Masked depthstencil clears

src/video_core/host_shaders/CMakeLists.txt

@@ -50,6 +50,7 @@ set(SHADER_FILES
     vulkan_blit_depth_stencil.frag
     vulkan_color_clear.frag
     vulkan_color_clear.vert
+    vulkan_depthstencil_clear.frag
     vulkan_fidelityfx_fsr_easu_fp16.comp
     vulkan_fidelityfx_fsr_easu_fp32.comp
     vulkan_fidelityfx_fsr_rcas_fp16.comp

src/video_core/host_shaders/vulkan_depthstencil_clear.frag

@@ -0,0 +1,12 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 460 core
+
+layout (push_constant) uniform PushConstants {
+    vec4 clear_depth;
+};
+
+void main() {
+    gl_FragDepth = clear_depth.x;
+}