SL-10761

Add work-around for broken intel drivers which can't use glReadPixels from RGBA FBOs to get alpha without locking up.

1 files changed, 2 insertions, 1 deletions

diff --git a/indra/newview/lldynamictexture.cpp b/indra/newview/lldynamictexture.cpp
index 5e283f7cd0..e1f41a9bd7 100644
--- a/indra/newview/lldynamictexture.cpp
+++ b/indra/newview/lldynamictexture.cpp
@@ -240,6 +240,7 @@ BOOL LLViewerDynamicTexture::updateAllInstances()
 				gDepthDirty = TRUE;
 								
 				gGL.color4f(1,1,1,1);
+                dynamicTexture->setBoundTarget(use_fbo ? &gPipeline.mWaterDis : nullptr);
 				dynamicTexture->preRender();	// Must be called outside of startRender()
 				result = FALSE;
 				if (dynamicTexture->render())
@@ -250,7 +251,7 @@ BOOL LLViewerDynamicTexture::updateAllInstances()
 				}
 				//gGL.flush();
 				LLVertexBuffer::unbind();
-				
+				dynamicTexture->setBoundTarget(nullptr);
 				dynamicTexture->postRender(result);
 			}
 		}