Merge pull request #12721 from iwubcode/custom_shader_alpha

VideoCommon: allow custom shaders to set the alpha value

1 files changed, 5 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/ShaderGenCommon.cpp b/Source/Core/VideoCommon/ShaderGenCommon.cpp
index 57d9c4567f..d132847f14 100644
--- a/Source/Core/VideoCommon/ShaderGenCommon.cpp
+++ b/Source/Core/VideoCommon/ShaderGenCommon.cpp
@@ -379,6 +379,11 @@ void WriteCustomShaderStructDef(ShaderCode* out, u32 numtexgens)
   out->Write("const uint CUSTOM_SHADER_LIGHTING_ATTENUATION_TYPE_SPOT = {}u;\n",
              static_cast<u32>(AttenuationFunc::Spot));
 
+  out->Write("struct CustomShaderOutput\n");
+  out->Write("{{\n");
+  out->Write("\tfloat4 main_rt;\n");
+  out->Write("}};\n\n");
+
   out->Write("struct CustomShaderLightData\n");
   out->Write("{{\n");
   out->Write("\tfloat3 position;\n");