android13/external/skia/tests/sksl/shared/MatrixConstructorsES2.glsl

13 lines
494 B
GLSL

out vec4 sk_FragColor;
uniform vec4 colorGreen;
uniform vec4 colorRed;
uniform mat2 testMatrix2x2;
vec4 main() {
vec4 f4 = vec4(testMatrix2x2);
bool ok = mat2(f4.xyz, 4.0) == mat2(1.0, 2.0, 3.0, 4.0);
ok = ok && mat3(f4.xy, f4.zw, f4, f4.x) == mat3(1.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0, 1.0);
ok = ok && mat4(f4.xyz, f4.wxy, f4.zwxy, f4.zw, f4) == mat4(1.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0);
return ok ? colorGreen : colorRed;
}