From 0359f6e94fb540501797de1f320082e4ad96ce9c Mon Sep 17 00:00:00 2001 From: ocornut Date: Tue, 17 Jan 2023 16:04:52 +0100 Subject: [PATCH] Internals: ImDrawList: shallow tweaks to RenderText(). --- imgui_draw.cpp | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/imgui_draw.cpp b/imgui_draw.cpp index 25493df3..657ed702 100644 --- a/imgui_draw.cpp +++ b/imgui_draw.cpp @@ -3611,10 +3611,9 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im const int idx_count_max = (int)(text_end - s) * 6; const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; draw_list->PrimReserve(idx_count_max, vtx_count_max); - - ImDrawVert* vtx_write = draw_list->_VtxWritePtr; - ImDrawIdx* idx_write = draw_list->_IdxWritePtr; - unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; + ImDrawVert* vtx_write = draw_list->_VtxWritePtr; + ImDrawIdx* idx_write = draw_list->_IdxWritePtr; + unsigned int vtx_index = draw_list->_VtxCurrentIdx; const ImU32 col_untinted = col | ~IM_COL32_A_MASK; const char* word_wrap_eol = NULL; @@ -3713,14 +3712,14 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: { - idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); - idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = glyph_col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1; vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = glyph_col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1; vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = glyph_col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2; vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; + idx_write[0] = (ImDrawIdx)(vtx_index); idx_write[1] = (ImDrawIdx)(vtx_index + 1); idx_write[2] = (ImDrawIdx)(vtx_index + 2); + idx_write[3] = (ImDrawIdx)(vtx_index); idx_write[4] = (ImDrawIdx)(vtx_index + 2); idx_write[5] = (ImDrawIdx)(vtx_index + 3); vtx_write += 4; - vtx_current_idx += 4; + vtx_index += 4; idx_write += 6; } } @@ -3734,7 +3733,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); draw_list->_VtxWritePtr = vtx_write; draw_list->_IdxWritePtr = idx_write; - draw_list->_VtxCurrentIdx = vtx_current_idx; + draw_list->_VtxCurrentIdx = vtx_index; } //-----------------------------------------------------------------------------