From 96c459ca2f52cf2c5bec269d0f30e01d21bc916b Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sun, 29 Dec 2024 14:49:07 +1100
Subject: add depth prepass

---
 model.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'model.cpp')

diff --git a/model.cpp b/model.cpp
index e8be727..c3d01ac 100644
--- a/model.cpp
+++ b/model.cpp
@@ -165,6 +165,7 @@ void Model::render(
 		cbuffers[i].view_projection = view_projection;
 		cbuffers[i].model = transform * meshes[i].world;
 	}
+	bool depth_only = !pass.colour_count;
 	dev->unmap_buffer(mvp);
 	for (i = 0; i < c; i++) {
 		Mesh& mesh = meshes[i];
@@ -187,7 +188,10 @@ void Model::render(
 		draw.first_vertex = mesh.offset;
 		draw.vertex_offset = mesh.vbo_offset;
 		pb.begin();
-		pb.depth(true, true, Depth_Mode::less);
+		if (depth_only)
+			pb.depth(true, true, Depth_Mode::less);
+		else
+			pb.depth(true, false, Depth_Mode::equal);
 		pb.shader(mesh.shader);
 		pb.cbuffer(
 			mesh.mvp_binding,
-- 
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