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115 lines
4.9 KiB
Markdown
115 lines
4.9 KiB
Markdown
Using SDL with Microsoft Visual C++
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===================================
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### by Lion Kimbro with additions by James Turk
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You can either use the precompiled libraries from the [SDL](https://www.libsdl.org/download.php) web site, or you can build SDL
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yourself.
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### Building SDL
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0. To build SDL, your machine must, at a minimum, have the DirectX9.0c SDK installed. It may or may not be retrievable from
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the [Microsoft](https://www.microsoft.com) website, so you might need to locate it [online](https://duckduckgo.com/?q=directx9.0c+sdk+download&t=h_&ia=web).
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_Editor's note: I've been able to successfully build SDL using Visual Studio 2019 **without** the DX9.0c SDK_
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1. Open the Visual Studio solution file at `./VisualC/SDL.sln`.
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2. Your IDE will likely prompt you to upgrade this solution file to whatever later version of the IDE you're using. In the `Retarget Projects` dialog,
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all of the affected project files should be checked allowing you to use the latest `Windows SDK Version` you have installed, along with
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the `Platform Toolset`.
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If you choose *NOT* to upgrade to use the latest `Windows SDK Version` or `Platform Toolset`, then you'll need the `Visual Studio 2010 Platform Toolset`.
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3. Build the `.dll` and `.lib` files by right clicking on each project in turn (Projects are listed in the _Workspace_
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panel in the _FileView_ tab), and selecting `Build`.
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You may get a few warnings, but you should not get any errors.
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Later, we will refer to the following `.lib` and `.dll` files that have just been generated:
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- `./VisualC/Win32/Debug/SDL2.dll` or `./VisualC/Win32/Release/SDL2.dll`
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- `./VisualC/Win32/Debug/SDL2.lib` or `./VisualC/Win32/Release/SDL2.lib`
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- `./VisualC/Win32/Debug/SDL2main.lib` or `./VisualC/Win32/Release/SDL2main.lib`
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_Note for the `x64` versions, just replace `Win32` in the path with `x64`_
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### Creating a Project with SDL
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- Create a project as a `Win32 Application`.
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- Create a C++ file for your project.
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- Set the C runtime to `Multi-threaded DLL` in the menu:
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`Project|Settings|C/C++ tab|Code Generation|Runtime Library `.
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- Add the SDL `include` directory to your list of includes in the menu:
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`Project|Settings|C/C++ tab|Preprocessor|Additional include directories `
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*VC7 Specific: Instead of doing this, I find it easier to add the
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include and library directories to the list that VC7 keeps. Do this by
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selecting Tools|Options|Projects|VC++ Directories and under the "Show
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Directories For:" dropbox select "Include Files", and click the "New
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Directory Icon" and add the [SDLROOT]\\include directory (e.g. If you
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installed to c:\\SDL\\ add c:\\SDL\\include). Proceed to change the
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dropbox selection to "Library Files" and add [SDLROOT]\\lib.*
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The "include directory" I am referring to is the `./include` folder.
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Now we're going to use the files that we had created earlier in the *Build SDL* step.
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Copy the following file into your Project directory:
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- `SDL2.dll`
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Add the following files to your project (It is not necessary to copy them to your project directory):
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- `SDL2.lib`
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- `SDL2main.lib`
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To add them to your project, right click on your project, and select
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`Add files to project`.
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**Instead of adding the files to your project, it is more desirable to add them to the linker options: Project|Properties|Linker|Command Line
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and type the names of the libraries to link with in the "Additional Options:" box. Note: This must be done for each build configuration
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(e.g. Release,Debug).**
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### Hello SDL2
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Here's a sample SDL snippet to verify everything is setup in your IDE:
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```
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#include "SDL.h"
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int main( int argc, char* argv[] )
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{
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const int WIDTH = 640;
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const int HEIGHT = 480;
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SDL_Window* window = NULL;
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SDL_Renderer* renderer = NULL;
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SDL_Init(SDL_INIT_VIDEO);
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window = SDL_CreateWindow("SDL2 Test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, SDL_WINDOW_SHOWN);
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renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 0;
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}
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```
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### That's it!
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I hope that this document has helped you get through the most difficult part of using the SDL: installing it.
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Suggestions for improvements should be posted to the [Github Issues](https://github.com/libsdl-org/SDL/issues).
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### Credits
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Thanks to [Paulus Esterhazy](mailto:pesterhazy@gmx.net), for the work on VC++ port.
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This document was originally called "VisualC.txt", and was written by [Sam Lantinga](mailto:slouken@libsdl.org).
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Later, it was converted to HTML and expanded into the document that you see today by [Lion Kimbro](mailto:snowlion@sprynet.com).
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Minor Fixes and Visual C++ 7 Information (In Green) was added by [James Turk](mailto:james@conceptofzero.net)
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