From 78eabc615323cf4728fb9ea72aa5bd9799828f04 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 29 Apr 2015 14:29:38 -0700
Subject: [PATCH] REVERT: Add a simple helper program for testing SPIR-V -> NIR
 translation

---
 src/glsl/Makefile.am     | 12 ++++++++-
 src/glsl/nir/spirv2nir.c | 55 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 src/glsl/nir/spirv2nir.c

diff --git a/src/glsl/Makefile.am b/src/glsl/Makefile.am
index 98dcb37fc74..2ab40506e97 100644
--- a/src/glsl/Makefile.am
+++ b/src/glsl/Makefile.am
@@ -75,7 +75,7 @@ check_PROGRAMS =					\
 	tests/sampler-types-test			\
 	tests/uniform-initializer-test
 
-noinst_PROGRAMS = glsl_compiler
+noinst_PROGRAMS = glsl_compiler spirv2nir
 
 tests_blob_test_SOURCES =				\
 	tests/blob_test.c
@@ -156,6 +156,16 @@ glsl_compiler_LDADD =					\
 	$(top_builddir)/src/libglsl_util.la		\
 	$(PTHREAD_LIBS)
 
+spirv2nir_SOURCES = \
+	standalone_scaffolding.cpp \
+	standalone_scaffolding.h \
+	nir/spirv2nir.c
+
+spirv2nir_LDADD =					\
+	libglsl.la					\
+	$(top_builddir)/src/libglsl_util.la		\
+	$(PTHREAD_LIBS)
+
 glsl_test_SOURCES = \
 	standalone_scaffolding.cpp \
 	test.cpp \
diff --git a/src/glsl/nir/spirv2nir.c b/src/glsl/nir/spirv2nir.c
new file mode 100644
index 00000000000..e06e82595a2
--- /dev/null
+++ b/src/glsl/nir/spirv2nir.c
@@ -0,0 +1,55 @@
+/*
+ * 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 (jason@jlekstrand.net)
+ *
+ */
+
+/*
+ * 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);
+}
-- 
2.30.2