r600_texture.c revision 1ea263fccb9259218addec9e805db075be9eba7c
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 = 1;
102	surface->flags = 0;
103	switch (array_mode) {
104	case V_038000_ARRAY_1D_TILED_THIN1:
105		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
106		break;
107	case V_038000_ARRAY_2D_TILED_THIN1:
108		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
109		break;
110	case V_038000_ARRAY_LINEAR_ALIGNED:
111		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE);
112		break;
113	case V_038000_ARRAY_LINEAR_GENERAL:
114	default:
115		surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE);
116		break;
117	}
118	switch (ptex->target) {
119	case PIPE_TEXTURE_1D:
120		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE);
121		break;
122	case PIPE_TEXTURE_RECT:
123	case PIPE_TEXTURE_2D:
124		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
125		break;
126	case PIPE_TEXTURE_3D:
127		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE);
128		break;
129	case PIPE_TEXTURE_1D_ARRAY:
130		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE);
131		surface->array_size = ptex->array_size;
132		break;
133	case PIPE_TEXTURE_2D_ARRAY:
134		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE);
135		surface->array_size = ptex->array_size;
136		break;
137	case PIPE_TEXTURE_CUBE:
138		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE);
139		break;
140	case PIPE_BUFFER:
141	default:
142		return -EINVAL;
143	}
144	if (ptex->bind & PIPE_BIND_SCANOUT) {
145		surface->flags |= RADEON_SURF_SCANOUT;
146	}
147
148	if (!is_transfer && !is_flushed_depth && is_depth) {
149		surface->flags |= RADEON_SURF_ZBUFFER;
150
151		if (is_stencil) {
152			surface->flags |= RADEON_SURF_SBUFFER;
153		}
154	}
155	return 0;
156}
157
158static int r600_setup_surface(struct pipe_screen *screen,
159			      struct r600_resource_texture *rtex,
160			      unsigned pitch_in_bytes_override)
161{
162	struct pipe_resource *ptex = &rtex->resource.b.b;
163	struct r600_screen *rscreen = (struct r600_screen*)screen;
164	unsigned i;
165	int r;
166
167	r = rscreen->ws->surface_init(rscreen->ws, &rtex->surface);
168	if (r) {
169		return r;
170	}
171	rtex->size = rtex->surface.bo_size;
172	if (pitch_in_bytes_override && pitch_in_bytes_override != rtex->surface.level[0].pitch_bytes) {
173		/* old ddx on evergreen over estimate alignment for 1d, only 1 level
174		 * for those
175		 */
176		rtex->surface.level[0].nblk_x = pitch_in_bytes_override / rtex->surface.bpe;
177		rtex->surface.level[0].pitch_bytes = pitch_in_bytes_override;
178		rtex->surface.level[0].slice_size = pitch_in_bytes_override * rtex->surface.level[0].nblk_y;
179		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
180			rtex->surface.stencil_offset = rtex->surface.level[0].slice_size;
181		}
182	}
183	for (i = 0; i <= ptex->last_level; i++) {
184		rtex->offset[i] = rtex->surface.level[i].offset;
185		rtex->layer_size[i] = rtex->surface.level[i].slice_size;
186		rtex->pitch_in_bytes[i] = rtex->surface.level[i].pitch_bytes;
187		switch (rtex->surface.level[i].mode) {
188		case RADEON_SURF_MODE_LINEAR_ALIGNED:
189			rtex->array_mode[i] = V_038000_ARRAY_LINEAR_ALIGNED;
190			break;
191		case RADEON_SURF_MODE_1D:
192			rtex->array_mode[i] = V_038000_ARRAY_1D_TILED_THIN1;
193			break;
194		case RADEON_SURF_MODE_2D:
195			rtex->array_mode[i] = V_038000_ARRAY_2D_TILED_THIN1;
196			break;
197		default:
198		case RADEON_SURF_MODE_LINEAR:
199			rtex->array_mode[i] = 0;
200			break;
201		}
202	}
203	return 0;
204}
205
206static boolean r600_texture_get_handle(struct pipe_screen* screen,
207					struct pipe_resource *ptex,
208					struct winsys_handle *whandle)
209{
210	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
211	struct r600_resource *resource = &rtex->resource;
212	struct radeon_surface *surface = &rtex->surface;
213	struct r600_screen *rscreen = (struct r600_screen*)screen;
214
215	rscreen->ws->buffer_set_tiling(resource->buf,
216				       NULL,
217				       surface->level[0].mode >= RADEON_SURF_MODE_1D ?
218				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
219				       surface->level[0].mode >= RADEON_SURF_MODE_2D ?
220				       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
221				       surface->bankw, surface->bankh,
222				       surface->tile_split,
223				       surface->stencil_tile_split,
224				       surface->mtilea,
225				       rtex->pitch_in_bytes[0]);
226
227	return rscreen->ws->buffer_get_handle(resource->buf,
228					      rtex->pitch_in_bytes[0], whandle);
229}
230
231static void r600_texture_destroy(struct pipe_screen *screen,
232				 struct pipe_resource *ptex)
233{
234	struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex;
235	struct r600_resource *resource = &rtex->resource;
236
237	if (rtex->flushed_depth_texture)
238		pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL);
239
240	pb_reference(&resource->buf, NULL);
241	FREE(rtex);
242}
243
244static const struct u_resource_vtbl r600_texture_vtbl =
245{
246	r600_texture_get_handle,	/* get_handle */
247	r600_texture_destroy,		/* resource_destroy */
248	r600_texture_get_transfer,	/* get_transfer */
249	r600_texture_transfer_destroy,	/* transfer_destroy */
250	r600_texture_transfer_map,	/* transfer_map */
251	NULL,				/* transfer_flush_region */
252	r600_texture_transfer_unmap,	/* transfer_unmap */
253	NULL				/* transfer_inline_write */
254};
255
256static struct r600_resource_texture *
257r600_texture_create_object(struct pipe_screen *screen,
258			   const struct pipe_resource *base,
259			   unsigned array_mode,
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, array_mode,
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, array_mode,
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_DYNAMIC : PIPE_USAGE_DEFAULT;
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
521		trans->transfer.stride = staging_depth->pitch_in_bytes[level];
522		trans->offset = r600_texture_get_offset(staging_depth, level, box->z);
523		trans->staging = (struct r600_resource*)staging_depth;
524		return &trans->transfer;
525	} else if (use_staging_texture) {
526		resource.target = PIPE_TEXTURE_2D;
527		resource.format = texture->format;
528		resource.width0 = box->width;
529		resource.height0 = box->height;
530		resource.depth0 = 1;
531		resource.array_size = 1;
532		resource.last_level = 0;
533		resource.nr_samples = 0;
534		resource.usage = PIPE_USAGE_STAGING;
535		resource.bind = 0;
536		resource.flags = R600_RESOURCE_FLAG_TRANSFER;
537		/* For texture reading, the temporary (detiled) texture is used as
538		 * a render target when blitting from a tiled texture. */
539		if (usage & PIPE_TRANSFER_READ) {
540			resource.bind |= PIPE_BIND_RENDER_TARGET;
541		}
542		/* For texture writing, the temporary texture is used as a sampler
543		 * when blitting into a tiled texture. */
544		if (usage & PIPE_TRANSFER_WRITE) {
545			resource.bind |= PIPE_BIND_SAMPLER_VIEW;
546		}
547		/* Create the temporary texture. */
548		trans->staging = (struct r600_resource*)ctx->screen->resource_create(ctx->screen, &resource);
549		if (trans->staging == NULL) {
550			R600_ERR("failed to create temporary texture to hold untiled copy\n");
551			pipe_resource_reference(&trans->transfer.resource, NULL);
552			FREE(trans);
553			return NULL;
554		}
555
556		trans->transfer.stride =
557			((struct r600_resource_texture *)trans->staging)->pitch_in_bytes[0];
558		if (usage & PIPE_TRANSFER_READ) {
559			r600_copy_to_staging_texture(ctx, trans);
560			/* Always referenced in the blit. */
561			r600_flush(ctx, NULL, 0);
562		}
563		return &trans->transfer;
564	}
565	trans->transfer.stride = rtex->pitch_in_bytes[level];
566	trans->transfer.layer_stride = rtex->layer_size[level];
567	trans->offset = r600_texture_get_offset(rtex, level, box->z);
568	return &trans->transfer;
569}
570
571void r600_texture_transfer_destroy(struct pipe_context *ctx,
572				   struct pipe_transfer *transfer)
573{
574	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
575	struct pipe_resource *texture = transfer->resource;
576	struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
577
578	if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) {
579		if (rtex->is_depth) {
580			ctx->resource_copy_region(ctx, texture, transfer->level,
581						  transfer->box.x, transfer->box.y, transfer->box.z,
582						  &rtransfer->staging->b.b, transfer->level,
583						  &transfer->box);
584		} else {
585			r600_copy_from_staging_texture(ctx, rtransfer);
586		}
587	}
588
589	if (rtransfer->staging)
590		pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL);
591
592	pipe_resource_reference(&transfer->resource, NULL);
593	FREE(transfer);
594}
595
596void* r600_texture_transfer_map(struct pipe_context *ctx,
597				struct pipe_transfer* transfer)
598{
599	struct r600_context *rctx = (struct r600_context *)ctx;
600	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
601	struct radeon_winsys_cs_handle *buf;
602	struct r600_resource_texture *rtex =
603			(struct r600_resource_texture*)transfer->resource;
604	enum pipe_format format = transfer->resource->format;
605	unsigned offset = 0;
606	char *map;
607
608	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
609		return r600_compute_global_transfer_map(ctx, transfer);
610	}
611
612	if (rtransfer->staging) {
613		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
614	} else {
615		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
616	}
617
618	if (rtex->is_depth || !rtransfer->staging)
619		offset = rtransfer->offset +
620			transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
621			transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
622
623	if (!(map = rctx->ws->buffer_map(buf, rctx->cs, transfer->usage))) {
624		return NULL;
625	}
626
627	return map + offset;
628}
629
630void r600_texture_transfer_unmap(struct pipe_context *ctx,
631				 struct pipe_transfer* transfer)
632{
633	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
634	struct r600_context *rctx = (struct r600_context*)ctx;
635	struct radeon_winsys_cs_handle *buf;
636
637	if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) {
638		return r600_compute_global_transfer_unmap(ctx, transfer);
639	}
640
641	if (rtransfer->staging) {
642		buf = ((struct r600_resource *)rtransfer->staging)->cs_buf;
643	} else {
644		buf = ((struct r600_resource *)transfer->resource)->cs_buf;
645	}
646	rctx->ws->buffer_unmap(buf);
647}
648
649void r600_init_surface_functions(struct r600_context *r600)
650{
651	r600->context.create_surface = r600_create_surface;
652	r600->context.surface_destroy = r600_surface_destroy;
653}
654
655static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format,
656		const unsigned char *swizzle_view)
657{
658	unsigned i;
659	unsigned char swizzle[4];
660	unsigned result = 0;
661	const uint32_t swizzle_shift[4] = {
662		16, 19, 22, 25,
663	};
664	const uint32_t swizzle_bit[4] = {
665		0, 1, 2, 3,
666	};
667
668	if (swizzle_view) {
669		util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
670	} else {
671		memcpy(swizzle, swizzle_format, 4);
672	}
673
674	/* Get swizzle. */
675	for (i = 0; i < 4; i++) {
676		switch (swizzle[i]) {
677		case UTIL_FORMAT_SWIZZLE_Y:
678			result |= swizzle_bit[1] << swizzle_shift[i];
679			break;
680		case UTIL_FORMAT_SWIZZLE_Z:
681			result |= swizzle_bit[2] << swizzle_shift[i];
682			break;
683		case UTIL_FORMAT_SWIZZLE_W:
684			result |= swizzle_bit[3] << swizzle_shift[i];
685			break;
686		case UTIL_FORMAT_SWIZZLE_0:
687			result |= V_038010_SQ_SEL_0 << swizzle_shift[i];
688			break;
689		case UTIL_FORMAT_SWIZZLE_1:
690			result |= V_038010_SQ_SEL_1 << swizzle_shift[i];
691			break;
692		default: /* UTIL_FORMAT_SWIZZLE_X */
693			result |= swizzle_bit[0] << swizzle_shift[i];
694		}
695	}
696	return result;
697}
698
699/* texture format translate */
700uint32_t r600_translate_texformat(struct pipe_screen *screen,
701				  enum pipe_format format,
702				  const unsigned char *swizzle_view,
703				  uint32_t *word4_p, uint32_t *yuv_format_p)
704{
705	uint32_t result = 0, word4 = 0, yuv_format = 0;
706	const struct util_format_description *desc;
707	boolean uniform = TRUE;
708	static int r600_enable_s3tc = -1;
709	bool is_srgb_valid = FALSE;
710
711	int i;
712	const uint32_t sign_bit[4] = {
713		S_038010_FORMAT_COMP_X(V_038010_SQ_FORMAT_COMP_SIGNED),
714		S_038010_FORMAT_COMP_Y(V_038010_SQ_FORMAT_COMP_SIGNED),
715		S_038010_FORMAT_COMP_Z(V_038010_SQ_FORMAT_COMP_SIGNED),
716		S_038010_FORMAT_COMP_W(V_038010_SQ_FORMAT_COMP_SIGNED)
717	};
718	desc = util_format_description(format);
719
720	word4 |= r600_get_swizzle_combined(desc->swizzle, swizzle_view);
721
722	/* Colorspace (return non-RGB formats directly). */
723	switch (desc->colorspace) {
724		/* Depth stencil formats */
725	case UTIL_FORMAT_COLORSPACE_ZS:
726		switch (format) {
727		case PIPE_FORMAT_Z16_UNORM:
728			result = FMT_16;
729			goto out_word4;
730		case PIPE_FORMAT_X24S8_UINT:
731			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
732		case PIPE_FORMAT_Z24X8_UNORM:
733		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
734			result = FMT_8_24;
735			goto out_word4;
736		case PIPE_FORMAT_S8X24_UINT:
737			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
738		case PIPE_FORMAT_X8Z24_UNORM:
739		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
740			result = FMT_24_8;
741			goto out_word4;
742		case PIPE_FORMAT_S8_UINT:
743			result = FMT_8;
744			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
745			goto out_word4;
746		case PIPE_FORMAT_Z32_FLOAT:
747			result = FMT_32_FLOAT;
748			goto out_word4;
749		case PIPE_FORMAT_X32_S8X24_UINT:
750			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
751		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
752			result = FMT_X24_8_32_FLOAT;
753			goto out_word4;
754		default:
755			goto out_unknown;
756		}
757
758	case UTIL_FORMAT_COLORSPACE_YUV:
759		yuv_format |= (1 << 30);
760		switch (format) {
761		case PIPE_FORMAT_UYVY:
762		case PIPE_FORMAT_YUYV:
763		default:
764			break;
765		}
766		goto out_unknown; /* XXX */
767
768	case UTIL_FORMAT_COLORSPACE_SRGB:
769		word4 |= S_038010_FORCE_DEGAMMA(1);
770		break;
771
772	default:
773		break;
774	}
775
776	if (r600_enable_s3tc == -1) {
777		struct r600_screen *rscreen = (struct r600_screen *)screen;
778		if (rscreen->info.drm_minor >= 9)
779			r600_enable_s3tc = 1;
780		else
781			r600_enable_s3tc = debug_get_bool_option("R600_ENABLE_S3TC", FALSE);
782	}
783
784	if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
785		if (!r600_enable_s3tc)
786			goto out_unknown;
787
788		switch (format) {
789		case PIPE_FORMAT_RGTC1_SNORM:
790		case PIPE_FORMAT_LATC1_SNORM:
791			word4 |= sign_bit[0];
792		case PIPE_FORMAT_RGTC1_UNORM:
793		case PIPE_FORMAT_LATC1_UNORM:
794			result = FMT_BC4;
795			goto out_word4;
796		case PIPE_FORMAT_RGTC2_SNORM:
797		case PIPE_FORMAT_LATC2_SNORM:
798			word4 |= sign_bit[0] | sign_bit[1];
799		case PIPE_FORMAT_RGTC2_UNORM:
800		case PIPE_FORMAT_LATC2_UNORM:
801			result = FMT_BC5;
802			goto out_word4;
803		default:
804			goto out_unknown;
805		}
806	}
807
808	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
809
810		if (!r600_enable_s3tc)
811			goto out_unknown;
812
813		if (!util_format_s3tc_enabled) {
814			goto out_unknown;
815		}
816
817		switch (format) {
818		case PIPE_FORMAT_DXT1_RGB:
819		case PIPE_FORMAT_DXT1_RGBA:
820		case PIPE_FORMAT_DXT1_SRGB:
821		case PIPE_FORMAT_DXT1_SRGBA:
822			result = FMT_BC1;
823			is_srgb_valid = TRUE;
824			goto out_word4;
825		case PIPE_FORMAT_DXT3_RGBA:
826		case PIPE_FORMAT_DXT3_SRGBA:
827			result = FMT_BC2;
828			is_srgb_valid = TRUE;
829			goto out_word4;
830		case PIPE_FORMAT_DXT5_RGBA:
831		case PIPE_FORMAT_DXT5_SRGBA:
832			result = FMT_BC3;
833			is_srgb_valid = TRUE;
834			goto out_word4;
835		default:
836			goto out_unknown;
837		}
838	}
839
840	if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
841		switch (format) {
842		case PIPE_FORMAT_R8G8_B8G8_UNORM:
843		case PIPE_FORMAT_G8R8_B8R8_UNORM:
844			result = FMT_GB_GR;
845			goto out_word4;
846		case PIPE_FORMAT_G8R8_G8B8_UNORM:
847		case PIPE_FORMAT_R8G8_R8B8_UNORM:
848			result = FMT_BG_RG;
849			goto out_word4;
850		default:
851			goto out_unknown;
852		}
853	}
854
855	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
856		result = FMT_5_9_9_9_SHAREDEXP;
857		goto out_word4;
858	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
859		result = FMT_10_11_11_FLOAT;
860		goto out_word4;
861	}
862
863
864	for (i = 0; i < desc->nr_channels; i++) {
865		if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
866			word4 |= sign_bit[i];
867		}
868	}
869
870	/* R8G8Bx_SNORM - XXX CxV8U8 */
871
872	/* See whether the components are of the same size. */
873	for (i = 1; i < desc->nr_channels; i++) {
874		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
875	}
876
877	/* Non-uniform formats. */
878	if (!uniform) {
879		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
880		    desc->channel[0].pure_integer)
881			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
882		switch(desc->nr_channels) {
883		case 3:
884			if (desc->channel[0].size == 5 &&
885			    desc->channel[1].size == 6 &&
886			    desc->channel[2].size == 5) {
887				result = FMT_5_6_5;
888				goto out_word4;
889			}
890			goto out_unknown;
891		case 4:
892			if (desc->channel[0].size == 5 &&
893			    desc->channel[1].size == 5 &&
894			    desc->channel[2].size == 5 &&
895			    desc->channel[3].size == 1) {
896				result = FMT_1_5_5_5;
897				goto out_word4;
898			}
899			if (desc->channel[0].size == 10 &&
900			    desc->channel[1].size == 10 &&
901			    desc->channel[2].size == 10 &&
902			    desc->channel[3].size == 2) {
903				result = FMT_2_10_10_10;
904				goto out_word4;
905			}
906			goto out_unknown;
907		}
908		goto out_unknown;
909	}
910
911	/* Find the first non-VOID channel. */
912	for (i = 0; i < 4; i++) {
913		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
914			break;
915		}
916	}
917
918	if (i == 4)
919		goto out_unknown;
920
921	/* uniform formats */
922	switch (desc->channel[i].type) {
923	case UTIL_FORMAT_TYPE_UNSIGNED:
924	case UTIL_FORMAT_TYPE_SIGNED:
925#if 0
926		if (!desc->channel[i].normalized &&
927		    desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
928			goto out_unknown;
929		}
930#endif
931		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
932		    desc->channel[i].pure_integer)
933			word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT);
934
935		switch (desc->channel[i].size) {
936		case 4:
937			switch (desc->nr_channels) {
938			case 2:
939				result = FMT_4_4;
940				goto out_word4;
941			case 4:
942				result = FMT_4_4_4_4;
943				goto out_word4;
944			}
945			goto out_unknown;
946		case 8:
947			switch (desc->nr_channels) {
948			case 1:
949				result = FMT_8;
950				goto out_word4;
951			case 2:
952				result = FMT_8_8;
953				goto out_word4;
954			case 4:
955				result = FMT_8_8_8_8;
956				is_srgb_valid = TRUE;
957				goto out_word4;
958			}
959			goto out_unknown;
960		case 16:
961			switch (desc->nr_channels) {
962			case 1:
963				result = FMT_16;
964				goto out_word4;
965			case 2:
966				result = FMT_16_16;
967				goto out_word4;
968			case 4:
969				result = FMT_16_16_16_16;
970				goto out_word4;
971			}
972			goto out_unknown;
973		case 32:
974			switch (desc->nr_channels) {
975			case 1:
976				result = FMT_32;
977				goto out_word4;
978			case 2:
979				result = FMT_32_32;
980				goto out_word4;
981			case 4:
982				result = FMT_32_32_32_32;
983				goto out_word4;
984			}
985		}
986		goto out_unknown;
987
988	case UTIL_FORMAT_TYPE_FLOAT:
989		switch (desc->channel[i].size) {
990		case 16:
991			switch (desc->nr_channels) {
992			case 1:
993				result = FMT_16_FLOAT;
994				goto out_word4;
995			case 2:
996				result = FMT_16_16_FLOAT;
997				goto out_word4;
998			case 4:
999				result = FMT_16_16_16_16_FLOAT;
1000				goto out_word4;
1001			}
1002			goto out_unknown;
1003		case 32:
1004			switch (desc->nr_channels) {
1005			case 1:
1006				result = FMT_32_FLOAT;
1007				goto out_word4;
1008			case 2:
1009				result = FMT_32_32_FLOAT;
1010				goto out_word4;
1011			case 4:
1012				result = FMT_32_32_32_32_FLOAT;
1013				goto out_word4;
1014			}
1015		}
1016		goto out_unknown;
1017	}
1018
1019out_word4:
1020
1021	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB && !is_srgb_valid)
1022		return ~0;
1023	if (word4_p)
1024		*word4_p = word4;
1025	if (yuv_format_p)
1026		*yuv_format_p = yuv_format;
1027	return result;
1028out_unknown:
1029	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1030	return ~0;
1031}
1032