forked from KolibriOS/kolibrios
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
|
|
* Copyright 2013 VMware, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
#include "pipe/p_defines.h"
|
|
#include "pipe/p_state.h"
|
|
#include "util/u_format.h"
|
|
#include "util/u_math.h"
|
|
#include "util/u_resource.h"
|
|
|
|
|
|
/**
|
|
* Return the size of the resource in bytes.
|
|
*/
|
|
unsigned
|
|
util_resource_size(const struct pipe_resource *res)
|
|
{
|
|
unsigned width = res->width0;
|
|
unsigned height = res->height0;
|
|
unsigned depth = res->depth0;
|
|
unsigned size = 0;
|
|
unsigned level;
|
|
|
|
for (level = 0; level <= res->last_level; level++) {
|
|
unsigned slices;
|
|
|
|
if (res->target == PIPE_TEXTURE_CUBE)
|
|
slices = 6;
|
|
else if (res->target == PIPE_TEXTURE_3D)
|
|
slices = depth;
|
|
else
|
|
slices = res->array_size;
|
|
|
|
size += (util_format_get_nblocksy(res->format, height) *
|
|
util_format_get_stride(res->format, width) * slices);
|
|
|
|
width = u_minify(width, 1);
|
|
height = u_minify(height, 1);
|
|
depth = u_minify(depth, 1);
|
|
}
|
|
|
|
return size;
|
|
}
|