Examples: SDL2 (all), SDL3 (all), Win32+OpenGL3: Rework examples main loop to handle minimization without burning CPU or GPU by running unthrottled code. (#7844)

This commit is contained in:
ocornut 2024-07-31 16:55:17 +02:00
parent dcf54782d4
commit 887478793b
9 changed files with 44 additions and 0 deletions

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@ -43,6 +43,10 @@ Breaking changes:
Other changes:
- Examples: SDL2 (all), SDL3 (all), Win32+OpenGL3: rework examples main loop to handle
minimization without burning CPU or GPU by running unthrottled code. (#7844)
-----------------------------------------------------------------------
VERSION 1.91.0 (Released 2024-07-30)

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@ -126,6 +126,11 @@ int main(int, char**)
CreateRenderTarget();
}
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplDX11_NewFrame();

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@ -105,6 +105,11 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL2_NewFrame();

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@ -140,6 +140,11 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();

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@ -107,6 +107,11 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplSDLRenderer2_NewFrame();

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@ -492,6 +492,11 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Resize swap chain?
int fb_width, fb_height;

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@ -136,6 +136,11 @@ int main(int, char**)
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();

View File

@ -111,6 +111,11 @@ int main(int, char**)
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplSDLRenderer3_NewFrame();

View File

@ -108,6 +108,11 @@ int main(int, char**)
}
if (done)
break;
if (::IsIconic(hwnd))
{
::Sleep(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();