1#!amber
2# Copyright 2021 The Amber Authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     https://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16DEVICE_FEATURE sampleRateShading
17
18SHADER vertex vert_shader PASSTHROUGH
19
20SHADER fragment frag_shader GLSL
21#version 440
22layout(location = 0) out vec4 color;
23
24void main (void)
25{
26    if (gl_SampleID == 0)
27        color = vec4(1, 0, 0, 1);
28    else if (gl_SampleID == 1)
29        color = vec4(0, 1, 0, 1);
30    else if (gl_SampleID == 2)
31        color = vec4(0, 0, 1, 1);
32    else
33        color = vec4(1, 1, 1, 1);
34}
35END
36
37IMAGE framebuffer_ms FORMAT R8G8B8A8_UNORM DIM_2D WIDTH 64 HEIGHT 64 SAMPLES 4
38IMAGE framebuffer FORMAT R8G8B8A8_UNORM DIM_2D WIDTH 64 HEIGHT 64
39
40PIPELINE graphics pipeline
41  ATTACH vert_shader
42  ATTACH frag_shader
43  FRAMEBUFFER_SIZE 64 64
44  BIND BUFFER framebuffer_ms AS color LOCATION 0
45  BIND BUFFER framebuffer AS resolve
46END
47
48RUN pipeline DRAW_RECT POS 0 0 SIZE 64 64
49
50EXPECT framebuffer IDX 0 0 SIZE 64 64 EQ_RGBA 128 128 128 255 TOLERANCE 5%
51