src/gallium/drivers/freedreno/freedreno_resource.h

   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 #ifndef FREEDRENO_RESOURCE_H_
  30 #define FREEDRENO_RESOURCE_H_
  31
  32 #include "util/u_transfer.h"
  33
  34 #include "freedreno_util.h"
  35
  36 /* for mipmap, cubemap, etc, each level is represented by a slice.
  37  * Currently all slices are part of same bo (just different offsets),
  38  * this is at least how it needs to be for cubemaps, although mipmap
  39  * can be different bo's (although, not sure if there is a strong
  40  * advantage to doing that)
  41  */
  42 struct fd_resource_slice {
  43         uint32_t offset;         /* offset of first layer in slice */
  44         uint32_t pitch;
  45         uint32_t size0;          /* size of first layer in slice */
  46 };
  47
  48 struct fd_resource {
  49         struct u_resource base;
  50         struct fd_bo *bo;
  51         uint32_t cpp;
  52         struct fd_resource_slice slices[MAX_MIP_LEVELS];
  53         uint32_t timestamp;
  54         bool dirty;
  55 };
  56
  57 static INLINE struct fd_resource *
  58 fd_resource(struct pipe_resource *ptex)
  59 {
  60         return (struct fd_resource *)ptex;
  61 }
  62
  63 static INLINE struct fd_resource_slice *
  64 fd_resource_slice(struct fd_resource *rsc, unsigned level)
  65 {
  66         assert(level <= rsc->base.b.last_level);
  67         return &rsc->slices[level];
  68 }
  69
  70 void fd_resource_screen_init(struct pipe_screen *pscreen);
  71 void fd_resource_context_init(struct pipe_context *pctx);
  72
  73 #endif /* FREEDRENO_RESOURCE_H_ */