code refactoring

1 files changed, 29 insertions, 0 deletions

diff --git a/src/fb/pixfb.h b/src/fb/pixfb.h
new file mode 100644
index 0000000..f5f8bde
--- /dev/null
+++ b/src/fb/pixfb.h
@@ -0,0 +1,29 @@
+#ifndef FB_PIXFB_H
+#define FB_PIXFB_H
+
+#include <vector>
+#include <cstdint>
+#include "math/math_vector.h"
+#include "o3d/tri_vertex.h"
+
+class PixelFrameBuffer {
+    public:
+        PixelFrameBuffer(unsigned int w, unsigned int h);
+        void resize(unsigned int w, unsigned int h);
+        unsigned int width() const;
+        unsigned int height() const;
+        const uint32_t* pixels() const;
+        void clear();
+        void draw_triangle(TriangleVertex4 triangle);
+
+    private:
+        unsigned int w, h;
+        std::vector<uint32_t> pixels_vector;
+        std::vector<float> depth_buf;
+        int face_ind;
+
+        void _draw_cropped_triangle(TriangleVertex3 triangle);
+        uint32_t face_color() const;
+};
+
+#endif // FB_PIXFB_H