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glm/test/external/gli/gl.hpp
Christophe Riccio 71a519387e Updated GLI for tests
2017-01-02 20:52:57 +01:00

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/// @brief Include to translate GLI enums to OpenGL enums
/// @file gli/gl.hpp
#pragma once
#include "format.hpp"
#include "target.hpp"
#include <array>
namespace gli
{
/// Translation class to convert GLI enums into OpenGL values
class gl
{
public:
enum internal_format
{
INTERNAL_RGB_UNORM= 0x1907, //GL_RGB
INTERNAL_BGR_UNORM = 0x80E0, //GL_BGR
INTERNAL_RGBA_UNORM = 0x1908, //GL_RGBA
INTERNAL_BGRA_UNORM = 0x80E1, //GL_BGRA
INTERNAL_BGRA8_UNORM = 0x93A1, //GL_BGRA8_EXT
// unorm formats
INTERNAL_R8_UNORM = 0x8229, //GL_R8
INTERNAL_RG8_UNORM = 0x822B, //GL_RG8
INTERNAL_RGB8_UNORM = 0x8051, //GL_RGB8
INTERNAL_RGBA8_UNORM = 0x8058, //GL_RGBA8
INTERNAL_R16_UNORM = 0x822A, //GL_R16
INTERNAL_RG16_UNORM = 0x822C, //GL_RG16
INTERNAL_RGB16_UNORM = 0x8054, //GL_RGB16
INTERNAL_RGBA16_UNORM = 0x805B, //GL_RGBA16
INTERNAL_RGB10A2_UNORM = 0x8059, //GL_RGB10_A2
INTERNAL_RGB10A2_SNORM_EXT = 0xFFFC,
// snorm formats
INTERNAL_R8_SNORM = 0x8F94, //GL_R8_SNORM
INTERNAL_RG8_SNORM = 0x8F95, //GL_RG8_SNORM
INTERNAL_RGB8_SNORM = 0x8F96, //GL_RGB8_SNORM
INTERNAL_RGBA8_SNORM = 0x8F97, //GL_RGBA8_SNORM
INTERNAL_R16_SNORM = 0x8F98, //GL_R16_SNORM
INTERNAL_RG16_SNORM= 0x8F99, //GL_RG16_SNORM
INTERNAL_RGB16_SNORM= 0x8F9A, //GL_RGB16_SNORM
INTERNAL_RGBA16_SNORM = 0x8F9B, //GL_RGBA16_SNORM
// unsigned integer formats
INTERNAL_R8U = 0x8232, //GL_R8UI
INTERNAL_RG8U = 0x8238, //GL_RG8UI
INTERNAL_RGB8U = 0x8D7D, //GL_RGB8UI
INTERNAL_RGBA8U = 0x8D7C, //GL_RGBA8UI
INTERNAL_R16U = 0x8234, //GL_R16UI
INTERNAL_RG16U = 0x823A, //GL_RG16UI
INTERNAL_RGB16U = 0x8D77, //GL_RGB16UI
INTERNAL_RGBA16U = 0x8D76, //GL_RGBA16UI
INTERNAL_R32U = 0x8236, //GL_R32UI
INTERNAL_RG32U = 0x823C, //GL_RG32UI
INTERNAL_RGB32U = 0x8D71, //GL_RGB32UI
INTERNAL_RGBA32U = 0x8D70, //GL_RGBA32UI
INTERNAL_RGB10A2U = 0x906F, //GL_RGB10_A2UI
INTERNAL_RGB10A2I_EXT = 0xFFFB,
// signed integer formats
INTERNAL_R8I = 0x8231, //GL_R8I
INTERNAL_RG8I = 0x8237, //GL_RG8I
INTERNAL_RGB8I = 0x8D8F, //GL_RGB8I
INTERNAL_RGBA8I = 0x8D8E, //GL_RGBA8I
INTERNAL_R16I = 0x8233, //GL_R16I
INTERNAL_RG16I = 0x8239, //GL_RG16I
INTERNAL_RGB16I = 0x8D89, //GL_RGB16I
INTERNAL_RGBA16I = 0x8D88, //GL_RGBA16I
INTERNAL_R32I = 0x8235, //GL_R32I
INTERNAL_RG32I = 0x823B, //GL_RG32I
INTERNAL_RGB32I = 0x8D83, //GL_RGB32I
INTERNAL_RGBA32I = 0x8D82, //GL_RGBA32I
// Floating formats
INTERNAL_R16F = 0x822D, //GL_R16F
INTERNAL_RG16F = 0x822F, //GL_RG16F
INTERNAL_RGB16F = 0x881B, //GL_RGB16F
INTERNAL_RGBA16F = 0x881A, //GL_RGBA16F
INTERNAL_R32F = 0x822E, //GL_R32F
INTERNAL_RG32F = 0x8230, //GL_RG32F
INTERNAL_RGB32F = 0x8815, //GL_RGB32F
INTERNAL_RGBA32F = 0x8814, //GL_RGBA32F
INTERNAL_R64F_EXT = 0xFFFA, //GL_R64F
INTERNAL_RG64F_EXT = 0xFFF9, //GL_RG64F
INTERNAL_RGB64F_EXT = 0xFFF8, //GL_RGB64F
INTERNAL_RGBA64F_EXT = 0xFFF7, //GL_RGBA64F
// sRGB formats
INTERNAL_SR8 = 0x8FBD, //GL_SR8_EXT
INTERNAL_SRG8 = 0x8FBE, //GL_SRG8_EXT
INTERNAL_SRGB8 = 0x8C41, //GL_SRGB8
INTERNAL_SRGB8_ALPHA8 = 0x8C43, //GL_SRGB8_ALPHA8
// Packed formats
INTERNAL_RGB9E5 = 0x8C3D, //GL_RGB9_E5
INTERNAL_RG11B10F = 0x8C3A, //GL_R11F_G11F_B10F
INTERNAL_RG3B2 = 0x2A10, //GL_R3_G3_B2
INTERNAL_R5G6B5 = 0x8D62, //GL_RGB565
INTERNAL_RGB5A1 = 0x8057, //GL_RGB5_A1
INTERNAL_RGBA4 = 0x8056, //GL_RGBA4
INTERNAL_RG4_EXT = 0xFFFE,
// Luminance Alpha formats
INTERNAL_LA4 = 0x8043, //GL_LUMINANCE4_ALPHA4
INTERNAL_L8 = 0x8040, //GL_LUMINANCE8
INTERNAL_A8 = 0x803C, //GL_ALPHA8
INTERNAL_LA8 = 0x8045, //GL_LUMINANCE8_ALPHA8
INTERNAL_L16 = 0x8042, //GL_LUMINANCE16
INTERNAL_A16 = 0x803E, //GL_ALPHA16
INTERNAL_LA16 = 0x8048, //GL_LUMINANCE16_ALPHA16
// Depth formats
INTERNAL_D16 = 0x81A5, //GL_DEPTH_COMPONENT16
INTERNAL_D24 = 0x81A6, //GL_DEPTH_COMPONENT24
INTERNAL_D16S8_EXT = 0xFFF6,
INTERNAL_D24S8 = 0x88F0, //GL_DEPTH24_STENCIL8
INTERNAL_D32 = 0x81A7, //GL_DEPTH_COMPONENT32
INTERNAL_D32F = 0x8CAC, //GL_DEPTH_COMPONENT32F
INTERNAL_D32FS8X24 = 0x8CAD, //GL_DEPTH32F_STENCIL8
INTERNAL_S8_EXT = 0x8D48, //GL_STENCIL_INDEX8
// Compressed formats
INTERNAL_RGB_DXT1 = 0x83F0, //GL_COMPRESSED_RGB_S3TC_DXT1_EXT
INTERNAL_RGBA_DXT1 = 0x83F1, //GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
INTERNAL_RGBA_DXT3 = 0x83F2, //GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
INTERNAL_RGBA_DXT5 = 0x83F3, //GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
INTERNAL_R_ATI1N_UNORM = 0x8DBB, //GL_COMPRESSED_RED_RGTC1
INTERNAL_R_ATI1N_SNORM = 0x8DBC, //GL_COMPRESSED_SIGNED_RED_RGTC1
INTERNAL_RG_ATI2N_UNORM = 0x8DBD, //GL_COMPRESSED_RG_RGTC2
INTERNAL_RG_ATI2N_SNORM = 0x8DBE, //GL_COMPRESSED_SIGNED_RG_RGTC2
INTERNAL_RGB_BP_UNSIGNED_FLOAT = 0x8E8F, //GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
INTERNAL_RGB_BP_SIGNED_FLOAT = 0x8E8E, //GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
INTERNAL_RGB_BP_UNORM = 0x8E8C, //GL_COMPRESSED_RGBA_BPTC_UNORM
INTERNAL_RGB_PVRTC_4BPPV1 = 0x8C00, //GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
INTERNAL_RGB_PVRTC_2BPPV1 = 0x8C01, //GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
INTERNAL_RGBA_PVRTC_4BPPV1 = 0x8C02, //GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
INTERNAL_RGBA_PVRTC_2BPPV1 = 0x8C03, //GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
INTERNAL_RGBA_PVRTC_4BPPV2 = 0x9137, //GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
INTERNAL_RGBA_PVRTC_2BPPV2 = 0x9138, //GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
INTERNAL_ATC_RGB = 0x8C92, //GL_ATC_RGB_AMD
INTERNAL_ATC_RGBA_EXPLICIT_ALPHA = 0x8C93, //GL_ATC_RGBA_EXPLICIT_ALPHA_AMD
INTERNAL_ATC_RGBA_INTERPOLATED_ALPHA = 0x87EE, //GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
INTERNAL_RGB_ETC = 0x8D64, //GL_COMPRESSED_RGB8_ETC1
INTERNAL_RGB_ETC2 = 0x9274, //GL_COMPRESSED_RGB8_ETC2
INTERNAL_RGBA_PUNCHTHROUGH_ETC2 = 0x9276, //GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
INTERNAL_RGBA_ETC2 = 0x9278, //GL_COMPRESSED_RGBA8_ETC2_EAC
INTERNAL_R11_EAC = 0x9270, //GL_COMPRESSED_R11_EAC
INTERNAL_SIGNED_R11_EAC = 0x9271, //GL_COMPRESSED_SIGNED_R11_EAC
INTERNAL_RG11_EAC = 0x9272, //GL_COMPRESSED_RG11_EAC
INTERNAL_SIGNED_RG11_EAC = 0x9273, //GL_COMPRESSED_SIGNED_RG11_EAC
INTERNAL_RGBA_ASTC_4x4 = 0x93B0, //GL_COMPRESSED_RGBA_ASTC_4x4_KHR
INTERNAL_RGBA_ASTC_5x4 = 0x93B1, //GL_COMPRESSED_RGBA_ASTC_5x4_KHR
INTERNAL_RGBA_ASTC_5x5 = 0x93B2, //GL_COMPRESSED_RGBA_ASTC_5x5_KHR
INTERNAL_RGBA_ASTC_6x5 = 0x93B3, //GL_COMPRESSED_RGBA_ASTC_6x5_KHR
INTERNAL_RGBA_ASTC_6x6 = 0x93B4, //GL_COMPRESSED_RGBA_ASTC_6x6_KHR
INTERNAL_RGBA_ASTC_8x5 = 0x93B5, //GL_COMPRESSED_RGBA_ASTC_8x5_KHR
INTERNAL_RGBA_ASTC_8x6 = 0x93B6, //GL_COMPRESSED_RGBA_ASTC_8x6_KHR
INTERNAL_RGBA_ASTC_8x8 = 0x93B7, //GL_COMPRESSED_RGBA_ASTC_8x8_KHR
INTERNAL_RGBA_ASTC_10x5 = 0x93B8, //GL_COMPRESSED_RGBA_ASTC_10x5_KHR
INTERNAL_RGBA_ASTC_10x6 = 0x93B9, //GL_COMPRESSED_RGBA_ASTC_10x6_KHR
INTERNAL_RGBA_ASTC_10x8 = 0x93BA, //GL_COMPRESSED_RGBA_ASTC_10x8_KHR
INTERNAL_RGBA_ASTC_10x10 = 0x93BB, //GL_COMPRESSED_RGBA_ASTC_10x10_KHR
INTERNAL_RGBA_ASTC_12x10 = 0x93BC, //GL_COMPRESSED_RGBA_ASTC_12x10_KHR
INTERNAL_RGBA_ASTC_12x12 = 0x93BD, //GL_COMPRESSED_RGBA_ASTC_12x12_KHR
// sRGB formats
INTERNAL_SRGB_DXT1 = 0x8C4C, //GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
INTERNAL_SRGB_ALPHA_DXT1 = 0x8C4D, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
INTERNAL_SRGB_ALPHA_DXT3 = 0x8C4E, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
INTERNAL_SRGB_ALPHA_DXT5 = 0x8C4F, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
INTERNAL_SRGB_BP_UNORM = 0x8E8D, //GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
INTERNAL_SRGB_PVRTC_2BPPV1 = 0x8A54, //GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT
INTERNAL_SRGB_PVRTC_4BPPV1 = 0x8A55, //GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT
INTERNAL_SRGB_ALPHA_PVRTC_2BPPV1 = 0x8A56, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT
INTERNAL_SRGB_ALPHA_PVRTC_4BPPV1 = 0x8A57, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT
INTERNAL_SRGB_ALPHA_PVRTC_2BPPV2 = 0x93F0, //COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG
INTERNAL_SRGB_ALPHA_PVRTC_4BPPV2 = 0x93F1, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG
INTERNAL_SRGB8_ETC2 = 0x9275, //GL_COMPRESSED_SRGB8_ETC2
INTERNAL_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277, //GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
INTERNAL_SRGB8_ALPHA8_ETC2_EAC = 0x9279, //GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
INTERNAL_SRGB8_ALPHA8_ASTC_4x4 = 0x93D0, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_5x4 = 0x93D1, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_5x5 = 0x93D2, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_6x5 = 0x93D3, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_6x6 = 0x93D4, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_8x5 = 0x93D5, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_8x6 = 0x93D6, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_8x8 = 0x93D7, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_10x5 = 0x93D8, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_10x6 = 0x93D9, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_10x8 = 0x93DA, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_10x10 = 0x93DB, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_12x10 = 0x93DC, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR
INTERNAL_SRGB8_ALPHA8_ASTC_12x12 = 0x93DD, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR
INTERNAL_ALPHA8 = 0x803C,
INTERNAL_ALPHA16 = 0x803E,
INTERNAL_LUMINANCE8 = 0x8040,
INTERNAL_LUMINANCE16 = 0x8042,
INTERNAL_LUMINANCE8_ALPHA8 = 0x8045,
INTERNAL_LUMINANCE16_ALPHA16 = 0x8048,
INTERNAL_R8_USCALED_GTC = 0xF000,
INTERNAL_R8_SSCALED_GTC,
INTERNAL_RG8_USCALED_GTC,
INTERNAL_RG8_SSCALED_GTC,
INTERNAL_RGB8_USCALED_GTC,
INTERNAL_RGB8_SSCALED_GTC,
INTERNAL_RGBA8_USCALED_GTC,
INTERNAL_RGBA8_SSCALED_GTC,
INTERNAL_RGB10A2_USCALED_GTC,
INTERNAL_RGB10A2_SSCALED_GTC,
INTERNAL_R16_USCALED_GTC,
INTERNAL_R16_SSCALED_GTC,
INTERNAL_RG16_USCALED_GTC,
INTERNAL_RG16_SSCALED_GTC,
INTERNAL_RGB16_USCALED_GTC,
INTERNAL_RGB16_SSCALED_GTC,
INTERNAL_RGBA16_USCALED_GTC,
INTERNAL_RGBA16_SSCALED_GTC,
};
enum external_format
{
EXTERNAL_NONE = 0, //GL_NONE
EXTERNAL_RED = 0x1903, //GL_RED
EXTERNAL_RG = 0x8227, //GL_RG
EXTERNAL_RGB= 0x1907, //GL_RGB
EXTERNAL_BGR = 0x80E0, //GL_BGR
EXTERNAL_RGBA = 0x1908, //GL_RGBA
EXTERNAL_BGRA = 0x80E1, //GL_BGRA
EXTERNAL_RED_INTEGER = 0x8D94, //GL_RED_INTEGER
EXTERNAL_RG_INTEGER = 0x8228, //GL_RG_INTEGER
EXTERNAL_RGB_INTEGER = 0x8D98, //GL_RGB_INTEGER
EXTERNAL_BGR_INTEGER = 0x8D9A, //GL_BGR_INTEGER
EXTERNAL_RGBA_INTEGER = 0x8D99, //GL_RGBA_INTEGER
EXTERNAL_BGRA_INTEGER = 0x8D9B, //GL_BGRA_INTEGER
EXTERNAL_DEPTH = 0x1902, //GL_DEPTH_COMPONENT
EXTERNAL_DEPTH_STENCIL = 0x84F9, //GL_DEPTH_STENCIL
EXTERNAL_STENCIL = 0x1901, //GL_STENCIL_INDEX
EXTERNAL_LUMINANCE = 0x1909, //GL_LUMINANCE
EXTERNAL_ALPHA = 0x1906, //GL_ALPHA
EXTERNAL_LUMINANCE_ALPHA = 0x190A, //GL_LUMINANCE_ALPHA
EXTERNAL_SRGB_EXT = 0x8C40, //SRGB_EXT
EXTERNAL_SRGB_ALPHA_EXT = 0x8C42 //SRGB_ALPHA_EXT
};
enum type_format
{
TYPE_NONE = 0, //GL_NONE
TYPE_I8 = 0x1400, //GL_BYTE
TYPE_U8 = 0x1401, //GL_UNSIGNED_BYTE
TYPE_I16 = 0x1402, //GL_SHORT
TYPE_U16 = 0x1403, //GL_UNSIGNED_SHORT
TYPE_I32 = 0x1404, //GL_INT
TYPE_U32 = 0x1405, //GL_UNSIGNED_INT
TYPE_I64 = 0x140E, //GL_INT64_ARB
TYPE_U64 = 0x140F, //GL_UNSIGNED_INT64_ARB
TYPE_F16 = 0x140B, //GL_HALF_FLOAT
TYPE_F16_OES = 0x8D61, //GL_HALF_FLOAT_OES
TYPE_F32 = 0x1406, //GL_FLOAT
TYPE_F64 = 0x140A, //GL_DOUBLE
TYPE_UINT32_RGB9_E5_REV = 0x8C3E, //GL_UNSIGNED_INT_5_9_9_9_REV
TYPE_UINT32_RG11B10F_REV = 0x8C3B, //GL_UNSIGNED_INT_10F_11F_11F_REV
TYPE_UINT8_RG3B2 = 0x8032, //GL_UNSIGNED_BYTE_3_3_2
TYPE_UINT8_RG3B2_REV = 0x8362, //GL_UNSIGNED_BYTE_2_3_3_REV
TYPE_UINT16_RGB5A1 = 0x8034, //GL_UNSIGNED_SHORT_5_5_5_1
TYPE_UINT16_RGB5A1_REV = 0x8366, //GL_UNSIGNED_SHORT_1_5_5_5_REV
TYPE_UINT16_R5G6B5 = 0x8363, //GL_UNSIGNED_SHORT_5_6_5
TYPE_UINT16_R5G6B5_REV = 0x8364, //GL_UNSIGNED_SHORT_5_6_5_REV
TYPE_UINT16_RGBA4 = 0x8033, //GL_UNSIGNED_SHORT_4_4_4_4
TYPE_UINT16_RGBA4_REV = 0x8365, //GL_UNSIGNED_SHORT_4_4_4_4_REV
TYPE_UINT32_RGBA8 = 0x8035, //GL_UNSIGNED_SHORT_8_8_8_8
TYPE_UINT32_RGBA8_REV = 0x8367, //GL_UNSIGNED_SHORT_8_8_8_8_REV
TYPE_UINT32_RGB10A2 = 0x8036, //GL_UNSIGNED_INT_10_10_10_2
TYPE_UINT32_RGB10A2_REV = 0x8368, //GL_UNSIGNED_INT_2_10_10_10_REV
TYPE_UINT8_RG4_REV_GTC = 0xFFFD,
TYPE_UINT16_A1RGB5_GTC = 0xFFFC
};
enum target
{
TARGET_1D = 0x0DE0,
TARGET_1D_ARRAY = 0x8C18,
TARGET_2D = 0x0DE1,
TARGET_2D_ARRAY = 0x8C1A,
TARGET_3D = 0x806F,
TARGET_RECT = 0x84F5,
TARGET_RECT_ARRAY = 0x84F5, // Not supported by OpenGL
TARGET_CUBE = 0x8513,
TARGET_CUBE_ARRAY = 0x9009
};
enum swizzle
{
SWIZZLE_RED = 0x1903, //GL_RED
SWIZZLE_GREEN = 0x1904, //GL_GREEN
SWIZZLE_BLUE = 0x1905, //GL_BLUE
SWIZZLE_ALPHA = 0x1906, //GL_ALPHA
SWIZZLE_ZERO = 0x0000, //GL_ZERO
SWIZZLE_ONE = 0x0001, //GL_ONE
};
enum profile
{
PROFILE_ES20,
PROFILE_ES30,
PROFILE_GL32,
PROFILE_GL33,
PROFILE_KTX
};
typedef glm::vec<4, int> swizzles;
struct format
{
internal_format Internal;
external_format External;
type_format Type;
swizzles Swizzles;
};
gl(profile Profile);
/// Convert GLI targets into OpenGL texture targets
target const& translate(gli::target Target) const;
/// Convert GLI formats into OpenGL texture formats
format translate(gli::format Format, gli::swizzles const& Swizzle) const;
/// Convert an OpenGL format into a GLI format
gli::format find(internal_format InternalFormat, external_format ExternalFormat, type_format Type);
private:
struct format_desc
{
internal_format Internal;
external_format External;
type_format Type;
unsigned int Properties;
};
bool has_swizzle(profile Profile) const
{
return Profile == PROFILE_ES30 || Profile == PROFILE_GL33;
}
gl::swizzles compute_swizzle(format_desc const& FormatDesc, gli::swizzles const& Swizzle) const;
std::array<format_desc, FORMAT_COUNT> FormatDesc;
profile Profile;
};
}//namespace gli
#include "./core/gl.inl"
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