SDL 2.0
SDL_androidvulkan.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_ANDROID
30
31#include "SDL_androidvideo.h"
32#include "SDL_androidwindow.h"
33#include "SDL_assert.h"
34
35#include "SDL_loadso.h"
36#include "SDL_androidvulkan.h"
37#include "SDL_syswm.h"
38
39int Android_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 hasAndroidSurfaceExtension = 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";
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_ANDROID_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
80 hasAndroidSurfaceExtension = 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(!hasAndroidSurfaceExtension)
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 Android_Vulkan_UnloadLibrary(_THIS)
104{
106 {
109 }
110}
111
112SDL_bool Android_Vulkan_GetInstanceExtensions(_THIS,
114 unsigned *count,
115 const char **names)
116{
117 static const char *const extensionsForAndroid[] = {
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(extensionsForAndroid),
127 extensionsForAndroid);
128}
129
130SDL_bool Android_Vulkan_CreateSurface(_THIS,
132 VkInstance instance,
133 VkSurfaceKHR *surface)
134{
135 SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
140 (VkInstance)instance,
141 "vkCreateAndroidSurfaceKHR");
144
146 {
147 SDL_SetError("Vulkan is not loaded");
148 return SDL_FALSE;
149 }
150
152 {
154 " extension is not enabled in the Vulkan instance.");
155 return SDL_FALSE;
156 }
157 SDL_zero(createInfo);
159 createInfo.pNext = NULL;
160 createInfo.flags = 0;
161 createInfo.window = windowData->native_window;
162 result = vkCreateAndroidSurfaceKHR(instance, &createInfo,
163 NULL, surface);
164 if(result != VK_SUCCESS)
165 {
166 SDL_SetError("vkCreateAndroidSurfaceKHR failed: %s",
167 SDL_Vulkan_GetResultString(result));
168 return SDL_FALSE;
169 }
170 return SDL_TRUE;
171}
172
173#endif
174
175/* 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
#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
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
ANativeWindow * native_window
The type used to identify a window.
Definition: SDL_sysvideo.h:74
struct ANativeWindow * window
VkAndroidSurfaceCreateFlagsKHR flags
VKAPI_ATTR VkResult VKAPI_CALL vkCreateAndroidSurfaceKHR(VkInstance instance, const VkAndroidSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
#define VK_KHR_ANDROID_SURFACE_EXTENSION_NAME
VkResult(VKAPI_PTR * PFN_vkCreateAndroidSurfaceKHR)(VkInstance instance, const VkAndroidSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
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_ANDROID_SURFACE_CREATE_INFO_KHR
Definition: vulkan_core.h:288