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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_pipe_common.h"
28 #include "r600_cs.h"
29 #include "r600_query.h"
30 #include "util/format/u_format.h"
31 #include "util/u_log.h"
32 #include "util/u_memory.h"
33 #include "util/u_pack_color.h"
34 #include "util/u_surface.h"
35 #include "util/os_time.h"
36 #include "frontend/winsys_handle.h"
37 #include <errno.h>
38 #include <inttypes.h>
39 
40 static void r600_texture_discard_cmask(struct r600_common_screen *rscreen,
41 				       struct r600_texture *rtex);
42 static enum radeon_surf_mode
43 r600_choose_tiling(struct r600_common_screen *rscreen,
44 		   const struct pipe_resource *templ);
45 
46 
r600_prepare_for_dma_blit(struct r600_common_context * rctx,struct r600_texture * rdst,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct r600_texture * rsrc,unsigned src_level,const struct pipe_box * src_box)47 bool r600_prepare_for_dma_blit(struct r600_common_context *rctx,
48 			       struct r600_texture *rdst,
49 			       unsigned dst_level, unsigned dstx,
50 			       unsigned dsty, unsigned dstz,
51 			       struct r600_texture *rsrc,
52 			       unsigned src_level,
53 			       const struct pipe_box *src_box)
54 {
55 	if (!rctx->dma.cs.priv)
56 		return false;
57 
58 	if (rdst->surface.bpe != rsrc->surface.bpe)
59 		return false;
60 
61 	/* MSAA: Blits don't exist in the real world. */
62 	if (rsrc->resource.b.b.nr_samples > 1 ||
63 	    rdst->resource.b.b.nr_samples > 1)
64 		return false;
65 
66 	/* Depth-stencil surfaces:
67 	 *   When dst is linear, the DB->CB copy preserves HTILE.
68 	 *   When dst is tiled, the 3D path must be used to update HTILE.
69 	 */
70 	if (rsrc->is_depth || rdst->is_depth)
71 		return false;
72 
73 	/* CMASK as:
74 	 *   src: Both texture and SDMA paths need decompression. Use SDMA.
75 	 *   dst: If overwriting the whole texture, discard CMASK and use
76 	 *        SDMA. Otherwise, use the 3D path.
77 	 */
78 	if (rdst->cmask.size && rdst->dirty_level_mask & (1 << dst_level)) {
79 		/* The CMASK clear is only enabled for the first level. */
80 		assert(dst_level == 0);
81 		if (!util_texrange_covers_whole_level(&rdst->resource.b.b, dst_level,
82 						      dstx, dsty, dstz, src_box->width,
83 						      src_box->height, src_box->depth))
84 			return false;
85 
86 		r600_texture_discard_cmask(rctx->screen, rdst);
87 	}
88 
89 	/* All requirements are met. Prepare textures for SDMA. */
90 	if (rsrc->cmask.size && rsrc->dirty_level_mask & (1 << src_level))
91 		rctx->b.flush_resource(&rctx->b, &rsrc->resource.b.b);
92 
93 	assert(!(rsrc->dirty_level_mask & (1 << src_level)));
94 	assert(!(rdst->dirty_level_mask & (1 << dst_level)));
95 
96 	return true;
97 }
98 
99 /* Same as resource_copy_region, except that both upsampling and downsampling are allowed. */
r600_copy_region_with_blit(struct pipe_context * pipe,struct pipe_resource * dst,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct pipe_resource * src,unsigned src_level,const struct pipe_box * src_box)100 static void r600_copy_region_with_blit(struct pipe_context *pipe,
101 				       struct pipe_resource *dst,
102                                        unsigned dst_level,
103                                        unsigned dstx, unsigned dsty, unsigned dstz,
104                                        struct pipe_resource *src,
105                                        unsigned src_level,
106                                        const struct pipe_box *src_box)
107 {
108 	struct pipe_blit_info blit;
109 
110 	memset(&blit, 0, sizeof(blit));
111 	blit.src.resource = src;
112 	blit.src.format = src->format;
113 	blit.src.level = src_level;
114 	blit.src.box = *src_box;
115 	blit.dst.resource = dst;
116 	blit.dst.format = dst->format;
117 	blit.dst.level = dst_level;
118 	blit.dst.box.x = dstx;
119 	blit.dst.box.y = dsty;
120 	blit.dst.box.z = dstz;
121 	blit.dst.box.width = src_box->width;
122 	blit.dst.box.height = src_box->height;
123 	blit.dst.box.depth = src_box->depth;
124 	blit.mask = util_format_get_mask(src->format) &
125 		    util_format_get_mask(dst->format);
126 	blit.filter = PIPE_TEX_FILTER_NEAREST;
127 
128 	if (blit.mask) {
129 		pipe->blit(pipe, &blit);
130 	}
131 }
132 
133 /* Copy from a full GPU texture to a transfer's staging one. */
r600_copy_to_staging_texture(struct pipe_context * ctx,struct r600_transfer * rtransfer)134 static void r600_copy_to_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
135 {
136 	struct r600_common_context *rctx = (struct r600_common_context*)ctx;
137 	struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
138 	struct pipe_resource *dst = &rtransfer->staging->b.b;
139 	struct pipe_resource *src = transfer->resource;
140 
141 	if (src->nr_samples > 1) {
142 		r600_copy_region_with_blit(ctx, dst, 0, 0, 0, 0,
143 					   src, transfer->level, &transfer->box);
144 		return;
145 	}
146 
147 	rctx->dma_copy(ctx, dst, 0, 0, 0, 0, src, transfer->level,
148 		       &transfer->box);
149 }
150 
151 /* Copy from a transfer's staging texture to a full GPU one. */
r600_copy_from_staging_texture(struct pipe_context * ctx,struct r600_transfer * rtransfer)152 static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
153 {
154 	struct r600_common_context *rctx = (struct r600_common_context*)ctx;
155 	struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
156 	struct pipe_resource *dst = transfer->resource;
157 	struct pipe_resource *src = &rtransfer->staging->b.b;
158 	struct pipe_box sbox;
159 
160 	u_box_3d(0, 0, 0, transfer->box.width, transfer->box.height, transfer->box.depth, &sbox);
161 
162 	if (dst->nr_samples > 1) {
163 		r600_copy_region_with_blit(ctx, dst, transfer->level,
164 					   transfer->box.x, transfer->box.y, transfer->box.z,
165 					   src, 0, &sbox);
166 		return;
167 	}
168 
169 	rctx->dma_copy(ctx, dst, transfer->level,
170 		       transfer->box.x, transfer->box.y, transfer->box.z,
171 		       src, 0, &sbox);
172 }
173 
r600_texture_get_offset(struct r600_common_screen * rscreen,struct r600_texture * rtex,unsigned level,const struct pipe_box * box,unsigned * stride,unsigned * layer_stride)174 static unsigned r600_texture_get_offset(struct r600_common_screen *rscreen,
175 					struct r600_texture *rtex, unsigned level,
176 					const struct pipe_box *box,
177 					unsigned *stride,
178 					unsigned *layer_stride)
179 {
180 	*stride = rtex->surface.u.legacy.level[level].nblk_x *
181 		rtex->surface.bpe;
182 	assert((uint64_t)rtex->surface.u.legacy.level[level].slice_size_dw * 4 <= UINT_MAX);
183 	*layer_stride = (uint64_t)rtex->surface.u.legacy.level[level].slice_size_dw * 4;
184 
185 	if (!box)
186 		return (uint64_t)rtex->surface.u.legacy.level[level].offset_256B * 256;
187 
188 	/* Each texture is an array of mipmap levels. Each level is
189 	 * an array of slices. */
190 	return (uint64_t)rtex->surface.u.legacy.level[level].offset_256B * 256 +
191 		box->z * (uint64_t)rtex->surface.u.legacy.level[level].slice_size_dw * 4 +
192 		(box->y / rtex->surface.blk_h *
193 		 rtex->surface.u.legacy.level[level].nblk_x +
194 		 box->x / rtex->surface.blk_w) * rtex->surface.bpe;
195 }
196 
r600_init_surface(struct r600_common_screen * rscreen,struct radeon_surf * surface,const struct pipe_resource * ptex,enum radeon_surf_mode array_mode,unsigned pitch_in_bytes_override,unsigned offset,bool is_imported,bool is_scanout,bool is_flushed_depth)197 static int r600_init_surface(struct r600_common_screen *rscreen,
198 			     struct radeon_surf *surface,
199 			     const struct pipe_resource *ptex,
200 			     enum radeon_surf_mode array_mode,
201 			     unsigned pitch_in_bytes_override,
202 			     unsigned offset,
203 			     bool is_imported,
204 			     bool is_scanout,
205 			     bool is_flushed_depth)
206 {
207 	const struct util_format_description *desc =
208 		util_format_description(ptex->format);
209 	bool is_depth, is_stencil;
210 	int r;
211 	unsigned i, bpe, flags = 0;
212 
213 	is_depth = util_format_has_depth(desc);
214 	is_stencil = util_format_has_stencil(desc);
215 
216 	if (rscreen->gfx_level >= EVERGREEN && !is_flushed_depth &&
217 	    ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
218 		bpe = 4; /* stencil is allocated separately on evergreen */
219 	} else {
220 		bpe = util_format_get_blocksize(ptex->format);
221 		assert(util_is_power_of_two_or_zero(bpe));
222 	}
223 
224 	if (!is_flushed_depth && is_depth) {
225 		flags |= RADEON_SURF_ZBUFFER;
226 
227 		if (is_stencil)
228 			flags |= RADEON_SURF_SBUFFER;
229 	}
230 
231 	if (ptex->bind & PIPE_BIND_SCANOUT || is_scanout) {
232 		/* This should catch bugs in gallium users setting incorrect flags. */
233 		assert(ptex->nr_samples <= 1 &&
234 		       ptex->array_size == 1 &&
235 		       ptex->depth0 == 1 &&
236 		       ptex->last_level == 0 &&
237 		       !(flags & RADEON_SURF_Z_OR_SBUFFER));
238 
239 		flags |= RADEON_SURF_SCANOUT;
240 	}
241 
242 	if (ptex->bind & PIPE_BIND_SHARED)
243 		flags |= RADEON_SURF_SHAREABLE;
244 	if (is_imported)
245 		flags |= RADEON_SURF_IMPORTED | RADEON_SURF_SHAREABLE;
246 
247 	r = rscreen->ws->surface_init(rscreen->ws, ptex,
248 				      flags, bpe, array_mode, surface);
249 	if (r) {
250 		return r;
251 	}
252 
253 	if (pitch_in_bytes_override &&
254 	    pitch_in_bytes_override != surface->u.legacy.level[0].nblk_x * bpe) {
255 		/* old ddx on evergreen over estimate alignment for 1d, only 1 level
256 		 * for those
257 		 */
258 		surface->u.legacy.level[0].nblk_x = pitch_in_bytes_override / bpe;
259 		surface->u.legacy.level[0].slice_size_dw =
260 			((uint64_t)pitch_in_bytes_override * surface->u.legacy.level[0].nblk_y) / 4;
261 	}
262 
263 	if (offset) {
264 		for (i = 0; i < ARRAY_SIZE(surface->u.legacy.level); ++i)
265 			surface->u.legacy.level[i].offset_256B += offset / 256;
266 	}
267 
268 	return 0;
269 }
270 
r600_texture_init_metadata(struct r600_common_screen * rscreen,struct r600_texture * rtex,struct radeon_bo_metadata * metadata)271 static void r600_texture_init_metadata(struct r600_common_screen *rscreen,
272 				       struct r600_texture *rtex,
273 				       struct radeon_bo_metadata *metadata)
274 {
275 	struct radeon_surf *surface = &rtex->surface;
276 
277 	memset(metadata, 0, sizeof(*metadata));
278 
279 	metadata->u.legacy.microtile = surface->u.legacy.level[0].mode >= RADEON_SURF_MODE_1D ?
280 		RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR;
281 	metadata->u.legacy.macrotile = surface->u.legacy.level[0].mode >= RADEON_SURF_MODE_2D ?
282 		RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR;
283 	metadata->u.legacy.pipe_config = surface->u.legacy.pipe_config;
284 	metadata->u.legacy.bankw = surface->u.legacy.bankw;
285 	metadata->u.legacy.bankh = surface->u.legacy.bankh;
286 	metadata->u.legacy.tile_split = surface->u.legacy.tile_split;
287 	metadata->u.legacy.mtilea = surface->u.legacy.mtilea;
288 	metadata->u.legacy.num_banks = surface->u.legacy.num_banks;
289 	metadata->u.legacy.stride = surface->u.legacy.level[0].nblk_x * surface->bpe;
290 	metadata->u.legacy.scanout = (surface->flags & RADEON_SURF_SCANOUT) != 0;
291 }
292 
r600_surface_import_metadata(struct r600_common_screen * rscreen,struct radeon_surf * surf,struct radeon_bo_metadata * metadata,enum radeon_surf_mode * array_mode,bool * is_scanout)293 static void r600_surface_import_metadata(struct r600_common_screen *rscreen,
294 					 struct radeon_surf *surf,
295 					 struct radeon_bo_metadata *metadata,
296 					 enum radeon_surf_mode *array_mode,
297 					 bool *is_scanout)
298 {
299 	surf->u.legacy.pipe_config = metadata->u.legacy.pipe_config;
300 	surf->u.legacy.bankw = metadata->u.legacy.bankw;
301 	surf->u.legacy.bankh = metadata->u.legacy.bankh;
302 	surf->u.legacy.tile_split = metadata->u.legacy.tile_split;
303 	surf->u.legacy.mtilea = metadata->u.legacy.mtilea;
304 	surf->u.legacy.num_banks = metadata->u.legacy.num_banks;
305 
306 	if (metadata->u.legacy.macrotile == RADEON_LAYOUT_TILED)
307 		*array_mode = RADEON_SURF_MODE_2D;
308 	else if (metadata->u.legacy.microtile == RADEON_LAYOUT_TILED)
309 		*array_mode = RADEON_SURF_MODE_1D;
310 	else
311 		*array_mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
312 
313 	*is_scanout = metadata->u.legacy.scanout;
314 }
315 
r600_eliminate_fast_color_clear(struct r600_common_context * rctx,struct r600_texture * rtex)316 static void r600_eliminate_fast_color_clear(struct r600_common_context *rctx,
317 					    struct r600_texture *rtex)
318 {
319 	struct r600_common_screen *rscreen = rctx->screen;
320 	struct pipe_context *ctx = &rctx->b;
321 
322 	if (ctx == rscreen->aux_context)
323 		mtx_lock(&rscreen->aux_context_lock);
324 
325 	ctx->flush_resource(ctx, &rtex->resource.b.b);
326 	ctx->flush(ctx, NULL, 0);
327 
328 	if (ctx == rscreen->aux_context)
329 		mtx_unlock(&rscreen->aux_context_lock);
330 }
331 
r600_texture_discard_cmask(struct r600_common_screen * rscreen,struct r600_texture * rtex)332 static void r600_texture_discard_cmask(struct r600_common_screen *rscreen,
333 				       struct r600_texture *rtex)
334 {
335 	if (!rtex->cmask.size)
336 		return;
337 
338 	assert(rtex->resource.b.b.nr_samples <= 1);
339 
340 	/* Disable CMASK. */
341 	memset(&rtex->cmask, 0, sizeof(rtex->cmask));
342 	rtex->cmask.base_address_reg = rtex->resource.gpu_address >> 8;
343 	rtex->dirty_level_mask = 0;
344 
345 	rtex->cb_color_info &= ~EG_S_028C70_FAST_CLEAR(1);
346 
347 	if (rtex->cmask_buffer != &rtex->resource)
348 	    r600_resource_reference(&rtex->cmask_buffer, NULL);
349 
350 	/* Notify all contexts about the change. */
351 	p_atomic_inc(&rscreen->dirty_tex_counter);
352 	p_atomic_inc(&rscreen->compressed_colortex_counter);
353 }
354 
r600_reallocate_texture_inplace(struct r600_common_context * rctx,struct r600_texture * rtex,unsigned new_bind_flag,bool invalidate_storage)355 static void r600_reallocate_texture_inplace(struct r600_common_context *rctx,
356 					    struct r600_texture *rtex,
357 					    unsigned new_bind_flag,
358 					    bool invalidate_storage)
359 {
360 	struct pipe_screen *screen = rctx->b.screen;
361 	struct r600_texture *new_tex;
362 	struct pipe_resource templ = rtex->resource.b.b;
363 	unsigned i;
364 
365 	templ.bind |= new_bind_flag;
366 
367 	/* r600g doesn't react to dirty_tex_descriptor_counter */
368 	if (rctx->gfx_level < GFX6)
369 		return;
370 
371 	if (rtex->resource.b.is_shared)
372 		return;
373 
374 	if (new_bind_flag == PIPE_BIND_LINEAR) {
375 		if (rtex->surface.is_linear)
376 			return;
377 
378 		/* This fails with MSAA, depth, and compressed textures. */
379 		if (r600_choose_tiling(rctx->screen, &templ) !=
380 		    RADEON_SURF_MODE_LINEAR_ALIGNED)
381 			return;
382 	}
383 
384 	new_tex = (struct r600_texture*)screen->resource_create(screen, &templ);
385 	if (!new_tex)
386 		return;
387 
388 	/* Copy the pixels to the new texture. */
389 	if (!invalidate_storage) {
390 		for (i = 0; i <= templ.last_level; i++) {
391 			struct pipe_box box;
392 
393 			u_box_3d(0, 0, 0,
394 				 u_minify(templ.width0, i), u_minify(templ.height0, i),
395 				 util_num_layers(&templ, i), &box);
396 
397 			rctx->dma_copy(&rctx->b, &new_tex->resource.b.b, i, 0, 0, 0,
398 				       &rtex->resource.b.b, i, &box);
399 		}
400 	}
401 
402 	if (new_bind_flag == PIPE_BIND_LINEAR) {
403 		r600_texture_discard_cmask(rctx->screen, rtex);
404 	}
405 
406 	/* Replace the structure fields of rtex. */
407 	rtex->resource.b.b.bind = templ.bind;
408 	pb_reference(&rtex->resource.buf, new_tex->resource.buf);
409 	rtex->resource.gpu_address = new_tex->resource.gpu_address;
410 	rtex->resource.vram_usage = new_tex->resource.vram_usage;
411 	rtex->resource.gart_usage = new_tex->resource.gart_usage;
412 	rtex->resource.bo_size = new_tex->resource.bo_size;
413 	rtex->resource.bo_alignment = new_tex->resource.bo_alignment;
414 	rtex->resource.domains = new_tex->resource.domains;
415 	rtex->resource.flags = new_tex->resource.flags;
416 	rtex->size = new_tex->size;
417 	rtex->db_render_format = new_tex->db_render_format;
418 	rtex->db_compatible = new_tex->db_compatible;
419 	rtex->can_sample_z = new_tex->can_sample_z;
420 	rtex->can_sample_s = new_tex->can_sample_s;
421 	rtex->surface = new_tex->surface;
422 	rtex->fmask = new_tex->fmask;
423 	rtex->cmask = new_tex->cmask;
424 	rtex->cb_color_info = new_tex->cb_color_info;
425 	rtex->last_msaa_resolve_target_micro_mode = new_tex->last_msaa_resolve_target_micro_mode;
426 	rtex->htile_offset = new_tex->htile_offset;
427 	rtex->depth_cleared = new_tex->depth_cleared;
428 	rtex->stencil_cleared = new_tex->stencil_cleared;
429 	rtex->non_disp_tiling = new_tex->non_disp_tiling;
430 	rtex->framebuffers_bound = new_tex->framebuffers_bound;
431 
432 	if (new_bind_flag == PIPE_BIND_LINEAR) {
433 		assert(!rtex->htile_offset);
434 		assert(!rtex->cmask.size);
435 		assert(!rtex->fmask.size);
436 		assert(!rtex->is_depth);
437 	}
438 
439 	r600_texture_reference(&new_tex, NULL);
440 
441 	p_atomic_inc(&rctx->screen->dirty_tex_counter);
442 }
443 
r600_texture_get_info(struct pipe_screen * screen,struct pipe_resource * resource,unsigned * pstride,unsigned * poffset)444 static void r600_texture_get_info(struct pipe_screen* screen,
445 				  struct pipe_resource *resource,
446 				  unsigned *pstride,
447 				  unsigned *poffset)
448 {
449 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
450 	struct r600_texture *rtex = (struct r600_texture*)resource;
451 	unsigned stride = 0;
452 	unsigned offset = 0;
453 
454 	if (!rscreen || !rtex)
455 		return;
456 
457 	if (resource->target != PIPE_BUFFER) {
458 		offset = (uint64_t)rtex->surface.u.legacy.level[0].offset_256B * 256;
459 		stride = rtex->surface.u.legacy.level[0].nblk_x *
460 			 rtex->surface.bpe;
461 	}
462 
463 	if (pstride)
464 		*pstride = stride;
465 
466 	if (poffset)
467 		*poffset = offset;
468 }
469 
r600_texture_get_handle(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_resource * resource,struct winsys_handle * whandle,unsigned usage)470 static bool r600_texture_get_handle(struct pipe_screen* screen,
471 				    struct pipe_context *ctx,
472 				    struct pipe_resource *resource,
473 				    struct winsys_handle *whandle,
474 				    unsigned usage)
475 {
476 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
477 	struct r600_common_context *rctx;
478 	struct r600_resource *res = (struct r600_resource*)resource;
479 	struct r600_texture *rtex = (struct r600_texture*)resource;
480 	struct radeon_bo_metadata metadata;
481 	bool update_metadata = false;
482 	unsigned stride, offset, slice_size;
483 
484 	ctx = threaded_context_unwrap_sync(ctx);
485 	rctx = (struct r600_common_context*)(ctx ? ctx : rscreen->aux_context);
486 
487 	if (resource->target != PIPE_BUFFER) {
488 		/* This is not supported now, but it might be required for OpenCL
489 		 * interop in the future.
490 		 */
491 		if (resource->nr_samples > 1 || rtex->is_depth)
492 			return false;
493 
494 		/* Move a suballocated texture into a non-suballocated allocation. */
495 		if (rscreen->ws->buffer_is_suballocated(res->buf) ||
496 		    rtex->surface.tile_swizzle) {
497 			assert(!res->b.is_shared);
498 			r600_reallocate_texture_inplace(rctx, rtex,
499 							PIPE_BIND_SHARED, false);
500 			rctx->b.flush(&rctx->b, NULL, 0);
501 			assert(res->b.b.bind & PIPE_BIND_SHARED);
502 			assert(res->flags & RADEON_FLAG_NO_SUBALLOC);
503 			assert(rtex->surface.tile_swizzle == 0);
504 		}
505 
506 		if (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) &&
507 		    rtex->cmask.size) {
508 			/* Eliminate fast clear (CMASK) */
509 			r600_eliminate_fast_color_clear(rctx, rtex);
510 
511 			/* Disable CMASK if flush_resource isn't going
512 			 * to be called.
513 			 */
514 			if (rtex->cmask.size)
515 				r600_texture_discard_cmask(rscreen, rtex);
516 		}
517 
518 		/* Set metadata. */
519 		if (!res->b.is_shared || update_metadata) {
520 			r600_texture_init_metadata(rscreen, rtex, &metadata);
521 
522 			rscreen->ws->buffer_set_metadata(rscreen->ws, res->buf, &metadata, NULL);
523 		}
524 
525 		slice_size = (uint64_t)rtex->surface.u.legacy.level[0].slice_size_dw * 4;
526 	} else {
527 		/* Move a suballocated buffer into a non-suballocated allocation. */
528 		if (rscreen->ws->buffer_is_suballocated(res->buf)) {
529 			assert(!res->b.is_shared);
530 
531 			/* Allocate a new buffer with PIPE_BIND_SHARED. */
532 			struct pipe_resource templ = res->b.b;
533 			templ.bind |= PIPE_BIND_SHARED;
534 
535 			struct pipe_resource *newb =
536 				screen->resource_create(screen, &templ);
537 			if (!newb)
538 				return false;
539 
540 			/* Copy the old buffer contents to the new one. */
541 			struct pipe_box box;
542 			u_box_1d(0, newb->width0, &box);
543 			rctx->b.resource_copy_region(&rctx->b, newb, 0, 0, 0, 0,
544 						     &res->b.b, 0, &box);
545 			/* Move the new buffer storage to the old pipe_resource. */
546 			r600_replace_buffer_storage(&rctx->b, &res->b.b, newb);
547 			pipe_resource_reference(&newb, NULL);
548 
549 			assert(res->b.b.bind & PIPE_BIND_SHARED);
550 			assert(res->flags & RADEON_FLAG_NO_SUBALLOC);
551 		}
552 
553 		/* Buffers */
554 		slice_size = 0;
555 	}
556 
557 	r600_texture_get_info(screen, resource, &stride, &offset);
558 
559 	if (res->b.is_shared) {
560 		/* USAGE_EXPLICIT_FLUSH must be cleared if at least one user
561 		 * doesn't set it.
562 		 */
563 		res->external_usage |= usage & ~PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
564 		if (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH))
565 			res->external_usage &= ~PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
566 	} else {
567 		res->b.is_shared = true;
568 		res->external_usage = usage;
569 	}
570 
571 	whandle->stride = stride;
572 	whandle->offset = offset + slice_size * whandle->layer;
573 
574 	return rscreen->ws->buffer_get_handle(rscreen->ws, res->buf, whandle);
575 }
576 
r600_texture_destroy(struct pipe_screen * screen,struct pipe_resource * ptex)577 void r600_texture_destroy(struct pipe_screen *screen, struct pipe_resource *ptex)
578 {
579 	struct r600_texture *rtex = (struct r600_texture*)ptex;
580 	struct r600_resource *resource = &rtex->resource;
581 
582 	r600_texture_reference(&rtex->flushed_depth_texture, NULL);
583 	pipe_resource_reference((struct pipe_resource**)&resource->immed_buffer, NULL);
584 
585 	if (rtex->cmask_buffer != &rtex->resource) {
586 	    r600_resource_reference(&rtex->cmask_buffer, NULL);
587 	}
588 	pb_reference(&resource->buf, NULL);
589 	FREE(rtex);
590 }
591 
592 /* The number of samples can be specified independently of the texture. */
r600_texture_get_fmask_info(struct r600_common_screen * rscreen,struct r600_texture * rtex,unsigned nr_samples,struct r600_fmask_info * out)593 void r600_texture_get_fmask_info(struct r600_common_screen *rscreen,
594 				 struct r600_texture *rtex,
595 				 unsigned nr_samples,
596 				 struct r600_fmask_info *out)
597 {
598 	/* FMASK is allocated like an ordinary texture. */
599 	struct pipe_resource templ = rtex->resource.b.b;
600 	struct radeon_surf fmask = {};
601 	unsigned flags, bpe;
602 
603 	memset(out, 0, sizeof(*out));
604 
605 	templ.nr_samples = 1;
606 	flags = rtex->surface.flags | RADEON_SURF_FMASK;
607 
608 	/* Use the same parameters and tile mode. */
609 	fmask.u.legacy.bankw = rtex->surface.u.legacy.bankw;
610 	fmask.u.legacy.bankh = rtex->surface.u.legacy.bankh;
611 	fmask.u.legacy.mtilea = rtex->surface.u.legacy.mtilea;
612 	fmask.u.legacy.tile_split = rtex->surface.u.legacy.tile_split;
613 
614 	if (nr_samples <= 4)
615 		fmask.u.legacy.bankh = 4;
616 
617 	switch (nr_samples) {
618 	case 2:
619 	case 4:
620 		bpe = 1;
621 		break;
622 	case 8:
623 		bpe = 4;
624 		break;
625 	default:
626 		R600_ERR("Invalid sample count for FMASK allocation.\n");
627 		return;
628 	}
629 
630 	/* Overallocate FMASK on R600-R700 to fix colorbuffer corruption.
631 	 * This can be fixed by writing a separate FMASK allocator specifically
632 	 * for R600-R700 asics. */
633 	if (rscreen->gfx_level <= R700) {
634 		bpe *= 2;
635 	}
636 
637 	if (rscreen->ws->surface_init(rscreen->ws, &templ,
638 				      flags, bpe, RADEON_SURF_MODE_2D, &fmask)) {
639 		R600_ERR("Got error in surface_init while allocating FMASK.\n");
640 		return;
641 	}
642 
643 	assert(fmask.u.legacy.level[0].mode == RADEON_SURF_MODE_2D);
644 
645 	out->slice_tile_max = (fmask.u.legacy.level[0].nblk_x * fmask.u.legacy.level[0].nblk_y) / 64;
646 	if (out->slice_tile_max)
647 		out->slice_tile_max -= 1;
648 
649 	out->tile_mode_index = fmask.u.legacy.tiling_index[0];
650 	out->pitch_in_pixels = fmask.u.legacy.level[0].nblk_x;
651 	out->bank_height = fmask.u.legacy.bankh;
652 	out->tile_swizzle = fmask.tile_swizzle;
653 	out->alignment = MAX2(256, 1 << fmask.surf_alignment_log2);
654 	out->size = fmask.surf_size;
655 }
656 
r600_texture_allocate_fmask(struct r600_common_screen * rscreen,struct r600_texture * rtex)657 static void r600_texture_allocate_fmask(struct r600_common_screen *rscreen,
658 					struct r600_texture *rtex)
659 {
660 	r600_texture_get_fmask_info(rscreen, rtex,
661 				    rtex->resource.b.b.nr_samples, &rtex->fmask);
662 
663 	rtex->fmask.offset = align64(rtex->size, rtex->fmask.alignment);
664 	rtex->size = rtex->fmask.offset + rtex->fmask.size;
665 }
666 
r600_texture_get_cmask_info(struct r600_common_screen * rscreen,struct r600_texture * rtex,struct r600_cmask_info * out)667 void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
668 				 struct r600_texture *rtex,
669 				 struct r600_cmask_info *out)
670 {
671 	unsigned cmask_tile_width = 8;
672 	unsigned cmask_tile_height = 8;
673 	unsigned cmask_tile_elements = cmask_tile_width * cmask_tile_height;
674 	unsigned element_bits = 4;
675 	unsigned cmask_cache_bits = 1024;
676 	unsigned num_pipes = rscreen->info.num_tile_pipes;
677 	unsigned pipe_interleave_bytes = rscreen->info.pipe_interleave_bytes;
678 
679 	unsigned elements_per_macro_tile = (cmask_cache_bits / element_bits) * num_pipes;
680 	unsigned pixels_per_macro_tile = elements_per_macro_tile * cmask_tile_elements;
681 	unsigned sqrt_pixels_per_macro_tile = sqrt(pixels_per_macro_tile);
682 	unsigned macro_tile_width = util_next_power_of_two(sqrt_pixels_per_macro_tile);
683 	unsigned macro_tile_height = pixels_per_macro_tile / macro_tile_width;
684 
685 	unsigned pitch_elements = align(rtex->resource.b.b.width0, macro_tile_width);
686 	unsigned height = align(rtex->resource.b.b.height0, macro_tile_height);
687 
688 	unsigned base_align = num_pipes * pipe_interleave_bytes;
689 	unsigned slice_bytes =
690 		((pitch_elements * height * element_bits + 7) / 8) / cmask_tile_elements;
691 
692 	assert(macro_tile_width % 128 == 0);
693 	assert(macro_tile_height % 128 == 0);
694 
695 	out->slice_tile_max = ((pitch_elements * height) / (128*128)) - 1;
696 	out->alignment = MAX2(256, base_align);
697 	out->size = util_num_layers(&rtex->resource.b.b, 0) *
698 		    align(slice_bytes, base_align);
699 }
700 
r600_texture_allocate_cmask(struct r600_common_screen * rscreen,struct r600_texture * rtex)701 static void r600_texture_allocate_cmask(struct r600_common_screen *rscreen,
702 					struct r600_texture *rtex)
703 {
704 	r600_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
705 
706 	rtex->cmask.offset = align64(rtex->size, rtex->cmask.alignment);
707 	rtex->size = rtex->cmask.offset + rtex->cmask.size;
708 
709 	rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
710 }
711 
r600_texture_alloc_cmask_separate(struct r600_common_screen * rscreen,struct r600_texture * rtex)712 static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen,
713 					      struct r600_texture *rtex)
714 {
715 	if (rtex->cmask_buffer)
716                 return;
717 
718 	assert(rtex->cmask.size == 0);
719 
720 	r600_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
721 
722 	rtex->cmask_buffer = (struct r600_resource *)
723 		r600_aligned_buffer_create(&rscreen->b,
724 					   R600_RESOURCE_FLAG_UNMAPPABLE,
725 					   PIPE_USAGE_DEFAULT,
726 					   rtex->cmask.size,
727 					   rtex->cmask.alignment);
728 	if (rtex->cmask_buffer == NULL) {
729 		rtex->cmask.size = 0;
730 		return;
731 	}
732 
733 	/* update colorbuffer state bits */
734 	rtex->cmask.base_address_reg = rtex->cmask_buffer->gpu_address >> 8;
735 
736 	rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
737 
738 	p_atomic_inc(&rscreen->compressed_colortex_counter);
739 }
740 
eg_resource_alloc_immed(struct r600_common_screen * rscreen,struct r600_resource * res,unsigned immed_size)741 void eg_resource_alloc_immed(struct r600_common_screen *rscreen,
742 			     struct r600_resource *res,
743 			     unsigned immed_size)
744 {
745 	res->immed_buffer = (struct r600_resource *)
746 		pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
747 				   PIPE_USAGE_DEFAULT, immed_size);
748 }
749 
r600_texture_get_htile_size(struct r600_common_screen * rscreen,struct r600_texture * rtex)750 static void r600_texture_get_htile_size(struct r600_common_screen *rscreen,
751 					struct r600_texture *rtex)
752 {
753 	unsigned cl_width, cl_height, width, height;
754 	unsigned slice_elements, slice_bytes, pipe_interleave_bytes, base_align;
755 	unsigned num_pipes = rscreen->info.num_tile_pipes;
756 
757 	rtex->surface.meta_size = 0;
758 
759 	/* HW bug on R6xx. */
760 	if (rscreen->gfx_level == R600 &&
761 	    (rtex->resource.b.b.width0 > 7680 ||
762 	     rtex->resource.b.b.height0 > 7680))
763 		return;
764 
765 	switch (num_pipes) {
766 	case 1:
767 		cl_width = 32;
768 		cl_height = 16;
769 		break;
770 	case 2:
771 		cl_width = 32;
772 		cl_height = 32;
773 		break;
774 	case 4:
775 		cl_width = 64;
776 		cl_height = 32;
777 		break;
778 	case 8:
779 		cl_width = 64;
780 		cl_height = 64;
781 		break;
782 	case 16:
783 		cl_width = 128;
784 		cl_height = 64;
785 		break;
786 	default:
787 		assert(0);
788 		return;
789 	}
790 
791 	width = align(rtex->surface.u.legacy.level[0].nblk_x, cl_width * 8);
792 	height = align(rtex->surface.u.legacy.level[0].nblk_y, cl_height * 8);
793 
794 	slice_elements = (width * height) / (8 * 8);
795 	slice_bytes = slice_elements * 4;
796 
797 	pipe_interleave_bytes = rscreen->info.pipe_interleave_bytes;
798 	base_align = num_pipes * pipe_interleave_bytes;
799 
800 	rtex->surface.meta_alignment_log2 = util_logbase2(base_align);
801 	rtex->surface.meta_size =
802 		util_num_layers(&rtex->resource.b.b, 0) *
803 		align(slice_bytes, base_align);
804 }
805 
r600_texture_allocate_htile(struct r600_common_screen * rscreen,struct r600_texture * rtex)806 static void r600_texture_allocate_htile(struct r600_common_screen *rscreen,
807 					struct r600_texture *rtex)
808 {
809 	r600_texture_get_htile_size(rscreen, rtex);
810 
811 	if (!rtex->surface.meta_size)
812 		return;
813 
814 	rtex->htile_offset = align(rtex->size, 1 << rtex->surface.meta_alignment_log2);
815 	rtex->size = rtex->htile_offset + rtex->surface.meta_size;
816 }
817 
r600_print_texture_info(struct r600_common_screen * rscreen,struct r600_texture * rtex,struct u_log_context * log)818 void r600_print_texture_info(struct r600_common_screen *rscreen,
819 			     struct r600_texture *rtex, struct u_log_context *log)
820 {
821 	int i;
822 
823 	/* Common parameters. */
824 	u_log_printf(log, "  Info: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
825 		"blk_h=%u, array_size=%u, last_level=%u, "
826 		"bpe=%u, nsamples=%u, flags=0x%"PRIx64", %s\n",
827 		rtex->resource.b.b.width0, rtex->resource.b.b.height0,
828 		rtex->resource.b.b.depth0, rtex->surface.blk_w,
829 		rtex->surface.blk_h,
830 		rtex->resource.b.b.array_size, rtex->resource.b.b.last_level,
831 		rtex->surface.bpe, rtex->resource.b.b.nr_samples,
832 		rtex->surface.flags, util_format_short_name(rtex->resource.b.b.format));
833 
834 	u_log_printf(log, "  Layout: size=%"PRIu64", alignment=%u, bankw=%u, "
835 		"bankh=%u, nbanks=%u, mtilea=%u, tilesplit=%u, pipeconfig=%u, scanout=%u\n",
836 		rtex->surface.surf_size, 1 << rtex->surface.surf_alignment_log2, rtex->surface.u.legacy.bankw,
837 		rtex->surface.u.legacy.bankh, rtex->surface.u.legacy.num_banks, rtex->surface.u.legacy.mtilea,
838 		rtex->surface.u.legacy.tile_split, rtex->surface.u.legacy.pipe_config,
839 		(rtex->surface.flags & RADEON_SURF_SCANOUT) != 0);
840 
841 	if (rtex->fmask.size)
842 		u_log_printf(log, "  FMask: offset=%"PRIu64", size=%"PRIu64", alignment=%u, pitch_in_pixels=%u, "
843 			"bankh=%u, slice_tile_max=%u, tile_mode_index=%u\n",
844 			rtex->fmask.offset, rtex->fmask.size, rtex->fmask.alignment,
845 			rtex->fmask.pitch_in_pixels, rtex->fmask.bank_height,
846 			rtex->fmask.slice_tile_max, rtex->fmask.tile_mode_index);
847 
848 	if (rtex->cmask.size)
849 		u_log_printf(log, "  CMask: offset=%"PRIu64", size=%"PRIu64", alignment=%u, "
850 			"slice_tile_max=%u\n",
851 			rtex->cmask.offset, rtex->cmask.size, rtex->cmask.alignment,
852 			rtex->cmask.slice_tile_max);
853 
854 	if (rtex->htile_offset)
855 		u_log_printf(log, "  HTile: offset=%"PRIu64", size=%u "
856 			"alignment=%u\n",
857 			     rtex->htile_offset, rtex->surface.meta_size,
858 			     1 << rtex->surface.meta_alignment_log2);
859 
860 	for (i = 0; i <= rtex->resource.b.b.last_level; i++)
861 		u_log_printf(log, "  Level[%i]: offset=%"PRIu64", slice_size=%"PRIu64", "
862 			"npix_x=%u, npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
863 			"mode=%u, tiling_index = %u\n",
864 			i, (uint64_t)rtex->surface.u.legacy.level[i].offset_256B * 256,
865 			(uint64_t)rtex->surface.u.legacy.level[i].slice_size_dw * 4,
866 			u_minify(rtex->resource.b.b.width0, i),
867 			u_minify(rtex->resource.b.b.height0, i),
868 			u_minify(rtex->resource.b.b.depth0, i),
869 			rtex->surface.u.legacy.level[i].nblk_x,
870 			rtex->surface.u.legacy.level[i].nblk_y,
871 			rtex->surface.u.legacy.level[i].mode,
872 			rtex->surface.u.legacy.tiling_index[i]);
873 
874 	if (rtex->surface.has_stencil) {
875 		u_log_printf(log, "  StencilLayout: tilesplit=%u\n",
876 			rtex->surface.u.legacy.stencil_tile_split);
877 		for (i = 0; i <= rtex->resource.b.b.last_level; i++) {
878 			u_log_printf(log, "  StencilLevel[%i]: offset=%"PRIu64", "
879 				"slice_size=%"PRIu64", npix_x=%u, "
880 				"npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
881 				"mode=%u, tiling_index = %u\n",
882 				i, (uint64_t)rtex->surface.u.legacy.zs.stencil_level[i].offset_256B * 256,
883 				(uint64_t)rtex->surface.u.legacy.zs.stencil_level[i].slice_size_dw * 4,
884 				u_minify(rtex->resource.b.b.width0, i),
885 				u_minify(rtex->resource.b.b.height0, i),
886 				u_minify(rtex->resource.b.b.depth0, i),
887 				rtex->surface.u.legacy.zs.stencil_level[i].nblk_x,
888 				rtex->surface.u.legacy.zs.stencil_level[i].nblk_y,
889 				rtex->surface.u.legacy.zs.stencil_level[i].mode,
890 				rtex->surface.u.legacy.zs.stencil_tiling_index[i]);
891 		}
892 	}
893 }
894 
895 /* Common processing for r600_texture_create and r600_texture_from_handle */
896 static struct r600_texture *
r600_texture_create_object(struct pipe_screen * screen,const struct pipe_resource * base,struct pb_buffer * buf,struct radeon_surf * surface)897 r600_texture_create_object(struct pipe_screen *screen,
898 			   const struct pipe_resource *base,
899 			   struct pb_buffer *buf,
900 			   struct radeon_surf *surface)
901 {
902 	struct r600_texture *rtex;
903 	struct r600_resource *resource;
904 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
905 
906 	rtex = CALLOC_STRUCT(r600_texture);
907 	if (!rtex)
908 		return NULL;
909 
910 	resource = &rtex->resource;
911 	resource->b.b = *base;
912 	pipe_reference_init(&resource->b.b.reference, 1);
913 	resource->b.b.screen = screen;
914 
915 	/* don't include stencil-only formats which we don't support for rendering */
916 	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));
917 
918 	rtex->surface = *surface;
919 	rtex->size = rtex->surface.surf_size;
920 	rtex->db_render_format = base->format;
921 
922 	/* Tiled depth textures utilize the non-displayable tile order.
923 	 * This must be done after r600_setup_surface.
924 	 * Applies to R600-Cayman. */
925 	rtex->non_disp_tiling = rtex->is_depth && rtex->surface.u.legacy.level[0].mode >= RADEON_SURF_MODE_1D;
926 	/* Applies to GCN. */
927 	rtex->last_msaa_resolve_target_micro_mode = rtex->surface.micro_tile_mode;
928 
929 	if (rtex->is_depth) {
930 		if (base->flags & (R600_RESOURCE_FLAG_TRANSFER |
931 				   R600_RESOURCE_FLAG_FLUSHED_DEPTH) ||
932 		    rscreen->gfx_level >= EVERGREEN) {
933 			rtex->can_sample_z = !rtex->surface.u.legacy.depth_adjusted;
934 			rtex->can_sample_s = !rtex->surface.u.legacy.stencil_adjusted;
935 		} else {
936 			if (rtex->resource.b.b.nr_samples <= 1 &&
937 			    (rtex->resource.b.b.format == PIPE_FORMAT_Z16_UNORM ||
938 			     rtex->resource.b.b.format == PIPE_FORMAT_Z32_FLOAT))
939 				rtex->can_sample_z = true;
940 		}
941 
942 		if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER |
943 				     R600_RESOURCE_FLAG_FLUSHED_DEPTH))) {
944 			rtex->db_compatible = true;
945 
946 			if (!(rscreen->debug_flags & DBG_NO_HYPERZ))
947 				r600_texture_allocate_htile(rscreen, rtex);
948 		}
949 	} else {
950 		if (base->nr_samples > 1) {
951 			if (!buf) {
952 				r600_texture_allocate_fmask(rscreen, rtex);
953 				r600_texture_allocate_cmask(rscreen, rtex);
954 				rtex->cmask_buffer = &rtex->resource;
955 			}
956 			if (!rtex->fmask.size || !rtex->cmask.size) {
957 				FREE(rtex);
958 				return NULL;
959 			}
960 		}
961 	}
962 
963 	/* Now create the backing buffer. */
964 	if (!buf) {
965 		r600_init_resource_fields(rscreen, resource, rtex->size,
966 					  1 << rtex->surface.surf_alignment_log2);
967 
968 		if (!r600_alloc_resource(rscreen, resource)) {
969 			FREE(rtex);
970 			return NULL;
971 		}
972 	} else {
973 		resource->buf = buf;
974 		resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->buf);
975 		resource->bo_size = buf->size;
976 		resource->bo_alignment = 1 << buf->alignment_log2;
977 		resource->domains = rscreen->ws->buffer_get_initial_domain(resource->buf);
978 		if (resource->domains & RADEON_DOMAIN_VRAM)
979 			resource->vram_usage = buf->size;
980 		else if (resource->domains & RADEON_DOMAIN_GTT)
981 			resource->gart_usage = buf->size;
982 	}
983 
984 	if (rtex->cmask.size) {
985 		/* Initialize the cmask to 0xCC (= compressed state). */
986 		r600_screen_clear_buffer(rscreen, &rtex->cmask_buffer->b.b,
987 					 rtex->cmask.offset, rtex->cmask.size,
988 					 0xCCCCCCCC);
989 	}
990 	if (rtex->htile_offset) {
991 		uint32_t clear_value = 0;
992 
993 		r600_screen_clear_buffer(rscreen, &rtex->resource.b.b,
994 					 rtex->htile_offset,
995 					 rtex->surface.meta_size,
996 					 clear_value);
997 	}
998 
999 	/* Initialize the CMASK base register value. */
1000 	rtex->cmask.base_address_reg =
1001 		(rtex->resource.gpu_address + rtex->cmask.offset) >> 8;
1002 
1003 	if (rscreen->debug_flags & DBG_VM) {
1004 		fprintf(stderr, "VM start=0x%"PRIX64"  end=0x%"PRIX64" | Texture %ix%ix%i, %i levels, %i samples, %s\n",
1005 			rtex->resource.gpu_address,
1006 			rtex->resource.gpu_address + rtex->resource.buf->size,
1007 			base->width0, base->height0, util_num_layers(base, 0), base->last_level+1,
1008 			base->nr_samples ? base->nr_samples : 1, util_format_short_name(base->format));
1009 	}
1010 
1011 	if (rscreen->debug_flags & DBG_TEX) {
1012 		puts("Texture:");
1013 		struct u_log_context log;
1014 		u_log_context_init(&log);
1015 		r600_print_texture_info(rscreen, rtex, &log);
1016 		u_log_new_page_print(&log, stdout);
1017 		fflush(stdout);
1018 		u_log_context_destroy(&log);
1019 	}
1020 
1021 	return rtex;
1022 }
1023 
1024 static enum radeon_surf_mode
r600_choose_tiling(struct r600_common_screen * rscreen,const struct pipe_resource * templ)1025 r600_choose_tiling(struct r600_common_screen *rscreen,
1026 		   const struct pipe_resource *templ)
1027 {
1028 	const struct util_format_description *desc = util_format_description(templ->format);
1029 	bool force_tiling = templ->flags & R600_RESOURCE_FLAG_FORCE_TILING;
1030 	bool is_depth_stencil = util_format_is_depth_or_stencil(templ->format) &&
1031 				!(templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH);
1032 
1033 	/* MSAA resources must be 2D tiled. */
1034 	if (templ->nr_samples > 1)
1035 		return RADEON_SURF_MODE_2D;
1036 
1037 	/* Transfer resources should be linear. */
1038 	if (templ->flags & R600_RESOURCE_FLAG_TRANSFER)
1039 		return RADEON_SURF_MODE_LINEAR_ALIGNED;
1040 
1041 	/* r600g: force tiling on TEXTURE_2D and TEXTURE_3D compute resources. */
1042 	if (rscreen->gfx_level >= R600 && rscreen->gfx_level <= CAYMAN &&
1043 	    (templ->bind & PIPE_BIND_COMPUTE_RESOURCE) &&
1044 	    (templ->target == PIPE_TEXTURE_2D ||
1045 	     templ->target == PIPE_TEXTURE_3D))
1046 		force_tiling = true;
1047 
1048 	/* Handle common candidates for the linear mode.
1049 	 * Compressed textures and DB surfaces must always be tiled.
1050 	 */
1051 	if (!force_tiling &&
1052 	    !is_depth_stencil &&
1053 	    !util_format_is_compressed(templ->format)) {
1054 		if (rscreen->debug_flags & DBG_NO_TILING)
1055 			return RADEON_SURF_MODE_LINEAR_ALIGNED;
1056 
1057 		/* Tiling doesn't work with the 422 (SUBSAMPLED) formats on R600+. */
1058 		if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
1059 			return RADEON_SURF_MODE_LINEAR_ALIGNED;
1060 
1061 		if (templ->bind & PIPE_BIND_LINEAR)
1062 			return RADEON_SURF_MODE_LINEAR_ALIGNED;
1063 
1064 		/* 1D textures should be linear - fixes image operations on 1d */
1065 		if (templ->target == PIPE_TEXTURE_1D ||
1066 		    templ->target == PIPE_TEXTURE_1D_ARRAY)
1067 			return RADEON_SURF_MODE_LINEAR_ALIGNED;
1068 
1069 		/* Textures likely to be mapped often. */
1070 		if (templ->usage == PIPE_USAGE_STAGING ||
1071 		    templ->usage == PIPE_USAGE_STREAM)
1072 			return RADEON_SURF_MODE_LINEAR_ALIGNED;
1073 	}
1074 
1075 	/* Make small textures 1D tiled. */
1076 	if (templ->width0 <= 16 || templ->height0 <= 16 ||
1077 	    (rscreen->debug_flags & DBG_NO_2D_TILING))
1078 		return RADEON_SURF_MODE_1D;
1079 
1080 	/* The allocator will switch to 1D if needed. */
1081 	return RADEON_SURF_MODE_2D;
1082 }
1083 
r600_texture_create(struct pipe_screen * screen,const struct pipe_resource * templ)1084 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
1085 					  const struct pipe_resource *templ)
1086 {
1087 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
1088 	struct radeon_surf surface = {0};
1089 	bool is_flushed_depth = templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH;
1090 	int r;
1091 
1092 	r = r600_init_surface(rscreen, &surface, templ,
1093 			      r600_choose_tiling(rscreen, templ), 0, 0,
1094 			      false, false, is_flushed_depth);
1095 	if (r) {
1096 		return NULL;
1097 	}
1098 
1099 	return (struct pipe_resource *)
1100 	       r600_texture_create_object(screen, templ, NULL, &surface);
1101 }
1102 
r600_texture_from_handle(struct pipe_screen * screen,const struct pipe_resource * templ,struct winsys_handle * whandle,unsigned usage)1103 static struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
1104 						      const struct pipe_resource *templ,
1105 						      struct winsys_handle *whandle,
1106                                                       unsigned usage)
1107 {
1108 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
1109 	struct pb_buffer *buf = NULL;
1110 	enum radeon_surf_mode array_mode;
1111 	struct radeon_surf surface = {};
1112 	int r;
1113 	struct radeon_bo_metadata metadata = {};
1114 	struct r600_texture *rtex;
1115 	bool is_scanout;
1116 
1117 	/* Support only 2D textures without mipmaps */
1118 	if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
1119 	      templ->depth0 != 1 || templ->last_level != 0)
1120 		return NULL;
1121 
1122 	buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle,
1123 					      rscreen->info.max_alignment, false);
1124 	if (!buf)
1125 		return NULL;
1126 
1127 	rscreen->ws->buffer_get_metadata(rscreen->ws, buf, &metadata, NULL);
1128 	r600_surface_import_metadata(rscreen, &surface, &metadata,
1129 				     &array_mode, &is_scanout);
1130 
1131 	r = r600_init_surface(rscreen, &surface, templ, array_mode,
1132 			      whandle->stride, whandle->offset,
1133 			      true, is_scanout, false);
1134 	if (r) {
1135 		return NULL;
1136 	}
1137 
1138 	rtex = r600_texture_create_object(screen, templ, buf, &surface);
1139 	if (!rtex)
1140 		return NULL;
1141 
1142 	rtex->resource.b.is_shared = true;
1143 	rtex->resource.external_usage = usage;
1144 
1145 	assert(rtex->surface.tile_swizzle == 0);
1146 	return &rtex->resource.b.b;
1147 }
1148 
r600_init_flushed_depth_texture(struct pipe_context * ctx,struct pipe_resource * texture,struct r600_texture ** staging)1149 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
1150 				     struct pipe_resource *texture,
1151 				     struct r600_texture **staging)
1152 {
1153 	struct r600_texture *rtex = (struct r600_texture*)texture;
1154 	struct pipe_resource resource;
1155 	struct r600_texture **flushed_depth_texture = staging ?
1156 			staging : &rtex->flushed_depth_texture;
1157 	enum pipe_format pipe_format = texture->format;
1158 
1159 	if (!staging) {
1160 		if (rtex->flushed_depth_texture)
1161 			return true; /* it's ready */
1162 
1163 		if (!rtex->can_sample_z && rtex->can_sample_s) {
1164 			switch (pipe_format) {
1165 			case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1166 				/* Save memory by not allocating the S plane. */
1167 				pipe_format = PIPE_FORMAT_Z32_FLOAT;
1168 				break;
1169 			case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1170 			case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1171 				/* Save memory bandwidth by not copying the
1172 				 * stencil part during flush.
1173 				 *
1174 				 * This potentially increases memory bandwidth
1175 				 * if an application uses both Z and S texturing
1176 				 * simultaneously (a flushed Z24S8 texture
1177 				 * would be stored compactly), but how often
1178 				 * does that really happen?
1179 				 */
1180 				pipe_format = PIPE_FORMAT_Z24X8_UNORM;
1181 				break;
1182 			default:;
1183 			}
1184 		} else if (!rtex->can_sample_s && rtex->can_sample_z) {
1185 			assert(util_format_has_stencil(util_format_description(pipe_format)));
1186 
1187 			/* DB->CB copies to an 8bpp surface don't work. */
1188 			pipe_format = PIPE_FORMAT_X24S8_UINT;
1189 		}
1190 	}
1191 
1192 	memset(&resource, 0, sizeof(resource));
1193 	resource.target = texture->target;
1194 	resource.format = pipe_format;
1195 	resource.width0 = texture->width0;
1196 	resource.height0 = texture->height0;
1197 	resource.depth0 = texture->depth0;
1198 	resource.array_size = texture->array_size;
1199 	resource.last_level = texture->last_level;
1200 	resource.nr_samples = texture->nr_samples;
1201 	resource.usage = staging ? PIPE_USAGE_STAGING : PIPE_USAGE_DEFAULT;
1202 	resource.bind = texture->bind & ~PIPE_BIND_DEPTH_STENCIL;
1203 	resource.flags = texture->flags | R600_RESOURCE_FLAG_FLUSHED_DEPTH;
1204 
1205 	if (staging)
1206 		resource.flags |= R600_RESOURCE_FLAG_TRANSFER;
1207 
1208 	*flushed_depth_texture = (struct r600_texture *)ctx->screen->resource_create(ctx->screen, &resource);
1209 	if (*flushed_depth_texture == NULL) {
1210 		R600_ERR("failed to create temporary texture to hold flushed depth\n");
1211 		return false;
1212 	}
1213 
1214 	(*flushed_depth_texture)->non_disp_tiling = false;
1215 	return true;
1216 }
1217 
1218 /**
1219  * Initialize the pipe_resource descriptor to be of the same size as the box,
1220  * which is supposed to hold a subregion of the texture "orig" at the given
1221  * mipmap level.
1222  */
r600_init_temp_resource_from_box(struct pipe_resource * res,struct pipe_resource * orig,const struct pipe_box * box,unsigned level,unsigned flags)1223 static void r600_init_temp_resource_from_box(struct pipe_resource *res,
1224 					     struct pipe_resource *orig,
1225 					     const struct pipe_box *box,
1226 					     unsigned level, unsigned flags)
1227 {
1228 	memset(res, 0, sizeof(*res));
1229 	res->format = orig->format;
1230 	res->width0 = box->width;
1231 	res->height0 = box->height;
1232 	res->depth0 = 1;
1233 	res->array_size = 1;
1234 	res->usage = flags & R600_RESOURCE_FLAG_TRANSFER ? PIPE_USAGE_STAGING : PIPE_USAGE_DEFAULT;
1235 	res->flags = flags;
1236 
1237 	/* We must set the correct texture target and dimensions for a 3D box. */
1238 	if (box->depth > 1 && util_max_layer(orig, level) > 0) {
1239 		res->target = PIPE_TEXTURE_2D_ARRAY;
1240 		res->array_size = box->depth;
1241 	} else {
1242 		res->target = PIPE_TEXTURE_2D;
1243 	}
1244 }
1245 
r600_can_invalidate_texture(struct r600_common_screen * rscreen,struct r600_texture * rtex,unsigned transfer_usage,const struct pipe_box * box)1246 static bool r600_can_invalidate_texture(struct r600_common_screen *rscreen,
1247 					struct r600_texture *rtex,
1248 					unsigned transfer_usage,
1249 					const struct pipe_box *box)
1250 {
1251 	/* r600g doesn't react to dirty_tex_descriptor_counter */
1252 	return rscreen->gfx_level >= GFX6 &&
1253 		!rtex->resource.b.is_shared &&
1254 		!(transfer_usage & PIPE_MAP_READ) &&
1255 		rtex->resource.b.b.last_level == 0 &&
1256 		util_texrange_covers_whole_level(&rtex->resource.b.b, 0,
1257 						 box->x, box->y, box->z,
1258 						 box->width, box->height,
1259 						 box->depth);
1260 }
1261 
r600_texture_invalidate_storage(struct r600_common_context * rctx,struct r600_texture * rtex)1262 static void r600_texture_invalidate_storage(struct r600_common_context *rctx,
1263 					    struct r600_texture *rtex)
1264 {
1265 	struct r600_common_screen *rscreen = rctx->screen;
1266 
1267 	/* There is no point in discarding depth and tiled buffers. */
1268 	assert(!rtex->is_depth);
1269 	assert(rtex->surface.is_linear);
1270 
1271 	/* Reallocate the buffer in the same pipe_resource. */
1272 	r600_alloc_resource(rscreen, &rtex->resource);
1273 
1274 	/* Initialize the CMASK base address (needed even without CMASK). */
1275 	rtex->cmask.base_address_reg =
1276 		(rtex->resource.gpu_address + rtex->cmask.offset) >> 8;
1277 
1278 	p_atomic_inc(&rscreen->dirty_tex_counter);
1279 
1280 	rctx->num_alloc_tex_transfer_bytes += rtex->size;
1281 }
1282 
r600_texture_transfer_map(struct pipe_context * ctx,struct pipe_resource * texture,unsigned level,unsigned usage,const struct pipe_box * box,struct pipe_transfer ** ptransfer)1283 void *r600_texture_transfer_map(struct pipe_context *ctx,
1284 			       struct pipe_resource *texture,
1285 			       unsigned level,
1286 			       unsigned usage,
1287 			       const struct pipe_box *box,
1288 			       struct pipe_transfer **ptransfer)
1289 {
1290 	struct r600_common_context *rctx = (struct r600_common_context*)ctx;
1291 	struct r600_texture *rtex = (struct r600_texture*)texture;
1292 	struct r600_transfer *trans;
1293 	struct r600_resource *buf;
1294 	unsigned offset = 0;
1295 	char *map;
1296 	bool use_staging_texture = false;
1297 
1298 	assert(!(texture->flags & R600_RESOURCE_FLAG_TRANSFER));
1299 	assert(box->width && box->height && box->depth);
1300 
1301 	/* Depth textures use staging unconditionally. */
1302 	if (!rtex->is_depth) {
1303 		/* Degrade the tile mode if we get too many transfers on APUs.
1304 		 * On dGPUs, the staging texture is always faster.
1305 		 * Only count uploads that are at least 4x4 pixels large.
1306 		 */
1307 		if (!rctx->screen->info.has_dedicated_vram &&
1308 		    level == 0 &&
1309 		    box->width >= 4 && box->height >= 4 &&
1310 		    p_atomic_inc_return(&rtex->num_level0_transfers) == 10) {
1311 			bool can_invalidate =
1312 				r600_can_invalidate_texture(rctx->screen, rtex,
1313 							    usage, box);
1314 
1315 			r600_reallocate_texture_inplace(rctx, rtex,
1316 							PIPE_BIND_LINEAR,
1317 							can_invalidate);
1318 		}
1319 
1320 		/* Tiled textures need to be converted into a linear texture for CPU
1321 		 * access. The staging texture is always linear and is placed in GART.
1322 		 *
1323 		 * Reading from VRAM or GTT WC is slow, always use the staging
1324 		 * texture in this case.
1325 		 *
1326 		 * Use the staging texture for uploads if the underlying BO
1327 		 * is busy.
1328 		 */
1329 		if (!rtex->surface.is_linear)
1330 			use_staging_texture = true;
1331 		else if (usage & PIPE_MAP_READ)
1332 			use_staging_texture =
1333 				rtex->resource.domains & RADEON_DOMAIN_VRAM ||
1334 				rtex->resource.flags & RADEON_FLAG_GTT_WC;
1335 		/* Write & linear only: */
1336 		else if (r600_rings_is_buffer_referenced(rctx, rtex->resource.buf,
1337 							 RADEON_USAGE_READWRITE) ||
1338 			 !rctx->ws->buffer_wait(rctx->ws, rtex->resource.buf, 0,
1339 						RADEON_USAGE_READWRITE)) {
1340 			/* It's busy. */
1341 			if (r600_can_invalidate_texture(rctx->screen, rtex,
1342 							usage, box))
1343 				r600_texture_invalidate_storage(rctx, rtex);
1344 			else
1345 				use_staging_texture = true;
1346 		}
1347 	}
1348 
1349 	trans = CALLOC_STRUCT(r600_transfer);
1350 	if (!trans)
1351 		return NULL;
1352 	pipe_resource_reference(&trans->b.b.resource, texture);
1353 	trans->b.b.level = level;
1354 	trans->b.b.usage = usage;
1355 	trans->b.b.box = *box;
1356 
1357 	if (rtex->is_depth) {
1358 		struct r600_texture *staging_depth;
1359 
1360 		if (rtex->resource.b.b.nr_samples > 1) {
1361 			/* MSAA depth buffers need to be converted to single sample buffers.
1362 			 *
1363 			 * Mapping MSAA depth buffers can occur if ReadPixels is called
1364 			 * with a multisample GLX visual.
1365 			 *
1366 			 * First downsample the depth buffer to a temporary texture,
1367 			 * then decompress the temporary one to staging.
1368 			 *
1369 			 * Only the region being mapped is transfered.
1370 			 */
1371 			struct pipe_resource resource;
1372 
1373 			r600_init_temp_resource_from_box(&resource, texture, box, level, 0);
1374 
1375 			if (!r600_init_flushed_depth_texture(ctx, &resource, &staging_depth)) {
1376 				R600_ERR("failed to create temporary texture to hold untiled copy\n");
1377 				FREE(trans);
1378 				return NULL;
1379 			}
1380 
1381 			if (usage & PIPE_MAP_READ) {
1382 				struct pipe_resource *temp = ctx->screen->resource_create(ctx->screen, &resource);
1383 				if (!temp) {
1384 					R600_ERR("failed to create a temporary depth texture\n");
1385 					FREE(trans);
1386 					return NULL;
1387 				}
1388 
1389 				r600_copy_region_with_blit(ctx, temp, 0, 0, 0, 0, texture, level, box);
1390 				rctx->blit_decompress_depth(ctx, (struct r600_texture*)temp, staging_depth,
1391 							    0, 0, 0, box->depth, 0, 0);
1392 				pipe_resource_reference(&temp, NULL);
1393 			}
1394 
1395 			/* Just get the strides. */
1396 			r600_texture_get_offset(rctx->screen, staging_depth, level, NULL,
1397 						&trans->b.b.stride,
1398 						&trans->b.b.layer_stride);
1399 		} else {
1400 			/* XXX: only readback the rectangle which is being mapped? */
1401 			/* XXX: when discard is true, no need to read back from depth texture */
1402 			if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) {
1403 				R600_ERR("failed to create temporary texture to hold untiled copy\n");
1404 				FREE(trans);
1405 				return NULL;
1406 			}
1407 
1408 			rctx->blit_decompress_depth(ctx, rtex, staging_depth,
1409 						    level, level,
1410 						    box->z, box->z + box->depth - 1,
1411 						    0, 0);
1412 
1413 			offset = r600_texture_get_offset(rctx->screen, staging_depth,
1414 							 level, box,
1415 							 &trans->b.b.stride,
1416 							 &trans->b.b.layer_stride);
1417 		}
1418 
1419 		trans->staging = (struct r600_resource*)staging_depth;
1420 		buf = trans->staging;
1421 	} else if (use_staging_texture) {
1422 		struct pipe_resource resource;
1423 		struct r600_texture *staging;
1424 
1425 		r600_init_temp_resource_from_box(&resource, texture, box, level,
1426 						 R600_RESOURCE_FLAG_TRANSFER);
1427 		resource.usage = (usage & PIPE_MAP_READ) ?
1428 			PIPE_USAGE_STAGING : PIPE_USAGE_STREAM;
1429 
1430 		/* Create the temporary texture. */
1431 		staging = (struct r600_texture*)ctx->screen->resource_create(ctx->screen, &resource);
1432 		if (!staging) {
1433 			R600_ERR("failed to create temporary texture to hold untiled copy\n");
1434 			FREE(trans);
1435 			return NULL;
1436 		}
1437 		trans->staging = &staging->resource;
1438 
1439 		/* Just get the strides. */
1440 		r600_texture_get_offset(rctx->screen, staging, 0, NULL,
1441 					&trans->b.b.stride,
1442 					&trans->b.b.layer_stride);
1443 
1444 		if (usage & PIPE_MAP_READ)
1445 			r600_copy_to_staging_texture(ctx, trans);
1446 		else
1447 			usage |= PIPE_MAP_UNSYNCHRONIZED;
1448 
1449 		buf = trans->staging;
1450 	} else {
1451 		/* the resource is mapped directly */
1452 		offset = r600_texture_get_offset(rctx->screen, rtex, level, box,
1453 						 &trans->b.b.stride,
1454 						 &trans->b.b.layer_stride);
1455 		buf = &rtex->resource;
1456 	}
1457 
1458 	if (!(map = r600_buffer_map_sync_with_rings(rctx, buf, usage))) {
1459 		r600_resource_reference(&trans->staging, NULL);
1460 		FREE(trans);
1461 		return NULL;
1462 	}
1463 
1464 	*ptransfer = &trans->b.b;
1465 	return map + offset;
1466 }
1467 
r600_texture_transfer_unmap(struct pipe_context * ctx,struct pipe_transfer * transfer)1468 void r600_texture_transfer_unmap(struct pipe_context *ctx,
1469 				struct pipe_transfer* transfer)
1470 {
1471 	struct r600_common_context *rctx = (struct r600_common_context*)ctx;
1472 	struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
1473 	struct pipe_resource *texture = transfer->resource;
1474 	struct r600_texture *rtex = (struct r600_texture*)texture;
1475 
1476 	if ((transfer->usage & PIPE_MAP_WRITE) && rtransfer->staging) {
1477 		if (rtex->is_depth && rtex->resource.b.b.nr_samples <= 1) {
1478 			ctx->resource_copy_region(ctx, texture, transfer->level,
1479 						  transfer->box.x, transfer->box.y, transfer->box.z,
1480 						  &rtransfer->staging->b.b, transfer->level,
1481 						  &transfer->box);
1482 		} else {
1483 			r600_copy_from_staging_texture(ctx, rtransfer);
1484 		}
1485 	}
1486 
1487 	if (rtransfer->staging) {
1488 		rctx->num_alloc_tex_transfer_bytes += rtransfer->staging->buf->size;
1489 		r600_resource_reference(&rtransfer->staging, NULL);
1490 	}
1491 
1492 	/* Heuristic for {upload, draw, upload, draw, ..}:
1493 	 *
1494 	 * Flush the gfx IB if we've allocated too much texture storage.
1495 	 *
1496 	 * The idea is that we don't want to build IBs that use too much
1497 	 * memory and put pressure on the kernel memory manager and we also
1498 	 * want to make temporary and invalidated buffers go idle ASAP to
1499 	 * decrease the total memory usage or make them reusable. The memory
1500 	 * usage will be slightly higher than given here because of the buffer
1501 	 * cache in the winsys.
1502 	 *
1503 	 * The result is that the kernel memory manager is never a bottleneck.
1504 	 */
1505 	if (rctx->num_alloc_tex_transfer_bytes > (uint64_t)rctx->screen->info.gart_size_kb * 1024 / 4) {
1506 		rctx->gfx.flush(rctx, PIPE_FLUSH_ASYNC, NULL);
1507 		rctx->num_alloc_tex_transfer_bytes = 0;
1508 	}
1509 
1510 	pipe_resource_reference(&transfer->resource, NULL);
1511 	FREE(transfer);
1512 }
1513 
r600_create_surface_custom(struct pipe_context * pipe,struct pipe_resource * texture,const struct pipe_surface * templ,unsigned width0,unsigned height0,unsigned width,unsigned height)1514 struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe,
1515 						struct pipe_resource *texture,
1516 						const struct pipe_surface *templ,
1517 						unsigned width0, unsigned height0,
1518 						unsigned width, unsigned height)
1519 {
1520 	struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
1521 
1522 	if (!surface)
1523 		return NULL;
1524 
1525 	assert(templ->u.tex.first_layer <= util_max_layer(texture, templ->u.tex.level));
1526 	assert(templ->u.tex.last_layer <= util_max_layer(texture, templ->u.tex.level));
1527 
1528 	pipe_reference_init(&surface->base.reference, 1);
1529 	pipe_resource_reference(&surface->base.texture, texture);
1530 	surface->base.context = pipe;
1531 	surface->base.format = templ->format;
1532 	surface->base.width = width;
1533 	surface->base.height = height;
1534 	surface->base.u = templ->u;
1535 
1536 	surface->width0 = width0;
1537 	surface->height0 = height0;
1538 
1539 	return &surface->base;
1540 }
1541 
r600_create_surface(struct pipe_context * pipe,struct pipe_resource * tex,const struct pipe_surface * templ)1542 static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
1543 						struct pipe_resource *tex,
1544 						const struct pipe_surface *templ)
1545 {
1546 	unsigned level = templ->u.tex.level;
1547 	unsigned width = u_minify(tex->width0, level);
1548 	unsigned height = u_minify(tex->height0, level);
1549 	unsigned width0 = tex->width0;
1550 	unsigned height0 = tex->height0;
1551 
1552 	if (tex->target != PIPE_BUFFER && templ->format != tex->format) {
1553 		const struct util_format_description *tex_desc
1554 			= util_format_description(tex->format);
1555 		const struct util_format_description *templ_desc
1556 			= util_format_description(templ->format);
1557 
1558 		assert(tex_desc->block.bits == templ_desc->block.bits);
1559 
1560 		/* Adjust size of surface if and only if the block width or
1561 		 * height is changed. */
1562 		if (tex_desc->block.width != templ_desc->block.width ||
1563 		    tex_desc->block.height != templ_desc->block.height) {
1564 			unsigned nblks_x = util_format_get_nblocksx(tex->format, width);
1565 			unsigned nblks_y = util_format_get_nblocksy(tex->format, height);
1566 
1567 			width = nblks_x * templ_desc->block.width;
1568 			height = nblks_y * templ_desc->block.height;
1569 
1570 			width0 = util_format_get_nblocksx(tex->format, width0);
1571 			height0 = util_format_get_nblocksy(tex->format, height0);
1572 		}
1573 	}
1574 
1575 	return r600_create_surface_custom(pipe, tex, templ,
1576 					  width0, height0,
1577 					  width, height);
1578 }
1579 
r600_surface_destroy(struct pipe_context * pipe,struct pipe_surface * surface)1580 static void r600_surface_destroy(struct pipe_context *pipe,
1581 				 struct pipe_surface *surface)
1582 {
1583 	struct r600_surface *surf = (struct r600_surface*)surface;
1584 	r600_resource_reference(&surf->cb_buffer_fmask, NULL);
1585 	r600_resource_reference(&surf->cb_buffer_cmask, NULL);
1586 	pipe_resource_reference(&surface->texture, NULL);
1587 	FREE(surface);
1588 }
1589 
r600_clear_texture(struct pipe_context * pipe,struct pipe_resource * tex,unsigned level,const struct pipe_box * box,const void * data)1590 static void r600_clear_texture(struct pipe_context *pipe,
1591 			       struct pipe_resource *tex,
1592 			       unsigned level,
1593 			       const struct pipe_box *box,
1594 			       const void *data)
1595 {
1596 	struct pipe_screen *screen = pipe->screen;
1597 	struct r600_texture *rtex = (struct r600_texture*)tex;
1598 	struct pipe_surface tmpl = {{0}};
1599 	struct pipe_surface *sf;
1600 
1601 	tmpl.format = tex->format;
1602 	tmpl.u.tex.first_layer = box->z;
1603 	tmpl.u.tex.last_layer = box->z + box->depth - 1;
1604 	tmpl.u.tex.level = level;
1605 	sf = pipe->create_surface(pipe, tex, &tmpl);
1606 	if (!sf)
1607 		return;
1608 
1609 	if (rtex->is_depth) {
1610 		unsigned clear;
1611 		float depth;
1612 		uint8_t stencil = 0;
1613 
1614 		/* Depth is always present. */
1615 		clear = PIPE_CLEAR_DEPTH;
1616 		util_format_unpack_z_float(tex->format, &depth, data, 1);
1617 
1618 		if (rtex->surface.has_stencil) {
1619 			clear |= PIPE_CLEAR_STENCIL;
1620 			util_format_unpack_s_8uint(tex->format, &stencil, data, 1);
1621 		}
1622 
1623 		pipe->clear_depth_stencil(pipe, sf, clear, depth, stencil,
1624 					  box->x, box->y,
1625 					  box->width, box->height, false);
1626 	} else {
1627 		union pipe_color_union color;
1628 
1629 		util_format_unpack_rgba(tex->format, color.ui, data, 1);
1630 
1631 		if (screen->is_format_supported(screen, tex->format,
1632 						tex->target, 0, 0,
1633 						PIPE_BIND_RENDER_TARGET)) {
1634 			pipe->clear_render_target(pipe, sf, &color,
1635 						  box->x, box->y,
1636 						  box->width, box->height, false);
1637 		} else {
1638 			/* Software fallback - just for R9G9B9E5_FLOAT */
1639 			util_clear_render_target(pipe, sf, &color,
1640 						 box->x, box->y,
1641 						 box->width, box->height);
1642 		}
1643 	}
1644 	pipe_surface_reference(&sf, NULL);
1645 }
1646 
r600_translate_colorswap(enum pipe_format format,bool do_endian_swap)1647 unsigned r600_translate_colorswap(enum pipe_format format, bool do_endian_swap)
1648 {
1649 	const struct util_format_description *desc = util_format_description(format);
1650 
1651 #define HAS_SWIZZLE(chan,swz) (desc->swizzle[chan] == PIPE_SWIZZLE_##swz)
1652 
1653 	if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
1654 		return V_0280A0_SWAP_STD;
1655 
1656 	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
1657 		return ~0U;
1658 
1659 	switch (desc->nr_channels) {
1660 	case 1:
1661 		if (HAS_SWIZZLE(0,X))
1662 			return V_0280A0_SWAP_STD; /* X___ */
1663 		else if (HAS_SWIZZLE(3,X))
1664 			return V_0280A0_SWAP_ALT_REV; /* ___X */
1665 		break;
1666 	case 2:
1667 		if ((HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,Y)) ||
1668 		    (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,NONE)) ||
1669 		    (HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,Y)))
1670 			return V_0280A0_SWAP_STD; /* XY__ */
1671 		else if ((HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,X)) ||
1672 			 (HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,NONE)) ||
1673 		         (HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,X)))
1674 			/* YX__ */
1675 			return (do_endian_swap ? V_0280A0_SWAP_STD : V_0280A0_SWAP_STD_REV);
1676 		else if (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(3,Y))
1677 			return V_0280A0_SWAP_ALT; /* X__Y */
1678 		else if (HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(3,X))
1679 			return V_0280A0_SWAP_ALT_REV; /* Y__X */
1680 		break;
1681 	case 3:
1682 		if (HAS_SWIZZLE(0,X))
1683 			return (do_endian_swap ? V_0280A0_SWAP_STD_REV : V_0280A0_SWAP_STD);
1684 		else if (HAS_SWIZZLE(0,Z))
1685 			return V_0280A0_SWAP_STD_REV; /* ZYX */
1686 		break;
1687 	case 4:
1688 		/* check the middle channels, the 1st and 4th channel can be NONE */
1689 		if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,Z)) {
1690 			return V_0280A0_SWAP_STD; /* XYZW */
1691 		} else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,Y)) {
1692 			return V_0280A0_SWAP_STD_REV; /* WZYX */
1693 		} else if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,X)) {
1694 			return V_0280A0_SWAP_ALT; /* ZYXW */
1695 		} else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,W)) {
1696 			/* YZWX */
1697 			if (desc->is_array)
1698 				return V_0280A0_SWAP_ALT_REV;
1699 			else
1700 				return (do_endian_swap ? V_0280A0_SWAP_ALT : V_0280A0_SWAP_ALT_REV);
1701 		}
1702 		break;
1703 	}
1704 	return ~0U;
1705 }
1706 
1707 /* FAST COLOR CLEAR */
1708 
evergreen_set_clear_color(struct r600_texture * rtex,enum pipe_format surface_format,const union pipe_color_union * color)1709 static void evergreen_set_clear_color(struct r600_texture *rtex,
1710 				      enum pipe_format surface_format,
1711 				      const union pipe_color_union *color)
1712 {
1713 	union util_color uc;
1714 
1715 	memset(&uc, 0, sizeof(uc));
1716 
1717 	if (rtex->surface.bpe == 16) {
1718 		/* DCC fast clear only:
1719 		 *   CLEAR_WORD0 = R = G = B
1720 		 *   CLEAR_WORD1 = A
1721 		 */
1722 		assert(color->ui[0] == color->ui[1] &&
1723 		       color->ui[0] == color->ui[2]);
1724 		uc.ui[0] = color->ui[0];
1725 		uc.ui[1] = color->ui[3];
1726 	} else {
1727 		util_pack_color_union(surface_format, &uc, color);
1728 	}
1729 
1730 	memcpy(rtex->color_clear_value, &uc, 2 * sizeof(uint32_t));
1731 }
1732 
evergreen_do_fast_color_clear(struct r600_common_context * rctx,struct pipe_framebuffer_state * fb,struct r600_atom * fb_state,unsigned * buffers,ubyte * dirty_cbufs,const union pipe_color_union * color)1733 void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
1734 				   struct pipe_framebuffer_state *fb,
1735 				   struct r600_atom *fb_state,
1736 				   unsigned *buffers, ubyte *dirty_cbufs,
1737 				   const union pipe_color_union *color)
1738 {
1739 	int i;
1740 
1741 	/* This function is broken in BE, so just disable this path for now */
1742 #if UTIL_ARCH_BIG_ENDIAN
1743 	return;
1744 #endif
1745 
1746 	if (rctx->render_cond)
1747 		return;
1748 
1749 	for (i = 0; i < fb->nr_cbufs; i++) {
1750 		struct r600_texture *tex;
1751 		unsigned clear_bit = PIPE_CLEAR_COLOR0 << i;
1752 
1753 		if (!fb->cbufs[i])
1754 			continue;
1755 
1756 		/* if this colorbuffer is not being cleared */
1757 		if (!(*buffers & clear_bit))
1758 			continue;
1759 
1760 		tex = (struct r600_texture *)fb->cbufs[i]->texture;
1761 
1762 		/* the clear is allowed if all layers are bound */
1763 		if (fb->cbufs[i]->u.tex.first_layer != 0 ||
1764 		    fb->cbufs[i]->u.tex.last_layer != util_max_layer(&tex->resource.b.b, 0)) {
1765 			continue;
1766 		}
1767 
1768 		/* cannot clear mipmapped textures */
1769 		if (fb->cbufs[i]->texture->last_level != 0) {
1770 			continue;
1771 		}
1772 
1773 		/* only supported on tiled surfaces */
1774 		if (tex->surface.is_linear) {
1775 			continue;
1776 		}
1777 
1778 		/* shared textures can't use fast clear without an explicit flush,
1779 		 * because there is no way to communicate the clear color among
1780 		 * all clients
1781 		 */
1782 		if (tex->resource.b.is_shared &&
1783 		    !(tex->resource.external_usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH))
1784 			continue;
1785 
1786 		/* Use a slow clear for small surfaces where the cost of
1787 		 * the eliminate pass can be higher than the benefit of fast
1788 		 * clear. AMDGPU-pro does this, but the numbers may differ.
1789 		 *
1790 		 * This helps on both dGPUs and APUs, even small ones.
1791 		 */
1792 		if (tex->resource.b.b.nr_samples <= 1 &&
1793 		    tex->resource.b.b.width0 * tex->resource.b.b.height0 <= 300 * 300)
1794 			continue;
1795 
1796 		{
1797 			/* 128-bit formats are unusupported */
1798 			if (tex->surface.bpe > 8) {
1799 				continue;
1800 			}
1801 
1802 			/* ensure CMASK is enabled */
1803 			r600_texture_alloc_cmask_separate(rctx->screen, tex);
1804 			if (tex->cmask.size == 0) {
1805 				continue;
1806 			}
1807 
1808 			/* Do the fast clear. */
1809 			rctx->clear_buffer(&rctx->b, &tex->cmask_buffer->b.b,
1810 					   tex->cmask.offset, tex->cmask.size, 0,
1811 					   R600_COHERENCY_CB_META);
1812 
1813 			bool need_compressed_update = !tex->dirty_level_mask;
1814 
1815 			tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
1816 
1817 			if (need_compressed_update)
1818 				p_atomic_inc(&rctx->screen->compressed_colortex_counter);
1819 		}
1820 
1821 		evergreen_set_clear_color(tex, fb->cbufs[i]->format, color);
1822 
1823 		if (dirty_cbufs)
1824 			*dirty_cbufs |= 1 << i;
1825 		rctx->set_atom_dirty(rctx, fb_state, true);
1826 		*buffers &= ~clear_bit;
1827 	}
1828 }
1829 
1830 static struct pipe_memory_object *
r600_memobj_from_handle(struct pipe_screen * screen,struct winsys_handle * whandle,bool dedicated)1831 r600_memobj_from_handle(struct pipe_screen *screen,
1832 			struct winsys_handle *whandle,
1833 			bool dedicated)
1834 {
1835 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
1836 	struct r600_memory_object *memobj = CALLOC_STRUCT(r600_memory_object);
1837 	struct pb_buffer *buf = NULL;
1838 
1839 	if (!memobj)
1840 		return NULL;
1841 
1842 	buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle,
1843 					      rscreen->info.max_alignment, false);
1844 	if (!buf) {
1845 		free(memobj);
1846 		return NULL;
1847 	}
1848 
1849 	memobj->b.dedicated = dedicated;
1850 	memobj->buf = buf;
1851 	memobj->stride = whandle->stride;
1852 	memobj->offset = whandle->offset;
1853 
1854 	return (struct pipe_memory_object *)memobj;
1855 
1856 }
1857 
1858 static void
r600_memobj_destroy(struct pipe_screen * screen,struct pipe_memory_object * _memobj)1859 r600_memobj_destroy(struct pipe_screen *screen,
1860 		    struct pipe_memory_object *_memobj)
1861 {
1862 	struct r600_memory_object *memobj = (struct r600_memory_object *)_memobj;
1863 
1864 	pb_reference(&memobj->buf, NULL);
1865 	free(memobj);
1866 }
1867 
1868 static struct pipe_resource *
r600_texture_from_memobj(struct pipe_screen * screen,const struct pipe_resource * templ,struct pipe_memory_object * _memobj,uint64_t offset)1869 r600_texture_from_memobj(struct pipe_screen *screen,
1870 			 const struct pipe_resource *templ,
1871 			 struct pipe_memory_object *_memobj,
1872 			 uint64_t offset)
1873 {
1874 	int r;
1875 	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
1876 	struct r600_memory_object *memobj = (struct r600_memory_object *)_memobj;
1877 	struct r600_texture *rtex;
1878 	struct radeon_surf surface = {};
1879 	struct radeon_bo_metadata metadata = {};
1880 	enum radeon_surf_mode array_mode;
1881 	bool is_scanout;
1882 	struct pb_buffer *buf = NULL;
1883 
1884 	if (memobj->b.dedicated) {
1885 		rscreen->ws->buffer_get_metadata(rscreen->ws, memobj->buf, &metadata, NULL);
1886 		r600_surface_import_metadata(rscreen, &surface, &metadata,
1887 				     &array_mode, &is_scanout);
1888 	} else {
1889 		/**
1890 		 * The bo metadata is unset for un-dedicated images. So we fall
1891 		 * back to linear. See answer to question 5 of the
1892 		 * VK_KHX_external_memory spec for some details.
1893 		 *
1894 		 * It is possible that this case isn't going to work if the
1895 		 * surface pitch isn't correctly aligned by default.
1896 		 *
1897 		 * In order to support it correctly we require multi-image
1898 		 * metadata to be syncrhonized between radv and radeonsi. The
1899 		 * semantics of associating multiple image metadata to a memory
1900 		 * object on the vulkan export side are not concretely defined
1901 		 * either.
1902 		 *
1903 		 * All the use cases we are aware of at the moment for memory
1904 		 * objects use dedicated allocations. So lets keep the initial
1905 		 * implementation simple.
1906 		 *
1907 		 * A possible alternative is to attempt to reconstruct the
1908 		 * tiling information when the TexParameter TEXTURE_TILING_EXT
1909 		 * is set.
1910 		 */
1911 		array_mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
1912 		is_scanout = false;
1913 
1914 	}
1915 
1916 	r = r600_init_surface(rscreen, &surface, templ,
1917 			      array_mode, memobj->stride,
1918 			      offset, true, is_scanout,
1919 			      false);
1920 	if (r)
1921 		return NULL;
1922 
1923 	rtex = r600_texture_create_object(screen, templ, memobj->buf, &surface);
1924 	if (!rtex)
1925 		return NULL;
1926 
1927 	/* r600_texture_create_object doesn't increment refcount of
1928 	 * memobj->buf, so increment it here.
1929 	 */
1930 	pb_reference(&buf, memobj->buf);
1931 
1932 	rtex->resource.b.is_shared = true;
1933 	rtex->resource.external_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
1934 
1935 	return &rtex->resource.b.b;
1936 }
1937 
r600_init_screen_texture_functions(struct r600_common_screen * rscreen)1938 void r600_init_screen_texture_functions(struct r600_common_screen *rscreen)
1939 {
1940 	rscreen->b.resource_from_handle = r600_texture_from_handle;
1941 	rscreen->b.resource_get_handle = r600_texture_get_handle;
1942 	rscreen->b.resource_get_info = r600_texture_get_info;
1943 	rscreen->b.resource_from_memobj = r600_texture_from_memobj;
1944 	rscreen->b.memobj_create_from_handle = r600_memobj_from_handle;
1945 	rscreen->b.memobj_destroy = r600_memobj_destroy;
1946 }
1947 
r600_init_context_texture_functions(struct r600_common_context * rctx)1948 void r600_init_context_texture_functions(struct r600_common_context *rctx)
1949 {
1950 	rctx->b.create_surface = r600_create_surface;
1951 	rctx->b.surface_destroy = r600_surface_destroy;
1952 	rctx->b.clear_texture = r600_clear_texture;
1953 }
1954