# Copyright 2018 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.


[vertex shader]
#version 430

layout(location = 0) in vec4 position;
layout(location = 1) in vec4 vert_color;
layout(location = 0) out vec4 frag_color;

layout(set = 0, binding = 0) readonly buffer block1 {
  vec4 add_on;
};

void main() {
  gl_Position = position;
  frag_color = vert_color + add_on;
}

[fragment shader]
#version 430

layout(location = 0) in vec4 frag_color;
layout(location = 0) out vec4 final_color;

void main() {
  final_color = frag_color;
}

[vertex data]
#      position                   vert_color
0/R32G32_SFLOAT        1/R32G32B32A32_SFLOAT

#      R32  G32         R32   G32    B32 B32
      -1.0 -1.0         0.5  0.25  0.125   0
       1.0  1.0         0.5  0.25  0.125   0
      -1.0  1.0         0.5  0.25  0.125   0

      -1.0 -1.0         0.5  0.25  0.125   0
       1.0  1.0         0.5  0.25  0.125   0
       1.0 -1.0         0.5  0.25  0.125   0

[test]
ssbo 0 subdata vec4 0 0.1 0.2 0.3 0.4
clear
draw arrays TRIANGLE_LIST 0 6
relative probe rect rgba (0.0, 0.0, 1.0, 1.0) (0.6, 0.45, 0.425, 0.4)