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
  28 enum r600_blitter_op /* bitmask */
  29 {
  30         R600_SAVE_TEXTURES      = 1,
  31         R600_SAVE_FRAMEBUFFER   = 2,
  32         R600_DISABLE_RENDER_COND = 4,
  33
  34         R600_CLEAR         = 0,
  35
  36         R600_CLEAR_SURFACE = R600_SAVE_FRAMEBUFFER,
  37
  38         R600_COPY          = R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
  39                              R600_DISABLE_RENDER_COND,
  40
  41         R600_DECOMPRESS    = R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
  42 };
  43
  44 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
  45 {
  46         struct r600_context *rctx = (struct r600_context *)ctx;
  47
  48         r600_context_queries_suspend(rctx);
  49
  50         util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
  51         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
  52         if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
  53                 util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  54         }
  55         util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
  56         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  57         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  58         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  59         if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
  60                 util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
  61         }
  62         util_blitter_save_vertex_buffers(rctx->blitter,
  63                                          rctx->vbuf_mgr->nr_vertex_buffers,
  64                                          rctx->vbuf_mgr->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_mode = rctx->current_render_cond_mode;
  84                 rctx->context.render_condition(&rctx->context, NULL, 0);
  85         }
  86
  87 }
  88
  89 static void r600_blitter_end(struct pipe_context *ctx)
  90 {
  91         struct r600_context *rctx = (struct r600_context *)ctx;
  92         if (rctx->saved_render_cond) {
  93                 rctx->context.render_condition(&rctx->context,
  94                                                rctx->saved_render_cond,
  95                                                rctx->saved_render_cond_mode);
  96                 rctx->saved_render_cond = NULL;
  97         }
  98         r600_context_queries_resume(rctx);
  99 }
 100
 101 static unsigned u_num_layers(struct pipe_resource *r, unsigned level)
 102 {
 103         switch (r->target) {
 104         case PIPE_TEXTURE_CUBE:
 105                 return 6;
 106         case PIPE_TEXTURE_3D:
 107                 return u_minify(r->depth0, level);
 108         case PIPE_TEXTURE_1D_ARRAY:
 109                 return r->array_size;
 110         case PIPE_TEXTURE_2D_ARRAY:
 111                 return r->array_size;
 112         default:
 113                 return 1;
 114         }
 115 }
 116
 117 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 118 {
 119         struct r600_context *rctx = (struct r600_context *)ctx;
 120         unsigned layer, level;
 121         float depth = 1.0f;
 122
 123         if (!texture->dirty_db)
 124                 return;
 125
 126         for (level = 0; level <= texture->resource.b.b.b.last_level; level++) {
 127                 unsigned num_layers = u_num_layers(&texture->resource.b.b.b, level);
 128
 129                 for (layer = 0; layer < num_layers; layer++) {
 130                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 131
 132                         surf_tmpl.format = texture->real_format;
 133                         surf_tmpl.u.tex.level = level;
 134                         surf_tmpl.u.tex.first_layer = layer;
 135                         surf_tmpl.u.tex.last_layer = layer;
 136                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 137
 138                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b.b, &surf_tmpl);
 139
 140                         surf_tmpl.format = texture->flushed_depth_texture->real_format;
 141                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 142                         cbsurf = ctx->create_surface(ctx,
 143                                         (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
 144
 145                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 146                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 147                         r600_blitter_end(ctx);
 148
 149                         pipe_surface_reference(&zsurf, NULL);
 150                         pipe_surface_reference(&cbsurf, NULL);
 151                 }
 152         }
 153
 154         texture->dirty_db = FALSE;
 155 }
 156
 157 void r600_flush_depth_textures(struct r600_context *rctx)
 158 {
 159         unsigned int i;
 160
 161         /* FIXME: This handles fragment shader textures only. */
 162
 163         for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
 164                 struct si_pipe_sampler_view *view;
 165                 struct r600_resource_texture *tex;
 166
 167                 view = rctx->ps_samplers.views[i];
 168                 if (!view) continue;
 169
 170                 tex = (struct r600_resource_texture *)view->base.texture;
 171                 if (!tex->depth)
 172                         continue;
 173
 174                 if (tex->is_flushing_texture)
 175                         continue;
 176
 177                 r600_blit_uncompress_depth(&rctx->context, tex);
 178         }
 179
 180         /* also check CB here */
 181         for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
 182                 struct r600_resource_texture *tex;
 183                 tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
 184
 185                 if (!tex->depth)
 186                         continue;
 187
 188                 if (tex->is_flushing_texture)
 189                         continue;
 190
 191                 r600_blit_uncompress_depth(&rctx->context, tex);
 192         }
 193 }
 194
 195 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 196                        const union pipe_color_union *color,
 197                        double depth, unsigned stencil)
 198 {
 199         struct r600_context *rctx = (struct r600_context *)ctx;
 200         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 201
 202         r600_blitter_begin(ctx, R600_CLEAR);
 203         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 204                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 205                            color, depth, stencil);
 206         r600_blitter_end(ctx);
 207 }
 208
 209 static void r600_clear_render_target(struct pipe_context *ctx,
 210                                      struct pipe_surface *dst,
 211                                      const union pipe_color_union *color,
 212                                      unsigned dstx, unsigned dsty,
 213                                      unsigned width, unsigned height)
 214 {
 215         struct r600_context *rctx = (struct r600_context *)ctx;
 216
 217         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 218         util_blitter_clear_render_target(rctx->blitter, dst, color,
 219                                          dstx, dsty, width, height);
 220         r600_blitter_end(ctx);
 221 }
 222
 223 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 224                                      struct pipe_surface *dst,
 225                                      unsigned clear_flags,
 226                                      double depth,
 227                                      unsigned stencil,
 228                                      unsigned dstx, unsigned dsty,
 229                                      unsigned width, unsigned height)
 230 {
 231         struct r600_context *rctx = (struct r600_context *)ctx;
 232
 233         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 234         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 235                                          dstx, dsty, width, height);
 236         r600_blitter_end(ctx);
 237 }
 238
 239
 240
 241 /* Copy a block of pixels from one surface to another using HW. */
 242 static void r600_hw_copy_region(struct pipe_context *ctx,
 243                                 struct pipe_resource *dst,
 244                                 unsigned dst_level,
 245                                 unsigned dstx, unsigned dsty, unsigned dstz,
 246                                 struct pipe_resource *src,
 247                                 unsigned src_level,
 248                                 const struct pipe_box *src_box)
 249 {
 250         struct r600_context *rctx = (struct r600_context *)ctx;
 251
 252         r600_blitter_begin(ctx, R600_COPY);
 253         util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 254                                   src, src_level, src_box, TRUE);
 255         r600_blitter_end(ctx);
 256 }
 257
 258 struct texture_orig_info {
 259         unsigned format;
 260         unsigned width0;
 261         unsigned height0;
 262 };
 263
 264 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 265                                    unsigned level,
 266                                    struct texture_orig_info *orig)
 267 {
 268         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 269         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 270         int new_format;
 271         int new_height, new_width;
 272
 273         orig->format = tex->format;
 274         orig->width0 = tex->width0;
 275         orig->height0 = tex->height0;
 276
 277         if (pixsize == 8)
 278                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 279         else
 280                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 281
 282         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 283         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 284
 285         tex->width0 = new_width;
 286         tex->height0 = new_height;
 287         tex->format = new_format;
 288 }
 289
 290 static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
 291                                                struct texture_orig_info *orig)
 292 {
 293         tex->format = orig->format;
 294         tex->width0 = orig->width0;
 295         tex->height0 = orig->height0;
 296 }
 297
 298 static void r600_resource_copy_region(struct pipe_context *ctx,
 299                                       struct pipe_resource *dst,
 300                                       unsigned dst_level,
 301                                       unsigned dstx, unsigned dsty, unsigned dstz,
 302                                       struct pipe_resource *src,
 303                                       unsigned src_level,
 304                                       const struct pipe_box *src_box)
 305 {
 306         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 307         struct texture_orig_info orig_info[2];
 308         struct pipe_box sbox;
 309         const struct pipe_box *psbox;
 310         boolean restore_orig[2];
 311
 312         memset(orig_info, 0, sizeof(orig_info));
 313
 314         /* Fallback for buffers. */
 315         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 316                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 317                                           src, src_level, src_box);
 318                 return;
 319         }
 320
 321         if (rsrc->depth && !rsrc->is_flushing_texture)
 322                 r600_texture_depth_flush(ctx, src, FALSE);
 323
 324         restore_orig[0] = restore_orig[1] = FALSE;
 325
 326         if (util_format_is_compressed(src->format)) {
 327                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 328                 restore_orig[0] = TRUE;
 329                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 330                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 331                 sbox.z = src_box->z;
 332                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 333                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 334                 sbox.depth = src_box->depth;
 335                 psbox=&sbox;
 336         } else
 337                 psbox=src_box;
 338
 339         if (util_format_is_compressed(dst->format)) {
 340                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 341                 restore_orig[1] = TRUE;
 342                 /* translate the dst box as well */
 343                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 344                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 345         }
 346
 347         r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 348                             src, src_level, psbox);
 349
 350         if (restore_orig[0])
 351                 r600_reset_blittable_to_compressed(src, &orig_info[0]);
 352
 353         if (restore_orig[1])
 354                 r600_reset_blittable_to_compressed(dst, &orig_info[1]);
 355 }
 356
 357 void r600_init_blit_functions(struct r600_context *rctx)
 358 {
 359         rctx->context.clear = r600_clear;
 360         rctx->context.clear_render_target = r600_clear_render_target;
 361         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 362         rctx->context.resource_copy_region = r600_resource_copy_region;
 363 }
 364
 365 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
 366 {
 367         struct pipe_box sbox;
 368
 369         sbox.x = sbox.y = sbox.z = 0;
 370         sbox.width = texture->resource.b.b.b.width0;
 371         sbox.height = texture->resource.b.b.b.height0;
 372         /* XXX that might be wrong */
 373         sbox.depth = 1;
 374
 375         r600_hw_copy_region(ctx, (struct pipe_resource *)texture, 0,
 376                             0, 0, 0,
 377                             (struct pipe_resource *)texture->flushed_depth_texture, 0,
 378                             &sbox);
 379 }