Fix bugs for depth interface

Author: ingra14m

cuda_rasterizer/forward.h

@@ -55,11 +55,13 @@ namespace FORWARD
 		int W, int H,
 		const float2* points_xy_image,
 		const float* features,
+		const float* depths,
 		const float4* conic_opacity,
 		float* final_T,
 		uint32_t* n_contrib,
 		const float* bg_color,
-		float* out_color);
+		float* out_color,
+		float* out_depth);
 }
 
 

cuda_rasterizer/rasterizer.h

@@ -49,6 +49,7 @@ namespace CudaRasterizer
 			const float tan_fovx, float tan_fovy,
 			const bool prefiltered,
 			float* out_color,
+			float* out_depth,
 			int* radii = nullptr);
 
 		static void backward(