Vulkan: add SSBO (#63)

Add SSBO and Vulkan objects to use descriptors.

Fixes #11

1 files changed, 58 insertions, 0 deletions

diff --git a/tests/cases/ssbo_with_graphics_pipeline.amber b/tests/cases/ssbo_with_graphics_pipeline.amber
new file mode 100644
index 0000000..4fb70c9
--- /dev/null
+++ b/tests/cases/ssbo_with_graphics_pipeline.amber
@@ -0,0 +1,58 @@
+# Copyright 2018 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 = 1) in vec4 vert_color;
+layout(location = 0) out vec4 frag_color;
+
+layout(set = 0, binding = 0) buffer block1 {
+  vec4 add_on;
+};
+
+void main() {
+  gl_Position = position;
+  frag_color = vert_color + add_on;
+}
+
+[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                   vert_color
+0/R32G32_SFLOAT        1/R32G32B32A32_SFLOAT
+
+#      R32  G32         R32   G32    B32 B32
+      -1.0 -1.0         0.5  0.25  0.125   0
+       1.0  1.0         0.5  0.25  0.125   0
+      -1.0  1.0         0.5  0.25  0.125   0
+
+      -1.0 -1.0         0.5  0.25  0.125   0
+       1.0  1.0         0.5  0.25  0.125   0
+       1.0 -1.0         0.5  0.25  0.125   0
+
+[test]
+ssbo 0 subdata vec4 0 0.1 0.2 0.3 0.4
+clear
+draw arrays TRIANGLE_LIST 0 6
+relative probe rect rgba (0.0, 0.0, 1.0, 1.0) (0.6, 0.45, 0.425, 0.4)