r600_texture.c revision 362a25aac5f8cd71c08ad92b4b19be6712d8fd72
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->offset[level] + layer * rtex->layer_size[level];
65}
66
67static int r600_init_surface(struct r600_screen *rscreen,
68			     struct radeon_surface *surface,
69			     const struct pipe_resource *ptex,
70			     unsigned array_mode,
71			     bool is_transfer, bool is_flushed_depth)
72{
73	const struct util_format_description *desc =
74		util_format_description(ptex->format);
75	bool is_depth, is_stencil;
76
77	is_depth = util_format_has_depth(desc);
78	is_stencil = util_format_has_stencil(desc);
79
80	surface->npix_x = ptex->width0;
81	surface->npix_y = ptex->height0;
82	surface->npix_z = ptex->depth0;
83	surface->blk_w = util_format_get_blockwidth(ptex->format);
84	surface->blk_h = util_format_get_blockheight(ptex->format);
85	surface->blk_d = 1;
86	surface->array_size = 1;
87	surface->last_level = ptex->last_level;
88
89	if (rscreen->chip_class >= EVERGREEN &&
90	    !is_transfer && !is_flushed_depth &&
91	    ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
92		surface->bpe = 4; /* stencil is allocated separately on evergreen */
93	} else {
94		surface->bpe = util_format_get_blocksize(ptex->format);
95		/* align byte per element on dword */
96		if (surface->bpe == 3) {
97			surface->bpe = 4;
98		}
99	}
100
101	surface->nsamples = ptex->nr_samples ? ptex->nr_samples : 1;
102	surface->flags = 0;
103
104	switch (array_mode) {
105	case V_038000_ARRAY_1D_TILED_THIN1:
106		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
107		break;
108	case V_038000_ARRAY_2D_TILED_THIN1:
109		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
110		break;
111	case V_038000_ARRAY_LINEAR_ALIGNED:
112		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE);
113		break;
114	case V_038000_ARRAY_LINEAR_GENERAL:
115	default:
116		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE);
117		break;
118	}
119	switch (ptex->target) {
120	case PIPE_TEXTURE_1D:
121		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE);
122		break;
123	case PIPE_TEXTURE_RECT:
124	case PIPE_TEXTURE_2D:
125		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
126		break;
127	case PIPE_TEXTURE_3D:
128		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE);
129		break;
130	case PIPE_TEXTURE_1D_ARRAY:
131		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE);
132		surface->array_size = ptex->array_size;
133		break;
134	case PIPE_TEXTURE_2D_ARRAY:
135		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE);
136		surface->array_size = ptex->array_size;
137		break;
138	case PIPE_TEXTURE_CUBE:
139		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE);
140		break;
141	case PIPE_BUFFER:
142	default:
143		return -EINVAL;
144	}
145	if (ptex->bind & PIPE_BIND_SCANOUT) {
146		surface->flags |= RADEON_SURF_SCANOUT;
147	}
148
149	if (!is_transfer && !is_flushed_depth && is_depth) {
150		surface->flags |= RADEON_SURF_ZBUFFER;
151
152		if (is_stencil) {
153			surface->flags |= RADEON_SURF_SBUFFER;
154		}
155	}
156	return 0;
157}
158
159static int r600_setup_surface(struct pipe_screen *screen,
160			      struct r600_resource_texture *rtex,
161			      unsigned pitch_in_bytes_override)
162{
163	struct pipe_resource *ptex = &rtex->resource.b.b;
164	struct r600_screen *rscreen = (struct r600_screen*)screen;
165	unsigned i;
166	int r;
167
168	r = rscreen->ws->surface_init(rscreen->ws, &rtex->surface);
169	if (r) {
170		return r;
171	}
172	rtex->size = rtex->surface.bo_size;
173	if (pitch_in_bytes_override && pitch_in_bytes_override != rtex->surface.level[0].pitch_bytes) {
174		/* old ddx on evergreen over estimate alignment for 1d, only 1 level
175		 * for those
176		 */
177		rtex->surface.level[0].nblk_x = pitch_in_bytes_override / rtex->surface.bpe;
178		rtex->surface.level[0].pitch_bytes = pitch_in_bytes_override;
179		rtex->surface.level[0].slice_size = pitch_in_bytes_override * rtex->surface.level[0].nblk_y;
180		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
181			rtex->surface.stencil_offset = rtex->surface.level[0].slice_size;
182		}
183	}
184	for (i = 0; i <= ptex->last_level; i++) {
185		rtex->offset[i] = rtex->surface.level[i].offset;
186		rtex->layer_size[i] = rtex->surface.level[i].slice_size;
187		rtex->pitch_in_bytes[i] = rtex->surface.level[i].pitch_bytes;
188		switch (rtex->surface.level[i].mode) {
189		case RADEON_SURF_MODE_LINEAR_ALIGNED:
190			rtex->array_mode[i] = V_038000_ARRAY_LINEAR_ALIGNED;
191			break;
192		case RADEON_SURF_MODE_1D:
193			rtex->array_mode[i] = V_038000_ARRAY_1D_TILED_THIN1;
194			break;
195		case RADEON_SURF_MODE_2D:
196			rtex->array_mode[i] = V_038000_ARRAY_2D_TILED_THIN1;
197			break;
198		default:
199		case RADEON_SURF_MODE_LINEAR:
200			rtex->array_mode[i] = 0;
201			break;
202		}
203	}
204	return 0;
205}
206
207static boolean r600_texture_get_handle(struct pipe_screen* screen,
208					struct pipe_resource *ptex,
209					struct winsys_handle *whandle)
210{
211	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
212	struct r600_resource *resource = &rtex->resource;
213	struct radeon_surface *surface = &rtex->surface;
214	struct r600_screen *rscreen = (struct r600_screen*)screen;
215
216	rscreen->ws->buffer_set_tiling(resource->buf,
217				       NULL,
218				       surface->level[0].mode >= RADEON_SURF_MODE_1D ?
219				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
220				       surface->level[0].mode >= RADEON_SURF_MODE_2D ?
221				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
222				       surface->bankw, surface->bankh,
223				       surface->tile_split,
224				       surface->stencil_tile_split,
225				       surface->mtilea,
226				       rtex->pitch_in_bytes[0]);
227
228	return rscreen->ws->buffer_get_handle(resource->buf,
229					      rtex->pitch_in_bytes[0], whandle);
230}
231
232static void r600_texture_destroy(struct pipe_screen *screen,
233				 struct pipe_resource *ptex)
234{
235	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
236	struct r600_resource *resource = &rtex->resource;
237
238	if (rtex->flushed_depth_texture)
239		pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL);
240
241	pb_reference(&resource->buf, NULL);
242	FREE(rtex);
243}
244
245static const struct u_resource_vtbl r600_texture_vtbl =
246{
247	r600_texture_get_handle,	/* get_handle */
248	r600_texture_destroy,		/* resource_destroy */
249	r600_texture_get_transfer,	/* get_transfer */
250	r600_texture_transfer_destroy,	/* transfer_destroy */
251	r600_texture_transfer_map,	/* transfer_map */
252	NULL,				/* transfer_flush_region */
253	r600_texture_transfer_unmap,	/* transfer_unmap */
254	NULL				/* transfer_inline_write */
255};
256
257static struct r600_resource_texture *
258r600_texture_create_object(struct pipe_screen *screen,
259			   const struct pipe_resource *base,
260			   unsigned pitch_in_bytes_override,
261			   struct pb_buffer *buf,
262			   boolean alloc_bo,
263			   struct radeon_surface *surface)
264{
265	struct r600_resource_texture *rtex;
266	struct r600_resource *resource;
267	struct r600_screen *rscreen = (struct r600_screen*)screen;
268	int r;
269
270	rtex = CALLOC_STRUCT(r600_resource_texture);
271	if (rtex == NULL)
272		return NULL;
273
274	resource = &rtex->resource;
275	resource->b.b = *base;
276	resource->b.vtbl = &r600_texture_vtbl;
277	pipe_reference_init(&resource->b.b.reference, 1);
278	resource->b.b.screen = screen;
279	rtex->pitch_override = pitch_in_bytes_override;
280	rtex->real_format = base->format;
281
282	/* don't include stencil-only formats which we don't support for rendering */
283	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));
284
285	rtex->surface = *surface;
286	r = r600_setup_surface(screen, rtex,
287			       pitch_in_bytes_override);
288	if (r) {
289		FREE(rtex);
290		return NULL;
291	}
292
293	/* Now create the backing buffer. */
294	if (!buf && alloc_bo) {
295		unsigned base_align = rtex->surface.bo_alignment;
296
297		if (!r600_init_resource(rscreen, resource, rtex->size, base_align, base->bind, base->usage)) {
298			FREE(rtex);
299			return NULL;
300		}
301	} else if (buf) {
302		resource->buf = buf;
303		resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
304		resource->domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM;
305	}
306	return rtex;
307}
308
309struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
310						const struct pipe_resource *templ)
311{
312	struct r600_screen *rscreen = (struct r600_screen*)screen;
313	struct radeon_surface surface;
314	unsigned array_mode = 0;
315	int r;
316
317	if (!(templ->flags & R600_RESOURCE_FLAG_TRANSFER)) {
318		if (!(templ->bind & PIPE_BIND_SCANOUT) &&
319		    templ->usage != PIPE_USAGE_STAGING &&
320		    templ->usage != PIPE_USAGE_STREAM) {
321			array_mode = V_038000_ARRAY_2D_TILED_THIN1;
322		} else if (util_format_is_compressed(templ->format)) {
323			array_mode = V_038000_ARRAY_1D_TILED_THIN1;
324		}
325	}
326
327	r = r600_init_surface(rscreen, &surface, templ, array_mode,
328			      templ->flags & R600_RESOURCE_FLAG_TRANSFER,
329			      templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH);
330	if (r) {
331		return NULL;
332	}
333	r = rscreen->ws->surface_best(rscreen->ws, &surface);
334	if (r) {
335		return NULL;
336	}
337	return (struct pipe_resource *)r600_texture_create_object(screen, templ,
338								  0, NULL, TRUE, &surface);
339}
340
341static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
342						struct pipe_resource *texture,
343						const struct pipe_surface *templ)
344{
345	struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
346	unsigned level = templ->u.tex.level;
347
348	assert(templ->u.tex.first_layer == templ->u.tex.last_layer);
349	if (surface == NULL)
350		return NULL;
351	pipe_reference_init(&surface->base.reference, 1);
352	pipe_resource_reference(&surface->base.texture, texture);
353	surface->base.context = pipe;
354	surface->base.format = templ->format;
355	surface->base.width = u_minify(texture->width0, level);
356	surface->base.height = u_minify(texture->height0, level);
357	surface->base.usage = templ->usage;
358	surface->base.u = templ->u;
359	return &surface->base;
360}
361
362static void r600_surface_destroy(struct pipe_context *pipe,
363				 struct pipe_surface *surface)
364{
365	pipe_resource_reference(&surface->texture, NULL);
366	FREE(surface);
367}
368
369struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
370					       const struct pipe_resource *templ,
371					       struct winsys_handle *whandle)
372{
373	struct r600_screen *rscreen = (struct r600_screen*)screen;
374	struct pb_buffer *buf = NULL;
375	unsigned stride = 0;
376	unsigned array_mode = 0;
377	enum radeon_bo_layout micro, macro;
378	struct radeon_surface surface;
379	int r;
380
381	/* Support only 2D textures without mipmaps */
382	if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
383	      templ->depth0 != 1 || templ->last_level != 0)
384		return NULL;
385
386	buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle, &stride);
387	if (!buf)
388		return NULL;
389
390	rscreen->ws->buffer_get_tiling(buf, &micro, &macro,
391				       &surface.bankw, &surface.bankh,
392				       &surface.tile_split,
393				       &surface.stencil_tile_split,
394				       &surface.mtilea);
395
396	if (macro == RADEON_LAYOUT_TILED)
397		array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
398	else if (micro == RADEON_LAYOUT_TILED)
399		array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
400	else
401		array_mode = 0;
402
403	r = r600_init_surface(rscreen, &surface, templ, array_mode, false, false);
404	if (r) {
405		return NULL;
406	}
407	return (struct pipe_resource *)r600_texture_create_object(screen, templ,
408								  stride, buf, FALSE, &surface);
409}
410
411bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
412				     struct pipe_resource *texture,
413				     struct r600_resource_texture **staging)
414{
415	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
416	struct pipe_resource resource;
417	struct r600_resource_texture **flushed_depth_texture = staging ?
418			staging : &rtex->flushed_depth_texture;
419
420	if (!staging && rtex->flushed_depth_texture)
421		return true; /* it's ready */
422
423	resource.target = texture->target;
424	resource.format = texture->format;
425	resource.width0 = texture->width0;
426	resource.height0 = texture->height0;
427	resource.depth0 = texture->depth0;
428	resource.array_size = texture->array_size;
429	resource.last_level = texture->last_level;
430	resource.nr_samples = texture->nr_samples;
431	resource.usage = staging ? PIPE_USAGE_STAGING : PIPE_USAGE_STATIC;
432	resource.bind = texture->bind & ~PIPE_BIND_DEPTH_STENCIL;
433	resource.flags = texture->flags | R600_RESOURCE_FLAG_FLUSHED_DEPTH;
434
435	if (staging)
436		resource.flags |= R600_RESOURCE_FLAG_TRANSFER;
437
438	*flushed_depth_texture = (struct r600_resource_texture *)ctx->screen->resource_create(ctx->screen, &resource);
439	if (*flushed_depth_texture == NULL) {
440		R600_ERR("failed to create temporary texture to hold flushed depth\n");
441		return false;
442	}
443
444	(*flushed_depth_texture)->is_flushing_texture = TRUE;
445	return true;
446}
447
448/* Needs adjustment for pixelformat:
449 */
450static INLINE unsigned u_box_volume( const struct pipe_box *box )
451{
452	return box->width * box->depth * box->height;
453}
454
455struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
456						struct pipe_resource *texture,
457						unsigned level,
458						unsigned usage,
459						const struct pipe_box *box)
460{
461	struct r600_context *rctx = (struct r600_context*)ctx;
462	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
463	struct pipe_resource resource;
464	struct r600_transfer *trans;
465	boolean use_staging_texture = FALSE;
466
467	/* We cannot map a tiled texture directly because the data is
468	 * in a different order, therefore we do detiling using a blit.
469	 *
470	 * Also, use a temporary in GTT memory for read transfers, as
471	 * the CPU is much happier reading out of cached system memory
472	 * than uncached VRAM.
473	 */
474	if (R600_TEX_IS_TILED(rtex, level)) {
475		use_staging_texture = TRUE;
476	}
477
478	if ((usage & PIPE_TRANSFER_READ) && u_box_volume(box) > 1024)
479		use_staging_texture = TRUE;
480
481	/* Use a staging texture for uploads if the underlying BO is busy. */
482	if (!(usage & PIPE_TRANSFER_READ) &&
483	    (rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||
484	     rctx->ws->buffer_is_busy(rtex->resource.buf, RADEON_USAGE_READWRITE))) {
485		use_staging_texture = TRUE;
486	}
487
488	if (texture->flags & R600_RESOURCE_FLAG_TRANSFER) {
489		use_staging_texture = FALSE;
490	}
491
492	if (use_staging_texture && (usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
493		return NULL;
494	}
495
496	trans = CALLOC_STRUCT(r600_transfer);
497	if (trans == NULL)
498		return NULL;
499	pipe_resource_reference(&trans->transfer.resource, texture);
500	trans->transfer.level = level;
501	trans->transfer.usage = usage;
502	trans->transfer.box = *box;
503	if (rtex->is_depth) {
504		/* XXX: only readback the rectangle which is being mapped?
505		*/
506		/* XXX: when discard is true, no need to read back from depth texture
507		*/
508		struct r600_resource_texture *staging_depth;
509
510		if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) {
511			R600_ERR("failed to create temporary texture to hold untiled copy\n");
512			pipe_resource_reference(&trans->transfer.resource, NULL);
513			FREE(trans);
514			return NULL;
515		}
516
517		r600_blit_uncompress_depth(ctx, rtex, staging_depth,
518					   level, level,
519					   box->z, box->z + box->depth - 1,
520					   0, 0);
521
522		trans->transfer.stride = staging_depth->pitch_in_bytes[level];
523		trans->offset = r600_texture_get_offset(staging_depth, level, box->z);
524		trans->staging = (struct r600_resource*)staging_depth;
525		return &trans->transfer;
526	} else if (use_staging_texture) {
527		resource.target = PIPE_TEXTURE_2D;
528		resource.format = texture->format;
529		resource.width0 = box->width;
530		resource.height0 = box->height;
531		resource.depth0 = 1;
532		resource.array_size = 1;
533		resource.last_level = 0;
534		resource.nr_samples = 0;
535		resource.usage = PIPE_USAGE_STAGING;
536		resource.bind = 0;
537		resource.flags = R600_RESOURCE_FLAG_TRANSFER;
538		/* For texture reading, the temporary (detiled) texture is used as
539		 * a render target when blitting from a tiled texture. */
540		if (usage & PIPE_TRANSFER_READ) {
541			resource.bind |= PIPE_BIND_RENDER_TARGET;
542		}
543		/* For texture writing, the temporary texture is used as a sampler
544		 * when blitting into a tiled texture. */
545		if (usage & PIPE_TRANSFER_WRITE) {
546			resource.bind |= PIPE_BIND_SAMPLER_VIEW;
547		}
548		/* Create the temporary texture. */
549		trans->staging = (struct r600_resource*)ctx->screen->resource_create(ctx->screen, &resource);
550		if (trans->staging == NULL) {
551			R600_ERR("failed to create temporary texture to hold untiled copy\n");
552			pipe_resource_reference(&trans->transfer.resource, NULL);
553			FREE(trans);
554			return NULL;
555		}
556
557		trans->transfer.stride =
558			((struct r600_resource_texture *)trans->staging)->pitch_in_bytes[0];
559		if (usage & PIPE_TRANSFER_READ) {
560			r600_copy_to_staging_texture(ctx, trans);
561			/* Always referenced in the blit. */
562			r600_flush(ctx, NULL, 0);
563		}
564		return &trans->transfer;
565	}
566	trans->transfer.stride = rtex->pitch_in_bytes[level];
567	trans->transfer.layer_stride = rtex->layer_size[level];
568	trans->offset = r600_texture_get_offset(rtex, level, box->z);
569	return &trans->transfer;
570}
571
572void r600_texture_transfer_destroy(struct pipe_context *ctx,
573				   struct pipe_transfer *transfer)
574{
575	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
576	struct pipe_resource *texture = transfer->resource;
577	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
578
579	if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) {
580		if (rtex->is_depth) {
581			ctx->resource_copy_region(ctx, texture, transfer->level,
582						  transfer->box.x, transfer->box.y, transfer->box.z,
583						  &rtransfer->staging->b.b, transfer->level,
584						  &transfer->box);
585		} else {
586			r600_copy_from_staging_texture(ctx, rtransfer);
587		}
588	}
589
590	if (rtransfer->staging)
591		pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL);
592
593	pipe_resource_reference(&transfer->resource, NULL);
594	FREE(transfer);
595}
596
597void* r600_texture_transfer_map(struct pipe_context *ctx,
598				struct pipe_transfer* transfer)
599{
600	struct r600_context *rctx = (struct r600_context *)ctx;
601	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
602	struct radeon_winsys_cs_handle *buf;
603	struct r600_resource_texture *rtex =
604			(struct r600_resource_texture*)transfer->resource;
605	enum pipe_format format = transfer->resource->format;
606	unsigned offset = 0;
607	char *map;
608
609	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
610		return r600_compute_global_transfer_map(ctx, transfer);
611	}
612
613	if (rtransfer->staging) {
614		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
615	} else {
616		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
617	}
618
619	if (rtex->is_depth || !rtransfer->staging)
620		offset = rtransfer->offset +
621			transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
622			transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
623
624	if (!(map = rctx->ws->buffer_map(buf, rctx->cs, transfer->usage))) {
625		return NULL;
626	}
627
628	return map + offset;
629}
630
631void r600_texture_transfer_unmap(struct pipe_context *ctx,
632				 struct pipe_transfer* transfer)
633{
634	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
635	struct r600_context *rctx = (struct r600_context*)ctx;
636	struct radeon_winsys_cs_handle *buf;
637
638	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
639		return r600_compute_global_transfer_unmap(ctx, transfer);
640	}
641
642	if (rtransfer->staging) {
643		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
644	} else {
645		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
646	}
647	rctx->ws->buffer_unmap(buf);
648}
649
650void r600_init_surface_functions(struct r600_context *r600)
651{
652	r600->context.create_surface = r600_create_surface;
653	r600->context.surface_destroy = r600_surface_destroy;
654}
655
656static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format,
657		const unsigned char *swizzle_view)
658{
659	unsigned i;
660	unsigned char swizzle[4];
661	unsigned result = 0;
662	const uint32_t swizzle_shift[4] = {
663		16, 19, 22, 25,
664	};
665	const uint32_t swizzle_bit[4] = {
666		0, 1, 2, 3,
667	};
668
669	if (swizzle_view) {
670		util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
671	} else {
672		memcpy(swizzle, swizzle_format, 4);
673	}
674
675	/* Get swizzle. */
676	for (i = 0; i < 4; i++) {
677		switch (swizzle[i]) {
678		case UTIL_FORMAT_SWIZZLE_Y:
679			result |= swizzle_bit[1] << swizzle_shift[i];
680			break;
681		case UTIL_FORMAT_SWIZZLE_Z:
682			result |= swizzle_bit[2] << swizzle_shift[i];
683			break;
684		case UTIL_FORMAT_SWIZZLE_W:
685			result |= swizzle_bit[3] << swizzle_shift[i];
686			break;
687		case UTIL_FORMAT_SWIZZLE_0:
688			result |= V_038010_SQ_SEL_0 << swizzle_shift[i];
689			break;
690		case UTIL_FORMAT_SWIZZLE_1:
691			result |= V_038010_SQ_SEL_1 << swizzle_shift[i];
692			break;
693		default: /* UTIL_FORMAT_SWIZZLE_X */
694			result |= swizzle_bit[0] << swizzle_shift[i];
695		}
696	}
697	return result;
698}
699
700/* texture format translate */
701uint32_t r600_translate_texformat(struct pipe_screen *screen,
702				  enum pipe_format format,
703				  const unsigned char *swizzle_view,
704				  uint32_t *word4_p, uint32_t *yuv_format_p)
705{
706	uint32_t result = 0, word4 = 0, yuv_format = 0;
707	const struct util_format_description *desc;
708	boolean uniform = TRUE;
709	static int r600_enable_s3tc = -1;
710	bool is_srgb_valid = FALSE;
711
712	int i;
713	const uint32_t sign_bit[4] = {
714		S_038010_FORMAT_COMP_X(V_038010_SQ_FORMAT_COMP_SIGNED),
715		S_038010_FORMAT_COMP_Y(V_038010_SQ_FORMAT_COMP_SIGNED),
716		S_038010_FORMAT_COMP_Z(V_038010_SQ_FORMAT_COMP_SIGNED),
717		S_038010_FORMAT_COMP_W(V_038010_SQ_FORMAT_COMP_SIGNED)
718	};
719	desc = util_format_description(format);
720
721	word4 |= r600_get_swizzle_combined(desc->swizzle, swizzle_view);
722
723	/* Colorspace (return non-RGB formats directly). */
724	switch (desc->colorspace) {
725		/* Depth stencil formats */
726	case UTIL_FORMAT_COLORSPACE_ZS:
727		switch (format) {
728		case PIPE_FORMAT_Z16_UNORM:
729			result = FMT_16;
730			goto out_word4;
731		case PIPE_FORMAT_X24S8_UINT:
732			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
733		case PIPE_FORMAT_Z24X8_UNORM:
734		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
735			result = FMT_8_24;
736			goto out_word4;
737		case PIPE_FORMAT_S8X24_UINT:
738			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
739		case PIPE_FORMAT_X8Z24_UNORM:
740		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
741			result = FMT_24_8;
742			goto out_word4;
743		case PIPE_FORMAT_S8_UINT:
744			result = FMT_8;
745			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
746			goto out_word4;
747		case PIPE_FORMAT_Z32_FLOAT:
748			result = FMT_32_FLOAT;
749			goto out_word4;
750		case PIPE_FORMAT_X32_S8X24_UINT:
751			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
752		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
753			result = FMT_X24_8_32_FLOAT;
754			goto out_word4;
755		default:
756			goto out_unknown;
757		}
758
759	case UTIL_FORMAT_COLORSPACE_YUV:
760		yuv_format |= (1 << 30);
761		switch (format) {
762		case PIPE_FORMAT_UYVY:
763		case PIPE_FORMAT_YUYV:
764		default:
765			break;
766		}
767		goto out_unknown; /* XXX */
768
769	case UTIL_FORMAT_COLORSPACE_SRGB:
770		word4 |= S_038010_FORCE_DEGAMMA(1);
771		break;
772
773	default:
774		break;
775	}
776
777	if (r600_enable_s3tc == -1) {
778		struct r600_screen *rscreen = (struct r600_screen *)screen;
779		if (rscreen->info.drm_minor >= 9)
780			r600_enable_s3tc = 1;
781		else
782			r600_enable_s3tc = debug_get_bool_option("R600_ENABLE_S3TC", FALSE);
783	}
784
785	if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
786		if (!r600_enable_s3tc)
787			goto out_unknown;
788
789		switch (format) {
790		case PIPE_FORMAT_RGTC1_SNORM:
791		case PIPE_FORMAT_LATC1_SNORM:
792			word4 |= sign_bit[0];
793		case PIPE_FORMAT_RGTC1_UNORM:
794		case PIPE_FORMAT_LATC1_UNORM:
795			result = FMT_BC4;
796			goto out_word4;
797		case PIPE_FORMAT_RGTC2_SNORM:
798		case PIPE_FORMAT_LATC2_SNORM:
799			word4 |= sign_bit[0] | sign_bit[1];
800		case PIPE_FORMAT_RGTC2_UNORM:
801		case PIPE_FORMAT_LATC2_UNORM:
802			result = FMT_BC5;
803			goto out_word4;
804		default:
805			goto out_unknown;
806		}
807	}
808
809	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
810
811		if (!r600_enable_s3tc)
812			goto out_unknown;
813
814		if (!util_format_s3tc_enabled) {
815			goto out_unknown;
816		}
817
818		switch (format) {
819		case PIPE_FORMAT_DXT1_RGB:
820		case PIPE_FORMAT_DXT1_RGBA:
821		case PIPE_FORMAT_DXT1_SRGB:
822		case PIPE_FORMAT_DXT1_SRGBA:
823			result = FMT_BC1;
824			is_srgb_valid = TRUE;
825			goto out_word4;
826		case PIPE_FORMAT_DXT3_RGBA:
827		case PIPE_FORMAT_DXT3_SRGBA:
828			result = FMT_BC2;
829			is_srgb_valid = TRUE;
830			goto out_word4;
831		case PIPE_FORMAT_DXT5_RGBA:
832		case PIPE_FORMAT_DXT5_SRGBA:
833			result = FMT_BC3;
834			is_srgb_valid = TRUE;
835			goto out_word4;
836		default:
837			goto out_unknown;
838		}
839	}
840
841	if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
842		switch (format) {
843		case PIPE_FORMAT_R8G8_B8G8_UNORM:
844		case PIPE_FORMAT_G8R8_B8R8_UNORM:
845			result = FMT_GB_GR;
846			goto out_word4;
847		case PIPE_FORMAT_G8R8_G8B8_UNORM:
848		case PIPE_FORMAT_R8G8_R8B8_UNORM:
849			result = FMT_BG_RG;
850			goto out_word4;
851		default:
852			goto out_unknown;
853		}
854	}
855
856	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
857		result = FMT_5_9_9_9_SHAREDEXP;
858		goto out_word4;
859	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
860		result = FMT_10_11_11_FLOAT;
861		goto out_word4;
862	}
863
864
865	for (i = 0; i < desc->nr_channels; i++) {
866		if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
867			word4 |= sign_bit[i];
868		}
869	}
870
871	/* R8G8Bx_SNORM - XXX CxV8U8 */
872
873	/* See whether the components are of the same size. */
874	for (i = 1; i < desc->nr_channels; i++) {
875		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
876	}
877
878	/* Non-uniform formats. */
879	if (!uniform) {
880		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
881		    desc->channel[0].pure_integer)
882			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
883		switch(desc->nr_channels) {
884		case 3:
885			if (desc->channel[0].size == 5 &&
886			    desc->channel[1].size == 6 &&
887			    desc->channel[2].size == 5) {
888				result = FMT_5_6_5;
889				goto out_word4;
890			}
891			goto out_unknown;
892		case 4:
893			if (desc->channel[0].size == 5 &&
894			    desc->channel[1].size == 5 &&
895			    desc->channel[2].size == 5 &&
896			    desc->channel[3].size == 1) {
897				result = FMT_1_5_5_5;
898				goto out_word4;
899			}
900			if (desc->channel[0].size == 10 &&
901			    desc->channel[1].size == 10 &&
902			    desc->channel[2].size == 10 &&
903			    desc->channel[3].size == 2) {
904				result = FMT_2_10_10_10;
905				goto out_word4;
906			}
907			goto out_unknown;
908		}
909		goto out_unknown;
910	}
911
912	/* Find the first non-VOID channel. */
913	for (i = 0; i < 4; i++) {
914		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
915			break;
916		}
917	}
918
919	if (i == 4)
920		goto out_unknown;
921
922	/* uniform formats */
923	switch (desc->channel[i].type) {
924	case UTIL_FORMAT_TYPE_UNSIGNED:
925	case UTIL_FORMAT_TYPE_SIGNED:
926#if 0
927		if (!desc->channel[i].normalized &&
928		    desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
929			goto out_unknown;
930		}
931#endif
932		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
933		    desc->channel[i].pure_integer)
934			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
935
936		switch (desc->channel[i].size) {
937		case 4:
938			switch (desc->nr_channels) {
939			case 2:
940				result = FMT_4_4;
941				goto out_word4;
942			case 4:
943				result = FMT_4_4_4_4;
944				goto out_word4;
945			}
946			goto out_unknown;
947		case 8:
948			switch (desc->nr_channels) {
949			case 1:
950				result = FMT_8;
951				goto out_word4;
952			case 2:
953				result = FMT_8_8;
954				goto out_word4;
955			case 4:
956				result = FMT_8_8_8_8;
957				is_srgb_valid = TRUE;
958				goto out_word4;
959			}
960			goto out_unknown;
961		case 16:
962			switch (desc->nr_channels) {
963			case 1:
964				result = FMT_16;
965				goto out_word4;
966			case 2:
967				result = FMT_16_16;
968				goto out_word4;
969			case 4:
970				result = FMT_16_16_16_16;
971				goto out_word4;
972			}
973			goto out_unknown;
974		case 32:
975			switch (desc->nr_channels) {
976			case 1:
977				result = FMT_32;
978				goto out_word4;
979			case 2:
980				result = FMT_32_32;
981				goto out_word4;
982			case 4:
983				result = FMT_32_32_32_32;
984				goto out_word4;
985			}
986		}
987		goto out_unknown;
988
989	case UTIL_FORMAT_TYPE_FLOAT:
990		switch (desc->channel[i].size) {
991		case 16:
992			switch (desc->nr_channels) {
993			case 1:
994				result = FMT_16_FLOAT;
995				goto out_word4;
996			case 2:
997				result = FMT_16_16_FLOAT;
998				goto out_word4;
999			case 4:
1000				result = FMT_16_16_16_16_FLOAT;
1001				goto out_word4;
1002			}
1003			goto out_unknown;
1004		case 32:
1005			switch (desc->nr_channels) {
1006			case 1:
1007				result = FMT_32_FLOAT;
1008				goto out_word4;
1009			case 2:
1010				result = FMT_32_32_FLOAT;
1011				goto out_word4;
1012			case 4:
1013				result = FMT_32_32_32_32_FLOAT;
1014				goto out_word4;
1015			}
1016		}
1017		goto out_unknown;
1018	}
1019
1020out_word4:
1021
1022	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB && !is_srgb_valid)
1023		return ~0;
1024	if (word4_p)
1025		*word4_p = word4;
1026	if (yuv_format_p)
1027		*yuv_format_p = yuv_format;
1028	return result;
1029out_unknown:
1030	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1031	return ~0;
1032}
1033