SDL 2.0
SDL_vivantevulkan.c
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2017 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 Wladimir J. van der Laan. Based on Jacob Lifshay's
24 * SDL_x11vulkan.c, Mark Callow's SDL_androidvulkan.c, and
25 * the FSL demo framework.
26 */
27
28#include "../../SDL_internal.h"
29
30#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_VIVANTE
31
32#include "SDL_vivantevideo.h"
33#include "SDL_assert.h"
34
35#include "SDL_loadso.h"
36#include "SDL_vivantevulkan.h"
37#include "SDL_syswm.h"
38#include "SDL_log.h"
39
40int VIVANTE_Vulkan_LoadLibrary(_THIS, const char *path)
41{
42 VkExtensionProperties *extensions = NULL;
43 Uint32 i, extensionCount = 0;
44 SDL_bool hasSurfaceExtension = SDL_FALSE;
45 SDL_bool hasDisplayExtension = 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 {
55 /* If no path set, try Vivante fb vulkan driver explicitly */
56 path = "libvulkan-fb.so";
59 {
60 /* If that couldn't be loaded, fall back to default name */
61 path = "libvulkan.so";
63 }
64 } else {
66 }
68 return -1;
71 SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "vivante: Loaded vulkan driver %s", path);
73 _this->vulkan_config.loader_handle, "vkGetInstanceProcAddr");
75 goto fail;
79 VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
81 goto fail;
82 extensions = SDL_Vulkan_CreateInstanceExtensionsList(
85 &extensionCount);
86 if(!extensions)
87 goto fail;
88 for(i = 0; i < extensionCount; i++)
89 {
90 if(SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
91 hasSurfaceExtension = SDL_TRUE;
92 else if(SDL_strcmp(VK_KHR_DISPLAY_EXTENSION_NAME, extensions[i].extensionName) == 0)
93 hasDisplayExtension = SDL_TRUE;
94 }
95 SDL_free(extensions);
96 if(!hasSurfaceExtension)
97 {
98 SDL_SetError("Installed Vulkan doesn't implement the "
100 goto fail;
101 }
102 else if(!hasDisplayExtension)
103 {
104 SDL_SetError("Installed Vulkan doesn't implement the "
106 goto fail;
107 }
108 return 0;
109
110fail:
113 return -1;
114}
115
116void VIVANTE_Vulkan_UnloadLibrary(_THIS)
117{
119 {
122 }
123}
124
125SDL_bool VIVANTE_Vulkan_GetInstanceExtensions(_THIS,
127 unsigned *count,
128 const char **names)
129{
130 static const char *const extensionsForVivante[] = {
132 };
134 {
135 SDL_SetError("Vulkan is not loaded");
136 return SDL_FALSE;
137 }
138 return SDL_Vulkan_GetInstanceExtensions_Helper(
139 count, names, SDL_arraysize(extensionsForVivante),
140 extensionsForVivante);
141}
142
143SDL_bool VIVANTE_Vulkan_CreateSurface(_THIS,
145 VkInstance instance,
146 VkSurfaceKHR *surface)
147{
149 {
150 SDL_SetError("Vulkan is not loaded");
151 return SDL_FALSE;
152 }
153 return SDL_Vulkan_Display_CreateSurface(_this->vulkan_config.vkGetInstanceProcAddr, instance, surface);
154}
155
156#endif
157
158/* vi: set ts=4 sw=4 expandtab: */
159
#define _THIS
#define SDL_SetError
#define SDL_LoadObject
#define SDL_UnloadObject
#define SDL_getenv
#define SDL_strlcpy
#define SDL_free
#define SDL_strcmp
#define SDL_LogDebug
void * SDL_LoadFunction(void *handle, const char *name)
@ SDL_LOG_CATEGORY_VIDEO
Definition: SDL_log.h:71
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
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
VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *pName)
#define VK_KHR_SURFACE_EXTENSION_NAME
Definition: vulkan_core.h:4669
#define VK_KHR_DISPLAY_EXTENSION_NAME
Definition: vulkan_core.h:4953
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