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VID_SetMode: for SDL2, move GL context creation to be after the window is shown.

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This matches the order used in the SDL2 sample applications included with the library.

Seems to fix an issue on Windows 10 with DPI scaling 150%, launching QS 0.90.1 with  "-width 1920 -height 1080 -fullscreen", and you get a horrible black flicker every few frames.
see http://celephais.net/board/view_thread.php?id=60452&start=1587

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1249 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
Eric Wasylishen 2015-09-07 20:36:43 +00:00
parent 0e8f1f393b
commit 5b158a2807
1 changed files with 7 additions and 4 deletions
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11
Quake/gl_vidsdl.c
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@ -588,10 +588,6 @@ static qboolean VID_SetMode (int width, int height, int bpp, qboolean fullscreen
}
if (!draw_context)
Sys_Error ("Couldn't create window");
gl_context = SDL_GL_CreateContext (draw_context);
if (!gl_context)
Sys_Error ("Couldn't create GL context");
}
/* Ensure the window is not fullscreen */
@ -618,6 +614,13 @@ static qboolean VID_SetMode (int width, int height, int bpp, qboolean fullscreen
SDL_ShowWindow (draw_context);
/* Create GL context if needed */
if (!gl_context) {
gl_context = SDL_GL_CreateContext(draw_context);
if (!gl_context)
Sys_Error("Couldn't create GL context");
}
gl_swap_control = true;
if (SDL_GL_SetSwapInterval ((vid_vsync.value) ? 1 : 0) == -1)
gl_swap_control = false;