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-rw-r--r--src/glsl/nir/spirv2nir.c55
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diff --git a/src/glsl/nir/spirv2nir.c b/src/glsl/nir/spirv2nir.c
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+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Jason Ekstrand ([email protected])
+ *
+ */
+
+/*
+ * A simple executable that opens a SPIR-V shader, converts it to NIR, and
+ * dumps out the result. This should be useful for testing the
+ * spirv_to_nir code.
+ */
+
+#include "nir_spirv.h"
+
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+int main(int argc, char **argv)
+{
+ int fd = open(argv[1], O_RDONLY);
+ off_t len = lseek(fd, 0, SEEK_END);
+
+ assert(len % 4 == 0);
+ size_t word_count = len / 4;
+
+ const void *map = mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
+ assert(map != NULL);
+
+ nir_shader *shader = spirv_to_nir(map, MESA_SHADER_FRAGMENT,
+ word_count, NULL);
+ nir_print_shader(shader, stderr);
+}