1 files changed, 52 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/dxvk/shaders/dxvk_present_frag_ms_amd.frag b/src/libs/dxvk-native-1.9.2a/src/dxvk/shaders/dxvk_present_frag_ms_amd.frag
new file mode 100644
index 00000000..c234591f
--- /dev/null
+++ b/src/libs/dxvk-native-1.9.2a/src/dxvk/shaders/dxvk_present_frag_ms_amd.frag
@@ -0,0 +1,52 @@
+#version 450
+
+#extension GL_AMD_shader_fragment_mask: enable
+
+layout(constant_id = 1) const bool s_gamma_bound = true;
+layout(constant_id = 1225) const uint c_samples = 0;
+
+layout(binding = 0) uniform sampler2DMS s_image;
+layout(binding = 1) uniform sampler1D s_gamma;
+
+layout(location = 0) out vec4 o_color;
+
+layout(push_constant)
+uniform present_info_t {
+  ivec2 src_offset;
+  ivec2 dst_offset;
+};
+
+void main() {
+  ivec2 coord = ivec2(gl_FragCoord.xy) + src_offset - dst_offset;
+
+  // check dxvk_resolve_frag_f_amd.frag for documentation
+  uint fragMask = fragmentMaskFetchAMD(s_image, coord);
+  uint fragCount = 0u;
+
+  for (int i = 0; i < 4 * c_samples; i += 4) {
+    uint fragIndex = bitfieldExtract(fragMask, i, 4);
+    fragCount += 1u << (fragIndex << 2);
+  }
+
+  o_color = vec4(0.0f);
+  
+  while (fragCount != 0) {
+    int fragIndex = findLSB(fragCount) >> 2;
+    int fragShift = fragIndex << 2;
+
+    o_color += fragmentFetchAMD(s_image, coord, fragIndex)
+      * float(bitfieldExtract(fragCount, fragShift, 4));
+
+    fragCount = bitfieldInsert(fragCount, 0, fragShift, 4);
+  }
+
+  o_color /= float(c_samples);
+
+  if (s_gamma_bound) {
+    o_color = vec4(
+      texture(s_gamma, o_color.r).r,
+      texture(s_gamma, o_color.g).g,
+      texture(s_gamma, o_color.b).b,
+      o_color.a);
+  }
+}
+\ No newline at end of file