From 4dadb250efc461524f303e9b426b1c447d310b50 Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Sun, 6 Mar 2016 00:45:53 -0800
Subject: [PATCH] OpenGL: Implement DOT3 texture combiner

This was only implemented in the software rasterizer.
---
 src/video_core/renderer_opengl/gl_shader_gen.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index ee4b54ab9..16ab3f0a5 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -198,6 +198,9 @@ static void AppendColorCombiner(std::string& out, TevStageConfig::Operation oper
     case Operation::AddThenMultiply:
         out += "min(" + variable_name + "[0] + " + variable_name + "[1], vec3(1.0)) * " + variable_name + "[2]";
         break;
+    case Operation::Dot3_RGB:
+        out += "dot(" + variable_name + "[0], " + variable_name + "[1])";
+        break;
     default:
         out += "vec3(0.0)";
         LOG_CRITICAL(Render_OpenGL, "Unknown color combiner operation: %u", operation);