added renderer, improved various things

- Added renderer to unify frame buffers
- Added FrameBuffer class as a parent for frame buffers' classes
- Improved formatting in Makefile.am
- Added const modifier in Matrix4's methods

1 files changed, 30 insertions, 0 deletions

diff --git a/src/renderer.h b/src/renderer.h
new file mode 100644
index 0000000..211a6fc
--- /dev/null
+++ b/src/renderer.h
@@ -0,0 +1,30 @@
+#ifndef RENDERER_H
+#define RENDERER_H
+
+#include <memory>
+#include "fb/fb.h"
+#include "o3d/tri_vertex.h"
+
+namespace engine {
+
+class Renderer {
+    public:
+        std::unique_ptr<engine::fb::FrameBuffer> fb;
+
+        Renderer(std::unique_ptr<engine::fb::FrameBuffer> fb);
+        void resize(unsigned int w, unsigned int h);
+        unsigned int width() const;
+        unsigned int height() const;
+        void clear();
+        void draw_triangle(engine::o3d::TriangleVertex4 triangle);
+
+    private:
+        std::vector<float> depth_buf;
+        int face_ind;
+
+        void _draw_cropped_triangle(engine::o3d::TriangleVertex3 triangle);
+};
+
+}
+
+#endif // RENDERER_H