src/gallium/drivers/radeonsi/r600_blit.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  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 AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include "util/u_surface.h"
  24 #include "util/u_blitter.h"
  25 #include "util/u_format.h"
  26 #include "radeonsi_pipe.h"
  27 #include "si_state.h"
  28
  29 enum r600_blitter_op /* bitmask */
  30 {
  31         R600_SAVE_TEXTURES      = 1,
  32         R600_SAVE_FRAMEBUFFER   = 2,
  33         R600_DISABLE_RENDER_COND = 4,
  34
  35         R600_CLEAR         = 0,
  36
  37         R600_CLEAR_SURFACE = R600_SAVE_FRAMEBUFFER,
  38
  39         R600_COPY          = R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
  40                              R600_DISABLE_RENDER_COND,
  41
  42         R600_BLIT          = R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
  43                              R600_DISABLE_RENDER_COND,
  44
  45         R600_DECOMPRESS    = R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
  46 };
  47
  48 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
  49 {
  50         struct r600_context *rctx = (struct r600_context *)ctx;
  51
  52         r600_context_queries_suspend(rctx);
  53
  54         util_blitter_save_blend(rctx->blitter, rctx->queued.named.blend);
  55         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->queued.named.dsa);
  56         util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  57         util_blitter_save_rasterizer(rctx->blitter, rctx->queued.named.rasterizer);
  58         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  59         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  60         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  61         if (rctx->queued.named.viewport) {
  62                 util_blitter_save_viewport(rctx->blitter, &rctx->queued.named.viewport->viewport);
  63         }
  64         util_blitter_save_vertex_buffer_slot(rctx->blitter, rctx->vertex_buffer);
  65         util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
  66                                      (struct pipe_stream_output_target**)rctx->so_targets);
  67
  68         if (op & R600_SAVE_FRAMEBUFFER)
  69                 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
  70
  71         if (op & R600_SAVE_TEXTURES) {
  72                 util_blitter_save_fragment_sampler_states(
  73                         rctx->blitter, rctx->ps_samplers.n_samplers,
  74                         (void**)rctx->ps_samplers.samplers);
  75
  76                 util_blitter_save_fragment_sampler_views(
  77                         rctx->blitter, rctx->ps_samplers.n_views,
  78                         (struct pipe_sampler_view**)rctx->ps_samplers.views);
  79         }
  80
  81         if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
  82                 rctx->saved_render_cond = rctx->current_render_cond;
  83                 rctx->saved_render_cond_cond = rctx->current_render_cond_cond;
  84                 rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
  85                 rctx->context.render_condition(&rctx->context, NULL, FALSE, 0);
  86         }
  87
  88 }
  89
  90 static void r600_blitter_end(struct pipe_context *ctx)
  91 {
  92         struct r600_context *rctx = (struct r600_context *)ctx;
  93         if (rctx->saved_render_cond) {
  94                 rctx->context.render_condition(&rctx->context,
  95                                                rctx->saved_render_cond,
  96                                                rctx->saved_render_cond_cond,
  97                                                rctx->saved_render_cond_mode);
  98                 rctx->saved_render_cond = NULL;
  99         }
 100         r600_context_queries_resume(rctx);
 101 }
 102
 103 void si_blit_uncompress_depth(struct pipe_context *ctx,
 104                 struct r600_resource_texture *texture,
 105                 struct r600_resource_texture *staging,
 106                 unsigned first_level, unsigned last_level,
 107                 unsigned first_layer, unsigned last_layer)
 108 {
 109         struct r600_context *rctx = (struct r600_context *)ctx;
 110         unsigned layer, level, checked_last_layer, max_layer;
 111         float depth = 1.0f;
 112         const struct util_format_description *desc;
 113         void *custom_dsa;
 114         struct r600_resource_texture *flushed_depth_texture = staging ?
 115                         staging : texture->flushed_depth_texture;
 116
 117         if (!staging && !texture->dirty_db_mask)
 118                 return;
 119
 120         desc = util_format_description(flushed_depth_texture->resource.b.b.format);
 121         switch (util_format_has_depth(desc) | util_format_has_stencil(desc) << 1) {
 122         default:
 123                 assert(!"No depth or stencil to uncompress");
 124         case 3:
 125                 custom_dsa = rctx->custom_dsa_flush_depth_stencil;
 126                 break;
 127         case 2:
 128                 custom_dsa = rctx->custom_dsa_flush_stencil;
 129                 break;
 130         case 1:
 131                 custom_dsa = rctx->custom_dsa_flush_depth;
 132                 break;
 133         }
 134
 135         for (level = first_level; level <= last_level; level++) {
 136                 if (!staging && !(texture->dirty_db_mask & (1 << level)))
 137                         continue;
 138
 139                 /* The smaller the mipmap level, the less layers there are
 140                  * as far as 3D textures are concerned. */
 141                 max_layer = util_max_layer(&texture->resource.b.b, level);
 142                 checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
 143
 144                 for (layer = first_layer; layer <= checked_last_layer; layer++) {
 145                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 146
 147                         surf_tmpl.format = texture->real_format;
 148                         surf_tmpl.u.tex.level = level;
 149                         surf_tmpl.u.tex.first_layer = layer;
 150                         surf_tmpl.u.tex.last_layer = layer;
 151
 152                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 153
 154                         surf_tmpl.format = flushed_depth_texture->real_format;
 155                         cbsurf = ctx->create_surface(ctx,
 156                                         (struct pipe_resource*)flushed_depth_texture, &surf_tmpl);
 157
 158                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 159                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, ~0, custom_dsa, depth);
 160                         r600_blitter_end(ctx);
 161
 162                         pipe_surface_reference(&zsurf, NULL);
 163                         pipe_surface_reference(&cbsurf, NULL);
 164                 }
 165
 166                 /* The texture will always be dirty if some layers aren't flushed.
 167                  * I don't think this case can occur though. */
 168                 if (!staging && first_layer == 0 && last_layer == max_layer) {
 169                         texture->dirty_db_mask &= ~(1 << level);
 170                 }
 171         }
 172 }
 173
 174 static void si_blit_decompress_depth_in_place(struct r600_context *rctx,
 175                                               struct r600_resource_texture *texture,
 176                                               unsigned first_level, unsigned last_level,
 177                                               unsigned first_layer, unsigned last_layer)
 178 {
 179         struct pipe_surface *zsurf, surf_tmpl = {{0}};
 180         unsigned layer, max_layer, checked_last_layer, level;
 181
 182         surf_tmpl.format = texture->resource.b.b.format;
 183
 184         for (level = first_level; level <= last_level; level++) {
 185                 if (!(texture->dirty_db_mask & (1 << level)))
 186                         continue;
 187
 188                 surf_tmpl.u.tex.level = level;
 189
 190                 /* The smaller the mipmap level, the less layers there are
 191                  * as far as 3D textures are concerned. */
 192                 max_layer = util_max_layer(&texture->resource.b.b, level);
 193                 checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
 194
 195                 for (layer = first_layer; layer <= checked_last_layer; layer++) {
 196                         surf_tmpl.u.tex.first_layer = layer;
 197                         surf_tmpl.u.tex.last_layer = layer;
 198
 199                         zsurf = rctx->context.create_surface(&rctx->context, &texture->resource.b.b, &surf_tmpl);
 200
 201                         r600_blitter_begin(&rctx->context, R600_DECOMPRESS);
 202                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, NULL, ~0,
 203                                                           rctx->custom_dsa_flush_inplace,
 204                                                           1.0f);
 205                         r600_blitter_end(&rctx->context);
 206
 207                         pipe_surface_reference(&zsurf, NULL);
 208                 }
 209
 210                 /* The texture will always be dirty if some layers aren't flushed.
 211                  * I don't think this case occurs often though. */
 212                 if (first_layer == 0 && last_layer == max_layer) {
 213                         texture->dirty_db_mask &= ~(1 << level);
 214                 }
 215         }
 216 }
 217
 218 void si_flush_depth_textures(struct r600_context *rctx,
 219                              struct r600_textures_info *textures)
 220 {
 221         unsigned i;
 222
 223         for (i = 0; i < textures->n_views; ++i) {
 224                 struct pipe_sampler_view *view;
 225                 struct r600_resource_texture *tex;
 226
 227                 view = &textures->views[i]->base;
 228                 if (!view) continue;
 229
 230                 tex = (struct r600_resource_texture *)view->texture;
 231                 if (!tex->is_depth || tex->is_flushing_texture)
 232                         continue;
 233
 234                 si_blit_decompress_depth_in_place(rctx, tex,
 235                                                   view->u.tex.first_level, view->u.tex.last_level,
 236                                                   0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
 237         }
 238 }
 239
 240 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 241                        const union pipe_color_union *color,
 242                        double depth, unsigned stencil)
 243 {
 244         struct r600_context *rctx = (struct r600_context *)ctx;
 245         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 246
 247         r600_blitter_begin(ctx, R600_CLEAR);
 248         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 249                            buffers, color, depth, stencil);
 250         r600_blitter_end(ctx);
 251 }
 252
 253 static void r600_clear_render_target(struct pipe_context *ctx,
 254                                      struct pipe_surface *dst,
 255                                      const union pipe_color_union *color,
 256                                      unsigned dstx, unsigned dsty,
 257                                      unsigned width, unsigned height)
 258 {
 259         struct r600_context *rctx = (struct r600_context *)ctx;
 260
 261         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 262         util_blitter_clear_render_target(rctx->blitter, dst, color,
 263                                          dstx, dsty, width, height);
 264         r600_blitter_end(ctx);
 265 }
 266
 267 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 268                                      struct pipe_surface *dst,
 269                                      unsigned clear_flags,
 270                                      double depth,
 271                                      unsigned stencil,
 272                                      unsigned dstx, unsigned dsty,
 273                                      unsigned width, unsigned height)
 274 {
 275         struct r600_context *rctx = (struct r600_context *)ctx;
 276
 277         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 278         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 279                                          dstx, dsty, width, height);
 280         r600_blitter_end(ctx);
 281 }
 282
 283 struct texture_orig_info {
 284         unsigned format;
 285         unsigned width0;
 286         unsigned height0;
 287         unsigned npix_x;
 288         unsigned npix_y;
 289         unsigned npix0_x;
 290         unsigned npix0_y;
 291 };
 292
 293 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 294                                    unsigned level,
 295                                    struct texture_orig_info *orig)
 296 {
 297         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 298         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 299         int new_format;
 300         int new_height, new_width;
 301
 302         orig->format = tex->format;
 303         orig->width0 = tex->width0;
 304         orig->height0 = tex->height0;
 305         orig->npix0_x = rtex->surface.level[0].npix_x;
 306         orig->npix0_y = rtex->surface.level[0].npix_y;
 307         orig->npix_x = rtex->surface.level[level].npix_x;
 308         orig->npix_y = rtex->surface.level[level].npix_y;
 309
 310         if (pixsize == 8)
 311                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 312         else
 313                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 314
 315         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 316         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 317
 318         tex->width0 = new_width;
 319         tex->height0 = new_height;
 320         tex->format = new_format;
 321         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 322         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 323         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 324         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 325 }
 326
 327 static void r600_change_format(struct pipe_resource *tex,
 328                                unsigned level,
 329                                struct texture_orig_info *orig,
 330                                enum pipe_format format)
 331 {
 332         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 333
 334         orig->format = tex->format;
 335         orig->width0 = tex->width0;
 336         orig->height0 = tex->height0;
 337         orig->npix0_x = rtex->surface.level[0].npix_x;
 338         orig->npix0_y = rtex->surface.level[0].npix_y;
 339         orig->npix_x = rtex->surface.level[level].npix_x;
 340         orig->npix_y = rtex->surface.level[level].npix_y;
 341
 342         tex->format = format;
 343 }
 344
 345 static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
 346                                          unsigned level,
 347                                          struct texture_orig_info *orig)
 348 {
 349         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 350
 351         tex->format = orig->format;
 352         tex->width0 = orig->width0;
 353         tex->height0 = orig->height0;
 354         rtex->surface.level[0].npix_x = orig->npix0_x;
 355         rtex->surface.level[0].npix_y = orig->npix0_y;
 356         rtex->surface.level[level].npix_x = orig->npix_x;
 357         rtex->surface.level[level].npix_y = orig->npix_y;
 358 }
 359
 360 static void r600_resource_copy_region(struct pipe_context *ctx,
 361                                       struct pipe_resource *dst,
 362                                       unsigned dst_level,
 363                                       unsigned dstx, unsigned dsty, unsigned dstz,
 364                                       struct pipe_resource *src,
 365                                       unsigned src_level,
 366                                       const struct pipe_box *src_box)
 367 {
 368         struct r600_context *rctx = (struct r600_context *)ctx;
 369         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 370         struct texture_orig_info orig_info[2];
 371         struct pipe_box sbox;
 372         const struct pipe_box *psbox = src_box;
 373         boolean restore_orig[2];
 374
 375         memset(orig_info, 0, sizeof(orig_info));
 376
 377         /* Fallback for buffers. */
 378         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 379                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 380                                           src, src_level, src_box);
 381                 return;
 382         }
 383
 384         /* This must be done before entering u_blitter to avoid recursion. */
 385         if (rsrc->is_depth && !rsrc->is_flushing_texture) {
 386                 si_blit_decompress_depth_in_place(rctx, rsrc,
 387                                                   src_level, src_level,
 388                                                   src_box->z, src_box->z + src_box->depth - 1);
 389         }
 390
 391         restore_orig[0] = restore_orig[1] = FALSE;
 392
 393         if (util_format_is_compressed(src->format) &&
 394             util_format_is_compressed(dst->format)) {
 395                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 396                 restore_orig[0] = TRUE;
 397                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 398                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 399                 sbox.z = src_box->z;
 400                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 401                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 402                 sbox.depth = src_box->depth;
 403                 psbox=&sbox;
 404
 405                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 406                 restore_orig[1] = TRUE;
 407                 /* translate the dst box as well */
 408                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 409                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 410         } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
 411                                                    PIPE_MASK_RGBAZS)) {
 412                 unsigned blocksize = util_format_get_blocksize(src->format);
 413
 414                 switch (blocksize) {
 415                 case 1:
 416                         r600_change_format(src, src_level, &orig_info[0],
 417                                            PIPE_FORMAT_R8_UNORM);
 418                         r600_change_format(dst, dst_level, &orig_info[1],
 419                                            PIPE_FORMAT_R8_UNORM);
 420                         break;
 421                 case 2:
 422                         r600_change_format(src, src_level, &orig_info[0],
 423                                            PIPE_FORMAT_R8G8_UNORM);
 424                         r600_change_format(dst, dst_level, &orig_info[1],
 425                                            PIPE_FORMAT_R8G8_UNORM);
 426                         break;
 427                 case 4:
 428                         r600_change_format(src, src_level, &orig_info[0],
 429                                            PIPE_FORMAT_R8G8B8A8_UNORM);
 430                         r600_change_format(dst, dst_level, &orig_info[1],
 431                                            PIPE_FORMAT_R8G8B8A8_UNORM);
 432                         break;
 433                 case 8:
 434                         r600_change_format(src, src_level, &orig_info[0],
 435                                            PIPE_FORMAT_R16G16B16A16_UINT);
 436                         r600_change_format(dst, dst_level, &orig_info[1],
 437                                            PIPE_FORMAT_R16G16B16A16_UINT);
 438                         break;
 439                 case 16:
 440                         r600_change_format(src, src_level, &orig_info[0],
 441                                            PIPE_FORMAT_R32G32B32A32_UINT);
 442                         r600_change_format(dst, dst_level, &orig_info[1],
 443                                            PIPE_FORMAT_R32G32B32A32_UINT);
 444                         break;
 445                 default:
 446                         fprintf(stderr, "Unhandled format %s with blocksize %u\n",
 447                                 util_format_short_name(src->format), blocksize);
 448                         assert(0);
 449                 }
 450                 restore_orig[0] = TRUE;
 451                 restore_orig[1] = TRUE;
 452         }
 453
 454         r600_blitter_begin(ctx, R600_COPY);
 455         util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 456                                   src, src_level, psbox, PIPE_MASK_RGBAZS, TRUE);
 457         r600_blitter_end(ctx);
 458
 459         if (restore_orig[0])
 460                 r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
 461
 462         if (restore_orig[1])
 463                 r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
 464 }
 465
 466 static void si_blit(struct pipe_context *ctx,
 467                       const struct pipe_blit_info *info)
 468 {
 469         struct r600_context *rctx = (struct r600_context*)ctx;
 470         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)info->src.resource;
 471
 472         assert(util_blitter_is_blit_supported(rctx->blitter, info));
 473
 474         if (info->src.resource->nr_samples > 1 &&
 475             info->dst.resource->nr_samples <= 1 &&
 476             !util_format_is_depth_or_stencil(info->src.resource->format) &&
 477             !util_format_is_pure_integer(info->src.resource->format)) {
 478                 debug_printf("radeonsi: color resolve is unimplemented\n");
 479                 return;
 480         }
 481
 482         if (rsrc->is_depth && !rsrc->is_flushing_texture) {
 483                 si_blit_decompress_depth_in_place(rctx, rsrc,
 484                                                   info->src.level, info->src.level,
 485                                                   info->src.box.z,
 486                                                   info->src.box.z + info->src.box.depth - 1);
 487         }
 488
 489         r600_blitter_begin(ctx, R600_BLIT);
 490         util_blitter_blit(rctx->blitter, info);
 491         r600_blitter_end(ctx);
 492 }
 493
 494 void si_init_blit_functions(struct r600_context *rctx)
 495 {
 496         rctx->context.clear = r600_clear;
 497         rctx->context.clear_render_target = r600_clear_render_target;
 498         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 499         rctx->context.resource_copy_region = r600_resource_copy_region;
 500         rctx->context.blit = si_blit;
 501 }