[require]
GLSL >= 1.00 es
GL >= 2.0 es
# glUniformMatrix2x4fv only exists in OpenGL 2.1 or later.


[vertex shader]
attribute vec4 vertex;
mat4 proj = mat4(
	2.0/250.0, 0.0, 0.0, -1.0,
	0.0, 2.0/250.0, 0.0, -1.0,
	0.0, 0.0, -1.0, 0.0,
	0.0, 0.0, 0.0, 1.0);

uniform vec4 c;
uniform vec2 r;
uniform mat2x4 expected;
varying vec4 color;

void main() {
  gl_Position = vertex;
	gl_Position *= proj;
  mat2x4 result = outerProduct(c, r);
  color = (result == expected) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
}

[fragment shader]

varying vec4 color;
void main() { gl_FragColor = color; }

[test]
clear color 0.5 0.5 0.5 0.0
clear


uniform vec4 c  2 3 4 5
uniform vec2 r  6 7
uniform mat2x4 expected  12 18 24 30 14 21 28 35
draw rect 10 10 10 10
probe rgb 15 15 0.0 1.0 0.0

uniform vec4 c  3 4 5 6
uniform vec2 r  7 8
uniform mat2x4 expected  21 28 35 42 24 32 40 48
draw rect 30 10 10 10
probe rgb 35 15 0.0 1.0 0.0

uniform vec4 c  4 5 6 7
uniform vec2 r  8 9
uniform mat2x4 expected  32 40 48 56 36 45 54 63
draw rect 50 10 10 10
probe rgb 55 15 0.0 1.0 0.0

uniform vec4 c  5 6 7 8
uniform vec2 r  9 10
uniform mat2x4 expected  45 54 63 72 50 60 70 80
draw rect 70 10 10 10
probe rgb 75 15 0.0 1.0 0.0