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https://github.com/thunderbrewhq/thunderbrew
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108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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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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* # CategoryMetal
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*
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* Functions to creating Metal layers and views on SDL windows.
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*
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* This provides some platform-specific glue for Apple platforms. Most macOS
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* and iOS apps can use SDL without these functions, but this API they can be
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* useful for specific OS-level integration tasks.
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*/
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#ifndef SDL_metal_h_
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#define SDL_metal_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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/**
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* A handle to a CAMetalLayer-backed NSView (macOS) or UIView (iOS/tvOS).
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*
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* \since This datatype is available since SDL 3.2.0.
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*/
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typedef void *SDL_MetalView;
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/**
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* \name Metal support functions
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*/
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/* @{ */
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/**
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* Create a CAMetalLayer-backed NSView/UIView and attach it to the specified
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* window.
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*
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* On macOS, this does *not* associate a MTLDevice with the CAMetalLayer on
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* its own. It is up to user code to do that.
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*
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* The returned handle can be casted directly to a NSView or UIView. To access
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* the backing CAMetalLayer, call SDL_Metal_GetLayer().
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*
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* \param window the window.
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* \returns handle NSView or UIView.
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*
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* \since This function is available since SDL 3.2.0.
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*
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* \sa SDL_Metal_DestroyView
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* \sa SDL_Metal_GetLayer
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*/
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extern SDL_DECLSPEC SDL_MetalView SDLCALL SDL_Metal_CreateView(SDL_Window *window);
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/**
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* Destroy an existing SDL_MetalView object.
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*
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* This should be called before SDL_DestroyWindow, if SDL_Metal_CreateView was
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* called after SDL_CreateWindow.
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*
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* \param view the SDL_MetalView object.
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*
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* \since This function is available since SDL 3.2.0.
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*
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* \sa SDL_Metal_CreateView
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*/
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extern SDL_DECLSPEC void SDLCALL SDL_Metal_DestroyView(SDL_MetalView view);
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/**
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* Get a pointer to the backing CAMetalLayer for the given view.
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*
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* \param view the SDL_MetalView object.
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* \returns a pointer.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC void * SDLCALL SDL_Metal_GetLayer(SDL_MetalView view);
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/* @} *//* Metal 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_metal_h_ */
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