Refactor render commands to execute asynchronously.

UnleashedRecomp/gpu/rhi/rt64_vulkan.cpp

@@ -60,6 +60,7 @@ namespace RT64 {
         VK_EXT_SCALAR_BLOCK_LAYOUT_EXTENSION_NAME,
         VK_EXT_ROBUSTNESS_2_EXTENSION_NAME,
         VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME,
+        VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_EXTENSION_NAME,
 #   ifdef VULKAN_OBJECT_NAMES_ENABLED
         VK_EXT_DEBUG_UTILS_EXTENSION_NAME
 #   endif

UnleashedRecomp/gpu/video.h

@@ -31,9 +31,21 @@ struct GuestDevice
 
     uint8_t padding27A0[0x68C];
     be<uint32_t> vertexDeclaration;
-    uint8_t padding2E30[0x2FD0];
+    uint8_t padding2E30[0x338];
+    struct
+    {
+        be<float> x;
+        be<float> y;
+        be<float> width;
+        be<float> height;
+        be<float> minZ;
+        be<float> maxZ;
+    } viewport;
+    uint8_t padding3180[0x2C80];
 };
 
+static_assert(sizeof(GuestDevice) == 0x5E00);
+
 enum class ResourceType
 {
     Texture,