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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
#include "device.h"
#include "vkassert.h"
#include <rune/core/alloc.h>
#include <rune/core/logging.h>
static int gfx_qfam = -1;
static int tsfr_qfam = -1;
static int comp_qfam = -1;
static int pres_qfam = -1;
struct vkdev_data {
VkPhysicalDeviceProperties pdev_props;
VkPhysicalDeviceFeatures pdev_feats;
VkPhysicalDeviceMemoryProperties pdev_mprops;
uint32_t pdev_ext_count;
const char** pdev_extensions;
};
void _query_pdev_data(VkPhysicalDevice pdev, struct vkdev_data *pdata) {
vkGetPhysicalDeviceProperties(pdev, &pdata->pdev_props);
vkGetPhysicalDeviceFeatures(pdev, &pdata->pdev_feats);
vkGetPhysicalDeviceMemoryProperties(pdev, &pdata->pdev_mprops);
}
uint32_t _query_qfam_data(VkSurfaceKHR surface, VkPhysicalDevice pdev, VkQueueFamilyProperties** qfam_props) {
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(pdev, &count, NULL);
*qfam_props = rune_alloc(sizeof(VkQueueFamilyProperties) * count);
vkGetPhysicalDeviceQueueFamilyProperties(pdev, &count, *qfam_props);
return count;
}
int _query_gfx_index(int num_props, VkQueueFamilyProperties *qfam_props) {
for (int i = 0; i < num_props; i++) {
if (qfam_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
gfx_qfam = i;
}
return gfx_qfam;
}
int _query_tsfr_index(int num_props, VkQueueFamilyProperties *qfam_props) {
for (int i = 0; i < num_props; i++) {
if (qfam_props[i].queueFlags & VK_QUEUE_TRANSFER_BIT)
tsfr_qfam = i;
}
return tsfr_qfam;
}
int _query_comp_index(int num_props, VkQueueFamilyProperties *qfam_props) {
for (int i = 0; i < num_props; i++) {
if (qfam_props[i].queueFlags & VK_QUEUE_COMPUTE_BIT)
comp_qfam = i;
}
return comp_qfam;
}
int _query_pres_index(int num_props, VkQueueFamilyProperties *qfam_props, VkPhysicalDevice pdev, VkSurfaceKHR surface) {
VkBool32 present_bit;
for (int i = 0; i < num_props; i++) {
vkGetPhysicalDeviceSurfaceSupportKHR(pdev, 0, surface, &present_bit);
if (present_bit != VK_FALSE)
pres_qfam = i;
}
return pres_qfam;
}
int _check_pdev(VkSurfaceKHR surface, VkPhysicalDevice pdev) {
int score = 0;
struct vkdev_data pdata;
_query_pdev_data(pdev, &pdata);
if (pdata.pdev_props.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
return score;
VkQueueFamilyProperties *qfam_props;
uint32_t num_qfams = _query_qfam_data(surface, pdev, &qfam_props);
if (_query_gfx_index(num_qfams, qfam_props) != -1)
score += 20;
if (_query_comp_index(num_qfams, qfam_props) != -1)
score += 20;
if (_query_tsfr_index(num_qfams, qfam_props) != -1)
score += 20;
if (_query_pres_index(num_qfams, qfam_props, pdev, surface) != -1)
score += 20;
rune_free(qfam_props);
return score;
}
VkPhysicalDevice _select_pdev(VkInstance instance, VkSurfaceKHR surface) {
uint32_t count;
vkEnumeratePhysicalDevices(instance, &count, NULL);
if (count == 0)
return NULL;
VkPhysicalDevice pdevs[count];
vkEnumeratePhysicalDevices(instance, &count, pdevs);
for (uint32_t i = 0; i < count; i++) {
if (_check_pdev(surface, pdevs[i]) >= 80)
return pdevs[i];
}
return NULL;
}
void _create_queue(struct vkdev *dev, int qfam_index, int queue_index) {
vkGetDeviceQueue(dev->ldev, qfam_index, queue_index, &dev->queues[qfam_index].handle);
if (dev->queues[qfam_index].handle == NULL) {
log_output(LOG_FATAL, "Error creating required Vulkan queue");
rune_abort();
}
}
struct vkdev* create_vkdev(VkInstance instance, VkSurfaceKHR surface) {
VkPhysicalDevice pdev = _select_pdev(instance, surface);
if (pdev == NULL) {
log_output(LOG_FATAL, "No device meets minimum requirements for rendering");
rune_abort();
}
struct vkdev *dev = rune_calloc(0, sizeof(struct vkdev));
dev->pdev = pdev;
dev->queues[0].index = gfx_qfam;
dev->queues[1].index = tsfr_qfam;
dev->queues[2].index = comp_qfam;
dev->queues[3].index = pres_qfam;
float queue_priority = 1.0f;
VkDeviceQueueCreateInfo qcinfos[3];
for (int i = 0; i < 3; i++) {
qcinfos[i].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
qcinfos[i].pNext = NULL;
qcinfos[i].flags = 0;
qcinfos[i].queueFamilyIndex = dev->queues[i].index;
qcinfos[i].queueCount = 1;
qcinfos[i].pQueuePriorities = &queue_priority;
}
struct vkdev_data pdata;
_query_pdev_data(pdev, &pdata);
VkDeviceCreateInfo dcinfo;
dcinfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
dcinfo.pNext = NULL;
dcinfo.flags = 0;
dcinfo.queueCreateInfoCount = 3;
dcinfo.pQueueCreateInfos = qcinfos;
dcinfo.enabledLayerCount = 0;
dcinfo.ppEnabledLayerNames = NULL;
dcinfo.enabledExtensionCount = 1;
const char *ext_names = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
dcinfo.ppEnabledExtensionNames = &ext_names;
dcinfo.pEnabledFeatures = &pdata.pdev_feats;
vkassert(vkCreateDevice(dev->pdev, &dcinfo, NULL, &dev->ldev));
for (uint32_t i = 0; i < 3; i++)
_create_queue(dev, i, 0);
VkCommandPoolCreateInfo pcinfo;
pcinfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
pcinfo.pNext = NULL;
pcinfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
pcinfo.queueFamilyIndex = dev->queues[0].index;
vkassert(vkCreateCommandPool(dev->ldev, &pcinfo, NULL, &dev->cmd_pool));
log_output(LOG_DEBUG, "Initialized new logical device");
return dev;
}
void destroy_vkdev(struct vkdev *dev) {
vkDestroyDevice(dev->ldev, NULL);
rune_free(dev);
}
void get_swapchain_data(struct vkdev *dev, VkSurfaceKHR *surface) {
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(dev->pdev, *surface, &dev->scdata.capabilities);
vkGetPhysicalDeviceSurfaceFormatsKHR(dev->pdev, *surface, &dev->scdata.format_count, NULL);
dev->scdata.formats = rune_alloc(sizeof(VkSurfaceFormatKHR) * dev->scdata.format_count);
vkGetPhysicalDeviceSurfaceFormatsKHR(dev->pdev, *surface, &dev->scdata.format_count, dev->scdata.formats);
vkGetPhysicalDeviceSurfacePresentModesKHR(dev->pdev, *surface, &dev->scdata.present_count, NULL);
dev->scdata.present_modes = rune_alloc(sizeof(VkPresentModeKHR) * dev->scdata.present_count);
vkGetPhysicalDeviceSurfacePresentModesKHR(dev->pdev, *surface, &dev->scdata.present_count, dev->scdata.present_modes);
}
int get_depth_format(struct vkdev *dev) {
const uint64_t count = 3;
VkFormat formats[3] = {
VK_FORMAT_D32_SFLOAT_S8_UINT,
VK_FORMAT_D24_UNORM_S8_UINT,
VK_FORMAT_D32_SFLOAT};
uint32_t flags = VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
VkFormatProperties props;
for (uint64_t i = 0; i < count; i++) {
vkGetPhysicalDeviceFormatProperties(dev->pdev, formats[i], &props);
if ((props.linearTilingFeatures & flags) == flags) {
dev->depth_format = formats[i];
return 1;
} else if ((props.optimalTilingFeatures & flags) == flags) {
dev->depth_format = formats[i];
return 1;
}
}
return 0;
}
uint32_t get_memory_index(struct vkdev *dev, uint32_t type, uint32_t flags) {
VkPhysicalDeviceMemoryProperties mem_props;
vkGetPhysicalDeviceMemoryProperties(dev->pdev, &mem_props);
for (uint32_t i = 0; i < mem_props.memoryTypeCount; i++) {
uint32_t tmp = type & (1 << i);
uint32_t prop_flags = mem_props.memoryTypes[i].propertyFlags;
if (tmp & prop_flags & flags)
return i;
}
log_output(LOG_WARN, "Unable to find suitable memory type");
return -1;
}
|
