_BIND_SAMPLER_VIEW;
544		}
545		/* Create the temporary texture. */
546		trans->staging = (struct r600_resource*)ctx->screen->resource_create(ctx->screen, &resource);
547		if (trans->staging == NULL) {
548			R600_ERR("failed to create temporary texture to hold untiled copy\n");
549			pipe_resource_reference(&trans->transfer.resource, NULL);
550			FREE(trans);
551			return NULL;
552		}
553
554		trans->transfer.stride =
555			((struct r600_resource_texture *)trans->staging)->surface.level[0].pitch_bytes;
556		if (usage & PIPE_TRANSFER_READ) {
557			r600_copy_to_staging_texture(ctx, trans);
558			/* Always referenced in the blit. */
559			r600_flush(ctx, NULL, 0);
560		}
561		return &trans->transfer;
562	}
563	trans->transfer.stride = rtex->surface.level[level].pitch_bytes;
564	trans->transfer.layer_stride = rtex->surface.level[level].slice_size;
565	trans->offset = r600_texture_get_offset(rtex, level, box->z);
566	return &trans->transfer;
567}
568
569void r600_texture_transfer_destroy(struct pipe_context *ctx,
570				   struct pipe_transfer *transfer)
571{
572	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
573	struct pipe_resource *texture = transfer->resource;
574	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
575
576	if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) {
577		if (rtex->is_depth) {
578			ctx->resource_copy_region(ctx, texture, transfer->level,
579						  transfer->box.x, transfer->box.y, transfer->box.z,
580						  &rtransfer->staging->b.b, transfer->level,
581						  &transfer->box);
582		} else {
583			r600_copy_from_staging_texture(ctx, rtransfer);
584		}
585	}
586
587	if (rtransfer->staging)
588		pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL);
589
590	pipe_resource_reference(&transfer->resource, NULL);
591	FREE(transfer);
592}
593
594void* r600_texture_transfer_map(struct pipe_context *ctx,
595				struct pipe_transfer* transfer)
596{
597	struct r600_context *rctx = (struct r600_context *)ctx;
598	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
599	struct radeon_winsys_cs_handle *buf;
600	struct r600_resource_texture *rtex =
601			(struct r600_resource_texture*)transfer->resource;
602	enum pipe_format format = transfer->resource->format;
603	unsigned offset = 0;
604	char *map;
605
606	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
607		return r600_compute_global_transfer_map(ctx, transfer);
608	}
609
610	if (rtransfer->staging) {
611		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
612	} else {
613		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
614	}
615
616	if (rtex->is_depth || !rtransfer->staging)
617		offset = rtransfer->offset +
618			transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
619			transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
620
621	if (!(map = rctx->ws->buffer_map(buf, rctx->cs, transfer->usage))) {
622		return NULL;
623	}
624
625	return map + offset;
626}
627
628void r600_texture_transfer_unmap(struct pipe_context *ctx,
629				 struct pipe_transfer* transfer)
630{
631	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
632	struct r600_context *rctx = (struct r600_context*)ctx;
633	struct radeon_winsys_cs_handle *buf;
634
635	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
636		return r600_compute_global_transfer_unmap(ctx, transfer);
637	}
638
639	if (rtransfer->staging) {
640		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
641	} else {
642		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
643	}
644	rctx->ws->buffer_unmap(buf);
645}
646
647void r600_init_surface_functions(struct r600_context *r600)
648{
649	r600->context.create_surface = r600_create_surface;
650	r600->context.surface_destroy = r600_surface_destroy;
651}
652
653static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format,
654		const unsigned char *swizzle_view)
655{
656	unsigned i;
657	unsigned char swizzle[4];
658	unsigned result = 0;
659	const uint32_t swizzle_shift[4] = {
660		16, 19, 22, 25,
661	};
662	const uint32_t swizzle_bit[4] = {
663		0, 1, 2, 3,
664	};
665
666	if (swizzle_view) {
667		util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
668	} else {
669		memcpy(swizzle, swizzle_format, 4);
670	}
671
672	/* Get swizzle. */
673	for (i = 0; i < 4; i++) {
674		switch (swizzle[i]) {
675		case UTIL_FORMAT_SWIZZLE_Y:
676			result |= swizzle_bit[1] << swizzle_shift[i];
677			break;
678		case UTIL_FORMAT_SWIZZLE_Z:
679			result |= swizzle_bit[2] << swizzle_shift[i];
680			break;
681		case UTIL_FORMAT_SWIZZLE_W:
682			result |= swizzle_bit[3] << swizzle_shift[i];
683			break;
684		case UTIL_FORMAT_SWIZZLE_0:
685			result |= V_038010_SQ_SEL_0 << swizzle_shift[i];
686			break;
687		case UTIL_FORMAT_SWIZZLE_1:
688			result |= V_038010_SQ_SEL_1 << swizzle_shift[i];
689			break;
690		default: /* UTIL_FORMAT_SWIZZLE_X */
691			result |= swizzle_bit[0] << swizzle_shift[i];
692		}
693	}
694	return result;
695}
696
697/* texture format translate */
698uint32_t r600_translate_texformat(struct pipe_screen *screen,
699				  enum pipe_format format,
700				  const unsigned char *swizzle_view,
701				  uint32_t *word4_p, uint32_t *yuv_format_p)
702{
703	uint32_t result = 0, word4 = 0, yuv_format = 0;
704	const struct util_format_description *desc;
705	boolean uniform = TRUE;
706	static int r600_enable_s3tc = -1;
707	bool is_srgb_valid = FALSE;
708
709	int i;
710	const uint32_t sign_bit[4] = {
711		S_038010_FORMAT_COMP_X(V_038010_SQ_FORMAT_COMP_SIGNED),
712		S_038010_FORMAT_COMP_Y(V_038010_SQ_FORMAT_COMP_SIGNED),
713		S_038010_FORMAT_COMP_Z(V_038010_SQ_FORMAT_COMP_SIGNED),
714		S_038010_FORMAT_COMP_W(V_038010_SQ_FORMAT_COMP_SIGNED)
715	};
716	desc = util_format_description(format);
717
718	word4 |= r600_get_swizzle_combined(desc->swizzle, swizzle_view);
719
720	/* Colorspace (return non-RGB formats directly). */
721	switch (desc->colorspace) {
722		/* Depth stencil formats */
723	case UTIL_FORMAT_COLORSPACE_ZS:
724		switch (format) {
725		case PIPE_FORMAT_Z16_UNORM:
726			result = FMT_16;
727			goto out_word4;
728		case PIPE_FORMAT_X24S8_UINT:
729			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
730		case PIPE_FORMAT_Z24X8_UNORM:
731		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
732			result = FMT_8_24;
733			goto out_word4;
734		case PIPE_FORMAT_S8X24_UINT:
735			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
736		case PIPE_FORMAT_X8Z24_UNORM:
737		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
738			result = FMT_24_8;
739			goto out_word4;
740		case PIPE_FORMAT_S8_UINT:
741			result = FMT_8;
742			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
743			goto out_word4;
744		case PIPE_FORMAT_Z32_FLOAT:
745			result = FMT_32_FLOAT;
746			goto out_word4;
747		case PIPE_FORMAT_X32_S8X24_UINT:
748			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
749		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
750			result = FMT_X24_8_32_FLOAT;
751			goto out_word4;
752		default:
753			goto out_unknown;
754		}
755
756	case UTIL_FORMAT_COLORSPACE_YUV:
757		yuv_format |= (1 << 30);
758		switch (format) {
759		case PIPE_FORMAT_UYVY:
760		case PIPE_FORMAT_YUYV:
761		default:
762			break;
763		}
764		goto out_unknown; /* XXX */
765
766	case UTIL_FORMAT_COLORSPACE_SRGB:
767		word4 |= S_038010_FORCE_DEGAMMA(1);
768		break;
769
770	default:
771		break;
772	}
773
774	if (r600_enable_s3tc == -1) {
775		struct r600_screen *rscreen = (struct r600_screen *)screen;
776		if (rscreen->info.drm_minor >= 9)
777			r600_enable_s3tc = 1;
778		else
779			r600_enable_s3tc = debug_get_bool_option("R600_ENABLE_S3TC", FALSE);
780	}
781
782	if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
783		if (!r600_enable_s3tc)
784			goto out_unknown;
785
786		switch (format) {
787		case PIPE_FORMAT_RGTC1_SNORM:
788		case PIPE_FORMAT_LATC1_SNORM:
789			word4 |= sign_bit[0];
790		case PIPE_FORMAT_RGTC1_UNORM:
791		case PIPE_FORMAT_LATC1_UNORM:
792			result = FMT_BC4;
793			goto out_word4;
794		case PIPE_FORMAT_RGTC2_SNORM:
795		case PIPE_FORMAT_LATC2_SNORM:
796			word4 |= sign_bit[0] | sign_bit[1];
797		case PIPE_FORMAT_RGTC2_UNORM:
798		case PIPE_FORMAT_LATC2_UNORM:
799			result = FMT_BC5;
800			goto out_word4;
801		default:
802			goto out_unknown;
803		}
804	}
805
806	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
807
808		if (!r600_enable_s3tc)
809			goto out_unknown;
810
811		if (!util_format_s3tc_enabled) {
812			goto out_unknown;
813		}
814
815		switch (format) {
816		case PIPE_FORMAT_DXT1_RGB:
817		case PIPE_FORMAT_DXT1_RGBA:
818		case PIPE_FORMAT_DXT1_SRGB:
819		case PIPE_FORMAT_DXT1_SRGBA:
820			result = FMT_BC1;
821			is_srgb_valid = TRUE;
822			goto out_word4;
823		case PIPE_FORMAT_DXT3_RGBA:
824		case PIPE_FORMAT_DXT3_SRGBA:
825			result = FMT_BC2;
826			is_srgb_valid = TRUE;
827			goto out_word4;
828		case PIPE_FORMAT_DXT5_RGBA:
829		case PIPE_FORMAT_DXT5_SRGBA:
830			result = FMT_BC3;
831			is_srgb_valid = TRUE;
832			goto out_word4;
833		default:
834			goto out_unknown;
835		}
836	}
837
838	if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
839		switch (format) {
840		case PIPE_FORMAT_R8G8_B8G8_UNORM:
841		case PIPE_FORMAT_G8R8_B8R8_UNORM:
842			result = FMT_GB_GR;
843			goto out_word4;
844		case PIPE_FORMAT_G8R8_G8B8_UNORM:
845		case PIPE_FORMAT_R8G8_R8B8_UNORM:
846			result = FMT_BG_RG;
847			goto out_word4;
848		default:
849			goto out_unknown;
850		}
851	}
852
853	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
854		result = FMT_5_9_9_9_SHAREDEXP;
855		goto out_word4;
856	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
857		result = FMT_10_11_11_FLOAT;
858		goto out_word4;
859	}
860
861
862	for (i = 0; i < desc->nr_channels; i++) {
863		if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
864			word4 |= sign_bit[i];
865		}
866	}
867
868	/* R8G8Bx_SNORM - XXX CxV8U8 */
869
870	/* See whether the components are of the same size. */
871	for (i = 1; i < desc->nr_channels; i++) {
872		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
873	}
874
875	/* Non-uniform formats. */
876	if (!uniform) {
877		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
878		    desc->channel[0].pure_integer)
879			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
880		switch(desc->nr_channels) {
881		case 3:
882			if (desc->channel[0].size == 5 &&
883			    desc->channel[1].size == 6 &&
884			    desc->channel[2].size == 5) {
885				result = FMT_5_6_5;
886				goto out_word4;
887			}
888			goto out_unknown;
889		case 4:
890			if (desc->channel[0].size == 5 &&
891			    desc->channel[1].size == 5 &&
892			    desc->channel[2].size == 5 &&
893			    desc->channel[3].size == 1) {
894				result = FMT_1_5_5_5;
895				goto out_word4;
896			}
897			if (desc->channel[0].size == 10 &&
898			    desc->channel[1].size == 10 &&
899			    desc->channel[2].size == 10 &&
900			    desc->channel[3].size == 2) {
901				result = FMT_2_10_10_10;
902				goto out_word4;
903			}
904			goto out_unknown;
905		}
906		goto out_unknown;
907	}
908
909	/* Find the first non-VOID channel. */
910	for (i = 0; i < 4; i++) {
911		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
912			break;
913		}
914	}
915
916	if (i == 4)
917		goto out_unknown;
918
919	/* uniform formats */
920	switch (desc->channel[i].type) {
921	case UTIL_FORMAT_TYPE_UNSIGNED:
922	case UTIL_FORMAT_TYPE_SIGNED:
923#if 0
924		if (!desc->channel[i].normalized &&
925		    desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
926			goto out_unknown;
927		}
928#endif
929		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
930		    desc->channel[i].pure_integer)
931			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
932
933		switch (desc->channel[i].size) {
934		case 4:
935			switch (desc->nr_channels) {
936			case 2:
937				result = FMT_4_4;
938				goto out_word4;
939			case 4:
940				result = FMT_4_4_4_4;
941				goto out_word4;
942			}
943			goto out_unknown;
944		case 8:
945			switch (desc->nr_channels) {
946			case 1:
947				result = FMT_8;
948				goto out_word4;
949			case 2:
950				result = FMT_8_8;
951				goto out_word4;
952			case 4:
953				result = FMT_8_8_8_8;
954				is_srgb_valid = TRUE;
955				goto out_word4;
956			}
957			goto out_unknown;
958		case 16:
959			switch (desc->nr_channels) {
960			case 1:
961				result = FMT_16;
962				goto out_word4;
963			case 2:
964				result = FMT_16_16;
965				goto out_word4;
966			case 4:
967				result = FMT_16_16_16_16;
968				goto out_word4;
969			}
970			goto out_unknown;
971		case 32:
972			switch (desc->nr_channels) {
973			case 1:
974				result = FMT_32;
975				goto out_word4;
976			case 2:
977				result = FMT_32_32;
978				goto out_word4;
979			case 4:
980				result = FMT_32_32_32_32;
981				goto out_word4;
982			}
983		}
984		goto out_unknown;
985
986	case UTIL_FORMAT_TYPE_FLOAT:
987		switch (desc->channel[i].size) {
988		case 16:
989			switch (desc->nr_channels) {
990			case 1:
991				result = FMT_16_FLOAT;
992				goto out_word4;
993			case 2:
994				result = FMT_16_16_FLOAT;
995				goto out_word4;
996			case 4:
997				result = FMT_16_16_16_16_FLOAT;
998				goto out_word4;
999			}
1000			goto out_unknown;
1001		case 32:
1002			switch (desc->nr_channels) {
1003			case 1:
1004				result = FMT_32_FLOAT;
1005				goto out_word4;
1006			case 2:
1007				result = FMT_32_32_FLOAT;
1008				goto out_word4;
1009			case 4:
1010				result = FMT_32_32_32_32_FLOAT;
1011				goto out_word4;
1012			}
1013		}
1014		goto out_unknown;
1015	}
1016
1017out_word4:
1018
1019	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB && !is_srgb_valid)
1020		return ~0;
1021	if (word4_p)
1022		*word4_p = word4;
1023	if (yuv_format_p)
1024		*yuv_format_p = yuv_format;
1025	return result;
1026out_unknown:
1027	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1028	return ~0;
1029}
1030