etnaviv_blt.c revision b8e80941
1/*
2 * Copyright (c) 2017 Etnaviv Project
3 * Copyright (C) 2017 Zodiac Inflight Innovations
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 *    Wladimir J. van der Laan <laanwj@gmail.com>
26 */
27#include "etnaviv_blt.h"
28
29#include "etnaviv_emit.h"
30#include "etnaviv_clear_blit.h"
31#include "etnaviv_context.h"
32#include "etnaviv_emit.h"
33#include "etnaviv_format.h"
34#include "etnaviv_resource.h"
35#include "etnaviv_surface.h"
36#include "etnaviv_translate.h"
37
38#include "util/u_math.h"
39#include "pipe/p_defines.h"
40#include "pipe/p_state.h"
41#include "util/u_blitter.h"
42#include "util/u_inlines.h"
43#include "util/u_memory.h"
44#include "util/u_surface.h"
45
46#include "hw/common_3d.xml.h"
47#include "hw/state_blt.xml.h"
48#include "hw/common.xml.h"
49
50#include <assert.h>
51
52/* Currently, used BLT formats overlap 100% with RS formats */
53#define translate_blt_format translate_rs_format
54
55static inline uint32_t
56blt_compute_stride_bits(const struct blt_imginfo *img)
57{
58   return VIVS_BLT_DEST_STRIDE_TILING(img->tiling == ETNA_LAYOUT_LINEAR ? 0 : 3) | /* 1/3? */
59          VIVS_BLT_DEST_STRIDE_FORMAT(img->format) |
60          VIVS_BLT_DEST_STRIDE_STRIDE(img->stride);
61}
62
63static inline uint32_t
64blt_compute_img_config_bits(const struct blt_imginfo *img, bool for_dest)
65{
66   uint32_t tiling_bits = 0;
67   if (img->tiling == ETNA_LAYOUT_SUPER_TILED) {
68      tiling_bits |= for_dest ? BLT_IMAGE_CONFIG_TO_SUPER_TILED : BLT_IMAGE_CONFIG_FROM_SUPER_TILED;
69   }
70
71   return BLT_IMAGE_CONFIG_CACHE_MODE(img->cache_mode) |
72          COND(img->use_ts, BLT_IMAGE_CONFIG_TS) |
73          COND(img->compressed, BLT_IMAGE_CONFIG_COMPRESSION) |
74          BLT_IMAGE_CONFIG_COMPRESSION_FORMAT(img->compress_fmt) |
75          COND(for_dest, BLT_IMAGE_CONFIG_UNK22) |
76          BLT_IMAGE_CONFIG_SWIZ_R(0) | /* not used? */
77          BLT_IMAGE_CONFIG_SWIZ_G(1) |
78          BLT_IMAGE_CONFIG_SWIZ_B(2) |
79          BLT_IMAGE_CONFIG_SWIZ_A(3) |
80          tiling_bits;
81}
82
83static inline uint32_t
84blt_compute_swizzle_bits(const struct blt_imginfo *img, bool for_dest)
85{
86   uint32_t swiz = VIVS_BLT_SWIZZLE_SRC_R(img->swizzle[0]) |
87                   VIVS_BLT_SWIZZLE_SRC_G(img->swizzle[1]) |
88                   VIVS_BLT_SWIZZLE_SRC_B(img->swizzle[2]) |
89                   VIVS_BLT_SWIZZLE_SRC_A(img->swizzle[3]);
90   return for_dest ? (swiz << 12) : swiz;
91}
92
93/* Clear (part of) an image */
94static void
95emit_blt_clearimage(struct etna_cmd_stream *stream, const struct blt_clear_op *op)
96{
97   etna_cmd_stream_reserve(stream, 64*2); /* Make sure BLT op doesn't get broken up */
98
99   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
100   assert(op->dest.bpp);
101   etna_set_state(stream, VIVS_BLT_CONFIG, VIVS_BLT_CONFIG_CLEAR_BPP(op->dest.bpp-1));
102   /* NB: blob sets format to 1 in dest/src config for clear, and the swizzle to RRRR.
103    * does this matter? It seems to just be ignored. But if we run into issues with BLT
104    * behaving stragely, it's something to look at.
105    */
106   etna_set_state(stream, VIVS_BLT_DEST_STRIDE, blt_compute_stride_bits(&op->dest));
107   etna_set_state(stream, VIVS_BLT_DEST_CONFIG, blt_compute_img_config_bits(&op->dest, true));
108   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->dest.addr);
109   etna_set_state(stream, VIVS_BLT_SRC_STRIDE, blt_compute_stride_bits(&op->dest));
110   etna_set_state(stream, VIVS_BLT_SRC_CONFIG, blt_compute_img_config_bits(&op->dest, false));
111   etna_set_state_reloc(stream, VIVS_BLT_SRC_ADDR, &op->dest.addr);
112   etna_set_state(stream, VIVS_BLT_DEST_POS, VIVS_BLT_DEST_POS_X(op->rect_x) | VIVS_BLT_DEST_POS_Y(op->rect_y));
113   etna_set_state(stream, VIVS_BLT_IMAGE_SIZE, VIVS_BLT_IMAGE_SIZE_WIDTH(op->rect_w) | VIVS_BLT_IMAGE_SIZE_HEIGHT(op->rect_h));
114   etna_set_state(stream, VIVS_BLT_CLEAR_COLOR0, op->clear_value[0]);
115   etna_set_state(stream, VIVS_BLT_CLEAR_COLOR1, op->clear_value[1]);
116   etna_set_state(stream, VIVS_BLT_CLEAR_BITS0, op->clear_bits[0]);
117   etna_set_state(stream, VIVS_BLT_CLEAR_BITS1, op->clear_bits[1]);
118   if (op->dest.use_ts) {
119      etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->dest.ts_addr);
120      etna_set_state_reloc(stream, VIVS_BLT_SRC_TS, &op->dest.ts_addr);
121      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
122      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
123      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
124      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
125   }
126   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
127   etna_set_state(stream, VIVS_BLT_COMMAND, VIVS_BLT_COMMAND_COMMAND_CLEAR_IMAGE);
128   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
129   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
130}
131
132/* Copy (a subset of) an image to another image. */
133static void
134emit_blt_copyimage(struct etna_cmd_stream *stream, const struct blt_imgcopy_op *op)
135{
136   etna_cmd_stream_reserve(stream, 64*2); /* Never allow BLT sequences to be broken up */
137
138   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
139   etna_set_state(stream, VIVS_BLT_CONFIG,
140           VIVS_BLT_CONFIG_SRC_ENDIAN(op->src.endian_mode) |
141           VIVS_BLT_CONFIG_DEST_ENDIAN(op->dest.endian_mode));
142   etna_set_state(stream, VIVS_BLT_SRC_STRIDE, blt_compute_stride_bits(&op->src));
143   etna_set_state(stream, VIVS_BLT_SRC_CONFIG, blt_compute_img_config_bits(&op->src, false));
144   etna_set_state(stream, VIVS_BLT_SWIZZLE,
145           blt_compute_swizzle_bits(&op->src, false) |
146           blt_compute_swizzle_bits(&op->dest, true));
147   etna_set_state(stream, VIVS_BLT_UNK140A0, 0x00040004);
148   etna_set_state(stream, VIVS_BLT_UNK1409C, 0x00400040);
149   if (op->src.use_ts) {
150      etna_set_state_reloc(stream, VIVS_BLT_SRC_TS, &op->src.ts_addr);
151      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE0, op->src.ts_clear_value[0]);
152      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE1, op->src.ts_clear_value[1]);
153   }
154   etna_set_state_reloc(stream, VIVS_BLT_SRC_ADDR, &op->src.addr);
155   etna_set_state(stream, VIVS_BLT_DEST_STRIDE, blt_compute_stride_bits(&op->dest));
156   etna_set_state(stream, VIVS_BLT_DEST_CONFIG,
157         blt_compute_img_config_bits(&op->dest, true) |
158         COND(op->flip_y, BLT_IMAGE_CONFIG_FLIP_Y));
159   assert(!op->dest.use_ts); /* Dest TS path doesn't work for copies? */
160   if (op->dest.use_ts) {
161      etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->dest.ts_addr);
162      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
163      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
164   }
165   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->dest.addr);
166   etna_set_state(stream, VIVS_BLT_SRC_POS, VIVS_BLT_DEST_POS_X(op->src_x) | VIVS_BLT_DEST_POS_Y(op->src_y));
167   etna_set_state(stream, VIVS_BLT_DEST_POS, VIVS_BLT_DEST_POS_X(op->dest_x) | VIVS_BLT_DEST_POS_Y(op->dest_y));
168   etna_set_state(stream, VIVS_BLT_IMAGE_SIZE, VIVS_BLT_IMAGE_SIZE_WIDTH(op->rect_w) | VIVS_BLT_IMAGE_SIZE_HEIGHT(op->rect_h));
169   etna_set_state(stream, VIVS_BLT_UNK14058, 0xffffffff);
170   etna_set_state(stream, VIVS_BLT_UNK1405C, 0xffffffff);
171   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
172   etna_set_state(stream, VIVS_BLT_COMMAND, VIVS_BLT_COMMAND_COMMAND_COPY_IMAGE);
173   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
174   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
175}
176
177/* Emit in-place resolve using BLT. */
178static void
179emit_blt_inplace(struct etna_cmd_stream *stream, const struct blt_inplace_op *op)
180{
181   assert(op->bpp > 0 && util_is_power_of_two_nonzero(op->bpp));
182   etna_cmd_stream_reserve(stream, 64*2); /* Never allow BLT sequences to be broken up */
183   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
184   etna_set_state(stream, VIVS_BLT_CONFIG,
185         VIVS_BLT_CONFIG_INPLACE_CACHE_MODE(op->cache_mode) |
186         VIVS_BLT_CONFIG_INPLACE_BOTH |
187         (util_logbase2(op->bpp) << VIVS_BLT_CONFIG_INPLACE_BPP__SHIFT));
188   etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->ts_clear_value[0]);
189   etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->ts_clear_value[1]);
190   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->addr);
191   etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->ts_addr);
192   etna_set_state(stream, 0x14068, op->num_tiles);
193   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
194   etna_set_state(stream, VIVS_BLT_COMMAND, 0x00000004);
195   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
196   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
197}
198
199static void
200etna_blit_clear_color_blt(struct pipe_context *pctx, struct pipe_surface *dst,
201                      const union pipe_color_union *color)
202{
203   struct etna_context *ctx = etna_context(pctx);
204   struct etna_surface *surf = etna_surface(dst);
205   uint32_t new_clear_value = etna_clear_blit_pack_rgba(surf->base.format, color->f);
206
207   struct etna_resource *res = etna_resource(surf->base.texture);
208   struct blt_clear_op clr = {};
209   clr.dest.addr.bo = res->bo;
210   clr.dest.addr.offset = surf->surf.offset;
211   clr.dest.addr.flags = ETNA_RELOC_WRITE;
212   clr.dest.bpp = util_format_get_blocksize(surf->base.format);
213   clr.dest.stride = surf->surf.stride;
214   /* TODO: color compression
215   clr.dest.compressed = 1;
216   clr.dest.compress_fmt = 3;
217   */
218   clr.dest.tiling = res->layout;
219   clr.dest.cache_mode = TS_CACHE_MODE_128; /* TODO: cache modes */
220
221   if (surf->surf.ts_size) {
222      clr.dest.use_ts = 1;
223      clr.dest.ts_addr.bo = res->ts_bo;
224      clr.dest.ts_addr.offset = 0;
225      clr.dest.ts_addr.flags = ETNA_RELOC_WRITE;
226      clr.dest.ts_clear_value[0] = new_clear_value;
227      clr.dest.ts_clear_value[1] = new_clear_value;
228   }
229
230   clr.clear_value[0] = new_clear_value;
231   clr.clear_value[1] = new_clear_value;
232   clr.clear_bits[0] = 0xffffffff; /* TODO: Might want to clear only specific channels? */
233   clr.clear_bits[1] = 0xffffffff;
234   clr.rect_x = 0; /* What about scissors? */
235   clr.rect_y = 0;
236   clr.rect_w = surf->surf.width;
237   clr.rect_h = surf->surf.height;
238
239   emit_blt_clearimage(ctx->stream, &clr);
240
241   /* This made the TS valid */
242   if (surf->surf.ts_size) {
243      ctx->framebuffer.TS_COLOR_CLEAR_VALUE = new_clear_value;
244      surf->level->ts_valid = true;
245   }
246
247   surf->level->clear_value = new_clear_value;
248   resource_written(ctx, surf->base.texture);
249   etna_resource(surf->base.texture)->seqno++;
250}
251
252static void
253etna_blit_clear_zs_blt(struct pipe_context *pctx, struct pipe_surface *dst,
254                   unsigned buffers, double depth, unsigned stencil)
255{
256   struct etna_context *ctx = etna_context(pctx);
257   struct etna_surface *surf = etna_surface(dst);
258   uint32_t new_clear_value = translate_clear_depth_stencil(surf->base.format, depth, stencil);
259   uint32_t new_clear_bits = 0, clear_bits_depth, clear_bits_stencil;
260
261   /* Get the channels to clear */
262   switch (surf->base.format) {
263   case PIPE_FORMAT_Z16_UNORM:
264      clear_bits_depth = 0xffffffff;
265      clear_bits_stencil = 0x00000000;
266      break;
267   case PIPE_FORMAT_X8Z24_UNORM:
268   case PIPE_FORMAT_S8_UINT_Z24_UNORM:
269      clear_bits_depth = 0xffffff00;
270      clear_bits_stencil = 0x000000ff;
271      break;
272   default:
273      clear_bits_depth = clear_bits_stencil = 0xffffffff;
274      break;
275   }
276
277   if (buffers & PIPE_CLEAR_DEPTH)
278      new_clear_bits |= clear_bits_depth;
279   if (buffers & PIPE_CLEAR_STENCIL)
280      new_clear_bits |= clear_bits_stencil;
281
282   /* TODO unduplicate this */
283   struct etna_resource *res = etna_resource(surf->base.texture);
284   struct blt_clear_op clr = {};
285   clr.dest.addr.bo = res->bo;
286   clr.dest.addr.offset = surf->surf.offset;
287   clr.dest.addr.flags = ETNA_RELOC_WRITE;
288   clr.dest.bpp = util_format_get_blocksize(surf->base.format);
289   clr.dest.stride = surf->surf.stride;
290#if 0 /* TODO depth compression */
291   clr.dest.compressed = 1;
292   clr.dest.compress_fmt = COLOR_COMPRESSION_FORMAT_D24S8;
293#endif
294   clr.dest.tiling = res->layout;
295   clr.dest.cache_mode = TS_CACHE_MODE_128; /* TODO: cache modes */
296
297   if (surf->surf.ts_size) {
298      clr.dest.use_ts = 1;
299      clr.dest.ts_addr.bo = res->ts_bo;
300      clr.dest.ts_addr.offset = 0;
301      clr.dest.ts_addr.flags = ETNA_RELOC_WRITE;
302      clr.dest.ts_clear_value[0] = new_clear_value;
303      clr.dest.ts_clear_value[1] = new_clear_value;
304   }
305
306   clr.clear_value[0] = new_clear_value;
307   clr.clear_value[1] = new_clear_value;
308   clr.clear_bits[0] = new_clear_bits;
309   clr.clear_bits[1] = new_clear_bits;
310   clr.rect_x = 0; /* What about scissors? */
311   clr.rect_y = 0;
312   clr.rect_w = surf->surf.width;
313   clr.rect_h = surf->surf.height;
314
315   emit_blt_clearimage(ctx->stream, &clr);
316
317   /* This made the TS valid */
318   if (surf->surf.ts_size) {
319      ctx->framebuffer.TS_DEPTH_CLEAR_VALUE = new_clear_value;
320      surf->level->ts_valid = true;
321   }
322
323   surf->level->clear_value = new_clear_value;
324   resource_written(ctx, surf->base.texture);
325   etna_resource(surf->base.texture)->seqno++;
326}
327
328static void
329etna_clear_blt(struct pipe_context *pctx, unsigned buffers,
330           const union pipe_color_union *color, double depth, unsigned stencil)
331{
332   struct etna_context *ctx = etna_context(pctx);
333
334   etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
335   etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH);
336
337   if (buffers & PIPE_CLEAR_COLOR) {
338      for (int idx = 0; idx < ctx->framebuffer_s.nr_cbufs; ++idx) {
339         etna_blit_clear_color_blt(pctx, ctx->framebuffer_s.cbufs[idx],
340                               &color[idx]);
341      }
342   }
343
344   if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL)
345      etna_blit_clear_zs_blt(pctx, ctx->framebuffer_s.zsbuf, buffers, depth, stencil);
346
347   etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_BLT);
348
349   if ((buffers & PIPE_CLEAR_COLOR) && (buffers & PIPE_CLEAR_DEPTH))
350      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
351   else
352      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000002);
353}
354
355
356static bool
357etna_try_blt_blit(struct pipe_context *pctx,
358                 const struct pipe_blit_info *blit_info)
359{
360   struct etna_context *ctx = etna_context(pctx);
361   struct etna_resource *src = etna_resource(blit_info->src.resource);
362   struct etna_resource *dst = etna_resource(blit_info->dst.resource);
363   int msaa_xscale = 1, msaa_yscale = 1;
364
365   /* Ensure that the level is valid */
366   assert(blit_info->src.level <= src->base.last_level);
367   assert(blit_info->dst.level <= dst->base.last_level);
368
369   if (!translate_samples_to_xyscale(src->base.nr_samples, &msaa_xscale, &msaa_yscale, NULL))
370      return FALSE;
371
372   /* The width/height are in pixels; they do not change as a result of
373    * multi-sampling. So, when blitting from a 4x multisampled surface
374    * to a non-multisampled surface, the width and height will be
375    * identical. As we do not support scaling, reject different sizes.
376    * TODO: could handle 2x downsample here with emit_blt_genmipmaps */
377   if (blit_info->dst.box.width != blit_info->src.box.width ||
378       blit_info->dst.box.height != abs(blit_info->src.box.height)) { /* allow y flip for glTexImage2D */
379      DBG("scaling requested: source %dx%d destination %dx%d",
380          blit_info->src.box.width, blit_info->src.box.height,
381          blit_info->dst.box.width, blit_info->dst.box.height);
382      return FALSE;
383   }
384
385   /* No masks - not sure if BLT can copy individual channels */
386   unsigned mask = util_format_get_mask(blit_info->dst.format);
387   if ((blit_info->mask & mask) != mask) {
388      DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info->mask, mask);
389      return FALSE;
390   }
391
392   /* TODO: 1 byte per pixel formats aren't handled by etna_compatible_rs_format nor
393    * translate_rs_format.
394    * Also this should be smarter about format conversions; etna_compatible_rs_format
395    * assumes all 2-byte pixel format are laid out as 4444, all 4-byte pixel formats
396    * are 8888.
397    */
398   unsigned src_format = etna_compatible_rs_format(blit_info->src.format);
399   unsigned dst_format = etna_compatible_rs_format(blit_info->dst.format);
400   if (translate_blt_format(src_format) == ETNA_NO_MATCH ||
401       translate_blt_format(dst_format) == ETNA_NO_MATCH ||
402       blit_info->scissor_enable ||
403       blit_info->dst.box.depth != blit_info->src.box.depth ||
404       blit_info->dst.box.depth != 1) {
405      return FALSE;
406   }
407
408   /* Ensure that the Z coordinate is sane */
409   assert(dst->base.target == PIPE_TEXTURE_CUBE || blit_info->dst.box.z == 0);
410   assert(src->base.target == PIPE_TEXTURE_CUBE || blit_info->src.box.z == 0);
411   assert(blit_info->src.box.z < src->base.array_size);
412   assert(blit_info->dst.box.z < dst->base.array_size);
413
414   struct etna_resource_level *src_lev = &src->levels[blit_info->src.level];
415   struct etna_resource_level *dst_lev = &dst->levels[blit_info->dst.level];
416
417   /* Kick off BLT here */
418   if (src == dst) {
419      /* Resolve-in-place */
420      assert(!memcmp(&blit_info->src, &blit_info->dst, sizeof(blit_info->src)));
421      if (!src_lev->ts_size || !src_lev->ts_valid) /* No TS, no worries */
422         return TRUE;
423      struct blt_inplace_op op = {};
424
425      op.addr.bo = src->bo;
426      op.addr.offset = src_lev->offset + blit_info->src.box.z * src_lev->layer_stride;
427      op.addr.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE;
428      op.ts_addr.bo = src->ts_bo;
429      op.ts_addr.offset = src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
430      op.ts_addr.flags = ETNA_RELOC_READ;
431      op.ts_clear_value[0] = src_lev->clear_value;
432      op.ts_clear_value[1] = src_lev->clear_value;
433      op.cache_mode = TS_CACHE_MODE_128; /* TODO: cache modes */
434      op.num_tiles = src_lev->size / 128; /* TODO: cache modes */
435      op.bpp = util_format_get_blocksize(src->base.format);
436
437      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
438      etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, 0x00000001);
439      emit_blt_inplace(ctx->stream, &op);
440   } else {
441      /* Copy op */
442      struct blt_imgcopy_op op = {};
443
444      op.src.addr.bo = src->bo;
445      op.src.addr.offset = src_lev->offset + blit_info->src.box.z * src_lev->layer_stride;
446      op.src.addr.flags = ETNA_RELOC_READ;
447      op.src.format = translate_blt_format(src_format);
448      op.src.stride = src_lev->stride;
449      op.src.tiling = src->layout;
450      op.src.cache_mode = TS_CACHE_MODE_128; /* TODO: cache modes */
451      const struct util_format_description *src_format_desc =
452         util_format_description(blit_info->src.format);
453      for (unsigned x=0; x<4; ++x)
454         op.src.swizzle[x] = src_format_desc->swizzle[x];
455
456      if (src_lev->ts_size && src_lev->ts_valid) {
457         op.src.use_ts = 1;
458         op.src.ts_addr.bo = src->ts_bo;
459         op.src.ts_addr.offset = src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
460         op.src.ts_addr.flags = ETNA_RELOC_READ;
461         op.src.ts_clear_value[0] = src_lev->clear_value;
462         op.src.ts_clear_value[1] = src_lev->clear_value;
463      }
464
465      op.dest.addr.bo = dst->bo;
466      op.dest.addr.offset = dst_lev->offset + blit_info->dst.box.z * dst_lev->layer_stride;
467      op.dest.addr.flags = ETNA_RELOC_WRITE;
468      op.dest.format = translate_blt_format(dst_format);
469      op.dest.stride = dst_lev->stride;
470      /* TODO color compression
471      op.dest.compressed = 1;
472      op.dest.compress_fmt = 3;
473      */
474      op.dest.tiling = dst->layout;
475      op.dest.cache_mode = TS_CACHE_MODE_128; /* TODO cache modes */
476      const struct util_format_description *dst_format_desc =
477         util_format_description(blit_info->dst.format);
478      for (unsigned x=0; x<4; ++x)
479         op.dest.swizzle[x] = dst_format_desc->swizzle[x];
480
481      op.dest_x = blit_info->dst.box.x;
482      op.dest_y = blit_info->dst.box.y;
483      op.src_x = blit_info->src.box.x;
484      op.src_y = blit_info->src.box.y;
485      op.rect_w = blit_info->dst.box.width;
486      op.rect_h = blit_info->dst.box.height;
487
488      if (blit_info->src.box.height < 0) { /* flipped? fix up base y */
489         op.flip_y = 1;
490         op.src_y += blit_info->src.box.height;
491      }
492
493      assert(op.src_x < src_lev->padded_width);
494      assert(op.src_y < src_lev->padded_height);
495      assert((op.src_x + op.rect_w) <= src_lev->padded_width);
496      assert((op.src_y + op.rect_h) <= src_lev->padded_height);
497      assert(op.dest_x < dst_lev->padded_width);
498      assert(op.dest_y < dst_lev->padded_height);
499      assert((op.dest_x + op.rect_w) <= dst_lev->padded_width);
500      assert((op.dest_y + op.rect_h) <= dst_lev->padded_height);
501
502      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
503      etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, 0x00000001);
504      emit_blt_copyimage(ctx->stream, &op);
505   }
506
507   /* Make FE wait for BLT, in case we want to do something with the image next.
508    * This probably shouldn't be here, and depend on what is done with the resource.
509    */
510   etna_stall(ctx->stream, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_BLT);
511   etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
512
513   resource_read(ctx, &src->base);
514   resource_written(ctx, &dst->base);
515
516   dst->seqno++;
517   dst_lev->ts_valid = false;
518
519   return TRUE;
520}
521
522static void
523etna_blit_blt(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
524{
525   struct etna_context *ctx = etna_context(pctx);
526   struct pipe_blit_info info = *blit_info;
527
528   if (info.src.resource->nr_samples > 1 &&
529       info.dst.resource->nr_samples <= 1 &&
530       !util_format_is_depth_or_stencil(info.src.resource->format) &&
531       !util_format_is_pure_integer(info.src.resource->format)) {
532      DBG("color resolve unimplemented");
533      return;
534   }
535
536   if (etna_try_blt_blit(pctx, blit_info))
537      return;
538
539   if (util_try_blit_via_copy_region(pctx, blit_info))
540      return;
541
542   if (info.mask & PIPE_MASK_S) {
543      DBG("cannot blit stencil, skipping");
544      info.mask &= ~PIPE_MASK_S;
545   }
546
547   if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
548      DBG("blit unsupported %s -> %s",
549          util_format_short_name(info.src.resource->format),
550          util_format_short_name(info.dst.resource->format));
551      return;
552   }
553
554   etna_blit_save_state(ctx);
555   util_blitter_blit(ctx->blitter, &info);
556}
557
558void
559etna_clear_blit_blt_init(struct pipe_context *pctx)
560{
561   DBG("etnaviv: Using BLT blit engine");
562   pctx->clear = etna_clear_blt;
563   pctx->blit = etna_blit_blt;
564}
565