freedreno_resource.c revision 2c8674f5a90f236b9e07b759d49911d79921bc78
1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3/*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 *    Rob Clark <robclark@freedesktop.org>
27 */
28
29#include "util/u_format.h"
30#include "util/u_format_rgtc.h"
31#include "util/u_format_zs.h"
32#include "util/u_inlines.h"
33#include "util/u_transfer.h"
34#include "util/u_string.h"
35#include "util/u_surface.h"
36
37#include "freedreno_resource.h"
38#include "freedreno_screen.h"
39#include "freedreno_surface.h"
40#include "freedreno_context.h"
41#include "freedreno_query_hw.h"
42#include "freedreno_util.h"
43
44#include <errno.h>
45
46/* XXX this should go away, needed for 'struct winsys_handle' */
47#include "state_tracker/drm_driver.h"
48
49static bool
50pending(struct fd_resource *rsc, enum fd_resource_status status)
51{
52	return (rsc->status & status) ||
53		(rsc->stencil && (rsc->stencil->status & status));
54}
55
56static void
57fd_invalidate_resource(struct fd_context *ctx, struct pipe_resource *prsc)
58{
59	int i;
60
61	/* Go through the entire state and see if the resource is bound
62	 * anywhere. If it is, mark the relevant state as dirty. This is called on
63	 * realloc_bo.
64	 */
65
66	/* Constbufs */
67	for (i = 1; i < PIPE_MAX_CONSTANT_BUFFERS && !(ctx->dirty & FD_DIRTY_CONSTBUF); i++) {
68		if (ctx->constbuf[PIPE_SHADER_VERTEX].cb[i].buffer == prsc)
69			ctx->dirty |= FD_DIRTY_CONSTBUF;
70		if (ctx->constbuf[PIPE_SHADER_FRAGMENT].cb[i].buffer == prsc)
71			ctx->dirty |= FD_DIRTY_CONSTBUF;
72	}
73
74	/* VBOs */
75	for (i = 0; i < ctx->vtx.vertexbuf.count && !(ctx->dirty & FD_DIRTY_VTXBUF); i++) {
76		if (ctx->vtx.vertexbuf.vb[i].buffer == prsc)
77			ctx->dirty |= FD_DIRTY_VTXBUF;
78	}
79
80	/* Index buffer */
81	if (ctx->indexbuf.buffer == prsc)
82		ctx->dirty |= FD_DIRTY_INDEXBUF;
83
84	/* Textures */
85	for (i = 0; i < ctx->verttex.num_textures && !(ctx->dirty & FD_DIRTY_VERTTEX); i++) {
86		if (ctx->verttex.textures[i] && (ctx->verttex.textures[i]->texture == prsc))
87			ctx->dirty |= FD_DIRTY_VERTTEX;
88	}
89	for (i = 0; i < ctx->fragtex.num_textures && !(ctx->dirty & FD_DIRTY_FRAGTEX); i++) {
90		if (ctx->fragtex.textures[i] && (ctx->fragtex.textures[i]->texture == prsc))
91			ctx->dirty |= FD_DIRTY_FRAGTEX;
92	}
93}
94
95static void
96realloc_bo(struct fd_resource *rsc, uint32_t size)
97{
98	struct fd_screen *screen = fd_screen(rsc->base.b.screen);
99	uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
100			DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
101
102	/* if we start using things other than write-combine,
103	 * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT
104	 */
105
106	if (rsc->bo)
107		fd_bo_del(rsc->bo);
108
109	rsc->bo = fd_bo_new(screen->dev, size, flags);
110	rsc->timestamp = 0;
111	rsc->status = 0;
112	rsc->pending_ctx = NULL;
113	list_delinit(&rsc->list);
114	util_range_set_empty(&rsc->valid_buffer_range);
115}
116
117static unsigned
118fd_resource_layer_offset(struct fd_resource *rsc,
119						 struct fd_resource_slice *slice,
120						 unsigned layer)
121{
122	if (rsc->layer_first)
123		return layer * rsc->layer_size;
124	else
125		return layer * slice->size0;
126}
127
128static void
129fd_resource_flush_z32s8(struct fd_transfer *trans, const struct pipe_box *box)
130{
131	struct fd_resource *rsc = fd_resource(trans->base.resource);
132	struct fd_resource_slice *slice = fd_resource_slice(rsc, trans->base.level);
133	struct fd_resource_slice *sslice = fd_resource_slice(rsc->stencil, trans->base.level);
134	enum pipe_format format = trans->base.resource->format;
135
136	float *depth = fd_bo_map(rsc->bo) + slice->offset +
137		fd_resource_layer_offset(rsc, slice, trans->base.box.z) +
138		(trans->base.box.y + box->y) * slice->pitch * 4 + (trans->base.box.x + box->x) * 4;
139	uint8_t *stencil = fd_bo_map(rsc->stencil->bo) + sslice->offset +
140		fd_resource_layer_offset(rsc->stencil, sslice, trans->base.box.z) +
141		(trans->base.box.y + box->y) * sslice->pitch + trans->base.box.x + box->x;
142
143	if (format != PIPE_FORMAT_X32_S8X24_UINT)
144		util_format_z32_float_s8x24_uint_unpack_z_float(
145				depth, slice->pitch * 4,
146				trans->staging, trans->base.stride,
147				box->width, box->height);
148
149	util_format_z32_float_s8x24_uint_unpack_s_8uint(
150			stencil, sslice->pitch,
151			trans->staging, trans->base.stride,
152			box->width, box->height);
153}
154
155static void
156fd_resource_flush_rgtc(struct fd_transfer *trans, const struct pipe_box *box)
157{
158	struct fd_resource *rsc = fd_resource(trans->base.resource);
159	struct fd_resource_slice *slice = fd_resource_slice(rsc, trans->base.level);
160	enum pipe_format format = trans->base.resource->format;
161
162	uint8_t *data = fd_bo_map(rsc->bo) + slice->offset +
163		fd_resource_layer_offset(rsc, slice, trans->base.box.z) +
164		((trans->base.box.y + box->y) * slice->pitch +
165		 trans->base.box.x + box->x) * rsc->cpp;
166
167	uint8_t *source = trans->staging +
168		util_format_get_nblocksy(format, box->y) * trans->base.stride +
169		util_format_get_stride(format, box->x);
170
171	switch (format) {
172	case PIPE_FORMAT_RGTC1_UNORM:
173	case PIPE_FORMAT_RGTC1_SNORM:
174	case PIPE_FORMAT_LATC1_UNORM:
175	case PIPE_FORMAT_LATC1_SNORM:
176		util_format_rgtc1_unorm_unpack_rgba_8unorm(
177				data, slice->pitch * rsc->cpp,
178				source, trans->base.stride,
179				box->width, box->height);
180		break;
181	case PIPE_FORMAT_RGTC2_UNORM:
182	case PIPE_FORMAT_RGTC2_SNORM:
183	case PIPE_FORMAT_LATC2_UNORM:
184	case PIPE_FORMAT_LATC2_SNORM:
185		util_format_rgtc2_unorm_unpack_rgba_8unorm(
186				data, slice->pitch * rsc->cpp,
187				source, trans->base.stride,
188				box->width, box->height);
189		break;
190	default:
191		assert(!"Unexpected format\n");
192		break;
193	}
194}
195
196static void
197fd_resource_flush(struct fd_transfer *trans, const struct pipe_box *box)
198{
199	enum pipe_format format = trans->base.resource->format;
200
201	switch (format) {
202	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
203	case PIPE_FORMAT_X32_S8X24_UINT:
204		fd_resource_flush_z32s8(trans, box);
205		break;
206	case PIPE_FORMAT_RGTC1_UNORM:
207	case PIPE_FORMAT_RGTC1_SNORM:
208	case PIPE_FORMAT_RGTC2_UNORM:
209	case PIPE_FORMAT_RGTC2_SNORM:
210	case PIPE_FORMAT_LATC1_UNORM:
211	case PIPE_FORMAT_LATC1_SNORM:
212	case PIPE_FORMAT_LATC2_UNORM:
213	case PIPE_FORMAT_LATC2_SNORM:
214		fd_resource_flush_rgtc(trans, box);
215		break;
216	default:
217		assert(!"Unexpected staging transfer type");
218		break;
219	}
220}
221
222static void fd_resource_transfer_flush_region(struct pipe_context *pctx,
223		struct pipe_transfer *ptrans,
224		const struct pipe_box *box)
225{
226	struct fd_resource *rsc = fd_resource(ptrans->resource);
227	struct fd_transfer *trans = fd_transfer(ptrans);
228
229	if (ptrans->resource->target == PIPE_BUFFER)
230		util_range_add(&rsc->valid_buffer_range,
231					   ptrans->box.x + box->x,
232					   ptrans->box.x + box->x + box->width);
233
234	if (trans->staging)
235		fd_resource_flush(trans, box);
236}
237
238static void
239fd_resource_transfer_unmap(struct pipe_context *pctx,
240		struct pipe_transfer *ptrans)
241{
242	struct fd_context *ctx = fd_context(pctx);
243	struct fd_resource *rsc = fd_resource(ptrans->resource);
244	struct fd_transfer *trans = fd_transfer(ptrans);
245
246	if (trans->staging && !(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
247		struct pipe_box box;
248		u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
249		fd_resource_flush(trans, &box);
250	}
251
252	if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
253		fd_bo_cpu_fini(rsc->bo);
254		if (rsc->stencil)
255			fd_bo_cpu_fini(rsc->stencil->bo);
256	}
257
258	util_range_add(&rsc->valid_buffer_range,
259				   ptrans->box.x,
260				   ptrans->box.x + ptrans->box.width);
261
262	pipe_resource_reference(&ptrans->resource, NULL);
263	util_slab_free(&ctx->transfer_pool, ptrans);
264
265	if (trans->staging)
266		free(trans->staging);
267}
268
269static void *
270fd_resource_transfer_map(struct pipe_context *pctx,
271		struct pipe_resource *prsc,
272		unsigned level, unsigned usage,
273		const struct pipe_box *box,
274		struct pipe_transfer **pptrans)
275{
276	struct fd_context *ctx = fd_context(pctx);
277	struct fd_resource *rsc = fd_resource(prsc);
278	struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
279	struct fd_transfer *trans;
280	struct pipe_transfer *ptrans;
281	enum pipe_format format = prsc->format;
282	uint32_t op = 0;
283	uint32_t offset;
284	char *buf;
285	int ret = 0;
286
287	DBG("prsc=%p, level=%u, usage=%x, box=%dx%d+%d,%d", prsc, level, usage,
288		box->width, box->height, box->x, box->y);
289
290	ptrans = util_slab_alloc(&ctx->transfer_pool);
291	if (!ptrans)
292		return NULL;
293
294	/* util_slab_alloc() doesn't zero: */
295	trans = fd_transfer(ptrans);
296	memset(trans, 0, sizeof(*trans));
297
298	pipe_resource_reference(&ptrans->resource, prsc);
299	ptrans->level = level;
300	ptrans->usage = usage;
301	ptrans->box = *box;
302	ptrans->stride = util_format_get_nblocksx(format, slice->pitch) * rsc->cpp;
303	ptrans->layer_stride = slice->size0;
304
305	if (usage & PIPE_TRANSFER_READ)
306		op |= DRM_FREEDRENO_PREP_READ;
307
308	if (usage & PIPE_TRANSFER_WRITE)
309		op |= DRM_FREEDRENO_PREP_WRITE;
310
311	if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
312		realloc_bo(rsc, fd_bo_size(rsc->bo));
313		if (rsc->stencil)
314			realloc_bo(rsc->stencil, fd_bo_size(rsc->stencil->bo));
315		fd_invalidate_resource(ctx, prsc);
316	} else if ((usage & PIPE_TRANSFER_WRITE) &&
317			   prsc->target == PIPE_BUFFER &&
318			   !util_ranges_intersect(&rsc->valid_buffer_range,
319									  box->x, box->x + box->width)) {
320		/* We are trying to write to a previously uninitialized range. No need
321		 * to wait.
322		 */
323	} else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
324		/* If the GPU is writing to the resource, or if it is reading from the
325		 * resource and we're trying to write to it, flush the renders.
326		 */
327		if (((ptrans->usage & PIPE_TRANSFER_WRITE) &&
328					pending(rsc, FD_PENDING_READ | FD_PENDING_WRITE)) ||
329				pending(rsc, FD_PENDING_WRITE))
330			fd_context_render(pctx);
331
332		/* The GPU keeps track of how the various bo's are being used, and
333		 * will wait if necessary for the proper operation to have
334		 * completed.
335		 */
336		ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op);
337		if (ret)
338			goto fail;
339	}
340
341	buf = fd_bo_map(rsc->bo);
342	if (!buf)
343		goto fail;
344
345	offset = slice->offset +
346		box->y / util_format_get_blockheight(format) * ptrans->stride +
347		box->x / util_format_get_blockwidth(format) * rsc->cpp +
348		fd_resource_layer_offset(rsc, slice, box->z);
349
350	if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ||
351		prsc->format == PIPE_FORMAT_X32_S8X24_UINT) {
352		assert(trans->base.box.depth == 1);
353
354		trans->base.stride = trans->base.box.width * rsc->cpp * 2;
355		trans->staging = malloc(trans->base.stride * trans->base.box.height);
356		if (!trans->staging)
357			goto fail;
358
359		/* if we're not discarding the whole range (or resource), we must copy
360		 * the real data in.
361		 */
362		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
363					   PIPE_TRANSFER_DISCARD_RANGE))) {
364			struct fd_resource_slice *sslice =
365				fd_resource_slice(rsc->stencil, level);
366			void *sbuf = fd_bo_map(rsc->stencil->bo);
367			if (!sbuf)
368				goto fail;
369
370			float *depth = (float *)(buf + slice->offset +
371				fd_resource_layer_offset(rsc, slice, box->z) +
372				box->y * slice->pitch * 4 + box->x * 4);
373			uint8_t *stencil = sbuf + sslice->offset +
374				fd_resource_layer_offset(rsc->stencil, sslice, box->z) +
375				box->y * sslice->pitch + box->x;
376
377			if (format != PIPE_FORMAT_X32_S8X24_UINT)
378				util_format_z32_float_s8x24_uint_pack_z_float(
379						trans->staging, trans->base.stride,
380						depth, slice->pitch * 4,
381						box->width, box->height);
382
383			util_format_z32_float_s8x24_uint_pack_s_8uint(
384					trans->staging, trans->base.stride,
385					stencil, sslice->pitch,
386					box->width, box->height);
387		}
388
389		buf = trans->staging;
390		offset = 0;
391	} else if (rsc->internal_format != format &&
392			   util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
393		assert(trans->base.box.depth == 1);
394
395		trans->base.stride = util_format_get_stride(
396				format, trans->base.box.width);
397		trans->staging = malloc(
398				util_format_get_2d_size(format, trans->base.stride,
399										trans->base.box.height));
400		if (!trans->staging)
401			goto fail;
402
403		/* if we're not discarding the whole range (or resource), we must copy
404		 * the real data in.
405		 */
406		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
407					   PIPE_TRANSFER_DISCARD_RANGE))) {
408			uint8_t *rgba8 = (uint8_t *)buf + slice->offset +
409				fd_resource_layer_offset(rsc, slice, box->z) +
410				box->y * slice->pitch * rsc->cpp + box->x * rsc->cpp;
411
412			switch (format) {
413			case PIPE_FORMAT_RGTC1_UNORM:
414			case PIPE_FORMAT_RGTC1_SNORM:
415			case PIPE_FORMAT_LATC1_UNORM:
416			case PIPE_FORMAT_LATC1_SNORM:
417				util_format_rgtc1_unorm_pack_rgba_8unorm(
418					trans->staging, trans->base.stride,
419					rgba8, slice->pitch * rsc->cpp,
420					box->width, box->height);
421				break;
422			case PIPE_FORMAT_RGTC2_UNORM:
423			case PIPE_FORMAT_RGTC2_SNORM:
424			case PIPE_FORMAT_LATC2_UNORM:
425			case PIPE_FORMAT_LATC2_SNORM:
426				util_format_rgtc2_unorm_pack_rgba_8unorm(
427					trans->staging, trans->base.stride,
428					rgba8, slice->pitch * rsc->cpp,
429					box->width, box->height);
430				break;
431			default:
432				assert(!"Unexpected format");
433				break;
434			}
435		}
436
437		buf = trans->staging;
438		offset = 0;
439	}
440
441	*pptrans = ptrans;
442
443	return buf + offset;
444
445fail:
446	fd_resource_transfer_unmap(pctx, ptrans);
447	return NULL;
448}
449
450static void
451fd_resource_destroy(struct pipe_screen *pscreen,
452		struct pipe_resource *prsc)
453{
454	struct fd_resource *rsc = fd_resource(prsc);
455	if (rsc->bo)
456		fd_bo_del(rsc->bo);
457	list_delinit(&rsc->list);
458	util_range_destroy(&rsc->valid_buffer_range);
459	FREE(rsc);
460}
461
462static boolean
463fd_resource_get_handle(struct pipe_screen *pscreen,
464		struct pipe_resource *prsc,
465		struct winsys_handle *handle)
466{
467	struct fd_resource *rsc = fd_resource(prsc);
468
469	return fd_screen_bo_get_handle(pscreen, rsc->bo,
470			rsc->slices[0].pitch * rsc->cpp, handle);
471}
472
473
474static const struct u_resource_vtbl fd_resource_vtbl = {
475		.resource_get_handle      = fd_resource_get_handle,
476		.resource_destroy         = fd_resource_destroy,
477		.transfer_map             = fd_resource_transfer_map,
478		.transfer_flush_region    = fd_resource_transfer_flush_region,
479		.transfer_unmap           = fd_resource_transfer_unmap,
480		.transfer_inline_write    = u_default_transfer_inline_write,
481};
482
483static uint32_t
484setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format format)
485{
486	struct pipe_resource *prsc = &rsc->base.b;
487	enum util_format_layout layout = util_format_description(format)->layout;
488	uint32_t level, size = 0;
489	uint32_t width = prsc->width0;
490	uint32_t height = prsc->height0;
491	uint32_t depth = prsc->depth0;
492	/* in layer_first layout, the level (slice) contains just one
493	 * layer (since in fact the layer contains the slices)
494	 */
495	uint32_t layers_in_level = rsc->layer_first ? 1 : prsc->array_size;
496
497	for (level = 0; level <= prsc->last_level; level++) {
498		struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
499		uint32_t blocks;
500
501		if (layout == UTIL_FORMAT_LAYOUT_ASTC)
502			slice->pitch = width =
503				util_align_npot(width, 32 * util_format_get_blockwidth(format));
504		else
505			slice->pitch = width = align(width, 32);
506		slice->offset = size;
507		blocks = util_format_get_nblocks(format, width, height);
508		/* 1d array and 2d array textures must all have the same layer size
509		 * for each miplevel on a3xx. 3d textures can have different layer
510		 * sizes for high levels, but the hw auto-sizer is buggy (or at least
511		 * different than what this code does), so as soon as the layer size
512		 * range gets into range, we stop reducing it.
513		 */
514		if (prsc->target == PIPE_TEXTURE_3D && (
515					level == 1 ||
516					(level > 1 && rsc->slices[level - 1].size0 > 0xf000)))
517			slice->size0 = align(blocks * rsc->cpp, alignment);
518		else if (level == 0 || rsc->layer_first || alignment == 1)
519			slice->size0 = align(blocks * rsc->cpp, alignment);
520		else
521			slice->size0 = rsc->slices[level - 1].size0;
522
523		size += slice->size0 * depth * layers_in_level;
524
525		width = u_minify(width, 1);
526		height = u_minify(height, 1);
527		depth = u_minify(depth, 1);
528	}
529
530	return size;
531}
532
533static uint32_t
534slice_alignment(struct pipe_screen *pscreen, const struct pipe_resource *tmpl)
535{
536	/* on a3xx, 2d array and 3d textures seem to want their
537	 * layers aligned to page boundaries:
538	 */
539	switch (tmpl->target) {
540	case PIPE_TEXTURE_3D:
541	case PIPE_TEXTURE_1D_ARRAY:
542	case PIPE_TEXTURE_2D_ARRAY:
543		return 4096;
544	default:
545		return 1;
546	}
547}
548
549/**
550 * Create a new texture object, using the given template info.
551 */
552static struct pipe_resource *
553fd_resource_create(struct pipe_screen *pscreen,
554		const struct pipe_resource *tmpl)
555{
556	struct fd_resource *rsc = CALLOC_STRUCT(fd_resource);
557	struct pipe_resource *prsc = &rsc->base.b;
558	enum pipe_format format = tmpl->format;
559	uint32_t size, alignment;
560
561	DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
562			"nr_samples=%u, usage=%u, bind=%x, flags=%x",
563			tmpl->target, util_format_name(format),
564			tmpl->width0, tmpl->height0, tmpl->depth0,
565			tmpl->array_size, tmpl->last_level, tmpl->nr_samples,
566			tmpl->usage, tmpl->bind, tmpl->flags);
567
568	if (!rsc)
569		return NULL;
570
571	*prsc = *tmpl;
572
573	pipe_reference_init(&prsc->reference, 1);
574	list_inithead(&rsc->list);
575	prsc->screen = pscreen;
576
577	util_range_init(&rsc->valid_buffer_range);
578
579	rsc->base.vtbl = &fd_resource_vtbl;
580
581	if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
582		format = PIPE_FORMAT_Z32_FLOAT;
583	else if (fd_screen(pscreen)->gpu_id < 400 &&
584			 util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC)
585		format = PIPE_FORMAT_R8G8B8A8_UNORM;
586	rsc->internal_format = format;
587	rsc->cpp = util_format_get_blocksize(format);
588
589	assert(rsc->cpp);
590
591	alignment = slice_alignment(pscreen, tmpl);
592	if (is_a4xx(fd_screen(pscreen))) {
593		switch (tmpl->target) {
594		case PIPE_TEXTURE_3D:
595			rsc->layer_first = false;
596			break;
597		default:
598			rsc->layer_first = true;
599			alignment = 1;
600			break;
601		}
602	}
603
604	size = setup_slices(rsc, alignment, format);
605
606	if (rsc->layer_first) {
607		rsc->layer_size = align(size, 4096);
608		size = rsc->layer_size * prsc->array_size;
609	}
610
611	realloc_bo(rsc, size);
612	if (!rsc->bo)
613		goto fail;
614
615	/* There is no native Z32F_S8 sampling or rendering format, so this must
616	 * be emulated via two separate textures. The depth texture still keeps
617	 * its Z32F_S8 format though, and we also keep a reference to a separate
618	 * S8 texture.
619	 */
620	if (tmpl->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
621		struct pipe_resource stencil = *tmpl;
622		stencil.format = PIPE_FORMAT_S8_UINT;
623		rsc->stencil = fd_resource(fd_resource_create(pscreen, &stencil));
624		if (!rsc->stencil)
625			goto fail;
626	}
627
628	return prsc;
629fail:
630	fd_resource_destroy(pscreen, prsc);
631	return NULL;
632}
633
634/**
635 * Create a texture from a winsys_handle. The handle is often created in
636 * another process by first creating a pipe texture and then calling
637 * resource_get_handle.
638 */
639static struct pipe_resource *
640fd_resource_from_handle(struct pipe_screen *pscreen,
641		const struct pipe_resource *tmpl,
642		struct winsys_handle *handle, unsigned usage)
643{
644	struct fd_resource *rsc = CALLOC_STRUCT(fd_resource);
645	struct fd_resource_slice *slice = &rsc->slices[0];
646	struct pipe_resource *prsc = &rsc->base.b;
647
648	DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
649			"nr_samples=%u, usage=%u, bind=%x, flags=%x",
650			tmpl->target, util_format_name(tmpl->format),
651			tmpl->width0, tmpl->height0, tmpl->depth0,
652			tmpl->array_size, tmpl->last_level, tmpl->nr_samples,
653			tmpl->usage, tmpl->bind, tmpl->flags);
654
655	if (!rsc)
656		return NULL;
657
658	*prsc = *tmpl;
659
660	pipe_reference_init(&prsc->reference, 1);
661	list_inithead(&rsc->list);
662	prsc->screen = pscreen;
663
664	util_range_init(&rsc->valid_buffer_range);
665
666	rsc->bo = fd_screen_bo_from_handle(pscreen, handle, &slice->pitch);
667	if (!rsc->bo)
668		goto fail;
669
670	rsc->base.vtbl = &fd_resource_vtbl;
671	rsc->cpp = util_format_get_blocksize(tmpl->format);
672	slice->pitch /= rsc->cpp;
673	slice->offset = handle->offset;
674
675	assert(rsc->cpp);
676
677	return prsc;
678
679fail:
680	fd_resource_destroy(pscreen, prsc);
681	return NULL;
682}
683
684static void fd_blitter_pipe_begin(struct fd_context *ctx, bool render_cond);
685static void fd_blitter_pipe_end(struct fd_context *ctx);
686
687/**
688 * _copy_region using pipe (3d engine)
689 */
690static bool
691fd_blitter_pipe_copy_region(struct fd_context *ctx,
692		struct pipe_resource *dst,
693		unsigned dst_level,
694		unsigned dstx, unsigned dsty, unsigned dstz,
695		struct pipe_resource *src,
696		unsigned src_level,
697		const struct pipe_box *src_box)
698{
699	/* not until we allow rendertargets to be buffers */
700	if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER)
701		return false;
702
703	if (!util_blitter_is_copy_supported(ctx->blitter, dst, src))
704		return false;
705
706	fd_blitter_pipe_begin(ctx, false);
707	util_blitter_copy_texture(ctx->blitter,
708			dst, dst_level, dstx, dsty, dstz,
709			src, src_level, src_box);
710	fd_blitter_pipe_end(ctx);
711
712	return true;
713}
714
715/**
716 * Copy a block of pixels from one resource to another.
717 * The resource must be of the same format.
718 * Resources with nr_samples > 1 are not allowed.
719 */
720static void
721fd_resource_copy_region(struct pipe_context *pctx,
722		struct pipe_resource *dst,
723		unsigned dst_level,
724		unsigned dstx, unsigned dsty, unsigned dstz,
725		struct pipe_resource *src,
726		unsigned src_level,
727		const struct pipe_box *src_box)
728{
729	struct fd_context *ctx = fd_context(pctx);
730
731	/* TODO if we have 2d core, or other DMA engine that could be used
732	 * for simple copies and reasonably easily synchronized with the 3d
733	 * core, this is where we'd plug it in..
734	 */
735
736	/* try blit on 3d pipe: */
737	if (fd_blitter_pipe_copy_region(ctx,
738			dst, dst_level, dstx, dsty, dstz,
739			src, src_level, src_box))
740		return;
741
742	/* else fallback to pure sw: */
743	util_resource_copy_region(pctx,
744			dst, dst_level, dstx, dsty, dstz,
745			src, src_level, src_box);
746}
747
748bool
749fd_render_condition_check(struct pipe_context *pctx)
750{
751	struct fd_context *ctx = fd_context(pctx);
752
753	if (!ctx->cond_query)
754		return true;
755
756	union pipe_query_result res = { 0 };
757	bool wait =
758		ctx->cond_mode != PIPE_RENDER_COND_NO_WAIT &&
759		ctx->cond_mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
760
761	if (pctx->get_query_result(pctx, ctx->cond_query, wait, &res))
762			return (bool)res.u64 != ctx->cond_cond;
763
764	return true;
765}
766
767/**
768 * Optimal hardware path for blitting pixels.
769 * Scaling, format conversion, up- and downsampling (resolve) are allowed.
770 */
771static void
772fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
773{
774	struct fd_context *ctx = fd_context(pctx);
775	struct pipe_blit_info info = *blit_info;
776
777	if (info.src.resource->nr_samples > 1 &&
778			info.dst.resource->nr_samples <= 1 &&
779			!util_format_is_depth_or_stencil(info.src.resource->format) &&
780			!util_format_is_pure_integer(info.src.resource->format)) {
781		DBG("color resolve unimplemented");
782		return;
783	}
784
785	if (info.render_condition_enable && !fd_render_condition_check(pctx))
786		return;
787
788	if (util_try_blit_via_copy_region(pctx, &info)) {
789		return; /* done */
790	}
791
792	if (info.mask & PIPE_MASK_S) {
793		DBG("cannot blit stencil, skipping");
794		info.mask &= ~PIPE_MASK_S;
795	}
796
797	if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
798		DBG("blit unsupported %s -> %s",
799				util_format_short_name(info.src.resource->format),
800				util_format_short_name(info.dst.resource->format));
801		return;
802	}
803
804	fd_blitter_pipe_begin(ctx, info.render_condition_enable);
805	util_blitter_blit(ctx->blitter, &info);
806	fd_blitter_pipe_end(ctx);
807}
808
809static void
810fd_blitter_pipe_begin(struct fd_context *ctx, bool render_cond)
811{
812	util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vtx.vertexbuf.vb);
813	util_blitter_save_vertex_elements(ctx->blitter, ctx->vtx.vtx);
814	util_blitter_save_vertex_shader(ctx->blitter, ctx->prog.vp);
815	util_blitter_save_so_targets(ctx->blitter, ctx->streamout.num_targets,
816			ctx->streamout.targets);
817	util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer);
818	util_blitter_save_viewport(ctx->blitter, &ctx->viewport);
819	util_blitter_save_scissor(ctx->blitter, &ctx->scissor);
820	util_blitter_save_fragment_shader(ctx->blitter, ctx->prog.fp);
821	util_blitter_save_blend(ctx->blitter, ctx->blend);
822	util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa);
823	util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref);
824	util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask);
825	util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer);
826	util_blitter_save_fragment_sampler_states(ctx->blitter,
827			ctx->fragtex.num_samplers,
828			(void **)ctx->fragtex.samplers);
829	util_blitter_save_fragment_sampler_views(ctx->blitter,
830			ctx->fragtex.num_textures, ctx->fragtex.textures);
831	if (!render_cond)
832		util_blitter_save_render_condition(ctx->blitter,
833			ctx->cond_query, ctx->cond_cond, ctx->cond_mode);
834
835	fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_BLIT);
836}
837
838static void
839fd_blitter_pipe_end(struct fd_context *ctx)
840{
841	fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_NULL);
842}
843
844static void
845fd_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
846{
847	struct fd_resource *rsc = fd_resource(prsc);
848
849	if (pending(rsc, FD_PENDING_WRITE | FD_PENDING_READ))
850		fd_context_render(pctx);
851}
852
853void
854fd_resource_screen_init(struct pipe_screen *pscreen)
855{
856	pscreen->resource_create = fd_resource_create;
857	pscreen->resource_from_handle = fd_resource_from_handle;
858	pscreen->resource_get_handle = u_resource_get_handle_vtbl;
859	pscreen->resource_destroy = u_resource_destroy_vtbl;
860}
861
862void
863fd_resource_context_init(struct pipe_context *pctx)
864{
865	pctx->transfer_map = u_transfer_map_vtbl;
866	pctx->transfer_flush_region = u_transfer_flush_region_vtbl;
867	pctx->transfer_unmap = u_transfer_unmap_vtbl;
868	pctx->transfer_inline_write = u_transfer_inline_write_vtbl;
869	pctx->create_surface = fd_create_surface;
870	pctx->surface_destroy = fd_surface_destroy;
871	pctx->resource_copy_region = fd_resource_copy_region;
872	pctx->blit = fd_blit;
873	pctx->flush_resource = fd_flush_resource;
874}
875