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[require]
GLSL >= 1.20
# glUniformMatrix4x2fv only exists in OpenGL 2.1 or later.
GL >= 2.1
[vertex shader]
#version 120
void main() { gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; }
[fragment shader]
/* From page 43 (page 49 of the PDF) of the GLSL 1.20 spec:
*
* "If an exact match is found, the other signatures are ignored, and the
* exact match is used. Otherwise, if no exact match is found, then the
* implicit conversions in Section 4.1.10 "Implicit Conversions" will be
* applied to the calling arguments if this can make their types match a
* signature."
*
* From page 20 (page 26 of the PDF) of the GLSL 1.20 spec:
*
* "In some situations, an expression and its type will be implicitly
* converted to a different type. The following table shows all allowed
* implicit conversions:
*
* Type of expression Can be implicitly converted to
* int float
* ivec2 vec2
* ivec3 vec3
* ivec4 vec4"
*/
#version 120
const ivec2 c = ivec2(2, 3);
const ivec4 r = ivec4(4, 5, 6, 7);
uniform mat4x2 expected = mat4x2(8, 12, 10, 15, 12, 18, 14, 21);
void main() {
mat4x2 result = outerProduct(c, r);
gl_FragColor = (result == expected) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
}
[test]
clear color 0.5 0.5 0.5 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.0 1.0 0.0
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