Ktx2TranscodeTargets.h

#pragma once
 
#include <CesiumGltf/Library.h>
 
namespace CesiumGltf {

enum class CESIUMGLTF_API GpuCompressedPixelFormat {
  NONE,
  ETC1_RGB,
  ETC2_RGBA,
  BC1_RGB,
  BC3_RGBA,
  BC4_R,
  BC5_RG,
  BC7_RGBA,
  PVRTC1_4_RGB,
  PVRTC1_4_RGBA,
  ASTC_4x4_RGBA,
  PVRTC2_4_RGB,
  PVRTC2_4_RGBA,
  ETC2_EAC_R11,
  ETC2_EAC_RG11
};

struct CESIUMGLTF_API SupportedGpuCompressedPixelFormats {
  bool ETC1_RGB{};
  bool ETC2_RGBA{};
  bool BC1_RGB{};
  bool BC3_RGBA{};
  bool BC4_R{};
  bool BC5_RG{};
  bool BC7_RGBA{};
  bool PVRTC1_4_RGB{};
  bool PVRTC1_4_RGBA{};
  bool ASTC_4x4_RGBA{};
  bool PVRTC2_4_RGB{};
  bool PVRTC2_4_RGBA{};
  bool ETC2_EAC_R11{};
  bool ETC2_EAC_RG11{};
};

struct CESIUMGLTF_API Ktx2TranscodeTargets {

  GpuCompressedPixelFormat ETC1S_R = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat ETC1S_RG = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat ETC1S_RGB = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat ETC1S_RGBA = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat UASTC_R = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat UASTC_RG = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat UASTC_RGB = GpuCompressedPixelFormat::NONE;

  GpuCompressedPixelFormat UASTC_RGBA = GpuCompressedPixelFormat::NONE;
 
  Ktx2TranscodeTargets() = default;

  Ktx2TranscodeTargets(
      const SupportedGpuCompressedPixelFormats& supportedFormats,
      bool preserveHighQuality);
};
 
} // namespace CesiumGltf