+#ifndef AUBINATOR_VIEWER_URB_H
+#define AUBINATOR_VIEWER_URB_H
+
+#include "aubinator_viewer.h"
+
+#include "imgui.h"
+
+struct AubinatorViewerUrb {
+
+ float RowHeight;
+
+ AubinatorViewerUrb() {
+ RowHeight = 10.0f;
+ }
+
+ bool _Hovered(const ImVec2& mouse, bool window_hovered,
+ const ImVec2& tl, const ImVec2& br) {
+ return window_hovered &&
+ tl.x <= mouse.x && tl.y <= mouse.y &&
+ br.x > mouse.x && br.y > mouse.y;
+ }
+
+ void DrawAllocation(const char *label,
+ int n_stages,
+ int end_urb_offset,
+ const char *stage_names[],
+ const struct aub_decode_urb_stage_state *stages) {
+ const ImVec2 label_size = ImGui::CalcTextSize("VS entry: ", NULL, true);
+ ImVec2 graph_size(ImGui::CalcItemWidth(), 2 * n_stages * label_size.y);
+
+ ImGui::BeginChild(label, ImVec2(0, graph_size.y), false);
+
+ ImDrawList* draw_list = ImGui::GetWindowDrawList();
+
+ const float row_height = MAX2(RowHeight, label_size.y);
+ const float width = ImGui::GetContentRegionAvailWidth() - label_size.x;
+ const float alloc_delta = width / end_urb_offset;
+ const ImVec2 window_pos = ImGui::GetWindowPos();
+ const ImVec2 mouse_pos = ImGui::GetMousePos();
+ const bool window_hovered = ImGui::IsWindowHovered();
+
+ int const_idx = 0;
+ for (int s = 0; s < n_stages; s++) {
+ const float x = window_pos.x + label_size.x;
+ const float y = window_pos.y + s * row_height;
+
+ ImVec2 alloc_pos(window_pos.x, y);
+ ImVec2 alloc_tl(x + stages[s].start * alloc_delta, y);
+ ImVec2 alloc_br(x + (stages[s].start +
+ stages[s].n_entries * stages[s].size) * alloc_delta,
+ y + row_height);
+ ImVec2 const_tl(x + const_idx * alloc_delta, y);
+ ImVec2 const_br(x + (const_idx + stages[s].const_rd_length) * alloc_delta,
+ y + row_height);
+
+ char label[40];
+ snprintf(label, sizeof(label), "%s: ", stage_names[s]);
+ draw_list->AddText(alloc_pos, ImGui::GetColorU32(ImGuiCol_Text), label);
+
+ float r, g, b;
+ bool hovered;
+
+ /* URB allocation */
+ hovered = _Hovered(mouse_pos, window_hovered, alloc_tl, alloc_br);
+ ImGui::ColorConvertHSVtoRGB((2 * s) * 1.0f / (2 * n_stages),
+ 1.0f, hovered ? 1.0f : 0.8f,
+ r, g, b);
+ draw_list->AddRectFilled(alloc_tl, alloc_br, ImColor(r, g, b));
+ if (hovered) {
+ ImGui::SetTooltip("%s: start=%u end=%u",
+ stage_names[s],
+ stages[s].start,
+ stages[s].start + stages[s].n_entries * stages[s].size);
+ }
+
+ /* Constant URB input */
+ hovered = _Hovered(mouse_pos, window_hovered, const_tl, const_br);
+ ImGui::ColorConvertHSVtoRGB((2 * s + 1) * 1.0f / (2 * n_stages),
+ 1.0f, hovered ? 1.0f : 0.8f,
+ r, g, b);
+ draw_list->AddRectFilled(const_tl, const_br, ImColor(r, g, b));
+ if (hovered) {
+ ImGui::SetTooltip("%s constant: start=%u end=%u",
+ stage_names[s],
+ stages[s].rd_offset,
+ stages[s].rd_offset + stages[s].rd_length);
+ }
+
+ const_idx += stages[s].const_rd_length;
+ }
+
+ ImGui::EndChild();
+ }
+};
+
+#endif /* AUBINATOR_VIEWER_URB_H */