[add]: Start of a basic rendering backend

1 files changed, 46 insertions, 0 deletions

diff --git a/src/Rendering/Shader.h b/src/Rendering/Shader.h
new file mode 100644
index 0000000..a6b287a
--- /dev/null
+++ b/src/Rendering/Shader.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <string>
+#include <unordered_map>
+#include <memory>
+#include <glm/glm.hpp>
+
+namespace Donut 
+{
+    class Shader
+    {
+    public:
+        virtual ~Shader() = default;
+
+        virtual void Bind() const = 0;
+        virtual void Unbind() const = 0;
+
+        virtual void SetInt(const std::string& name, int value) = 0;
+        virtual void SetIntArray(const std::string& name, int* values, uint32_t count) = 0;
+        virtual void SetFloat(const std::string& name, float value) = 0;
+        virtual void SetFloat3(const std::string& name, const glm::vec3& value) = 0;
+        virtual void SetFloat4(const std::string& name, const glm::vec4& value) = 0;
+        virtual void SetMat4(const std::string& name, const glm::mat4& value) = 0;
+
+        virtual const std::string& GetName() const = 0;
+
+        static Shader* Create(const std::string& filepath);
+        static Shader* Create(const std::string& name, const std::string& vertexSrc, const std::string& fragmentSrc);
+    };
+
+    class ShaderLibrary
+    {
+    public:
+        void Add(const std::shared_ptr<Shader>& shader);
+        void Add(const std::string& name, const std::shared_ptr<Shader>& shader);
+        std::shared_ptr<Shader> Load(const std::string& filepath);
+        std::shared_ptr<Shader> Load(const std::string& name, const std::string& filepath);
+
+        std::shared_ptr<Shader> Get(const std::string& name);
+
+        bool Exists(const std::string& name) const;
+
+    private:
+        std::unordered_map<std::string, std::shared_ptr<Shader>> m_Shaders;
+    };
+};