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Metrics: inspect individual triangles in drawcall
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parent
5bed7144fe
commit
367c53967f
30
imgui.cpp
30
imgui.cpp
@ -9265,10 +9265,14 @@ void ImGui::ShowMetricsWindow(bool* opened)
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{
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ImGui::SameLine();
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ImGui::TextColored(ImColor(255,100,100), "CURRENTLY APPENDING"); // Can't display stats for active draw list! (we don't have the data double-buffered)
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if (node_opened) ImGui::TreePop();
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return;
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}
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if (!node_opened)
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return;
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ImDrawList* overlay_draw_list = &GImGui->OverlayDrawList; // Render additional visuals into the top-most draw list
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overlay_draw_list->PushClipRectFullScreen();
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int elem_offset = 0;
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for (const ImDrawCmd* pcmd = draw_list->CmdBuffer.begin(); pcmd < draw_list->CmdBuffer.end(); elem_offset += pcmd->ElemCount, pcmd++)
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{
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@ -9277,7 +9281,7 @@ void ImGui::ShowMetricsWindow(bool* opened)
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ImGui::BulletText("Callback %p, user_data %p", pcmd->UserCallback, pcmd->UserCallbackData);
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continue;
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}
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ImGui::BulletText("Draw %-4d %s vtx, tex = %p, clip_rect = (%.0f,%.0f)..(%.0f,%.0f)", pcmd->ElemCount, draw_list->IdxBuffer.Size > 0 ? "indexed" : "non-indexed", pcmd->TextureId, pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z, pcmd->ClipRect.w);
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bool draw_opened = ImGui::TreeNode((void*)(pcmd - draw_list->CmdBuffer.begin()), "Draw %-4d %s vtx, tex = %p, clip_rect = (%.0f,%.0f)..(%.0f,%.0f)", pcmd->ElemCount, draw_list->IdxBuffer.Size > 0 ? "indexed" : "non-indexed", pcmd->TextureId, pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z, pcmd->ClipRect.w);
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if (show_clip_rects && ImGui::IsItemHovered())
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{
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ImRect clip_rect = pcmd->ClipRect;
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@ -9285,12 +9289,28 @@ void ImGui::ShowMetricsWindow(bool* opened)
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ImDrawIdx* idx_buffer = (draw_list->IdxBuffer.Size > 0) ? draw_list->IdxBuffer.Data : NULL;
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for (int i = elem_offset; i < elem_offset + (int)pcmd->ElemCount; i++)
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vtxs_rect.Add(draw_list->VtxBuffer[idx_buffer ? idx_buffer[i] : i].pos);
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GImGui->OverlayDrawList.PushClipRectFullScreen();
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clip_rect.Round(); GImGui->OverlayDrawList.AddRect(clip_rect.Min, clip_rect.Max, ImColor(255,255,0));
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vtxs_rect.Round(); GImGui->OverlayDrawList.AddRect(vtxs_rect.Min, vtxs_rect.Max, ImColor(255,0,255));
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GImGui->OverlayDrawList.PopClipRect();
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clip_rect.Round(); overlay_draw_list->AddRect(clip_rect.Min, clip_rect.Max, ImColor(255,255,0));
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vtxs_rect.Round(); overlay_draw_list->AddRect(vtxs_rect.Min, vtxs_rect.Max, ImColor(255,0,255));
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}
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if (!draw_opened)
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continue;
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for (int i = elem_offset; i+2 < elem_offset + (int)pcmd->ElemCount; i += 3)
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{
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ImVec2 triangles_pos[3];
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char buf[300], *buf_p = buf;
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for (int n = 0; n < 3; n++)
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{
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ImDrawVert& v = draw_list->VtxBuffer[(draw_list->IdxBuffer.Size > 0) ? draw_list->IdxBuffer.Data[i+n] : i+n];
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triangles_pos[n] = v.pos;
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buf_p += sprintf(buf_p, "vtx %04d { pos = (%8.2f,%8.2f), uv = (%.6f,%.6f), col = %08X }\n", i+n, v.pos.x, v.pos.y, v.uv.x, v.uv.y, v.col);
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}
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ImGui::Selectable(buf, false);
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if (ImGui::IsItemHovered())
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overlay_draw_list->AddPolyline(triangles_pos, 3, ImColor(255,255,0), true, 1.0f, false); // Add triangle without AA, more readable for large-thin triangle
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}
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ImGui::TreePop();
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}
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overlay_draw_list->PopClipRect();
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ImGui::TreePop();
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}
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