SDL  2.0
SDL_waylandvulkan.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2020 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 
39 int 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 "
86  VK_KHR_SURFACE_EXTENSION_NAME " extension");
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 
97 fail:
100  return -1;
101 }
102 
103 void Wayland_Vulkan_UnloadLibrary(_THIS)
104 {
106  {
109  }
110 }
111 
112 SDL_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 
130 void 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 
146 SDL_bool Wayland_Vulkan_CreateSurface(_THIS,
148  VkInstance instance,
149  VkSurfaceKHR *surface)
150 {
151  SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
156  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: */
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:418
SDL_waylandvideo.h
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:203
SDL_strlcpy
#define SDL_strlcpy
Definition: SDL_dynapi_overrides.h:394
VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME
#define VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME
Definition: vulkan_wayland.h:32
SDL_VideoDevice::vkGetInstanceProcAddr
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr
Definition: SDL_sysvideo.h:380
PFN_vkGetInstanceProcAddr
PFN_vkVoidFunction(VKAPI_PTR * PFN_vkGetInstanceProcAddr)(VkInstance instance, const char *pName)
Definition: vulkan_core.h:2859
PFN_vkCreateWaylandSurfaceKHR
VkResult(VKAPI_PTR * PFN_vkCreateWaylandSurfaceKHR)(VkInstance instance, const VkWaylandSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
Definition: vulkan_wayland.h:45
if
set set set set set set set macro pixldst1 abits if abits op else op endif endm macro pixldst2 abits if abits op else op endif endm macro pixldst4 abits if abits op else op endif endm macro pixldst0 abits op endm macro pixldst3 mem_operand op endm macro pixldst30 mem_operand op endm macro pixldst abits if abits elseif abits elseif abits elseif abits elseif abits pixldst0 abits else pixldst0 abits pixldst0 abits pixldst0 abits pixldst0 abits endif elseif abits else pixldst0 abits pixldst0 abits endif elseif abits else error unsupported bpp *numpix else pixst endif endm macro pixld1_s mem_operand if asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl elseif asr adds SRC_WIDTH_FIXED bpl add asl mov asr adds SRC_WIDTH_FIXED bpl add asl else error unsupported endif endm macro pixld2_s mem_operand if mov asr add asl add asl mov asr sub UNIT_X add asl mov asr add asl add asl mov asr add UNIT_X add asl else pixld1_s mem_operand pixld1_s mem_operand endif endm macro pixld0_s mem_operand if asr adds SRC_WIDTH_FIXED bpl add asl elseif asr adds SRC_WIDTH_FIXED bpl add asl endif endm macro pixld_s_internal mem_operand if mem_operand pixld2_s mem_operand pixdeinterleave basereg elseif mem_operand elseif mem_operand elseif mem_operand elseif mem_operand pixld0_s mem_operand else pixld0_s mem_operand pixld0_s mem_operand pixld0_s mem_operand pixld0_s mem_operand endif elseif mem_operand else pixld0_s mem_operand pixld0_s mem_operand endif elseif mem_operand else error unsupported mem_operand if bpp mem_operand endif endm macro vuzp8 reg2 vuzp d d &reg2 endm macro vzip8 reg2 vzip d d &reg2 endm macro pixdeinterleave basereg basereg basereg basereg basereg endif endm macro pixinterleave basereg basereg basereg basereg basereg endif endm macro PF boost_increment endif if endif PF tst PF addne PF subne PF cmp ORIG_W if endif if endif if endif PF subge ORIG_W PF subges if endif if endif if endif endif endm macro cache_preload_simple endif if dst_r_bpp pld[DST_R, #(PREFETCH_DISTANCE_SIMPLE *dst_r_bpp/8)] endif if mask_bpp pld if[MASK, #(PREFETCH_DISTANCE_SIMPLE *mask_bpp/8)] endif endif endm macro fetch_mask_pixblock pixld mask_basereg pixblock_size MASK endm macro ensure_destination_ptr_alignment process_pixblock_tail_head if beq irp skip1(dst_w_bpp<=(lowbit *8)) &&((lowbit *8)<(pixblock_size *dst_w_bpp)) .if lowbit< 16 tst DST_R
Definition: pixman-arm-neon-asm.h:469
NULL
#define NULL
Definition: begin_code.h:167
surface
EGLSurface surface
Definition: eglext.h:248
SDL_WindowData
Definition: SDL_androidwindow.h:38
count
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
SDL_VideoDevice::vulkan_config
struct SDL_VideoDevice::@256 vulkan_config
vkGetInstanceProcAddr
VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *pName)
SDL_UnloadObject
#define SDL_UnloadObject
Definition: SDL_dynapi_overrides.h:234
path
GLsizei const GLchar *const * path
Definition: SDL_opengl_glext.h:3733
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1949
result
GLuint64EXT * result
Definition: SDL_opengl_glext.h:9435
SDL_LoadObject
#define SDL_LoadObject
Definition: SDL_dynapi_overrides.h:232
SDL_WindowData::waylandData
SDL_VideoData * waylandData
Definition: SDL_waylandwindow.h:55
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:74
VkWaylandSurfaceCreateInfoKHR::pNext
const void * pNext
Definition: vulkan_wayland.h:38
vkCreateWaylandSurfaceKHR
VKAPI_ATTR VkResult VKAPI_CALL vkCreateWaylandSurfaceKHR(VkInstance instance, const VkWaylandSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
VK_KHR_SURFACE_EXTENSION_NAME
#define VK_KHR_SURFACE_EXTENSION_NAME
Definition: vulkan_core.h:4669
VK_SUCCESS
@ VK_SUCCESS
Definition: vulkan_core.h:121
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
VK_NULL_HANDLE
#define VK_NULL_HANDLE
Definition: vulkan_core.h:49
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
SDL_WindowData::surface
SDL_Surface * surface
Definition: SDL_emscriptenvideo.h:41
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
VkResult
VkResult
Definition: vulkan_core.h:120
PFN_vkEnumerateInstanceExtensionProperties
VkResult(VKAPI_PTR * PFN_vkEnumerateInstanceExtensionProperties)(const char *pLayerName, uint32_t *pPropertyCount, VkExtensionProperties *pProperties)
Definition: vulkan_core.h:2863
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_VideoDevice::loader_handle
void * loader_handle
Definition: SDL_sysvideo.h:384
SDL_waylandwindow.h
SDL_VideoDevice::loader_path
char loader_path[256]
Definition: SDL_sysvideo.h:383
SDL_assert.h
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
names
GLuint GLuint * names
Definition: SDL_opengl_glext.h:4959
SDL_VideoDevice::vkEnumerateInstanceExtensionProperties
PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties
Definition: SDL_sysvideo.h:381
VkWaylandSurfaceCreateInfoKHR::surface
struct wl_surface * surface
Definition: vulkan_wayland.h:41
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
SDL_VideoData::display
struct wl_display * display
Definition: SDL_waylandvideo.h:50
SDL_waylandvulkan.h
SDL_getenv
#define SDL_getenv
Definition: SDL_dynapi_overrides.h:378
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
SDL_LoadFunction
void * SDL_LoadFunction(void *handle, const char *name)
VkWaylandSurfaceCreateInfoKHR::sType
VkStructureType sType
Definition: vulkan_wayland.h:37
VkExtensionProperties
Definition: vulkan_core.h:2047
SDL_strcmp
#define SDL_strcmp
Definition: SDL_dynapi_overrides.h:417
VkWaylandSurfaceCreateInfoKHR::flags
VkWaylandSurfaceCreateFlagsKHR flags
Definition: vulkan_wayland.h:39
SDL_loadso.h
VkWaylandSurfaceCreateInfoKHR::display
struct wl_display * display
Definition: vulkan_wayland.h:40
i
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
VkWaylandSurfaceCreateInfoKHR
Definition: vulkan_wayland.h:36
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
SDL_syswm.h
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:734
VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR
@ VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR
Definition: vulkan_core.h:287