mirror of
https://github.com/thunderbrewhq/thunderbrew
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706c8903a1
* chore(build): add vendored SDL 3.0.0 library * chore(build): add vendored glew-cmake-2.2.0 library * feat(console): in the presence of -opengl launch flag, change GxApi to OpenGl * feat(gx): add uncompleted CGxDeviceGLSDL targeting Windows and Linux * chore(build): change SDL3 linkage from shared (bad) to to static (good)
196 lines
7.4 KiB
C
196 lines
7.4 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 2017, Mark Callow
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_vulkan.h
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*
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* \brief Header file for functions to creating Vulkan surfaces on SDL windows.
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*/
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#ifndef SDL_vulkan_h_
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#define SDL_vulkan_h_
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#include <SDL3/SDL_video.h>
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#include <SDL3/SDL_begin_code.h>
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Avoid including vulkan.h, don't define VkInstance if it's already included */
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#ifdef VULKAN_H_
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#define NO_SDL_VULKAN_TYPEDEFS
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#endif
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#ifndef NO_SDL_VULKAN_TYPEDEFS
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#define VK_DEFINE_HANDLE(object) typedef struct object##_T* object;
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#if defined(__LP64__) || defined(_WIN64) || defined(__x86_64__) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__)
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#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef struct object##_T *object;
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#else
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#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef uint64_t object;
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#endif
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VK_DEFINE_HANDLE(VkInstance)
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VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkSurfaceKHR)
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#endif /* !NO_SDL_VULKAN_TYPEDEFS */
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typedef VkInstance SDL_vulkanInstance;
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typedef VkSurfaceKHR SDL_vulkanSurface; /* for compatibility with Tizen */
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/**
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* \name Vulkan support functions
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*/
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/* @{ */
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/**
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* Dynamically load the Vulkan loader library.
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*
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* This should be called after initializing the video driver, but before
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* creating any Vulkan windows. If no Vulkan loader library is loaded, the
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* default library will be loaded upon creation of the first Vulkan window.
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*
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* It is fairly common for Vulkan applications to link with libvulkan instead
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* of explicitly loading it at run time. This will work with SDL provided the
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* application links to a dynamic library and both it and SDL use the same
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* search path.
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*
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* If you specify a non-NULL `path`, an application should retrieve all of the
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* Vulkan functions it uses from the dynamic library using
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* SDL_Vulkan_GetVkGetInstanceProcAddr unless you can guarantee `path` points
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* to the same vulkan loader library the application linked to.
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*
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* On Apple devices, if `path` is NULL, SDL will attempt to find the
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* `vkGetInstanceProcAddr` address within all the Mach-O images of the current
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* process. This is because it is fairly common for Vulkan applications to
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* link with libvulkan (and historically MoltenVK was provided as a static
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* library). If it is not found, on macOS, SDL will attempt to load
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* `vulkan.framework/vulkan`, `libvulkan.1.dylib`,
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* `MoltenVK.framework/MoltenVK`, and `libMoltenVK.dylib`, in that order. On
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* iOS, SDL will attempt to load `libMoltenVK.dylib`. Applications using a
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* dynamic framework or .dylib must ensure it is included in its application
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* bundle.
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*
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* On non-Apple devices, application linking with a static libvulkan is not
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* supported. Either do not link to the Vulkan loader or link to a dynamic
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* library version.
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*
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* \param path The platform dependent Vulkan loader library name or NULL
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* \returns 0 on success or a negative error code on failure; call
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* SDL_GetError() for more information.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_Vulkan_GetVkInstanceProcAddr
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* \sa SDL_Vulkan_UnloadLibrary
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*/
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extern DECLSPEC int SDLCALL SDL_Vulkan_LoadLibrary(const char *path);
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/**
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* Get the address of the `vkGetInstanceProcAddr` function.
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*
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* This should be called after either calling SDL_Vulkan_LoadLibrary() or
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* creating an SDL_Window with the `SDL_WINDOW_VULKAN` flag.
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*
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* The actual type of the returned function pointer is
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* PFN_vkGetInstanceProcAddr, but that isn't available because the Vulkan
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* headers are not included here. You should cast the return value of this
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* function to that type, e.g.
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*
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* `vkGetInstanceProcAddr =
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* (PFN_vkGetInstanceProcAddr)SDL_Vulkan_GetVkGetInstanceProcAddr();`
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*
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* \returns the function pointer for `vkGetInstanceProcAddr` or NULL on error.
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*
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* \since This function is available since SDL 3.0.0.
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*/
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extern DECLSPEC SDL_FunctionPointer SDLCALL SDL_Vulkan_GetVkGetInstanceProcAddr(void);
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/**
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* Unload the Vulkan library previously loaded by SDL_Vulkan_LoadLibrary()
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_Vulkan_LoadLibrary
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*/
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extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
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/**
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* Get the names of the Vulkan instance extensions needed to create a surface
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* with SDL_Vulkan_CreateSurface.
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*
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* This should be called after either calling SDL_Vulkan_LoadLibrary() or
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* creating an SDL_Window with the `SDL_WINDOW_VULKAN` flag.
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*
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* If `pNames` is NULL, then the number of required Vulkan instance extensions
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* is returned in `pCount`. Otherwise, `pCount` must point to a variable set
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* to the number of elements in the `pNames` array, and on return the variable
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* is overwritten with the number of names actually written to `pNames`. If
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* `pCount` is less than the number of required extensions, at most `pCount`
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* structures will be written. If `pCount` is smaller than the number of
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* required extensions, SDL_FALSE will be returned instead of SDL_TRUE, to
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* indicate that not all the required extensions were returned.
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*
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* \param pCount A pointer to an unsigned int corresponding to the number of
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* extensions to be returned
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* \param pNames NULL or a pointer to an array to be filled with required
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* Vulkan instance extensions
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* \returns SDL_TRUE on success, SDL_FALSE on error.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_Vulkan_CreateSurface
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_GetInstanceExtensions(unsigned int *pCount,
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const char **pNames);
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/**
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* Create a Vulkan rendering surface for a window.
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*
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* The `window` must have been created with the `SDL_WINDOW_VULKAN` flag and
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* `instance` must have been created with extensions returned by
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* SDL_Vulkan_GetInstanceExtensions() enabled.
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*
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* \param window The window to which to attach the Vulkan surface
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* \param instance The Vulkan instance handle
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* \param surface A pointer to a VkSurfaceKHR handle to output the newly
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* created surface
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* \returns SDL_TRUE on success, SDL_FALSE on error.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_Vulkan_GetInstanceExtensions
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_CreateSurface(SDL_Window *window,
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VkInstance instance,
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VkSurfaceKHR* surface);
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/* @} *//* Vulkan support functions */
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include <SDL3/SDL_close_code.h>
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#endif /* SDL_vulkan_h_ */
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