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WIP Backends: SDLRenderer3: adding support for multi-viewports. (broken: see 2 FIXMES)

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ocornut
2024-05-15 14:44:58 +02:00
committed by ocornut
parent ff2d6815ef
commit 3b2b53887f
3 changed files with 101 additions and 6 deletions
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15
examples/example_sdl3_sdlrenderer3/main.cpp
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@@ -32,13 +32,17 @@ int main(int, char**)
}
// Create window with SDL_Renderer graphics context
Uint32 window_flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN;
Uint32 window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN;
SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", 1280, 720, window_flags);
if (window == nullptr)
{
printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());
return -1;
}
for (int n = 0; n < SDL_GetNumRenderDrivers(); n++)
printf("- render driver %d: %s\n", n, SDL_GetRenderDriver(n));
SDL_Renderer* renderer = SDL_CreateRenderer(window, nullptr);
SDL_SetRenderVSync(renderer, 1);
if (renderer == nullptr)
@@ -56,6 +60,7 @@ int main(int, char**)
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
// Setup Dear ImGui style
ImGui::StyleColorsDark();
@@ -166,6 +171,14 @@ int main(int, char**)
SDL_SetRenderDrawColorFloat(renderer, clear_color.x, clear_color.y, clear_color.z, clear_color.w);
SDL_RenderClear(renderer);
ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), renderer);
// Update and Render additional Platform Windows
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
}
SDL_RenderPresent(renderer);
}
#ifdef __EMSCRIPTEN__