setting up to improve the rasterizer

[dosdemo] / src / 3dgfx.c

diff --git a/src/3dgfx.c b/src/3dgfx.c
index 31e649d..41b3959 100644 (file)
--- a/src/3dgfx.c
+++ b/src/3dgfx.c
@@ -15,6 +15,7 @@ typedef float g3d_matrix[16];
 struct g3d_state {
        unsigned int opt;
        int frontface;
+       int fill_mode;
 
        g3d_matrix mat[G3D_NUM_MATRICES][STACK_SIZE];
        int mtop[G3D_NUM_MATRICES];
@@ -46,6 +47,7 @@ int g3d_init(void)
                fprintf(stderr, "failed to allocate G3D context\n");
                return -1;
        }
+       st->fill_mode = POLYFILL_FLAT;
 
        for(i=0; i<G3D_NUM_MATRICES; i++) {
                g3d_matrix_mode(i);
@@ -64,6 +66,10 @@ void g3d_framebuffer(int width, int height, void *pixels)
        st->width = width;
        st->height = height;
        st->pixels = pixels;
+
+       pimg_fb.pixels = pixels;
+       pimg_fb.width = width;
+       pimg_fb.height = height;
 }
 
 void g3d_enable(unsigned int opt)
@@ -91,6 +97,11 @@ void g3d_front_face(unsigned int order)
        st->frontface = order;
 }
 
+void g3d_polygon_mode(int pmode)
+{
+       st->fill_mode = pmode;
+}
+
 void g3d_matrix_mode(int mmode)
 {
        st->mmode = mmode;
@@ -335,7 +346,7 @@ void g3d_draw_indexed(int prim, const struct g3d_vertex *varr, int varr_size,
                        }
                }
 
-               polyfill_flat(pv, vnum);
+               polyfill(st->fill_mode, pv, vnum);
        }
 }