# 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.

[vertex shader]
#version 450

layout(push_constant) uniform PushConstants {
  vec2 in_val[4];
} u_pushConstants;

void main() {
  gl_Position = vec4(u_pushConstants.in_val[gl_VertexIndex], 0.0, 1.0);
}

[fragment shader]
#version 430
layout(location = 0) out vec4 outColor;
void main() {
    outColor = vec4(0.5, 0.5, 0.5, 1.0);
}

[test]

uniform float 0 -1.0 -1.0 1.0 -1.0 -1.0 0.0 1.0 0.0
clear
draw rect -1 -1 2 2

probe rect rgba (0,   0, 250, 125) (0.5 0.5 0.5 1.0)
probe rect rgba (0, 125, 250, 125) (0.0 0.0 0.0 0.0)