Merge pull request #111 from JacobDomagala/100-prioritize-discrete-gp…

…u-over-integrated-one [#100]: Prioritize discrete GPU over integrated one
JacobDomagala · Feb 21, 2023 · 50ef7c2 · 50ef7c2
2 parents a351217 + add207d
commit 50ef7c2
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/render/renderer.cpp b/src/render/renderer.cpp
@@ -341,9 +341,13 @@ isDeviceSuitable(VkPhysicalDevice device, VkSurfaceKHR surface)
    VkPhysicalDeviceFeatures supportedFeatures;
    vkGetPhysicalDeviceFeatures(device, &supportedFeatures);
 
-   return indices.isComplete() && extensionsSupported && swapChainAdequate
-          && supportedFeatures.samplerAnisotropy && supportedFeatures.multiDrawIndirect
-          && supportedFeatures.geometryShader;
+   // Make sure we use discrete GPU
+   VkPhysicalDeviceProperties physicalDeviceProperties;
+   vkGetPhysicalDeviceProperties(device, &physicalDeviceProperties);
+   auto isDiscrete = physicalDeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU;
+
+   return indices.isComplete() && extensionsSupported && swapChainAdequate && isDiscrete
+          && supportedFeatures.samplerAnisotropy && supportedFeatures.multiDrawIndirect;
 }
 
 VkSampleCountFlagBits