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_texture.h"
29 #include "hw/common.xml.h"
31 #include "etnaviv_clear_blit.h"
32 #include "etnaviv_context.h"
33 #include "etnaviv_emit.h"
34 #include "etnaviv_format.h"
35 #include "etnaviv_texture_desc.h"
36 #include "etnaviv_texture_state.h"
37 #include "etnaviv_translate.h"
38 #include "util/u_inlines.h"
39 #include "util/u_memory.h"
41 #include "drm-uapi/drm_fourcc.h"
44 etna_bind_sampler_states(struct pipe_context
*pctx
, enum pipe_shader_type shader
,
45 unsigned start_slot
, unsigned num_samplers
,
48 /* bind fragment sampler */
49 struct etna_context
*ctx
= etna_context(pctx
);
53 case PIPE_SHADER_FRAGMENT
:
55 ctx
->num_fragment_samplers
= num_samplers
;
57 case PIPE_SHADER_VERTEX
:
58 offset
= ctx
->specs
.vertex_sampler_offset
;
61 assert(!"Invalid shader");
65 uint32_t mask
= 1 << offset
;
66 for (int idx
= 0; idx
< num_samplers
; ++idx
, mask
<<= 1) {
67 ctx
->sampler
[offset
+ idx
] = samplers
[idx
];
69 ctx
->active_samplers
|= mask
;
71 ctx
->active_samplers
&= ~mask
;
74 ctx
->dirty
|= ETNA_DIRTY_SAMPLERS
;
78 etna_configure_sampler_ts(struct etna_sampler_ts
*sts
, struct pipe_sampler_view
*pview
, bool enable
)
80 bool dirty
= (sts
->enable
!= enable
);
86 sts
->TS_SAMPLER_CONFIG
= 0;
87 sts
->TS_SAMPLER_STATUS_BASE
.bo
= NULL
;
91 struct etna_resource
*rsc
= etna_resource(pview
->texture
);
92 struct etna_resource_level
*lev
= &rsc
->levels
[0];
94 if (lev
->clear_value
!= sts
->TS_SAMPLER_CLEAR_VALUE
)
97 assert(rsc
->ts_bo
&& lev
->ts_valid
);
99 sts
->mode
= lev
->ts_mode
;
100 sts
->TS_SAMPLER_CONFIG
=
101 VIVS_TS_SAMPLER_CONFIG_ENABLE
|
102 COND(lev
->ts_compress_fmt
>= 0, VIVS_TS_SAMPLER_CONFIG_COMPRESSION
) |
103 VIVS_TS_SAMPLER_CONFIG_COMPRESSION_FORMAT(lev
->ts_compress_fmt
);
104 sts
->TS_SAMPLER_CLEAR_VALUE
= lev
->clear_value
;
105 sts
->TS_SAMPLER_CLEAR_VALUE2
= lev
->clear_value
>> 32;
106 sts
->TS_SAMPLER_STATUS_BASE
.bo
= rsc
->ts_bo
;
107 sts
->TS_SAMPLER_STATUS_BASE
.offset
= lev
->ts_offset
;
108 sts
->TS_SAMPLER_STATUS_BASE
.flags
= ETNA_RELOC_READ
;
113 /* Return true if the GPU can use sampler TS with this sampler view.
114 * Sampler TS is an optimization used when rendering to textures, where
115 * a resolve-in-place can be avoided when rendering has left a (valid) TS.
118 etna_can_use_sampler_ts(struct pipe_sampler_view
*view
, int num
)
120 /* Can use sampler TS when:
121 * - the hardware supports sampler TS.
122 * - the sampler view will be bound to sampler <VIVS_TS_SAMPLER__LEN.
123 * HALTI5 adds a mapping from sampler to sampler TS unit, but this is AFAIK
124 * absent on earlier models.
125 * - it is a texture, not a buffer.
126 * - the sampler view has a supported format for sampler TS.
127 * - the sampler will have one LOD, and it happens to be level 0.
128 * (it is not sure if the hw supports it for other levels, but available
129 * state strongly suggests only one at a time).
130 * - the resource TS is valid for level 0.
132 struct etna_resource
*rsc
= etna_resource(view
->texture
);
133 struct etna_screen
*screen
= etna_screen(rsc
->base
.screen
);
135 return VIV_FEATURE(screen
, chipMinorFeatures2
, TEXTURE_TILED_READ
) &&
136 num
< VIVS_TS_SAMPLER__LEN
&&
137 rsc
->base
.target
!= PIPE_BUFFER
&&
138 (rsc
->levels
[0].ts_compress_fmt
< 0 || screen
->specs
.v4_compression
) &&
139 view
->u
.tex
.first_level
== 0 && MIN2(view
->u
.tex
.last_level
, rsc
->base
.last_level
) == 0 &&
140 rsc
->levels
[0].ts_valid
;
144 etna_update_sampler_source(struct pipe_sampler_view
*view
, int num
)
146 struct etna_resource
*base
= etna_resource(view
->texture
);
147 struct etna_resource
*to
= base
, *from
= base
;
148 struct etna_context
*ctx
= etna_context(view
->context
);
149 bool enable_sampler_ts
= false;
151 if (base
->render
&& etna_resource_newer(etna_resource(base
->render
), base
))
152 from
= etna_resource(base
->render
);
155 to
= etna_resource(base
->texture
);
157 if ((to
!= from
) && etna_resource_older(to
, from
)) {
158 etna_copy_resource(view
->context
, &to
->base
, &from
->base
, 0,
159 view
->texture
->last_level
);
160 to
->seqno
= from
->seqno
;
161 ctx
->dirty
|= ETNA_DIRTY_TEXTURE_CACHES
;
162 } else if ((to
== from
) && etna_resource_needs_flush(to
)) {
163 if (ctx
->ts_for_sampler_view
&& etna_can_use_sampler_ts(view
, num
)) {
164 enable_sampler_ts
= true;
165 /* Do not set flush_seqno because the resolve-to-self was bypassed */
167 /* Resolve TS if needed */
168 etna_copy_resource(view
->context
, &to
->base
, &from
->base
, 0,
169 view
->texture
->last_level
);
170 to
->flush_seqno
= from
->seqno
;
171 ctx
->dirty
|= ETNA_DIRTY_TEXTURE_CACHES
;
173 } else if ((to
== from
) && (to
->flush_seqno
< from
->seqno
)) {
174 to
->flush_seqno
= from
->seqno
;
175 ctx
->dirty
|= ETNA_DIRTY_TEXTURE_CACHES
;
177 if (ctx
->ts_for_sampler_view
&&
178 etna_configure_sampler_ts(ctx
->ts_for_sampler_view(view
), view
, enable_sampler_ts
)) {
179 ctx
->dirty
|= ETNA_DIRTY_SAMPLER_VIEWS
| ETNA_DIRTY_TEXTURE_CACHES
;
180 ctx
->dirty_sampler_views
|= (1 << num
);
185 etna_resource_sampler_compatible(struct etna_resource
*res
)
187 if (util_format_is_compressed(res
->base
.format
))
190 struct etna_screen
*screen
= etna_screen(res
->base
.screen
);
191 /* This GPU supports texturing from supertiled textures? */
192 if (res
->layout
== ETNA_LAYOUT_SUPER_TILED
&& VIV_FEATURE(screen
, chipMinorFeatures2
, SUPERTILED_TEXTURE
))
195 /* This GPU supports texturing from linear textures? */
196 if (res
->layout
== ETNA_LAYOUT_LINEAR
&& VIV_FEATURE(screen
, chipMinorFeatures1
, LINEAR_TEXTURE_SUPPORT
))
199 /* Otherwise, only support tiled layouts */
200 if (res
->layout
!= ETNA_LAYOUT_TILED
)
203 /* If we have HALIGN support, we can allow for the RS padding */
204 if (VIV_FEATURE(screen
, chipMinorFeatures1
, TEXTURE_HALIGN
))
207 /* Non-HALIGN GPUs only accept 4x4 tile-aligned textures */
208 if (res
->halign
!= TEXTURE_HALIGN_FOUR
)
214 struct etna_resource
*
215 etna_texture_handle_incompatible(struct pipe_context
*pctx
, struct pipe_resource
*prsc
)
217 struct etna_resource
*res
= etna_resource(prsc
);
218 if (!etna_resource_sampler_compatible(res
)) {
219 /* The original resource is not compatible with the sampler.
220 * Allocate an appropriately tiled texture. */
222 struct pipe_resource templat
= *prsc
;
224 templat
.bind
&= ~(PIPE_BIND_DEPTH_STENCIL
| PIPE_BIND_RENDER_TARGET
|
225 PIPE_BIND_BLENDABLE
);
227 etna_resource_alloc(pctx
->screen
, ETNA_LAYOUT_TILED
,
228 DRM_FORMAT_MOD_LINEAR
, &templat
);
234 res
= etna_resource(res
->texture
);
240 set_sampler_views(struct etna_context
*ctx
, unsigned start
, unsigned end
,
241 unsigned nr
, struct pipe_sampler_view
**views
)
244 uint32_t mask
= 1 << start
;
245 uint32_t prev_active_sampler_views
= ctx
->active_sampler_views
;
247 for (i
= start
, j
= 0; j
< nr
; i
++, j
++, mask
<<= 1) {
248 pipe_sampler_view_reference(&ctx
->sampler_view
[i
], views
[j
]);
250 ctx
->active_sampler_views
|= mask
;
251 ctx
->dirty_sampler_views
|= mask
;
253 ctx
->active_sampler_views
&= ~mask
;
256 for (; i
< end
; i
++, mask
<<= 1) {
257 pipe_sampler_view_reference(&ctx
->sampler_view
[i
], NULL
);
258 ctx
->active_sampler_views
&= ~mask
;
261 /* sampler views that changed state (even to inactive) are also dirty */
262 ctx
->dirty_sampler_views
|= ctx
->active_sampler_views
^ prev_active_sampler_views
;
266 etna_fragtex_set_sampler_views(struct etna_context
*ctx
, unsigned nr
,
267 struct pipe_sampler_view
**views
)
270 unsigned end
= start
+ ctx
->specs
.fragment_sampler_count
;
272 set_sampler_views(ctx
, start
, end
, nr
, views
);
273 ctx
->num_fragment_sampler_views
= nr
;
278 etna_vertex_set_sampler_views(struct etna_context
*ctx
, unsigned nr
,
279 struct pipe_sampler_view
**views
)
281 unsigned start
= ctx
->specs
.vertex_sampler_offset
;
282 unsigned end
= start
+ ctx
->specs
.vertex_sampler_count
;
284 set_sampler_views(ctx
, start
, end
, nr
, views
);
288 etna_set_sampler_views(struct pipe_context
*pctx
, enum pipe_shader_type shader
,
289 unsigned start_slot
, unsigned num_views
,
290 struct pipe_sampler_view
**views
)
292 struct etna_context
*ctx
= etna_context(pctx
);
293 assert(start_slot
== 0);
295 ctx
->dirty
|= ETNA_DIRTY_SAMPLER_VIEWS
| ETNA_DIRTY_TEXTURE_CACHES
;
298 case PIPE_SHADER_FRAGMENT
:
299 etna_fragtex_set_sampler_views(ctx
, num_views
, views
);
301 case PIPE_SHADER_VERTEX
:
302 etna_vertex_set_sampler_views(ctx
, num_views
, views
);
309 etna_texture_barrier(struct pipe_context
*pctx
, unsigned flags
)
311 struct etna_context
*ctx
= etna_context(pctx
);
312 /* clear color and texture cache to make sure that texture unit reads
313 * what has been written */
314 mtx_lock(&ctx
->lock
);
315 etna_set_state(ctx
->stream
, VIVS_GL_FLUSH_CACHE
, VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_TEXTURE
);
316 mtx_unlock(&ctx
->lock
);
320 active_samplers_bits(struct etna_context
*ctx
)
322 return ctx
->active_sampler_views
& ctx
->active_samplers
;
326 etna_texture_init(struct pipe_context
*pctx
)
328 struct etna_context
*ctx
= etna_context(pctx
);
330 pctx
->bind_sampler_states
= etna_bind_sampler_states
;
331 pctx
->set_sampler_views
= etna_set_sampler_views
;
332 pctx
->texture_barrier
= etna_texture_barrier
;
334 if (ctx
->specs
.halti
>= 5)
335 etna_texture_desc_init(pctx
);
337 etna_texture_state_init(pctx
);