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_resource_texture.h"
  27 #include "svga_context.h"
  28 #include "svga_debug.h"
  29 #include "svga_cmd.h"
  30 #include "svga_surface.h"
  31
  32 //#include "util/u_blit_sw.h"
  33 #include "util/u_format.h"
  34 #include "util/u_surface.h"
  35
  36 #define FILE_DEBUG_FLAG DEBUG_BLIT
  37
  38
  39 /**
  40  * Copy an image between textures with the vgpu10 CopyRegion command.
  41  */
  42 static void
  43 copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex,
  44                     unsigned src_x, unsigned src_y, unsigned src_z,
  45                     unsigned src_level, unsigned src_face,
  46                     struct pipe_resource *dst_tex,
  47                     unsigned dst_x, unsigned dst_y, unsigned dst_z,
  48                     unsigned dst_level, unsigned dst_face,
  49                     unsigned width, unsigned height, unsigned depth)
  50 {
  51    enum pipe_error ret;
  52    uint32 srcSubResource, dstSubResource;
  53    struct svga_texture *dtex, *stex;
  54    SVGA3dCopyBox box;
  55    int i, num_layers = 1;
  56
  57    stex = svga_texture(src_tex);
  58    dtex = svga_texture(dst_tex);
  59
  60    box.x = dst_x;
  61    box.y = dst_y;
  62    box.z = dst_z;
  63    box.w = width;
  64    box.h = height;
  65    box.d = depth;
  66    box.srcx = src_x;
  67    box.srcy = src_y;
  68    box.srcz = src_z;
  69
  70    if (src_tex->target == PIPE_TEXTURE_1D_ARRAY ||
  71        src_tex->target == PIPE_TEXTURE_2D_ARRAY) {
  72       /* copy layer by layer */
  73       box.z = 0;
  74       box.d = 1;
  75       box.srcz = 0;
  76
  77       num_layers = depth;
  78       src_face = src_z;
  79       dst_face = dst_z;
  80    }
  81
  82    /* loop over array layers */
  83    for (i = 0; i < num_layers; i++) {
  84       srcSubResource = (src_face + i) * (src_tex->last_level + 1) + src_level;
  85       dstSubResource = (dst_face + i) * (dst_tex->last_level + 1) + dst_level;
  86
  87       ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  88                                          dtex->handle, dstSubResource,
  89                                          stex->handle, srcSubResource, &box);
  90       if (ret != PIPE_OK) {
  91          svga_context_flush(svga, NULL);
  92          ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  93                                             dtex->handle, dstSubResource,
  94                                             stex->handle, srcSubResource, &box);
  95          assert(ret == PIPE_OK);
  96       }
  97
  98       svga_define_texture_level(dtex, dst_face + i, dst_level);
  99    }
 100 }
 101
 102
 103 static void
 104 svga_resource_copy_region(struct pipe_context *pipe,
 105                           struct pipe_resource *dst_tex,
 106                           unsigned dst_level,
 107                           unsigned dstx, unsigned dsty, unsigned dstz,
 108                           struct pipe_resource *src_tex,
 109                           unsigned src_level,
 110                           const struct pipe_box *src_box)
 111 {
 112    struct svga_context *svga = svga_context(pipe);
 113    struct svga_texture *stex, *dtex;
 114    unsigned dst_face_layer, dst_z, src_face_layer, src_z;
 115
 116    /* Emit buffered drawing commands, and any back copies.
 117     */
 118    svga_surfaces_flush( svga );
 119
 120    /* Fallback for buffers. */
 121    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
 122       util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 123                                 src_tex, src_level, src_box);
 124       return;
 125    }
 126
 127    stex = svga_texture(src_tex);
 128    dtex = svga_texture(dst_tex);
 129
 130    if (src_tex->target == PIPE_TEXTURE_CUBE ||
 131        src_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 132       src_face_layer = src_box->z;
 133       src_z = 0;
 134       assert(src_box->depth == 1);
 135    }
 136    else {
 137       src_face_layer = 0;
 138       src_z = src_box->z;
 139    }
 140
 141    if (dst_tex->target == PIPE_TEXTURE_CUBE ||
 142        dst_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 143       dst_face_layer = dstz;
 144       dst_z = 0;
 145       assert(src_box->depth == 1);
 146    }
 147    else {
 148       dst_face_layer = 0;
 149       dst_z = dstz;
 150    }
 151
 152    stex = svga_texture(src_tex);
 153    dtex = svga_texture(dst_tex);
 154
 155    if (svga_have_vgpu10(svga)) {
 156       /* vgpu10 */
 157       if (util_format_is_compressed(src_tex->format) ==
 158           util_format_is_compressed(dst_tex->format) &&
 159           !util_format_is_depth_and_stencil(src_tex->format) &&
 160           stex->handle != dtex->handle &&
 161           src_tex->target == dst_tex->target) {
 162          copy_region_vgpu10(svga,
 163                             src_tex,
 164                             src_box->x, src_box->y, src_z,
 165                             src_level, src_face_layer,
 166                             dst_tex,
 167                             dstx, dsty, dst_z,
 168                             dst_level, dst_face_layer,
 169                             src_box->width, src_box->height, src_box->depth);
 170       }
 171       else {
 172          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 173                                    src_tex, src_level, src_box);
 174       }
 175    }
 176    else {
 177       /* vgpu9 */
 178       if (src_tex->format == dst_tex->format) {
 179          svga_texture_copy_handle(svga,
 180                                   stex->handle,
 181                                   src_box->x, src_box->y, src_z,
 182                                   src_level, src_face_layer,
 183                                   dtex->handle,
 184                                   dstx, dsty, dst_z,
 185                                    dst_level, dst_face_layer,
 186                                   src_box->width, src_box->height,
 187                                   src_box->depth);
 188       }
 189       else {
 190          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 191                                    src_tex, src_level, src_box);
 192       }
 193    }
 194
 195    /* Mark the destination image as being defined */
 196    svga_define_texture_level(dtex, dst_face_layer, dst_level);
 197 }
 198
 199
 200 /**
 201  * The state tracker implements some resource copies with blits (for
 202  * GL_ARB_copy_image).  This function checks if we should really do the blit
 203  * with a VGPU10 CopyRegion command or software fallback (for incompatible
 204  * src/dst formats).
 205  */
 206 static bool
 207 can_blit_via_copy_region_vgpu10(struct svga_context *svga,
 208                                 const struct pipe_blit_info *blit_info)
 209 {
 210    struct svga_texture *dtex, *stex;
 211
 212    if (!svga_have_vgpu10(svga))
 213       return false;
 214
 215    stex = svga_texture(blit_info->src.resource);
 216    dtex = svga_texture(blit_info->src.resource);
 217
 218    // can't copy within one resource
 219    if (stex->handle == dtex->handle)
 220       return false;
 221
 222    // can't copy between different resource types
 223    if (blit_info->src.resource->target != blit_info->dst.resource->target)
 224       return false;
 225
 226    // check that the blit src/dst regions are same size, no flipping, etc.
 227    if (blit_info->src.box.width != blit_info->dst.box.width ||
 228        blit_info->src.box.height != blit_info->dst.box.height)
 229       return false;
 230
 231    // depth/stencil copies not supported at this time
 232    if (blit_info->mask != PIPE_MASK_RGBA)
 233       return false;
 234
 235    if (blit_info->alpha_blend || blit_info->render_condition_enable ||
 236        blit_info->scissor_enable)
 237       return false;
 238
 239    // check that src/dst surface formats are compatible for the VGPU device.
 240    return util_is_format_compatible(
 241         util_format_description(blit_info->src.resource->format),
 242         util_format_description(blit_info->dst.resource->format));
 243 }
 244
 245
 246 static void
 247 svga_blit(struct pipe_context *pipe,
 248           const struct pipe_blit_info *blit_info)
 249 {
 250    struct svga_context *svga = svga_context(pipe);
 251
 252    if (!svga_have_vgpu10(svga) &&
 253        blit_info->src.resource->nr_samples > 1 &&
 254        blit_info->dst.resource->nr_samples <= 1 &&
 255        !util_format_is_depth_or_stencil(blit_info->src.resource->format) &&
 256        !util_format_is_pure_integer(blit_info->src.resource->format)) {
 257       debug_printf("svga: color resolve unimplemented\n");
 258       return;
 259    }
 260
 261    if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
 262       unsigned src_face, src_z, dst_face, dst_z;
 263
 264       if (blit_info->src.resource->target == PIPE_TEXTURE_CUBE) {
 265          src_face = blit_info->src.box.z;
 266          src_z = 0;
 267          assert(blit_info->src.box.depth == 1);
 268       }
 269       else {
 270          src_face = 0;
 271          src_z = blit_info->src.box.z;
 272       }
 273
 274       if (blit_info->dst.resource->target == PIPE_TEXTURE_CUBE) {
 275          dst_face = blit_info->dst.box.z;
 276          dst_z = 0;
 277          assert(blit_info->src.box.depth == 1);
 278       }
 279       else {
 280          dst_face = 0;
 281          dst_z = blit_info->dst.box.z;
 282       }
 283
 284       copy_region_vgpu10(svga,
 285                          blit_info->src.resource,
 286                          blit_info->src.box.x, blit_info->src.box.y, src_z,
 287                          blit_info->src.level, src_face,
 288                          blit_info->dst.resource,
 289                          blit_info->dst.box.x, blit_info->dst.box.y, dst_z,
 290                          blit_info->dst.level, dst_face,
 291                          blit_info->src.box.width, blit_info->src.box.height,
 292                          blit_info->src.box.depth);
 293       return;
 294    }
 295
 296    if (util_try_blit_via_copy_region(pipe, blit_info)) {
 297       return; /* done */
 298    }
 299
 300    if ((blit_info->mask & PIPE_MASK_S) ||
 301        !util_blitter_is_blit_supported(svga->blitter, blit_info)) {
 302       debug_printf("svga: blit unsupported %s -> %s\n",
 303                    util_format_short_name(blit_info->src.resource->format),
 304                    util_format_short_name(blit_info->dst.resource->format));
 305       return;
 306    }
 307
 308    /* XXX turn off occlusion and streamout queries */
 309
 310    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
 311    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
 312    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
 313    util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
 314    util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
 315                      (struct pipe_stream_output_target**)svga->so_targets);
 316    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
 317    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
 318    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
 319    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
 320    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
 321    util_blitter_save_depth_stencil_alpha(svga->blitter,
 322                                          (void*)svga->curr.depth);
 323    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
 324    util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
 325    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
 326    util_blitter_save_fragment_sampler_states(svga->blitter,
 327                      svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
 328                      (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
 329    util_blitter_save_fragment_sampler_views(svga->blitter,
 330                      svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
 331                      svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
 332    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
 333                                       svga->render_cond_cond, svga->render_cond_mode);*/
 334    util_blitter_blit(svga->blitter, blit_info);
 335 }
 336
 337
 338 static void
 339 svga_flush_resource(struct pipe_context *pipe,
 340                     struct pipe_resource *resource)
 341 {
 342 }
 343
 344
 345 void
 346 svga_init_blit_functions(struct svga_context *svga)
 347 {
 348    svga->pipe.resource_copy_region = svga_resource_copy_region;
 349    svga->pipe.blit = svga_blit;
 350    svga->pipe.flush_resource = svga_flush_resource;
 351 }