SKIP: FAILED #version 310 es void reverseBits_e31adf() { uint res = reversebits(1u); } vec4 vertex_main() { reverseBits_e31adf(); return vec4(0.0f, 0.0f, 0.0f, 0.0f); } void main() { vec4 inner_result = vertex_main(); gl_Position = inner_result; gl_Position.y = -(gl_Position.y); gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w); return; } Error parsing GLSL shader: ERROR: 0:4: 'reversebits' : no matching overloaded function found ERROR: 0:4: '=' : cannot convert from ' const float' to ' temp highp uint' ERROR: 0:4: '' : compilation terminated ERROR: 3 compilation errors. No code generated. #version 310 es precision mediump float; void reverseBits_e31adf() { uint res = reversebits(1u); } void fragment_main() { reverseBits_e31adf(); } void main() { fragment_main(); return; } Error parsing GLSL shader: ERROR: 0:5: 'reversebits' : no matching overloaded function found ERROR: 0:5: '=' : cannot convert from ' const float' to ' temp mediump uint' ERROR: 0:5: '' : compilation terminated ERROR: 3 compilation errors. No code generated. #version 310 es void reverseBits_e31adf() { uint res = reversebits(1u); } void compute_main() { reverseBits_e31adf(); } layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void main() { compute_main(); return; } Error parsing GLSL shader: ERROR: 0:4: 'reversebits' : no matching overloaded function found ERROR: 0:4: '=' : cannot convert from ' const float' to ' temp highp uint' ERROR: 0:4: '' : compilation terminated ERROR: 3 compilation errors. No code generated.