SDL 2.0
SDL_waylandvulkan.c
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21
22/*
23 * @author Mark Callow, www.edgewise-consulting.com. Based on Jacob Lifshay's
24 * SDL_x11vulkan.c.
25 */
26
27#include "../../SDL_internal.h"
28
29#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_WAYLAND
30
31#include "SDL_waylandvideo.h"
32#include "SDL_waylandwindow.h"
33#include "SDL_assert.h"
34
35#include "SDL_loadso.h"
36#include "SDL_waylandvulkan.h"
37#include "SDL_syswm.h"
38
39int Wayland_Vulkan_LoadLibrary(_THIS, const char *path)
40{
41 VkExtensionProperties *extensions = NULL;
42 Uint32 i, extensionCount = 0;
43 SDL_bool hasSurfaceExtension = SDL_FALSE;
44 SDL_bool hasWaylandSurfaceExtension = SDL_FALSE;
47 return SDL_SetError("Vulkan already loaded");
48
49 /* Load the Vulkan loader library */
50 if(!path)
51 path = SDL_getenv("SDL_VULKAN_LIBRARY");
52 if(!path)
53 path = "libvulkan.so.1";
56 return -1;
60 _this->vulkan_config.loader_handle, "vkGetInstanceProcAddr");
62 goto fail;
66 VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
68 goto fail;
69 extensions = SDL_Vulkan_CreateInstanceExtensionsList(
72 &extensionCount);
73 if(!extensions)
74 goto fail;
75 for(i = 0; i < extensionCount; i++)
76 {
77 if(SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
78 hasSurfaceExtension = SDL_TRUE;
79 else if(SDL_strcmp(VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
80 hasWaylandSurfaceExtension = SDL_TRUE;
81 }
82 SDL_free(extensions);
83 if(!hasSurfaceExtension)
84 {
85 SDL_SetError("Installed Vulkan doesn't implement the "
87 goto fail;
88 }
89 else if(!hasWaylandSurfaceExtension)
90 {
91 SDL_SetError("Installed Vulkan doesn't implement the "
93 goto fail;
94 }
95 return 0;
96
97fail:
100 return -1;
101}
102
103void Wayland_Vulkan_UnloadLibrary(_THIS)
104{
106 {
109 }
110}
111
112SDL_bool Wayland_Vulkan_GetInstanceExtensions(_THIS,
114 unsigned *count,
115 const char **names)
116{
117 static const char *const extensionsForWayland[] = {
119 };
121 {
122 SDL_SetError("Vulkan is not loaded");
123 return SDL_FALSE;
124 }
125 return SDL_Vulkan_GetInstanceExtensions_Helper(
126 count, names, SDL_arraysize(extensionsForWayland),
127 extensionsForWayland);
128}
129
130void Wayland_Vulkan_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h)
131{
133 if (window->driverdata) {
134 data = (SDL_WindowData *) window->driverdata;
135
136 if (w) {
137 *w = window->w * data->scale_factor;
138 }
139
140 if (h) {
141 *h = window->h * data->scale_factor;
142 }
143 }
144}
145
146SDL_bool Wayland_Vulkan_CreateSurface(_THIS,
148 VkInstance instance,
149 VkSurfaceKHR *surface)
150{
151 SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
156 (VkInstance)instance,
157 "vkCreateWaylandSurfaceKHR");
160
162 {
163 SDL_SetError("Vulkan is not loaded");
164 return SDL_FALSE;
165 }
166
168 {
170 " extension is not enabled in the Vulkan instance.");
171 return SDL_FALSE;
172 }
173 SDL_zero(createInfo);
175 createInfo.pNext = NULL;
176 createInfo.flags = 0;
177 createInfo.display = windowData->waylandData->display;
178 createInfo.surface = windowData->surface;
179 result = vkCreateWaylandSurfaceKHR(instance, &createInfo,
180 NULL, surface);
181 if(result != VK_SUCCESS)
182 {
183 SDL_SetError("vkCreateWaylandSurfaceKHR failed: %s",
184 SDL_Vulkan_GetResultString(result));
185 return SDL_FALSE;
186 }
187 return SDL_TRUE;
188}
189
190#endif
191
192/* vim: set ts=4 sw=4 expandtab: */
#define _THIS
#define SDL_SetError
#define SDL_LoadObject
#define SDL_UnloadObject
#define SDL_getenv
#define SDL_strlcpy
#define SDL_free
#define SDL_strcmp
void * SDL_LoadFunction(void *handle, const char *name)
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
GLuint64EXT * result
GLuint GLuint * names
GLsizei const GLchar *const * path
GLfloat GLfloat GLfloat GLfloat h
GLubyte GLubyte GLubyte GLubyte w
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
SDL_bool
Definition: SDL_stdinc.h:162
@ SDL_TRUE
Definition: SDL_stdinc.h:164
@ SDL_FALSE
Definition: SDL_stdinc.h:163
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
uint32_t Uint32
Definition: SDL_stdinc.h:203
static SDL_VideoDevice * _this
Definition: SDL_video.c:118
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:167
EGLSurface surface
Definition: eglext.h:248
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
struct wl_display * display
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr
Definition: SDL_sysvideo.h:372
PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties
Definition: SDL_sysvideo.h:373
char loader_path[256]
Definition: SDL_sysvideo.h:375
struct SDL_VideoDevice::@263 vulkan_config
void * loader_handle
Definition: SDL_sysvideo.h:376
SDL_Surface * surface
SDL_VideoData * waylandData
The type used to identify a window.
Definition: SDL_sysvideo.h:74
VkWaylandSurfaceCreateFlagsKHR flags
struct wl_display * display
struct wl_surface * surface
VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *pName)
#define VK_KHR_SURFACE_EXTENSION_NAME
Definition: vulkan_core.h:4669
VkResult
Definition: vulkan_core.h:120
@ VK_SUCCESS
Definition: vulkan_core.h:121
VkResult(VKAPI_PTR * PFN_vkEnumerateInstanceExtensionProperties)(const char *pLayerName, uint32_t *pPropertyCount, VkExtensionProperties *pProperties)
Definition: vulkan_core.h:2863
#define VK_NULL_HANDLE
Definition: vulkan_core.h:49
PFN_vkVoidFunction(VKAPI_PTR * PFN_vkGetInstanceProcAddr)(VkInstance instance, const char *pName)
Definition: vulkan_core.h:2859
@ VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR
Definition: vulkan_core.h:287
VKAPI_ATTR VkResult VKAPI_CALL vkCreateWaylandSurfaceKHR(VkInstance instance, const VkWaylandSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
#define VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME
VkResult(VKAPI_PTR * PFN_vkCreateWaylandSurfaceKHR)(VkInstance instance, const VkWaylandSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)