compute_descriptor_array_ssbo.amber

#!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 450
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

layout(binding = 0) buffer block0
{
    int data;
} ssbo_array_0[2];

layout(binding = 1) buffer block1
{
    int data;
} ssbo_array_1[2];

void main()
{
    ssbo_array_0[0].data = 1;
    ssbo_array_0[1].data = 2;
    ssbo_array_1[0].data = 3;
    ssbo_array_1[1].data = 4;
}
END

BUFFER buf0 DATA_TYPE int32 DATA
0
END

BUFFER buf1 DATA_TYPE int32 DATA
0
END

# The Vulkan spec lists the maximum value of minStorageBufferOffsetAlignment
# (i.e. the maximum possible alignment requirement) as 256 bytes, so we will use
# buffer with size of 65 int32 values = 260 bytes.
BUFFER buf2 DATA_TYPE int32 SIZE 65 FILL 0

PIPELINE compute pipeline
  ATTACH compute_shader

  BIND BUFFER_ARRAY buf0 buf1 AS storage DESCRIPTOR_SET 0 BINDING 0
  BIND BUFFER_ARRAY buf2 buf2 AS storage DESCRIPTOR_SET 0 BINDING 1 DESCRIPTOR_OFFSET 0 256 DESCRIPTOR_RANGE 256 4
END

RUN pipeline 1 1 1

EXPECT buf0 IDX 0 EQ 1
EXPECT buf1 IDX 0 EQ 2
EXPECT buf2 IDX 0 EQ 3
EXPECT buf2 IDX 256 EQ 4