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Extracted part of NewFrame() into SetupDrawListSharedData() for documentation purpose. (#7495, #6406)

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Also changed g.Font->ContainerAtlas->Flags to g.IO.Fonts->Flags
This commit is contained in:
ocornut 2024-04-15 11:24:43 +02:00
parent f790d51665
commit 76bc1b825e
1 changed files with 22 additions and 15 deletions
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37
imgui.cpp
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@ -4525,6 +4525,27 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags()
io.WantTextInput = (g.WantTextInputNextFrame != -1) ? (g.WantTextInputNextFrame != 0) : false;
}
// Calling SetupDrawListSharedData() is followed by SetCurrentFont() which sets up the remaining data.
static void SetupDrawListSharedData()
{
ImGuiContext& g = *GImGui;
ImRect virtual_space(FLT_MAX, FLT_MAX, -FLT_MAX, -FLT_MAX);
for (ImGuiViewportP* viewport : g.Viewports)
virtual_space.Add(viewport->GetMainRect());
g.DrawListSharedData.ClipRectFullscreen = virtual_space.ToVec4();
g.DrawListSharedData.CurveTessellationTol = g.Style.CurveTessellationTol;
g.DrawListSharedData.SetCircleTessellationMaxError(g.Style.CircleTessellationMaxError);
g.DrawListSharedData.InitialFlags = ImDrawListFlags_None;
if (g.Style.AntiAliasedLines)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedLines;
if (g.Style.AntiAliasedLinesUseTex && !(g.IO.Fonts->Flags & ImFontAtlasFlags_NoBakedLines))
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedLinesUseTex;
if (g.Style.AntiAliasedFill)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedFill;
if (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AllowVtxOffset;
}
void ImGui::NewFrame()
{
IM_ASSERT(GImGui != NULL && "No current context. Did you call ImGui::CreateContext() and ImGui::SetCurrentContext() ?");
@ -4567,23 +4588,9 @@ void ImGui::NewFrame()
// Setup current font and draw list shared data
g.IO.Fonts->Locked = true;
SetupDrawListSharedData();
SetCurrentFont(GetDefaultFont());
IM_ASSERT(g.Font->IsLoaded());
ImRect virtual_space(FLT_MAX, FLT_MAX, -FLT_MAX, -FLT_MAX);
for (ImGuiViewportP* viewport : g.Viewports)
virtual_space.Add(viewport->GetMainRect());
g.DrawListSharedData.ClipRectFullscreen = virtual_space.ToVec4();
g.DrawListSharedData.CurveTessellationTol = g.Style.CurveTessellationTol;
g.DrawListSharedData.SetCircleTessellationMaxError(g.Style.CircleTessellationMaxError);
g.DrawListSharedData.InitialFlags = ImDrawListFlags_None;
if (g.Style.AntiAliasedLines)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedLines;
if (g.Style.AntiAliasedLinesUseTex && !(g.Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines))
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedLinesUseTex;
if (g.Style.AntiAliasedFill)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedFill;
if (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset)
g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AllowVtxOffset;
// Mark rendering data as invalid to prevent user who may have a handle on it to use it.
for (ImGuiViewportP* viewport : g.Viewports)