diff options
Diffstat (limited to 'src/gpu/glsl')
| -rw-r--r-- | src/gpu/glsl/GrGLSLProgramBuilder.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gpu/glsl/GrGLSLProgramBuilder.cpp b/src/gpu/glsl/GrGLSLProgramBuilder.cpp index a6bff8a85a..3383221ebf 100644 --- a/src/gpu/glsl/GrGLSLProgramBuilder.cpp +++ b/src/gpu/glsl/GrGLSLProgramBuilder.cpp @@ -89,6 +89,9 @@ void GrGLSLProgramBuilder::emitAndInstallPrimProc(const GrPrimitiveProcessor& pr const char* distanceVectorName = nullptr; if (this->fPipeline.usesDistanceVectorField() && proc.implementsDistanceVector()) { + // Each individual user (FP) of the distance vector must be able to handle having this + // variable be undeclared. There is no single default value that will yield a reasonable + // result for all users. distanceVectorName = fFS.distanceVectorName(); fFS.codeAppend( "// Normalized vector to the closest geometric edge (in device space)\n"); fFS.codeAppend( "// Distance to the edge encoded in the z-component\n"); |