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Obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). Use ImGui::GetDrawData() to retrieve the ImDrawData* to display..(#1599)

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Examples: Updated examples.
This commit is contained in:
omar
2018-02-16 19:18:16 +01:00
parent 0cefd40888
commit 63332d152a
30 changed files with 88 additions and 47 deletions
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14
imgui.cpp
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@@ -131,7 +131,6 @@
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize.x = 1920.0f;
io.DisplaySize.y = 1280.0f;
io.RenderDrawListsFn = MyRenderFunction; // Setup a render function, or set to NULL and call GetDrawData() after Render() to access render data.
// TODO: Fill others settings of the io structure later.
// Load texture atlas (there is a default font so you don't need to care about choosing a font yet)
@@ -162,6 +161,7 @@
// Render & swap video buffers
ImGui::Render();
MyImGuiRenderFunction(ImGui::GetDrawData());
SwapBuffers();
}
@@ -250,6 +250,7 @@
Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code.
Also read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2018/02/16 (1.60) - obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). Use ImGui::GetDrawData() to retrieve the ImDrawData* to display.
- 2018/02/07 (1.60) - reorganized context handling to be more explicit,
- YOU NOW NEED TO CALL ImGui::CreateContext() AT THE BEGINNING OF YOUR APP, AND CALL ImGui::DestroyContext() AT THE END.
- removed Shutdown() function, as DestroyContext() serve this purpose.
@@ -882,15 +883,18 @@ ImGuiIO::ImGuiIO()
OptMacOSXBehaviors = false;
#endif
OptCursorBlink = true;
// Settings (User Functions)
RenderDrawListsFn = NULL;
GetClipboardTextFn = GetClipboardTextFn_DefaultImpl; // Platform dependent default implementations
SetClipboardTextFn = SetClipboardTextFn_DefaultImpl;
ClipboardUserData = NULL;
ImeSetInputScreenPosFn = ImeSetInputScreenPosFn_DefaultImpl;
ImeWindowHandle = NULL;
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
RenderDrawListsFn = NULL;
#endif
// Input (NB: we already have memset zero the entire structure)
MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
MousePosPrev = ImVec2(-FLT_MAX, -FLT_MAX);
@@ -2657,7 +2661,7 @@ ImGuiStyle& ImGui::GetStyle()
return GImGui->Style;
}
// Same value as passed to your RenderDrawListsFn() function. valid after Render() and until the next call to NewFrame()
// Same value as passed to the old io.RenderDrawListsFn function. Valid after Render() and until the next call to NewFrame()
ImDrawData* ImGui::GetDrawData()
{
return GImGui->DrawData.Valid ? &GImGui->DrawData : NULL;
@@ -4079,8 +4083,10 @@ void ImGui::Render()
g.IO.MetricsRenderIndices = g.DrawData.TotalIdxCount;
// Render. If user hasn't set a callback then they may retrieve the draw data via GetDrawData()
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
if (g.DrawData.CmdListsCount > 0 && g.IO.RenderDrawListsFn != NULL)
g.IO.RenderDrawListsFn(&g.DrawData);
#endif
}
}