integrating software renderer

[retroray] / src / gaw / gawswtnl.c

diff --git a/src/gaw/gawswtnl.c b/src/gaw/gawswtnl.c
index 2df3ed3..5278754 100644 (file)
--- a/src/gaw/gawswtnl.c
+++ b/src/gaw/gawswtnl.c
@@ -1,5 +1,5 @@
 /*
-Deep Runner - 6dof shooter game for the SGI O2.
+RetroRay - integrated standalone vintage modeller/renderer
 Copyright (C) 2023  John Tsiombikas <nuclear@mutantstargoat.com>
 
 This program is free software: you can redistribute it and/or modify
@@ -617,18 +617,22 @@ void gaw_texcoord2f(float u, float v)
 
 void gaw_vertex2f(float x, float y)
 {
-       gaw_vertex3f(x, y, 0);
+       gaw_vertex4f(x, y, 0, 1);
 }
 
 void gaw_vertex3f(float x, float y, float z)
 {
+       gaw_vertex4f(x, y, z, 1);
+
+void gaw_vertex4f(float x, float y, float z, float w)
+{
        float *cptr = st.imm_cbuf + st.imm_numv * 4;
        struct vertex *vptr = st.imm_vbuf + st.imm_numv++;
        *vptr = st.imm_curv;
        vptr->x = x;
        vptr->y = y;
        vptr->z = z;
-       vptr->w = 1.0f;
+       vptr->w = w;
 
        cptr[0] = st.imm_curcol[0];
        cptr[1] = st.imm_curcol[1];