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_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_suspend_nontimer_queries(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->nr_vertex_buffers,
  64                                          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_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_resume_nontimer_queries(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         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
 127             rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
 128                 depth = 0.0f;
 129
 130         for (level = 0; level <= texture->resource.b.b.last_level; level++) {
 131                 unsigned num_layers = u_num_layers(&texture->resource.b.b, level);
 132
 133                 for (layer = 0; layer < num_layers; layer++) {
 134                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 135
 136                         surf_tmpl.format = texture->real_format;
 137                         surf_tmpl.u.tex.level = level;
 138                         surf_tmpl.u.tex.first_layer = layer;
 139                         surf_tmpl.u.tex.last_layer = layer;
 140                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 141
 142                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 143
 144                         surf_tmpl.format = texture->flushed_depth_texture->real_format;
 145                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 146                         cbsurf = ctx->create_surface(ctx,
 147                                         (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
 148
 149                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 150                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 151                         r600_blitter_end(ctx);
 152
 153                         pipe_surface_reference(&zsurf, NULL);
 154                         pipe_surface_reference(&cbsurf, NULL);
 155                 }
 156         }
 157
 158         texture->dirty_db = FALSE;
 159 }
 160
 161 void r600_flush_depth_textures(struct r600_context *rctx)
 162 {
 163         unsigned int i;
 164
 165         /* XXX: This handles fragment shader textures only. */
 166
 167         for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
 168                 struct r600_pipe_sampler_view *view;
 169                 struct r600_resource_texture *tex;
 170
 171                 view = rctx->ps_samplers.views[i];
 172                 if (!view) continue;
 173
 174                 tex = (struct r600_resource_texture *)view->base.texture;
 175                 if (!tex->is_depth)
 176                         continue;
 177
 178                 if (tex->is_flushing_texture)
 179                         continue;
 180
 181                 r600_blit_uncompress_depth(&rctx->context, tex);
 182         }
 183
 184         /* also check CB here */
 185         for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
 186                 struct r600_resource_texture *tex;
 187                 tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
 188
 189                 if (!tex->is_depth)
 190                         continue;
 191
 192                 if (tex->is_flushing_texture)
 193                         continue;
 194
 195                 r600_blit_uncompress_depth(&rctx->context, tex);
 196         }
 197 }
 198
 199 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 200                        const union pipe_color_union *color,
 201                        double depth, unsigned stencil)
 202 {
 203         struct r600_context *rctx = (struct r600_context *)ctx;
 204         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 205
 206         r600_blitter_begin(ctx, R600_CLEAR);
 207         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 208                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 209                            color, depth, stencil);
 210         r600_blitter_end(ctx);
 211 }
 212
 213 static void r600_clear_render_target(struct pipe_context *ctx,
 214                                      struct pipe_surface *dst,
 215                                      const union pipe_color_union *color,
 216                                      unsigned dstx, unsigned dsty,
 217                                      unsigned width, unsigned height)
 218 {
 219         struct r600_context *rctx = (struct r600_context *)ctx;
 220
 221         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 222         util_blitter_clear_render_target(rctx->blitter, dst, color,
 223                                          dstx, dsty, width, height);
 224         r600_blitter_end(ctx);
 225 }
 226
 227 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 228                                      struct pipe_surface *dst,
 229                                      unsigned clear_flags,
 230                                      double depth,
 231                                      unsigned stencil,
 232                                      unsigned dstx, unsigned dsty,
 233                                      unsigned width, unsigned height)
 234 {
 235         struct r600_context *rctx = (struct r600_context *)ctx;
 236
 237         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 238         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 239                                          dstx, dsty, width, height);
 240         r600_blitter_end(ctx);
 241 }
 242
 243 struct texture_orig_info {
 244         unsigned format;
 245         unsigned width0;
 246         unsigned height0;
 247         unsigned npix_x;
 248         unsigned npix_y;
 249         unsigned npix0_x;
 250         unsigned npix0_y;
 251 };
 252
 253 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 254                                    unsigned level,
 255                                    struct texture_orig_info *orig)
 256 {
 257         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 258         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 259         int new_format;
 260         int new_height, new_width;
 261
 262         orig->format = tex->format;
 263         orig->width0 = tex->width0;
 264         orig->height0 = tex->height0;
 265         orig->npix0_x = rtex->surface.level[0].npix_x;
 266         orig->npix0_y = rtex->surface.level[0].npix_y;
 267         orig->npix_x = rtex->surface.level[level].npix_x;
 268         orig->npix_y = rtex->surface.level[level].npix_y;
 269
 270         if (pixsize == 8)
 271                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 272         else
 273                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 274
 275         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 276         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 277
 278         tex->width0 = new_width;
 279         tex->height0 = new_height;
 280         tex->format = new_format;
 281         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 282         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 283         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 284         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 285 }
 286
 287 static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
 288                                                unsigned level,
 289                                                struct texture_orig_info *orig)
 290 {
 291         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 292
 293         tex->format = orig->format;
 294         tex->width0 = orig->width0;
 295         tex->height0 = orig->height0;
 296         rtex->surface.level[0].npix_x = orig->npix0_x;
 297         rtex->surface.level[0].npix_y = orig->npix0_y;
 298         rtex->surface.level[level].npix_x = orig->npix_x;
 299         rtex->surface.level[level].npix_y = orig->npix_y;
 300 }
 301
 302 static void r600_resource_copy_region(struct pipe_context *ctx,
 303                                       struct pipe_resource *dst,
 304                                       unsigned dst_level,
 305                                       unsigned dstx, unsigned dsty, unsigned dstz,
 306                                       struct pipe_resource *src,
 307                                       unsigned src_level,
 308                                       const struct pipe_box *src_box)
 309 {
 310         struct r600_context *rctx = (struct r600_context *)ctx;
 311         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 312         struct texture_orig_info orig_info[2];
 313         struct pipe_box sbox;
 314         const struct pipe_box *psbox;
 315         boolean restore_orig[2];
 316
 317         memset(orig_info, 0, sizeof(orig_info));
 318
 319         /* Fallback for buffers. */
 320         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 321                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 322                                           src, src_level, src_box);
 323                 return;
 324         }
 325
 326         if (rsrc->is_depth && !rsrc->is_flushing_texture)
 327                 r600_texture_depth_flush(ctx, src);
 328
 329         restore_orig[0] = restore_orig[1] = FALSE;
 330
 331         if (util_format_is_compressed(src->format)) {
 332                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 333                 restore_orig[0] = TRUE;
 334                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 335                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 336                 sbox.z = src_box->z;
 337                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 338                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 339                 sbox.depth = src_box->depth;
 340                 psbox=&sbox;
 341         } else
 342                 psbox=src_box;
 343
 344         if (util_format_is_compressed(dst->format)) {
 345                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 346                 restore_orig[1] = TRUE;
 347                 /* translate the dst box as well */
 348                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 349                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 350         }
 351
 352         r600_blitter_begin(ctx, R600_COPY);
 353         util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 354                                   src, src_level, psbox, TRUE);
 355         r600_blitter_end(ctx);
 356
 357         if (restore_orig[0])
 358                 r600_reset_blittable_to_compressed(src, src_level, &orig_info[0]);
 359
 360         if (restore_orig[1])
 361                 r600_reset_blittable_to_compressed(dst, dst_level, &orig_info[1]);
 362 }
 363
 364 void r600_init_blit_functions(struct r600_context *rctx)
 365 {
 366         rctx->context.clear = r600_clear;
 367         rctx->context.clear_render_target = r600_clear_render_target;
 368         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 369         rctx->context.resource_copy_region = r600_resource_copy_region;
 370 }