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
|
#ifndef _VKSETUP_H
#define _VKSETUP_H
/* Start header file */
/**
vulkan setup and basic vector math
Single header file with included implementation in the spirit of
stb_* <https://github.com/nothings/stb>
ASSUMPTIONS:
~~~~~~~~~~~~
- Using SDL2 for the window
- Using cglm for maths
- Using shaderc for compiling glsl
- Using vulkan(!)
USAGE:
~~~~~~
Do this:
#define VKSETUP_IMPLEMENTATION
before you include this file in *one* C or C++ file to create the implementation.
// i.e. it should look like this:
#include ...
#include ...
#include ...
#define VKSETUP_IMPLEMENTATION
#include "vksetup.h"
*/
#define SDL_MAIN_HANDLED
#define VK_USE_PLATFORM_XCB_KHR
#include <SDL2/SDL.h>
#include <SDL2/SDL_vulkan.h>
#include <vulkan/vulkan.h>
#include <shaderc/shaderc.h>
#include "../lib/cglm/include/cglm/cglm.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef VKSETUPDEF
#ifdef VKSETUP_STATIC
#define VKSETUPDEF static
#else
#define VKSETUPDEF extern
#endif
#endif
// TODO Create structs for vulkan data
typedef struct {void * a;} vksetup_vulkan;
typedef struct {void * a;} vksetup_image;
typedef struct {void * a;} vksetup_;
// need abstraction with the
/**
Create a VkInstance
*/
VKSETUPDEF VkInstance vksetup_create_instance(bool validation_layers_toggle, const char * const validation_layers[], uint32_t validation_layer_count, SDL_Window *window);
/* VKSETUPDEF void vulkan_create_surface(); */
/* VKSETUPDEF void vulkan_pick_physical_device(); */
/* VKSETUPDEF void vulkan_create_logical_device(); */
/* VKSETUPDEF void vulkan_create_swap_chain(); */
/* VKSETUPDEF void vulkan_create_image_views(); */
/* VKSETUPDEF void vulkan_create_descriptor_set_layout(); */
/* VKSETUPDEF void vulkan_create_graphics_pipeline(); */
/* VKSETUPDEF void vulkan_create_command_pool(); */
/* VKSETUPDEF void vulkan_create_depth_resources(); */
/* VKSETUPDEF void vulkan_create_texture_image(); */
/* VKSETUPDEF void vulkan_create_texture_image_view(); */
/* VKSETUPDEF void vulkan_create_texture_sampler(); */
/* VKSETUPDEF void vulkan_create_vertex_buffer(); */
/* VKSETUPDEF void vulkan_create_index_buffer(); */
/* VKSETUPDEF void vulkan_create_uniform_buffers(); */
/* VKSETUPDEF void vulkan_create_descriptor_pool(); */
/* VKSETUPDEF void vulkan_create_descriptor_sets(); */
/* VKSETUPDEF void vulkan_create_command_buffer(); */
/* VKSETUPDEF void vulkan_create_sync_objects(); */
#ifdef __cplusplus
}
#endif
/* End header file */
#endif /* _VKSETUP_H */
#ifdef VKSETUP_IMPLEMENTATION
#include <stddef.h>
#include <stdlib.h>
#include <time.h>
#include "vkutil.h"
bool
_checkValidationLayerSupport(const char * const validation_layers[], uint32_t validation_layer_count)
{
uint32_t layerCount;
vkEnumerateInstanceLayerProperties(&layerCount, NULL);
VkLayerProperties availableLayers[layerCount];
vkEnumerateInstanceLayerProperties(&layerCount, availableLayers);
for (uint32_t i = 0; i < validation_layer_count; i++) {
bool layerFound = false;
for (uint32_t j = 0; j < layerCount; j++) {
if (strcmp(validation_layers[i], availableLayers[j].layerName) == 0) {
layerFound = true;
break;
}
}
if (!layerFound) {
return false;
}
}
return true;
}
VKSETUPDEF VkInstance
vksetup_create_instance(bool validation_layers_toggle, const char * const validation_layers[], uint32_t validation_layer_count, SDL_Window *window)
{
if (validation_layers_toggle && !_checkValidationLayerSupport(validation_layers, validation_layer_count)) {
vk_log(VK_ERROR, "validation layers requested, but not available!\n");
}
uint32_t instanceVersion;
VkResult result = vkEnumerateInstanceVersion(&instanceVersion);
if (result == VK_SUCCESS) {
if (instanceVersion < VK_MAKE_API_VERSION(0, 1, 3, 0)) {
vk_log(VK_ERROR, "Vulkan version 1.3 or greater required!\n");
exit(1);
}
vk_log(VK_INFO, "Vulkan version found (%d) %d.%d.%d\n",
VK_API_VERSION_VARIANT(instanceVersion),
VK_API_VERSION_MAJOR(instanceVersion),
VK_API_VERSION_MINOR(instanceVersion),
VK_API_VERSION_PATCH(instanceVersion));
} else {
vk_log(VK_ERROR, "Failed to retrieve vulkan version, is vulkan supported in this system?\n");
exit(1);
}
// Load Vulkan and create instance
VkApplicationInfo appInfo = {
.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
.pApplicationName = "Vulkan Application",
.applicationVersion = VK_MAKE_API_VERSION(0, 1, 3, 0),
.pEngineName = NULL,
.engineVersion = VK_MAKE_API_VERSION(0, 1, 3, 0),
.apiVersion = VK_MAKE_API_VERSION(0, 1, 3, 0),
};
uint32_t sdlExtensionCount = 0;
if (SDL_Vulkan_GetInstanceExtensions(window, &sdlExtensionCount, NULL) == SDL_FALSE) {
vk_log(VK_ERROR, "SDL_Vulkan_GetInstanceExtensions failed: %s\n", SDL_GetError());
}
// make space for debug extenetion
if (validation_layers_toggle) {
sdlExtensionCount++;
}
const char* sdlExtensions[sdlExtensionCount];
if (SDL_Vulkan_GetInstanceExtensions(window, &sdlExtensionCount, sdlExtensions) == SDL_FALSE) {
vk_log(VK_ERROR, "SDL_Vulkan_GetInstanceExtensions failed: %s\n", SDL_GetError());
}
// add debug extenetion
if (validation_layers_toggle) {
sdlExtensions[sdlExtensionCount] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
}
vk_log(VK_INFO, "The sdl extensions:\n");
for (uint32_t i = 0; i < sdlExtensionCount; i++) {
vk_log(VK_INFO, "\t%s\n", sdlExtensions[i]);
}
VkInstanceCreateInfo createInfo = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pApplicationInfo = &appInfo,
.enabledExtensionCount = sdlExtensionCount,
.ppEnabledExtensionNames = sdlExtensions,
.enabledLayerCount = 0,
};
if (validation_layers_toggle) {
createInfo.enabledLayerCount = validation_layer_count;
createInfo.ppEnabledLayerNames = validation_layers;
}
VkInstance instance;
if (vkCreateInstance(&createInfo, NULL, &instance) != VK_SUCCESS) {
vk_log(VK_ERROR, "Can't start vulkan instance\n");
}
vk_log(VK_INFO, "Vulkan instance created\n");
return instance;
}
#endif /* VKSETUP_IMPLEMENTATION */
|
