| 64 | } |
| 65 | |
| 66 | std::string getFragmentShaderOnlyOddBlock( bool sampleMask /*= false */ ) |
| 67 | { |
| 68 | if ( sampleMask ) |
| 69 | return R"( |
| 70 | gl_SampleMask[0] = gl_SampleMaskIn[0]; |
| 71 | if (onlyOddFragments ) |
| 72 | { |
| 73 | if ( mod( gl_FragCoord.x + gl_FragCoord.y, 2 ) < 1 ) |
| 74 | gl_SampleMask[0] = gl_SampleMaskIn[0] & 0xaaaaaaaa; |
| 75 | else |
| 76 | gl_SampleMask[0] = gl_SampleMaskIn[0] & 0x55555555; |
| 77 | } |
| 78 | )"; |
| 79 | else |
| 80 | return R"( |
| 81 | if (onlyOddFragments && ((int(gl_FragCoord.x) + int(gl_FragCoord.y)) % 2) == 1) |
| 82 | discard; |
| 83 | )"; |
| 84 | } |
| 85 | |
| 86 | std::string getFragmentShaderHeaderBlock( bool gl4, bool alphaSort ) |
| 87 | { |
no outgoing calls
no test coverage detected