add test (#604)

1 files changed, 69 insertions, 0 deletions

diff --git a/tests/cases/draw_array_instanced.vkscript b/tests/cases/draw_array_instanced.vkscript
new file mode 100644
index 0000000..88d57c1
--- /dev/null
+++ b/tests/cases/draw_array_instanced.vkscript
@@ -0,0 +1,69 @@
+# Copyright 2019 The Amber Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[vertex shader]
+#version 430
+
+layout(location = 0) in vec4 position;
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+  const vec4 color[4] =
+    { vec4(1.,0.,0.,1.),
+      vec4(0.,1.,0.,1.),
+      vec4(0.,0.,1.,1.),
+      vec4(1.,0.,1.,1.)};
+
+  const vec4 pos[4] =
+    { vec4(0. ,0. ,0. ,0. ),
+      vec4(0. ,1. ,0. ,0.),
+      vec4(1., 0., 0., 0),
+      vec4(1. ,1.,0., 0.)};
+
+  gl_Position = position + pos[gl_InstanceIndex % 4];
+  frag_color = color[gl_InstanceIndex % 4];
+}
+
+[fragment shader]
+#version 430
+
+layout(location = 0) in vec4 frag_color;
+layout(location = 0) out vec4 final_color;
+
+void main() {
+  final_color = frag_color;
+}
+
+[vertex data]
+#        position
+     0/R8G8_SNORM
+
+#   Quarter frame
+#         R8   G8
+        -128  -128
+           0  -128
+           0     0
+
+        -128   -128
+        -128      0
+           0      0
+
+[test]
+clear
+
+draw arrays instanced TRIANGLE_LIST 0 6 4
+relative probe rect rgba (0.0, 0.0, 0.5, 0.5) (1.0, 0.0, 0.0, 1.0)
+relative probe rect rgba (0.5, 0.0, 0.5, 0.5) (0.0, 0.0, 1.0, 1.0)
+relative probe rect rgba (0.0, 0.5, 0.5, 0.5) (0.0, 1.0, 0.0, 1.0)
+relative probe rect rgba (0.5, 0.5, 0.5, 0.5) (1.0, 0.0, 1.0, 1.0)