Commit fe20c35be80d1b20e6d977ddd11c02b0488be439
2019-10-14T16:40:46
Fixed race condition when scaling Touch events, and changing the renderer target. Always read the output size of the main renderer. (similar to bug 2107)
diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index fb770d4..f223d92 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -689,9 +689,13 @@ SDL_RendererEventWatch(void *userdata, SDL_Event *event)
SDL_FPoint scale;
GetWindowViewportValues(renderer, &logical_w, &logical_h, &viewport, &scale);
if (logical_w) {
- int w = 1;
- int h = 1;
- SDL_GetRendererOutputSize(renderer, &w, &h);
+ int w, h;
+
+ if (renderer->GetOutputSize) {
+ renderer->GetOutputSize(renderer, &w, &h);
+ } else {
+ SDL_GetWindowSize(renderer->window, &w, &h);
+ }
event->tfinger.x *= (w - 1);
event->tfinger.y *= (h - 1);