glsl/tests: suffix .sh/.py files as applicable

This makes it easier/clearer as to:
 - if the file should have the execute bit set (.py should not)
 - do we need the shebang in the first place and if so what it should be

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>

src/compiler/Makefile.glsl.am

@@ -30,15 +30,15 @@ EXTRA_DIST += glsl/tests glsl/glcpp/tests glsl/README	\
 	glsl/glcpp/glcpp-parse.y			\
 	SConscript.glsl
 
-TESTS += glsl/glcpp/tests/glcpp-test			\
+TESTS += glsl/glcpp/tests/glcpp-test.sh			\
-	glsl/glcpp/tests/glcpp-test-cr-lf		\
+	glsl/glcpp/tests/glcpp-test-cr-lf.sh		\
 	glsl/tests/blob-test				\
 	glsl/tests/cache-test				\
 	glsl/tests/general-ir-test			\
-	glsl/tests/optimization-test			\
+	glsl/tests/optimization-test.sh			\
 	glsl/tests/sampler-types-test			\
 	glsl/tests/uniform-initializer-test             \
-	glsl/tests/warnings-test
+	glsl/tests/warnings-test.sh
 
 TESTS_ENVIRONMENT= \
 	export PYTHON2=$(PYTHON2); \

src/compiler/glsl/glcpp/tests/glcpp-test-cr-lf.sh

@@ -7,10 +7,10 @@
 
 if [ ! -z "$srcdir" ]; then
    testdir="$srcdir/glsl/glcpp/tests"
-   glcpp_test="$srcdir/glsl/glcpp/tests/glcpp-test"
+   glcpp_test="$srcdir/glsl/glcpp/tests/glcpp-test.sh"
 else
    testdir=.
-   glcpp_test=./glcpp-test
+   glcpp_test=./glcpp-test.sh
 fi
 
 total=0

src/compiler/glsl/tests/compare_ir.py

@@ -34,7 +34,7 @@ import tempfile
 from sexps import *
 
 if len(sys.argv) != 3:
-    print 'Usage: compare_ir <file1> <file2>'
+    print 'Usage: python2 ./compare_ir.py <file1> <file2>'
     exit(1)
 
 with open(sys.argv[1]) as f:

src/compiler/glsl/tests/optimization-test.sh

@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 
 if [ ! -z "$srcdir" ]; then
-   compare_ir=`pwd`/tests/compare_ir
+   compare_ir=`pwd`/tests/compare_ir.py
 else
-   compare_ir=./compare_ir
+   compare_ir=./compare_ir.py
 fi
 
 total=0