diff options
Diffstat (limited to 'servers/visual/shader_language.cpp')
| -rw-r--r-- | servers/visual/shader_language.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp index 4de902af58..e10a57c571 100644 --- a/servers/visual/shader_language.cpp +++ b/servers/visual/shader_language.cpp @@ -254,6 +254,9 @@ const ShaderLanguage::KeyWord ShaderLanguage::keyword_list[] = { { TK_TYPE_ISAMPLER2D, "isampler2D" }, { TK_TYPE_USAMPLER2D, "usampler2D" }, { TK_TYPE_SAMPLERCUBE, "samplerCube" }, + { TK_INTERPOLATION_FLAT, "flat" }, + { TK_INTERPOLATION_NO_PERSPECTIVE, "noperspective" }, + { TK_INTERPOLATION_SMOOTH, "smooth" }, { TK_PRECISION_LOW, "lowp" }, { TK_PRECISION_MID, "mediump" }, { TK_PRECISION_HIGH, "highp" }, @@ -658,6 +661,24 @@ ShaderLanguage::DataType ShaderLanguage::get_token_datatype(TokenType p_type) { return DataType(p_type - TK_TYPE_VOID); } +bool ShaderLanguage::is_token_interpolation(TokenType p_type) { + + return ( + p_type == TK_INTERPOLATION_FLAT || + p_type == TK_INTERPOLATION_NO_PERSPECTIVE || + p_type == TK_INTERPOLATION_SMOOTH); +} + +ShaderLanguage::DataInterpolation ShaderLanguage::get_token_interpolation(TokenType p_type) { + + if (p_type == TK_INTERPOLATION_FLAT) + return INTERPOLATION_FLAT; + else if (p_type == TK_INTERPOLATION_NO_PERSPECTIVE) + return INTERPOLATION_NO_PERSPECTIVE; + else + return INTERPOLATION_SMOOTH; +} + bool ShaderLanguage::is_token_precision(TokenType p_type) { return ( @@ -3576,10 +3597,16 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct bool uniform = tk.type == TK_UNIFORM; DataPrecision precision = PRECISION_DEFAULT; + DataInterpolation interpolation = INTERPOLATION_SMOOTH; DataType type; StringName name; tk = _get_token(); + if (is_token_interpolation(tk.type)) { + interpolation = get_token_interpolation(tk.type); + tk = _get_token(); + } + if (is_token_precision(tk.type)) { precision = get_token_precision(tk.type); tk = _get_token(); @@ -3777,6 +3804,7 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct ShaderNode::Varying varying; varying.type = type; varying.precission = precision; + varying.interpolation = interpolation; shader->varyings[name] = varying; tk = _get_token(); |