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ImDrawList store pointer to their owner name for easier auditing/debugging. Metrics windows render clip rectangle when hovering.

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docking
ocornut 10 years ago
parent 562aecdaa5
commit d6987d1586
2 changed files with 27 additions and 17 deletions
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41
imgui.cpp
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@ -1308,10 +1308,8 @@ struct ImGuiState
// Render
ImVector<ImDrawList*> RenderDrawLists[3];
float ModalWindowDarkeningRatio;
// Mouse cursor
ImDrawList OverlayDrawList; // Optional software render of mouse cursors, if io.MouseDrawCursor is set + a few debug overlays
ImGuiMouseCursor MouseCursor;
ImDrawList MouseCursorDrawList; // Optional software render of mouse cursors, if io.MouseDrawCursor is set
ImGuiMouseCursorData MouseCursorData[ImGuiMouseCursor_Count_];
// Widget state
@ -1391,6 +1389,7 @@ struct ImGuiState
PrivateClipboard = NULL;
ModalWindowDarkeningRatio = 0.0f;
OverlayDrawList.owner_name = "##Overlay"; // Give it a name for debugging
MouseCursor = ImGuiMouseCursor_Arrow;
LogEnabled = false;
@ -1811,6 +1810,7 @@ ImGuiWindow::ImGuiWindow(const char* name)
DrawList = (ImDrawList*)ImGui::MemAlloc(sizeof(ImDrawList));
new(DrawList) ImDrawList();
DrawList->owner_name = Name;
RootWindow = NULL;
RootNonPopupWindow = NULL;
@ -2101,6 +2101,7 @@ void ImGui::NewFrame()
g.Time += g.IO.DeltaTime;
g.FrameCount += 1;
g.Tooltip[0] = '\0';
g.OverlayDrawList.Clear();
// Update inputs state
if (g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0)
@ -2241,9 +2242,7 @@ void ImGui::NewFrame()
// Pressing TAB activate widget focus
// NB: Don't discard FocusedWindow if it isn't active, so that a window that go on/off programatically won't lose its keyboard focus.
if (g.ActiveId == 0 && g.FocusedWindow != NULL && g.FocusedWindow->Active && IsKeyPressedMap(ImGuiKey_Tab, false))
{
g.FocusedWindow->FocusIdxTabRequestNext = 0;
}
// Mark all windows as not visible
for (size_t i = 0; i != g.Windows.size(); i++)
@ -2295,7 +2294,7 @@ void ImGui::Shutdown()
g.CurrentPopupStack.clear();
for (size_t i = 0; i < IM_ARRAYSIZE(g.RenderDrawLists); i++)
g.RenderDrawLists[i].clear();
g.MouseCursorDrawList.ClearFreeMemory();
g.OverlayDrawList.ClearFreeMemory();
g.ColorEditModeStorage.Clear();
if (g.PrivateClipboard)
{
@ -2490,15 +2489,15 @@ void ImGui::Render()
const ImVec2 pos = g.IO.MousePos - cursor_data.Offset;
const ImVec2 size = cursor_data.Size;
const ImTextureID tex_id = g.IO.Fonts->TexID;
g.MouseCursorDrawList.Clear();
g.MouseCursorDrawList.PushTextureID(tex_id);
g.MouseCursorDrawList.AddImage(tex_id, pos+ImVec2(1,0), pos+ImVec2(1,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0x30000000); // Shadow
g.MouseCursorDrawList.AddImage(tex_id, pos+ImVec2(2,0), pos+ImVec2(2,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0x30000000); // Shadow
g.MouseCursorDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0xFF000000); // Black border
g.MouseCursorDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[0], cursor_data.TexUvMax[0], 0xFFFFFFFF); // White fill
g.MouseCursorDrawList.PopTextureID();
AddDrawListToRenderList(g.RenderDrawLists[0], &g.MouseCursorDrawList);
g.OverlayDrawList.PushTextureID(tex_id);
g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(1,0), pos+ImVec2(1,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0x30000000); // Shadow
g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(2,0), pos+ImVec2(2,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0x30000000); // Shadow
g.OverlayDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], 0xFF000000); // Black border
g.OverlayDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[0], cursor_data.TexUvMax[0], 0xFFFFFFFF); // White fill
g.OverlayDrawList.PopTextureID();
}
if (!g.OverlayDrawList.vtx_buffer.empty())
AddDrawListToRenderList(g.RenderDrawLists[0], &g.OverlayDrawList);
// Render
if (!g.RenderDrawLists[0].empty())
@ -12011,13 +12010,15 @@ void ImGui::ShowMetricsWindow(bool* opened)
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ImGui::Text("%d vertices", ImGui::GetIO().MetricsRenderVertices);
ImGui::Text("%d allocations", ImGui::GetIO().MetricsAllocs);
static bool show_clip_rects = false;
ImGui::Checkbox("Show clipping rectangles when hovering ImDrawList", &show_clip_rects);
ImGui::Separator();
struct Funcs
{
static void NodeDrawList(ImDrawList* draw_list, const char* label)
{
bool node_opened = ImGui::TreeNode(draw_list, "%s: %d vtx, %d cmds", label, draw_list->vtx_buffer.size(), draw_list->commands.size());
bool node_opened = ImGui::TreeNode(draw_list, "%s: '%s' %d vtx, %d cmds", label, draw_list->owner_name ? draw_list->owner_name : "", draw_list->vtx_buffer.size(), draw_list->commands.size());
if (draw_list == ImGui::GetWindowDrawList())
{
ImGui::SameLine();
@ -12029,7 +12030,15 @@ void ImGui::ShowMetricsWindow(bool* opened)
if (pcmd->user_callback)
ImGui::BulletText("Callback %p, user_data %p", pcmd->user_callback, pcmd->user_callback_data);
else
ImGui::BulletText("Draw %d vtx, tex = %p", pcmd->vtx_count, pcmd->texture_id);
{
ImGui::BulletText("Draw %d vtx, tex = %p, clip_rect = (%d,%d)..(%d,%d)", pcmd->vtx_count, pcmd->texture_id, (int)pcmd->clip_rect.x, (int)pcmd->clip_rect.y, (int)pcmd->clip_rect.z, (int)pcmd->clip_rect.w);
if (show_clip_rects && ImGui::IsItemHovered())
{
GImGui->OverlayDrawList.PushClipRectFullScreen();
GImGui->OverlayDrawList.AddRect(ImVec2(pcmd->clip_rect.x, pcmd->clip_rect.y), ImVec2(pcmd->clip_rect.z, pcmd->clip_rect.w), ImColor(255,255,0));
GImGui->OverlayDrawList.PopClipRect();
}
}
ImGui::TreePop();
}

3
imgui.h
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@ -1029,11 +1029,12 @@ struct ImDrawList
ImVector<ImDrawVert> vtx_buffer; // Vertex buffer. Each command consume ImDrawCmd::vtx_count of those
// [Internal to ImGui]
const char* owner_name; // Pointer to owner window's name, if any
ImVector<ImVec4> clip_rect_stack; // [Internal]
ImVector<ImTextureID> texture_id_stack; // [Internal]
ImDrawVert* vtx_write; // [Internal] point within vtx_buffer after each add command (to avoid using the ImVector<> operators too much)
ImDrawList() { Clear(); }
ImDrawList() { owner_name = NULL; Clear(); }
IMGUI_API void Clear();
IMGUI_API void ClearFreeMemory();
IMGUI_API void PushClipRect(const ImVec4& clip_rect); // Scissoring. The values are x1, y1, x2, y2.

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