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_DECOMPRESS    = R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
  43 };
  44
  45 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
  46 {
  47         struct r600_context *rctx = (struct r600_context *)ctx;
  48
  49         r600_context_queries_suspend(rctx);
  50
  51         util_blitter_save_blend(rctx->blitter, rctx->queued.named.blend);
  52         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
  53         if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
  54                 util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  55         }
  56         util_blitter_save_rasterizer(rctx->blitter, rctx->queued.named.rasterizer);
  57         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  58         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  59         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  60         if (rctx->queued.named.viewport) {
  61                 util_blitter_save_viewport(rctx->blitter, &rctx->queued.named.viewport->viewport);
  62         }
  63         util_blitter_save_vertex_buffers(rctx->blitter,
  64                                          rctx->nr_vertex_buffers,
  65                                          rctx->vertex_buffer);
  66         util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
  67                                      (struct pipe_stream_output_target**)rctx->so_targets);
  68
  69         if (op & R600_SAVE_FRAMEBUFFER)
  70                 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
  71
  72         if (op & R600_SAVE_TEXTURES) {
  73                 util_blitter_save_fragment_sampler_states(
  74                         rctx->blitter, rctx->ps_samplers.n_samplers,
  75                         (void**)rctx->ps_samplers.samplers);
  76
  77                 util_blitter_save_fragment_sampler_views(
  78                         rctx->blitter, rctx->ps_samplers.n_views,
  79                         (struct pipe_sampler_view**)rctx->ps_samplers.views);
  80         }
  81
  82         if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
  83                 rctx->saved_render_cond = rctx->current_render_cond;
  84                 rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
  85                 rctx->context.render_condition(&rctx->context, NULL, 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_mode);
  97                 rctx->saved_render_cond = NULL;
  98         }
  99         r600_context_queries_resume(rctx);
 100 }
 101
 102 static unsigned u_num_layers(struct pipe_resource *r, unsigned level)
 103 {
 104         switch (r->target) {
 105         case PIPE_TEXTURE_CUBE:
 106                 return 6;
 107         case PIPE_TEXTURE_3D:
 108                 return u_minify(r->depth0, level);
 109         case PIPE_TEXTURE_1D_ARRAY:
 110                 return r->array_size;
 111         case PIPE_TEXTURE_2D_ARRAY:
 112                 return r->array_size;
 113         default:
 114                 return 1;
 115         }
 116 }
 117
 118 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 119 {
 120         struct r600_context *rctx = (struct r600_context *)ctx;
 121         unsigned layer, level;
 122         float depth = 1.0f;
 123
 124         if (!texture->dirty_db)
 125                 return;
 126
 127         for (level = 0; level <= texture->resource.b.b.last_level; level++) {
 128                 unsigned num_layers = u_num_layers(&texture->resource.b.b, level);
 129
 130                 for (layer = 0; layer < num_layers; layer++) {
 131                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 132
 133                         surf_tmpl.format = texture->real_format;
 134                         surf_tmpl.u.tex.level = level;
 135                         surf_tmpl.u.tex.first_layer = layer;
 136                         surf_tmpl.u.tex.last_layer = layer;
 137                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 138
 139                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 140
 141                         surf_tmpl.format = texture->flushed_depth_texture->real_format;
 142                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 143                         cbsurf = ctx->create_surface(ctx,
 144                                         (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
 145
 146                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 147                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 148                         r600_blitter_end(ctx);
 149
 150                         pipe_surface_reference(&zsurf, NULL);
 151                         pipe_surface_reference(&cbsurf, NULL);
 152                 }
 153         }
 154
 155         texture->dirty_db = FALSE;
 156 }
 157
 158 void r600_flush_depth_textures(struct r600_context *rctx)
 159 {
 160         unsigned int i;
 161
 162         /* FIXME: This handles fragment shader textures only. */
 163
 164         for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
 165                 struct si_pipe_sampler_view *view;
 166                 struct r600_resource_texture *tex;
 167
 168                 view = rctx->ps_samplers.views[i];
 169                 if (!view) continue;
 170
 171                 tex = (struct r600_resource_texture *)view->base.texture;
 172                 if (!tex->depth)
 173                         continue;
 174
 175                 if (tex->is_flushing_texture)
 176                         continue;
 177
 178                 r600_blit_uncompress_depth(&rctx->context, tex);
 179         }
 180
 181         /* also check CB here */
 182         for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
 183                 struct r600_resource_texture *tex;
 184                 tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
 185
 186                 if (!tex->depth)
 187                         continue;
 188
 189                 if (tex->is_flushing_texture)
 190                         continue;
 191
 192                 r600_blit_uncompress_depth(&rctx->context, tex);
 193         }
 194 }
 195
 196 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 197                        const union pipe_color_union *color,
 198                        double depth, unsigned stencil)
 199 {
 200         struct r600_context *rctx = (struct r600_context *)ctx;
 201         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 202
 203         r600_blitter_begin(ctx, R600_CLEAR);
 204         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 205                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 206                            color, depth, stencil);
 207         r600_blitter_end(ctx);
 208 }
 209
 210 static void r600_clear_render_target(struct pipe_context *ctx,
 211                                      struct pipe_surface *dst,
 212                                      const union pipe_color_union *color,
 213                                      unsigned dstx, unsigned dsty,
 214                                      unsigned width, unsigned height)
 215 {
 216         struct r600_context *rctx = (struct r600_context *)ctx;
 217
 218         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 219         util_blitter_clear_render_target(rctx->blitter, dst, color,
 220                                          dstx, dsty, width, height);
 221         r600_blitter_end(ctx);
 222 }
 223
 224 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 225                                      struct pipe_surface *dst,
 226                                      unsigned clear_flags,
 227                                      double depth,
 228                                      unsigned stencil,
 229                                      unsigned dstx, unsigned dsty,
 230                                      unsigned width, unsigned height)
 231 {
 232         struct r600_context *rctx = (struct r600_context *)ctx;
 233
 234         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 235         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 236                                          dstx, dsty, width, height);
 237         r600_blitter_end(ctx);
 238 }
 239
 240
 241
 242 /* Copy a block of pixels from one surface to another using HW. */
 243 static void r600_hw_copy_region(struct pipe_context *ctx,
 244                                 struct pipe_resource *dst,
 245                                 unsigned dst_level,
 246                                 unsigned dstx, unsigned dsty, unsigned dstz,
 247                                 struct pipe_resource *src,
 248                                 unsigned src_level,
 249                                 const struct pipe_box *src_box)
 250 {
 251         struct r600_context *rctx = (struct r600_context *)ctx;
 252
 253         r600_blitter_begin(ctx, R600_COPY);
 254         util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 255                                   src, src_level, src_box, TRUE);
 256         r600_blitter_end(ctx);
 257 }
 258
 259 struct texture_orig_info {
 260         unsigned format;
 261         unsigned width0;
 262         unsigned height0;
 263         unsigned npix_x;
 264         unsigned npix_y;
 265         unsigned npix0_x;
 266         unsigned npix0_y;
 267 };
 268
 269 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 270                                    unsigned level,
 271                                    struct texture_orig_info *orig)
 272 {
 273         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 274         struct r600_screen *rscreen = (struct r600_screen *)tex->screen;
 275         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 276         int new_format;
 277         int new_height, new_width;
 278
 279         orig->format = tex->format;
 280         orig->width0 = tex->width0;
 281         orig->height0 = tex->height0;
 282         orig->npix0_x = rtex->surface.level[0].npix_x;
 283         orig->npix0_y = rtex->surface.level[0].npix_y;
 284         orig->npix_x = rtex->surface.level[level].npix_x;
 285         orig->npix_y = rtex->surface.level[level].npix_y;
 286
 287         if (pixsize == 8)
 288                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 289         else
 290                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 291
 292         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 293         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 294
 295         tex->width0 = new_width;
 296         tex->height0 = new_height;
 297         tex->format = new_format;
 298         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 299         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 300         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 301         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 302 }
 303
 304 static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
 305                                                unsigned level,
 306                                                struct texture_orig_info *orig)
 307 {
 308         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 309         struct r600_screen *rscreen = (struct r600_screen *)tex->screen;
 310
 311         tex->format = orig->format;
 312         tex->width0 = orig->width0;
 313         tex->height0 = orig->height0;
 314         rtex->surface.level[0].npix_x = orig->npix0_x;
 315         rtex->surface.level[0].npix_y = orig->npix0_y;
 316         rtex->surface.level[level].npix_x = orig->npix_x;
 317         rtex->surface.level[level].npix_y = orig->npix_y;
 318 }
 319
 320 static void r600_resource_copy_region(struct pipe_context *ctx,
 321                                       struct pipe_resource *dst,
 322                                       unsigned dst_level,
 323                                       unsigned dstx, unsigned dsty, unsigned dstz,
 324                                       struct pipe_resource *src,
 325                                       unsigned src_level,
 326                                       const struct pipe_box *src_box)
 327 {
 328         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 329         struct texture_orig_info orig_info[2];
 330         struct pipe_box sbox;
 331         const struct pipe_box *psbox;
 332         boolean restore_orig[2];
 333
 334         memset(orig_info, 0, sizeof(orig_info));
 335
 336         /* Fallback for buffers. */
 337         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 338                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 339                                           src, src_level, src_box);
 340                 return;
 341         }
 342
 343         if (rsrc->depth && !rsrc->is_flushing_texture)
 344                 r600_texture_depth_flush(ctx, src, FALSE);
 345
 346         restore_orig[0] = restore_orig[1] = FALSE;
 347
 348         if (util_format_is_compressed(src->format)) {
 349                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 350                 restore_orig[0] = TRUE;
 351                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 352                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 353                 sbox.z = src_box->z;
 354                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 355                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 356                 sbox.depth = src_box->depth;
 357                 psbox=&sbox;
 358         } else
 359                 psbox=src_box;
 360
 361         if (util_format_is_compressed(dst->format)) {
 362                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 363                 restore_orig[1] = TRUE;
 364                 /* translate the dst box as well */
 365                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 366                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 367         }
 368
 369         r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 370                             src, src_level, psbox);
 371
 372         if (restore_orig[0])
 373                 r600_reset_blittable_to_compressed(src, src_level, &orig_info[0]);
 374
 375         if (restore_orig[1])
 376                 r600_reset_blittable_to_compressed(dst, dst_level, &orig_info[1]);
 377 }
 378
 379 void r600_init_blit_functions(struct r600_context *rctx)
 380 {
 381         rctx->context.clear = r600_clear;
 382         rctx->context.clear_render_target = r600_clear_render_target;
 383         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 384         rctx->context.resource_copy_region = r600_resource_copy_region;
 385 }
 386
 387 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 388 {
 389         struct pipe_box sbox;
 390
 391         sbox.x = sbox.y = sbox.z = 0;
 392         sbox.width = texture->resource.b.b.width0;
 393         sbox.height = texture->resource.b.b.height0;
 394         /* XXX that might be wrong */
 395         sbox.depth = 1;
 396
 397         r600_hw_copy_region(ctx, (struct pipe_resource *)texture, 0,
 398                             0, 0, 0,
 399                             (struct pipe_resource *)texture->flushed_depth_texture, 0,
 400                             &sbox);
 401 }