| uniform float2x2 testMatrix2x2; |
| uniform half4 colorRed, colorGreen; |
| uniform half unknownInput; |
| |
| bool test() { |
| bool ok = true; |
| ok = ok && (float2x2(float2(1.0, 0.0), float2(0.0, 1.0)) == |
| float2x2(float2(1.0, 0.0), float2(0.0, 1.0))); |
| ok = ok && !(float2x2(float2(1.0, 0.0), float2(1.0, 1.0)) == |
| float2x2(float2(1.0, 0.0), float2(0.0, 1.0))); |
| |
| ok = ok && ( float2x2(1) == float2x2(1)); |
| ok = ok && !( float2x2(1) == float2x2(0)); |
| ok = ok && ( float2x2(-1) == -float2x2(1)); |
| ok = ok && ( float2x2(0) == -float2x2(0)); |
| ok = ok && (-float2x2(-1) == float2x2(1)); |
| ok = ok && (-float2x2(0) == -float2x2(-0)); |
| |
| ok = ok && (float2x2(1) == float2x2(float2(1.0, 0.0), float2(0.0, 1.0))); |
| ok = ok && !(float2x2(2) == float2x2(float2(1.0, 0.0), float2(0.0, 1.0))); |
| |
| ok = ok && !(float2x2(1) != float2x2(1)); |
| ok = ok && (float2x2(1) != float2x2(0)); |
| ok = ok && (float3x3(float3(1.0, 0.0, 0.0), float3(0.0, 1.0, 0.0), float3(0.0, 0.0, 1.0)) == |
| float3x3(float2x2(1.0))); |
| ok = ok && (float3x3(float3(9.0, 0.0, 0.0), float3(0.0, 9.0, 0.0), float3(0.0, 0.0, 1.0)) == |
| float3x3(float2x2(9.0))); |
| ok = ok && (float3x3(unknownInput) == float3x3(float2x2(1.0))); |
| ok = ok && (float3x3(float3(9).x00, float3(9).0x0, float3(unknownInput).00x) == |
| float3x3(float2x2(9.0))); |
| ok = ok && (float2x2(float3x3(1.0)) == float2x2(1.0)); |
| ok = ok && (float2x2(float3x3(1.0)) == float2x2(1.0)); |
| ok = ok && (float2x2(float4(1.0, 0.0, 0.0, 1.0)) == float2x2(1.0)); |
| ok = ok && (float2x2(1.0, 0.0, float2(0.0, 1.0)) == float2x2(1.0)); |
| ok = ok && (float2x2(float2(1.0, 0.0), 0.0, 1.0) == float2x2(1.0)); |
| |
| ok = ok && (float4(testMatrix2x2) * float4(1)) == float4(1, 2, 3, 4); |
| ok = ok && (float4(testMatrix2x2) * float4(1)) == float4(testMatrix2x2); |
| ok = ok && (float4(testMatrix2x2) * float4(0)) == float4(0); |
| |
| ok = ok && (float2x2(5.0)[0] == float2(5.0, 0.0)); |
| ok = ok && (float2x2(5.0)[1] == float2(0.0, 5.0)); |
| |
| ok = ok && (float2x2(5.0)[0][0] == 5.0); |
| ok = ok && (float2x2(5.0)[0][1] == 0.0); |
| ok = ok && (float2x2(5.0)[1][0] == 0.0); |
| ok = ok && (float2x2(5.0)[1][1] == 5.0); |
| |
| const float3x3 m = float3x3(1, 2, 3, 4, 5, 6, 7, 8, 9); |
| ok = ok && (m[0] == float3(1, 2, 3)); |
| ok = ok && (m[1] == float3(4, 5, 6)); |
| ok = ok && (m[2] == float3(7, 8, 9)); |
| |
| ok = ok && (m[0][0] == 1); |
| ok = ok && (m[0][1] == 2); |
| ok = ok && (m[0][2] == 3); |
| ok = ok && (m[1][0] == 4); |
| ok = ok && (m[1][1] == 5); |
| ok = ok && (m[1][2] == 6); |
| ok = ok && (m[2][0] == 7); |
| ok = ok && (m[2][1] == 8); |
| ok = ok && (m[2][2] == 9); |
| |
| { |
| // This `five` is constant and should always fold. |
| const float five = 5.0; |
| ok = ok && (float2x2(five)[0] == float2(five, 0.0)); |
| ok = ok && (float2x2(five)[1] == float2(0.0, five)); |
| |
| ok = ok && (float2x2(five)[0][0] == five); |
| ok = ok && (float2x2(five)[0][1] == 0.0); |
| ok = ok && (float2x2(five)[1][0] == 0.0); |
| ok = ok && (float2x2(five)[1][1] == five); |
| |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[0] == float3(1, 2, 3)); |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[1] == float3(4, five, 6)); |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[2] == float3(7, 8, 9)); |
| } |
| { |
| // This `five` cannot be folded, but the first and third columns should still be foldable. |
| float five = 5.0; |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[0] == float3(1, 2, 3)); |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[1] == float3(4, five, 6)); |
| ok = ok && (float3x3(1, 2, 3, 4, five, 6, 7, 8, 9)[2] == float3(7, 8, 9)); |
| } |
| { |
| // Side-effecting expressions should never be folded away. |
| float num = 6.0; |
| ok = ok && (float3x3(1, 2, 3, 4, 5, num++, 7, 8, 9)[0] == float3(1, 2, 3)); |
| ok = ok && (float3x3(1, 2, 3, 4, 5, 6, num++, 8, 9)[1] == float3(4, 5, 6)); |
| ok = ok && (float3x3(1, 2, 3, 4, 5, 6, 7, num++, 9)[2] == float3(7, 8, 9)); |
| } |
| { |
| // The upper-left 2x2 of the matrix is unknown, but the bottom two rows are still foldable. |
| ok = ok && float4x4(half3x3(testMatrix2x2))[0] == float4(1, 2, 0, 0); |
| ok = ok && float4x4(half3x3(testMatrix2x2))[1] == float4(3, 4, 0, 0); |
| ok = ok && float4x4(half3x3(testMatrix2x2))[2] == float4(0, 0, 1, 0); |
| ok = ok && float4x4(half3x3(testMatrix2x2))[3] == float4(0, 0, 0, 1); |
| } |
| |
| return ok; |
| } |
| |
| half4 main(float2 coords) { |
| return test() ? colorGreen : colorRed; |
| } |
