Remove unused function

Author: asarium

code/graphics/opengl/gropenglstate.cpp

@@ -713,80 +713,3 @@ void gr_opengl_clear_states()
 
 	opengl_shader_set_current();
 }
-
-void opengl_setup_render_states(int &r, int &g, int &b, int &alpha, int &tmap_type, int flags, int is_scaler)
-{
-	gr_alpha_blend alpha_blend = (gr_alpha_blend)(-1);
-	gr_zbuffer_type zbuffer_type = (gr_zbuffer_type)(-1);
-	
-	if (gr_zbuffering) {
-		if ( is_scaler || (gr_screen.current_alphablend_mode == GR_ALPHABLEND_FILTER) ) {
-			zbuffer_type = ZBUFFER_TYPE_READ;
-		} else {
-			zbuffer_type = ZBUFFER_TYPE_FULL;
-		}
-	} else {
-		zbuffer_type = ZBUFFER_TYPE_NONE;
-	}
-
-	tmap_type = TCACHE_TYPE_NORMAL;
-
-	if (flags & TMAP_FLAG_TEXTURED) {
-		r = g = b = 255;
-	} else {
-		r = gr_screen.current_color.red;
-		g = gr_screen.current_color.green;
-		b = gr_screen.current_color.blue;
-	}
-
-	if (flags & TMAP_FLAG_BW_TEXTURE) {
-		r = gr_screen.current_color.red;
-		g = gr_screen.current_color.green;
-		b = gr_screen.current_color.blue;
-	}
-
-	if ( gr_screen.current_alphablend_mode == GR_ALPHABLEND_FILTER ) {
-		if ( (gr_screen.current_bitmap >= 0) && bm_has_alpha_channel(gr_screen.current_bitmap) ) {
-			tmap_type = TCACHE_TYPE_XPARENT;
-
-			alpha_blend = ALPHA_BLEND_ALPHA_BLEND_ALPHA;
-
-			// Blend with screen pixel using src*alpha+dst
-			float factor = gr_screen.current_alpha;
-
-			if (factor >= 1.0f) {
-				alpha = 255;
-			} else {
-				alpha = fl2i(gr_screen.current_alpha*255.0f);
-			}
-		} else {
-			tmap_type = TCACHE_TYPE_NORMAL;
-			alpha_blend = ALPHA_BLEND_ADDITIVE;	// ALPHA_BLEND_ALPHA_ADDITIVE;
-
-			// Blend with screen pixel using src*alpha+dst
-			float factor = gr_screen.current_alpha;
-
-			alpha = 255;
-
-			if (factor < 1.0f) {
-				r = fl2i(r * gr_screen.current_alpha);
-				g = fl2i(g * gr_screen.current_alpha);
-				b = fl2i(b * gr_screen.current_alpha);
-			}
-		}
-	} else {
-		alpha_blend = ALPHA_BLEND_ALPHA_BLEND_ALPHA;
-		alpha = fl2i(gr_screen.current_alpha * 255.0f);
-	}
-
-	
-	if (flags & TMAP_FLAG_TEXTURED) {
-		// use nonfiltered textures for interface graphics
-		if (flags & TMAP_FLAG_INTERFACE) {
-			tmap_type = TCACHE_TYPE_INTERFACE;
-		}
-	}
-
-	GL_state.SetAlphaBlendMode(alpha_blend);
-	GL_state.SetZbufferType(zbuffer_type);
-}