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,
 118                 struct r600_resource_texture *texture,
 119                 struct r600_resource_texture *staging)
 120 {
 121         struct r600_context *rctx = (struct r600_context *)ctx;
 122         unsigned layer, level;
 123         float depth = 1.0f;
 124         struct r600_resource_texture *flushed_depth_texture = staging ?
 125                         staging : texture->flushed_depth_texture;
 126
 127         if (!staging && !texture->dirty_db)
 128                 return;
 129
 130         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
 131             rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
 132                 depth = 0.0f;
 133
 134         for (level = 0; level <= texture->resource.b.b.last_level; level++) {
 135                 unsigned num_layers = u_num_layers(&texture->resource.b.b, level);
 136
 137                 for (layer = 0; layer < num_layers; layer++) {
 138                         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
 139
 140                         surf_tmpl.format = texture->real_format;
 141                         surf_tmpl.u.tex.level = level;
 142                         surf_tmpl.u.tex.first_layer = layer;
 143                         surf_tmpl.u.tex.last_layer = layer;
 144                         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
 145
 146                         zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
 147
 148                         surf_tmpl.format = flushed_depth_texture->real_format;
 149                         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
 150                         cbsurf = ctx->create_surface(ctx,
 151                                         (struct pipe_resource*)flushed_depth_texture, &surf_tmpl);
 152
 153                         r600_blitter_begin(ctx, R600_DECOMPRESS);
 154                         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 155                         r600_blitter_end(ctx);
 156
 157                         pipe_surface_reference(&zsurf, NULL);
 158                         pipe_surface_reference(&cbsurf, NULL);
 159                 }
 160         }
 161
 162         if (!staging)
 163                 texture->dirty_db = FALSE;
 164 }
 165
 166 void r600_flush_depth_textures(struct r600_context *rctx)
 167 {
 168         unsigned int i;
 169
 170         /* XXX: This handles fragment shader textures only. */
 171
 172         for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
 173                 struct r600_pipe_sampler_view *view;
 174                 struct r600_resource_texture *tex;
 175
 176                 view = rctx->ps_samplers.views[i];
 177                 if (!view) continue;
 178
 179                 tex = (struct r600_resource_texture *)view->base.texture;
 180                 if (!tex->is_depth)
 181                         continue;
 182
 183                 if (tex->is_flushing_texture)
 184                         continue;
 185
 186                 r600_blit_uncompress_depth(&rctx->context, tex, NULL);
 187         }
 188
 189         /* also check CB here */
 190         for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
 191                 struct r600_resource_texture *tex;
 192                 tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
 193
 194                 if (!tex->is_depth)
 195                         continue;
 196
 197                 if (tex->is_flushing_texture)
 198                         continue;
 199
 200                 r600_blit_uncompress_depth(&rctx->context, tex, NULL);
 201         }
 202 }
 203
 204 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 205                        const union pipe_color_union *color,
 206                        double depth, unsigned stencil)
 207 {
 208         struct r600_context *rctx = (struct r600_context *)ctx;
 209         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 210
 211         r600_blitter_begin(ctx, R600_CLEAR);
 212         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 213                            fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
 214                            color, depth, stencil);
 215         r600_blitter_end(ctx);
 216 }
 217
 218 static void r600_clear_render_target(struct pipe_context *ctx,
 219                                      struct pipe_surface *dst,
 220                                      const union pipe_color_union *color,
 221                                      unsigned dstx, unsigned dsty,
 222                                      unsigned width, unsigned height)
 223 {
 224         struct r600_context *rctx = (struct r600_context *)ctx;
 225
 226         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 227         util_blitter_clear_render_target(rctx->blitter, dst, color,
 228                                          dstx, dsty, width, height);
 229         r600_blitter_end(ctx);
 230 }
 231
 232 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 233                                      struct pipe_surface *dst,
 234                                      unsigned clear_flags,
 235                                      double depth,
 236                                      unsigned stencil,
 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_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 244                                          dstx, dsty, width, height);
 245         r600_blitter_end(ctx);
 246 }
 247
 248 struct texture_orig_info {
 249         unsigned format;
 250         unsigned width0;
 251         unsigned height0;
 252         unsigned npix_x;
 253         unsigned npix_y;
 254         unsigned npix0_x;
 255         unsigned npix0_y;
 256 };
 257
 258 static void r600_compressed_to_blittable(struct pipe_resource *tex,
 259                                    unsigned level,
 260                                    struct texture_orig_info *orig)
 261 {
 262         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 263         unsigned pixsize = util_format_get_blocksize(rtex->real_format);
 264         int new_format;
 265         int new_height, new_width;
 266
 267         orig->format = tex->format;
 268         orig->width0 = tex->width0;
 269         orig->height0 = tex->height0;
 270         orig->npix0_x = rtex->surface.level[0].npix_x;
 271         orig->npix0_y = rtex->surface.level[0].npix_y;
 272         orig->npix_x = rtex->surface.level[level].npix_x;
 273         orig->npix_y = rtex->surface.level[level].npix_y;
 274
 275         if (pixsize == 8)
 276                 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
 277         else
 278                 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
 279
 280         new_width = util_format_get_nblocksx(tex->format, orig->width0);
 281         new_height = util_format_get_nblocksy(tex->format, orig->height0);
 282
 283         tex->width0 = new_width;
 284         tex->height0 = new_height;
 285         tex->format = new_format;
 286         rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
 287         rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
 288         rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
 289         rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 290 }
 291
 292 static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
 293                                                unsigned level,
 294                                                struct texture_orig_info *orig)
 295 {
 296         struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
 297
 298         tex->format = orig->format;
 299         tex->width0 = orig->width0;
 300         tex->height0 = orig->height0;
 301         rtex->surface.level[0].npix_x = orig->npix0_x;
 302         rtex->surface.level[0].npix_y = orig->npix0_y;
 303         rtex->surface.level[level].npix_x = orig->npix_x;
 304         rtex->surface.level[level].npix_y = orig->npix_y;
 305 }
 306
 307 static void r600_resource_copy_region(struct pipe_context *ctx,
 308                                       struct pipe_resource *dst,
 309                                       unsigned dst_level,
 310                                       unsigned dstx, unsigned dsty, unsigned dstz,
 311                                       struct pipe_resource *src,
 312                                       unsigned src_level,
 313                                       const struct pipe_box *src_box)
 314 {
 315         struct r600_context *rctx = (struct r600_context *)ctx;
 316         struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
 317         struct texture_orig_info orig_info[2];
 318         struct pipe_box sbox;
 319         const struct pipe_box *psbox;
 320         boolean restore_orig[2];
 321
 322         memset(orig_info, 0, sizeof(orig_info));
 323
 324         /* Fallback for buffers. */
 325         if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 326                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 327                                           src, src_level, src_box);
 328                 return;
 329         }
 330
 331         if (rsrc->is_depth && !rsrc->is_flushing_texture)
 332                 r600_texture_depth_flush(ctx, src, NULL);
 333
 334         restore_orig[0] = restore_orig[1] = FALSE;
 335
 336         if (util_format_is_compressed(src->format)) {
 337                 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
 338                 restore_orig[0] = TRUE;
 339                 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
 340                 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
 341                 sbox.z = src_box->z;
 342                 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
 343                 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
 344                 sbox.depth = src_box->depth;
 345                 psbox=&sbox;
 346         } else
 347                 psbox=src_box;
 348
 349         if (util_format_is_compressed(dst->format)) {
 350                 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
 351                 restore_orig[1] = TRUE;
 352                 /* translate the dst box as well */
 353                 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
 354                 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
 355         }
 356
 357         r600_blitter_begin(ctx, R600_COPY);
 358         util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 359                                   src, src_level, psbox, TRUE);
 360         r600_blitter_end(ctx);
 361
 362         if (restore_orig[0])
 363                 r600_reset_blittable_to_compressed(src, src_level, &orig_info[0]);
 364
 365         if (restore_orig[1])
 366                 r600_reset_blittable_to_compressed(dst, dst_level, &orig_info[1]);
 367 }
 368
 369 void r600_init_blit_functions(struct r600_context *rctx)
 370 {
 371         rctx->context.clear = r600_clear;
 372         rctx->context.clear_render_target = r600_clear_render_target;
 373         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 374         rctx->context.resource_copy_region = r600_resource_copy_region;
 375 }