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_state.h"
36 #include "etnaviv_translate.h"
37 #include "util/u_inlines.h"
38 #include "util/u_memory.h"
40 #include "drm-uapi/drm_fourcc.h"
43 etna_bind_sampler_states(struct pipe_context
*pctx
, enum pipe_shader_type shader
,
44 unsigned start_slot
, unsigned num_samplers
,
47 /* bind fragment sampler */
48 struct etna_context
*ctx
= etna_context(pctx
);
52 case PIPE_SHADER_FRAGMENT
:
54 ctx
->num_fragment_samplers
= num_samplers
;
56 case PIPE_SHADER_VERTEX
:
57 offset
= ctx
->specs
.vertex_sampler_offset
;
60 assert(!"Invalid shader");
64 uint32_t mask
= 1 << offset
;
65 for (int idx
= 0; idx
< num_samplers
; ++idx
, mask
<<= 1) {
66 ctx
->sampler
[offset
+ idx
] = samplers
[idx
];
68 ctx
->active_samplers
|= mask
;
70 ctx
->active_samplers
&= ~mask
;
73 ctx
->dirty
|= ETNA_DIRTY_SAMPLERS
;
77 etna_configure_sampler_ts(struct etna_sampler_ts
*sts
, struct pipe_sampler_view
*pview
, bool enable
)
82 struct etna_resource
*rsc
= etna_resource(pview
->texture
);
83 struct etna_resource_level
*lev
= &rsc
->levels
[0];
84 assert(rsc
->ts_bo
&& lev
->ts_valid
);
86 sts
->mode
= lev
->ts_mode
;
87 sts
->TS_SAMPLER_CONFIG
=
88 VIVS_TS_SAMPLER_CONFIG_ENABLE
|
89 VIVS_TS_SAMPLER_CONFIG_COMPRESSION_FORMAT(translate_ts_sampler_format(rsc
->base
.format
));
90 sts
->TS_SAMPLER_CLEAR_VALUE
= lev
->clear_value
;
91 sts
->TS_SAMPLER_CLEAR_VALUE2
= lev
->clear_value
; /* To handle 64-bit formats this needs a different value */
92 sts
->TS_SAMPLER_STATUS_BASE
.bo
= rsc
->ts_bo
;
93 sts
->TS_SAMPLER_STATUS_BASE
.offset
= lev
->ts_offset
;
94 sts
->TS_SAMPLER_STATUS_BASE
.flags
= ETNA_RELOC_READ
;
96 sts
->TS_SAMPLER_CONFIG
= 0;
97 sts
->TS_SAMPLER_STATUS_BASE
.bo
= NULL
;
99 /* n.b.: relies on caller to mark ETNA_DIRTY_SAMPLER_VIEWS */
102 /* Return true if the GPU can use sampler TS with this sampler view.
103 * Sampler TS is an optimization used when rendering to textures, where
104 * a resolve-in-place can be avoided when rendering has left a (valid) TS.
107 etna_can_use_sampler_ts(struct pipe_sampler_view
*view
, int num
)
109 /* Can use sampler TS when:
110 * - the hardware supports sampler TS.
111 * - the sampler view will be bound to sampler <VIVS_TS_SAMPLER__LEN.
112 * HALTI5 adds a mapping from sampler to sampler TS unit, but this is AFAIK
113 * absent on earlier models.
114 * - it is a texture, not a buffer.
115 * - the sampler view has a supported format for sampler TS.
116 * - the sampler will have one LOD, and it happens to be level 0.
117 * (it is not sure if the hw supports it for other levels, but available
118 * state strongly suggests only one at a time).
119 * - the resource TS is valid for level 0.
121 struct etna_resource
*rsc
= etna_resource(view
->texture
);
122 struct etna_screen
*screen
= etna_screen(rsc
->base
.screen
);
123 return VIV_FEATURE(screen
, chipMinorFeatures2
, TEXTURE_TILED_READ
) &&
124 num
< VIVS_TS_SAMPLER__LEN
&&
125 rsc
->base
.target
!= PIPE_BUFFER
&&
126 translate_ts_sampler_format(rsc
->base
.format
) != ETNA_NO_MATCH
&&
127 view
->u
.tex
.first_level
== 0 && MIN2(view
->u
.tex
.last_level
, rsc
->base
.last_level
) == 0 &&
128 rsc
->levels
[0].ts_valid
;
132 etna_update_sampler_source(struct pipe_sampler_view
*view
, int num
)
134 struct etna_resource
*base
= etna_resource(view
->texture
);
135 struct etna_resource
*to
= base
, *from
= base
;
136 struct etna_context
*ctx
= etna_context(view
->context
);
137 bool enable_sampler_ts
= false;
139 if (base
->external
&& etna_resource_newer(etna_resource(base
->external
), base
))
140 from
= etna_resource(base
->external
);
143 to
= etna_resource(base
->texture
);
145 if ((to
!= from
) && etna_resource_older(to
, from
)) {
146 etna_copy_resource(view
->context
, &to
->base
, &from
->base
, 0,
147 view
->texture
->last_level
);
148 to
->seqno
= from
->seqno
;
149 } else if ((to
== from
) && etna_resource_needs_flush(to
)) {
150 if (ctx
->ts_for_sampler_view
&& etna_can_use_sampler_ts(view
, num
)) {
151 enable_sampler_ts
= true;
152 /* Do not set flush_seqno because the resolve-to-self was bypassed */
154 /* Resolve TS if needed */
155 etna_copy_resource(view
->context
, &to
->base
, &from
->base
, 0,
156 view
->texture
->last_level
);
157 to
->flush_seqno
= from
->seqno
;
160 if (ctx
->ts_for_sampler_view
) {
161 etna_configure_sampler_ts(ctx
->ts_for_sampler_view(view
), view
, enable_sampler_ts
);
166 etna_resource_sampler_compatible(struct etna_resource
*res
)
168 if (util_format_is_compressed(res
->base
.format
))
171 struct etna_screen
*screen
= etna_screen(res
->base
.screen
);
172 /* This GPU supports texturing from supertiled textures? */
173 if (res
->layout
== ETNA_LAYOUT_SUPER_TILED
&& VIV_FEATURE(screen
, chipMinorFeatures2
, SUPERTILED_TEXTURE
))
176 /* This GPU supports texturing from linear textures? */
177 if (res
->layout
== ETNA_LAYOUT_LINEAR
&& VIV_FEATURE(screen
, chipMinorFeatures1
, LINEAR_TEXTURE_SUPPORT
))
180 /* Otherwise, only support tiled layouts */
181 if (res
->layout
!= ETNA_LAYOUT_TILED
)
184 /* If we have HALIGN support, we can allow for the RS padding */
185 if (VIV_FEATURE(screen
, chipMinorFeatures1
, TEXTURE_HALIGN
))
188 /* Non-HALIGN GPUs only accept 4x4 tile-aligned textures */
189 if (res
->halign
!= TEXTURE_HALIGN_FOUR
)
195 struct etna_resource
*
196 etna_texture_handle_incompatible(struct pipe_context
*pctx
, struct pipe_resource
*prsc
)
198 struct etna_resource
*res
= etna_resource(prsc
);
199 if (!etna_resource_sampler_compatible(res
)) {
200 /* The original resource is not compatible with the sampler.
201 * Allocate an appropriately tiled texture. */
203 struct pipe_resource templat
= *prsc
;
205 templat
.bind
&= ~(PIPE_BIND_DEPTH_STENCIL
| PIPE_BIND_RENDER_TARGET
|
206 PIPE_BIND_BLENDABLE
);
208 etna_resource_alloc(pctx
->screen
, ETNA_LAYOUT_TILED
,
209 ETNA_ADDRESSING_MODE_TILED
,
210 DRM_FORMAT_MOD_LINEAR
, &templat
);
216 res
= etna_resource(res
->texture
);
222 set_sampler_views(struct etna_context
*ctx
, unsigned start
, unsigned end
,
223 unsigned nr
, struct pipe_sampler_view
**views
)
226 uint32_t mask
= 1 << start
;
227 uint32_t prev_active_sampler_views
= ctx
->active_sampler_views
;
229 for (i
= start
, j
= 0; j
< nr
; i
++, j
++, mask
<<= 1) {
230 pipe_sampler_view_reference(&ctx
->sampler_view
[i
], views
[j
]);
232 ctx
->active_sampler_views
|= mask
;
233 ctx
->dirty_sampler_views
|= mask
;
235 ctx
->active_sampler_views
&= ~mask
;
238 for (; i
< end
; i
++, mask
<<= 1) {
239 pipe_sampler_view_reference(&ctx
->sampler_view
[i
], NULL
);
240 ctx
->active_sampler_views
&= ~mask
;
243 /* sampler views that changed state (even to inactive) are also dirty */
244 ctx
->dirty_sampler_views
|= ctx
->active_sampler_views
^ prev_active_sampler_views
;
248 etna_fragtex_set_sampler_views(struct etna_context
*ctx
, unsigned nr
,
249 struct pipe_sampler_view
**views
)
252 unsigned end
= start
+ ctx
->specs
.fragment_sampler_count
;
254 set_sampler_views(ctx
, start
, end
, nr
, views
);
255 ctx
->num_fragment_sampler_views
= nr
;
260 etna_vertex_set_sampler_views(struct etna_context
*ctx
, unsigned nr
,
261 struct pipe_sampler_view
**views
)
263 unsigned start
= ctx
->specs
.vertex_sampler_offset
;
264 unsigned end
= start
+ ctx
->specs
.vertex_sampler_count
;
266 set_sampler_views(ctx
, start
, end
, nr
, views
);
270 etna_set_sampler_views(struct pipe_context
*pctx
, enum pipe_shader_type shader
,
271 unsigned start_slot
, unsigned num_views
,
272 struct pipe_sampler_view
**views
)
274 struct etna_context
*ctx
= etna_context(pctx
);
275 assert(start_slot
== 0);
277 ctx
->dirty
|= ETNA_DIRTY_SAMPLER_VIEWS
| ETNA_DIRTY_TEXTURE_CACHES
;
279 for (unsigned idx
= 0; idx
< num_views
; ++idx
) {
281 etna_update_sampler_source(views
[idx
], idx
);
285 case PIPE_SHADER_FRAGMENT
:
286 etna_fragtex_set_sampler_views(ctx
, num_views
, views
);
288 case PIPE_SHADER_VERTEX
:
289 etna_vertex_set_sampler_views(ctx
, num_views
, views
);
296 etna_texture_barrier(struct pipe_context
*pctx
, unsigned flags
)
298 struct etna_context
*ctx
= etna_context(pctx
);
299 /* clear color and texture cache to make sure that texture unit reads
300 * what has been written */
301 etna_set_state(ctx
->stream
, VIVS_GL_FLUSH_CACHE
, VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_TEXTURE
);
305 active_samplers_bits(struct etna_context
*ctx
)
307 return ctx
->active_sampler_views
& ctx
->active_samplers
;
311 etna_texture_init(struct pipe_context
*pctx
)
313 pctx
->bind_sampler_states
= etna_bind_sampler_states
;
314 pctx
->set_sampler_views
= etna_set_sampler_views
;
315 pctx
->texture_barrier
= etna_texture_barrier
;
316 etna_texture_state_init(pctx
);