1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Vulkan
*
* Copyright (C) 2014 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <unordered_map>
#include "loader_platform.h"
#include "vk_dispatch_table_helper.h"
#include "vkLayer.h"
// The following is #included again to catch certain OS-specific functions
// being used:
#include "loader_platform.h"
static std::unordered_map<void *, VK_LAYER_DISPATCH_TABLE *> tableMap;
static VK_LAYER_DISPATCH_TABLE * initLayerTable(const VK_BASE_LAYER_OBJECT *gpuw)
{
VK_LAYER_DISPATCH_TABLE *pTable;
assert(gpuw);
std::unordered_map<void *, VK_LAYER_DISPATCH_TABLE *>::const_iterator it = tableMap.find((void *) gpuw);
if (it == tableMap.end())
{
pTable = new VK_LAYER_DISPATCH_TABLE;
tableMap[(void *) gpuw] = pTable;
} else
{
return it->second;
}
layer_initialize_dispatch_table(pTable, gpuw->pGPA, (VkPhysicalGpu) gpuw->nextObject);
return pTable;
}
VK_LAYER_EXPORT VkResult VKAPI vkLayerExtension1(VkDevice device)
{
printf("In vkLayerExtension1() call w/ device: %p\n", (void*)device);
printf("vkLayerExtension1 returning SUCCESS\n");
return VK_SUCCESS;
}
VK_LAYER_EXPORT VkResult VKAPI vkGetExtensionSupport(VkPhysicalGpu gpu, const char* pExtName)
{
VkResult result;
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
/* This entrypoint is NOT going to init it's own dispatch table since loader calls here early */
if (!strncmp(pExtName, "vkLayerExtension1", strlen("vkLayerExtension1")))
{
result = VK_SUCCESS;
} else if (!strncmp(pExtName, "Basic", strlen("Basic")))
{
result = VK_SUCCESS;
} else if (!tableMap.empty() && (tableMap.find(gpuw) != tableMap.end()))
{
printf("At start of wrapped vkGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu);
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[gpuw];
result = pTable->GetExtensionSupport((VkPhysicalGpu)gpuw->nextObject, pExtName);
printf("Completed wrapped vkGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu);
} else
{
result = VK_ERROR_INVALID_EXTENSION;
}
return result;
}
VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalGpu gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
{
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[gpuw];
printf("At start of wrapped vkCreateDevice() call w/ gpu: %p\n", (void*)gpu);
VkResult result = pTable->CreateDevice((VkPhysicalGpu)gpuw->nextObject, pCreateInfo, pDevice);
// create a mapping for the device object into the dispatch table
tableMap.emplace(*pDevice, pTable);
printf("Completed wrapped vkCreateDevice() call w/ pDevice, Device %p: %p\n", (void*)pDevice, (void *) *pDevice);
return result;
}
VK_LAYER_EXPORT VkResult VKAPI vkGetFormatInfo(VkDevice device, VkFormat format, VkFormatInfoType infoType, size_t* pDataSize, void* pData)
{
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[device];
printf("At start of wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
VkResult result = pTable->GetFormatInfo(device, format, infoType, pDataSize, pData);
printf("Completed wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
return result;
}
VK_LAYER_EXPORT VkResult VKAPI vkEnumerateLayers(VkPhysicalGpu gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved)
{
if (gpu != NULL)
{
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
VK_LAYER_DISPATCH_TABLE* pTable = initLayerTable(gpuw);
printf("At start of wrapped vkEnumerateLayers() call w/ gpu: %p\n", gpu);
VkResult result = pTable->EnumerateLayers((VkPhysicalGpu)gpuw->nextObject, maxLayerCount, maxStringSize, pOutLayerCount, pOutLayers, pReserved);
return result;
} else
{
if (pOutLayerCount == NULL || pOutLayers == NULL || pOutLayers[0] == NULL || pReserved == NULL)
return VK_ERROR_INVALID_POINTER;
// Example of a layer that is only compatible with Intel's GPUs
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT*) pReserved;
PFN_vkGetGpuInfo fpGetGpuInfo;
VkPhysicalGpuProperties gpuProps;
size_t dataSize = sizeof(VkPhysicalGpuProperties);
fpGetGpuInfo = (PFN_vkGetGpuInfo) gpuw->pGPA((VkPhysicalGpu) gpuw->nextObject, "vkGetGpuInfo");
fpGetGpuInfo((VkPhysicalGpu) gpuw->nextObject, VK_INFO_TYPE_PHYSICAL_GPU_PROPERTIES, &dataSize, &gpuProps);
if (gpuProps.vendorId == 0x8086)
{
*pOutLayerCount = 1;
strncpy((char *) pOutLayers[0], "Basic", maxStringSize);
} else
{
*pOutLayerCount = 0;
}
return VK_SUCCESS;
}
}
VK_LAYER_EXPORT void * VKAPI vkGetProcAddr(VkPhysicalGpu gpu, const char* pName)
{
if (gpu == NULL)
return NULL;
initLayerTable((const VK_BASE_LAYER_OBJECT *) gpu);
if (!strncmp("vkGetProcAddr", pName, sizeof("vkGetProcAddr")))
return (void *) vkGetProcAddr;
else if (!strncmp("vkCreateDevice", pName, sizeof ("vkCreateDevice")))
return (void *) vkCreateDevice;
else if (!strncmp("vkGetExtensionSupport", pName, sizeof ("vkGetExtensionSupport")))
return (void *) vkGetExtensionSupport;
else if (!strncmp("vkEnumerateLayers", pName, sizeof ("vkEnumerateLayers")))
return (void *) vkEnumerateLayers;
else if (!strncmp("vkGetFormatInfo", pName, sizeof ("vkGetFormatInfo")))
return (void *) vkGetFormatInfo;
else if (!strncmp("vkLayerExtension1", pName, sizeof("vkLayerExtension1")))
return (void *) vkLayerExtension1;
else {
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
if (gpuw->pGPA == NULL)
return NULL;
return gpuw->pGPA((VkPhysicalGpu) gpuw->nextObject, pName);
}
}
|
