From 8574eba804031f6b19713f0b02952280730bf62e Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 5 Mar 2015 22:17:40 +0100 Subject: fontconfig mesa git update 5 Mar 2015 --- mesalib/src/glsl/nir/nir_vla.h | 54 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 mesalib/src/glsl/nir/nir_vla.h (limited to 'mesalib/src/glsl/nir/nir_vla.h') diff --git a/mesalib/src/glsl/nir/nir_vla.h b/mesalib/src/glsl/nir/nir_vla.h new file mode 100644 index 000000000..753783316 --- /dev/null +++ b/mesalib/src/glsl/nir/nir_vla.h @@ -0,0 +1,54 @@ +/************************************************************************** + * + * Copyright 2015 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 VMWARE 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. + * + **************************************************************************/ + +#pragma once + + +#include "c99_alloca.h" + + +/* Declare a variable length array, with no initialization */ +#define NIR_VLA(_type, _name, _length) \ + _type *_name = alloca((_length) * sizeof *_name) + + +/* Declare a variable length array, and initialize it with the given byte. + * + * _length is evaluated twice, so expressions with side-effects must be + * avoided. + */ +#define NIR_VLA_FILL(_type, _name, _length, _byte) \ + _type *_name = memset(alloca((_length) * sizeof *_name), _byte, (_length) * sizeof *_name) + + +/* Declare a variable length array, and zero it. + * + * Just like NIR_VLA_FILL, _length is evaluated twice, so expressions with + * side-effects must be avoided. + */ +#define NIR_VLA_ZERO(_type, _name, _length) \ + NIR_VLA_FILL(_type, _name, _length, 0) -- cgit v1.2.3