mirror of
https://github.com/MobileGL-Dev/MobileGL
synced 2026-09-09 04:38:30 +09:00
480 lines
19 KiB
C++
480 lines
19 KiB
C++
// MobileGL - MobileGL/MG_Util/Converters/MGToGL/TextureEnumConverter.cpp
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// Copyright (c) 2025-2026 MobileGL-Dev
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// Licensed under the GNU Lesser General Public License v3.0:
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// https://www.gnu.org/licenses/gpl-3.0.txt
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// https://www.gnu.org/licenses/lgpl-3.0.txt
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// SPDX-License-Identifier: LGPL-3.0-only
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// End of Source File Header
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#include "TextureEnumConverter.h"
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#include "GL/gl.h"
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#include "MG_Util/Types.h"
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namespace MobileGL {
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namespace MG_Util {
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GLenum ConvertTextureTargetToGLEnum(TextureTarget target) {
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switch (target) {
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case TextureTarget::Texture1D:
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return GL_TEXTURE_1D;
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case TextureTarget::Texture2D:
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return GL_TEXTURE_2D;
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case TextureTarget::Texture3D:
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return GL_TEXTURE_3D;
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case TextureTarget::TextureCubeMap:
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return GL_TEXTURE_CUBE_MAP;
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case TextureTarget::Texture2DArray:
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return GL_TEXTURE_2D_ARRAY;
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case TextureTarget::Texture2DMultisample:
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return GL_TEXTURE_2D_MULTISAMPLE;
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case TextureTarget::TextureCubeMapArray:
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return GL_TEXTURE_CUBE_MAP_ARRAY;
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case TextureTarget::TextureBuffer:
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return GL_TEXTURE_BUFFER;
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case TextureTarget::Texture1DArray:
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return GL_TEXTURE_1D_ARRAY;
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case TextureTarget::TextureRectangle:
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return GL_TEXTURE_RECTANGLE;
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case TextureTarget::Texture2DMultisampleArray:
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return GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertTextureInputFormatToGLEnum(TextureInputFormat format) {
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switch (format) {
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case TextureInputFormat::Red:
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return GL_RED;
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case TextureInputFormat::RG:
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return GL_RG;
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case TextureInputFormat::RGB:
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return GL_RGB;
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case TextureInputFormat::BGR:
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return GL_BGR;
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case TextureInputFormat::RGBA:
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return GL_RGBA;
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case TextureInputFormat::BGRA:
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return GL_BGRA;
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case TextureInputFormat::RInteger:
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return GL_RED_INTEGER;
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case TextureInputFormat::RGInteger:
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return GL_RG_INTEGER;
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case TextureInputFormat::RGBInteger:
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return GL_RGB_INTEGER;
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case TextureInputFormat::BGRInteger:
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return GL_BGR_INTEGER;
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case TextureInputFormat::RGBAInteger:
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return GL_RGBA_INTEGER;
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case TextureInputFormat::BGRAInteger:
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return GL_BGRA_INTEGER;
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case TextureInputFormat::Green:
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return GL_GREEN;
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case TextureInputFormat::Blue:
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return GL_BLUE;
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case TextureInputFormat::Alpha:
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return GL_ALPHA;
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case TextureInputFormat::GreenInteger:
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return GL_GREEN_INTEGER;
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case TextureInputFormat::BlueInteger:
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return GL_BLUE_INTEGER;
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case TextureInputFormat::AlphaInteger:
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return GL_ALPHA_INTEGER;
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case TextureInputFormat::StencilIndex:
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return GL_STENCIL_INDEX;
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case TextureInputFormat::DepthComponent:
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return GL_DEPTH_COMPONENT;
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case TextureInputFormat::DepthStencil:
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return GL_DEPTH_STENCIL;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertTextureInternalFormatToGLEnum(TextureInternalFormat format) {
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switch (format) {
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case TextureInternalFormat::R8:
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return GL_R8;
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case TextureInternalFormat::R8Snorm:
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return GL_R8_SNORM;
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case TextureInternalFormat::R16:
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return GL_R16;
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case TextureInternalFormat::R16Snorm:
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return GL_R16_SNORM;
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case TextureInternalFormat::RG8:
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return GL_RG8;
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case TextureInternalFormat::RG8Snorm:
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return GL_RG8_SNORM;
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case TextureInternalFormat::RG16:
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return GL_RG16;
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case TextureInternalFormat::RG16Snorm:
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return GL_RG16_SNORM;
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case TextureInternalFormat::R3G3B2:
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return GL_R3_G3_B2;
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case TextureInternalFormat::RGB4:
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return GL_RGB4;
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case TextureInternalFormat::RGB5:
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// Emit the ES-compatible GL_RGB565 rendition: desktop GL_RGB5 is not a legal
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// sized internalformat on OpenGL ES backends, GL_RGB565 is (and GL 4.1+
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// accepts it too via ARB_ES2_compatibility).
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return GL_RGB565;
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case TextureInternalFormat::RGB8:
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return GL_RGB8;
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case TextureInternalFormat::RGB8Snorm:
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return GL_RGB8_SNORM;
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case TextureInternalFormat::RGB10:
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return GL_RGB10;
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case TextureInternalFormat::RGB12:
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return GL_RGB12;
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case TextureInternalFormat::RGB16:
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return GL_RGB16;
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case TextureInternalFormat::RGB16Snorm:
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return GL_RGB16_SNORM;
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case TextureInternalFormat::RGBA2:
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return GL_RGBA2;
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case TextureInternalFormat::RGBA4:
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return GL_RGBA4;
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case TextureInternalFormat::RGB5A1:
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return GL_RGB5_A1;
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case TextureInternalFormat::RGBA8:
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return GL_RGBA8;
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case TextureInternalFormat::RGBA8Snorm:
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return GL_RGBA8_SNORM;
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case TextureInternalFormat::RGB10A2:
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return GL_RGB10_A2;
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case TextureInternalFormat::RGB10A2UI:
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return GL_RGB10_A2UI;
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case TextureInternalFormat::RGBA12:
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return GL_RGBA12;
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case TextureInternalFormat::RGBA16:
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return GL_RGBA16;
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case TextureInternalFormat::RGBA16Snorm:
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return GL_RGBA16_SNORM;
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case TextureInternalFormat::SRGB8:
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return GL_SRGB8;
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case TextureInternalFormat::SRGB8Alpha8:
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return GL_SRGB8_ALPHA8;
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case TextureInternalFormat::R16F:
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return GL_R16F;
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case TextureInternalFormat::RG16F:
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return GL_RG16F;
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case TextureInternalFormat::RGB16F:
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return GL_RGB16F;
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case TextureInternalFormat::RGBA16F:
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return GL_RGBA16F;
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case TextureInternalFormat::R32F:
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return GL_R32F;
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case TextureInternalFormat::RG32F:
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return GL_RG32F;
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case TextureInternalFormat::RGB32F:
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return GL_RGB32F;
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case TextureInternalFormat::RGBA32F:
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return GL_RGBA32F;
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case TextureInternalFormat::R11FG11FB10F:
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return GL_R11F_G11F_B10F;
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case TextureInternalFormat::RGB9E5:
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return GL_RGB9_E5;
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case TextureInternalFormat::R8I:
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return GL_R8I;
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case TextureInternalFormat::R8UI:
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return GL_R8UI;
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case TextureInternalFormat::R16I:
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return GL_R16I;
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case TextureInternalFormat::R16UI:
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return GL_R16UI;
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case TextureInternalFormat::R32I:
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return GL_R32I;
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case TextureInternalFormat::R32UI:
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return GL_R32UI;
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case TextureInternalFormat::RG8I:
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return GL_RG8I;
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case TextureInternalFormat::RG8UI:
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return GL_RG8UI;
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case TextureInternalFormat::RG16I:
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return GL_RG16I;
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case TextureInternalFormat::RG16UI:
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return GL_RG16UI;
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case TextureInternalFormat::RG32I:
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return GL_RG32I;
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case TextureInternalFormat::RG32UI:
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return GL_RG32UI;
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case TextureInternalFormat::RGB8I:
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return GL_RGB8I;
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case TextureInternalFormat::RGB8UI:
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return GL_RGB8UI;
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case TextureInternalFormat::RGB16I:
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return GL_RGB16I;
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case TextureInternalFormat::RGB16UI:
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return GL_RGB16UI;
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case TextureInternalFormat::RGB32I:
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return GL_RGB32I;
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case TextureInternalFormat::RGB32UI:
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return GL_RGB32UI;
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case TextureInternalFormat::RGBA8I:
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return GL_RGBA8I;
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case TextureInternalFormat::RGBA8UI:
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return GL_RGBA8UI;
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case TextureInternalFormat::RGBA16I:
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return GL_RGBA16I;
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case TextureInternalFormat::RGBA16UI:
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return GL_RGBA16UI;
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case TextureInternalFormat::RGBA32I:
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return GL_RGBA32I;
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case TextureInternalFormat::RGBA32UI:
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return GL_RGBA32UI;
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case TextureInternalFormat::DepthComponent:
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return GL_DEPTH_COMPONENT;
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case TextureInternalFormat::DepthComponent16:
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return GL_DEPTH_COMPONENT16;
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case TextureInternalFormat::DepthComponent24:
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return GL_DEPTH_COMPONENT24;
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case TextureInternalFormat::DepthComponent32F:
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return GL_DEPTH_COMPONENT32F;
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case TextureInternalFormat::Depth24Stencil8:
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return GL_DEPTH24_STENCIL8;
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case TextureInternalFormat::Depth32FStencil8:
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return GL_DEPTH32F_STENCIL8;
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case TextureInternalFormat::DepthComponent32:
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return GL_DEPTH_COMPONENT32;
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case TextureInternalFormat::DepthStencil:
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return GL_DEPTH_STENCIL;
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case TextureInternalFormat::Red:
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return GL_RED;
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case TextureInternalFormat::RG:
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return GL_RG;
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case TextureInternalFormat::RGB:
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return GL_RGB;
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case TextureInternalFormat::RGBA:
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return GL_RGBA;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertTexturePixelDataTypeToGLEnum(TexturePixelDataType type) {
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switch (type) {
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case TexturePixelDataType::UnsignedByte:
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return GL_UNSIGNED_BYTE;
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case TexturePixelDataType::Byte:
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return GL_BYTE;
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case TexturePixelDataType::UnsignedShort:
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return GL_UNSIGNED_SHORT;
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case TexturePixelDataType::Short:
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return GL_SHORT;
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case TexturePixelDataType::UnsignedInt:
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return GL_UNSIGNED_INT;
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case TexturePixelDataType::Int:
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return GL_INT;
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case TexturePixelDataType::Float:
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return GL_FLOAT;
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case TexturePixelDataType::HalfFloat:
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return GL_HALF_FLOAT;
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case TexturePixelDataType::UnsignedInt248:
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return GL_UNSIGNED_INT_24_8;
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case TexturePixelDataType::UnsignedByte332:
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return GL_UNSIGNED_BYTE_3_3_2;
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case TexturePixelDataType::UnsignedByte233Rev:
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return GL_UNSIGNED_BYTE_2_3_3_REV;
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case TexturePixelDataType::UnsignedShort565:
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return GL_UNSIGNED_SHORT_5_6_5;
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case TexturePixelDataType::UnsignedShort565Rev:
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return GL_UNSIGNED_SHORT_5_6_5_REV;
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case TexturePixelDataType::UnsignedShort4444:
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return GL_UNSIGNED_SHORT_4_4_4_4;
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case TexturePixelDataType::UnsignedShort4444Rev:
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return GL_UNSIGNED_SHORT_4_4_4_4_REV;
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case TexturePixelDataType::UnsignedShort5551:
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return GL_UNSIGNED_SHORT_5_5_5_1;
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case TexturePixelDataType::UnsignedShort1555Rev:
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return GL_UNSIGNED_SHORT_1_5_5_5_REV;
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case TexturePixelDataType::UnsignedInt8888:
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return GL_UNSIGNED_INT_8_8_8_8;
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case TexturePixelDataType::UnsignedInt8888Rev:
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return GL_UNSIGNED_INT_8_8_8_8_REV;
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case TexturePixelDataType::UnsignedInt1010102:
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return GL_UNSIGNED_INT_10_10_10_2;
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case TexturePixelDataType::UnsignedInt2101010Rev:
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return GL_UNSIGNED_INT_2_10_10_10_REV;
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case TexturePixelDataType::UnsignedInt101111Rev:
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return GL_UNSIGNED_INT_10F_11F_11F_REV;
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case TexturePixelDataType::UnsignedInt5999Rev:
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return GL_UNSIGNED_INT_5_9_9_9_REV;
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case TexturePixelDataType::Float32UnsignedInt248Rev:
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return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertTextureUploadTargetToGLEnum(TextureUploadTarget target) {
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switch (target) {
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case TextureUploadTarget::Texture2D:
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return GL_TEXTURE_2D;
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case TextureUploadTarget::Texture1D:
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return GL_TEXTURE_1D;
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case TextureUploadTarget::Texture3D:
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return GL_TEXTURE_3D;
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case TextureUploadTarget::ProxyTexture2D:
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return GL_PROXY_TEXTURE_2D;
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case TextureUploadTarget::Texture1DArray:
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return GL_TEXTURE_1D_ARRAY;
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case TextureUploadTarget::ProxyTexture1DArray:
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return GL_PROXY_TEXTURE_1D_ARRAY;
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case TextureUploadTarget::TextureRectangle:
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return GL_TEXTURE_RECTANGLE;
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case TextureUploadTarget::ProxyTextureRectangle:
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return GL_PROXY_TEXTURE_RECTANGLE;
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case TextureUploadTarget::CubeMapPositiveX:
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return GL_TEXTURE_CUBE_MAP_POSITIVE_X;
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case TextureUploadTarget::CubeMapNegativeX:
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return GL_TEXTURE_CUBE_MAP_NEGATIVE_X;
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case TextureUploadTarget::CubeMapPositiveY:
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return GL_TEXTURE_CUBE_MAP_POSITIVE_Y;
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case TextureUploadTarget::CubeMapNegativeY:
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return GL_TEXTURE_CUBE_MAP_NEGATIVE_Y;
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case TextureUploadTarget::CubeMapPositiveZ:
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return GL_TEXTURE_CUBE_MAP_POSITIVE_Z;
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case TextureUploadTarget::CubeMapNegativeZ:
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return GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
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case TextureUploadTarget::ProxyCubeMap:
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return GL_PROXY_TEXTURE_CUBE_MAP;
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case TextureUploadTarget::Texture2DMultisample:
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return GL_TEXTURE_2D_MULTISAMPLE;
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case TextureUploadTarget::ProxyTexture2DMultisample:
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return GL_PROXY_TEXTURE_2D_MULTISAMPLE;
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case TextureUploadTarget::CubeMapArray:
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return GL_TEXTURE_CUBE_MAP_ARRAY;
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case TextureUploadTarget::ProxyCubeMapArray:
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return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY;
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case TextureUploadTarget::Texture2DArray:
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return GL_TEXTURE_2D_ARRAY;
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case TextureUploadTarget::ProxyTexture2DArray:
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return GL_PROXY_TEXTURE_2D_ARRAY;
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case TextureUploadTarget::Texture2DMultisampleArray:
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return GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
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case TextureUploadTarget::ProxyTexture2DMultisampleArray:
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return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertSamplerFilterModeToGLEnum(SamplerFilterMode filter, SamplerMipmapMode mipmap) {
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switch (mipmap) {
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case SamplerMipmapMode::None: {
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switch (filter) {
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case SamplerFilterMode::Nearest:
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return GL_NEAREST;
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case SamplerFilterMode::Linear:
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return GL_LINEAR;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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case SamplerMipmapMode::Nearest: {
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switch (filter) {
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case SamplerFilterMode::Nearest:
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return GL_NEAREST_MIPMAP_NEAREST;
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case SamplerFilterMode::Linear:
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return GL_LINEAR_MIPMAP_NEAREST;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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case SamplerMipmapMode::Linear: {
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switch (filter) {
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case SamplerFilterMode::Nearest:
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return GL_NEAREST_MIPMAP_LINEAR;
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case SamplerFilterMode::Linear:
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return GL_LINEAR_MIPMAP_LINEAR;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertSamplerMipmapModeToGLEnum(SamplerMipmapMode v) {
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switch (v) {
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case SamplerMipmapMode::None:
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return GL_NONE;
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case SamplerMipmapMode::Nearest:
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return GL_NEAREST_MIPMAP_NEAREST;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertSamplerWrapModeToGLEnum(SamplerWrapMode v) {
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switch (v) {
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case SamplerWrapMode::ClampToEdge:
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return GL_CLAMP_TO_EDGE;
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case SamplerWrapMode::MirroredRepeat:
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return GL_MIRRORED_REPEAT;
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case SamplerWrapMode::Repeat:
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return GL_REPEAT;
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case SamplerWrapMode::ClampToBorder:
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return GL_CLAMP_TO_BORDER;
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case SamplerWrapMode::MirrorClampToEdge:
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return GL_MIRROR_CLAMP_TO_EDGE;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertSamplerCompareModeToGLEnum(SamplerCompareMode v) {
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switch (v) {
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case SamplerCompareMode::None:
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return GL_NONE;
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case SamplerCompareMode::CompareToTexture:
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return GL_COMPARE_REF_TO_TEXTURE;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertSamplerCompareFuncToGLEnum(SamplerCompareFunc v) {
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switch (v) {
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case SamplerCompareFunc::Never:
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return GL_NEVER;
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case SamplerCompareFunc::Less:
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return GL_LESS;
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case SamplerCompareFunc::Equal:
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return GL_EQUAL;
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case SamplerCompareFunc::LessEqual:
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return GL_LEQUAL;
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case SamplerCompareFunc::Greater:
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return GL_GREATER;
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case SamplerCompareFunc::NotEqual:
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return GL_NOTEQUAL;
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case SamplerCompareFunc::GreaterEqual:
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return GL_GEQUAL;
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case SamplerCompareFunc::Always:
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return GL_ALWAYS;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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GLenum ConvertTextureSwizzleParamToGLEnum(TextureSwizzleParam v) {
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switch (v) {
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case TextureSwizzleParam::Red:
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return GL_RED;
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case TextureSwizzleParam::Green:
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return GL_GREEN;
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case TextureSwizzleParam::Blue:
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return GL_BLUE;
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case TextureSwizzleParam::Alpha:
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return GL_ALPHA;
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case TextureSwizzleParam::Zero:
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return GL_ZERO;
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case TextureSwizzleParam::One:
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return GL_ONE;
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default:
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return GL_UNKNOWN_MGL;
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}
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}
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} // namespace MG_Util
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} // namespace MobileGL
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