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Add SDL_RenderSetVSync()

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Currently, if an application wants to toggle VSync, they'd have to tear
down the renderer and recreate it. This patch fixes that by letting
applications call SDL_RenderSetVSync().

This is the same as the patch in #3673, except it applies to all
renderers (including PSP, even thought it seems that the VSync flag is
disabled for that renderer). Furthermore, the renderer flags also change
as well, which #3673 didn't do. It is also an API instead of using hint
callbacks (which could be potentially dangerous).

Closes #3673.
This commit is contained in:
Misa 2021-03-07 15:20:45 -08:00 • committed by Sam Lantinga
parent b2504b5da6
commit 4549769d7d
13 changed files with 168 additions and 0 deletions
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9
src/render/psp/SDL_render_psp.c
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@ -921,6 +921,14 @@ PSP_DestroyRenderer(SDL_Renderer * renderer)
SDL_free(renderer);
}
static int
PSP_SetVSync(SDL_Renderer * renderer, const int vsync)
{
PSP_RenderData *data = renderer->driverdata;
data->vsync = vsync;
return 0;
}
SDL_Renderer *
PSP_CreateRenderer(SDL_Window * window, Uint32 flags)
{
@ -962,6 +970,7 @@ PSP_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->RenderPresent = PSP_RenderPresent;
renderer->DestroyTexture = PSP_DestroyTexture;
renderer->DestroyRenderer = PSP_DestroyRenderer;
renderer->SetVSync = PSP_SetVSync;
renderer->info = PSP_RenderDriver.info;
renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
renderer->driverdata = data;