| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "impeller/entity/contents/solid_fill_utils.h" |
| |
| #include "impeller/geometry/path.h" |
| #include "impeller/renderer/device_buffer.h" |
| #include "impeller/renderer/host_buffer.h" |
| #include "impeller/tessellator/tessellator.h" |
| |
| namespace impeller { |
| |
| VertexBuffer CreateSolidFillVertices(std::shared_ptr<Tessellator> tessellator, |
| const Path& path, |
| HostBuffer& buffer) { |
| VertexBuffer vertex_buffer; |
| auto tesselation_result = tessellator->TessellateBuilder( |
| path.GetFillType(), path.CreatePolyline(), |
| [&vertex_buffer, &buffer](const float* vertices, size_t vertices_count, |
| const uint16_t* indices, size_t indices_count) { |
| vertex_buffer.vertex_buffer = buffer.Emplace( |
| vertices, vertices_count * sizeof(float), alignof(float)); |
| vertex_buffer.index_buffer = buffer.Emplace( |
| indices, indices_count * sizeof(uint16_t), alignof(uint16_t)); |
| vertex_buffer.index_count = indices_count; |
| vertex_buffer.index_type = IndexType::k16bit; |
| return true; |
| }); |
| if (tesselation_result != Tessellator::Result::kSuccess) { |
| return {}; |
| } |
| return vertex_buffer; |
| } |
| |
| } // namespace impeller |
