tests/cases/int8.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.

INSTANCE_EXTENSION VK_KHR_get_physical_device_properties2
DEVICE_EXTENSION VK_KHR_shader_float16_int8
DEVICE_EXTENSION VK_KHR_storage_buffer_storage_class
DEVICE_EXTENSION VK_KHR_8bit_storage
DEVICE_FEATURE Float16Int8Features.shaderInt8
DEVICE_FEATURE Storage8BitFeatures.uniformAndStorageBuffer8BitAccess
DEVICE_FEATURE Storage8BitFeatures.storagePushConstant8

SHADER compute comp_shader GLSL
#version 450
#extension GL_EXT_shader_explicit_arithmetic_types_int8 : require

layout(set=0, binding=0) buffer Buf {
  int8_t value;
} data;

layout(push_constant) uniform PushConstantsBlock {
  int8_t factor;
} pushConstants;

void main() {
  data.value = data.value * pushConstants.factor;
}
END

BUFFER buf DATA_TYPE int8 DATA 63 END
BUFFER pushc DATA_TYPE int8 DATA 2 END

PIPELINE compute pipeline
  ATTACH comp_shader

  BIND BUFFER buf AS storage DESCRIPTOR_SET 0 BINDING 0
  BIND BUFFER pushc AS push_constant
END

RUN pipeline 1 1 1

EXPECT buf IDX 0 EQ 126