1 files changed, 36 insertions, 0 deletions
diff --git a/src/video_core/host_shaders/smaa_blending_weight_calculation.frag b/src/video_core/host_shaders/smaa_blending_weight_calculation.frag
new file mode 100644
index 000000000..c2385a0ad
--- /dev/null
+++ b/src/video_core/host_shaders/smaa_blending_weight_calculation.frag
@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 460
+
+#extension GL_GOOGLE_include_directive : enable
+
+layout (binding = 0) uniform sampler2D edges_tex;
+layout (binding = 1) uniform sampler2D area_tex;
+layout (binding = 2) uniform sampler2D search_tex;
+
+layout (location = 0) in vec2 tex_coord;
+layout (location = 1) in vec2 pix_coord;
+layout (location = 2) in vec4 offset[3];
+
+layout (location = 0) out vec4 frag_color;
+
+vec4 metrics = vec4(1.0 / textureSize(edges_tex, 0), textureSize(edges_tex, 0));
+#define SMAA_RT_METRICS metrics
+#define SMAA_GLSL_4
+#define SMAA_PRESET_ULTRA
+#define SMAA_INCLUDE_VS 0
+#define SMAA_INCLUDE_PS 1
+
+#include "opengl_smaa.glsl"
+
+void main() {
+    frag_color = SMAABlendingWeightCalculationPS(tex_coord,
+                                       pix_coord,
+                                       offset,
+                                       edges_tex,
+                                       area_tex,
+                                       search_tex,
+                                       vec4(0)
+                                       );
+}