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debug_report.h
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debug_report.h
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/*
* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, Inc.
* Copyright (C) 2015-2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
* Author: Jon Ashburn <jon@lunarg.com>
*
*/
#include "vk_loader_platform.h"
#include "loader.h"
// CreateMsgCallback is global and needs to be
// applied to all layers and ICDs.
// What happens if a layer is enabled on both the instance chain
// as well as the device chain and a call to CreateMsgCallback is made?
// Do we need to make sure that each layer / driver only gets called once?
// Should a layer implementing support for CreateMsgCallback only be allowed (?)
// to live on one chain? Or maybe make it the application's responsibility.
// If the app enables DRAW_STATE on at both CreateInstance time and CreateDevice
// time, CreateMsgCallback will call the DRAW_STATE layer twice. Once via
// the instance chain and once via the device chain.
// The loader should only return the DEBUG_REPORT extension as supported
// for the GetGlobalExtensionSupport call. That should help eliminate one
// duplication.
// Since the instance chain requires us iterating over the available ICDs
// and each ICD will have it's own unique MsgCallback object we need to
// track those objects to give back the right one.
// This also implies that the loader has to intercept vkDestroyObject and
// if the extension is enabled and the object type is a MsgCallback then
// we must translate the object into the proper ICD specific ones.
// DestroyObject works on a device chain. Should not be what's destroying
// the MsgCallback object. That needs to be an instance thing. So, since
// we used an instance to create it, we need a custom Destroy that also
// takes an instance. That way we can iterate over the ICDs properly.
// Example use:
// CreateInstance: DEBUG_REPORT
// Loader will create instance chain with enabled extensions.
// TODO: Should validation layers be enabled here? If not, they will not be in
// the instance chain.
// fn = GetProcAddr(INSTANCE, "vkCreateMsgCallback") -> point to loader's
// vkCreateMsgCallback
// App creates a callback object: fn(..., &MsgCallbackObject1)
// Have only established the instance chain so far. Loader will call the
// instance chain.
// Each layer in the instance chain will call down to the next layer,
// terminating with
// the CreateMsgCallback loader terminator function that creates the actual
// MsgCallbackObject1 object.
// The loader CreateMsgCallback terminator will iterate over the ICDs.
// Calling each ICD that supports vkCreateMsgCallback and collect answers in
// icd_msg_callback_map here.
// As result is sent back up the chain each layer has opportunity to record the
// callback operation and
// appropriate MsgCallback object.
// ...
// Any reports matching the flags set in MsgCallbackObject1 will generate the
// defined callback behavior
// in the layer / ICD that initiated that report.
// ...
// CreateDevice: MemTracker:...
// App does not include DEBUG_REPORT as that is a global extension.
// TODO: GetExtensionSupport must not report DEBUG_REPORT when using instance.
// App MUST include any desired validation layers or they will not participate
// in the device call chain.
// App creates a callback object: fn(..., &MsgCallbackObject2)
// Loader's vkCreateMsgCallback is called.
// Loader sends call down instance chain - this is a global extension - any
// validation layer that was
// enabled at CreateInstance will be able to register the callback. Loader will
// iterate over the ICDs and
// will record the ICD's version of the MsgCallback2 object here.
// ...
// Any report will go to the layer's report function and it will check the flags
// for MsgCallbackObject1
// and MsgCallbackObject2 and take the appropriate action as indicated by the
// app.
// ...
// App calls vkDestroyMsgCallback( MsgCallbackObject1 )
// Loader's DestroyMsgCallback is where call starts. DestroyMsgCallback will be
// sent down instance chain
// ending in the loader's DestroyMsgCallback terminator which will iterate over
// the ICD's destroying each
// ICD version of that MsgCallback object and then destroy the loader's version
// of the object.
// Any reports generated after this will only have MsgCallbackObject2 available.
void debug_report_add_instance_extensions(const struct loader_instance *inst, struct loader_extension_list *ext_list);
void debug_report_create_instance(struct loader_instance *ptr_instance, const VkInstanceCreateInfo *pCreateInfo);
bool debug_report_instance_gpa(struct loader_instance *ptr_instance, const char *name, void **addr);
VKAPI_ATTR VkResult VKAPI_CALL terminator_CreateDebugReportCallbackEXT(VkInstance instance,
const VkDebugReportCallbackCreateInfoEXT *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkDebugReportCallbackEXT *pCallback);
VKAPI_ATTR void VKAPI_CALL terminator_DestroyDebugReportCallbackEXT(VkInstance instance, VkDebugReportCallbackEXT callback,
const VkAllocationCallbacks *pAllocator);
VKAPI_ATTR void VKAPI_CALL terminator_DebugReportMessageEXT(VkInstance instance, VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objType, uint64_t object, size_t location,
int32_t msgCode, const char *pLayerPrefix, const char *pMsg);
VkResult util_CreateDebugReportCallback(struct loader_instance *inst, VkDebugReportCallbackCreateInfoEXT *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkDebugReportCallbackEXT callback);
void util_DestroyDebugReportCallback(struct loader_instance *inst, VkDebugReportCallbackEXT callback,
const VkAllocationCallbacks *pAllocator);
VkResult util_CopyDebugReportCreateInfos(const void *pChain, const VkAllocationCallbacks *pAllocator, uint32_t *num_callbacks,
VkDebugReportCallbackCreateInfoEXT **infos, VkDebugReportCallbackEXT **callbacks);
void util_FreeDebugReportCreateInfos(const VkAllocationCallbacks *pAllocator, VkDebugReportCallbackCreateInfoEXT *infos,
VkDebugReportCallbackEXT *callbacks);
VkResult util_CreateDebugReportCallbacks(struct loader_instance *inst, const VkAllocationCallbacks *pAllocator,
uint32_t num_callbacks, VkDebugReportCallbackCreateInfoEXT *infos,
VkDebugReportCallbackEXT *callbacks);
void util_DestroyDebugReportCallbacks(struct loader_instance *inst, const VkAllocationCallbacks *pAllocator, uint32_t num_callbacks,
VkDebugReportCallbackEXT *callbacks);
VkBool32 util_DebugReportMessage(const struct loader_instance *inst, VkFlags msgFlags, VkDebugReportObjectTypeEXT objectType,
uint64_t srcObject, size_t location, int32_t msgCode, const char *pLayerPrefix, const char *pMsg);