tests/cases/compute_ssbo_with_tolerance.amber

#!amber
# 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.

SHADER compute compute_shader GLSL
#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];
}
END

BUFFER buf0 DATA_TYPE vec3<float> DATA  1.0  2.0  3.0 END
BUFFER buf1 DATA_TYPE vec3<float> DATA  4.0  5.0  6.0 END
BUFFER buf2 DATA_TYPE vec3<float> DATA 21.0 22.0 23.0 END
BUFFER buf3 DATA_TYPE vec3<float> DATA  0.7  0.8  0.9 END

PIPELINE compute pipeline
  ATTACH compute_shader

  BIND BUFFER buf0 AS storage DESCRIPTOR_SET 0 BINDING 0
  BIND BUFFER buf1 AS storage DESCRIPTOR_SET 1 BINDING 2
  BIND BUFFER buf2 AS storage DESCRIPTOR_SET 2 BINDING 1
  BIND BUFFER buf3 AS storage DESCRIPTOR_SET 2 BINDING 3
END

RUN pipeline 3 1 1

EXPECT buf0 IDX 0 EQ  2.0  3.0  4.0
EXPECT buf1 IDX 0 EQ 17.0 17.0 17.0
EXPECT buf2 IDX 0 EQ 28.0 30.0 32.0
EXPECT buf3 IDX 0 EQ 21.0 24.0 27.0

EXPECT buf0 IDX 0 TOLERANCE 1 EQ  2.99  3.99  4.99
EXPECT buf1 IDX 0 TOLERANCE 1 EQ 17.99 17.99 17.99
EXPECT buf2 IDX 0 TOLERANCE 1 EQ 28.99 30.99 32.99
EXPECT buf3 IDX 0 TOLERANCE 1 EQ 21.99 24.99 27.99

EXPECT buf0 IDX 0 TOLERANCE 1% EQ  2.0199  3.0199  4.0199
EXPECT buf1 IDX 0 TOLERANCE 1% EQ 17.0199 17.0199 17.0199
EXPECT buf2 IDX 0 TOLERANCE 1% EQ 28.0199 30.0199 32.0199
EXPECT buf3 IDX 0 TOLERANCE 1% EQ 21.0199 24.0199 27.0199