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iOS MoltenVK code style cleanup.
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slime73 committed Sep 21, 2017
1 parent 80f9e2f commit e5cfb58
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Showing 2 changed files with 41 additions and 40 deletions.
2 changes: 1 addition & 1 deletion src/video/uikit/SDL_uikitmetalview.m
Expand Up @@ -86,7 +86,7 @@ - (void)updateDrawableSize
SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata;
SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view;
CGFloat scale = 1.0;

if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
/* Set the scale to the natural scale factor of the screen - the
* backing dimensions of the Metal view will match the pixel
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79 changes: 40 additions & 39 deletions src/video/uikit/SDL_uikitvulkan.m
Expand Up @@ -52,46 +52,45 @@ int UIKit_Vulkan_LoadLibrary(_THIS, const char *path)
SDL_bool hasIOSSurfaceExtension = SDL_FALSE;
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = NULL;

if(_this->vulkan_config.loader_handle)
if (_this->vulkan_config.loader_handle) {
return SDL_SetError("MoltenVK/Vulkan already loaded");
}

/* Load the Vulkan loader library */
if(!path)
if (!path) {
path = SDL_getenv("SDL_VULKAN_LIBRARY");
if(!path)
{
}

if (!path) {
/* MoltenVK framework, currently, v0.17.0, has a static library and is
* the recommended way to use the package. There is likely no object to
* load. */
vkGetInstanceProcAddr =
(PFN_vkGetInstanceProcAddr)dlsym(DEFAULT_HANDLE,
"vkGetInstanceProcAddr");
}

if(vkGetInstanceProcAddr)
{

if (vkGetInstanceProcAddr) {
_this->vulkan_config.loader_handle = DEFAULT_HANDLE;
}
else
{
if (!path)
{
} else {
if (!path) {
/* Look for the .dylib packaged with the application instead. */
path = DEFAULT_MOLTENVK;
}

_this->vulkan_config.loader_handle = SDL_LoadObject(path);
if(!_this->vulkan_config.loader_handle)
if (!_this->vulkan_config.loader_handle) {
return -1;
}
SDL_strlcpy(_this->vulkan_config.loader_path, path,
SDL_arraysize(_this->vulkan_config.loader_path));
vkGetInstanceProcAddr =
(PFN_vkGetInstanceProcAddr)SDL_LoadFunction(
_this->vulkan_config.loader_handle,
"vkGetInstanceProcAddr");
}
if(!vkGetInstanceProcAddr)
{

if (!vkGetInstanceProcAddr) {
SDL_SetError("Failed to find %s in either executable or %s: %s",
"vkGetInstanceProcAddr",
DEFAULT_MOLTENVK,
Expand All @@ -103,33 +102,36 @@ int UIKit_Vulkan_LoadLibrary(_THIS, const char *path)
_this->vulkan_config.vkEnumerateInstanceExtensionProperties =
(void *)((PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr)(
VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
if(!_this->vulkan_config.vkEnumerateInstanceExtensionProperties)
{

if (!_this->vulkan_config.vkEnumerateInstanceExtensionProperties) {
SDL_SetError("No vkEnumerateInstanceExtensionProperties found.");
goto fail;
}

extensions = SDL_Vulkan_CreateInstanceExtensionsList(
(PFN_vkEnumerateInstanceExtensionProperties)
_this->vulkan_config.vkEnumerateInstanceExtensionProperties,
&extensionCount);
if(!extensions)

if (!extensions) {
goto fail;
for(Uint32 i = 0; i < extensionCount; i++)
{
if(SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
}

for (Uint32 i = 0; i < extensionCount; i++) {
if (SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) {
hasSurfaceExtension = SDL_TRUE;
else if(SDL_strcmp(VK_MVK_IOS_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
} else if (SDL_strcmp(VK_MVK_IOS_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) {
hasIOSSurfaceExtension = SDL_TRUE;
}
}

SDL_free(extensions);
if(!hasSurfaceExtension)
{

if (!hasSurfaceExtension) {
SDL_SetError("Installed MoltenVK/Vulkan doesn't implement the "
VK_KHR_SURFACE_EXTENSION_NAME " extension");
goto fail;
}
else if(!hasIOSSurfaceExtension)
{
} else if (!hasIOSSurfaceExtension) {
SDL_SetError("Installed MoltenVK/Vulkan doesn't implement the "
VK_MVK_IOS_SURFACE_EXTENSION_NAME "extension");
goto fail;
Expand All @@ -144,10 +146,10 @@ int UIKit_Vulkan_LoadLibrary(_THIS, const char *path)

void UIKit_Vulkan_UnloadLibrary(_THIS)
{
if(_this->vulkan_config.loader_handle)
{
if (_this->vulkan_config.loader_handle != DEFAULT_HANDLE)
if (_this->vulkan_config.loader_handle) {
if (_this->vulkan_config.loader_handle != DEFAULT_HANDLE) {
SDL_UnloadObject(_this->vulkan_config.loader_handle);
}
_this->vulkan_config.loader_handle = NULL;
}
}
Expand All @@ -160,11 +162,11 @@ SDL_bool UIKit_Vulkan_GetInstanceExtensions(_THIS,
static const char *const extensionsForUIKit[] = {
VK_KHR_SURFACE_EXTENSION_NAME, VK_MVK_IOS_SURFACE_EXTENSION_NAME
};
if(!_this->vulkan_config.loader_handle)
{
if (!_this->vulkan_config.loader_handle) {
SDL_SetError("Vulkan is not loaded");
return SDL_FALSE;
}

return SDL_Vulkan_GetInstanceExtensions_Helper(
count, names, SDL_arraysize(extensionsForUIKit),
extensionsForUIKit);
Expand All @@ -184,30 +186,29 @@ SDL_bool UIKit_Vulkan_CreateSurface(_THIS,
VkIOSSurfaceCreateInfoMVK createInfo = {};
VkResult result;

if(!_this->vulkan_config.loader_handle)
{
if (!_this->vulkan_config.loader_handle) {
SDL_SetError("Vulkan is not loaded");
return SDL_FALSE;
}

if(!vkCreateIOSSurfaceMVK)
{
if (!vkCreateIOSSurfaceMVK) {
SDL_SetError(VK_MVK_IOS_SURFACE_EXTENSION_NAME
" extension is not enabled in the Vulkan instance.");
return SDL_FALSE;
}

createInfo.sType = VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.pView = (__bridge void *)UIKit_Mtl_AddMetalView(window);
result = vkCreateIOSSurfaceMVK(instance, &createInfo,
NULL, surface);
if(result != VK_SUCCESS)
{
if (result != VK_SUCCESS) {
SDL_SetError("vkCreateIOSSurfaceMVK failed: %s",
SDL_Vulkan_GetResultString(result));
return SDL_FALSE;
}

return SDL_TRUE;
}

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