Viewport: Fixed SDL+OpenGL2 example to work with multi-viewports. (#2175)

This commit is contained in:
omar 2018-11-06 09:51:09 +01:00
parent 5ea08394f5
commit 797f2044cd
2 changed files with 10 additions and 1 deletions

View File

@ -135,6 +135,15 @@ int main(int, char**)
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
//glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound
ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
// Update and Render additional Platform Windows
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
}
SDL_GL_MakeCurrent(window, gl_context);
SDL_GL_SwapWindow(window); SDL_GL_SwapWindow(window);
} }

View File

@ -3247,7 +3247,7 @@ void ImGui::NewFrame()
{ {
if ((g.IO.BackendFlags & ImGuiBackendFlags_PlatformHasViewports) && (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasViewports)) if ((g.IO.BackendFlags & ImGuiBackendFlags_PlatformHasViewports) && (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasViewports))
{ {
IM_ASSERT((g.FrameCount == 0 || g.FrameCount == g.FrameCountPlatformEnded) && "Forgot to call UpdatePlatformWindows() in main loop after EndFrame()?"); IM_ASSERT((g.FrameCount == 0 || g.FrameCount == g.FrameCountPlatformEnded) && "Forgot to call UpdatePlatformWindows() in main loop after EndFrame()? Check examples/ applications for reference.");
IM_ASSERT(g.PlatformIO.Platform_CreateWindow != NULL && "Platform init didn't install handlers?"); IM_ASSERT(g.PlatformIO.Platform_CreateWindow != NULL && "Platform init didn't install handlers?");
IM_ASSERT(g.PlatformIO.Platform_DestroyWindow != NULL && "Platform init didn't install handlers?"); IM_ASSERT(g.PlatformIO.Platform_DestroyWindow != NULL && "Platform init didn't install handlers?");
IM_ASSERT(g.PlatformIO.Platform_GetWindowPos != NULL && "Platform init didn't install handlers?"); IM_ASSERT(g.PlatformIO.Platform_GetWindowPos != NULL && "Platform init didn't install handlers?");