From a69efa9482d7d4dee476a50b3788544ba9b14a50 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 3 Apr 2013 10:23:16 -0600 Subject: [PATCH] util: add new util_resource_size() function in u_resource.[ch] Reviewed-by: Jose Fonseca --- src/gallium/auxiliary/util/u_resource.c | 65 ++++++++++++++++++++++++- src/gallium/auxiliary/util/u_resource.h | 34 +++++++++++++ 2 files changed, 98 insertions(+), 1 deletion(-) create mode 100644 src/gallium/auxiliary/util/u_resource.h diff --git a/src/gallium/auxiliary/util/u_resource.c b/src/gallium/auxiliary/util/u_resource.c index 8d15f8db71c..66caaae8405 100644 --- a/src/gallium/auxiliary/util/u_resource.c +++ b/src/gallium/auxiliary/util/u_resource.c @@ -1,2 +1,65 @@ +/* + * 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. + */ -/* temporarily empty */ + +#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; +} diff --git a/src/gallium/auxiliary/util/u_resource.h b/src/gallium/auxiliary/util/u_resource.h new file mode 100644 index 00000000000..977e0136bea --- /dev/null +++ b/src/gallium/auxiliary/util/u_resource.h @@ -0,0 +1,34 @@ +/* + * 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. + */ + +#ifndef U_RESOURCE_H +#define U_RESOURCE_H + +struct pipe_resource; + +unsigned +util_resource_size(const struct pipe_resource *res); + +#endif -- 2.30.2