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[feat] use SDL_WaitEventTimeout to refresh frames and reduce CPU usage

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dijunkun
2025-09-02 16:45:04 +08:00
parent 6e7e2697b5
commit b6fe0da581
3 changed files with 157 additions and 154 deletions
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5
src/single_window/render.h
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@@ -138,7 +138,7 @@ class Render {
void CleanSubStreamWindowProperties(
std::shared_ptr<SubStreamWindowProperties> props);
void UpdateRenderRect();
void ProcessSdlEvent();
void ProcessSdlEvent(const SDL_Event &event);
private:
int CreateStreamRenderWindow();
@@ -213,7 +213,7 @@ class Render {
private:
int SendKeyCommand(int key_code, bool is_down);
int ProcessMouseEvent(SDL_Event &event);
int ProcessMouseEvent(const SDL_Event &event);
static void SdlCaptureAudioIn(void *userdata, Uint8 *stream, int len);
static void SdlCaptureAudioOut(void *userdata, Uint8 *stream, int len);
@@ -290,6 +290,7 @@ class Render {
SDL_Renderer *main_renderer_ = nullptr;
ImGuiContext *main_ctx_ = nullptr;
bool exit_ = false;
const int sdl_refresh_ms_ = 16; // ~60 FPS
// main window properties
bool start_mouse_controller_ = false;