src/gallium/drivers/svga/svga_pipe_blit.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga_context.h"
  27 #include "svga_debug.h"
  28 #include "svga_cmd.h"
  29 #include "svga_resource_buffer.h"
  30 #include "svga_resource_texture.h"
  31 #include "svga_surface.h"
  32
  33 //#include "util/u_blit_sw.h"
  34 #include "util/u_format.h"
  35 #include "util/u_surface.h"
  36
  37 #define FILE_DEBUG_FLAG DEBUG_BLIT
  38
  39
  40 /**
  41  * Copy an image between textures with the vgpu10 CopyRegion command.
  42  */
  43 static void
  44 copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex,
  45                     unsigned src_x, unsigned src_y, unsigned src_z,
  46                     unsigned src_level, unsigned src_face,
  47                     struct pipe_resource *dst_tex,
  48                     unsigned dst_x, unsigned dst_y, unsigned dst_z,
  49                     unsigned dst_level, unsigned dst_face,
  50                     unsigned width, unsigned height, unsigned depth)
  51 {
  52    enum pipe_error ret;
  53    uint32 srcSubResource, dstSubResource;
  54    struct svga_texture *dtex, *stex;
  55    SVGA3dCopyBox box;
  56    int i, num_layers = 1;
  57
  58    stex = svga_texture(src_tex);
  59    dtex = svga_texture(dst_tex);
  60
  61    box.x = dst_x;
  62    box.y = dst_y;
  63    box.z = dst_z;
  64    box.w = width;
  65    box.h = height;
  66    box.d = depth;
  67    box.srcx = src_x;
  68    box.srcy = src_y;
  69    box.srcz = src_z;
  70
  71    if (src_tex->target == PIPE_TEXTURE_1D_ARRAY ||
  72        src_tex->target == PIPE_TEXTURE_2D_ARRAY) {
  73       /* copy layer by layer */
  74       box.z = 0;
  75       box.d = 1;
  76       box.srcz = 0;
  77
  78       num_layers = depth;
  79       src_face = src_z;
  80       dst_face = dst_z;
  81    }
  82
  83    /* loop over array layers */
  84    for (i = 0; i < num_layers; i++) {
  85       srcSubResource = (src_face + i) * (src_tex->last_level + 1) + src_level;
  86       dstSubResource = (dst_face + i) * (dst_tex->last_level + 1) + dst_level;
  87
  88       ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  89                                          dtex->handle, dstSubResource,
  90                                          stex->handle, srcSubResource, &box);
  91       if (ret != PIPE_OK) {
  92          svga_context_flush(svga, NULL);
  93          ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  94                                             dtex->handle, dstSubResource,
  95                                             stex->handle, srcSubResource, &box);
  96          assert(ret == PIPE_OK);
  97       }
  98
  99       svga_define_texture_level(dtex, dst_face + i, dst_level);
 100    }
 101 }
 102
 103
 104 static void
 105 svga_resource_copy_region(struct pipe_context *pipe,
 106                           struct pipe_resource *dst_tex,
 107                           unsigned dst_level,
 108                           unsigned dstx, unsigned dsty, unsigned dstz,
 109                           struct pipe_resource *src_tex,
 110                           unsigned src_level,
 111                           const struct pipe_box *src_box)
 112 {
 113    struct svga_context *svga = svga_context(pipe);
 114    struct svga_texture *stex, *dtex;
 115    unsigned dst_face_layer, dst_z, src_face_layer, src_z;
 116
 117    /* Emit buffered drawing commands, and any back copies.
 118     */
 119    svga_surfaces_flush( svga );
 120
 121    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
 122       /* can't copy within the same buffer, unfortunately */
 123       if (svga_have_vgpu10(svga) && src_tex != dst_tex) {
 124          enum pipe_error ret;
 125          struct svga_winsys_surface *src_surf;
 126          struct svga_winsys_surface *dst_surf;
 127          struct svga_buffer *dbuffer = svga_buffer(dst_tex);
 128
 129          src_surf = svga_buffer_handle(svga, src_tex);
 130          dst_surf = svga_buffer_handle(svga, dst_tex);
 131
 132          ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 133                                         src_box->x, dstx, src_box->width);
 134          if (ret != PIPE_OK) {
 135             svga_context_flush(svga, NULL);
 136             ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 137                                            src_box->x, dstx, src_box->width);
 138             assert(ret == PIPE_OK);
 139          }
 140
 141          dbuffer->dirty = TRUE;
 142       }
 143       else {
 144          /* use map/memcpy fallback */
 145          util_resource_copy_region(pipe, dst_tex, dst_level, dstx,
 146                                    dsty, dstz, src_tex, src_level, src_box);
 147       }
 148       return;
 149    }
 150
 151    stex = svga_texture(src_tex);
 152    dtex = svga_texture(dst_tex);
 153
 154    if (src_tex->target == PIPE_TEXTURE_CUBE ||
 155        src_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 156       src_face_layer = src_box->z;
 157       src_z = 0;
 158       assert(src_box->depth == 1);
 159    }
 160    else {
 161       src_face_layer = 0;
 162       src_z = src_box->z;
 163    }
 164
 165    if (dst_tex->target == PIPE_TEXTURE_CUBE ||
 166        dst_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 167       dst_face_layer = dstz;
 168       dst_z = 0;
 169       assert(src_box->depth == 1);
 170    }
 171    else {
 172       dst_face_layer = 0;
 173       dst_z = dstz;
 174    }
 175
 176    stex = svga_texture(src_tex);
 177    dtex = svga_texture(dst_tex);
 178
 179    if (svga_have_vgpu10(svga)) {
 180       /* vgpu10 */
 181       if (util_format_is_compressed(src_tex->format) ==
 182           util_format_is_compressed(dst_tex->format) &&
 183           !util_format_is_depth_and_stencil(src_tex->format) &&
 184           stex->handle != dtex->handle &&
 185           src_tex->target == dst_tex->target) {
 186          copy_region_vgpu10(svga,
 187                             src_tex,
 188                             src_box->x, src_box->y, src_z,
 189                             src_level, src_face_layer,
 190                             dst_tex,
 191                             dstx, dsty, dst_z,
 192                             dst_level, dst_face_layer,
 193                             src_box->width, src_box->height, src_box->depth);
 194       }
 195       else {
 196          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 197                                    src_tex, src_level, src_box);
 198       }
 199    }
 200    else {
 201       /* vgpu9 */
 202       if (src_tex->format == dst_tex->format) {
 203          svga_texture_copy_handle(svga,
 204                                   stex->handle,
 205                                   src_box->x, src_box->y, src_z,
 206                                   src_level, src_face_layer,
 207                                   dtex->handle,
 208                                   dstx, dsty, dst_z,
 209                                    dst_level, dst_face_layer,
 210                                   src_box->width, src_box->height,
 211                                   src_box->depth);
 212       }
 213       else {
 214          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 215                                    src_tex, src_level, src_box);
 216       }
 217    }
 218
 219    /* Mark the destination image as being defined */
 220    svga_define_texture_level(dtex, dst_face_layer, dst_level);
 221 }
 222
 223
 224 /**
 225  * The state tracker implements some resource copies with blits (for
 226  * GL_ARB_copy_image).  This function checks if we should really do the blit
 227  * with a VGPU10 CopyRegion command or software fallback (for incompatible
 228  * src/dst formats).
 229  */
 230 static bool
 231 can_blit_via_copy_region_vgpu10(struct svga_context *svga,
 232                                 const struct pipe_blit_info *blit_info)
 233 {
 234    struct svga_texture *dtex, *stex;
 235
 236    if (!svga_have_vgpu10(svga))
 237       return false;
 238
 239    stex = svga_texture(blit_info->src.resource);
 240    dtex = svga_texture(blit_info->src.resource);
 241
 242    // can't copy within one resource
 243    if (stex->handle == dtex->handle)
 244       return false;
 245
 246    // can't copy between different resource types
 247    if (blit_info->src.resource->target != blit_info->dst.resource->target)
 248       return false;
 249
 250    // check that the blit src/dst regions are same size, no flipping, etc.
 251    if (blit_info->src.box.width != blit_info->dst.box.width ||
 252        blit_info->src.box.height != blit_info->dst.box.height)
 253       return false;
 254
 255    // depth/stencil copies not supported at this time
 256    if (blit_info->mask != PIPE_MASK_RGBA)
 257       return false;
 258
 259    if (blit_info->alpha_blend || blit_info->render_condition_enable ||
 260        blit_info->scissor_enable)
 261       return false;
 262
 263    // check that src/dst surface formats are compatible for the VGPU device.
 264    return util_is_format_compatible(
 265         util_format_description(blit_info->src.resource->format),
 266         util_format_description(blit_info->dst.resource->format));
 267 }
 268
 269
 270 static void
 271 svga_blit(struct pipe_context *pipe,
 272           const struct pipe_blit_info *blit_info)
 273 {
 274    struct svga_context *svga = svga_context(pipe);
 275
 276    if (!svga_have_vgpu10(svga) &&
 277        blit_info->src.resource->nr_samples > 1 &&
 278        blit_info->dst.resource->nr_samples <= 1 &&
 279        !util_format_is_depth_or_stencil(blit_info->src.resource->format) &&
 280        !util_format_is_pure_integer(blit_info->src.resource->format)) {
 281       debug_printf("svga: color resolve unimplemented\n");
 282       return;
 283    }
 284
 285    if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
 286       unsigned src_face, src_z, dst_face, dst_z;
 287
 288       if (blit_info->src.resource->target == PIPE_TEXTURE_CUBE) {
 289          src_face = blit_info->src.box.z;
 290          src_z = 0;
 291          assert(blit_info->src.box.depth == 1);
 292       }
 293       else {
 294          src_face = 0;
 295          src_z = blit_info->src.box.z;
 296       }
 297
 298       if (blit_info->dst.resource->target == PIPE_TEXTURE_CUBE) {
 299          dst_face = blit_info->dst.box.z;
 300          dst_z = 0;
 301          assert(blit_info->src.box.depth == 1);
 302       }
 303       else {
 304          dst_face = 0;
 305          dst_z = blit_info->dst.box.z;
 306       }
 307
 308       copy_region_vgpu10(svga,
 309                          blit_info->src.resource,
 310                          blit_info->src.box.x, blit_info->src.box.y, src_z,
 311                          blit_info->src.level, src_face,
 312                          blit_info->dst.resource,
 313                          blit_info->dst.box.x, blit_info->dst.box.y, dst_z,
 314                          blit_info->dst.level, dst_face,
 315                          blit_info->src.box.width, blit_info->src.box.height,
 316                          blit_info->src.box.depth);
 317       return;
 318    }
 319
 320    if (util_can_blit_via_copy_region(blit_info, TRUE) ||
 321        util_can_blit_via_copy_region(blit_info, FALSE)) {
 322       util_resource_copy_region(pipe, blit_info->dst.resource,
 323                                 blit_info->dst.level,
 324                                 blit_info->dst.box.x, blit_info->dst.box.y,
 325                                 blit_info->dst.box.z, blit_info->src.resource,
 326                                 blit_info->src.level, &blit_info->src.box);
 327       return; /* done */
 328    }
 329
 330    if ((blit_info->mask & PIPE_MASK_S) ||
 331        !util_blitter_is_blit_supported(svga->blitter, blit_info)) {
 332       debug_printf("svga: blit unsupported %s -> %s\n",
 333                    util_format_short_name(blit_info->src.resource->format),
 334                    util_format_short_name(blit_info->dst.resource->format));
 335       return;
 336    }
 337
 338    /* XXX turn off occlusion and streamout queries */
 339
 340    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
 341    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
 342    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
 343    util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
 344    util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
 345                      (struct pipe_stream_output_target**)svga->so_targets);
 346    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
 347    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
 348    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
 349    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
 350    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
 351    util_blitter_save_depth_stencil_alpha(svga->blitter,
 352                                          (void*)svga->curr.depth);
 353    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
 354    util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
 355    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
 356    util_blitter_save_fragment_sampler_states(svga->blitter,
 357                      svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
 358                      (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
 359    util_blitter_save_fragment_sampler_views(svga->blitter,
 360                      svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
 361                      svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
 362    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
 363                                       svga->render_cond_cond, svga->render_cond_mode);*/
 364    util_blitter_blit(svga->blitter, blit_info);
 365 }
 366
 367
 368 static void
 369 svga_flush_resource(struct pipe_context *pipe,
 370                     struct pipe_resource *resource)
 371 {
 372 }
 373
 374
 375 void
 376 svga_init_blit_functions(struct svga_context *svga)
 377 {
 378    svga->pipe.resource_copy_region = svga_resource_copy_region;
 379    svga->pipe.blit = svga_blit;
 380    svga->pipe.flush_resource = svga_flush_resource;
 381 }