From db551cd23dfa89f6dfd3f7b2c641f533b1bd69e4 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 3 Jul 2018 15:27:23 +0100
Subject: [PATCH] Fix missing apply of blend state when indexed blending is not
 available

---
 renderdoc/driver/gl/gl_renderstate.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/renderdoc/driver/gl/gl_renderstate.cpp b/renderdoc/driver/gl/gl_renderstate.cpp
index 78a82768e..5b4ea23cc 100644
--- a/renderdoc/driver/gl/gl_renderstate.cpp
+++ b/renderdoc/driver/gl/gl_renderstate.cpp
@@ -1477,8 +1477,8 @@ void GLRenderState::ApplyState(WrappedOpenGL *gl)
   {
     for(GLuint i = 0; i < RDCMIN(maxDraws, (GLuint)ARRAY_COUNT(Blends)); i++)
     {
-      if(Blends[i].EquationRGB ==
-         eGL_NONE)    // not set, possibly there were lesser draw buffers during capture
+      // not set, possibly there were lesser draw buffers during capture
+      if(Blends[i].EquationRGB == eGL_NONE)
         continue;
 
       m_Real->glBlendFuncSeparatei(i, Blends[i].SourceRGB, Blends[i].DestinationRGB,
@@ -1491,6 +1491,21 @@ void GLRenderState::ApplyState(WrappedOpenGL *gl)
         m_Real->glDisablei(eGL_BLEND, i);
     }
   }
+  else
+  {
+    // not set, possibly there were lesser draw buffers during capture
+    if(Blends[0].EquationRGB != eGL_NONE)
+    {
+      m_Real->glBlendFuncSeparate(Blends[0].SourceRGB, Blends[0].DestinationRGB,
+                                  Blends[0].SourceAlpha, Blends[0].DestinationAlpha);
+      m_Real->glBlendEquationSeparate(Blends[0].EquationRGB, Blends[0].EquationAlpha);
+
+      if(Blends[0].Enabled)
+        m_Real->glEnable(eGL_BLEND);
+      else
+        m_Real->glDisable(eGL_BLEND);
+    }
+  }
 
   m_Real->glBlendColor(BlendColor[0], BlendColor[1], BlendColor[2], BlendColor[3]);