2 * Copyright (c) 2012-2015 Etnaviv Project
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 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Wladimir J. van der Laan <laanwj@gmail.com>
27 #include "etnaviv_resource.h"
29 #include "hw/common.xml.h"
31 #include "etnaviv_context.h"
32 #include "etnaviv_debug.h"
33 #include "etnaviv_screen.h"
34 #include "etnaviv_translate.h"
36 #include "util/u_inlines.h"
37 #include "util/u_memory.h"
39 /* A tile is 4x4 pixels, having 'screen->specs.bits_per_tile' of tile status.
40 * So, in a buffer of N pixels, there are N / (4 * 4) tiles.
41 * We need N * screen->specs.bits_per_tile / (4 * 4) bits of tile status, or
42 * N * screen->specs.bits_per_tile / (4 * 4 * 8) bytes.
45 etna_screen_resource_alloc_ts(struct pipe_screen
*pscreen
,
46 struct etna_resource
*rsc
)
48 struct etna_screen
*screen
= etna_screen(pscreen
);
49 size_t rt_ts_size
, ts_layer_stride
, pixels
;
53 /* TS only for level 0 -- XXX is this formula correct? */
54 pixels
= rsc
->levels
[0].layer_stride
/ util_format_get_blocksize(rsc
->base
.format
);
55 ts_layer_stride
= align(pixels
* screen
->specs
.bits_per_tile
/ 0x80,
56 0x100 * screen
->specs
.pixel_pipes
);
57 rt_ts_size
= ts_layer_stride
* rsc
->base
.array_size
;
61 DBG_F(ETNA_DBG_RESOURCE_MSGS
, "%p: Allocating tile status of size %zu",
64 struct etna_bo
*rt_ts
;
65 rt_ts
= etna_bo_new(screen
->dev
, rt_ts_size
, DRM_ETNA_GEM_CACHE_WC
);
67 if (unlikely(!rt_ts
)) {
68 BUG("Problem allocating tile status for resource");
73 rsc
->levels
[0].ts_offset
= 0;
74 rsc
->levels
[0].ts_layer_stride
= ts_layer_stride
;
75 rsc
->levels
[0].ts_size
= rt_ts_size
;
77 /* It is important to initialize the TS, as random pattern
78 * can result in crashes. Do this on the CPU as this only happens once
79 * per surface anyway and it's a small area, so it may not be worth
80 * queuing this to the GPU. */
81 void *ts_map
= etna_bo_map(rt_ts
);
82 memset(ts_map
, screen
->specs
.ts_clear_value
, rt_ts_size
);
88 etna_screen_can_create_resource(struct pipe_screen
*pscreen
,
89 const struct pipe_resource
*templat
)
91 struct etna_screen
*screen
= etna_screen(pscreen
);
92 if (!translate_samples_to_xyscale(templat
->nr_samples
, NULL
, NULL
, NULL
))
95 /* templat->bind is not set here, so we must use the minimum sizes */
97 MIN2(screen
->specs
.max_rendertarget_size
, screen
->specs
.max_texture_size
);
99 if (templat
->width0
> max_size
|| templat
->height0
> max_size
)
106 setup_miptree(struct etna_resource
*rsc
, unsigned paddingX
, unsigned paddingY
,
107 unsigned msaa_xscale
, unsigned msaa_yscale
)
109 struct pipe_resource
*prsc
= &rsc
->base
;
110 unsigned level
, size
= 0;
111 unsigned width
= prsc
->width0
;
112 unsigned height
= prsc
->height0
;
113 unsigned depth
= prsc
->depth0
;
115 for (level
= 0; level
<= prsc
->last_level
; level
++) {
116 struct etna_resource_level
*mip
= &rsc
->levels
[level
];
119 mip
->height
= height
;
120 mip
->padded_width
= align(width
* msaa_xscale
, paddingX
);
121 mip
->padded_height
= align(height
* msaa_yscale
, paddingY
);
122 mip
->stride
= util_format_get_stride(prsc
->format
, mip
->padded_width
);
124 mip
->layer_stride
= mip
->stride
* util_format_get_nblocksy(prsc
->format
, mip
->padded_height
);
125 mip
->size
= prsc
->array_size
* mip
->layer_stride
;
127 /* align levels to 64 bytes to be able to render to them */
128 size
+= align(mip
->size
, ETNA_PE_ALIGNMENT
) * depth
;
130 width
= u_minify(width
, 1);
131 height
= u_minify(height
, 1);
132 depth
= u_minify(depth
, 1);
138 /* Create a new resource object, using the given template info */
139 struct pipe_resource
*
140 etna_resource_alloc(struct pipe_screen
*pscreen
, unsigned layout
,
141 const struct pipe_resource
*templat
)
143 struct etna_screen
*screen
= etna_screen(pscreen
);
146 DBG_F(ETNA_DBG_RESOURCE_MSGS
,
147 "target=%d, format=%s, %ux%ux%u, array_size=%u, "
148 "last_level=%u, nr_samples=%u, usage=%u, bind=%x, flags=%x",
149 templat
->target
, util_format_name(templat
->format
), templat
->width0
,
150 templat
->height0
, templat
->depth0
, templat
->array_size
,
151 templat
->last_level
, templat
->nr_samples
, templat
->usage
,
152 templat
->bind
, templat
->flags
);
154 /* Determine scaling for antialiasing, allow override using debug flag */
155 int nr_samples
= templat
->nr_samples
;
156 if ((templat
->bind
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_DEPTH_STENCIL
)) &&
157 !(templat
->bind
& PIPE_BIND_SAMPLER_VIEW
)) {
158 if (DBG_ENABLED(ETNA_DBG_MSAA_2X
))
160 if (DBG_ENABLED(ETNA_DBG_MSAA_4X
))
164 int msaa_xscale
= 1, msaa_yscale
= 1;
165 if (!translate_samples_to_xyscale(nr_samples
, &msaa_xscale
, &msaa_yscale
, NULL
)) {
166 /* Number of samples not supported */
170 /* If we have the TEXTURE_HALIGN feature, we can always align to the
171 * resolve engine's width. If not, we must not align resources used
172 * only for textures. */
173 bool rs_align
= VIV_FEATURE(screen
, chipMinorFeatures1
, TEXTURE_HALIGN
) ||
174 !etna_resource_sampler_only(templat
);
176 /* Determine needed padding (alignment of height/width) */
177 unsigned paddingX
= 0, paddingY
= 0;
178 unsigned halign
= TEXTURE_HALIGN_FOUR
;
179 etna_layout_multiple(layout
, screen
->specs
.pixel_pipes
, rs_align
, &paddingX
,
181 assert(paddingX
&& paddingY
);
183 if (templat
->target
!= PIPE_BUFFER
) {
184 unsigned min_paddingY
= 4 * screen
->specs
.pixel_pipes
;
185 if (paddingY
< min_paddingY
)
186 paddingY
= min_paddingY
;
189 struct etna_resource
*rsc
= CALLOC_STRUCT(etna_resource
);
194 rsc
->base
= *templat
;
195 rsc
->base
.screen
= pscreen
;
196 rsc
->base
.nr_samples
= nr_samples
;
197 rsc
->layout
= layout
;
198 rsc
->halign
= halign
;
200 pipe_reference_init(&rsc
->base
.reference
, 1);
201 list_inithead(&rsc
->list
);
203 size
= setup_miptree(rsc
, paddingX
, paddingY
, msaa_xscale
, msaa_yscale
);
205 uint32_t flags
= DRM_ETNA_GEM_CACHE_WC
;
206 if (templat
->bind
& PIPE_BIND_VERTEX_BUFFER
)
207 flags
|= DRM_ETNA_GEM_FORCE_MMU
;
208 struct etna_bo
*bo
= etna_bo_new(screen
->dev
, size
, flags
);
209 if (unlikely(bo
== NULL
)) {
210 BUG("Problem allocating video memory for resource");
215 rsc
->ts_bo
= 0; /* TS is only created when first bound to surface */
217 if (templat
->bind
& PIPE_BIND_SCANOUT
)
218 rsc
->scanout
= renderonly_scanout_for_resource(&rsc
->base
, screen
->ro
);
220 if (DBG_ENABLED(ETNA_DBG_ZERO
)) {
221 void *map
= etna_bo_map(bo
);
222 memset(map
, 0, size
);
228 static struct pipe_resource
*
229 etna_resource_create(struct pipe_screen
*pscreen
,
230 const struct pipe_resource
*templat
)
232 struct etna_screen
*screen
= etna_screen(pscreen
);
234 /* Figure out what tiling to use -- for now, assume that texture cannot be linear.
235 * there is a capability LINEAR_TEXTURE_SUPPORT (supported on gc880 and
236 * gc2000 at least), but not sure how it works.
237 * Buffers always have LINEAR layout.
239 unsigned layout
= ETNA_LAYOUT_LINEAR
;
240 if (etna_resource_sampler_only(templat
)) {
241 /* The buffer is only used for texturing, so create something
242 * directly compatible with the sampler. Such a buffer can
243 * never be rendered to. */
244 layout
= ETNA_LAYOUT_TILED
;
246 if (util_format_is_compressed(templat
->format
))
247 layout
= ETNA_LAYOUT_LINEAR
;
248 } else if (templat
->target
!= PIPE_BUFFER
) {
249 bool want_multitiled
= false;
250 bool want_supertiled
= screen
->specs
.can_supertile
;
252 /* When this GPU supports single-buffer rendering, don't ever enable
253 * multi-tiling. This replicates the blob behavior on GC3000.
255 if (!screen
->specs
.single_buffer
)
256 want_multitiled
= screen
->specs
.pixel_pipes
> 1;
258 /* Keep single byte blocksized resources as tiled, since we
259 * are unable to use the RS blit to de-tile them. However,
260 * if they're used as a render target or depth/stencil, they
261 * must be multi-tiled for GPUs with multiple pixel pipes.
262 * Ignore depth/stencil here, but it is an error for a render
265 if (util_format_get_blocksize(templat
->format
) == 1 &&
266 !(templat
->bind
& PIPE_BIND_DEPTH_STENCIL
)) {
267 assert(!(templat
->bind
& PIPE_BIND_RENDER_TARGET
&& want_multitiled
));
268 want_multitiled
= want_supertiled
= false;
271 layout
= ETNA_LAYOUT_BIT_TILE
;
273 layout
|= ETNA_LAYOUT_BIT_MULTI
;
275 layout
|= ETNA_LAYOUT_BIT_SUPER
;
278 if (templat
->target
== PIPE_TEXTURE_3D
)
279 layout
= ETNA_LAYOUT_LINEAR
;
281 return etna_resource_alloc(pscreen
, layout
, templat
);
285 etna_resource_changed(struct pipe_screen
*pscreen
, struct pipe_resource
*prsc
)
287 struct etna_resource
*res
= etna_resource(prsc
);
293 etna_resource_destroy(struct pipe_screen
*pscreen
, struct pipe_resource
*prsc
)
295 struct etna_resource
*rsc
= etna_resource(prsc
);
298 etna_bo_del(rsc
->bo
);
301 etna_bo_del(rsc
->ts_bo
);
304 renderonly_scanout_destroy(rsc
->scanout
, etna_screen(pscreen
)->ro
);
306 list_delinit(&rsc
->list
);
308 pipe_resource_reference(&rsc
->texture
, NULL
);
313 static struct pipe_resource
*
314 etna_resource_from_handle(struct pipe_screen
*pscreen
,
315 const struct pipe_resource
*tmpl
,
316 struct winsys_handle
*handle
, unsigned usage
)
318 struct etna_screen
*screen
= etna_screen(pscreen
);
319 struct etna_resource
*rsc
= CALLOC_STRUCT(etna_resource
);
320 struct etna_resource_level
*level
= &rsc
->levels
[0];
321 struct pipe_resource
*prsc
= &rsc
->base
;
322 struct pipe_resource
*ptiled
= NULL
;
324 DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
325 "nr_samples=%u, usage=%u, bind=%x, flags=%x",
326 tmpl
->target
, util_format_name(tmpl
->format
), tmpl
->width0
,
327 tmpl
->height0
, tmpl
->depth0
, tmpl
->array_size
, tmpl
->last_level
,
328 tmpl
->nr_samples
, tmpl
->usage
, tmpl
->bind
, tmpl
->flags
);
335 pipe_reference_init(&prsc
->reference
, 1);
336 list_inithead(&rsc
->list
);
337 prsc
->screen
= pscreen
;
339 rsc
->bo
= etna_screen_bo_from_handle(pscreen
, handle
, &level
->stride
);
345 level
->width
= tmpl
->width0
;
346 level
->height
= tmpl
->height0
;
348 /* We will be using the RS to copy with this resource, so we must
349 * ensure that it is appropriately aligned for the RS requirements. */
350 unsigned paddingX
= ETNA_RS_WIDTH_MASK
+ 1;
351 unsigned paddingY
= (ETNA_RS_HEIGHT_MASK
+ 1) * screen
->specs
.pixel_pipes
;
353 level
->padded_width
= align(level
->width
, paddingX
);
354 level
->padded_height
= align(level
->height
, paddingY
);
356 /* The DDX must give us a BO which conforms to our padding size.
357 * The stride of the BO must be greater or equal to our padded
358 * stride. The size of the BO must accomodate the padded height. */
359 if (level
->stride
< util_format_get_stride(tmpl
->format
, level
->padded_width
)) {
360 BUG("BO stride is too small for RS engine width padding");
363 if (etna_bo_size(rsc
->bo
) < level
->stride
* level
->padded_height
) {
364 BUG("BO size is too small for RS engine height padding");
368 if (handle
->type
== DRM_API_HANDLE_TYPE_SHARED
&& tmpl
->bind
& PIPE_BIND_RENDER_TARGET
) {
369 /* Render targets are linear in Xorg but must be tiled
370 * here. It would be nice if dri_drawable_get_format()
371 * set scanout for these buffers too. */
372 struct etna_resource
*tiled
;
374 ptiled
= etna_resource_create(pscreen
, tmpl
);
378 tiled
= etna_resource(ptiled
);
379 tiled
->scanout
= renderonly_scanout_for_prime(prsc
, screen
->ro
);
389 etna_resource_destroy(pscreen
, prsc
);
391 etna_resource_destroy(pscreen
, ptiled
);
397 etna_resource_get_handle(struct pipe_screen
*pscreen
,
398 struct pipe_context
*pctx
,
399 struct pipe_resource
*prsc
,
400 struct winsys_handle
*handle
, unsigned usage
)
402 struct etna_resource
*rsc
= etna_resource(prsc
);
404 if (renderonly_get_handle(rsc
->scanout
, handle
))
407 return etna_screen_bo_get_handle(pscreen
, rsc
->bo
, rsc
->levels
[0].stride
,
412 etna_resource_used(struct etna_context
*ctx
, struct pipe_resource
*prsc
,
413 enum etna_resource_status status
)
415 struct etna_resource
*rsc
;
420 rsc
= etna_resource(prsc
);
421 rsc
->status
|= status
;
423 /* TODO resources can actually be shared across contexts,
424 * so I'm not sure a single list-head will do the trick? */
425 debug_assert((rsc
->pending_ctx
== ctx
) || !rsc
->pending_ctx
);
426 list_delinit(&rsc
->list
);
427 list_addtail(&rsc
->list
, &ctx
->used_resources
);
428 rsc
->pending_ctx
= ctx
;
432 etna_resource_wait(struct pipe_context
*pctx
, struct etna_resource
*rsc
)
434 if (rsc
->status
& ETNA_PENDING_WRITE
) {
435 struct pipe_fence_handle
*fence
;
436 struct pipe_screen
*pscreen
= pctx
->screen
;
438 pctx
->flush(pctx
, &fence
, 0);
440 if (!pscreen
->fence_finish(pscreen
, pctx
, fence
, 5000000000ULL))
441 BUG("fence timed out (hung GPU?)");
443 pscreen
->fence_reference(pscreen
, &fence
, NULL
);
448 etna_resource_screen_init(struct pipe_screen
*pscreen
)
450 pscreen
->can_create_resource
= etna_screen_can_create_resource
;
451 pscreen
->resource_create
= etna_resource_create
;
452 pscreen
->resource_from_handle
= etna_resource_from_handle
;
453 pscreen
->resource_get_handle
= etna_resource_get_handle
;
454 pscreen
->resource_changed
= etna_resource_changed
;
455 pscreen
->resource_destroy
= etna_resource_destroy
;