1#!amber
2# Copyright 2019 The Amber Authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     https://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16DEVICE_EXTENSION VK_KHR_shader_float16_int8
17DEVICE_EXTENSION VK_KHR_16bit_storage
18DEVICE_EXTENSION VK_KHR_storage_buffer_storage_class
19DEVICE_FEATURE Float16Int8Features.shaderFloat16
20DEVICE_FEATURE Storage16BitFeatures.storageBuffer16BitAccess
21
22SHADER compute f16 GLSL
23#version 450
24#extension GL_AMD_gpu_shader_half_float : enable
25
26layout(set=0, binding=0) buffer Buf {
27  float16_t h[3];
28} data;
29
30void main() {
31  int idx = int(gl_GlobalInvocationID.x);
32  data.h[idx] = data.h[idx] * 2.0hf;
33}
34END
35
36BUFFER buf DATA_TYPE float16 DATA
37-0.0
382.4
39-2.4
40END
41
42PIPELINE compute pipeline
43  ATTACH f16
44
45  BIND BUFFER buf AS storage DESCRIPTOR_SET 0 BINDING 0
46END
47
48RUN pipeline 3 1 1
49
50EXPECT buf IDX 0 TOLERANCE 0.1 EQ 0.0
51EXPECT buf IDX 2 TOLERANCE 0.1 EQ 4.8
52EXPECT buf IDX 4 TOLERANCE 0.1 EQ -4.8
53