rename .hpp headers to .h

engine/shader.h

@@ -0,0 +1,41 @@
+#pragma once
+#include "util.h"
+
+enum class kShaderUniform : uint16_t
+{
+    MVP = const_hash("mvp"),
+    Tex = const_hash("tex"),
+    Col = const_hash("col"),
+};
+
+class Shader
+{
+    std::map<kShaderUniform, GLuint> m_umap;
+    GLuint prog;
+public:
+    bool create(const char* vertex, const char* fragment);
+    void use();
+    void u_vec4(kShaderUniform id, const glm::vec4& v);
+    void u_mat4(kShaderUniform id, const glm::mat4& m);
+    void u_int(kShaderUniform id, int i);
+};
+
+enum class kShader : uint16_t
+{
+    Color       = const_hash("color"),
+    Texture     = const_hash("texture"),
+    UVs         = const_hash("uvs"),
+};
+
+class ShaderManager
+{
+    static std::map<kShader, Shader> m_shaders;
+    static Shader* m_current;
+public:
+    static bool create(kShader id, const char* vertex, const char* fragment);
+    static void use(kShader id);
+    static void use(const char* name);
+    static void u_vec4(kShaderUniform id, const glm::vec4& v);
+    static void u_mat4(kShaderUniform id, const glm::mat4& m);
+    static void u_int(kShaderUniform id, int i);
+};