[Bug 97232] Line rendering broken in Dolphin when using gl_ClipDistance

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97232

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Curiously, with the below patch on top of what's in the dolphin pr, that still
fails on i965/snb, and still passes with llvmpipe.

diff --git a/Source/Core/VideoCommon/GeometryShaderGen.cpp
b/Source/Core/VideoCommon/GeometryShaderGen.cpp
index 4d90e6f..3cbe9ce 100644
--- a/Source/Core/VideoCommon/GeometryShaderGen.cpp
+++ b/Source/Core/VideoCommon/GeometryShaderGen.cpp
@@ -311,6 +311,9 @@ static void EmitVertex(ShaderCode& out, const
geometry_shader_uid_data* uid_data

   if (ApiType == APIType::OpenGL)
   {
+    if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
+      out.Write("\tgl_ClipDistance[0] = %s.clipDist;\n", vertex);
+
     out.Write("\tgl_Position = %s.pos;\n", vertex);
     AssignVSOutputMembers(out, "ps", vertex, uid_data->numTexGens,
uid_data->pixel_lighting);
   }

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