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Diffstat (limited to 'src/video_core/host_shaders/convert_abgr8_to_d24s8.frag')
-rw-r--r--src/video_core/host_shaders/convert_abgr8_to_d24s8.frag18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/video_core/host_shaders/convert_abgr8_to_d24s8.frag b/src/video_core/host_shaders/convert_abgr8_to_d24s8.frag
new file mode 100644
index 000000000..ea055ddad
--- /dev/null
+++ b/src/video_core/host_shaders/convert_abgr8_to_d24s8.frag
@@ -0,0 +1,18 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 450
+#extension GL_ARB_shader_stencil_export : require
+
+layout(binding = 0) uniform sampler2D color_texture;
+
+void main() {
+ ivec2 coord = ivec2(gl_FragCoord.xy);
+ uvec4 color = uvec4(texelFetch(color_texture, coord, 0).abgr * (exp2(8) - 1.0f));
+ uvec4 bytes = color << uvec4(24, 16, 8, 0);
+ uint depth_stencil_unorm = bytes.x | bytes.y | bytes.z | bytes.w;
+
+ gl_FragDepth = float(depth_stencil_unorm & 0x00FFFFFFu) / (exp2(24.0) - 1.0f);
+ gl_FragStencilRefARB = int(depth_stencil_unorm >> 24);
+}