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# 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.
[require]
framebuffer R16G16B16A16_UINT
[vertex shader]
#version 430
layout(location = 0) in vec4 position;
layout(location = 1) in vec4 vert_color;
layout(location = 0) out vec4 frag_color;
void main() {
gl_Position = position;
frag_color = vert_color;
}
[fragment shader]
#version 430
layout(location = 0) in vec4 frag_color;
layout(location = 0) out uvec4 final_color;
void main() {
final_color.r = uint(frag_color.r * 256.0f * 256.0f);
final_color.g = uint(frag_color.g * 256.0f * 256.0f);
final_color.b = uint(frag_color.b * 256.0f * 256.0f);
final_color.a = uint(frag_color.a * 256.0f * 256.0f);
}
[vertex data]
# position vert_color
0/R8G8_SNORM 1/R8G8B8_UNORM
# Red for entire frame
# R8 G8 R8 G8 B8
-128 -128 255 0 0
127 127 255 0 0
-128 127 255 0 0
-128 -128 255 0 0
127 127 255 0 0
127 -128 255 0 0
# Green for half frame
# R8 G8 R8 G8 B8
0 -128 0 255 0
127 127 0 255 0
0 127 0 255 0
0 -128 0 255 0
127 127 0 255 0
127 -128 0 255 0
# Blue for quarter frame
# R8 G8 R8 G8 B8
-128 0 0 0 255
0 127 0 0 255
-128 127 0 0 255
-128 0 0 0 255
0 127 0 0 255
0 0 0 0 255
# Mixed color for quarter frame
# R8 G8 R8 G8 B8
0 0 127 127 127
127 127 127 127 127
0 127 127 127 127
0 0 127 127 127
127 127 127 127 127
127 0 127 127 127
[test]
clear
# Some GPU has precision issues for large floats and it needs enough tolerance.
tolerance 0.8%
draw arrays TRIANGLE_LIST 0 6
relative probe rect rgb (0.0, 0.0, 1.0, 1.0) (65535.0, 0.0, 0.0)
draw arrays TRIANGLE_LIST 6 6
relative probe rect rgb (0.0, 0.0, 0.5, 1.0) (65535.0, 0.0, 0.0)
relative probe rect rgb (0.5, 0.0, 0.5, 1.0) ( 0.0, 65535.0, 0.0)
draw arrays TRIANGLE_LIST 12 6
relative probe rect rgb (0.0, 0.0, 0.5, 0.5) (65535.0, 0.0, 0.0)
relative probe rect rgb (0.5, 0.0, 0.5, 1.0) ( 0.0, 65535.0, 0.0)
relative probe rect rgb (0.0, 0.5, 0.5, 0.5) ( 0.0, 0.0, 65535.0)
draw arrays TRIANGLE_LIST 18 6
relative probe rect rgb (0.0, 0.0, 0.5, 0.5) (65535.0, 0.0, 0.0)
relative probe rect rgb (0.5, 0.0, 0.5, 0.5) ( 0.0, 65535.0, 0.0)
relative probe rect rgb (0.0, 0.5, 0.5, 0.5) ( 0.0, 0.0, 65535.0)
relative probe rect rgb (0.5, 0.5, 0.5, 0.5) (32767.5, 32767.5, 32767.5)
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