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, 24 insertions, 0 deletions

diff --git a/src/shaders/shaders.hpp b/src/shaders/shaders.hpp
new file mode 100644
index 0000000..d5e1c3a
--- /dev/null
+++ b/src/shaders/shaders.hpp
@@ -0,0 +1,24 @@
+#ifndef SHADERS_SHADERS_HPP
+#define SHADERS_SHADERS_HPP
+
+#include <concepts>
+#include "math/vector.hpp"
+#include "o3d/vertex.hpp"
+#include "fb/fb.hpp"
+
+namespace engine::shaders {
+
+template<typename T>
+concept ShadersConcept =
+    requires {
+        typename T::fb_type;
+        requires engine::fb::FrameBufferConcept<typename T::fb_type>;
+    } &&
+    requires (T shaders, int x, int y, engine::math::Vector3 v3_1, engine::math::Vector3 v3_2, engine::math::Vector2 v2) {
+        { shaders.vertex(v3_1, v3_2, v2)         } -> std::same_as<engine::o3d::Vertex>;
+        { shaders.fragment(x, y, v3_1, v3_2, v2) } -> std::same_as<engine::math::Vector4>;
+    };
+
+}
+
+#endif // SHADERS_SHADERS_HPP