src/gallium/drivers/r600/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 "r600_pipe.h"
  24 #include "util/u_surface.h"
  25 #include "util/u_blitter.h"
  26 #include "util/u_format.h"
  27
  28 enum r600_blitter_op /* bitmask */
  29 {
  30         R600_SAVE_FRAGMENT_STATE = 1,
  31         R600_SAVE_TEXTURES       = 2,
  32         R600_SAVE_FRAMEBUFFER    = 4,
  33         R600_DISABLE_RENDER_COND = 8,
  34
  35         R600_CLEAR         = R600_SAVE_FRAGMENT_STATE,
  36
  37         R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER,
  38
  39         R600_COPY_BUFFER   = R600_DISABLE_RENDER_COND,
  40
  41         R600_COPY_TEXTURE  = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
  42                              R600_DISABLE_RENDER_COND,
  43
  44         R600_DECOMPRESS    = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
  45 };
  46
  47 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
  48 {
  49         struct r600_context *rctx = (struct r600_context *)ctx;
  50
  51         r600_suspend_nontimer_queries(rctx);
  52
  53         util_blitter_save_vertex_buffers(rctx->blitter,
  54                                          util_last_bit(rctx->vertex_buffer_state.enabled_mask),
  55                                          rctx->vertex_buffer_state.vb);
  56         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  57         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  58         util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
  59                                      (struct pipe_stream_output_target**)rctx->so_targets);
  60         util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
  61
  62         if (op & R600_SAVE_FRAGMENT_STATE) {
  63                 if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
  64                         util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
  65                 }
  66                 util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  67                 util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
  68                 util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
  69                 if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
  70                         util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  71                 }
  72         }
  73
  74         if (op & R600_SAVE_FRAMEBUFFER)
  75                 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
  76
  77         if (op & R600_SAVE_TEXTURES) {
  78                 util_blitter_save_fragment_sampler_states(
  79                         rctx->blitter, rctx->ps_samplers.n_samplers,
  80                         (void**)rctx->ps_samplers.samplers);
  81
  82                 util_blitter_save_fragment_sampler_views(
  83                         rctx->blitter, util_last_bit(rctx->ps_samplers.views.enabled_mask),
  84                         (struct pipe_sampler_view**)rctx->ps_samplers.views.views);
  85         }
  86
  87         if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
  88                 rctx->saved_render_cond = rctx->current_render_cond;
  89                 rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
  90                 rctx->context.render_condition(&rctx->context, NULL, 0);
  91         }
  92
  93 }
  94
  95 static void r600_blitter_end(struct pipe_context *ctx)
  96 {
  97         struct r600_context *rctx = (struct r600_context *)ctx;
  98         if (rctx->saved_render_cond) {
  99                 rctx->context.render_condition(&rctx->context,
 100                                                rctx->saved_render_cond,
 101                                                rctx->saved_render_cond_mode);
 102                 rctx->saved_render_cond = NULL;
 103         }
 104         r600_resume_nontimer_queries(rctx);
 105 }
 106
 107 static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
 108 {
 109         switch (r->target) {
 110         case PIPE_TEXTURE_CUBE:
 111                 return 6 - 1;
 112         case PIPE_TEXTURE_3D:
 113                 return u_minify(r->depth0, level) - 1;
 114         case PIPE_TEXTURE_1D_ARRAY:
 115         case PIPE_TEXTURE_2D_ARRAY:
 116                 return r->array_size - 1;
 117         default:
 118                 return 0;
 119         }
 120 }
 121
 122 void r600_blit_uncompress_depth(struct pipe_context *ctx,
 123                 struct r600_resource_texture *texture,
 124                 struct r600_resource_texture *staging,
 125                 unsigned first_level, unsigned last_level,
 126                 unsigned first_layer, unsigned last_layer)
 127 {
 128         struct r600_context *rctx = (struct r600_context *)ctx;
 129         unsigned layer, level, checked_last_layer, max_layer;
 130         float depth = 1.0f;
 131         struct r600_resource_texture *flushed_depth_texture = staging ?
 132                         staging : texture->flushed_depth_texture;
 133         const struct util_format_description *desc =
 134                 util_format_description(texture->resource.b.b.format);
 135
 136         if (!staging && !texture->dirty_db_mask)
 137                 return;
 138
 139         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
 140             rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
 141                 depth = 0.0f;
 142
 143         /* Enable decompression in DB_RENDER_CONTROL */
 144         rctx->db_misc_state.flush_depthstencil_through_cb = true;
 145         rctx->db_misc_state.copy_depth = util_format_has_depth(desc);
 146         rctx->db_misc_state.copy_stencil = util_format_has_stencil(desc);
 147         r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
 148
 149         for (level = first_level; level <= last_level; level++) {
 150                 if (!staging && !(texture->dirty_db_mask & (1 << level)))
 151                         continue;
 152
 153                 /* The smaller the mipmap level, the less layers there are
 154                  * as far as 3D textures are concerned. */
 155                 max_layer = u_max_layer(&texture->resource.b.b, level);
 156                 checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
 157
 158                 for (layer = first_layer; layer <= checked_last_layer; layer++) {
 159                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 160
 161                         surf_tmpl.format = texture->real_format;
 162                         surf_tmpl.u.tex.level = level;
 163                         surf_tmpl.u.tex.first_layer = layer;
 164                         surf_tmpl.u.tex.last_layer = layer;
 165                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 166
 167                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 168
 169                         surf_tmpl.format = flushed_depth_texture->real_format;
 170                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 171                         cbsurf = ctx->create_surface(ctx,
 172                                         (struct pipe_resource*)flushed_depth_texture, &surf_tmpl);
 173
 174                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 175                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 176                         r600_blitter_end(ctx);
 177
 178                         pipe_surface_reference(&zsurf, NULL);
 179                         pipe_surface_reference(&cbsurf, NULL);
 180                 }
 181
 182                 /* The texture will always be dirty if some layers aren't flushed.
 183                  * I don't think this case can occur though. */
 184                 if (!staging && first_layer == 0 && last_layer == max_layer) {
 185                         texture->dirty_db_mask &= ~(1 << level);
 186                 }
 187         }
 188
 189         /* reenable compression in DB_RENDER_CONTROL */
 190         rctx->db_misc_state.flush_depthstencil_through_cb = false;
 191         r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
 192 }
 193
 194 void r600_flush_depth_textures(struct r600_context *rctx,
 195                                struct r600_samplerview_state *textures)
 196 {
 197         unsigned i;
 198         unsigned depth_texture_mask = textures->depth_texture_mask;
 199
 200         while (depth_texture_mask) {
 201                 struct pipe_sampler_view *view;
 202                 struct r600_resource_texture *tex;
 203
 204                 i = u_bit_scan(&depth_texture_mask);
 205
 206                 view = &textures->views[i]->base;
 207                 assert(view);
 208
 209                 tex = (struct r600_resource_texture *)view->texture;
 210                 assert(tex->is_depth && !tex->is_flushing_texture);
 211
 212                 r600_blit_uncompress_depth(&rctx->context, tex, NULL,
 213                                            view->u.tex.first_level,
 214                                            view->u.tex.last_level,
 215                                            0,
 216                                            u_max_layer(&tex->resource.b.b, view->u.tex.first_level));
 217         }
 218 }
 219
 220 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 221                        const union pipe_color_union *color,
 222                        double depth, unsigned stencil)
 223 {
 224         struct r600_context *rctx = (struct r600_context *)ctx;
 225         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 226
 227         r600_blitter_begin(ctx, R600_CLEAR);
 228         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 229                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 230                            color, depth, stencil);
 231         r600_blitter_end(ctx);
 232 }
 233
 234 static void r600_clear_render_target(struct pipe_context *ctx,
 235                                      struct pipe_surface *dst,
 236                                      const union pipe_color_union *color,
 237                                      unsigned dstx, unsigned dsty,
 238                                      unsigned width, unsigned height)
 239 {
 240         struct r600_context *rctx = (struct r600_context *)ctx;
 241
 242         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 243         util_blitter_clear_render_target(rctx->blitter, dst, color,
 244                                          dstx, dsty, width, height);
 245         r600_blitter_end(ctx);
 246 }
 247
 248 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 249                                      struct pipe_surface *dst,
 250                                      unsigned clear_flags,
 251                                      double depth,
 252                                      unsigned stencil,
 253                                      unsigned dstx, unsigned dsty,
 254                                      unsigned width, unsigned height)
 255 {
 256         struct r600_context *rctx = (struct r600_context *)ctx;
 257
 258         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 259         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 260                                          dstx, dsty, width, height);
 261         r600_blitter_end(ctx);
 262 }
 263
 264 void r600_copy_buffer(struct pipe_context *ctx, struct
 265                       pipe_resource *dst, unsigned dstx,
 266                       struct pipe_resource *src, const struct pipe_box *src_box)
 267 {
 268         struct r600_context *rctx = (struct r600_context*)ctx;
 269
 270         if (rctx->screen->has_streamout &&
 271             /* Require dword alignment. */
 272             dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) {
 273                 r600_blitter_begin(ctx, R600_COPY_BUFFER);
 274                 util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width);
 275                 r600_blitter_end(ctx);
 276         } else {
 277                 util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box);
 278         }
 279 }
 280
 281 struct texture_orig_info {
 282         unsigned format;
 283         unsigned width0;
 284         unsigned height0;
 285         unsigned npix_x;
 286         unsigned npix_y;
 287         unsigned npix0_x;
 288         unsigned npix0_y;
 289 };
 290
 291 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 292                                    unsigned level,
 293                                    struct texture_orig_info *orig)
 294 {
 295         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 296         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 297         int new_format;
 298         int new_height, new_width;
 299
 300         orig->format = tex->format;
 301         orig->width0 = tex->width0;
 302         orig->height0 = tex->height0;
 303         orig->npix0_x = rtex->surface.level[0].npix_x;
 304         orig->npix0_y = rtex->surface.level[0].npix_y;
 305         orig->npix_x = rtex->surface.level[level].npix_x;
 306         orig->npix_y = rtex->surface.level[level].npix_y;
 307
 308         if (pixsize == 8)
 309                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 310         else
 311                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 312
 313         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 314         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 315
 316         tex->width0 = new_width;
 317         tex->height0 = new_height;
 318         tex->format = new_format;
 319         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 320         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 321         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 322         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 323 }
 324
 325 static void r600_change_format(struct pipe_resource *tex,
 326                                unsigned level,
 327                                struct texture_orig_info *orig,
 328                                enum pipe_format format)
 329 {
 330         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 331
 332         orig->format = tex->format;
 333         orig->width0 = tex->width0;
 334         orig->height0 = tex->height0;
 335         orig->npix0_x = rtex->surface.level[0].npix_x;
 336         orig->npix0_y = rtex->surface.level[0].npix_y;
 337         orig->npix_x = rtex->surface.level[level].npix_x;
 338         orig->npix_y = rtex->surface.level[level].npix_y;
 339
 340         tex->format = format;
 341 }
 342
 343 static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
 344                                          unsigned level,
 345                                          struct texture_orig_info *orig)
 346 {
 347         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 348
 349         tex->format = orig->format;
 350         tex->width0 = orig->width0;
 351         tex->height0 = orig->height0;
 352         rtex->surface.level[0].npix_x = orig->npix0_x;
 353         rtex->surface.level[0].npix_y = orig->npix0_y;
 354         rtex->surface.level[level].npix_x = orig->npix_x;
 355         rtex->surface.level[level].npix_y = orig->npix_y;
 356 }
 357
 358 static void r600_resource_copy_region(struct pipe_context *ctx,
 359                                       struct pipe_resource *dst,
 360                                       unsigned dst_level,
 361                                       unsigned dstx, unsigned dsty, unsigned dstz,
 362                                       struct pipe_resource *src,
 363                                       unsigned src_level,
 364                                       const struct pipe_box *src_box)
 365 {
 366         struct r600_context *rctx = (struct r600_context *)ctx;
 367         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 368         struct texture_orig_info orig_info[2];
 369         struct pipe_box sbox;
 370         const struct pipe_box *psbox = src_box;
 371         boolean restore_orig[2];
 372
 373         memset(orig_info, 0, sizeof(orig_info));
 374
 375         /* Handle buffers first. */
 376         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 377                 r600_copy_buffer(ctx, dst, dstx, src, src_box);
 378                 return;
 379         }
 380
 381         /* This must be done before entering u_blitter to avoid recursion. */
 382         if (rsrc->is_depth && !rsrc->is_flushing_texture) {
 383                 if (!r600_init_flushed_depth_texture(ctx, src, NULL))
 384                         return; /* error */
 385
 386                 r600_blit_uncompress_depth(ctx, rsrc, NULL,
 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 4:
 422                         r600_change_format(src, src_level, &orig_info[0],
 423                                            PIPE_FORMAT_R8G8B8A8_UNORM);
 424                         r600_change_format(dst, dst_level, &orig_info[1],
 425                                            PIPE_FORMAT_R8G8B8A8_UNORM);
 426                         break;
 427                 default:
 428                         fprintf(stderr, "Unhandled format %s with blocksize %u\n",
 429                                 util_format_short_name(src->format), blocksize);
 430                         assert(0);
 431                 }
 432                 restore_orig[0] = TRUE;
 433                 restore_orig[1] = TRUE;
 434         }
 435
 436         r600_blitter_begin(ctx, R600_COPY_TEXTURE);
 437         util_blitter_copy_texture(rctx->blitter, dst, dst_level, ~0, dstx, dsty, dstz,
 438                                   src, src_level, 0, psbox);
 439         r600_blitter_end(ctx);
 440
 441         if (restore_orig[0])
 442                 r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
 443
 444         if (restore_orig[1])
 445                 r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
 446 }
 447
 448 void r600_init_blit_functions(struct r600_context *rctx)
 449 {
 450         rctx->context.clear = r600_clear;
 451         rctx->context.clear_render_target = r600_clear_render_target;
 452         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 453         rctx->context.resource_copy_region = r600_resource_copy_region;
 454 }