src/gallium/drivers/freedreno/freedreno_surface.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #include "freedreno_surface.h"
  30 #include "freedreno_resource.h"
  31 #include "freedreno_util.h"
  32
  33 #include "util/u_memory.h"
  34 #include "util/u_inlines.h"
  35
  36 struct pipe_surface *
  37 fd_create_surface(struct pipe_context *pctx,
  38                 struct pipe_resource *ptex,
  39                 const struct pipe_surface *surf_tmpl)
  40 {
  41 //      struct fd_resource* tex = fd_resource(ptex);
  42         struct fd_surface* surface = CALLOC_STRUCT(fd_surface);
  43
  44         if (!surface)
  45                 return NULL;
  46
  47
  48         struct pipe_surface *psurf = &surface->base;
  49         unsigned level = surf_tmpl->u.tex.level;
  50
  51         pipe_reference_init(&psurf->reference, 1);
  52         pipe_resource_reference(&psurf->texture, ptex);
  53
  54         psurf->context = pctx;
  55         psurf->format = surf_tmpl->format;
  56         psurf->width = u_minify(ptex->width0, level);
  57         psurf->height = u_minify(ptex->height0, level);
  58
  59         if (ptex->target == PIPE_BUFFER) {
  60                 psurf->u.buf.first_element = surf_tmpl->u.buf.first_element;
  61                 psurf->u.buf.last_element = surf_tmpl->u.buf.last_element;
  62         } else {
  63                 debug_assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
  64                 psurf->u.tex.level = level;
  65                 psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
  66                 psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
  67         }
  68
  69         // TODO
  70         DBG("TODO: %ux%u", psurf->width, psurf->height);
  71
  72         return &surface->base;
  73 }
  74
  75 void
  76 fd_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
  77 {
  78         pipe_resource_reference(&psurf->texture, NULL);
  79         FREE(psurf);
  80 }