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picking and brute force ray intersections
[retroray]
/
src
/
gaw
/
gaw_gl.c
diff --git
a/src/gaw/gaw_gl.c
b/src/gaw/gaw_gl.c
index
40f870c
..
1868d26
100644
(file)
--- a/
src/gaw/gaw_gl.c
+++ b/
src/gaw/gaw_gl.c
@@
-44,6
+44,11
@@
void gaw_viewport(int x, int y, int w, int h)
glViewport(x, y, w, h);
}
glViewport(x, y, w, h);
}
+void gaw_get_viewport(int *vp)
+{
+ glGetIntegerv(GL_VIEWPORT, vp);
+}
+
void gaw_matrix_mode(int mode)
{
mode += GL_MODELVIEW;
void gaw_matrix_mode(int mode)
{
mode += GL_MODELVIEW;
@@
-167,6
+172,9
@@
void gaw_enable(int st)
case GAW_TEXTURE_2D:
glEnable(GL_TEXTURE_2D);
break;
case GAW_TEXTURE_2D:
glEnable(GL_TEXTURE_2D);
break;
+ case GAW_POLYGON_OFFSET:
+ glEnable(GL_POLYGON_OFFSET_FILL);
+ break;
default:
break;
}
default:
break;
}
@@
-214,6
+222,9
@@
void gaw_disable(int st)
case GAW_TEXTURE_2D:
glDisable(GL_TEXTURE_2D);
break;
case GAW_TEXTURE_2D:
glDisable(GL_TEXTURE_2D);
break;
+ case GAW_POLYGON_OFFSET:
+ glDisable(GL_POLYGON_OFFSET_FILL);
+ break;
default:
break;
}
default:
break;
}
@@
-235,6
+246,11
@@
void gaw_alpha_func(int func, float ref)
glAlphaFunc(func + GL_NEVER, ref);
}
glAlphaFunc(func + GL_NEVER, ref);
}
+void gaw_zoffset(float offs)
+{
+ glPolygonOffset(1, offs);
+}
+
void gaw_clear_color(float r, float g, float b, float a)
{
glClearColor(r, g, b, a);
void gaw_clear_color(float r, float g, float b, float a)
{
glClearColor(r, g, b, a);