1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
[require]
GL ES >= 2.0
GLSL ES >= 1.00
GL_EXT_shader_framebuffer_fetch
[vertex shader]
#version 100
attribute highp vec4 vertex;
varying highp vec4 vcolor;
void main()
{
gl_Position = vertex;
vcolor = vec4((1.0 + vertex.x) / 2.0, (1.0 + vertex.y) / 2.0, 0.0, 1.0);
}
[fragment shader]
#version 100
#extension GL_EXT_shader_framebuffer_fetch : enable
lowp vec4 gl_LastFragData[gl_MaxDrawBuffers];
varying highp vec4 vcolor;
void main()
{
if (gl_LastFragData[0].x <= 0.5 && gl_LastFragData[0].y <= 0.5)
gl_FragData[0] = gl_LastFragData[0] + vcolor;
else
gl_FragData[0] = gl_LastFragData[0] +
vec4((vcolor.x >= 0.5 ? 1.0 : 0.0) - vcolor.x,
(vcolor.y >= 0.5 ? 1.0 : 0.0) - vcolor.y, 0, 0);
}
[test]
texture rgbw 0 (250, 250) GL_RGBA8
fb tex 2d 0
clear color 0.0 0.0 1.0 0.0
clear
draw rect -1 -1 2 2
draw rect -1 -1 2 2
relative probe rect rgb (0.55, 0.0, 0.45, 0.45) (1.0, 0.0, 1.0)
relative probe rect rgb (0.0, 0.55, 0.45, 0.45) (0.0, 1.0, 1.0)
relative probe rect rgb (0.55, 0.55, 0.45, 0.45) (1.0, 1.0, 1.0)
|
