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->queued.named.dsa);
  53         util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  54         util_blitter_save_rasterizer(rctx->blitter, rctx->queued.named.rasterizer);
  55         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  56         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  57         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  58         if (rctx->queued.named.viewport) {
  59                 util_blitter_save_viewport(rctx->blitter, &rctx->queued.named.viewport->viewport);
  60         }
  61         util_blitter_save_vertex_buffers(rctx->blitter,
  62                                          rctx->nr_vertex_buffers,
  63                                          rctx->vertex_buffer);
  64         util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
  65                                      (struct pipe_stream_output_target**)rctx->so_targets);
  66
  67         if (op & R600_SAVE_FRAMEBUFFER)
  68                 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
  69
  70         if (op & R600_SAVE_TEXTURES) {
  71                 util_blitter_save_fragment_sampler_states(
  72                         rctx->blitter, rctx->ps_samplers.n_samplers,
  73                         (void**)rctx->ps_samplers.samplers);
  74
  75                 util_blitter_save_fragment_sampler_views(
  76                         rctx->blitter, rctx->ps_samplers.n_views,
  77                         (struct pipe_sampler_view**)rctx->ps_samplers.views);
  78         }
  79
  80         if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
  81                 rctx->saved_render_cond = rctx->current_render_cond;
  82                 rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
  83                 rctx->context.render_condition(&rctx->context, NULL, 0);
  84         }
  85
  86 }
  87
  88 static void r600_blitter_end(struct pipe_context *ctx)
  89 {
  90         struct r600_context *rctx = (struct r600_context *)ctx;
  91         if (rctx->saved_render_cond) {
  92                 rctx->context.render_condition(&rctx->context,
  93                                                rctx->saved_render_cond,
  94                                                rctx->saved_render_cond_mode);
  95                 rctx->saved_render_cond = NULL;
  96         }
  97         r600_context_queries_resume(rctx);
  98 }
  99
 100 static unsigned u_num_layers(struct pipe_resource *r, unsigned level)
 101 {
 102         switch (r->target) {
 103         case PIPE_TEXTURE_CUBE:
 104                 return 6;
 105         case PIPE_TEXTURE_3D:
 106                 return u_minify(r->depth0, level);
 107         case PIPE_TEXTURE_1D_ARRAY:
 108                 return r->array_size;
 109         case PIPE_TEXTURE_2D_ARRAY:
 110                 return r->array_size;
 111         default:
 112                 return 1;
 113         }
 114 }
 115
 116 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 117 {
 118         struct r600_context *rctx = (struct r600_context *)ctx;
 119         unsigned layer, level;
 120         float depth = 1.0f;
 121
 122         if (!texture->dirty_db)
 123                 return;
 124
 125         for (level = 0; level <= texture->resource.b.b.last_level; level++) {
 126                 unsigned num_layers = u_num_layers(&texture->resource.b.b, level);
 127
 128                 for (layer = 0; layer < num_layers; layer++) {
 129                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 130
 131                         surf_tmpl.format = texture->real_format;
 132                         surf_tmpl.u.tex.level = level;
 133                         surf_tmpl.u.tex.first_layer = layer;
 134                         surf_tmpl.u.tex.last_layer = layer;
 135                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 136
 137                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 138
 139                         surf_tmpl.format = texture->flushed_depth_texture->real_format;
 140                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 141                         cbsurf = ctx->create_surface(ctx,
 142                                         (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
 143
 144                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 145                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, ~0, rctx->custom_dsa_flush, depth);
 146                         r600_blitter_end(ctx);
 147
 148                         pipe_surface_reference(&zsurf, NULL);
 149                         pipe_surface_reference(&cbsurf, NULL);
 150                 }
 151         }
 152
 153         texture->dirty_db = FALSE;
 154 }
 155
 156 void r600_flush_depth_textures(struct r600_context *rctx)
 157 {
 158         unsigned int i;
 159
 160         /* FIXME: This handles fragment shader textures only. */
 161
 162         for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
 163                 struct si_pipe_sampler_view *view;
 164                 struct r600_resource_texture *tex;
 165
 166                 view = rctx->ps_samplers.views[i];
 167                 if (!view) continue;
 168
 169                 tex = (struct r600_resource_texture *)view->base.texture;
 170                 if (!tex->depth)
 171                         continue;
 172
 173                 if (tex->is_flushing_texture)
 174                         continue;
 175
 176                 r600_blit_uncompress_depth(&rctx->context, tex);
 177         }
 178
 179         /* also check CB here */
 180         for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
 181                 struct r600_resource_texture *tex;
 182                 tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
 183
 184                 if (!tex->depth)
 185                         continue;
 186
 187                 if (tex->is_flushing_texture)
 188                         continue;
 189
 190                 r600_blit_uncompress_depth(&rctx->context, tex);
 191         }
 192 }
 193
 194 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 195                        const union pipe_color_union *color,
 196                        double depth, unsigned stencil)
 197 {
 198         struct r600_context *rctx = (struct r600_context *)ctx;
 199         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 200
 201         r600_blitter_begin(ctx, R600_CLEAR);
 202         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 203                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 204                            color, depth, stencil);
 205         r600_blitter_end(ctx);
 206 }
 207
 208 static void r600_clear_render_target(struct pipe_context *ctx,
 209                                      struct pipe_surface *dst,
 210                                      const union pipe_color_union *color,
 211                                      unsigned dstx, unsigned dsty,
 212                                      unsigned width, unsigned height)
 213 {
 214         struct r600_context *rctx = (struct r600_context *)ctx;
 215
 216         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 217         util_blitter_clear_render_target(rctx->blitter, dst, color,
 218                                          dstx, dsty, width, height);
 219         r600_blitter_end(ctx);
 220 }
 221
 222 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 223                                      struct pipe_surface *dst,
 224                                      unsigned clear_flags,
 225                                      double depth,
 226                                      unsigned stencil,
 227                                      unsigned dstx, unsigned dsty,
 228                                      unsigned width, unsigned height)
 229 {
 230         struct r600_context *rctx = (struct r600_context *)ctx;
 231
 232         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 233         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 234                                          dstx, dsty, width, height);
 235         r600_blitter_end(ctx);
 236 }
 237
 238
 239
 240 /* Copy a block of pixels from one surface to another using HW. */
 241 static void r600_hw_copy_region(struct pipe_context *ctx,
 242                                 struct pipe_resource *dst,
 243                                 unsigned dst_level,
 244                                 unsigned dstx, unsigned dsty, unsigned dstz,
 245                                 struct pipe_resource *src,
 246                                 unsigned src_level,
 247                                 const struct pipe_box *src_box)
 248 {
 249         struct r600_context *rctx = (struct r600_context *)ctx;
 250
 251         r600_blitter_begin(ctx, R600_COPY);
 252         util_blitter_copy_texture(rctx->blitter, dst, dst_level, ~0, dstx, dsty, dstz,
 253                                   src, src_level, 0, src_box);
 254         r600_blitter_end(ctx);
 255 }
 256
 257 struct texture_orig_info {
 258         unsigned format;
 259         unsigned width0;
 260         unsigned height0;
 261         unsigned npix_x;
 262         unsigned npix_y;
 263         unsigned npix0_x;
 264         unsigned npix0_y;
 265 };
 266
 267 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 268                                    unsigned level,
 269                                    struct texture_orig_info *orig)
 270 {
 271         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 272         struct r600_screen *rscreen = (struct r600_screen *)tex->screen;
 273         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 274         int new_format;
 275         int new_height, new_width;
 276
 277         orig->format = tex->format;
 278         orig->width0 = tex->width0;
 279         orig->height0 = tex->height0;
 280         orig->npix0_x = rtex->surface.level[0].npix_x;
 281         orig->npix0_y = rtex->surface.level[0].npix_y;
 282         orig->npix_x = rtex->surface.level[level].npix_x;
 283         orig->npix_y = rtex->surface.level[level].npix_y;
 284
 285         if (pixsize == 8)
 286                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 287         else
 288                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 289
 290         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 291         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 292
 293         tex->width0 = new_width;
 294         tex->height0 = new_height;
 295         tex->format = new_format;
 296         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 297         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 298         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 299         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 300 }
 301
 302 static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
 303                                                unsigned level,
 304                                                struct texture_orig_info *orig)
 305 {
 306         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 307         struct r600_screen *rscreen = (struct r600_screen *)tex->screen;
 308
 309         tex->format = orig->format;
 310         tex->width0 = orig->width0;
 311         tex->height0 = orig->height0;
 312         rtex->surface.level[0].npix_x = orig->npix0_x;
 313         rtex->surface.level[0].npix_y = orig->npix0_y;
 314         rtex->surface.level[level].npix_x = orig->npix_x;
 315         rtex->surface.level[level].npix_y = orig->npix_y;
 316 }
 317
 318 static void r600_resource_copy_region(struct pipe_context *ctx,
 319                                       struct pipe_resource *dst,
 320                                       unsigned dst_level,
 321                                       unsigned dstx, unsigned dsty, unsigned dstz,
 322                                       struct pipe_resource *src,
 323                                       unsigned src_level,
 324                                       const struct pipe_box *src_box)
 325 {
 326         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 327         struct texture_orig_info orig_info[2];
 328         struct pipe_box sbox;
 329         const struct pipe_box *psbox;
 330         boolean restore_orig[2];
 331
 332         memset(orig_info, 0, sizeof(orig_info));
 333
 334         /* Fallback for buffers. */
 335         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 336                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 337                                           src, src_level, src_box);
 338                 return;
 339         }
 340
 341         if (rsrc->depth && !rsrc->is_flushing_texture)
 342                 r600_texture_depth_flush(ctx, src, FALSE);
 343
 344         restore_orig[0] = restore_orig[1] = FALSE;
 345
 346         if (util_format_is_compressed(src->format)) {
 347                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 348                 restore_orig[0] = TRUE;
 349                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 350                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 351                 sbox.z = src_box->z;
 352                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 353                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 354                 sbox.depth = src_box->depth;
 355                 psbox=&sbox;
 356         } else
 357                 psbox=src_box;
 358
 359         if (util_format_is_compressed(dst->format)) {
 360                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 361                 restore_orig[1] = TRUE;
 362                 /* translate the dst box as well */
 363                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 364                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 365         }
 366
 367         r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 368                             src, src_level, psbox);
 369
 370         if (restore_orig[0])
 371                 r600_reset_blittable_to_compressed(src, src_level, &orig_info[0]);
 372
 373         if (restore_orig[1])
 374                 r600_reset_blittable_to_compressed(dst, dst_level, &orig_info[1]);
 375 }
 376
 377 void r600_init_blit_functions(struct r600_context *rctx)
 378 {
 379         rctx->context.clear = r600_clear;
 380         rctx->context.clear_render_target = r600_clear_render_target;
 381         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 382         rctx->context.resource_copy_region = r600_resource_copy_region;
 383 }
 384
 385 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 386 {
 387         struct pipe_box sbox;
 388
 389         sbox.x = sbox.y = sbox.z = 0;
 390         sbox.width = texture->resource.b.b.width0;
 391         sbox.height = texture->resource.b.b.height0;
 392         /* XXX that might be wrong */
 393         sbox.depth = 1;
 394
 395         r600_hw_copy_region(ctx, (struct pipe_resource *)texture, 0,
 396                             0, 0, 0,
 397                             (struct pipe_resource *)texture->flushed_depth_texture, 0,
 398                             &sbox);
 399 }