SDL 2.0
SDL_windowsvulkan.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_WINDOWS
30
31#include "SDL_windowsvideo.h"
32#include "SDL_windowswindow.h"
33#include "SDL_assert.h"
34
35#include "SDL_loadso.h"
36#include "SDL_windowsvulkan.h"
37#include "SDL_syswm.h"
38
39int WIN_Vulkan_LoadLibrary(_THIS, const char *path)
40{
41 VkExtensionProperties *extensions = NULL;
42 Uint32 extensionCount = 0;
43 Uint32 i;
44 SDL_bool hasSurfaceExtension = SDL_FALSE;
45 SDL_bool hasWin32SurfaceExtension = SDL_FALSE;
48 return SDL_SetError("Vulkan already loaded");
49
50 /* Load the Vulkan loader library */
51 if(!path)
52 path = SDL_getenv("SDL_VULKAN_LIBRARY");
53 if(!path)
54 path = "vulkan-1.dll";
57 return -1;
61 _this->vulkan_config.loader_handle, "vkGetInstanceProcAddr");
63 goto fail;
67 VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
69 goto fail;
70 extensions = SDL_Vulkan_CreateInstanceExtensionsList(
73 &extensionCount);
74 if(!extensions)
75 goto fail;
76 for(i = 0; i < extensionCount; i++)
77 {
78 if(SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
79 hasSurfaceExtension = SDL_TRUE;
80 else if(SDL_strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
81 hasWin32SurfaceExtension = SDL_TRUE;
82 }
83 SDL_free(extensions);
84 if(!hasSurfaceExtension)
85 {
86 SDL_SetError("Installed Vulkan doesn't implement the "
88 goto fail;
89 }
90 else if(!hasWin32SurfaceExtension)
91 {
92 SDL_SetError("Installed Vulkan doesn't implement the "
94 goto fail;
95 }
96 return 0;
97
98fail:
101 return -1;
102}
103
104void WIN_Vulkan_UnloadLibrary(_THIS)
105{
107 {
110 }
111}
112
113SDL_bool WIN_Vulkan_GetInstanceExtensions(_THIS,
115 unsigned *count,
116 const char **names)
117{
118 static const char *const extensionsForWin32[] = {
120 };
122 {
123 SDL_SetError("Vulkan is not loaded");
124 return SDL_FALSE;
125 }
126 return SDL_Vulkan_GetInstanceExtensions_Helper(
127 count, names, SDL_arraysize(extensionsForWin32),
128 extensionsForWin32);
129}
130
131SDL_bool WIN_Vulkan_CreateSurface(_THIS,
133 VkInstance instance,
134 VkSurfaceKHR *surface)
135{
136 SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
141 (VkInstance)instance,
142 "vkCreateWin32SurfaceKHR");
145
147 {
148 SDL_SetError("Vulkan is not loaded");
149 return SDL_FALSE;
150 }
151
153 {
155 " extension is not enabled in the Vulkan instance.");
156 return SDL_FALSE;
157 }
159 createInfo.pNext = NULL;
160 createInfo.flags = 0;
161 createInfo.hinstance = windowData->hinstance;
162 createInfo.hwnd = windowData->hwnd;
163 result = vkCreateWin32SurfaceKHR(instance, &createInfo,
164 NULL, surface);
165 if(result != VK_SUCCESS)
166 {
167 SDL_SetError("vkCreateWin32SurfaceKHR failed: %s",
168 SDL_Vulkan_GetResultString(result));
169 return SDL_FALSE;
170 }
171 return SDL_TRUE;
172}
173
174#endif
175
176/* vi: 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
GLuint64EXT * result
GLuint GLuint * names
GLsizei const GLchar *const * path
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
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
The type used to identify a window.
Definition: SDL_sysvideo.h:74
VkWin32SurfaceCreateFlagsKHR flags
Definition: vulkan_win32.h:39
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_WIN32_SURFACE_CREATE_INFO_KHR
Definition: vulkan_core.h:289
VkResult(VKAPI_PTR * PFN_vkCreateWin32SurfaceKHR)(VkInstance instance, const VkWin32SurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
Definition: vulkan_win32.h:45
VKAPI_ATTR VkResult VKAPI_CALL vkCreateWin32SurfaceKHR(VkInstance instance, const VkWin32SurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
#define VK_KHR_WIN32_SURFACE_EXTENSION_NAME
Definition: vulkan_win32.h:32