1 files changed, 4 insertions, 1 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 9cd7527d3e..aa5bcd0864 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -430,7 +430,8 @@ void LLRenderTarget::bindTarget()
             
     if (mTex.empty())
     { //no color buffer to draw to
-        glDrawBuffer(GL_NONE);
+        GLenum drawbuffers[] = {GL_NONE};
+        glDrawBuffers(0, drawbuffers);
         glReadBuffer(GL_NONE);
     }
 
@@ -498,7 +499,9 @@ void LLRenderTarget::bindTexture(U32 index, S32 channel, LLTexUnit::eTextureFilt
     {
         case GL_SRGB:
         case GL_SRGB8:
+#if GL_VERSION_2_1
         case GL_SRGB_ALPHA:
+#endif
         case GL_SRGB8_ALPHA8:
             isSRGB = true;
             break;