src/gallium/drivers/freedreno/freedreno_surface.c

   1 /*
   2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "freedreno_surface.h"
  28 #include "freedreno_resource.h"
  29 #include "freedreno_util.h"
  30
  31 #include "util/u_memory.h"
  32 #include "util/u_inlines.h"
  33
  34 struct pipe_surface *
  35 fd_create_surface(struct pipe_context *pctx,
  36                 struct pipe_resource *ptex,
  37                 const struct pipe_surface *surf_tmpl)
  38 {
  39 //      struct fd_resource* tex = fd_resource(ptex);
  40         struct fd_surface* surface = CALLOC_STRUCT(fd_surface);
  41
  42         if (!surface)
  43                 return NULL;
  44
  45
  46         struct pipe_surface *psurf = &surface->base;
  47         unsigned level = surf_tmpl->u.tex.level;
  48
  49         pipe_reference_init(&psurf->reference, 1);
  50         pipe_resource_reference(&psurf->texture, ptex);
  51
  52         psurf->context = pctx;
  53         psurf->format = surf_tmpl->format;
  54         psurf->width = u_minify(ptex->width0, level);
  55         psurf->height = u_minify(ptex->height0, level);
  56         psurf->nr_samples = surf_tmpl->nr_samples;
  57
  58         if (ptex->target == PIPE_BUFFER) {
  59                 psurf->u.buf.first_element = surf_tmpl->u.buf.first_element;
  60                 psurf->u.buf.last_element = surf_tmpl->u.buf.last_element;
  61         } else {
  62                 psurf->u.tex.level = level;
  63                 psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
  64                 psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
  65         }
  66
  67         // TODO
  68         DBG("TODO: %ux%u", psurf->width, psurf->height);
  69
  70         return &surface->base;
  71 }
  72
  73 void
  74 fd_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
  75 {
  76         pipe_resource_reference(&psurf->texture, NULL);
  77         FREE(psurf);
  78 }