added camera implementation and plenty of other rendering related stuff - splitted out the initialization of the render context

src/visual/CMakeLists.txt

@@ -0,0 +1,26 @@
+
+set(hdrs
+	include/pw/visual/renderer.hpp
+	include/pw/visual/context.hpp
+	)
+
+set(srcs
+	src/renderer.cpp
+	src/context.cpp
+	)
+
+add_library(pwvisual
+	STATIC
+	${hdrs}
+	${srcs}
+	)
+
+target_include_directories(
+	pwvisual
+	PUBLIC
+	include
+	)
+
+target_link_libraries(pwvisual pwscene)
+
+#add_subdirectory(tests)

src/visual/include/pw/visual/context.hpp

@@ -0,0 +1,25 @@
+#ifndef PW_VISUAL_CONTEXT_HPP
+#define PW_VISUAL_CONTEXT_HPP
+
+#include <pw/scene/component.hpp>
+
+namespace pw {
+
+class context {
+public:
+
+	struct size {
+		int width,height;
+	};
+
+	virtual bool make_current() = 0;
+	virtual void resize() = 0;
+	virtual size size() = 0;
+	virtual void flush() = 0;
+
+	virtual ~context() = default;
+};
+
+}
+
+#endif

src/visual/include/pw/visual/renderer.hpp

@@ -0,0 +1,19 @@
+#ifndef PW_VISUAL_RENDERER_HPP
+#define PW_VISUAL_RENDERER_HPP
+
+#include <pw/scene/component.hpp>
+
+namespace pw {
+
+class context;
+
+class renderer {
+
+	void render(context& context);
+
+};
+
+}
+
+
+#endif

src/visual/src/renderer.cpp

@@ -0,0 +1,9 @@
+#include "pw/visual/renderer.hpp"
+
+namespace pw {
+
+void renderer::render(pw::context &context)
+{
+}
+
+}