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_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 }