X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2F3dgfx%2F3dgfx.h;h=c04863f96c821cd9c3dc49eac6b86be8011aa263;hp=e317fabddf1c9bf1f6d2774eecfca5a8f845327c;hb=650644eccabcdceb974c17d5fd19c0546eb753d3;hpb=57bd2dc519c47f434e3e5acf998fb9c72448cbce

diff --git a/src/3dgfx/3dgfx.h b/src/3dgfx/3dgfx.h
index e317fab..c04863f 100644
--- a/src/3dgfx/3dgfx.h
+++ b/src/3dgfx/3dgfx.h
@@ -38,7 +38,7 @@ enum {
 /* g3d_enable/g3d_disable bits */
 enum {
 	G3D_CULL_FACE	= 0x000001,
-	G3D_DEPTH_TEST	= 0x000002,	/* XXX not implemented */
+	G3D_DEPTH_TEST	= 0x000002,
 	G3D_LIGHTING	= 0x000004,
 	G3D_LIGHT0		= 0x000008,
 	G3D_LIGHT1		= 0x000010,
@@ -80,6 +80,12 @@ enum {
 	G3D_NUM_MATRICES
 };
 
+/* clear bits */
+enum {
+	G3D_COLOR_BUFFER_BIT = 1,
+	G3D_DEPTH_BUFFER_BIT = 2
+};
+
 int g3d_init(void);
 void g3d_destroy(void);
 void g3d_reset(void);
@@ -88,6 +94,10 @@ void g3d_framebuffer(int width, int height, void *pixels);
 void g3d_framebuffer_addr(void *pixels);
 void g3d_viewport(int x, int y, int w, int h);
 
+void g3d_clear_color(unsigned char r, unsigned char g, unsigned char b);
+void g3d_clear_depth(uint16_t zval);
+void g3d_clear(unsigned int mask);
+
 void g3d_enable(unsigned int opt);
 void g3d_disable(unsigned int opt);
 void g3d_setopt(unsigned int opt, unsigned int mask);