X-Git-Url: http://git.mutantstargoat.com?p=demo;a=blobdiff_plain;f=src%2Fopengl%2Fopengl.cc;h=367e283686d5690451ecc6ff0dc9800f3683909f;hp=ffa1d47290cd5f677868aac51a44261751665fbd;hb=d1a2cf93cf54898bb4ad442da94fc61f2617cf9f;hpb=713e854b6daf2ec0de8538be1e1eb385a213f36c

diff --git a/src/opengl/opengl.cc b/src/opengl/opengl.cc
index ffa1d47..367e283 100644
--- a/src/opengl/opengl.cc
+++ b/src/opengl/opengl.cc
@@ -10,6 +10,8 @@ extern int win_w;
 
 static void clear(float r, float g, float b);
 static void viewport(int x, int y, int width, int height);
+static void zbuffer(bool enable);
+static void cull_face(Gfx_cull_face cf);
 
 bool init_opengl()
 {
@@ -36,6 +38,8 @@ bool init_opengl()
 
 	gfx_clear = clear;
 	gfx_viewport = viewport;
+	gfx_zbuffer = zbuffer;
+	gfx_cull_face = cull_face;
 
 	return true;
 }
@@ -57,4 +61,29 @@ static void clear(float r, float g, float b)
 static void viewport(int x, int y, int width, int height)
 {
 	glViewport(x, y, width, height);
+}
+
+static void zbuffer(bool enable)
+{
+	if(enable)
+		glEnable(GL_DEPTH_TEST);
+	else
+		glDisable(GL_DEPTH_TEST);
+}
+
+static void cull_face(Gfx_cull_face cf)
+{
+	switch(cf) {
+	case GFX_CULL_NONE:
+		glDisable(GL_CULL_FACE);
+		break;
+	case GFX_CULL_FRONT:
+		glEnable(GL_CULL_FACE);
+		glCullFace(GL_FRONT);
+		break;
+	case GFX_CULL_BACK:
+		glEnable(GL_CULL_FACE);
+		glCullFace(GL_BACK);
+		break;
+	}
 }
\ No newline at end of file