diff options
| -rw-r--r-- | src/compiler/glsl/glsl_to_nir.cpp | 1 | ||||
| -rw-r--r-- | src/compiler/nir/nir.h | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp index 99df6e0baf5..ce8da1ce438 100644 --- a/src/compiler/glsl/glsl_to_nir.cpp +++ b/src/compiler/glsl/glsl_to_nir.cpp @@ -315,6 +315,7 @@ nir_visitor::visit(ir_variable *ir) var->type = ir->type; var->name = ralloc_strdup(var, ir->name); + var->data.always_active_io = ir->data.always_active_io; var->data.read_only = ir->data.read_only; var->data.centroid = ir->data.centroid; var->data.sample = ir->data.sample; diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h index 8330e6d7ce7..fab2110f619 100644 --- a/src/compiler/nir/nir.h +++ b/src/compiler/nir/nir.h @@ -192,6 +192,16 @@ typedef struct nir_variable { unsigned invariant:1; /** + * When separate shader programs are enabled, only input/outputs between + * the stages of a multi-stage separate program can be safely removed + * from the shader interface. Other input/outputs must remains active. + * + * This is also used to make sure xfb varyings that are unused by the + * fragment shader are not removed. + */ + unsigned always_active_io:1; + + /** * Interpolation mode for shader inputs / outputs * * \sa glsl_interp_mode |