mirror of
https://github.com/ocornut/imgui.git
synced 2024-11-27 16:29:02 +08:00
Tables: sharing splitter and sort buffers between tables, reducing memory footprints. (#3740)
+ GC pass on that data.
This commit is contained in:
ocornut
parent
32c453ae53
commit
4ce6bd8cff
@ -50,6 +50,7 @@ Other Changes:
|
||||
- Nav: Fixed Tabbing initial activation from skipping the first item if it is tabbable through. (#787)
|
||||
- Tables: Expose TableSetColumnEnabled() in public api. (#3935)
|
||||
- Tables: Better preserve widths when columns count changes. (#4046)
|
||||
- Tables: Sharing more memory buffers between tables, reducing general memory footprints. (#3740)
|
||||
- TabBar: Fixed mouse reordering with very fast movements (e.g. crossing multiple tabs in a single
|
||||
frame and then immediately standling still (would only affect automation/bots). [@rokups]
|
||||
- Drags, Sliders, Inputs: Specifying a NULL format to Float functions default them to "%.3f" to be
|
||||
|
||||
@ -4060,6 +4060,9 @@ void ImGui::NewFrame()
|
||||
for (int i = 0; i < g.TablesLastTimeActive.Size; i++)
|
||||
if (g.TablesLastTimeActive[i] >= 0.0f && g.TablesLastTimeActive[i] < memory_compact_start_time)
|
||||
TableGcCompactTransientBuffers(g.Tables.GetByIndex(i));
|
||||
for (int i = 0; i < g.TablesTempDataStack.Size; i++)
|
||||
if (g.TablesTempDataStack[i].LastTimeActive >= 0.0f && g.TablesTempDataStack[i].LastTimeActive < memory_compact_start_time)
|
||||
TableGcCompactTransientBuffers(&g.TablesTempDataStack[i]);
|
||||
if (g.GcCompactAll)
|
||||
GcCompactTransientMiscBuffers();
|
||||
g.GcCompactAll = false;
|
||||
|
||||
@ -2154,9 +2154,7 @@ struct ImGuiTable
|
||||
ImGuiWindow* OuterWindow; // Parent window for the table
|
||||
ImGuiWindow* InnerWindow; // Window holding the table data (== OuterWindow or a child window)
|
||||
ImGuiTextBuffer ColumnsNames; // Contiguous buffer holding columns names
|
||||
ImDrawListSplitter DrawSplitter; // We carry our own ImDrawList splitter to allow recursion (should move to ImGuiTableTempDataB)
|
||||
ImGuiTableColumnSortSpecs SortSpecsSingle;
|
||||
ImVector<ImGuiTableColumnSortSpecs> SortSpecsMulti; // FIXME-OPT: Using a small-vector pattern would be good.
|
||||
ImDrawListSplitter* DrawSplitter; // Shortcut to TempData->DrawSplitter while in table. Isolate draw commands per columns to avoid switching clip rect constantly
|
||||
ImGuiTableSortSpecs SortSpecs; // Public facing sorts specs, this is what we return in TableGetSortSpecs()
|
||||
ImGuiTableColumnIdx SortSpecsCount;
|
||||
ImGuiTableColumnIdx ColumnsEnabledCount; // Number of enabled columns (<= ColumnsCount)
|
||||
@ -2203,13 +2201,19 @@ struct ImGuiTable
|
||||
IMGUI_API ~ImGuiTable() { IM_FREE(RawData); }
|
||||
};
|
||||
|
||||
// Transient data that are only needed between BeginTable() and EndTable(), those buffers are shared.
|
||||
// Accessing those requires chasing an extra pointer so for very frequently used data we leave them in the main table structure.
|
||||
// FIXME-TABLE: more transient data could be stored here: DrawSplitter (!), SortSpecs? incoming RowData?
|
||||
// Transient data that are only needed between BeginTable() and EndTable(), those buffers are shared (1 per level of stacked table).
|
||||
// - Accessing those requires chasing an extra pointer so for very frequently used data we leave them in the main table structure.
|
||||
// - We also leave out of this structure data that tend to be particularly useful for debugging/metrics.
|
||||
// FIXME-TABLE: more transient data could be stored here: DrawSplitter, incoming RowData?
|
||||
struct ImGuiTableTempData
|
||||
{
|
||||
int TableIndex; // Index in g.Tables.Buf[] pool
|
||||
float LastTimeActive; // Last timestamp this structure was used
|
||||
|
||||
ImVec2 UserOuterSize; // outer_size.x passed to BeginTable()
|
||||
ImDrawListSplitter DrawSplitter;
|
||||
ImGuiTableColumnSortSpecs SortSpecsSingle;
|
||||
ImVector<ImGuiTableColumnSortSpecs> SortSpecsMulti; // FIXME-OPT: Using a small-vector pattern would be good.
|
||||
|
||||
ImRect HostBackupWorkRect; // Backup of InnerWindow->WorkRect at the end of BeginTable()
|
||||
ImRect HostBackupParentWorkRect; // Backup of InnerWindow->ParentWorkRect at the end of BeginTable()
|
||||
@ -2485,6 +2489,7 @@ namespace ImGui
|
||||
IMGUI_API void TableSetColumnWidthAutoAll(ImGuiTable* table);
|
||||
IMGUI_API void TableRemove(ImGuiTable* table);
|
||||
IMGUI_API void TableGcCompactTransientBuffers(ImGuiTable* table);
|
||||
IMGUI_API void TableGcCompactTransientBuffers(ImGuiTableTempData* table);
|
||||
IMGUI_API void TableGcCompactSettings();
|
||||
|
||||
// Tables: Settings
|
||||
|
||||
@ -350,6 +350,8 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
|
||||
g.TablesTempDataStack.resize(g.CurrentTableStackIdx + 1, ImGuiTableTempData());
|
||||
ImGuiTableTempData* temp_data = table->TempData = &g.TablesTempDataStack[g.CurrentTableStackIdx];
|
||||
temp_data->TableIndex = table_idx;
|
||||
table->DrawSplitter = &table->TempData->DrawSplitter;
|
||||
table->DrawSplitter->Clear();
|
||||
|
||||
// Fix flags
|
||||
table->IsDefaultSizingPolicy = (flags & ImGuiTableFlags_SizingMask_) == 0;
|
||||
@ -475,6 +477,7 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
|
||||
if (table_idx >= g.TablesLastTimeActive.Size)
|
||||
g.TablesLastTimeActive.resize(table_idx + 1, -1.0f);
|
||||
g.TablesLastTimeActive[table_idx] = (float)g.Time;
|
||||
temp_data->LastTimeActive = (float)g.Time;
|
||||
table->MemoryCompacted = false;
|
||||
|
||||
// Setup memory buffer (clear data if columns count changed)
|
||||
@ -1123,7 +1126,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
|
||||
// Initial state
|
||||
ImGuiWindow* inner_window = table->InnerWindow;
|
||||
if (table->Flags & ImGuiTableFlags_NoClip)
|
||||
table->DrawSplitter.SetCurrentChannel(inner_window->DrawList, TABLE_DRAW_CHANNEL_NOCLIP);
|
||||
table->DrawSplitter->SetCurrentChannel(inner_window->DrawList, TABLE_DRAW_CHANNEL_NOCLIP);
|
||||
else
|
||||
inner_window->DrawList->PushClipRect(inner_window->ClipRect.Min, inner_window->ClipRect.Max, false);
|
||||
}
|
||||
@ -1273,7 +1276,7 @@ void ImGui::EndTable()
|
||||
#endif
|
||||
|
||||
// Flatten channels and merge draw calls
|
||||
ImDrawListSplitter* splitter = &table->DrawSplitter;
|
||||
ImDrawListSplitter* splitter = table->DrawSplitter;
|
||||
splitter->SetCurrentChannel(inner_window->DrawList, 0);
|
||||
if ((table->Flags & ImGuiTableFlags_NoClip) == 0)
|
||||
TableMergeDrawChannels(table);
|
||||
@ -1387,7 +1390,10 @@ void ImGui::EndTable()
|
||||
temp_data = g.CurrentTableStackIdx >= 0 ? &g.TablesTempDataStack[g.CurrentTableStackIdx] : NULL;
|
||||
g.CurrentTable = temp_data ? g.Tables.GetByIndex(temp_data->TableIndex) : NULL;
|
||||
if (g.CurrentTable)
|
||||
{
|
||||
g.CurrentTable->TempData = temp_data;
|
||||
g.CurrentTable->DrawSplitter = &temp_data->DrawSplitter;
|
||||
}
|
||||
outer_window->DC.CurrentTableIdx = g.CurrentTable ? g.Tables.GetIndex(g.CurrentTable) : -1;
|
||||
}
|
||||
|
||||
@ -1760,7 +1766,7 @@ void ImGui::TableEndRow(ImGuiTable* table)
|
||||
// always followed by a change of clipping rectangle we perform the smallest overwrite possible here.
|
||||
if ((table->Flags & ImGuiTableFlags_NoClip) == 0)
|
||||
window->DrawList->_CmdHeader.ClipRect = table->Bg0ClipRectForDrawCmd.ToVec4();
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, TABLE_DRAW_CHANNEL_BG0);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, TABLE_DRAW_CHANNEL_BG0);
|
||||
}
|
||||
|
||||
// Draw row background
|
||||
@ -1832,7 +1838,7 @@ void ImGui::TableEndRow(ImGuiTable* table)
|
||||
|
||||
// Update cliprect ahead of TableBeginCell() so clipper can access to new ClipRect->Min.y
|
||||
SetWindowClipRectBeforeSetChannel(window, table->Columns[0].ClipRect);
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, table->Columns[0].DrawChannelCurrent);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, table->Columns[0].DrawChannelCurrent);
|
||||
}
|
||||
|
||||
if (!(table->RowFlags & ImGuiTableRowFlags_Headers))
|
||||
@ -1947,14 +1953,14 @@ void ImGui::TableBeginCell(ImGuiTable* table, int column_n)
|
||||
if (table->Flags & ImGuiTableFlags_NoClip)
|
||||
{
|
||||
// FIXME: if we end up drawing all borders/bg in EndTable, could remove this and just assert that channel hasn't changed.
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, TABLE_DRAW_CHANNEL_NOCLIP);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, TABLE_DRAW_CHANNEL_NOCLIP);
|
||||
//IM_ASSERT(table->DrawSplitter._Current == TABLE_DRAW_CHANNEL_NOCLIP);
|
||||
}
|
||||
else
|
||||
{
|
||||
// FIXME-TABLE: Could avoid this if draw channel is dummy channel?
|
||||
SetWindowClipRectBeforeSetChannel(window, column->ClipRect);
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
|
||||
}
|
||||
|
||||
// Logging
|
||||
@ -2202,7 +2208,7 @@ void ImGui::TablePushBackgroundChannel()
|
||||
// Optimization: avoid SetCurrentChannel() + PushClipRect()
|
||||
table->HostBackupInnerClipRect = window->ClipRect;
|
||||
SetWindowClipRectBeforeSetChannel(window, table->Bg2ClipRectForDrawCmd);
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, table->Bg2DrawChannelCurrent);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, table->Bg2DrawChannelCurrent);
|
||||
}
|
||||
|
||||
void ImGui::TablePopBackgroundChannel()
|
||||
@ -2214,7 +2220,7 @@ void ImGui::TablePopBackgroundChannel()
|
||||
|
||||
// Optimization: avoid PopClipRect() + SetCurrentChannel()
|
||||
SetWindowClipRectBeforeSetChannel(window, table->HostBackupInnerClipRect);
|
||||
table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
|
||||
table->DrawSplitter->SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
|
||||
}
|
||||
|
||||
// Allocate draw channels. Called by TableUpdateLayout()
|
||||
@ -2240,7 +2246,7 @@ void ImGui::TableSetupDrawChannels(ImGuiTable* table)
|
||||
const int channels_for_bg = 1 + 1 * freeze_row_multiplier;
|
||||
const int channels_for_dummy = (table->ColumnsEnabledCount < table->ColumnsCount || table->VisibleMaskByIndex != table->EnabledMaskByIndex) ? +1 : 0;
|
||||
const int channels_total = channels_for_bg + (channels_for_row * freeze_row_multiplier) + channels_for_dummy;
|
||||
table->DrawSplitter.Split(table->InnerWindow->DrawList, channels_total);
|
||||
table->DrawSplitter->Split(table->InnerWindow->DrawList, channels_total);
|
||||
table->DummyDrawChannel = (ImGuiTableDrawChannelIdx)((channels_for_dummy > 0) ? channels_total - 1 : -1);
|
||||
table->Bg2DrawChannelCurrent = TABLE_DRAW_CHANNEL_BG2_FROZEN;
|
||||
table->Bg2DrawChannelUnfrozen = (ImGuiTableDrawChannelIdx)((table->FreezeRowsCount > 0) ? 2 + channels_for_row : TABLE_DRAW_CHANNEL_BG2_FROZEN);
|
||||
@ -2304,7 +2310,7 @@ void ImGui::TableSetupDrawChannels(ImGuiTable* table)
|
||||
void ImGui::TableMergeDrawChannels(ImGuiTable* table)
|
||||
{
|
||||
ImGuiContext& g = *GImGui;
|
||||
ImDrawListSplitter* splitter = &table->DrawSplitter;
|
||||
ImDrawListSplitter* splitter = table->DrawSplitter;
|
||||
const bool has_freeze_v = (table->FreezeRowsCount > 0);
|
||||
const bool has_freeze_h = (table->FreezeColumnsCount > 0);
|
||||
IM_ASSERT(splitter->_Current == 0);
|
||||
@ -2475,7 +2481,7 @@ void ImGui::TableDrawBorders(ImGuiTable* table)
|
||||
return;
|
||||
|
||||
ImDrawList* inner_drawlist = inner_window->DrawList;
|
||||
table->DrawSplitter.SetCurrentChannel(inner_drawlist, TABLE_DRAW_CHANNEL_BG0);
|
||||
table->DrawSplitter->SetCurrentChannel(inner_drawlist, TABLE_DRAW_CHANNEL_BG0);
|
||||
inner_drawlist->PushClipRect(table->Bg0ClipRectForDrawCmd.Min, table->Bg0ClipRectForDrawCmd.Max, false);
|
||||
|
||||
// Draw inner border and resizing feedback
|
||||
@ -2735,8 +2741,9 @@ void ImGui::TableSortSpecsBuild(ImGuiTable* table)
|
||||
TableSortSpecsSanitize(table);
|
||||
|
||||
// Write output
|
||||
table->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount);
|
||||
ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &table->SortSpecsSingle : table->SortSpecsMulti.Data;
|
||||
ImGuiTableTempData* temp_data = table->TempData;
|
||||
temp_data->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount);
|
||||
ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &temp_data->SortSpecsSingle : temp_data->SortSpecsMulti.Data;
|
||||
if (sort_specs != NULL)
|
||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
||||
{
|
||||
@ -3434,8 +3441,6 @@ void ImGui::TableGcCompactTransientBuffers(ImGuiTable* table)
|
||||
//IMGUI_DEBUG_LOG("TableGcCompactTransientBuffers() id=0x%08X\n", table->ID);
|
||||
ImGuiContext& g = *GImGui;
|
||||
IM_ASSERT(table->MemoryCompacted == false);
|
||||
table->DrawSplitter.ClearFreeMemory();
|
||||
table->SortSpecsMulti.clear();
|
||||
table->SortSpecs.Specs = NULL;
|
||||
table->IsSortSpecsDirty = true;
|
||||
table->ColumnsNames.clear();
|
||||
@ -3445,6 +3450,13 @@ void ImGui::TableGcCompactTransientBuffers(ImGuiTable* table)
|
||||
g.TablesLastTimeActive[g.Tables.GetIndex(table)] = -1.0f;
|
||||
}
|
||||
|
||||
void ImGui::TableGcCompactTransientBuffers(ImGuiTableTempData* temp_data)
|
||||
{
|
||||
temp_data->DrawSplitter.ClearFreeMemory();
|
||||
temp_data->SortSpecsMulti.clear();
|
||||
temp_data->LastTimeActive = -1.0f;
|
||||
}
|
||||
|
||||
// Compact and remove unused settings data (currently only used by TestEngine)
|
||||
void ImGui::TableGcCompactSettings()
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user