From dd0874e7175974921ddf7ad08aa4e76db999ad80 Mon Sep 17 00:00:00 2001 From: Yuri Roubinsky Date: Sat, 26 Dec 2020 14:26:19 +0300 Subject: Allow passing varying from fragment to light shader function --- servers/rendering/shader_language.h | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'servers/rendering/shader_language.h') diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h index 27767378f9..14594b039c 100644 --- a/servers/rendering/shader_language.h +++ b/servers/rendering/shader_language.h @@ -41,6 +41,11 @@ class ShaderLanguage { public: + struct TkPos { + int char_idx; + int tk_line; + }; + enum TokenType { TK_EMPTY, TK_IDENTIFIER, @@ -598,10 +603,21 @@ public: }; struct Varying { + enum Stage { + STAGE_UNKNOWN, + STAGE_VERTEX, // transition stage to STAGE_VERTEX_TO_FRAGMENT or STAGE_VERTEX_TO_LIGHT, emits error if they are not used + STAGE_FRAGMENT, // transition stage to STAGE_FRAGMENT_TO_LIGHT, emits error if it's not used + STAGE_VERTEX_TO_FRAGMENT, + STAGE_VERTEX_TO_LIGHT, + STAGE_FRAGMENT_TO_LIGHT, + }; + + Stage stage = STAGE_UNKNOWN; DataType type = TYPE_VOID; DataInterpolation interpolation = INTERPOLATION_FLAT; DataPrecision precision = PRECISION_DEFAULT; int array_size = 0; + TkPos tkpos; Varying() {} }; @@ -780,11 +796,6 @@ private: StringName current_function; bool last_const = false; - struct TkPos { - int char_idx; - int tk_line; - }; - TkPos _get_tkpos() { TkPos tkp; tkp.char_idx = char_idx; @@ -864,6 +875,8 @@ private: bool _parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg = nullptr); bool _propagate_function_call_sampler_uniform_settings(StringName p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat); bool _propagate_function_call_sampler_builtin_reference(StringName p_name, int p_argument, const StringName &p_builtin); + bool _validate_varying_assign(ShaderNode::Varying &p_varying, String *r_message); + bool _validate_varying_using(ShaderNode::Varying &p_varying, String *r_message); Node *_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info); Node *_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info, DataType p_type, const StringName &p_struct_name, int p_array_size); -- cgit v1.2.3