X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2F3dgfx%2Fpolyfill.h;h=fed8eda4e8bee012efc15dcb49e71543d6887db7;hp=19092f0ca65f8f451ccb0f28e294562b954e0f4a;hb=659ca11730af4e7e5b1b350efa4198a9c42de287;hpb=2e6bc96b25ae3ad5be7f04934be01f63dfd23ce2

diff --git a/src/3dgfx/polyfill.h b/src/3dgfx/polyfill.h
index 19092f0..fed8eda 100644
--- a/src/3dgfx/polyfill.h
+++ b/src/3dgfx/polyfill.h
@@ -8,6 +8,7 @@
 #define POLYFILL_TEX_BIT	0x04
 #define POLYFILL_ALPHA_BIT	0x08
 #define POLYFILL_ADD_BIT	0x10
+#define POLYFILL_ZBUF_BIT	0x20
 
 enum {
 	POLYFILL_WIRE			= 0,
@@ -32,7 +33,32 @@ enum {
 
 	POLYFILL_ADD_TEX_WIRE	= 20,
 	POLYFILL_ADD_TEX_FLAT,
-	POLYFILL_ADD_TEX_GOURAUD
+	POLYFILL_ADD_TEX_GOURAUD,
+
+
+	POLYFILL_WIRE_ZBUF			= 32,
+	POLYFILL_FLAT_ZBUF,
+	POLYFILL_GOURAUD_ZBUF,
+
+	POLYFILL_TEX_WIRE_ZBUF		= 36,
+	POLYFILL_TEX_FLAT_ZBUF,
+	POLYFILL_TEX_GOURAUD_ZBUF,
+
+	POLYFILL_ALPHA_WIRE_ZBUF	= 40,
+	POLYFILL_ALPHA_FLAT_ZBUF,
+	POLYFILL_ALPHA_GOURAUD_ZBUF,
+
+	POLYFILL_ALPHA_TEX_WIRE_ZBUF = 44,
+	POLYFILL_ALPHA_TEX_FLAT_ZBUF,
+	POLYFILL_ALPHA_TEX_GOURAUD_ZBUF,
+
+	POLYFILL_ADD_WIRE_ZBUF		= 48,
+	POLYFILL_ADD_FLAT_ZBUF,
+	POLYFILL_ADD_GOURAUD_ZBUF,
+
+	POLYFILL_ADD_TEX_WIRE_ZBUF	= 52,
+	POLYFILL_ADD_TEX_FLAT_ZBUF,
+	POLYFILL_ADD_TEX_GOURAUD_ZBUF
 };
 
 /* projected vertices for the rasterizer */
@@ -40,6 +66,7 @@ struct pvertex {
 	int32_t x, y; /* 24.8 fixed point */
 	int32_t u, v; /* 16.16 fixed point */
 	int32_t r, g, b, a;  /* int 0-255 */
+	uint16_t z;	/* 0-65535 */
 };
 
 struct pimage {
@@ -52,6 +79,7 @@ struct pimage {
 
 extern struct pimage pfill_fb;
 extern struct pimage pfill_tex;
+extern uint16_t *pfill_zbuf;
 
 void polyfill_fbheight(int height);
 
@@ -75,5 +103,17 @@ void polyfill_add_gouraud(struct pvertex *verts, int nverts);
 void polyfill_add_tex_wire(struct pvertex *verts, int nverts);
 void polyfill_add_tex_flat(struct pvertex *verts, int nverts);
 void polyfill_add_tex_gouraud(struct pvertex *verts, int nverts);
+void polyfill_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_gouraud_zbuf(struct pvertex *verts, int nverts);
+void polyfill_tex_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_tex_gouraud_zbuf(struct pvertex *verts, int nverts);
+void polyfill_alpha_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_alpha_gouraud_zbuf(struct pvertex *verts, int nverts);
+void polyfill_alpha_tex_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_alpha_tex_gouraud_zbuf(struct pvertex *verts, int nverts);
+void polyfill_add_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_add_gouraud_zbuf(struct pvertex *verts, int nverts);
+void polyfill_add_tex_flat_zbuf(struct pvertex *verts, int nverts);
+void polyfill_add_tex_gouraud_zbuf(struct pvertex *verts, int nverts);
 
 #endif	/* POLYFILL_H_ */