Add a sample Android app (#183)

Fixes #179 

2 files changed, 54 insertions, 0 deletions

diff --git a/android_sample/assets/amber/compute_ssbo.amber b/android_sample/assets/amber/compute_ssbo.amber
new file mode 100644
index 0000000..5aa5942
--- /dev/null
+++ b/android_sample/assets/amber/compute_ssbo.amber
@@ -0,0 +1,54 @@
+# 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.
+
+[compute shader]
+#version 430
+
+layout(set = 0, binding = 0) buffer block0 {
+  float data_set0_binding0[3];
+};
+
+layout(set = 1, binding = 2) buffer block1 {
+  float data_set1_binding2[3];
+};
+
+layout(set = 2, binding = 1) buffer block2 {
+  float data_set2_binding1[3];
+};
+
+layout(set = 2, binding = 3) buffer block3 {
+  float data_set2_binding3[3];
+};
+
+void main() {
+  const uint index = gl_WorkGroupID.x;
+  data_set0_binding0[index] = data_set0_binding0[index] + 1.0f;
+  data_set1_binding2[index] = data_set2_binding1[index] -
+                              data_set1_binding2[index];
+  data_set2_binding1[index] = 10.0f * data_set2_binding3[index] +
+                              data_set2_binding1[index];
+  data_set2_binding3[index] = 30.0f * data_set2_binding3[index];
+}
+
+[test]
+ssbo 0:0 subdata vec3  0  1.0  2.0  3.0
+ssbo 1:2 subdata vec3  0  4.0  5.0  6.0
+ssbo 2:1 subdata vec3  0 21.0 22.0 23.0
+ssbo 2:3 subdata vec3  0  0.7  0.8  0.9
+compute 3 1 1
+
+probe ssbo vec3 0:0 0 ~=  2.0  3.0  4.0
+probe ssbo vec3 1:2 0 ~= 17.0 17.0 17.0
+probe ssbo vec3 2:1 0 ~= 28.0 30.0 32.0
+probe ssbo vec3 2:3 0 ~= 21.0 24.0 27.0
diff --git a/android_sample/assets/amber/compute_ssbo.amber.vk_shader_0.spv b/android_sample/assets/amber/compute_ssbo.amber.vk_shader_0.spv
new file mode 100644
index 0000000..535357f
--- /dev/null
+++ b/android_sample/assets/amber/compute_ssbo.amber.vk_shader_0.spv