[Fix] (MG_Backend/DirectVulkan): disable pipeline cache on PowerVR

MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp

@@ -13,6 +13,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         m_device(device), m_config(config) {
         MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE, "PipelineFactory: device is null");
 
+        if (m_config.DisablePipelineCache) {
+            MGLOG_I("DirectVulkan: pipeline cache disabled");
+            return;
+        }
+
         VkPipelineCacheCreateInfo pipelineCacheInfo{VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO};
         VK_VERIFY(vkCreatePipelineCache(m_device, &pipelineCacheInfo, nullptr, &m_pipelineCache),
                   "vkCreatePipelineCache");

MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp

@@ -26,6 +26,10 @@
 #include <vulkan/vulkan_core.h>
 
 namespace MobileGL::MG_Backend::DirectVulkan {
+    static Bool IsPowerVRDevice(const VkPhysicalDeviceProperties& properties) {
+        return std::strstr(properties.deviceName, "PowerVR") != nullptr;
+    }
+
     static VkPipelineColorBlendAttachmentState MakeColorBlendAttachmentState(
         Bool blendEnable,
         VkBlendFactor srcColorBlendFactor,
@@ -1762,6 +1766,11 @@ void main() {
 
         const Uint32 maxProgramBindings = ComputeMaxProgramBindings(m_physicalDevice.properties);
         MGLOG_I("DirectVulkan: using %u program descriptor bindings", maxProgramBindings);
+        if (IsPowerVRDevice(m_physicalDevice.properties)) {
+            m_config.DisablePipelineCache = true;
+            MGLOG_W("DirectVulkan: disabling pipeline cache on PowerVR device %s",
+                    m_physicalDevice.properties.deviceName);
+        }
 
         RecreateSwapchain();
 

MobileGL/MG_Backend/DirectVulkan/VulkanRendererConfig.h

@@ -17,6 +17,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         Uint64 CacheVersion = MG_Config::CacheVersion;
         Uint32 SurfaceWidth = 1;
         Uint32 SurfaceHeight = 1;
+        Bool DisablePipelineCache = false;
 #if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
         Bool EnableValidationLayers = true;
 #else