pch migration to modules [wip]

rendering/openglprecipitation.cppm

@@ -0,0 +1,51 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+module;
+#include "global_include/interfaces/ITexture_macros.h"
+#include "glad/glad.h"
+#include <cstdint>
+#include <vector>
+
+export module eu07.rendering.openglprecipitation;
+import eu07.glm;
+import eu07.global_include.interfaces.itexture;
+import eu07.model.texture;
+
+export {
+
+
+
+class opengl_precipitation {
+
+public:
+// constructors
+    opengl_precipitation() = default;
+// destructor
+	~opengl_precipitation();
+// methods
+    void
+        update();
+	void
+        render( GLint const Textureunit );
+
+private:
+// methods
+    void create( int const Tesselation );
+// members
+    std::vector<glm::vec3> m_vertices;
+    std::vector<glm::vec2> m_uvs;
+    std::vector<std::uint16_t> m_indices;
+    GLuint m_vertexbuffer { (GLuint)-1 };
+    GLuint m_uvbuffer { (GLuint)-1 };
+    GLuint m_indexbuffer { (GLuint)-1 };
+    texture_handle m_texture { null_handle };
+    float m_overcast { -1.f }; // cached overcast level, difference from current state triggers texture update
+};
+
+}  // export