compute_push_constant_and_ssbo.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 {
  uint data_set0_binding0[];
};

// push_constant compiled as std430 by glslang
layout(push_constant) uniform block1 {
  uint constant0[3];   // Offset:  0, array stride:  4
  uint constant1;      //         12
  uvec3 constant2[3];  //         16, array stride: 16
  uint constant3;      //         64
};

void main() {
  int offset = 0;
  for (int i = 0; i < 3; ++i)
    data_set0_binding0[offset++] = constant0[i];

  data_set0_binding0[offset++] = constant1;

  for (int i = 0; i < 3; ++i) {
    for (int j = 0; j < 3; ++j)
      data_set0_binding0[offset++] = constant2[i][j];
  }

  data_set0_binding0[offset++] = constant3;
}
END

BUFFER buf0 DATA_TYPE uint32 SIZE 14 FILL 0
BUFFER const_buf DATA_TYPE uint32 DATA
 1  2  3  4  # constant0[3] + constant1
 5  6  7  0  # constant2[0]
 8  9 10  0  # constant2[1]
11 12 13  0  # constant2[2]
14           # constant3
END

PIPELINE compute pipeline
  ATTACH compute_shader

  BIND BUFFER buf0 AS storage DESCRIPTOR_SET 0 BINDING 0
  BIND BUFFER const_buf AS push_constant
END

RUN pipeline 3 1 1

BUFFER result DATA_TYPE uint32 DATA
 1  2  3  4
 5  6  7  8
 9 10 11 12
13 14
END
EXPECT buf0 EQ_BUFFER result