Protect against invalid queries in GL/Vulkan

renderdoc/driver/gl/gl_replay.cpp

@@ -339,6 +339,7 @@ void GLReplay::GetBufferData(ResourceId buff, uint64_t offset, uint64_t len, byt
   if(m_pDriver->m_Buffers.find(buff) == m_pDriver->m_Buffers.end())
   {
     RDCWARN("Requesting data for non-existant buffer %s", ToStr(buff).c_str());
+    ret.clear();
     return;
   }
 
@@ -2354,6 +2355,13 @@ void GLReplay::GetTextureData(ResourceId tex, const Subresource &sub,
 {
   WrappedOpenGL &drv = *m_pDriver;
 
+  if(m_pDriver->m_Textures.find(tex) == m_pDriver->m_Textures.end())
+  {
+    data.clear();
+    RDCWARN("Requesting data for non-existant texture %s", ToStr(tex).c_str());
+    return;
+  }
+
   WrappedOpenGL::TextureData &texDetails = m_pDriver->m_Textures[tex];
 
   GLuint tempTex = 0;

renderdoc/driver/vulkan/vk_debug.cpp

@@ -1609,11 +1609,16 @@ void VulkanDebugManager::GetBufferData(ResourceId buff, uint64_t offset, uint64_
       return;
     }
   }
-  else
+  else if(WrappedVkBuffer::IsAlloc(res))
   {
     srcBuf = m_pDriver->GetResourceManager()->GetCurrentHandle<VkBuffer>(buff);
     bufsize = m_pDriver->m_CreationInfo.m_Buffer[buff].size;
   }
+  else
+  {
+    RDCERR("Getting buffer data for object that isn't buffer or memory %s!", ToStr(buff).c_str());
+    return;
+  }
 
   if(offset >= bufsize)
   {