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
52static uint32_t
53etna_compatible_blt_format(enum pipe_format fmt)
54{
55   /* YUYV and UYVY are blocksize 4, but 2 bytes per pixel */
56   if (fmt == PIPE_FORMAT_YUYV || fmt == PIPE_FORMAT_UYVY)
57      return BLT_FORMAT_R8G8;
58
59   switch (util_format_get_blocksize(fmt)) {
60   case 1: return BLT_FORMAT_R8;
61   case 2: return BLT_FORMAT_R8G8;
62   case 4: return BLT_FORMAT_A8R8G8B8;
63   case 8: return BLT_FORMAT_A16R16G16B16;
64   default: return ETNA_NO_MATCH;
65   }
66}
67
68static inline uint32_t
69blt_compute_stride_bits(const struct blt_imginfo *img)
70{
71   return VIVS_BLT_DEST_STRIDE_TILING(img->tiling == ETNA_LAYOUT_LINEAR ? 0 : 3) | /* 1/3? */
72          VIVS_BLT_DEST_STRIDE_FORMAT(img->format) |
73          VIVS_BLT_DEST_STRIDE_STRIDE(img->stride);
74}
75
76static inline uint32_t
77blt_compute_img_config_bits(const struct blt_imginfo *img, bool for_dest)
78{
79   uint32_t tiling_bits = 0;
80   if (img->tiling == ETNA_LAYOUT_SUPER_TILED) {
81      tiling_bits |= for_dest ? BLT_IMAGE_CONFIG_TO_SUPER_TILED : BLT_IMAGE_CONFIG_FROM_SUPER_TILED;
82   }
83
84   return BLT_IMAGE_CONFIG_TS_MODE(img->ts_mode) |
85          COND(img->use_ts, BLT_IMAGE_CONFIG_TS) |
86          COND(img->use_ts && img->ts_compress_fmt >= 0, BLT_IMAGE_CONFIG_COMPRESSION) |
87          BLT_IMAGE_CONFIG_COMPRESSION_FORMAT(img->ts_compress_fmt) |
88          COND(for_dest, BLT_IMAGE_CONFIG_UNK22) |
89          BLT_IMAGE_CONFIG_SWIZ_R(0) | /* not used? */
90          BLT_IMAGE_CONFIG_SWIZ_G(1) |
91          BLT_IMAGE_CONFIG_SWIZ_B(2) |
92          BLT_IMAGE_CONFIG_SWIZ_A(3) |
93          tiling_bits;
94}
95
96static inline uint32_t
97blt_compute_swizzle_bits(const struct blt_imginfo *img, bool for_dest)
98{
99   uint32_t swiz = VIVS_BLT_SWIZZLE_SRC_R(img->swizzle[0]) |
100                   VIVS_BLT_SWIZZLE_SRC_G(img->swizzle[1]) |
101                   VIVS_BLT_SWIZZLE_SRC_B(img->swizzle[2]) |
102                   VIVS_BLT_SWIZZLE_SRC_A(img->swizzle[3]);
103   return for_dest ? (swiz << 12) : swiz;
104}
105
106/* Clear (part of) an image */
107static void
108emit_blt_clearimage(struct etna_cmd_stream *stream, const struct blt_clear_op *op)
109{
110   etna_cmd_stream_reserve(stream, 64*2); /* Make sure BLT op doesn't get broken up */
111
112   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
113   assert(op->dest.bpp);
114   etna_set_state(stream, VIVS_BLT_CONFIG, VIVS_BLT_CONFIG_CLEAR_BPP(op->dest.bpp-1));
115   /* NB: blob sets format to 1 in dest/src config for clear, and the swizzle to RRRR.
116    * does this matter? It seems to just be ignored. But if we run into issues with BLT
117    * behaving stragely, it's something to look at.
118    */
119   etna_set_state(stream, VIVS_BLT_DEST_STRIDE, blt_compute_stride_bits(&op->dest));
120   etna_set_state(stream, VIVS_BLT_DEST_CONFIG, blt_compute_img_config_bits(&op->dest, true));
121   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->dest.addr);
122   etna_set_state(stream, VIVS_BLT_SRC_STRIDE, blt_compute_stride_bits(&op->dest));
123   etna_set_state(stream, VIVS_BLT_SRC_CONFIG, blt_compute_img_config_bits(&op->dest, false));
124   etna_set_state_reloc(stream, VIVS_BLT_SRC_ADDR, &op->dest.addr);
125   etna_set_state(stream, VIVS_BLT_DEST_POS, VIVS_BLT_DEST_POS_X(op->rect_x) | VIVS_BLT_DEST_POS_Y(op->rect_y));
126   etna_set_state(stream, VIVS_BLT_IMAGE_SIZE, VIVS_BLT_IMAGE_SIZE_WIDTH(op->rect_w) | VIVS_BLT_IMAGE_SIZE_HEIGHT(op->rect_h));
127   etna_set_state(stream, VIVS_BLT_CLEAR_COLOR0, op->clear_value[0]);
128   etna_set_state(stream, VIVS_BLT_CLEAR_COLOR1, op->clear_value[1]);
129   etna_set_state(stream, VIVS_BLT_CLEAR_BITS0, op->clear_bits[0]);
130   etna_set_state(stream, VIVS_BLT_CLEAR_BITS1, op->clear_bits[1]);
131   if (op->dest.use_ts) {
132      etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->dest.ts_addr);
133      etna_set_state_reloc(stream, VIVS_BLT_SRC_TS, &op->dest.ts_addr);
134      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
135      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
136      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
137      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
138   }
139   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
140   etna_set_state(stream, VIVS_BLT_COMMAND, VIVS_BLT_COMMAND_COMMAND_CLEAR_IMAGE);
141   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
142   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
143}
144
145/* Copy (a subset of) an image to another image. */
146static void
147emit_blt_copyimage(struct etna_cmd_stream *stream, const struct blt_imgcopy_op *op)
148{
149   etna_cmd_stream_reserve(stream, 64*2); /* Never allow BLT sequences to be broken up */
150
151   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
152   etna_set_state(stream, VIVS_BLT_CONFIG,
153           VIVS_BLT_CONFIG_SRC_ENDIAN(op->src.endian_mode) |
154           VIVS_BLT_CONFIG_DEST_ENDIAN(op->dest.endian_mode));
155   etna_set_state(stream, VIVS_BLT_SRC_STRIDE, blt_compute_stride_bits(&op->src));
156   etna_set_state(stream, VIVS_BLT_SRC_CONFIG, blt_compute_img_config_bits(&op->src, false));
157   etna_set_state(stream, VIVS_BLT_SWIZZLE,
158           blt_compute_swizzle_bits(&op->src, false) |
159           blt_compute_swizzle_bits(&op->dest, true));
160   etna_set_state(stream, VIVS_BLT_UNK140A0, 0x00040004);
161   etna_set_state(stream, VIVS_BLT_UNK1409C, 0x00400040);
162   if (op->src.use_ts) {
163      etna_set_state_reloc(stream, VIVS_BLT_SRC_TS, &op->src.ts_addr);
164      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE0, op->src.ts_clear_value[0]);
165      etna_set_state(stream, VIVS_BLT_SRC_TS_CLEAR_VALUE1, op->src.ts_clear_value[1]);
166   }
167   etna_set_state_reloc(stream, VIVS_BLT_SRC_ADDR, &op->src.addr);
168   etna_set_state(stream, VIVS_BLT_DEST_STRIDE, blt_compute_stride_bits(&op->dest));
169   etna_set_state(stream, VIVS_BLT_DEST_CONFIG,
170         blt_compute_img_config_bits(&op->dest, true) |
171         COND(op->flip_y, BLT_IMAGE_CONFIG_FLIP_Y));
172   assert(!op->dest.use_ts); /* Dest TS path doesn't work for copies? */
173   if (op->dest.use_ts) {
174      etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->dest.ts_addr);
175      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->dest.ts_clear_value[0]);
176      etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->dest.ts_clear_value[1]);
177   }
178   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->dest.addr);
179   etna_set_state(stream, VIVS_BLT_SRC_POS, VIVS_BLT_DEST_POS_X(op->src_x) | VIVS_BLT_DEST_POS_Y(op->src_y));
180   etna_set_state(stream, VIVS_BLT_DEST_POS, VIVS_BLT_DEST_POS_X(op->dest_x) | VIVS_BLT_DEST_POS_Y(op->dest_y));
181   etna_set_state(stream, VIVS_BLT_IMAGE_SIZE, VIVS_BLT_IMAGE_SIZE_WIDTH(op->rect_w) | VIVS_BLT_IMAGE_SIZE_HEIGHT(op->rect_h));
182   etna_set_state(stream, VIVS_BLT_UNK14058, 0xffffffff);
183   etna_set_state(stream, VIVS_BLT_UNK1405C, 0xffffffff);
184   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
185   etna_set_state(stream, VIVS_BLT_COMMAND, VIVS_BLT_COMMAND_COMMAND_COPY_IMAGE);
186   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
187   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
188}
189
190/* Emit in-place resolve using BLT. */
191static void
192emit_blt_inplace(struct etna_cmd_stream *stream, const struct blt_inplace_op *op)
193{
194   assert(op->bpp > 0 && util_is_power_of_two_nonzero(op->bpp));
195   etna_cmd_stream_reserve(stream, 64*2); /* Never allow BLT sequences to be broken up */
196   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000001);
197   etna_set_state(stream, VIVS_BLT_CONFIG,
198         VIVS_BLT_CONFIG_INPLACE_TS_MODE(op->ts_mode) |
199         VIVS_BLT_CONFIG_INPLACE_BOTH |
200         (util_logbase2(op->bpp) << VIVS_BLT_CONFIG_INPLACE_BPP__SHIFT));
201   etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE0, op->ts_clear_value[0]);
202   etna_set_state(stream, VIVS_BLT_DEST_TS_CLEAR_VALUE1, op->ts_clear_value[1]);
203   etna_set_state_reloc(stream, VIVS_BLT_DEST_ADDR, &op->addr);
204   etna_set_state_reloc(stream, VIVS_BLT_DEST_TS, &op->ts_addr);
205   etna_set_state(stream, 0x14068, op->num_tiles);
206   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
207   etna_set_state(stream, VIVS_BLT_COMMAND, 0x00000004);
208   etna_set_state(stream, VIVS_BLT_SET_COMMAND, 0x00000003);
209   etna_set_state(stream, VIVS_BLT_ENABLE, 0x00000000);
210}
211
212static void
213etna_blit_clear_color_blt(struct pipe_context *pctx, struct pipe_surface *dst,
214                      const union pipe_color_union *color)
215{
216   struct etna_context *ctx = etna_context(pctx);
217   struct etna_surface *surf = etna_surface(dst);
218   uint64_t new_clear_value = etna_clear_blit_pack_rgba(surf->base.format, color);
219
220   struct etna_resource *res = etna_resource(surf->base.texture);
221   struct blt_clear_op clr = {};
222   clr.dest.addr.bo = res->bo;
223   clr.dest.addr.offset = surf->surf.offset;
224   clr.dest.addr.flags = ETNA_RELOC_WRITE;
225   clr.dest.bpp = util_format_get_blocksize(surf->base.format);
226   clr.dest.stride = surf->surf.stride;
227   clr.dest.tiling = res->layout;
228
229   if (surf->surf.ts_size) {
230      clr.dest.use_ts = 1;
231      clr.dest.ts_addr.bo = res->ts_bo;
232      clr.dest.ts_addr.offset = surf->level->ts_offset;
233      clr.dest.ts_addr.flags = ETNA_RELOC_WRITE;
234      clr.dest.ts_clear_value[0] = new_clear_value;
235      clr.dest.ts_clear_value[1] = new_clear_value >> 32;
236      clr.dest.ts_mode = surf->level->ts_mode;
237      clr.dest.ts_compress_fmt = surf->level->ts_compress_fmt;
238   }
239
240   clr.clear_value[0] = new_clear_value;
241   clr.clear_value[1] = new_clear_value >> 32;
242   clr.clear_bits[0] = 0xffffffff; /* TODO: Might want to clear only specific channels? */
243   clr.clear_bits[1] = 0xffffffff;
244   clr.rect_x = 0; /* What about scissors? */
245   clr.rect_y = 0;
246   clr.rect_w = surf->surf.width;
247   clr.rect_h = surf->surf.height;
248
249   emit_blt_clearimage(ctx->stream, &clr);
250
251   /* This made the TS valid */
252   if (surf->surf.ts_size) {
253      ctx->framebuffer.TS_COLOR_CLEAR_VALUE = new_clear_value;
254      ctx->framebuffer.TS_COLOR_CLEAR_VALUE_EXT = new_clear_value >> 32;
255      surf->level->ts_valid = true;
256      ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
257   }
258
259   surf->level->clear_value = new_clear_value;
260   resource_written(ctx, surf->base.texture);
261   etna_resource(surf->base.texture)->seqno++;
262}
263
264static void
265etna_blit_clear_zs_blt(struct pipe_context *pctx, struct pipe_surface *dst,
266                   unsigned buffers, double depth, unsigned stencil)
267{
268   struct etna_context *ctx = etna_context(pctx);
269   struct etna_surface *surf = etna_surface(dst);
270   uint32_t new_clear_value = translate_clear_depth_stencil(surf->base.format, depth, stencil);
271   uint32_t new_clear_bits = 0, clear_bits_depth, clear_bits_stencil;
272
273   /* Get the channels to clear */
274   switch (surf->base.format) {
275   case PIPE_FORMAT_Z16_UNORM:
276   case PIPE_FORMAT_X8Z24_UNORM:
277      clear_bits_depth = 0xffffffff;
278      clear_bits_stencil = 0x00000000;
279      break;
280   case PIPE_FORMAT_S8_UINT_Z24_UNORM:
281      clear_bits_depth = 0xffffff00;
282      clear_bits_stencil = 0x000000ff;
283      break;
284   default:
285      clear_bits_depth = clear_bits_stencil = 0xffffffff;
286      break;
287   }
288
289   if (buffers & PIPE_CLEAR_DEPTH)
290      new_clear_bits |= clear_bits_depth;
291   if (buffers & PIPE_CLEAR_STENCIL)
292      new_clear_bits |= clear_bits_stencil;
293
294   /* if all bits are cleared, update TS clear value */
295   if (new_clear_bits == 0xffffffff)
296      surf->level->clear_value = new_clear_value;
297
298   /* TODO unduplicate this */
299   struct etna_resource *res = etna_resource(surf->base.texture);
300   struct blt_clear_op clr = {};
301   clr.dest.addr.bo = res->bo;
302   clr.dest.addr.offset = surf->surf.offset;
303   clr.dest.addr.flags = ETNA_RELOC_WRITE;
304   clr.dest.bpp = util_format_get_blocksize(surf->base.format);
305   clr.dest.stride = surf->surf.stride;
306   clr.dest.tiling = res->layout;
307
308   if (surf->surf.ts_size) {
309      clr.dest.use_ts = 1;
310      clr.dest.ts_addr.bo = res->ts_bo;
311      clr.dest.ts_addr.offset = surf->level->ts_offset;
312      clr.dest.ts_addr.flags = ETNA_RELOC_WRITE;
313      clr.dest.ts_clear_value[0] = surf->level->clear_value;
314      clr.dest.ts_clear_value[1] = surf->level->clear_value;
315      clr.dest.ts_mode = surf->level->ts_mode;
316      clr.dest.ts_compress_fmt = surf->level->ts_compress_fmt;
317   }
318
319   clr.clear_value[0] = new_clear_value;
320   clr.clear_value[1] = new_clear_value;
321   clr.clear_bits[0] = new_clear_bits;
322   clr.clear_bits[1] = new_clear_bits;
323   clr.rect_x = 0; /* What about scissors? */
324   clr.rect_y = 0;
325   clr.rect_w = surf->surf.width;
326   clr.rect_h = surf->surf.height;
327
328   emit_blt_clearimage(ctx->stream, &clr);
329
330   /* This made the TS valid */
331   if (surf->surf.ts_size) {
332      ctx->framebuffer.TS_DEPTH_CLEAR_VALUE = surf->level->clear_value;
333      surf->level->ts_valid = true;
334      ctx->dirty |= ETNA_DIRTY_TS | ETNA_DIRTY_DERIVE_TS;
335   }
336
337   resource_written(ctx, surf->base.texture);
338   etna_resource(surf->base.texture)->seqno++;
339}
340
341static void
342etna_clear_blt(struct pipe_context *pctx, unsigned buffers, const struct pipe_scissor_state *scissor_state,
343           const union pipe_color_union *color, double depth, unsigned stencil)
344{
345   struct etna_context *ctx = etna_context(pctx);
346   mtx_lock(&ctx->lock);
347
348   etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
349   etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH);
350
351   if (buffers & PIPE_CLEAR_COLOR) {
352      for (int idx = 0; idx < ctx->framebuffer_s.nr_cbufs; ++idx) {
353         etna_blit_clear_color_blt(pctx, ctx->framebuffer_s.cbufs[idx],
354                               &color[idx]);
355      }
356   }
357
358   if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && ctx->framebuffer_s.zsbuf != NULL)
359      etna_blit_clear_zs_blt(pctx, ctx->framebuffer_s.zsbuf, buffers, depth, stencil);
360
361   etna_stall(ctx->stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_BLT);
362
363   if ((buffers & PIPE_CLEAR_COLOR) && (buffers & PIPE_CLEAR_DEPTH))
364      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
365   else
366      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000002);
367   mtx_unlock(&ctx->lock);
368}
369
370static bool
371etna_try_blt_blit(struct pipe_context *pctx,
372                 const struct pipe_blit_info *blit_info)
373{
374   struct etna_context *ctx = etna_context(pctx);
375   struct etna_resource *src = etna_resource(blit_info->src.resource);
376   struct etna_resource *dst = etna_resource(blit_info->dst.resource);
377   int msaa_xscale = 1, msaa_yscale = 1;
378
379   /* Ensure that the level is valid */
380   assert(blit_info->src.level <= src->base.last_level);
381   assert(blit_info->dst.level <= dst->base.last_level);
382
383   if (!translate_samples_to_xyscale(src->base.nr_samples, &msaa_xscale, &msaa_yscale))
384      return false;
385
386   /* The width/height are in pixels; they do not change as a result of
387    * multi-sampling. So, when blitting from a 4x multisampled surface
388    * to a non-multisampled surface, the width and height will be
389    * identical. As we do not support scaling, reject different sizes.
390    * TODO: could handle 2x downsample here with emit_blt_genmipmaps */
391   if (blit_info->dst.box.width != blit_info->src.box.width ||
392       blit_info->dst.box.height != abs(blit_info->src.box.height)) { /* allow y flip for glTexImage2D */
393      DBG("scaling requested: source %dx%d destination %dx%d",
394          blit_info->src.box.width, blit_info->src.box.height,
395          blit_info->dst.box.width, blit_info->dst.box.height);
396      return false;
397   }
398
399   /* No masks - not sure if BLT can copy individual channels */
400   unsigned mask = util_format_get_mask(blit_info->dst.format);
401   if ((blit_info->mask & mask) != mask) {
402      DBG("sub-mask requested: 0x%02x vs format mask 0x%02x", blit_info->mask, mask);
403      return false;
404   }
405
406   /* Only support same format (used tiling/detiling) blits for now.
407    * TODO: figure out which different-format blits are possible and test them
408    *  - need to use correct swizzle
409    *  - set sRGB bits correctly
410    *  - avoid trying to convert between float/int formats?
411    */
412   if (blit_info->src.format != blit_info->dst.format)
413      return false;
414
415   uint32_t format = etna_compatible_blt_format(blit_info->dst.format);
416   if (format == ETNA_NO_MATCH)
417      return false;
418
419   if (blit_info->scissor_enable ||
420       blit_info->dst.box.depth != blit_info->src.box.depth ||
421       blit_info->dst.box.depth != 1) {
422      return false;
423   }
424
425   struct etna_resource_level *src_lev = &src->levels[blit_info->src.level];
426   struct etna_resource_level *dst_lev = &dst->levels[blit_info->dst.level];
427
428   /* if we asked for in-place resolve, return immediately if ts isn't valid
429    * do this check separately because it applies when compression is used, but
430    * we can't use inplace resolve path with compression
431    */
432   if (src == dst) {
433      assert(!memcmp(&blit_info->src, &blit_info->dst, sizeof(blit_info->src)));
434      if (!src_lev->ts_size || !src_lev->ts_valid) /* No TS, no worries */
435         return true;
436   }
437
438   mtx_lock(&ctx->lock);
439   /* Kick off BLT here */
440   if (src == dst && src_lev->ts_compress_fmt < 0) {
441      /* Resolve-in-place */
442      struct blt_inplace_op op = {};
443
444      op.addr.bo = src->bo;
445      op.addr.offset = src_lev->offset + blit_info->src.box.z * src_lev->layer_stride;
446      op.addr.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE;
447      op.ts_addr.bo = src->ts_bo;
448      op.ts_addr.offset = src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
449      op.ts_addr.flags = ETNA_RELOC_READ;
450      op.ts_clear_value[0] = src_lev->clear_value;
451      op.ts_clear_value[1] = src_lev->clear_value;
452      op.ts_mode = src_lev->ts_mode;
453      op.num_tiles = DIV_ROUND_UP(src_lev->size, src_lev->ts_mode ? 256 : 128);
454      op.bpp = util_format_get_blocksize(src->base.format);
455
456      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
457      etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, 0x00000001);
458      emit_blt_inplace(ctx->stream, &op);
459   } else {
460      /* Copy op */
461      struct blt_imgcopy_op op = {};
462
463      op.src.addr.bo = src->bo;
464      op.src.addr.offset = src_lev->offset + blit_info->src.box.z * src_lev->layer_stride;
465      op.src.addr.flags = ETNA_RELOC_READ;
466      op.src.format = format;
467      op.src.stride = src_lev->stride;
468      op.src.tiling = src->layout;
469      for (unsigned x=0; x<4; ++x)
470         op.src.swizzle[x] = x;
471
472      if (src_lev->ts_size && src_lev->ts_valid) {
473         op.src.use_ts = 1;
474         op.src.ts_addr.bo = src->ts_bo;
475         op.src.ts_addr.offset = src_lev->ts_offset + blit_info->src.box.z * src_lev->ts_layer_stride;
476         op.src.ts_addr.flags = ETNA_RELOC_READ;
477         op.src.ts_clear_value[0] = src_lev->clear_value;
478         op.src.ts_clear_value[1] = src_lev->clear_value;
479         op.src.ts_mode = src_lev->ts_mode;
480         op.src.ts_compress_fmt = src_lev->ts_compress_fmt;
481      }
482
483      op.dest.addr.bo = dst->bo;
484      op.dest.addr.offset = dst_lev->offset + blit_info->dst.box.z * dst_lev->layer_stride;
485      op.dest.addr.flags = ETNA_RELOC_WRITE;
486      op.dest.format = format;
487      op.dest.stride = dst_lev->stride;
488      op.dest.tiling = dst->layout;
489      for (unsigned x=0; x<4; ++x)
490         op.dest.swizzle[x] = x;
491
492      op.dest_x = blit_info->dst.box.x;
493      op.dest_y = blit_info->dst.box.y;
494      op.src_x = blit_info->src.box.x;
495      op.src_y = blit_info->src.box.y;
496      op.rect_w = blit_info->dst.box.width;
497      op.rect_h = blit_info->dst.box.height;
498
499      if (blit_info->src.box.height < 0) { /* flipped? fix up base y */
500         op.flip_y = 1;
501         op.src_y += blit_info->src.box.height;
502      }
503
504      assert(op.src_x < src_lev->padded_width);
505      assert(op.src_y < src_lev->padded_height);
506      assert((op.src_x + op.rect_w) <= src_lev->padded_width);
507      assert((op.src_y + op.rect_h) <= src_lev->padded_height);
508      assert(op.dest_x < dst_lev->padded_width);
509      assert(op.dest_y < dst_lev->padded_height);
510      assert((op.dest_x + op.rect_w) <= dst_lev->padded_width);
511      assert((op.dest_y + op.rect_h) <= dst_lev->padded_height);
512
513      etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
514      etna_set_state(ctx->stream, VIVS_TS_FLUSH_CACHE, 0x00000001);
515      emit_blt_copyimage(ctx->stream, &op);
516   }
517
518   /* Make FE wait for BLT, in case we want to do something with the image next.
519    * This probably shouldn't be here, and depend on what is done with the resource.
520    */
521   etna_stall(ctx->stream, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_BLT);
522   etna_set_state(ctx->stream, VIVS_GL_FLUSH_CACHE, 0x00000c23);
523
524   resource_read(ctx, &src->base);
525   resource_written(ctx, &dst->base);
526
527   dst->seqno++;
528   dst_lev->ts_valid = false;
529   mtx_unlock(&ctx->lock);
530
531   return true;
532}
533
534static bool
535etna_blit_blt(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
536{
537   if (blit_info->src.resource->nr_samples > 1 &&
538       blit_info->dst.resource->nr_samples <= 1 &&
539       !util_format_is_depth_or_stencil(blit_info->src.resource->format) &&
540       !util_format_is_pure_integer(blit_info->src.resource->format)) {
541      DBG("color resolve unimplemented");
542      return false;
543   }
544
545   return etna_try_blt_blit(pctx, blit_info);
546}
547
548void
549etna_clear_blit_blt_init(struct pipe_context *pctx)
550{
551   struct etna_context *ctx = etna_context(pctx);
552
553   DBG("etnaviv: Using BLT blit engine");
554   pctx->clear = etna_clear_blt;
555   ctx->blit = etna_blit_blt;
556}
557