diff options
-rw-r--r-- | src/compiler/glsl/ast_to_hir.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp index b63937899cb..0bb2ba2a5e9 100644 --- a/src/compiler/glsl/ast_to_hir.cpp +++ b/src/compiler/glsl/ast_to_hir.cpp @@ -2750,6 +2750,17 @@ interpret_interpolation_qualifier(const struct ast_type_qualifier *qual, "vertex shader inputs or fragment shader outputs", interpolation_string(interpolation)); } + } else if (state->es_shader && + ((mode == ir_var_shader_in && + state->stage != MESA_SHADER_VERTEX) || + (mode == ir_var_shader_out && + state->stage != MESA_SHADER_FRAGMENT))) { + /* Section 4.3.9 (Interpolation) of the GLSL ES 3.00 spec says: + * + * "When no interpolation qualifier is present, smooth interpolation + * is used." + */ + interpolation = INTERP_QUALIFIER_SMOOTH; } return interpolation; |