2 * Copyright (c) 2012-2017 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_rs.h"
29 #include "etnaviv_clear_blit.h"
30 #include "etnaviv_context.h"
31 #include "etnaviv_emit.h"
32 #include "etnaviv_format.h"
33 #include "etnaviv_resource.h"
34 #include "etnaviv_screen.h"
35 #include "etnaviv_surface.h"
36 #include "etnaviv_tiling.h"
37 #include "etnaviv_translate.h"
38 #include "etnaviv_util.h"
40 #include "pipe/p_defines.h"
41 #include "pipe/p_state.h"
42 #include "util/u_blitter.h"
43 #include "util/u_inlines.h"
44 #include "util/u_memory.h"
45 #include "util/u_surface.h"
47 #include "hw/common.xml.h"
48 #include "hw/state.xml.h"
49 #include "hw/state_3d.xml.h"
53 /* return a RS "compatible" format for use when copying */
55 etna_compatible_rs_format(enum pipe_format fmt
)
57 /* YUYV and UYVY are blocksize 4, but 2 bytes per pixel */
58 if (fmt
== PIPE_FORMAT_YUYV
|| fmt
== PIPE_FORMAT_UYVY
)
59 return RS_FORMAT_A4R4G4B4
;
61 switch (util_format_get_blocksize(fmt
)) {
62 case 2: return RS_FORMAT_A4R4G4B4
;
63 case 4: return RS_FORMAT_A8R8G8B8
;
64 default: return ETNA_NO_MATCH
;
69 etna_compile_rs_state(struct etna_context
*ctx
, struct compiled_rs_state
*cs
,
70 const struct rs_state
*rs
)
72 struct etna_screen
*screen
= ctx
->screen
;
74 memset(cs
, 0, sizeof(*cs
));
76 /* TILED and SUPERTILED layout have their strides multiplied with 4 in RS */
77 unsigned source_stride_shift
= COND(rs
->source_tiling
!= ETNA_LAYOUT_LINEAR
, 2);
78 unsigned dest_stride_shift
= COND(rs
->dest_tiling
!= ETNA_LAYOUT_LINEAR
, 2);
80 /* tiling == ETNA_LAYOUT_MULTI_TILED or ETNA_LAYOUT_MULTI_SUPERTILED? */
81 int source_multi
= COND(rs
->source_tiling
& ETNA_LAYOUT_BIT_MULTI
, 1);
82 int dest_multi
= COND(rs
->dest_tiling
& ETNA_LAYOUT_BIT_MULTI
, 1);
84 /* Vivante RS needs widths to be a multiple of 16 or bad things
85 * happen, such as scribbing over memory, or the GPU hanging,
86 * even for non-tiled formats. As this is serious, use abort().
88 if (rs
->width
& ETNA_RS_WIDTH_MASK
)
91 /* TODO could just pre-generate command buffer, would simply submit to one memcpy */
92 cs
->RS_CONFIG
= VIVS_RS_CONFIG_SOURCE_FORMAT(rs
->source_format
) |
93 COND(rs
->downsample_x
, VIVS_RS_CONFIG_DOWNSAMPLE_X
) |
94 COND(rs
->downsample_y
, VIVS_RS_CONFIG_DOWNSAMPLE_Y
) |
95 COND(rs
->source_tiling
& 1, VIVS_RS_CONFIG_SOURCE_TILED
) |
96 VIVS_RS_CONFIG_DEST_FORMAT(rs
->dest_format
) |
97 COND(rs
->dest_tiling
& 1, VIVS_RS_CONFIG_DEST_TILED
) |
98 COND(rs
->swap_rb
, VIVS_RS_CONFIG_SWAP_RB
) |
99 COND(rs
->flip
, VIVS_RS_CONFIG_FLIP
);
101 cs
->RS_SOURCE_STRIDE
= (rs
->source_stride
<< source_stride_shift
) |
102 COND(rs
->source_tiling
& 2, VIVS_RS_SOURCE_STRIDE_TILING
) |
103 COND(source_multi
, VIVS_RS_SOURCE_STRIDE_MULTI
);
105 /* Initially all pipes are set to the base address of the source and
106 * destination buffer respectively. This will be overridden below as
107 * necessary for the multi-pipe, multi-tiled case.
109 for (unsigned pipe
= 0; pipe
< screen
->specs
.pixel_pipes
; ++pipe
) {
110 cs
->source
[pipe
].bo
= rs
->source
;
111 cs
->source
[pipe
].offset
= rs
->source_offset
;
112 cs
->source
[pipe
].flags
= ETNA_RELOC_READ
;
114 cs
->dest
[pipe
].bo
= rs
->dest
;
115 cs
->dest
[pipe
].offset
= rs
->dest_offset
;
116 cs
->dest
[pipe
].flags
= ETNA_RELOC_WRITE
;
118 cs
->RS_PIPE_OFFSET
[pipe
] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(0);
121 cs
->RS_DEST_STRIDE
= (rs
->dest_stride
<< dest_stride_shift
) |
122 COND(rs
->dest_tiling
& 2, VIVS_RS_DEST_STRIDE_TILING
) |
123 COND(dest_multi
, VIVS_RS_DEST_STRIDE_MULTI
);
127 cs
->source
[1].offset
= rs
->source_offset
+ rs
->source_stride
* rs
->source_padded_height
/ 2;
130 cs
->dest
[1].offset
= rs
->dest_offset
+ rs
->dest_stride
* rs
->dest_padded_height
/ 2;
132 cs
->RS_WINDOW_SIZE
= VIVS_RS_WINDOW_SIZE_WIDTH(rs
->width
) |
133 VIVS_RS_WINDOW_SIZE_HEIGHT(rs
->height
);
135 /* use dual pipe mode when required */
136 if (!screen
->specs
.single_buffer
&& screen
->specs
.pixel_pipes
== 2 && !(rs
->height
& 7)) {
137 cs
->RS_WINDOW_SIZE
= VIVS_RS_WINDOW_SIZE_WIDTH(rs
->width
) |
138 VIVS_RS_WINDOW_SIZE_HEIGHT(rs
->height
/ 2);
139 cs
->RS_PIPE_OFFSET
[1] = VIVS_RS_PIPE_OFFSET_X(0) | VIVS_RS_PIPE_OFFSET_Y(rs
->height
/ 2);
142 cs
->RS_DITHER
[0] = rs
->dither
[0];
143 cs
->RS_DITHER
[1] = rs
->dither
[1];
144 cs
->RS_CLEAR_CONTROL
= VIVS_RS_CLEAR_CONTROL_BITS(rs
->clear_bits
) | rs
->clear_mode
;
145 cs
->RS_FILL_VALUE
[0] = rs
->clear_value
[0];
146 cs
->RS_FILL_VALUE
[1] = rs
->clear_value
[1];
147 cs
->RS_FILL_VALUE
[2] = rs
->clear_value
[2];
148 cs
->RS_FILL_VALUE
[3] = rs
->clear_value
[3];
149 cs
->RS_EXTRA_CONFIG
= VIVS_RS_EXTRA_CONFIG_AA(rs
->aa
) |
150 VIVS_RS_EXTRA_CONFIG_ENDIAN(rs
->endian_mode
);
152 /* If source the same as destination, and the hardware supports this,
153 * do an in-place resolve to fill in unrendered tiles.
155 if (screen
->specs
.single_buffer
&& rs
->source
== rs
->dest
&&
156 rs
->source_offset
== rs
->dest_offset
&&
157 rs
->source_format
== rs
->dest_format
&&
158 rs
->source_tiling
== rs
->dest_tiling
&&
159 (rs
->source_tiling
& ETNA_LAYOUT_BIT_SUPER
) &&
160 rs
->source_stride
== rs
->dest_stride
&&
161 !rs
->downsample_x
&& !rs
->downsample_y
&&
162 !rs
->swap_rb
&& !rs
->flip
&&
163 !rs
->clear_mode
&& rs
->source_padded_width
&&
164 !rs
->source_ts_compressed
) {
165 /* Total number of tiles (same as for autodisable) */
166 cs
->RS_KICKER_INPLACE
= rs
->tile_count
;
168 cs
->source_ts_valid
= rs
->source_ts_valid
;
171 /* modify the clear bits value in the compiled RS state */
173 etna_modify_rs_clearbits(struct compiled_rs_state
*cs
, uint32_t clear_bits
)
175 cs
->RS_CLEAR_CONTROL
&= ~VIVS_RS_CLEAR_CONTROL_BITS__MASK
;
176 cs
->RS_CLEAR_CONTROL
|= VIVS_RS_CLEAR_CONTROL_BITS(clear_bits
);
179 #define EMIT_STATE(state_name, src_value) \
180 etna_coalsence_emit(stream, &coalesce, VIVS_##state_name, src_value)
182 #define EMIT_STATE_FIXP(state_name, src_value) \
183 etna_coalsence_emit_fixp(stream, &coalesce, VIVS_##state_name, src_value)
185 #define EMIT_STATE_RELOC(state_name, src_value) \
186 etna_coalsence_emit_reloc(stream, &coalesce, VIVS_##state_name, src_value)
188 /* submit RS state, without any processing and no dependence on context
189 * except TS if this is a source-to-destination blit. */
191 etna_submit_rs_state(struct etna_context
*ctx
,
192 const struct compiled_rs_state
*cs
)
194 struct etna_screen
*screen
= etna_screen(ctx
->base
.screen
);
195 struct etna_cmd_stream
*stream
= ctx
->stream
;
196 struct etna_coalesce coalesce
;
198 if (cs
->RS_KICKER_INPLACE
&& !cs
->source_ts_valid
)
199 /* Inplace resolve is no-op if TS is not configured */
202 ctx
->stats
.rs_operations
++;
204 if (cs
->RS_KICKER_INPLACE
) {
205 etna_cmd_stream_reserve(stream
, 6);
206 etna_coalesce_start(stream
, &coalesce
);
207 /* 0/1 */ EMIT_STATE(RS_EXTRA_CONFIG
, cs
->RS_EXTRA_CONFIG
);
208 /* 2/3 */ EMIT_STATE(RS_SOURCE_STRIDE
, cs
->RS_SOURCE_STRIDE
);
209 /* 4/5 */ EMIT_STATE(RS_KICKER_INPLACE
, cs
->RS_KICKER_INPLACE
);
210 etna_coalesce_end(stream
, &coalesce
);
211 } else if (screen
->specs
.pixel_pipes
== 1) {
212 etna_cmd_stream_reserve(stream
, 22);
213 etna_coalesce_start(stream
, &coalesce
);
214 /* 0/1 */ EMIT_STATE(RS_CONFIG
, cs
->RS_CONFIG
);
215 /* 2 */ EMIT_STATE_RELOC(RS_SOURCE_ADDR
, &cs
->source
[0]);
216 /* 3 */ EMIT_STATE(RS_SOURCE_STRIDE
, cs
->RS_SOURCE_STRIDE
);
217 /* 4 */ EMIT_STATE_RELOC(RS_DEST_ADDR
, &cs
->dest
[0]);
218 /* 5 */ EMIT_STATE(RS_DEST_STRIDE
, cs
->RS_DEST_STRIDE
);
219 /* 6/7 */ EMIT_STATE(RS_WINDOW_SIZE
, cs
->RS_WINDOW_SIZE
);
220 /* 8/9 */ EMIT_STATE(RS_DITHER(0), cs
->RS_DITHER
[0]);
221 /*10 */ EMIT_STATE(RS_DITHER(1), cs
->RS_DITHER
[1]);
223 /*12/13*/ EMIT_STATE(RS_CLEAR_CONTROL
, cs
->RS_CLEAR_CONTROL
);
224 /*14 */ EMIT_STATE(RS_FILL_VALUE(0), cs
->RS_FILL_VALUE
[0]);
225 /*15 */ EMIT_STATE(RS_FILL_VALUE(1), cs
->RS_FILL_VALUE
[1]);
226 /*16 */ EMIT_STATE(RS_FILL_VALUE(2), cs
->RS_FILL_VALUE
[2]);
227 /*17 */ EMIT_STATE(RS_FILL_VALUE(3), cs
->RS_FILL_VALUE
[3]);
228 /*18/19*/ EMIT_STATE(RS_EXTRA_CONFIG
, cs
->RS_EXTRA_CONFIG
);
229 /*20/21*/ EMIT_STATE(RS_KICKER
, 0xbeebbeeb);
230 etna_coalesce_end(stream
, &coalesce
);
231 } else if (screen
->specs
.pixel_pipes
== 2) {
232 etna_cmd_stream_reserve(stream
, 34); /* worst case - both pipes multi=1 */
233 etna_coalesce_start(stream
, &coalesce
);
234 /* 0/1 */ EMIT_STATE(RS_CONFIG
, cs
->RS_CONFIG
);
235 /* 2/3 */ EMIT_STATE(RS_SOURCE_STRIDE
, cs
->RS_SOURCE_STRIDE
);
236 /* 4/5 */ EMIT_STATE(RS_DEST_STRIDE
, cs
->RS_DEST_STRIDE
);
237 /* 6/7 */ EMIT_STATE_RELOC(RS_PIPE_SOURCE_ADDR(0), &cs
->source
[0]);
238 if (cs
->RS_SOURCE_STRIDE
& VIVS_RS_SOURCE_STRIDE_MULTI
) {
239 /*8 */ EMIT_STATE_RELOC(RS_PIPE_SOURCE_ADDR(1), &cs
->source
[1]);
242 /*10/11*/ EMIT_STATE_RELOC(RS_PIPE_DEST_ADDR(0), &cs
->dest
[0]);
243 if (cs
->RS_DEST_STRIDE
& VIVS_RS_DEST_STRIDE_MULTI
) {
244 /*12*/ EMIT_STATE_RELOC(RS_PIPE_DEST_ADDR(1), &cs
->dest
[1]);
247 /*14/15*/ EMIT_STATE(RS_PIPE_OFFSET(0), cs
->RS_PIPE_OFFSET
[0]);
248 /*16 */ EMIT_STATE(RS_PIPE_OFFSET(1), cs
->RS_PIPE_OFFSET
[1]);
250 /*18/19*/ EMIT_STATE(RS_WINDOW_SIZE
, cs
->RS_WINDOW_SIZE
);
251 /*20/21*/ EMIT_STATE(RS_DITHER(0), cs
->RS_DITHER
[0]);
252 /*22 */ EMIT_STATE(RS_DITHER(1), cs
->RS_DITHER
[1]);
254 /*24/25*/ EMIT_STATE(RS_CLEAR_CONTROL
, cs
->RS_CLEAR_CONTROL
);
255 /*26 */ EMIT_STATE(RS_FILL_VALUE(0), cs
->RS_FILL_VALUE
[0]);
256 /*27 */ EMIT_STATE(RS_FILL_VALUE(1), cs
->RS_FILL_VALUE
[1]);
257 /*28 */ EMIT_STATE(RS_FILL_VALUE(2), cs
->RS_FILL_VALUE
[2]);
258 /*29 */ EMIT_STATE(RS_FILL_VALUE(3), cs
->RS_FILL_VALUE
[3]);
259 /*30/31*/ EMIT_STATE(RS_EXTRA_CONFIG
, cs
->RS_EXTRA_CONFIG
);
260 /*32/33*/ EMIT_STATE(RS_KICKER
, 0xbeebbeeb);
261 etna_coalesce_end(stream
, &coalesce
);
267 /* Generate clear command for a surface (non-fast clear case) */
269 etna_rs_gen_clear_surface(struct etna_context
*ctx
, struct etna_surface
*surf
,
270 uint64_t clear_value
)
272 ASSERTED
struct etna_screen
*screen
= ctx
->screen
;
273 struct etna_resource
*dst
= etna_resource(surf
->base
.texture
);
276 switch (util_format_get_blocksizebits(surf
->base
.format
)) {
278 format
= RS_FORMAT_A4R4G4B4
;
281 format
= RS_FORMAT_A8R8G8B8
;
284 assert(screen
->specs
.halti
>= 2);
285 format
= RS_FORMAT_64BPP_CLEAR
;
288 unreachable("bpp not supported for clear by RS");
292 /* use tiled clear if width is multiple of 16 */
293 bool tiled_clear
= (surf
->surf
.padded_width
& ETNA_RS_WIDTH_MASK
) == 0 &&
294 (surf
->surf
.padded_height
& ETNA_RS_HEIGHT_MASK
) == 0;
296 etna_compile_rs_state( ctx
, &surf
->clear_command
, &(struct rs_state
) {
297 .source_format
= format
,
298 .dest_format
= format
,
300 .dest_offset
= surf
->surf
.offset
,
301 .dest_stride
= surf
->surf
.stride
,
302 .dest_padded_height
= surf
->surf
.padded_height
,
303 .dest_tiling
= tiled_clear
? dst
->layout
: ETNA_LAYOUT_LINEAR
,
304 .dither
= {0xffffffff, 0xffffffff},
305 .width
= surf
->surf
.padded_width
, /* These must be padded to 16x4 if !LINEAR, otherwise RS will hang */
306 .height
= surf
->surf
.padded_height
,
307 .clear_value
= {clear_value
, clear_value
>> 32, clear_value
, clear_value
>> 32},
308 .clear_mode
= VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1
,
314 etna_blit_clear_color_rs(struct pipe_context
*pctx
, struct pipe_surface
*dst
,
315 const union pipe_color_union
*color
)
317 struct etna_context
*ctx
= etna_context(pctx
);
318 struct etna_surface
*surf
= etna_surface(dst
);
319 uint64_t new_clear_value
= etna_clear_blit_pack_rgba(surf
->base
.format
, color
);
321 if (surf
->surf
.ts_size
) { /* TS: use precompiled clear command */
322 ctx
->framebuffer
.TS_COLOR_CLEAR_VALUE
= new_clear_value
;
323 ctx
->framebuffer
.TS_COLOR_CLEAR_VALUE_EXT
= new_clear_value
>> 32;
325 if (VIV_FEATURE(ctx
->screen
, chipMinorFeatures1
, AUTO_DISABLE
)) {
326 /* Set number of color tiles to be filled */
327 etna_set_state(ctx
->stream
, VIVS_TS_COLOR_AUTO_DISABLE_COUNT
,
328 surf
->surf
.padded_width
* surf
->surf
.padded_height
/ 16);
329 ctx
->framebuffer
.TS_MEM_CONFIG
|= VIVS_TS_MEM_CONFIG_COLOR_AUTO_DISABLE
;
332 surf
->level
->ts_valid
= true;
333 ctx
->dirty
|= ETNA_DIRTY_TS
| ETNA_DIRTY_DERIVE_TS
;
334 } else if (unlikely(new_clear_value
!= surf
->level
->clear_value
)) { /* Queue normal RS clear for non-TS surfaces */
335 /* If clear color changed, re-generate stored command */
336 etna_rs_gen_clear_surface(ctx
, surf
, new_clear_value
);
339 etna_submit_rs_state(ctx
, &surf
->clear_command
);
341 surf
->level
->clear_value
= new_clear_value
;
342 resource_written(ctx
, surf
->base
.texture
);
343 etna_resource(surf
->base
.texture
)->seqno
++;
347 etna_blit_clear_zs_rs(struct pipe_context
*pctx
, struct pipe_surface
*dst
,
348 unsigned buffers
, double depth
, unsigned stencil
)
350 struct etna_context
*ctx
= etna_context(pctx
);
351 struct etna_surface
*surf
= etna_surface(dst
);
352 uint32_t new_clear_value
= translate_clear_depth_stencil(surf
->base
.format
, depth
, stencil
);
353 uint32_t new_clear_bits
= 0, clear_bits_depth
, clear_bits_stencil
;
355 /* Get the channels to clear */
356 switch (surf
->base
.format
) {
357 case PIPE_FORMAT_Z16_UNORM
:
358 clear_bits_depth
= 0xffff;
359 clear_bits_stencil
= 0;
361 case PIPE_FORMAT_X8Z24_UNORM
:
362 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
363 clear_bits_depth
= 0xeeee;
364 clear_bits_stencil
= 0x1111;
367 clear_bits_depth
= clear_bits_stencil
= 0xffff;
371 if (buffers
& PIPE_CLEAR_DEPTH
)
372 new_clear_bits
|= clear_bits_depth
;
373 if (buffers
& PIPE_CLEAR_STENCIL
)
374 new_clear_bits
|= clear_bits_stencil
;
375 /* FIXME: when tile status is enabled, this becomes more complex as
376 * we may separately clear the depth from the stencil. In this case,
377 * we want to resolve the surface, and avoid using the tile status.
378 * We may be better off recording the pending clear operation,
379 * delaying the actual clear to the first use. This way, we can merge
380 * consecutive clears together. */
381 if (surf
->surf
.ts_size
) { /* TS: use precompiled clear command */
382 /* Set new clear depth value */
383 ctx
->framebuffer
.TS_DEPTH_CLEAR_VALUE
= new_clear_value
;
384 if (VIV_FEATURE(ctx
->screen
, chipMinorFeatures1
, AUTO_DISABLE
)) {
385 /* Set number of depth tiles to be filled */
386 etna_set_state(ctx
->stream
, VIVS_TS_DEPTH_AUTO_DISABLE_COUNT
,
387 surf
->surf
.padded_width
* surf
->surf
.padded_height
/ 16);
388 ctx
->framebuffer
.TS_MEM_CONFIG
|= VIVS_TS_MEM_CONFIG_DEPTH_AUTO_DISABLE
;
391 surf
->level
->ts_valid
= true;
392 ctx
->dirty
|= ETNA_DIRTY_TS
| ETNA_DIRTY_DERIVE_TS
;
394 if (unlikely(new_clear_value
!= surf
->level
->clear_value
)) { /* Queue normal RS clear for non-TS surfaces */
395 /* If clear depth value changed, re-generate stored command */
396 etna_rs_gen_clear_surface(ctx
, surf
, new_clear_value
);
398 /* Update the channels to be cleared */
399 etna_modify_rs_clearbits(&surf
->clear_command
, new_clear_bits
);
402 etna_submit_rs_state(ctx
, &surf
->clear_command
);
404 surf
->level
->clear_value
= new_clear_value
;
405 resource_written(ctx
, surf
->base
.texture
);
406 etna_resource(surf
->base
.texture
)->seqno
++;
410 etna_clear_rs(struct pipe_context
*pctx
, unsigned buffers
, const struct pipe_scissor_state
*scissor_state
,
411 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
413 struct etna_context
*ctx
= etna_context(pctx
);
414 mtx_lock(&ctx
->lock
);
416 /* Flush color and depth cache before clearing anything.
417 * This is especially important when coming from another surface, as
418 * otherwise it may clear part of the old surface instead. */
419 etna_set_state(ctx
->stream
, VIVS_GL_FLUSH_CACHE
, VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_DEPTH
);
420 etna_stall(ctx
->stream
, SYNC_RECIPIENT_RA
, SYNC_RECIPIENT_PE
);
422 /* Preparation: Flush the TS if needed. This must be done after flushing
423 * color and depth, otherwise it can result in crashes */
424 bool need_ts_flush
= false;
425 if ((buffers
& PIPE_CLEAR_COLOR
) && ctx
->framebuffer_s
.nr_cbufs
) {
426 struct etna_surface
*surf
= etna_surface(ctx
->framebuffer_s
.cbufs
[0]);
427 if (surf
->surf
.ts_size
)
428 need_ts_flush
= true;
430 if ((buffers
& PIPE_CLEAR_DEPTHSTENCIL
) && ctx
->framebuffer_s
.zsbuf
!= NULL
) {
431 struct etna_surface
*surf
= etna_surface(ctx
->framebuffer_s
.zsbuf
);
433 if (surf
->surf
.ts_size
)
434 need_ts_flush
= true;
438 etna_set_state(ctx
->stream
, VIVS_TS_FLUSH_CACHE
, VIVS_TS_FLUSH_CACHE_FLUSH
);
440 /* No need to set up the TS here as RS clear operations (in contrast to
441 * resolve and copy) do not require the TS state.
443 if (buffers
& PIPE_CLEAR_COLOR
) {
444 for (int idx
= 0; idx
< ctx
->framebuffer_s
.nr_cbufs
; ++idx
) {
445 etna_blit_clear_color_rs(pctx
, ctx
->framebuffer_s
.cbufs
[idx
],
450 /* Flush the color and depth caches before each RS clear operation
451 * This fixes a hang on GC600. */
452 if (buffers
& PIPE_CLEAR_DEPTHSTENCIL
&& buffers
& PIPE_CLEAR_COLOR
)
453 etna_set_state(ctx
->stream
, VIVS_GL_FLUSH_CACHE
,
454 VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_DEPTH
);
456 if ((buffers
& PIPE_CLEAR_DEPTHSTENCIL
) && ctx
->framebuffer_s
.zsbuf
!= NULL
)
457 etna_blit_clear_zs_rs(pctx
, ctx
->framebuffer_s
.zsbuf
, buffers
, depth
, stencil
);
459 etna_stall(ctx
->stream
, SYNC_RECIPIENT_RA
, SYNC_RECIPIENT_PE
);
460 mtx_unlock(&ctx
->lock
);
464 etna_manual_blit(struct etna_resource
*dst
, struct etna_resource_level
*dst_lev
,
465 unsigned int dst_offset
, struct etna_resource
*src
,
466 struct etna_resource_level
*src_lev
, unsigned int src_offset
,
467 const struct pipe_blit_info
*blit_info
)
469 void *smap
, *srow
, *dmap
, *drow
;
472 assert(src
->layout
== ETNA_LAYOUT_TILED
);
473 assert(dst
->layout
== ETNA_LAYOUT_TILED
);
474 assert(src
->base
.nr_samples
== 0);
475 assert(dst
->base
.nr_samples
== 0);
477 tile_size
= util_format_get_blocksize(blit_info
->src
.format
) * 4 * 4;
479 smap
= etna_bo_map(src
->bo
);
483 dmap
= etna_bo_map(dst
->bo
);
487 srow
= smap
+ src_offset
;
488 drow
= dmap
+ dst_offset
;
490 etna_bo_cpu_prep(src
->bo
, DRM_ETNA_PREP_READ
);
491 etna_bo_cpu_prep(dst
->bo
, DRM_ETNA_PREP_WRITE
);
493 for (int y
= 0; y
< blit_info
->src
.box
.height
; y
+= 4) {
494 memcpy(drow
, srow
, tile_size
* blit_info
->src
.box
.width
);
495 srow
+= src_lev
->stride
* 4;
496 drow
+= dst_lev
->stride
* 4;
499 etna_bo_cpu_fini(dst
->bo
);
500 etna_bo_cpu_fini(src
->bo
);
506 etna_compute_tileoffset(const struct pipe_box
*box
, enum pipe_format format
,
507 size_t stride
, enum etna_surface_layout layout
)
510 unsigned int x
= box
->x
, y
= box
->y
;
511 unsigned int blocksize
= util_format_get_blocksize(format
);
514 case ETNA_LAYOUT_LINEAR
:
515 offset
= y
* stride
+ x
* blocksize
;
517 case ETNA_LAYOUT_MULTI_TILED
:
520 case ETNA_LAYOUT_TILED
:
521 assert(!(x
& 0x03) && !(y
& 0x03));
522 offset
= (y
& ~0x03) * stride
+ blocksize
* ((x
& ~0x03) << 2);
524 case ETNA_LAYOUT_MULTI_SUPERTILED
:
527 case ETNA_LAYOUT_SUPER_TILED
:
528 assert(!(x
& 0x3f) && !(y
& 0x3f));
529 offset
= (y
& ~0x3f) * stride
+ blocksize
* ((x
& ~0x3f) << 6);
532 unreachable("invalid resource layout");
539 etna_get_rs_alignment_mask(const struct etna_context
*ctx
,
540 const enum etna_surface_layout layout
,
541 unsigned int *width_mask
, unsigned int *height_mask
)
543 struct etna_screen
*screen
= ctx
->screen
;
544 unsigned int h_align
, w_align
;
546 if (layout
& ETNA_LAYOUT_BIT_SUPER
) {
548 h_align
= 64 * screen
->specs
.pixel_pipes
;
550 w_align
= ETNA_RS_WIDTH_MASK
+ 1;
551 h_align
= ETNA_RS_HEIGHT_MASK
+ 1;
554 *width_mask
= w_align
- 1;
555 *height_mask
= h_align
-1;
558 static bool msaa_config(const struct pipe_resource
*src
,
559 const struct pipe_resource
*dst
,
563 int src_xscale
= 1, src_yscale
= 1;
564 int dst_xscale
= 1, dst_yscale
= 1;
566 assert(src
->nr_samples
<= 4);
567 assert(dst
->nr_samples
<= 4);
569 translate_samples_to_xyscale(src
->nr_samples
, &src_xscale
, &src_yscale
);
570 translate_samples_to_xyscale(dst
->nr_samples
, &dst_xscale
, &dst_yscale
);
572 /* RS does not support upscaling */
573 if ((src_xscale
< dst_xscale
) || (src_yscale
< dst_yscale
))
576 *msaa_xscale
= src_xscale
- dst_xscale
+ 1;
577 *msaa_yscale
= src_yscale
- dst_yscale
+ 1;
583 etna_try_rs_blit(struct pipe_context
*pctx
,
584 const struct pipe_blit_info
*blit_info
)
586 struct etna_context
*ctx
= etna_context(pctx
);
587 struct etna_resource
*src
= etna_resource(blit_info
->src
.resource
);
588 struct etna_resource
*dst
= etna_resource(blit_info
->dst
.resource
);
589 struct compiled_rs_state copy_to_screen
;
590 int msaa_xscale
= 1, msaa_yscale
= 1;
592 /* Ensure that the level is valid */
593 assert(blit_info
->src
.level
<= src
->base
.last_level
);
594 assert(blit_info
->dst
.level
<= dst
->base
.last_level
);
596 if (!msaa_config(&src
->base
, &dst
->base
, &msaa_xscale
, &msaa_yscale
)) {
597 DBG("upsampling not supported");
601 /* The width/height are in pixels; they do not change as a result of
602 * multi-sampling. So, when blitting from a 4x multisampled surface
603 * to a non-multisampled surface, the width and height will be
604 * identical. As we do not support scaling, reject different sizes. */
605 if (blit_info
->dst
.box
.width
!= blit_info
->src
.box
.width
||
606 blit_info
->dst
.box
.height
!= blit_info
->src
.box
.height
) {
607 DBG("scaling requested: source %dx%d destination %dx%d",
608 blit_info
->src
.box
.width
, blit_info
->src
.box
.height
,
609 blit_info
->dst
.box
.width
, blit_info
->dst
.box
.height
);
613 /* No masks - RS can't copy specific channels */
614 unsigned mask
= util_format_get_mask(blit_info
->dst
.format
);
615 if ((blit_info
->mask
& mask
) != mask
) {
616 DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info
->mask
, mask
);
620 /* Only support same format (used tiling/detiling) blits for now.
621 * TODO: figure out which different-format blits are possible and test them
622 * - fail if swizzle needed
623 * - avoid trying to convert between float/int formats?
625 if (blit_info
->src
.format
!= blit_info
->dst
.format
)
628 uint32_t format
= etna_compatible_rs_format(blit_info
->dst
.format
);
629 if (format
== ETNA_NO_MATCH
)
632 if (blit_info
->scissor_enable
||
633 blit_info
->dst
.box
.depth
!= blit_info
->src
.box
.depth
||
634 blit_info
->dst
.box
.depth
!= 1) {
638 unsigned w_mask
, h_mask
;
640 etna_get_rs_alignment_mask(ctx
, src
->layout
, &w_mask
, &h_mask
);
641 if ((blit_info
->src
.box
.x
& w_mask
) || (blit_info
->src
.box
.y
& h_mask
))
644 etna_get_rs_alignment_mask(ctx
, dst
->layout
, &w_mask
, &h_mask
);
645 if ((blit_info
->dst
.box
.x
& w_mask
) || (blit_info
->dst
.box
.y
& h_mask
))
648 struct etna_resource_level
*src_lev
= &src
->levels
[blit_info
->src
.level
];
649 struct etna_resource_level
*dst_lev
= &dst
->levels
[blit_info
->dst
.level
];
651 /* we may be given coordinates up to the padded width to avoid
652 * any alignment issues with different tiling formats */
653 assert((blit_info
->src
.box
.x
+ blit_info
->src
.box
.width
) * msaa_xscale
<= src_lev
->padded_width
);
654 assert((blit_info
->src
.box
.y
+ blit_info
->src
.box
.height
) * msaa_yscale
<= src_lev
->padded_height
);
655 assert(blit_info
->dst
.box
.x
+ blit_info
->dst
.box
.width
<= dst_lev
->padded_width
);
656 assert(blit_info
->dst
.box
.y
+ blit_info
->dst
.box
.height
<= dst_lev
->padded_height
);
658 unsigned src_offset
= src_lev
->offset
+
659 blit_info
->src
.box
.z
* src_lev
->layer_stride
+
660 etna_compute_tileoffset(&blit_info
->src
.box
,
661 blit_info
->src
.format
,
664 unsigned dst_offset
= dst_lev
->offset
+
665 blit_info
->dst
.box
.z
* dst_lev
->layer_stride
+
666 etna_compute_tileoffset(&blit_info
->dst
.box
,
667 blit_info
->dst
.format
,
671 if (src_lev
->padded_width
<= ETNA_RS_WIDTH_MASK
||
672 dst_lev
->padded_width
<= ETNA_RS_WIDTH_MASK
||
673 src_lev
->padded_height
<= ETNA_RS_HEIGHT_MASK
||
674 dst_lev
->padded_height
<= ETNA_RS_HEIGHT_MASK
)
677 /* If the width is not aligned to the RS width, but is within our
678 * padding, adjust the width to suite the RS width restriction.
679 * Note: the RS width/height are converted to source samples here. */
680 unsigned int width
= blit_info
->src
.box
.width
* msaa_xscale
;
681 unsigned int height
= blit_info
->src
.box
.height
* msaa_yscale
;
682 unsigned int w_align
= ETNA_RS_WIDTH_MASK
+ 1;
683 unsigned int h_align
= ETNA_RS_HEIGHT_MASK
+ 1;
685 if (width
& (w_align
- 1) && width
>= src_lev
->width
* msaa_xscale
&& width
>= dst_lev
->width
)
686 width
= align(width
, w_align
);
688 if (height
& (h_align
- 1) && height
>= src_lev
->height
* msaa_yscale
&& height
>= dst_lev
->height
)
689 height
= align(height
, h_align
);
691 /* The padded dimensions are in samples */
692 if (width
> src_lev
->padded_width
||
693 width
> dst_lev
->padded_width
* msaa_xscale
||
694 height
> src_lev
->padded_height
||
695 height
> dst_lev
->padded_height
* msaa_yscale
||
696 width
& (w_align
- 1) || height
& (h_align
- 1))
699 mtx_lock(&ctx
->lock
);
701 /* Always flush color and depth cache together before resolving. This works
702 * around artifacts that appear in some cases when scanning out a texture
703 * directly after it has been rendered to, such as rendering an animated web
704 * page in a QtWebEngine based WebView on GC2000. The artifacts look like
705 * the texture sampler samples zeroes instead of texture data in a small,
706 * irregular triangle in the lower right of each browser tile quad. Other
707 * attempts to avoid these artifacts, including a pipeline stall before the
708 * color flush or a TS cache flush afterwards, or flushing multiple times,
709 * with stalls before and after each flush, have shown no effect. */
710 if (src
->base
.bind
& PIPE_BIND_RENDER_TARGET
||
711 src
->base
.bind
& PIPE_BIND_DEPTH_STENCIL
) {
712 etna_set_state(ctx
->stream
, VIVS_GL_FLUSH_CACHE
,
713 VIVS_GL_FLUSH_CACHE_COLOR
| VIVS_GL_FLUSH_CACHE_DEPTH
);
714 etna_stall(ctx
->stream
, SYNC_RECIPIENT_RA
, SYNC_RECIPIENT_PE
);
716 if (src_lev
->ts_size
&& src_lev
->ts_valid
)
717 etna_set_state(ctx
->stream
, VIVS_TS_FLUSH_CACHE
, VIVS_TS_FLUSH_CACHE_FLUSH
);
720 /* Set up color TS to source surface before blit, if needed */
721 bool source_ts_valid
= false;
722 if (src_lev
->ts_size
&& src_lev
->ts_valid
) {
723 struct etna_reloc reloc
;
725 src_lev
->ts_offset
+ blit_info
->src
.box
.z
* src_lev
->ts_layer_stride
;
726 uint32_t ts_mem_config
= 0;
728 if (src_lev
->ts_compress_fmt
>= 0) {
729 ts_mem_config
|= VIVS_TS_MEM_CONFIG_COLOR_COMPRESSION
|
730 VIVS_TS_MEM_CONFIG_COLOR_COMPRESSION_FORMAT(src_lev
->ts_compress_fmt
);
733 etna_set_state(ctx
->stream
, VIVS_TS_MEM_CONFIG
,
734 VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR
| ts_mem_config
);
736 memset(&reloc
, 0, sizeof(struct etna_reloc
));
737 reloc
.bo
= src
->ts_bo
;
738 reloc
.offset
= ts_offset
;
739 reloc
.flags
= ETNA_RELOC_READ
;
740 etna_set_state_reloc(ctx
->stream
, VIVS_TS_COLOR_STATUS_BASE
, &reloc
);
742 memset(&reloc
, 0, sizeof(struct etna_reloc
));
744 reloc
.offset
= src_lev
->offset
+
745 blit_info
->src
.box
.z
* src_lev
->layer_stride
;
746 reloc
.flags
= ETNA_RELOC_READ
;
747 etna_set_state_reloc(ctx
->stream
, VIVS_TS_COLOR_SURFACE_BASE
, &reloc
);
749 etna_set_state(ctx
->stream
, VIVS_TS_COLOR_CLEAR_VALUE
, src_lev
->clear_value
);
750 etna_set_state(ctx
->stream
, VIVS_TS_COLOR_CLEAR_VALUE_EXT
, src_lev
->clear_value
>> 32);
752 source_ts_valid
= true;
754 etna_set_state(ctx
->stream
, VIVS_TS_MEM_CONFIG
, 0);
756 ctx
->dirty
|= ETNA_DIRTY_TS
;
758 /* Kick off RS here */
759 etna_compile_rs_state(ctx
, ©_to_screen
, &(struct rs_state
) {
760 .source_format
= format
,
761 .source_tiling
= src
->layout
,
763 .source_offset
= src_offset
,
764 .source_stride
= src_lev
->stride
,
765 .source_padded_width
= src_lev
->padded_width
,
766 .source_padded_height
= src_lev
->padded_height
,
767 .source_ts_valid
= source_ts_valid
,
768 .source_ts_compressed
= src_lev
->ts_compress_fmt
>= 0,
769 .dest_format
= format
,
770 .dest_tiling
= dst
->layout
,
772 .dest_offset
= dst_offset
,
773 .dest_stride
= dst_lev
->stride
,
774 .dest_padded_height
= dst_lev
->padded_height
,
775 .downsample_x
= msaa_xscale
> 1,
776 .downsample_y
= msaa_yscale
> 1,
777 .swap_rb
= translate_rb_src_dst_swap(src
->base
.format
, dst
->base
.format
),
778 .dither
= {0xffffffff, 0xffffffff}, // XXX dither when going from 24 to 16 bit?
779 .clear_mode
= VIVS_RS_CLEAR_CONTROL_MODE_DISABLED
,
782 .tile_count
= src_lev
->layer_stride
/ 64
785 etna_submit_rs_state(ctx
, ©_to_screen
);
786 resource_read(ctx
, &src
->base
);
787 resource_written(ctx
, &dst
->base
);
789 dst_lev
->ts_valid
= false;
790 ctx
->dirty
|= ETNA_DIRTY_DERIVE_TS
;
791 mtx_unlock(&ctx
->lock
);
796 if (src
->layout
== ETNA_LAYOUT_TILED
&& dst
->layout
== ETNA_LAYOUT_TILED
) {
797 if ((src
->status
& ETNA_PENDING_WRITE
) ||
798 (dst
->status
& ETNA_PENDING_WRITE
))
799 pctx
->flush(pctx
, NULL
, 0);
800 return etna_manual_blit(dst
, dst_lev
, dst_offset
, src
, src_lev
, src_offset
, blit_info
);
807 etna_blit_rs(struct pipe_context
*pctx
, const struct pipe_blit_info
*blit_info
)
809 /* This is a more extended version of resource_copy_region */
810 /* TODO Some cases can be handled by RS; if not, fall back to rendering or
811 * even CPU copy block of pixels from info->src to info->dst
812 * (resource, level, box, format);
813 * function is used for scaling, flipping in x and y direction (negative
814 * width/height), format conversion, mask and filter and even a scissor rectangle
816 * What can the RS do for us:
817 * convert between tiling formats (layouts)
818 * downsample 2x in x and y
819 * convert between a limited number of pixel formats
821 * For the rest, fall back to util_blitter
822 * XXX this goes wrong when source surface is supertiled. */
824 if (blit_info
->src
.resource
->nr_samples
> 1 &&
825 blit_info
->dst
.resource
->nr_samples
<= 1 &&
826 !util_format_is_depth_or_stencil(blit_info
->src
.resource
->format
) &&
827 !util_format_is_pure_integer(blit_info
->src
.resource
->format
)) {
828 DBG("color resolve unimplemented");
832 return etna_try_rs_blit(pctx
, blit_info
);
836 etna_clear_blit_rs_init(struct pipe_context
*pctx
)
838 struct etna_context
*ctx
= etna_context(pctx
);
840 DBG("etnaviv: Using RS blit engine");
841 pctx
->clear
= etna_clear_rs
;
842 ctx
->blit
= etna_blit_rs
;