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Fix framerate throttling in Emscripten builds
Default com_maxfps to 0 under Emscripten. Under Emscripten the browser handles throttling the frame rate. Manual framerate throttling interacts poorly with Emscripten's browser-driven event loop.
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2 changed files with 14 additions and 0 deletions
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@ -2741,7 +2741,14 @@ void Com_Init( char *commandLine ) {
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// init commands and vars
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//
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com_altivec = Cvar_Get ("com_altivec", "1", CVAR_ARCHIVE);
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#ifdef __EMSCRIPTEN__
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// Under Emscripten the browser handles throttling the frame rate.
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// Manual framerate throttling interacts poorly with Emscripten's
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// browser-driven event loop. So default throttling to off.
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com_maxfps = Cvar_Get ("com_maxfps", "0", CVAR_ARCHIVE);
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#else
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com_maxfps = Cvar_Get ("com_maxfps", "85", CVAR_ARCHIVE);
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#endif
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com_blood = Cvar_Get ("com_blood", "1", CVAR_ARCHIVE);
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com_logfile = Cvar_Get ("logfile", "0", CVAR_TEMP );
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@ -1365,8 +1365,15 @@ void R_Register( void )
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r_dlightBacks = ri.Cvar_Get( "r_dlightBacks", "1", CVAR_ARCHIVE );
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r_finish = ri.Cvar_Get ("r_finish", "0", CVAR_ARCHIVE);
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r_textureMode = ri.Cvar_Get( "r_textureMode", "GL_LINEAR_MIPMAP_LINEAR", CVAR_ARCHIVE );
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#ifdef __EMSCRIPTEN__
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// Under Emscripten we don't throttle framerate with com_maxfps by default, so enable
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// vsync by default instead.
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r_swapInterval = ri.Cvar_Get( "r_swapInterval", "1",
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CVAR_ARCHIVE | CVAR_LATCH );
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#else
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r_swapInterval = ri.Cvar_Get( "r_swapInterval", "0",
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CVAR_ARCHIVE | CVAR_LATCH );
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#endif
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r_gamma = ri.Cvar_Get( "r_gamma", "1", CVAR_ARCHIVE );
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r_facePlaneCull = ri.Cvar_Get ("r_facePlaneCull", "1", CVAR_ARCHIVE );
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