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_format.h"
  30 #include "svga_resource_buffer.h"
  31 #include "svga_resource_texture.h"
  32 #include "svga_surface.h"
  33
  34 //#include "util/u_blit_sw.h"
  35 #include "util/u_format.h"
  36 #include "util/u_surface.h"
  37
  38 #define FILE_DEBUG_FLAG DEBUG_BLIT
  39
  40
  41 /**
  42  * Copy an image between textures with the vgpu10 CopyRegion command.
  43  */
  44 static void
  45 copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex,
  46                     unsigned src_x, unsigned src_y, unsigned src_z,
  47                     unsigned src_level, unsigned src_face,
  48                     struct pipe_resource *dst_tex,
  49                     unsigned dst_x, unsigned dst_y, unsigned dst_z,
  50                     unsigned dst_level, unsigned dst_face,
  51                     unsigned width, unsigned height, unsigned depth)
  52 {
  53    enum pipe_error ret;
  54    uint32 srcSubResource, dstSubResource;
  55    struct svga_texture *dtex, *stex;
  56    SVGA3dCopyBox box;
  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    srcSubResource = src_face * (src_tex->last_level + 1) + src_level;
  72    dstSubResource = dst_face * (dst_tex->last_level + 1) + dst_level;
  73
  74    ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  75                                       dtex->handle, dstSubResource,
  76                                       stex->handle, srcSubResource, &box);
  77    if (ret != PIPE_OK) {
  78       svga_context_flush(svga, NULL);
  79       ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  80                                          dtex->handle, dstSubResource,
  81                                          stex->handle, srcSubResource, &box);
  82       assert(ret == PIPE_OK);
  83    }
  84
  85    svga_define_texture_level(dtex, dst_face, dst_level);
  86 }
  87
  88
  89 /**
  90  * For some texture types, we need to move the z (slice) coordinate
  91  * to the layer value.  For example, to select the z=3 slice of a 2D ARRAY
  92  * texture, we need to use layer=3 and set z=0.
  93  */
  94 static void
  95 adjust_z_layer(enum pipe_texture_target target,
  96                int z_in, unsigned *layer_out, unsigned *z_out)
  97 {
  98    if (target == PIPE_TEXTURE_CUBE ||
  99        target == PIPE_TEXTURE_2D_ARRAY ||
 100        target == PIPE_TEXTURE_1D_ARRAY) {
 101       *layer_out = z_in;
 102       *z_out = 0;
 103    }
 104    else {
 105       *layer_out = 0;
 106       *z_out = z_in;
 107    }
 108 }
 109
 110
 111 static void
 112 svga_resource_copy_region(struct pipe_context *pipe,
 113                           struct pipe_resource *dst_tex,
 114                           unsigned dst_level,
 115                           unsigned dstx, unsigned dsty, unsigned dstz,
 116                           struct pipe_resource *src_tex,
 117                           unsigned src_level,
 118                           const struct pipe_box *src_box)
 119 {
 120    struct svga_context *svga = svga_context(pipe);
 121    struct svga_texture *stex, *dtex;
 122    unsigned dst_face_layer, dst_z, src_face_layer, src_z;
 123
 124    /* Emit buffered drawing commands, and any back copies.
 125     */
 126    svga_surfaces_flush( svga );
 127
 128    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
 129       /* can't copy within the same buffer, unfortunately */
 130       if (svga_have_vgpu10(svga) && src_tex != dst_tex) {
 131          enum pipe_error ret;
 132          struct svga_winsys_surface *src_surf;
 133          struct svga_winsys_surface *dst_surf;
 134          struct svga_buffer *dbuffer = svga_buffer(dst_tex);
 135
 136          src_surf = svga_buffer_handle(svga, src_tex);
 137          dst_surf = svga_buffer_handle(svga, dst_tex);
 138
 139          ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 140                                         src_box->x, dstx, src_box->width);
 141          if (ret != PIPE_OK) {
 142             svga_context_flush(svga, NULL);
 143             ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 144                                            src_box->x, dstx, src_box->width);
 145             assert(ret == PIPE_OK);
 146          }
 147
 148          dbuffer->dirty = TRUE;
 149       }
 150       else {
 151          /* use map/memcpy fallback */
 152          util_resource_copy_region(pipe, dst_tex, dst_level, dstx,
 153                                    dsty, dstz, src_tex, src_level, src_box);
 154       }
 155       return;
 156    }
 157
 158    stex = svga_texture(src_tex);
 159    dtex = svga_texture(dst_tex);
 160
 161    adjust_z_layer(src_tex->target, src_box->z, &src_face_layer, &src_z);
 162    adjust_z_layer(dst_tex->target, dstz, &dst_face_layer, &dst_z);
 163
 164    if (svga_have_vgpu10(svga)) {
 165       /* vgpu10 */
 166       if (util_format_is_compressed(src_tex->format) ==
 167           util_format_is_compressed(dst_tex->format) &&
 168           !util_format_is_depth_and_stencil(src_tex->format) &&
 169           stex->handle != dtex->handle &&
 170           svga_resource_type(src_tex->target) ==
 171           svga_resource_type(dst_tex->target)) {
 172          copy_region_vgpu10(svga,
 173                             src_tex,
 174                             src_box->x, src_box->y, src_z,
 175                             src_level, src_face_layer,
 176                             dst_tex,
 177                             dstx, dsty, dst_z,
 178                             dst_level, dst_face_layer,
 179                             src_box->width, src_box->height, src_box->depth);
 180       }
 181       else {
 182          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 183                                    src_tex, src_level, src_box);
 184       }
 185    }
 186    else {
 187       /* vgpu9 */
 188       if (src_tex->format == dst_tex->format) {
 189          svga_texture_copy_handle(svga,
 190                                   stex->handle,
 191                                   src_box->x, src_box->y, src_z,
 192                                   src_level, src_face_layer,
 193                                   dtex->handle,
 194                                   dstx, dsty, dst_z,
 195                                    dst_level, dst_face_layer,
 196                                   src_box->width, src_box->height,
 197                                   src_box->depth);
 198       }
 199       else {
 200          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 201                                    src_tex, src_level, src_box);
 202       }
 203    }
 204
 205    /* Mark the destination image as being defined */
 206    svga_define_texture_level(dtex, dst_face_layer, dst_level);
 207 }
 208
 209
 210 /**
 211  * Are the given pipe formats compatible, in terms of vgpu10's
 212  * PredCopyRegion() command?
 213  */
 214 static bool
 215 formats_compatible(const struct svga_screen *ss,
 216                    enum pipe_format src_fmt,
 217                    enum pipe_format dst_fmt)
 218 {
 219    SVGA3dSurfaceFormat src_svga_fmt, dst_svga_fmt;
 220
 221    src_svga_fmt = svga_translate_format(ss, src_fmt, PIPE_BIND_SAMPLER_VIEW);
 222    dst_svga_fmt = svga_translate_format(ss, dst_fmt, PIPE_BIND_SAMPLER_VIEW);
 223
 224    src_svga_fmt = svga_typeless_format(src_svga_fmt);
 225    dst_svga_fmt = svga_typeless_format(dst_svga_fmt);
 226
 227    return src_svga_fmt == dst_svga_fmt;
 228 }
 229
 230
 231 /**
 232  * The state tracker implements some resource copies with blits (for
 233  * GL_ARB_copy_image).  This function checks if we should really do the blit
 234  * with a VGPU10 CopyRegion command or software fallback (for incompatible
 235  * src/dst formats).
 236  */
 237 static bool
 238 can_blit_via_copy_region_vgpu10(struct svga_context *svga,
 239                                 const struct pipe_blit_info *blit_info)
 240 {
 241    struct svga_texture *dtex, *stex;
 242
 243    if (!svga_have_vgpu10(svga))
 244       return false;
 245
 246    stex = svga_texture(blit_info->src.resource);
 247    dtex = svga_texture(blit_info->dst.resource);
 248
 249    // can't copy within one resource
 250    if (stex->handle == dtex->handle)
 251       return false;
 252
 253    /* can't copy between different resource types */
 254    if (svga_resource_type(blit_info->src.resource->target) !=
 255        svga_resource_type(blit_info->dst.resource->target))
 256       return false;
 257
 258    /* check that the blit src/dst regions are same size, no flipping, etc. */
 259    if (blit_info->src.box.width != blit_info->dst.box.width ||
 260        blit_info->src.box.height != blit_info->dst.box.height)
 261       return false;
 262
 263    /* depth/stencil copies not supported at this time */
 264    if (blit_info->mask != PIPE_MASK_RGBA)
 265       return false;
 266
 267    if (blit_info->alpha_blend || blit_info->render_condition_enable ||
 268        blit_info->scissor_enable)
 269       return false;
 270
 271    return formats_compatible(svga_screen(svga->pipe.screen),
 272                              blit_info->src.resource->format,
 273                              blit_info->dst.resource->format);
 274 }
 275
 276
 277 static void
 278 svga_blit(struct pipe_context *pipe,
 279           const struct pipe_blit_info *blit_info)
 280 {
 281    struct svga_context *svga = svga_context(pipe);
 282    struct pipe_blit_info blit = *blit_info;
 283
 284    if (!svga_have_vgpu10(svga) &&
 285        blit.src.resource->nr_samples > 1 &&
 286        blit.dst.resource->nr_samples <= 1 &&
 287        !util_format_is_depth_or_stencil(blit.src.resource->format) &&
 288        !util_format_is_pure_integer(blit.src.resource->format)) {
 289       debug_printf("svga: color resolve unimplemented\n");
 290       return;
 291    }
 292
 293    if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
 294       unsigned src_face, src_z, dst_face, dst_z;
 295
 296       adjust_z_layer(blit.src.resource->target, blit.src.box.z,
 297                      &src_face, &src_z);
 298
 299       adjust_z_layer(blit.dst.resource->target, blit.dst.box.z,
 300                      &dst_face, &dst_z);
 301
 302       copy_region_vgpu10(svga,
 303                          blit.src.resource,
 304                          blit.src.box.x, blit.src.box.y, src_z,
 305                          blit.src.level, src_face,
 306                          blit.dst.resource,
 307                          blit.dst.box.x, blit.dst.box.y, dst_z,
 308                          blit.dst.level, dst_face,
 309                          blit.src.box.width, blit.src.box.height,
 310                          blit.src.box.depth);
 311       return;
 312    }
 313
 314    if (util_can_blit_via_copy_region(blit_info, TRUE) ||
 315        util_can_blit_via_copy_region(blit_info, FALSE)) {
 316       util_resource_copy_region(pipe, blit.dst.resource,
 317                                 blit.dst.level,
 318                                 blit.dst.box.x, blit.dst.box.y,
 319                                 blit.dst.box.z, blit.src.resource,
 320                                 blit.src.level, &blit.src.box);
 321       return; /* done */
 322    }
 323
 324    if ((blit.mask & PIPE_MASK_S) ||
 325        !util_blitter_is_blit_supported(svga->blitter, blit_info)) {
 326       debug_printf("svga: blit unsupported %s -> %s\n",
 327                    util_format_short_name(blit.src.resource->format),
 328                    util_format_short_name(blit.dst.resource->format));
 329       return;
 330    }
 331
 332    /* XXX turn off occlusion and streamout queries */
 333
 334    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
 335    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
 336    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
 337    util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
 338    util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
 339                      (struct pipe_stream_output_target**)svga->so_targets);
 340    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
 341    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
 342    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
 343    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
 344    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
 345    util_blitter_save_depth_stencil_alpha(svga->blitter,
 346                                          (void*)svga->curr.depth);
 347    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
 348    util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
 349    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
 350    util_blitter_save_fragment_sampler_states(svga->blitter,
 351                      svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
 352                      (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
 353    util_blitter_save_fragment_sampler_views(svga->blitter,
 354                      svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
 355                      svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
 356    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
 357                                       svga->render_cond_cond, svga->render_cond_mode);*/
 358    util_blitter_blit(svga->blitter, &blit);
 359 }
 360
 361
 362 static void
 363 svga_flush_resource(struct pipe_context *pipe,
 364                     struct pipe_resource *resource)
 365 {
 366 }
 367
 368
 369 void
 370 svga_init_blit_functions(struct svga_context *svga)
 371 {
 372    svga->pipe.resource_copy_region = svga_resource_copy_region;
 373    svga->pipe.blit = svga_blit;
 374    svga->pipe.flush_resource = svga_flush_resource;
 375 }