gfxstream: Avoid transfering VkAllocationCallbacks between guest and host

Test: cvd create --gpu_mode=gfxstream_guest_angle

Reviewed-by: David Gilhooley <djgilhooley@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/42224>

src/gfxstream/codegen/scripts/cereal/common/vulkantypes.py

@@ -553,7 +553,7 @@ class VulkanType(object):
     def getFullName(self) -> str:
         if self.parent is None:
             return self.paramName
-        return f"{self.parent.name}.{self.paramName}" 
+        return f"{self.parent.name}.{self.paramName}"
 
     def getProtectStreamFeature(self) -> Optional[str]:
         key = self.getFullName()

src/gfxstream/codegen/scripts/cereal/deepcopy.py

@@ -8,6 +8,11 @@ from .common.vulkantypes import \
 from .wrapperdefs import VulkanWrapperGenerator
 from .wrapperdefs import STRUCT_EXTENSION_PARAM, STRUCT_EXTENSION_PARAM_FOR_WRITE, EXTENSION_SIZE_API_NAME
 
+
+VULKAN_TYPES_THAT_ARE_NEVER_TRANSMITTED = [
+    "VkAllocationCallbacks",
+]
+
 class DeepcopyCodegen(VulkanTypeIterator):
     def __init__(self, cgen, inputVars, poolVarName, rootVarName, prefix, skipValues=False):
         self.cgen = cgen
@@ -41,7 +46,7 @@ class DeepcopyCodegen(VulkanTypeIterator):
         self.checked = False
 
     def needSkip(self, vulkanType):
-        return False
+        return vulkanType.typeName in VULKAN_TYPES_THAT_ARE_NEVER_TRANSMITTED
 
     def makeCastExpr(self, vulkanType):
         return "(%s)" % (
@@ -75,7 +80,7 @@ class DeepcopyCodegen(VulkanTypeIterator):
     def onCompoundType(self, vulkanType):
 
         if self.needSkip(vulkanType):
-            self.cgen.line("// TODO: Unsupported : %s" %
+            self.cgen.line("// Deepcopy intentionally skipped for `%s`" %
                            self.cgen.makeCTypeDecl(vulkanType))
             return
 
@@ -200,7 +205,7 @@ class DeepcopyCodegen(VulkanTypeIterator):
         self.cgen.stmt("%s = %s(%s, %s)" % (
             sizeVar, EXTENSION_SIZE_API_NAME, self.rootVarName, nextVar))
         self.cgen.endWhile()
-        
+
         self.cgen.stmt("%s = nullptr" % rhs)
 
         self.cgen.beginIf(sizeVar)

src/gfxstream/codegen/scripts/cereal/transform.py

@@ -19,7 +19,7 @@ def deviceMemoryTransform(resourceTrackerVarName, structOrApiInfo, getExpr, getL
             "size",
             "typeIndex",
             "typeBits",]
-        
+
         casts = {
             "handle" : "VkDeviceMemory*",
             "offset" : "VkDeviceSize*",