From 1c9bc2d71ec2858db49cd0b6780f6957744cb6ab Mon Sep 17 00:00:00 2001
From: Sam Cake <Sam Cake>
Date: Wed, 29 Mar 2017 23:28:06 -0700
Subject: [PATCH] Trying to debug the crash on gl4.1

---
 libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp b/libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp
index 1579e810e5..5aa0c42ee4 100644
--- a/libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp
+++ b/libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp
@@ -79,9 +79,14 @@ GL41Texture::GL41Texture(const std::weak_ptr<GLBackend>& backend, const Texture&
             uint8_t face = 0;
             for (GLenum target : getFaceTargets(_target)) {
                 const Byte* mipData = nullptr;
+                gpu::Texture::PixelsPointer mip;
                 if (_gpuObject.isStoredMipFaceAvailable(mipLevel, face)) {
-                    auto mip = _gpuObject.accessStoredMipFace(mipLevel, face);
-                    mipData = mip->readData();
+                    mip = _gpuObject.accessStoredMipFace(mipLevel, face);
+                    if (mip) {
+                        mipData = mip->readData();
+                    } else {
+                        mipData = nullptr;
+                    }
                 }
                 glTexImage2D(target, mipLevel, texelFormat.internalFormat, dimensions.x, dimensions.y, 0, texelFormat.format, texelFormat.type, mipData);
                 (void)CHECK_GL_ERROR();