mirror of
https://github.com/MobileGL-Dev/MobileGL
synced 2026-09-08 20:28:32 +09:00
471 lines
19 KiB
C++
471 lines
19 KiB
C++
// MobileGL - MobileGL/MG_Util/Converters/GLToMG/TextureEnumConverter.cpp
|
|
// Copyright (c) 2025-2026 MobileGL-Dev
|
|
// Licensed under the GNU Lesser General Public License v3.0:
|
|
// https://www.gnu.org/licenses/gpl-3.0.txt
|
|
// https://www.gnu.org/licenses/lgpl-3.0.txt
|
|
// SPDX-License-Identifier: LGPL-3.0-only
|
|
// End of Source File Header
|
|
|
|
#include "TextureEnumConverter.h"
|
|
#include "MG_Util/Converters/GLToStr/GLEnumConverter.h"
|
|
|
|
namespace MobileGL {
|
|
namespace MG_Util {
|
|
TextureTarget ConvertGLEnumToTextureTarget(GLenum target) {
|
|
switch (target) {
|
|
case GL_TEXTURE_1D:
|
|
return TextureTarget::Texture1D;
|
|
case GL_TEXTURE_2D:
|
|
return TextureTarget::Texture2D;
|
|
case GL_TEXTURE_3D:
|
|
return TextureTarget::Texture3D;
|
|
case GL_TEXTURE_CUBE_MAP:
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
|
|
return TextureTarget::TextureCubeMap;
|
|
case GL_TEXTURE_2D_ARRAY:
|
|
return TextureTarget::Texture2DArray;
|
|
case GL_TEXTURE_2D_MULTISAMPLE:
|
|
return TextureTarget::Texture2DMultisample;
|
|
case GL_TEXTURE_CUBE_MAP_ARRAY:
|
|
return TextureTarget::TextureCubeMapArray;
|
|
case GL_TEXTURE_BUFFER:
|
|
return TextureTarget::TextureBuffer;
|
|
case GL_TEXTURE_1D_ARRAY:
|
|
return TextureTarget::Texture1DArray;
|
|
case GL_TEXTURE_RECTANGLE:
|
|
return TextureTarget::TextureRectangle;
|
|
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
|
|
return TextureTarget::Texture2DMultisampleArray;
|
|
default:
|
|
return TextureTarget::Unknown;
|
|
}
|
|
}
|
|
|
|
TextureInputFormat ConvertGLEnumToTextureInputFormat(GLenum format) {
|
|
switch (format) {
|
|
case GL_ALPHA:
|
|
case GL_RED:
|
|
return TextureInputFormat::Red;
|
|
case GL_RG:
|
|
return TextureInputFormat::RG;
|
|
case GL_RGB:
|
|
return TextureInputFormat::RGB;
|
|
case GL_BGR:
|
|
return TextureInputFormat::BGR;
|
|
case GL_RGBA:
|
|
return TextureInputFormat::RGBA;
|
|
case GL_BGRA:
|
|
return TextureInputFormat::BGRA;
|
|
case GL_RED_INTEGER:
|
|
return TextureInputFormat::RInteger;
|
|
case GL_RG_INTEGER:
|
|
return TextureInputFormat::RGInteger;
|
|
case GL_RGB_INTEGER:
|
|
return TextureInputFormat::RGBInteger;
|
|
case GL_BGR_INTEGER:
|
|
return TextureInputFormat::BGRInteger;
|
|
case GL_RGBA_INTEGER:
|
|
return TextureInputFormat::RGBAInteger;
|
|
case GL_BGRA_INTEGER:
|
|
return TextureInputFormat::BGRAInteger;
|
|
case GL_STENCIL_INDEX:
|
|
return TextureInputFormat::StencilIndex;
|
|
case GL_DEPTH_COMPONENT:
|
|
return TextureInputFormat::DepthComponent;
|
|
case GL_DEPTH_STENCIL:
|
|
return TextureInputFormat::DepthStencil;
|
|
default:
|
|
return TextureInputFormat::Unknown;
|
|
}
|
|
}
|
|
|
|
TextureInternalFormat ConvertGLEnumToTextureInternalFormat(GLenum internalformat) {
|
|
switch (internalformat) {
|
|
case GL_R8:
|
|
return TextureInternalFormat::R8;
|
|
case GL_R8_SNORM:
|
|
return TextureInternalFormat::R8Snorm;
|
|
case GL_R16:
|
|
return TextureInternalFormat::R16;
|
|
case GL_R16_SNORM:
|
|
return TextureInternalFormat::R16Snorm;
|
|
case GL_RG8:
|
|
return TextureInternalFormat::RG8;
|
|
case GL_RG8_SNORM:
|
|
return TextureInternalFormat::RG8Snorm;
|
|
case GL_RG16:
|
|
return TextureInternalFormat::RG16;
|
|
case GL_RG16_SNORM:
|
|
return TextureInternalFormat::RG16Snorm;
|
|
case GL_R3_G3_B2:
|
|
return TextureInternalFormat::R3G3B2;
|
|
case GL_RGB4:
|
|
return TextureInternalFormat::RGB4;
|
|
case GL_RGB5:
|
|
return TextureInternalFormat::RGB5;
|
|
case GL_RGB8:
|
|
return TextureInternalFormat::RGB8;
|
|
case GL_RGB8_SNORM:
|
|
return TextureInternalFormat::RGB8Snorm;
|
|
case GL_RGB10:
|
|
return TextureInternalFormat::RGB10;
|
|
case GL_RGB12:
|
|
return TextureInternalFormat::RGB12;
|
|
case GL_RGB16:
|
|
return TextureInternalFormat::RGB16;
|
|
case GL_RGB16_SNORM:
|
|
return TextureInternalFormat::RGB16Snorm;
|
|
case GL_RGBA2:
|
|
return TextureInternalFormat::RGBA2;
|
|
case GL_RGBA4:
|
|
return TextureInternalFormat::RGBA4;
|
|
case GL_RGB5_A1:
|
|
return TextureInternalFormat::RGB5A1;
|
|
case GL_RGBA8:
|
|
return TextureInternalFormat::RGBA8;
|
|
case GL_RGBA8_SNORM:
|
|
return TextureInternalFormat::RGBA8Snorm;
|
|
case GL_RGB10_A2:
|
|
return TextureInternalFormat::RGB10A2;
|
|
case GL_RGB10_A2UI:
|
|
return TextureInternalFormat::RGB10A2UI;
|
|
case GL_RGBA12:
|
|
return TextureInternalFormat::RGBA12;
|
|
case GL_RGBA16:
|
|
return TextureInternalFormat::RGBA16;
|
|
case GL_SRGB8:
|
|
return TextureInternalFormat::SRGB8;
|
|
case GL_SRGB8_ALPHA8:
|
|
return TextureInternalFormat::SRGB8Alpha8;
|
|
case GL_R16F:
|
|
return TextureInternalFormat::R16F;
|
|
case GL_RG16F:
|
|
return TextureInternalFormat::RG16F;
|
|
case GL_RGB16F:
|
|
return TextureInternalFormat::RGB16F;
|
|
case GL_RGBA16F:
|
|
return TextureInternalFormat::RGBA16F;
|
|
case GL_R32F:
|
|
return TextureInternalFormat::R32F;
|
|
case GL_RG32F:
|
|
return TextureInternalFormat::RG32F;
|
|
case GL_RGB32F:
|
|
return TextureInternalFormat::RGB32F;
|
|
case GL_RGBA32F:
|
|
return TextureInternalFormat::RGBA32F;
|
|
case GL_R11F_G11F_B10F:
|
|
return TextureInternalFormat::R11FG11FB10F;
|
|
case GL_RGB9_E5:
|
|
return TextureInternalFormat::RGB9E5;
|
|
case GL_R8I:
|
|
return TextureInternalFormat::R8I;
|
|
case GL_R8UI:
|
|
return TextureInternalFormat::R8UI;
|
|
case GL_R16I:
|
|
return TextureInternalFormat::R16I;
|
|
case GL_R16UI:
|
|
return TextureInternalFormat::R16UI;
|
|
case GL_R32I:
|
|
return TextureInternalFormat::R32I;
|
|
case GL_R32UI:
|
|
return TextureInternalFormat::R32UI;
|
|
case GL_RG8I:
|
|
return TextureInternalFormat::RG8I;
|
|
case GL_RG8UI:
|
|
return TextureInternalFormat::RG8UI;
|
|
case GL_RG16I:
|
|
return TextureInternalFormat::RG16I;
|
|
case GL_RG16UI:
|
|
return TextureInternalFormat::RG16UI;
|
|
case GL_RG32I:
|
|
return TextureInternalFormat::RG32I;
|
|
case GL_RG32UI:
|
|
return TextureInternalFormat::RG32UI;
|
|
case GL_RGB8I:
|
|
return TextureInternalFormat::RGB8I;
|
|
case GL_RGB8UI:
|
|
return TextureInternalFormat::RGB8UI;
|
|
case GL_RGB16I:
|
|
return TextureInternalFormat::RGB16I;
|
|
case GL_RGB16UI:
|
|
return TextureInternalFormat::RGB16UI;
|
|
case GL_RGB32I:
|
|
return TextureInternalFormat::RGB32I;
|
|
case GL_RGB32UI:
|
|
return TextureInternalFormat::RGB32UI;
|
|
case GL_RGBA8I:
|
|
return TextureInternalFormat::RGBA8I;
|
|
case GL_RGBA8UI:
|
|
return TextureInternalFormat::RGBA8UI;
|
|
case GL_RGBA16I:
|
|
return TextureInternalFormat::RGBA16I;
|
|
case GL_RGBA16UI:
|
|
return TextureInternalFormat::RGBA16UI;
|
|
case GL_RGBA32I:
|
|
return TextureInternalFormat::RGBA32I;
|
|
case GL_RGBA32UI:
|
|
return TextureInternalFormat::RGBA32UI;
|
|
case GL_DEPTH_COMPONENT16:
|
|
return TextureInternalFormat::DepthComponent16;
|
|
case GL_DEPTH_COMPONENT24:
|
|
return TextureInternalFormat::DepthComponent24;
|
|
case GL_DEPTH_COMPONENT32:
|
|
return TextureInternalFormat::DepthComponent32;
|
|
case GL_DEPTH_COMPONENT32F:
|
|
return TextureInternalFormat::DepthComponent32F;
|
|
case GL_DEPTH24_STENCIL8:
|
|
return TextureInternalFormat::Depth24Stencil8;
|
|
case GL_DEPTH32F_STENCIL8:
|
|
return TextureInternalFormat::Depth32FStencil8;
|
|
case GL_DEPTH_COMPONENT:
|
|
return TextureInternalFormat::DepthComponent;
|
|
case GL_DEPTH_STENCIL:
|
|
return TextureInternalFormat::DepthStencil;
|
|
case GL_ALPHA:
|
|
case GL_RED:
|
|
return TextureInternalFormat::Red;
|
|
case GL_RG:
|
|
return TextureInternalFormat::RG;
|
|
case GL_RGB:
|
|
return TextureInternalFormat::RGB;
|
|
case GL_RGBA:
|
|
return TextureInternalFormat::RGBA;
|
|
default:
|
|
MGLOG_D("%s: unknown internal format %s", __func__,
|
|
MG_Util::ConvertGLEnumToString(internalformat).c_str());
|
|
return TextureInternalFormat::Unknown;
|
|
}
|
|
}
|
|
|
|
TexturePixelDataType ConvertGLEnumToTexturePixelDataType(GLenum type) {
|
|
switch (type) {
|
|
case GL_UNSIGNED_BYTE:
|
|
return TexturePixelDataType::UnsignedByte;
|
|
case GL_BYTE:
|
|
return TexturePixelDataType::Byte;
|
|
case GL_UNSIGNED_SHORT:
|
|
return TexturePixelDataType::UnsignedShort;
|
|
case GL_SHORT:
|
|
return TexturePixelDataType::Short;
|
|
case GL_UNSIGNED_INT:
|
|
return TexturePixelDataType::UnsignedInt;
|
|
case GL_INT:
|
|
return TexturePixelDataType::Int;
|
|
case GL_FLOAT:
|
|
return TexturePixelDataType::Float;
|
|
case GL_HALF_FLOAT:
|
|
return TexturePixelDataType::HalfFloat;
|
|
case GL_UNSIGNED_INT_24_8:
|
|
return TexturePixelDataType::UnsignedInt248;
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
return TexturePixelDataType::UnsignedByte332;
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
return TexturePixelDataType::UnsignedByte233Rev;
|
|
case GL_UNSIGNED_SHORT_5_6_5:
|
|
return TexturePixelDataType::UnsignedShort565;
|
|
case GL_UNSIGNED_SHORT_5_6_5_REV:
|
|
return TexturePixelDataType::UnsignedShort565Rev;
|
|
case GL_UNSIGNED_SHORT_4_4_4_4:
|
|
return TexturePixelDataType::UnsignedShort4444;
|
|
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
|
|
return TexturePixelDataType::UnsignedShort4444Rev;
|
|
case GL_UNSIGNED_SHORT_5_5_5_1:
|
|
return TexturePixelDataType::UnsignedShort5551;
|
|
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
|
|
return TexturePixelDataType::UnsignedShort1555Rev;
|
|
case GL_UNSIGNED_INT_8_8_8_8:
|
|
return TexturePixelDataType::UnsignedInt8888;
|
|
case GL_UNSIGNED_INT_8_8_8_8_REV:
|
|
return TexturePixelDataType::UnsignedInt8888Rev;
|
|
case GL_UNSIGNED_INT_10F_11F_11F_REV:
|
|
return TexturePixelDataType::UnsignedInt101111Rev;
|
|
case GL_UNSIGNED_INT_2_10_10_10_REV:
|
|
return TexturePixelDataType::UnsignedInt2101010Rev;
|
|
case GL_UNSIGNED_INT_5_9_9_9_REV:
|
|
return TexturePixelDataType::UnsignedInt5999Rev;
|
|
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
|
|
return TexturePixelDataType::Float32UnsignedInt248Rev;
|
|
default:
|
|
return TexturePixelDataType::Unknown;
|
|
}
|
|
}
|
|
|
|
TextureUploadTarget ConvertGLEnumToTextureUploadTarget(GLenum target) {
|
|
switch (target) {
|
|
case GL_TEXTURE_1D:
|
|
return TextureUploadTarget::Texture1D;
|
|
case GL_TEXTURE_2D:
|
|
return TextureUploadTarget::Texture2D;
|
|
case GL_TEXTURE_3D:
|
|
return TextureUploadTarget::Texture3D;
|
|
case GL_PROXY_TEXTURE_2D:
|
|
return TextureUploadTarget::ProxyTexture2D;
|
|
case GL_TEXTURE_1D_ARRAY:
|
|
return TextureUploadTarget::Texture1DArray;
|
|
case GL_PROXY_TEXTURE_1D_ARRAY:
|
|
return TextureUploadTarget::ProxyTexture1DArray;
|
|
case GL_TEXTURE_2D_ARRAY:
|
|
return TextureUploadTarget::Texture2DArray;
|
|
case GL_TEXTURE_CUBE_MAP_ARRAY:
|
|
return TextureUploadTarget::CubeMapArray;
|
|
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
|
|
return TextureUploadTarget::ProxyCubeMapArray;
|
|
case GL_PROXY_TEXTURE_2D_ARRAY:
|
|
return TextureUploadTarget::ProxyTexture2DArray;
|
|
case GL_TEXTURE_RECTANGLE:
|
|
return TextureUploadTarget::TextureRectangle;
|
|
case GL_PROXY_TEXTURE_RECTANGLE:
|
|
return TextureUploadTarget::ProxyTextureRectangle;
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
|
|
return TextureUploadTarget::CubeMapPositiveX;
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
|
|
return TextureUploadTarget::CubeMapNegativeX;
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
|
|
return TextureUploadTarget::CubeMapPositiveY;
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
|
|
return TextureUploadTarget::CubeMapNegativeY;
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
|
|
return TextureUploadTarget::CubeMapPositiveZ;
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
|
|
return TextureUploadTarget::CubeMapNegativeZ;
|
|
case GL_TEXTURE_BUFFER:
|
|
return TextureUploadTarget::TextureBuffer;
|
|
case GL_PROXY_TEXTURE_CUBE_MAP:
|
|
return TextureUploadTarget::ProxyCubeMap;
|
|
case GL_TEXTURE_2D_MULTISAMPLE:
|
|
return TextureUploadTarget::Texture2DMultisample;
|
|
case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
|
|
return TextureUploadTarget::ProxyTexture2DMultisample;
|
|
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
|
|
return TextureUploadTarget::Texture2DMultisampleArray;
|
|
case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
|
|
return TextureUploadTarget::ProxyTexture2DMultisampleArray;
|
|
default:
|
|
return TextureUploadTarget::Unknown;
|
|
}
|
|
}
|
|
|
|
SamplerFilterMode ConvertGLEnumToSamplerFilterMode(GLenum v) {
|
|
switch (v) {
|
|
case GL_NEAREST:
|
|
case GL_NEAREST_MIPMAP_NEAREST:
|
|
case GL_NEAREST_MIPMAP_LINEAR:
|
|
return SamplerFilterMode::Nearest;
|
|
case GL_LINEAR:
|
|
case GL_LINEAR_MIPMAP_NEAREST:
|
|
case GL_LINEAR_MIPMAP_LINEAR:
|
|
return SamplerFilterMode::Linear;
|
|
default:
|
|
MGLOG_D("Unknown SamplerFilterMode %s", MG_Util::ConvertGLEnumToString(v).c_str());
|
|
return SamplerFilterMode::Unknown;
|
|
}
|
|
}
|
|
|
|
SamplerMipmapMode ConvertGLEnumToSamplerMipmapMode(GLenum v) {
|
|
switch (v) {
|
|
case GL_NEAREST:
|
|
case GL_LINEAR:
|
|
return SamplerMipmapMode::None; // 无 mipmap 时
|
|
case GL_NEAREST_MIPMAP_NEAREST:
|
|
case GL_LINEAR_MIPMAP_NEAREST:
|
|
return SamplerMipmapMode::Nearest;
|
|
case GL_NEAREST_MIPMAP_LINEAR:
|
|
case GL_LINEAR_MIPMAP_LINEAR:
|
|
return SamplerMipmapMode::Linear;
|
|
default:
|
|
return SamplerMipmapMode::Unknown;
|
|
}
|
|
}
|
|
|
|
SamplerWrapMode ConvertGLEnumToSamplerWrapMode(GLenum v) {
|
|
switch (v) {
|
|
case GL_CLAMP_TO_EDGE:
|
|
return SamplerWrapMode::ClampToEdge;
|
|
case GL_MIRRORED_REPEAT:
|
|
return SamplerWrapMode::MirroredRepeat;
|
|
case GL_REPEAT:
|
|
return SamplerWrapMode::Repeat;
|
|
case GL_CLAMP_TO_BORDER:
|
|
return SamplerWrapMode::ClampToBorder;
|
|
case GL_MIRROR_CLAMP_TO_EDGE:
|
|
return SamplerWrapMode::MirrorClampToEdge;
|
|
default:
|
|
return SamplerWrapMode::Unknown;
|
|
}
|
|
}
|
|
|
|
SamplerCompareMode ConvertGLEnumToSamplerCompareMode(GLenum v) {
|
|
switch (v) {
|
|
case 0:
|
|
return SamplerCompareMode::None; // 无 compare
|
|
case GL_COMPARE_REF_TO_TEXTURE:
|
|
return SamplerCompareMode::CompareToTexture;
|
|
default:
|
|
return SamplerCompareMode::Unknown;
|
|
}
|
|
}
|
|
|
|
SamplerCompareFunc ConvertGLEnumToSamplerCompareFunc(GLenum v) {
|
|
switch (v) {
|
|
case GL_NEVER:
|
|
return SamplerCompareFunc::Never;
|
|
case GL_LESS:
|
|
return SamplerCompareFunc::Less;
|
|
case GL_EQUAL:
|
|
return SamplerCompareFunc::Equal;
|
|
case GL_LEQUAL:
|
|
return SamplerCompareFunc::LessEqual;
|
|
case GL_GREATER:
|
|
return SamplerCompareFunc::Greater;
|
|
case GL_NOTEQUAL:
|
|
return SamplerCompareFunc::NotEqual;
|
|
case GL_GEQUAL:
|
|
return SamplerCompareFunc::GreaterEqual;
|
|
case GL_ALWAYS:
|
|
return SamplerCompareFunc::Always;
|
|
default:
|
|
return SamplerCompareFunc::Unknown;
|
|
}
|
|
}
|
|
|
|
TextureSwizzleParam ConvertGLEnumToTextureSwizzleParam(GLenum v) {
|
|
switch (v) {
|
|
case GL_RED:
|
|
return TextureSwizzleParam::Red;
|
|
case GL_GREEN:
|
|
return TextureSwizzleParam::Green;
|
|
case GL_BLUE:
|
|
return TextureSwizzleParam::Blue;
|
|
case GL_ALPHA:
|
|
return TextureSwizzleParam::Alpha;
|
|
case GL_ZERO:
|
|
return TextureSwizzleParam::Zero;
|
|
case GL_ONE:
|
|
return TextureSwizzleParam::One;
|
|
default:
|
|
return TextureSwizzleParam::Unknown;
|
|
}
|
|
}
|
|
|
|
TextureSwizzleParam ConvertGLEnumPnameToTextureSwizzleParam(GLenum v) {
|
|
switch (v) {
|
|
case GL_TEXTURE_SWIZZLE_R:
|
|
return TextureSwizzleParam::Red;
|
|
case GL_TEXTURE_SWIZZLE_G:
|
|
return TextureSwizzleParam::Green;
|
|
case GL_TEXTURE_SWIZZLE_B:
|
|
return TextureSwizzleParam::Blue;
|
|
case GL_TEXTURE_SWIZZLE_A:
|
|
return TextureSwizzleParam::Alpha;
|
|
default:
|
|
return TextureSwizzleParam::Unknown;
|
|
}
|
|
}
|
|
} // namespace MG_Util
|
|
} // namespace MobileGL
|