[Piglit] [PATCH] generator: clear before rendering with the builtin tests

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Otherwise there is a chance you'll get the contents from the last
test which are green, and if this test fails to renderer you'll pass.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 generated_tests/gen_builtin_uniform_tests.py      | 2 ++
 generated_tests/gen_builtin_uniform_tests_fp64.py | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/generated_tests/gen_builtin_uniform_tests.py b/generated_tests/gen_builtin_uniform_tests.py
index 528c2c1..b61f95f 100644
--- a/generated_tests/gen_builtin_uniform_tests.py
+++ b/generated_tests/gen_builtin_uniform_tests.py
@@ -538,6 +538,8 @@ class ShaderTest(object):
         if vs:
             shader_test += self.make_vbo_data()
         shader_test += '[test]\n'
+        shader_test += 'clear color 0.0 0.0 1.0 0.0\n'
+        shader_test += 'clear\n'
         shader_test += self.make_test()
         filename = self.filename()
         dirname = os.path.dirname(filename)
diff --git a/generated_tests/gen_builtin_uniform_tests_fp64.py b/generated_tests/gen_builtin_uniform_tests_fp64.py
index cc53d0c..78c2ace 100644
--- a/generated_tests/gen_builtin_uniform_tests_fp64.py
+++ b/generated_tests/gen_builtin_uniform_tests_fp64.py
@@ -508,6 +508,8 @@ class ShaderTest(object):
         shader_test += '\n'
         shader_test += self.make_vbo_data()
         shader_test += '[test]\n'
+        shader_test += 'clear color 0.0 0.0 1.0 0.0\n'
+        shader_test += 'clear\n'
         shader_test += self.make_test()
         filename = self.filename()
         dirname = os.path.dirname(filename)
-- 
2.1.0