improved software shaders

- unified terminal and graphical software renderer shaders
- added vertex shaders for software renderers
- removed VertexData
- moved shaders from frame buffers to their own class
- added FrameBufferConcept and ShadersConcept

1 files changed, 21 insertions, 0 deletions

diff --git a/src/fb/fb.hpp b/src/fb/fb.hpp
new file mode 100644
index 0000000..25b3a51
--- /dev/null
+++ b/src/fb/fb.hpp
@@ -0,0 +1,21 @@
+#ifndef FB_FB_HPP
+#define FB_FB_HPP
+
+#include <concepts>
+#include "math/vector.hpp"
+
+namespace engine::fb {
+
+template<typename T>
+concept FrameBufferConcept =
+    requires (T fb, int x, int y, unsigned w, unsigned h, engine::math::Vector4 point) {
+        { fb.resize(w, h)            } -> std::same_as<void    >;
+        { fb.clear()                 } -> std::same_as<void    >;
+        { fb.draw_point(x, y, point) } -> std::same_as<void    >;
+        { fb.width()                 } -> std::same_as<unsigned>;
+        { fb.height()                } -> std::same_as<unsigned>;
+    };
+
+}
+
+#endif // FB_FB_HPP