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Nav, Docking: Fix crash on dimming docked window and DockSpaceOverViewport() with PassthruCentralNode.

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(amend 1dc3af3, 23ef6c1, 657073a)

# Conflicts:
#	imgui.cpp
This commit is contained in:
ocornut 2021-12-08 17:02:24 +01:00
parent a19815dc6b
commit 270d4d0855
2 changed files with 11 additions and 0 deletions
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6
imgui.cpp
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@ -4456,7 +4456,11 @@ static void ImGui::RenderDimmedBackgroundBehindWindow(ImGuiWindow* window, ImU32
// Draw behind window by moving the draw command at the FRONT of the draw list // Draw behind window by moving the draw command at the FRONT of the draw list
{ {
// We've already called AddWindowToDrawData() which called DrawList->ChannelsMerge() on DockNodeHost windows,
// and draw list have been trimmed already, hence the explicit recreation of a draw command if missing.
ImDrawList* draw_list = window->RootWindow->DrawList; ImDrawList* draw_list = window->RootWindow->DrawList;
if (draw_list->CmdBuffer.Size == 0)
draw_list->AddDrawCmd();
draw_list->PushClipRect(viewport_rect.Min - ImVec2(1, 1), viewport_rect.Max + ImVec2(1, 1), false); // Ensure ImDrawCmd are not merged draw_list->PushClipRect(viewport_rect.Min - ImVec2(1, 1), viewport_rect.Max + ImVec2(1, 1), false); // Ensure ImDrawCmd are not merged
draw_list->AddRectFilled(viewport_rect.Min, viewport_rect.Max, col); draw_list->AddRectFilled(viewport_rect.Min, viewport_rect.Max, col);
ImDrawCmd cmd = draw_list->CmdBuffer.back(); ImDrawCmd cmd = draw_list->CmdBuffer.back();
@ -4512,6 +4516,8 @@ static void ImGui::RenderDimmedBackgrounds()
bb.Expand(distance); bb.Expand(distance);
if (bb.GetWidth() >= viewport->Size.x && bb.GetHeight() >= viewport->Size.y) if (bb.GetWidth() >= viewport->Size.x && bb.GetHeight() >= viewport->Size.y)
bb.Expand(-distance - 1.0f); // If a window fits the entire viewport, adjust its highlight inward bb.Expand(-distance - 1.0f); // If a window fits the entire viewport, adjust its highlight inward
if (window->DrawList->CmdBuffer.Size == 0)
window->DrawList->AddDrawCmd();
window->DrawList->PushClipRect(viewport->Pos, viewport->Pos + viewport->Size); window->DrawList->PushClipRect(viewport->Pos, viewport->Pos + viewport->Size);
window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), window->WindowRounding, 0, 3.0f); window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), window->WindowRounding, 0, 3.0f);
window->DrawList->PopClipRect(); window->DrawList->PopClipRect();

5
imgui_draw.cpp
View File

@ -473,6 +473,7 @@ void ImDrawList::_PopUnusedDrawCmd()
void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
{ {
IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
IM_ASSERT(curr_cmd->UserCallback == NULL); IM_ASSERT(curr_cmd->UserCallback == NULL);
if (curr_cmd->ElemCount != 0) if (curr_cmd->ElemCount != 0)
@ -494,6 +495,7 @@ void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
// Try to merge two last draw commands // Try to merge two last draw commands
void ImDrawList::_TryMergeDrawCmds() void ImDrawList::_TryMergeDrawCmds()
{ {
IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
ImDrawCmd* prev_cmd = curr_cmd - 1; ImDrawCmd* prev_cmd = curr_cmd - 1;
if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL) if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL)
@ -508,6 +510,7 @@ void ImDrawList::_TryMergeDrawCmds()
void ImDrawList::_OnChangedClipRect() void ImDrawList::_OnChangedClipRect()
{ {
// If current command is used with different settings we need to add a new command // If current command is used with different settings we need to add a new command
IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0) if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0)
{ {
@ -530,6 +533,7 @@ void ImDrawList::_OnChangedClipRect()
void ImDrawList::_OnChangedTextureID() void ImDrawList::_OnChangedTextureID()
{ {
// If current command is used with different settings we need to add a new command // If current command is used with different settings we need to add a new command
IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId) if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId)
{ {
@ -553,6 +557,7 @@ void ImDrawList::_OnChangedVtxOffset()
{ {
// We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this. // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this.
_VtxCurrentIdx = 0; _VtxCurrentIdx = 0;
IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
//IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349 //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349
if (curr_cmd->ElemCount != 0) if (curr_cmd->ElemCount != 0)