started writing some 3d pipeline stuff

[dosdemo] / src / polyfill.h

diff --git a/src/polyfill.h b/src/polyfill.h
new file mode 100644 (file)
index 0000000..57f0dc4
--- /dev/null
+++ b/src/polyfill.h
@@ -0,0 +1,24 @@
+#ifndef POLYFILL_H_
+#define POLYFILL_H_
+
+#include "inttypes.h"
+
+enum {
+       POLYFILL_WIRE,
+       POLYFILL_FLAT,
+       POLYFILL_GOURAUD,
+       POLYFILL_TEX,
+       POLYFILL_TEX_GOURAUD
+};
+
+/* projected vertices for the rasterizer */
+struct pvertex {
+       int32_t x, y; /* 24.8 fixed point */
+       int32_t u, v; /* 16.16 fixed point */
+       unsigned char r, g, b;
+};
+
+void polyfill(int mode, struct pvertex *verts, int nverts);
+void polyfill_wire(struct pvertex *verts, int nverts);
+
+#endif /* POLYFILL_H_ */