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
  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    srcSubResource = src_face * (src_tex->last_level + 1) + src_level;
  71    dstSubResource = dst_face * (dst_tex->last_level + 1) + dst_level;
  72
  73    ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  74                                       dtex->handle, dstSubResource,
  75                                       stex->handle, srcSubResource, &box);
  76    if (ret != PIPE_OK) {
  77       svga_context_flush(svga, NULL);
  78       ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
  79                                          dtex->handle, dstSubResource,
  80                                          stex->handle, srcSubResource, &box);
  81       assert(ret == PIPE_OK);
  82    }
  83
  84    svga_define_texture_level(dtex, dst_face, dst_level);
  85 }
  86
  87
  88 static void
  89 svga_resource_copy_region(struct pipe_context *pipe,
  90                           struct pipe_resource *dst_tex,
  91                           unsigned dst_level,
  92                           unsigned dstx, unsigned dsty, unsigned dstz,
  93                           struct pipe_resource *src_tex,
  94                           unsigned src_level,
  95                           const struct pipe_box *src_box)
  96 {
  97    struct svga_context *svga = svga_context(pipe);
  98    struct svga_texture *stex, *dtex;
  99    unsigned dst_face_layer, dst_z, src_face_layer, src_z;
 100
 101    /* Emit buffered drawing commands, and any back copies.
 102     */
 103    svga_surfaces_flush( svga );
 104
 105    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
 106       /* can't copy within the same buffer, unfortunately */
 107       if (svga_have_vgpu10(svga) && src_tex != dst_tex) {
 108          enum pipe_error ret;
 109          struct svga_winsys_surface *src_surf;
 110          struct svga_winsys_surface *dst_surf;
 111          struct svga_buffer *dbuffer = svga_buffer(dst_tex);
 112
 113          src_surf = svga_buffer_handle(svga, src_tex);
 114          dst_surf = svga_buffer_handle(svga, dst_tex);
 115
 116          ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 117                                         src_box->x, dstx, src_box->width);
 118          if (ret != PIPE_OK) {
 119             svga_context_flush(svga, NULL);
 120             ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
 121                                            src_box->x, dstx, src_box->width);
 122             assert(ret == PIPE_OK);
 123          }
 124
 125          dbuffer->dirty = TRUE;
 126       }
 127       else {
 128          /* use map/memcpy fallback */
 129          util_resource_copy_region(pipe, dst_tex, dst_level, dstx,
 130                                    dsty, dstz, src_tex, src_level, src_box);
 131       }
 132       return;
 133    }
 134
 135    stex = svga_texture(src_tex);
 136    dtex = svga_texture(dst_tex);
 137
 138    if (src_tex->target == PIPE_TEXTURE_CUBE ||
 139        src_tex->target == PIPE_TEXTURE_2D_ARRAY ||
 140        src_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 141       src_face_layer = src_box->z;
 142       src_z = 0;
 143       assert(src_box->depth == 1);
 144    }
 145    else {
 146       src_face_layer = 0;
 147       src_z = src_box->z;
 148    }
 149
 150    if (dst_tex->target == PIPE_TEXTURE_CUBE ||
 151        dst_tex->target == PIPE_TEXTURE_2D_ARRAY ||
 152        dst_tex->target == PIPE_TEXTURE_1D_ARRAY) {
 153       dst_face_layer = dstz;
 154       dst_z = 0;
 155       assert(src_box->depth == 1);
 156    }
 157    else {
 158       dst_face_layer = 0;
 159       dst_z = dstz;
 160    }
 161
 162    stex = svga_texture(src_tex);
 163    dtex = svga_texture(dst_tex);
 164
 165    if (svga_have_vgpu10(svga)) {
 166       /* vgpu10 */
 167       if (util_format_is_compressed(src_tex->format) ==
 168           util_format_is_compressed(dst_tex->format) &&
 169           !util_format_is_depth_and_stencil(src_tex->format) &&
 170           stex->handle != dtex->handle &&
 171           src_tex->target == 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  * The state tracker implements some resource copies with blits (for
 212  * GL_ARB_copy_image).  This function checks if we should really do the blit
 213  * with a VGPU10 CopyRegion command or software fallback (for incompatible
 214  * src/dst formats).
 215  */
 216 static bool
 217 can_blit_via_copy_region_vgpu10(struct svga_context *svga,
 218                                 const struct pipe_blit_info *blit_info)
 219 {
 220    struct svga_texture *dtex, *stex;
 221
 222    if (!svga_have_vgpu10(svga))
 223       return false;
 224
 225    stex = svga_texture(blit_info->src.resource);
 226    dtex = svga_texture(blit_info->dst.resource);
 227
 228    // can't copy within one resource
 229    if (stex->handle == dtex->handle)
 230       return false;
 231
 232    // can't copy between different resource types
 233    if (blit_info->src.resource->target != blit_info->dst.resource->target)
 234       return false;
 235
 236    // check that the blit src/dst regions are same size, no flipping, etc.
 237    if (blit_info->src.box.width != blit_info->dst.box.width ||
 238        blit_info->src.box.height != blit_info->dst.box.height)
 239       return false;
 240
 241    // depth/stencil copies not supported at this time
 242    if (blit_info->mask != PIPE_MASK_RGBA)
 243       return false;
 244
 245    if (blit_info->alpha_blend || blit_info->render_condition_enable ||
 246        blit_info->scissor_enable)
 247       return false;
 248
 249    // check that src/dst surface formats are compatible for the VGPU device.
 250    return util_is_format_compatible(
 251         util_format_description(blit_info->src.resource->format),
 252         util_format_description(blit_info->dst.resource->format));
 253 }
 254
 255
 256 static void
 257 svga_blit(struct pipe_context *pipe,
 258           const struct pipe_blit_info *blit_info)
 259 {
 260    struct svga_context *svga = svga_context(pipe);
 261
 262    if (!svga_have_vgpu10(svga) &&
 263        blit_info->src.resource->nr_samples > 1 &&
 264        blit_info->dst.resource->nr_samples <= 1 &&
 265        !util_format_is_depth_or_stencil(blit_info->src.resource->format) &&
 266        !util_format_is_pure_integer(blit_info->src.resource->format)) {
 267       debug_printf("svga: color resolve unimplemented\n");
 268       return;
 269    }
 270
 271    if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
 272       unsigned src_face, src_z, dst_face, dst_z;
 273
 274       if (blit_info->src.resource->target == PIPE_TEXTURE_CUBE) {
 275          src_face = blit_info->src.box.z;
 276          src_z = 0;
 277          assert(blit_info->src.box.depth == 1);
 278       }
 279       else {
 280          src_face = 0;
 281          src_z = blit_info->src.box.z;
 282       }
 283
 284       if (blit_info->dst.resource->target == PIPE_TEXTURE_CUBE) {
 285          dst_face = blit_info->dst.box.z;
 286          dst_z = 0;
 287          assert(blit_info->src.box.depth == 1);
 288       }
 289       else {
 290          dst_face = 0;
 291          dst_z = blit_info->dst.box.z;
 292       }
 293
 294       copy_region_vgpu10(svga,
 295                          blit_info->src.resource,
 296                          blit_info->src.box.x, blit_info->src.box.y, src_z,
 297                          blit_info->src.level, src_face,
 298                          blit_info->dst.resource,
 299                          blit_info->dst.box.x, blit_info->dst.box.y, dst_z,
 300                          blit_info->dst.level, dst_face,
 301                          blit_info->src.box.width, blit_info->src.box.height,
 302                          blit_info->src.box.depth);
 303       return;
 304    }
 305
 306    if (util_can_blit_via_copy_region(blit_info, TRUE) ||
 307        util_can_blit_via_copy_region(blit_info, FALSE)) {
 308       util_resource_copy_region(pipe, blit_info->dst.resource,
 309                                 blit_info->dst.level,
 310                                 blit_info->dst.box.x, blit_info->dst.box.y,
 311                                 blit_info->dst.box.z, blit_info->src.resource,
 312                                 blit_info->src.level, &blit_info->src.box);
 313       return; /* done */
 314    }
 315
 316    if ((blit_info->mask & PIPE_MASK_S) ||
 317        !util_blitter_is_blit_supported(svga->blitter, blit_info)) {
 318       debug_printf("svga: blit unsupported %s -> %s\n",
 319                    util_format_short_name(blit_info->src.resource->format),
 320                    util_format_short_name(blit_info->dst.resource->format));
 321       return;
 322    }
 323
 324    /* XXX turn off occlusion and streamout queries */
 325
 326    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
 327    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
 328    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
 329    util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
 330    util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
 331                      (struct pipe_stream_output_target**)svga->so_targets);
 332    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
 333    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
 334    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
 335    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
 336    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
 337    util_blitter_save_depth_stencil_alpha(svga->blitter,
 338                                          (void*)svga->curr.depth);
 339    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
 340    util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
 341    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
 342    util_blitter_save_fragment_sampler_states(svga->blitter,
 343                      svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
 344                      (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
 345    util_blitter_save_fragment_sampler_views(svga->blitter,
 346                      svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
 347                      svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
 348    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
 349                                       svga->render_cond_cond, svga->render_cond_mode);*/
 350    util_blitter_blit(svga->blitter, blit_info);
 351 }
 352
 353
 354 static void
 355 svga_flush_resource(struct pipe_context *pipe,
 356                     struct pipe_resource *resource)
 357 {
 358 }
 359
 360
 361 void
 362 svga_init_blit_functions(struct svga_context *svga)
 363 {
 364    svga->pipe.resource_copy_region = svga_resource_copy_region;
 365    svga->pipe.blit = svga_blit;
 366    svga->pipe.flush_resource = svga_flush_resource;
 367 }