Added buffer data loading from a text file (#839)

Also moved delegate from options to Amber object to be able to access it from a parser.

2 files changed, 56 insertions, 0 deletions

diff --git a/tests/cases/buffer_load_text.amber b/tests/cases/buffer_load_text.amber
new file mode 100644
index 0000000..569224d
--- /dev/null
+++ b/tests/cases/buffer_load_text.amber
@@ -0,0 +1,55 @@
+#!amber
+#
+# Copyright 2020 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.
+
+SHADER compute compute_shader GLSL
+#version 430
+
+layout(set = 0, binding = 0) buffer block0 {
+  float in_data[12];
+};
+
+layout(set = 0, binding = 1) buffer block1 {
+  float out_data[12];
+};
+
+void main() {
+    for (int i = 0; i < 12; i++)
+        out_data[i] = in_data[i] * 2.0;
+}
+END
+
+BUFFER buf0 DATA_TYPE vec4<float> SIZE 3 FILE TEXT vec4data.txt
+BUFFER buf1 DATA_TYPE vec4<float> SIZE 3 FILL 0.0
+
+BUFFER ref0 DATA_TYPE vec4<float> DATA
+1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
+END
+
+BUFFER ref1 DATA_TYPE vec4<float> DATA
+2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0
+END
+
+PIPELINE compute pipeline
+  ATTACH compute_shader
+
+  BIND BUFFER buf0 AS storage DESCRIPTOR_SET 0 BINDING 0
+  BIND BUFFER buf1 AS storage DESCRIPTOR_SET 0 BINDING 1
+END
+
+RUN pipeline 1 1 1
+
+EXPECT buf0 EQ_BUFFER ref0
+EXPECT buf1 EQ_BUFFER ref1
diff --git a/tests/cases/vec4data.txt b/tests/cases/vec4data.txt
new file mode 100644
index 0000000..ceb620d
--- /dev/null
+++ b/tests/cases/vec4data.txt
@@ -0,0 +1 @@
+1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0