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  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_format.h"
  33. #include "util/u_surface.h"
  34.  
  35. #define FILE_DEBUG_FLAG DEBUG_BLIT
  36.  
  37.  
  38. /* XXX still have doubts about this... */
  39. static void svga_surface_copy(struct pipe_context *pipe,
  40.                               struct pipe_resource* dst_tex,
  41.                               unsigned dst_level,
  42.                               unsigned dstx, unsigned dsty, unsigned dstz,
  43.                               struct pipe_resource* src_tex,
  44.                               unsigned src_level,
  45.                               const struct pipe_box *src_box)
  46.  {
  47.    struct svga_context *svga = svga_context(pipe);
  48.    struct svga_texture *stex, *dtex;
  49. /*   struct pipe_screen *screen = pipe->screen;
  50.    SVGA3dCopyBox *box;
  51.    enum pipe_error ret;
  52.    struct pipe_surface *srcsurf, *dstsurf;*/
  53.    unsigned dst_face, dst_z, src_face, src_z;
  54.  
  55.    /* Emit buffered drawing commands, and any back copies.
  56.     */
  57.    svga_surfaces_flush( svga );
  58.  
  59.    /* Fallback for buffers. */
  60.    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
  61.       util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
  62.                                 src_tex, src_level, src_box);
  63.       return;
  64.    }
  65.  
  66.    stex = svga_texture(src_tex);
  67.    dtex = svga_texture(dst_tex);
  68.  
  69. #if 0
  70.    srcsurf = screen->get_tex_surface(screen, src_tex,
  71.                                      src_level, src_box->z, src_box->z,
  72.                                      PIPE_BIND_SAMPLER_VIEW);
  73.  
  74.    dstsurf = screen->get_tex_surface(screen, dst_tex,
  75.                                      dst_level, dst_box->z, dst_box->z,
  76.                                      PIPE_BIND_RENDER_TARGET);
  77.  
  78.    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  79.             svga_surface(dstsurf)->handle,
  80.             dstx, dsty,
  81.             svga_surface(srcsurf)->handle,
  82.             src_box->x, src_box->y,
  83.             width, height);
  84.  
  85.    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  86.                                  srcsurf,
  87.                                  dstsurf,
  88.                                  &box,
  89.                                  1);
  90.    if(ret != PIPE_OK) {
  91.  
  92.       svga_context_flush(svga, NULL);
  93.  
  94.       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  95.                                     srcsurf,
  96.                                     dstsurf,
  97.                                     &box,
  98.                                     1);
  99.       assert(ret == PIPE_OK);
  100.    }
  101.  
  102.    box->x = dstx;
  103.    box->y = dsty;
  104.    box->z = 0;
  105.    box->w = width;
  106.    box->h = height;
  107.    box->d = 1;
  108.    box->srcx = src_box->x;
  109.    box->srcy = src_box->y;
  110.    box->srcz = 0;
  111.  
  112.    SVGA_FIFOCommitAll(svga->swc);
  113.  
  114.    svga_surface(dstsurf)->dirty = TRUE;
  115.    svga_propagate_surface(pipe, dstsurf);
  116.  
  117.    pipe_surface_reference(&srcsurf, NULL);
  118.    pipe_surface_reference(&dstsurf, NULL);
  119.  
  120. #else
  121.    if (src_tex->target == PIPE_TEXTURE_CUBE) {
  122.       src_face = src_box->z;
  123.       src_z = 0;
  124.       assert(src_box->depth == 1);
  125.    }
  126.    else {
  127.       src_face = 0;
  128.       src_z = src_box->z;
  129.    }
  130.    /* different src/dst type???*/
  131.    if (dst_tex->target == PIPE_TEXTURE_CUBE) {
  132.       dst_face = dstz;
  133.       dst_z = 0;
  134.       assert(src_box->depth == 1);
  135.    }
  136.    else {
  137.       dst_face = 0;
  138.       dst_z = dstz;
  139.    }
  140.    svga_texture_copy_handle(svga,
  141.                             stex->handle,
  142.                             src_box->x, src_box->y, src_z,
  143.                             src_level, src_face,
  144.                             dtex->handle,
  145.                             dstx, dsty, dst_z,
  146.                             dst_level, dst_face,
  147.                             src_box->width, src_box->height, src_box->depth);
  148.  
  149. #endif
  150.  
  151. }
  152.  
  153.  
  154. static void svga_blit(struct pipe_context *pipe,
  155.                       const struct pipe_blit_info *blit_info)
  156. {
  157.    struct svga_context *svga = svga_context(pipe);
  158.    struct pipe_blit_info info = *blit_info;
  159.  
  160.    if (info.src.resource->nr_samples > 1 &&
  161.        info.dst.resource->nr_samples <= 1 &&
  162.        !util_format_is_depth_or_stencil(info.src.resource->format) &&
  163.        !util_format_is_pure_integer(info.src.resource->format)) {
  164.       debug_printf("svga: color resolve unimplemented\n");
  165.       return;
  166.    }
  167.  
  168.    if (util_try_blit_via_copy_region(pipe, &info)) {
  169.       return; /* done */
  170.    }
  171.  
  172.    if (info.mask & PIPE_MASK_S) {
  173.       debug_printf("svga: cannot blit stencil, skipping\n");
  174.       info.mask &= ~PIPE_MASK_S;
  175.    }
  176.  
  177.    if (!util_blitter_is_blit_supported(svga->blitter, &info)) {
  178.       debug_printf("svga: blit unsupported %s -> %s\n",
  179.                    util_format_short_name(info.src.resource->format),
  180.                    util_format_short_name(info.dst.resource->format));
  181.       return;
  182.    }
  183.  
  184.    /* XXX turn off occlusion and streamout queries */
  185.  
  186.    util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
  187.    util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
  188.    util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
  189.    /*util_blitter_save_geometry_shader(svga->blitter, svga->curr.gs);*/
  190.    /*util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
  191.                      (struct pipe_stream_output_target**)svga->so_targets);*/
  192.    util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
  193.    util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
  194.    util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
  195.    util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
  196.    util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
  197.    util_blitter_save_depth_stencil_alpha(svga->blitter,
  198.                                          (void*)svga->curr.depth);
  199.    util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
  200.    /*util_blitter_save_sample_mask(svga->blitter, svga->sample_mask);*/
  201.    util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
  202.    util_blitter_save_fragment_sampler_states(svga->blitter,
  203.                      svga->curr.num_samplers,
  204.                      (void**)svga->curr.sampler);
  205.    util_blitter_save_fragment_sampler_views(svga->blitter,
  206.                      svga->curr.num_sampler_views,
  207.                      svga->curr.sampler_views);
  208.    /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
  209.                                       svga->render_cond_cond, svga->render_cond_mode);*/
  210.    util_blitter_blit(svga->blitter, &info);
  211. }
  212.  
  213.  
  214. void
  215. svga_init_blit_functions(struct svga_context *svga)
  216. {
  217.    svga->pipe.resource_copy_region = svga_surface_copy;
  218.    svga->pipe.blit = svga_blit;
  219. }
  220.