1 files changed, 92 insertions, 0 deletions
diff --git a/servers/visual/rasterizer_rd/shader_compiler_rd.h b/servers/visual/rasterizer_rd/shader_compiler_rd.h
new file mode 100644
index 0000000000..3572a73a2d
--- /dev/null
+++ b/servers/visual/rasterizer_rd/shader_compiler_rd.h
@@ -0,0 +1,92 @@
+#ifndef SHADER_COMPILER_RD_H
+#define SHADER_COMPILER_RD_H
+
+#include "core/pair.h"
+#include "servers/visual/shader_language.h"
+#include "servers/visual/shader_types.h"
+#include "servers/visual_server.h"
+
+class ShaderCompilerRD {
+public:
+	struct IdentifierActions {
+
+		Map<StringName, Pair<int *, int> > render_mode_values;
+		Map<StringName, bool *> render_mode_flags;
+		Map<StringName, bool *> usage_flag_pointers;
+		Map<StringName, bool *> write_flag_pointers;
+
+		Map<StringName, ShaderLanguage::ShaderNode::Uniform> *uniforms;
+	};
+
+	struct GeneratedCode {
+
+		Vector<String> defines;
+		struct Texture {
+			StringName name;
+			ShaderLanguage::DataType type;
+			ShaderLanguage::ShaderNode::Uniform::Hint hint;
+			ShaderLanguage::TextureFilter filter;
+			ShaderLanguage::TextureRepeat repeat;
+		};
+
+		Vector<Texture> texture_uniforms;
+
+		Vector<uint32_t> uniform_offsets;
+		uint32_t uniform_total_size;
+		String uniforms;
+		String vertex_global;
+		String vertex;
+		String fragment_global;
+		String fragment;
+		String light;
+
+		bool uses_fragment_time;
+		bool uses_vertex_time;
+	};
+
+	struct DefaultIdentifierActions {
+
+		Map<StringName, String> renames;
+		Map<StringName, String> render_mode_defines;
+		Map<StringName, String> usage_defines;
+		Map<StringName, String> custom_samplers;
+		ShaderLanguage::TextureFilter default_filter;
+		ShaderLanguage::TextureRepeat default_repeat;
+		String sampler_array_name;
+		int base_texture_binding_index;
+		int texture_layout_set;
+		String base_uniform_string;
+	};
+
+private:
+	ShaderLanguage parser;
+
+	String _get_sampler_name(ShaderLanguage::TextureFilter p_filter, ShaderLanguage::TextureRepeat p_repeat);
+
+	void _dump_function_deps(const ShaderLanguage::ShaderNode *p_node, const StringName &p_for_func, const Map<StringName, String> &p_func_code, String &r_to_add, Set<StringName> &added);
+	String _dump_node_code(const ShaderLanguage::Node *p_node, int p_level, GeneratedCode &r_gen_code, IdentifierActions &p_actions, const DefaultIdentifierActions &p_default_actions, bool p_assigning);
+
+	const ShaderLanguage::ShaderNode *shader;
+	const ShaderLanguage::FunctionNode *function;
+	StringName current_func_name;
+	StringName vertex_name;
+	StringName fragment_name;
+	StringName light_name;
+	StringName time_name;
+	Set<StringName> texture_functions;
+
+	Set<StringName> used_name_defines;
+	Set<StringName> used_flag_pointers;
+	Set<StringName> used_rmode_defines;
+	Set<StringName> internal_functions;
+
+	DefaultIdentifierActions actions;
+
+public:
+	Error compile(VS::ShaderMode p_mode, const String &p_code, IdentifierActions *p_actions, const String &p_path, GeneratedCode &r_gen_code);
+
+	void initialize(DefaultIdentifierActions p_actions);
+	ShaderCompilerRD();
+};
+
+#endif // SHADERCOMPILERRD_H