1#!amber
2# Copyright 2020 The Amber Authors.
3# Copyright 2020 The Google LLC
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     https://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17SHADER vertex vert_shader GLSL
18#version 430
19
20layout(location = 0) in vec4 position;
21layout(location = 1) out vec4 frag_color;
22
23void main() {
24  gl_Position = position;
25  frag_color = position * 0.5;
26}
27END
28
29SHADER fragment frag_shader GLSL
30#version 430
31layout(location = 0) out vec4 color_out;
32layout(location = 1) in vec4 frag_color;
33void main() {
34  ivec2 iv = ivec2(frag_color.xy * 256);
35  if (((iv.y / 2) & 64) == 64)
36    color_out = vec4(1, 0, 0, 1);
37  else
38    color_out = vec4(0, 1, 1, 1);
39}
40END
41
42BUFFER framebuffer FORMAT B8G8R8A8_UNORM
43
44PIPELINE graphics my_pipeline
45  ATTACH vert_shader
46  ATTACH frag_shader
47  BIND BUFFER framebuffer AS color LOCATION 0
48END
49
50RUN my_pipeline DRAW_RECT POS 0 0 SIZE 250 250
51EXPECT framebuffer IDX 0 220 SIZE 30 30 EQ_RGBA 0 255 255 255
52EXPECT framebuffer IDX 0 0 SIZE 30 30 EQ_RGBA 255 0 0 255
53
54