loader: Add pre-instance functions for layers

Allow implicit layers (not explicit) to intercept calls before an
instance has been created.

Change-Id: I41f5bb0f5a6314fbab8003ebe71059dd04afc860
This commit is contained in:
Lenny Komow 2017-12-19 16:38:37 -07:00 committed by Mark Lobodzinski
parent 1ccf86fb60
commit 877223eff1

View file

@ -48,6 +48,8 @@
#define CURRENT_LOADER_LAYER_INTERFACE_VERSION 2
#define MIN_SUPPORTED_LOADER_LAYER_INTERFACE_VERSION 1
#define VK_CURRENT_CHAIN_VERSION 1
// Version negotiation values
typedef enum VkNegotiateLayerStructType {
LAYER_NEGOTIATE_UNINTIALIZED = 0,
@ -138,6 +140,43 @@ extern "C" {
VKAPI_ATTR VkResult VKAPI_CALL vkNegotiateLoaderLayerInterfaceVersion(VkNegotiateLayerInterface *pVersionStruct);
typedef enum VkChainType {
VK_CHAIN_TYPE_UNKNOWN = 0,
VK_CHAIN_TYPE_ENUMERATE_INSTANCE_EXTENSION_PROPERTIES = 1,
VK_CHAIN_TYPE_ENUMERATE_INSTANCE_LAYER_PROPERTIES = 2,
} VkChainType;
typedef struct VkChainHeader {
VkChainType type;
uint32_t version;
uint32_t size;
} VkChainHeader;
typedef struct VkEnumerateInstanceExtensionPropertiesChain {
VkChainHeader header;
VkResult(VKAPI_PTR *pfnNextLayer)(const struct VkEnumerateInstanceExtensionPropertiesChain *, const char *, uint32_t *,
VkExtensionProperties *);
const struct VkEnumerateInstanceExtensionPropertiesChain *pNextLink;
#if defined(__cplusplus)
inline VkResult CallDown(const char *pLayerName, uint32_t *pPropertyCount, VkExtensionProperties *pProperties) const {
return pfnNextLayer(pNextLink, pLayerName, pPropertyCount, pProperties);
}
#endif
} VkEnumerateInstanceExtensionPropertiesChain;
typedef struct VkEnumerateInstanceLayerPropertiesChain {
VkChainHeader header;
VkResult(VKAPI_PTR *pfnNextLayer)(const struct VkEnumerateInstanceLayerPropertiesChain *, uint32_t *, VkLayerProperties *);
const struct VkEnumerateInstanceLayerPropertiesChain *pNextLink;
#if defined(__cplusplus)
inline VkResult CallDown(uint32_t *pPropertyCount, VkLayerProperties *pProperties) const {
return pfnNextLayer(pNextLink, pPropertyCount, pProperties);
}
#endif
} VkEnumerateInstanceLayerPropertiesChain;
#ifdef __cplusplus
}
#endif