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           stex->handle != dtex->handle &&
 169           svga_resource_type(src_tex->target) ==
 170           svga_resource_type(dst_tex->target)) {
 171          copy_region_vgpu10(svga,
 172                             src_tex,
 173                             src_box->x, src_box->y, src_z,
 174                             src_level, src_face_layer,
 175                             dst_tex,
 176                             dstx, dsty, dst_z,
 177                             dst_level, dst_face_layer,
 178                             src_box->width, src_box->height, src_box->depth);
 179       }
 180       else {
 181          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 182                                    src_tex, src_level, src_box);
 183       }
 184    }
 185    else {
 186       /* vgpu9 */
 187       if (src_tex->format == dst_tex->format) {
 188          svga_texture_copy_handle(svga,
 189                                   stex->handle,
 190                                   src_box->x, src_box->y, src_z,
 191                                   src_level, src_face_layer,
 192                                   dtex->handle,
 193                                   dstx, dsty, dst_z,
 194                                    dst_level, dst_face_layer,
 195                                   src_box->width, src_box->height,
 196                                   src_box->depth);
 197       }
 198       else {
 199          util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
 200                                    src_tex, src_level, src_box);
 201       }
 202    }
 203
 204    /* Mark the destination image as being defined */
 205    svga_define_texture_level(dtex, dst_face_layer, dst_level);
 206 }
 207
 208
 209 /**
 210  * Are the given pipe formats compatible, in terms of vgpu10's
 211  * PredCopyRegion() command?
 212  */
 213 static bool
 214 formats_compatible(const struct svga_screen *ss,
 215                    enum pipe_format src_fmt,
 216                    enum pipe_format dst_fmt)
 217 {
 218    SVGA3dSurfaceFormat src_svga_fmt, dst_svga_fmt;
 219
 220    src_svga_fmt = svga_translate_format(ss, src_fmt, PIPE_BIND_SAMPLER_VIEW);
 221    dst_svga_fmt = svga_translate_format(ss, dst_fmt, PIPE_BIND_SAMPLER_VIEW);
 222
 223    src_svga_fmt = svga_typeless_format(src_svga_fmt);
 224    dst_svga_fmt = svga_typeless_format(dst_svga_fmt);
 225
 226    return src_svga_fmt == dst_svga_fmt;
 227 }
 228
 229
 230 /**
 231  * The state tracker implements some resource copies with blits (for
 232  * GL_ARB_copy_image).  This function checks if we should really do the blit
 233  * with a VGPU10 CopyRegion command or software fallback (for incompatible
 234  * src/dst formats).
 235  */
 236 static bool
 237 can_blit_via_copy_region_vgpu10(struct svga_context *svga,
 238                                 const struct pipe_blit_info *blit_info)
 239 {
 240    struct svga_texture *dtex, *stex;
 241
 242    if (!svga_have_vgpu10(svga))
 243       return false;
 244
 245    stex = svga_texture(blit_info->src.resource);
 246    dtex = svga_texture(blit_info->dst.resource);
 247
 248    // can't copy within one resource
 249    if (stex->handle == dtex->handle)
 250       return false;
 251
 252    /* can't copy between different resource types */
 253    if (svga_resource_type(blit_info->src.resource->target) !=
 254        svga_resource_type(blit_info->dst.resource->target))
 255       return false;
 256
 257    /* check that the blit src/dst regions are same size, no flipping, etc. */
 258    if (blit_info->src.box.width != blit_info->dst.box.width ||
 259        blit_info->src.box.height != blit_info->dst.box.height)
 260       return false;
 261
 262    /* For depth+stencil formats, copy with maks != PIPE_MASK_ZS is not
 263     * supported */
 264    if (util_format_is_depth_and_stencil(blit_info->src.format) &&
 265       blit_info->mask != (PIPE_MASK_ZS))
 266      return false;
 267
 268    if (blit_info->alpha_blend ||
 269        (svga->render_condition && blit_info->render_condition_enable) ||
 270        blit_info->scissor_enable)
 271       return false;
 272
 273    return formats_compatible(svga_screen(svga->pipe.screen),
 274                              blit_info->src.resource->format,
 275                              blit_info->dst.resource->format);
 276 }
 277
 278
 279 static void
 280 svga_blit(struct pipe_context *pipe,
 281           const struct pipe_blit_info *blit_info)
 282 {
 283    struct svga_context *svga = svga_context(pipe);
 284    struct pipe_blit_info blit = *blit_info;
 285
 286    if (!svga_have_vgpu10(svga) &&
 287        blit.src.resource->nr_samples > 1 &&
 288        blit.dst.resource->nr_samples <= 1 &&
 289        !util_format_is_depth_or_stencil(blit.src.resource->format) &&
 290        !util_format_is_pure_integer(blit.src.resource->format)) {
 291       debug_printf("svga: color resolve unimplemented\n");
 292       return;
 293    }
 294
 295    if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
 296       unsigned src_face, src_z, dst_face, dst_z;
 297
 298       adjust_z_layer(blit.src.resource->target, blit.src.box.z,
 299                      &src_face, &src_z);
 300
 301       adjust_z_layer(blit.dst.resource->target, blit.dst.box.z,
 302                      &dst_face, &dst_z);
 303
 304       copy_region_vgpu10(svga,
 305                          blit.src.resource,
 306                          blit.src.box.x, blit.src.box.y, src_z,
 307                          blit.src.level, src_face,
 308                          blit.dst.resource,
 309                          blit.dst.box.x, blit.dst.box.y, dst_z,
 310                          blit.dst.level, dst_face,
 311                          blit.src.box.width, blit.src.box.height,
 312                          blit.src.box.depth);
 313       return;
 314    }
 315
 316    if (util_can_blit_via_copy_region(blit_info, TRUE) ||
 317        util_can_blit_via_copy_region(blit_info, FALSE)) {
 318       util_resource_copy_region(pipe, blit.dst.resource,
 319                                 blit.dst.level,
 320                                 blit.dst.box.x, blit.dst.box.y,
 321                                 blit.dst.box.z, blit.src.resource,
 322                                 blit.src.level, &blit.src.box);
 323       return; /* done */
 324    }
 325
 326    if ((blit.mask & PIPE_MASK_S) ||
 327        !util_blitter_is_blit_supported(svga->blitter, blit_info)) {
 328       debug_printf("svga: blit unsupported %s -> %s\n",
 329                    util_format_short_name(blit.src.resource->format),
 330                    util_format_short_name(blit.dst.resource->format));
 331       return;
 332    }
 333
 334    /* XXX turn off occlusion and streamout queries */
 335
 336    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
 337    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
 338    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
 339    util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
 340    util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
 341                      (struct pipe_stream_output_target**)svga->so_targets);
 342    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
 343    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
 344    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
 345    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
 346    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
 347    util_blitter_save_depth_stencil_alpha(svga->blitter,
 348                                          (void*)svga->curr.depth);
 349    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
 350    util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
 351    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
 352    util_blitter_save_fragment_sampler_states(svga->blitter,
 353                      svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
 354                      (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
 355    util_blitter_save_fragment_sampler_views(svga->blitter,
 356                      svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
 357                      svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
 358    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
 359                                       svga->render_cond_cond, svga->render_cond_mode);*/
 360    util_blitter_blit(svga->blitter, &blit);
 361 }
 362
 363
 364 static void
 365 svga_flush_resource(struct pipe_context *pipe,
 366                     struct pipe_resource *resource)
 367 {
 368 }
 369
 370
 371 void
 372 svga_init_blit_functions(struct svga_context *svga)
 373 {
 374    svga->pipe.resource_copy_region = svga_resource_copy_region;
 375    svga->pipe.blit = svga_blit;
 376    svga->pipe.flush_resource = svga_flush_resource;
 377 }