gpu_buffer_layout.cc 2.5 KB

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  1. // Copyright 2019 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "media/gpu/chromeos/gpu_buffer_layout.h"
  5. #include <sstream>
  6. #include "media/gpu/macros.h"
  7. namespace media {
  8. namespace {
  9. template <class T>
  10. std::string VectorToString(const std::vector<T>& vec) {
  11. std::ostringstream result;
  12. std::string delim;
  13. result << "[";
  14. for (auto& v : vec) {
  15. result << delim << v;
  16. if (delim.size() == 0)
  17. delim = ", ";
  18. }
  19. result << "]";
  20. return result.str();
  21. }
  22. } // namespace
  23. // static
  24. absl::optional<GpuBufferLayout> GpuBufferLayout::Create(
  25. const Fourcc& fourcc,
  26. const gfx::Size& size,
  27. const std::vector<ColorPlaneLayout>& planes,
  28. uint64_t modifier) {
  29. // TODO(akahuang): Check planes.size() is equal to the expected value
  30. // according to |fourcc|.
  31. if (size.IsEmpty() || planes.size() == 0) {
  32. VLOGF(1) << "Invalid parameters. fourcc: " << fourcc.ToString()
  33. << ", size: " << size.ToString()
  34. << ", planes: " << VectorToString(planes)
  35. << ", modifier: " << std::hex << modifier;
  36. return absl::nullopt;
  37. }
  38. return GpuBufferLayout(fourcc, size, planes, modifier);
  39. }
  40. GpuBufferLayout::GpuBufferLayout(const Fourcc& fourcc,
  41. const gfx::Size& size,
  42. const std::vector<ColorPlaneLayout>& planes,
  43. uint64_t modifier)
  44. : fourcc_(fourcc), size_(size), planes_(planes), modifier_(modifier) {}
  45. GpuBufferLayout::~GpuBufferLayout() = default;
  46. GpuBufferLayout::GpuBufferLayout(const GpuBufferLayout&) = default;
  47. GpuBufferLayout::GpuBufferLayout(GpuBufferLayout&&) = default;
  48. GpuBufferLayout& GpuBufferLayout::operator=(const GpuBufferLayout& other) =
  49. default;
  50. bool GpuBufferLayout::operator==(const GpuBufferLayout& rhs) const {
  51. return fourcc_ == rhs.fourcc_ && size_ == rhs.size_ &&
  52. planes_ == rhs.planes_ && modifier_ == rhs.modifier_;
  53. }
  54. bool GpuBufferLayout::operator!=(const GpuBufferLayout& rhs) const {
  55. return !(*this == rhs);
  56. }
  57. std::ostream& operator<<(std::ostream& ostream, const GpuBufferLayout& layout) {
  58. ostream << "GpuBufferLayout(fourcc: " << layout.fourcc().ToString()
  59. << ", size: " << layout.size().ToString()
  60. << ", planes (stride, offset, size): "
  61. << VectorToString(layout.planes()) << ", modifier: " << std::hex
  62. << layout.modifier();
  63. return ostream;
  64. }
  65. } // namespace media