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gl.hpp
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1
4 #pragma once
5
6 #include "format.hpp"
7 #include "target.hpp"
8 #include <array>
9
10 namespace gli
11 {
13 class gl
14 {
15 public:
16 enum internal_format
17 {
18 INTERNAL_RGB_UNORM= 0x1907, //GL_RGB
19 INTERNAL_BGR_UNORM = 0x80E0, //GL_BGR
20 INTERNAL_RGBA_UNORM = 0x1908, //GL_RGBA
21 INTERNAL_BGRA_UNORM = 0x80E1, //GL_BGRA
22 INTERNAL_BGRA8_UNORM = 0x93A1, //GL_BGRA8_EXT
23
24 // unorm formats
25 INTERNAL_R8_UNORM = 0x8229, //GL_R8
26 INTERNAL_RG8_UNORM = 0x822B, //GL_RG8
27 INTERNAL_RGB8_UNORM = 0x8051, //GL_RGB8
28 INTERNAL_RGBA8_UNORM = 0x8058, //GL_RGBA8
29
30 INTERNAL_R16_UNORM = 0x822A, //GL_R16
31 INTERNAL_RG16_UNORM = 0x822C, //GL_RG16
32 INTERNAL_RGB16_UNORM = 0x8054, //GL_RGB16
33 INTERNAL_RGBA16_UNORM = 0x805B, //GL_RGBA16
34
35 INTERNAL_RGB10A2_UNORM = 0x8059, //GL_RGB10_A2
36 INTERNAL_RGB10A2_SNORM_EXT = 0xFFFC,
37
38 // snorm formats
39 INTERNAL_R8_SNORM = 0x8F94, //GL_R8_SNORM
40 INTERNAL_RG8_SNORM = 0x8F95, //GL_RG8_SNORM
41 INTERNAL_RGB8_SNORM = 0x8F96, //GL_RGB8_SNORM
42 INTERNAL_RGBA8_SNORM = 0x8F97, //GL_RGBA8_SNORM
43
44 INTERNAL_R16_SNORM = 0x8F98, //GL_R16_SNORM
45 INTERNAL_RG16_SNORM= 0x8F99, //GL_RG16_SNORM
46 INTERNAL_RGB16_SNORM= 0x8F9A, //GL_RGB16_SNORM
47 INTERNAL_RGBA16_SNORM = 0x8F9B, //GL_RGBA16_SNORM
48
49 // unsigned integer formats
50 INTERNAL_R8U = 0x8232, //GL_R8UI
51 INTERNAL_RG8U = 0x8238, //GL_RG8UI
52 INTERNAL_RGB8U = 0x8D7D, //GL_RGB8UI
53 INTERNAL_RGBA8U = 0x8D7C, //GL_RGBA8UI
54
55 INTERNAL_R16U = 0x8234, //GL_R16UI
56 INTERNAL_RG16U = 0x823A, //GL_RG16UI
57 INTERNAL_RGB16U = 0x8D77, //GL_RGB16UI
58 INTERNAL_RGBA16U = 0x8D76, //GL_RGBA16UI
59
60 INTERNAL_R32U = 0x8236, //GL_R32UI
61 INTERNAL_RG32U = 0x823C, //GL_RG32UI
62 INTERNAL_RGB32U = 0x8D71, //GL_RGB32UI
63 INTERNAL_RGBA32U = 0x8D70, //GL_RGBA32UI
64
65 INTERNAL_RGB10A2U = 0x906F, //GL_RGB10_A2UI
66 INTERNAL_RGB10A2I_EXT = 0xFFFB,
67
68 // signed integer formats
69 INTERNAL_R8I = 0x8231, //GL_R8I
70 INTERNAL_RG8I = 0x8237, //GL_RG8I
71 INTERNAL_RGB8I = 0x8D8F, //GL_RGB8I
72 INTERNAL_RGBA8I = 0x8D8E, //GL_RGBA8I
73
74 INTERNAL_R16I = 0x8233, //GL_R16I
75 INTERNAL_RG16I = 0x8239, //GL_RG16I
76 INTERNAL_RGB16I = 0x8D89, //GL_RGB16I
77 INTERNAL_RGBA16I = 0x8D88, //GL_RGBA16I
78
79 INTERNAL_R32I = 0x8235, //GL_R32I
80 INTERNAL_RG32I = 0x823B, //GL_RG32I
81 INTERNAL_RGB32I = 0x8D83, //GL_RGB32I
82 INTERNAL_RGBA32I = 0x8D82, //GL_RGBA32I
83
84 // Floating formats
85 INTERNAL_R16F = 0x822D, //GL_R16F
86 INTERNAL_RG16F = 0x822F, //GL_RG16F
87 INTERNAL_RGB16F = 0x881B, //GL_RGB16F
88 INTERNAL_RGBA16F = 0x881A, //GL_RGBA16F
89
90 INTERNAL_R32F = 0x822E, //GL_R32F
91 INTERNAL_RG32F = 0x8230, //GL_RG32F
92 INTERNAL_RGB32F = 0x8815, //GL_RGB32F
93 INTERNAL_RGBA32F = 0x8814, //GL_RGBA32F
94
95 INTERNAL_R64F_EXT = 0xFFFA, //GL_R64F
96 INTERNAL_RG64F_EXT = 0xFFF9, //GL_RG64F
97 INTERNAL_RGB64F_EXT = 0xFFF8, //GL_RGB64F
98 INTERNAL_RGBA64F_EXT = 0xFFF7, //GL_RGBA64F
99
100 // sRGB formats
101 INTERNAL_SR8 = 0x8FBD, //GL_SR8_EXT
102 INTERNAL_SRG8 = 0x8FBE, //GL_SRG8_EXT
103 INTERNAL_SRGB8 = 0x8C41, //GL_SRGB8
104 INTERNAL_SRGB8_ALPHA8 = 0x8C43, //GL_SRGB8_ALPHA8
105
106 // Packed formats
107 INTERNAL_RGB9E5 = 0x8C3D, //GL_RGB9_E5
108 INTERNAL_RG11B10F = 0x8C3A, //GL_R11F_G11F_B10F
109 INTERNAL_RG3B2 = 0x2A10, //GL_R3_G3_B2
110 INTERNAL_R5G6B5 = 0x8D62, //GL_RGB565
111 INTERNAL_RGB5A1 = 0x8057, //GL_RGB5_A1
112 INTERNAL_RGBA4 = 0x8056, //GL_RGBA4
113
114 INTERNAL_RG4_EXT = 0xFFFE,
115
116 // Luminance Alpha formats
117 INTERNAL_LA4 = 0x8043, //GL_LUMINANCE4_ALPHA4
118 INTERNAL_L8 = 0x8040, //GL_LUMINANCE8
119 INTERNAL_A8 = 0x803C, //GL_ALPHA8
120 INTERNAL_LA8 = 0x8045, //GL_LUMINANCE8_ALPHA8
121 INTERNAL_L16 = 0x8042, //GL_LUMINANCE16
122 INTERNAL_A16 = 0x803E, //GL_ALPHA16
123 INTERNAL_LA16 = 0x8048, //GL_LUMINANCE16_ALPHA16
124
125 // Depth formats
126 INTERNAL_D16 = 0x81A5, //GL_DEPTH_COMPONENT16
127 INTERNAL_D24 = 0x81A6, //GL_DEPTH_COMPONENT24
128 INTERNAL_D16S8_EXT = 0xFFF6,
129 INTERNAL_D24S8 = 0x88F0, //GL_DEPTH24_STENCIL8
130 INTERNAL_D32 = 0x81A7, //GL_DEPTH_COMPONENT32
131 INTERNAL_D32F = 0x8CAC, //GL_DEPTH_COMPONENT32F
132 INTERNAL_D32FS8X24 = 0x8CAD, //GL_DEPTH32F_STENCIL8
133 INTERNAL_S8_EXT = 0x8D48, //GL_STENCIL_INDEX8
134
135 // Compressed formats
136 INTERNAL_RGB_DXT1 = 0x83F0, //GL_COMPRESSED_RGB_S3TC_DXT1_EXT
137 INTERNAL_RGBA_DXT1 = 0x83F1, //GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
138 INTERNAL_RGBA_DXT3 = 0x83F2, //GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
139 INTERNAL_RGBA_DXT5 = 0x83F3, //GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
140 INTERNAL_R_ATI1N_UNORM = 0x8DBB, //GL_COMPRESSED_RED_RGTC1
141 INTERNAL_R_ATI1N_SNORM = 0x8DBC, //GL_COMPRESSED_SIGNED_RED_RGTC1
142 INTERNAL_RG_ATI2N_UNORM = 0x8DBD, //GL_COMPRESSED_RG_RGTC2
143 INTERNAL_RG_ATI2N_SNORM = 0x8DBE, //GL_COMPRESSED_SIGNED_RG_RGTC2
144 INTERNAL_RGB_BP_UNSIGNED_FLOAT = 0x8E8F, //GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
145 INTERNAL_RGB_BP_SIGNED_FLOAT = 0x8E8E, //GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
146 INTERNAL_RGB_BP_UNORM = 0x8E8C, //GL_COMPRESSED_RGBA_BPTC_UNORM
147 INTERNAL_RGB_PVRTC_4BPPV1 = 0x8C00, //GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
148 INTERNAL_RGB_PVRTC_2BPPV1 = 0x8C01, //GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
149 INTERNAL_RGBA_PVRTC_4BPPV1 = 0x8C02, //GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
150 INTERNAL_RGBA_PVRTC_2BPPV1 = 0x8C03, //GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
151 INTERNAL_RGBA_PVRTC_4BPPV2 = 0x9137, //GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
152 INTERNAL_RGBA_PVRTC_2BPPV2 = 0x9138, //GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
153 INTERNAL_ATC_RGB = 0x8C92, //GL_ATC_RGB_AMD
154 INTERNAL_ATC_RGBA_EXPLICIT_ALPHA = 0x8C93, //GL_ATC_RGBA_EXPLICIT_ALPHA_AMD
155 INTERNAL_ATC_RGBA_INTERPOLATED_ALPHA = 0x87EE, //GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
156
157 INTERNAL_RGB_ETC = 0x8D64, //GL_COMPRESSED_RGB8_ETC1
158 INTERNAL_RGB_ETC2 = 0x9274, //GL_COMPRESSED_RGB8_ETC2
159 INTERNAL_RGBA_PUNCHTHROUGH_ETC2 = 0x9276, //GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
160 INTERNAL_RGBA_ETC2 = 0x9278, //GL_COMPRESSED_RGBA8_ETC2_EAC
161 INTERNAL_R11_EAC = 0x9270, //GL_COMPRESSED_R11_EAC
162 INTERNAL_SIGNED_R11_EAC = 0x9271, //GL_COMPRESSED_SIGNED_R11_EAC
163 INTERNAL_RG11_EAC = 0x9272, //GL_COMPRESSED_RG11_EAC
164 INTERNAL_SIGNED_RG11_EAC = 0x9273, //GL_COMPRESSED_SIGNED_RG11_EAC
165
166 INTERNAL_RGBA_ASTC_4x4 = 0x93B0, //GL_COMPRESSED_RGBA_ASTC_4x4_KHR
167 INTERNAL_RGBA_ASTC_5x4 = 0x93B1, //GL_COMPRESSED_RGBA_ASTC_5x4_KHR
168 INTERNAL_RGBA_ASTC_5x5 = 0x93B2, //GL_COMPRESSED_RGBA_ASTC_5x5_KHR
169 INTERNAL_RGBA_ASTC_6x5 = 0x93B3, //GL_COMPRESSED_RGBA_ASTC_6x5_KHR
170 INTERNAL_RGBA_ASTC_6x6 = 0x93B4, //GL_COMPRESSED_RGBA_ASTC_6x6_KHR
171 INTERNAL_RGBA_ASTC_8x5 = 0x93B5, //GL_COMPRESSED_RGBA_ASTC_8x5_KHR
172 INTERNAL_RGBA_ASTC_8x6 = 0x93B6, //GL_COMPRESSED_RGBA_ASTC_8x6_KHR
173 INTERNAL_RGBA_ASTC_8x8 = 0x93B7, //GL_COMPRESSED_RGBA_ASTC_8x8_KHR
174 INTERNAL_RGBA_ASTC_10x5 = 0x93B8, //GL_COMPRESSED_RGBA_ASTC_10x5_KHR
175 INTERNAL_RGBA_ASTC_10x6 = 0x93B9, //GL_COMPRESSED_RGBA_ASTC_10x6_KHR
176 INTERNAL_RGBA_ASTC_10x8 = 0x93BA, //GL_COMPRESSED_RGBA_ASTC_10x8_KHR
177 INTERNAL_RGBA_ASTC_10x10 = 0x93BB, //GL_COMPRESSED_RGBA_ASTC_10x10_KHR
178 INTERNAL_RGBA_ASTC_12x10 = 0x93BC, //GL_COMPRESSED_RGBA_ASTC_12x10_KHR
179 INTERNAL_RGBA_ASTC_12x12 = 0x93BD, //GL_COMPRESSED_RGBA_ASTC_12x12_KHR
180
181 // sRGB formats
182 INTERNAL_SRGB_DXT1 = 0x8C4C, //GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
183 INTERNAL_SRGB_ALPHA_DXT1 = 0x8C4D, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
184 INTERNAL_SRGB_ALPHA_DXT3 = 0x8C4E, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
185 INTERNAL_SRGB_ALPHA_DXT5 = 0x8C4F, //GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
186 INTERNAL_SRGB_BP_UNORM = 0x8E8D, //GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
187 INTERNAL_SRGB_PVRTC_2BPPV1 = 0x8A54, //GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT
188 INTERNAL_SRGB_PVRTC_4BPPV1 = 0x8A55, //GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT
189 INTERNAL_SRGB_ALPHA_PVRTC_2BPPV1 = 0x8A56, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT
190 INTERNAL_SRGB_ALPHA_PVRTC_4BPPV1 = 0x8A57, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT
191 INTERNAL_SRGB_ALPHA_PVRTC_2BPPV2 = 0x93F0, //COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG
192 INTERNAL_SRGB_ALPHA_PVRTC_4BPPV2 = 0x93F1, //GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG
193 INTERNAL_SRGB8_ETC2 = 0x9275, //GL_COMPRESSED_SRGB8_ETC2
194 INTERNAL_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277, //GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
195 INTERNAL_SRGB8_ALPHA8_ETC2_EAC = 0x9279, //GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
196 INTERNAL_SRGB8_ALPHA8_ASTC_4x4 = 0x93D0, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR
197 INTERNAL_SRGB8_ALPHA8_ASTC_5x4 = 0x93D1, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR
198 INTERNAL_SRGB8_ALPHA8_ASTC_5x5 = 0x93D2, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR
199 INTERNAL_SRGB8_ALPHA8_ASTC_6x5 = 0x93D3, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR
200 INTERNAL_SRGB8_ALPHA8_ASTC_6x6 = 0x93D4, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR
201 INTERNAL_SRGB8_ALPHA8_ASTC_8x5 = 0x93D5, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR
202 INTERNAL_SRGB8_ALPHA8_ASTC_8x6 = 0x93D6, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR
203 INTERNAL_SRGB8_ALPHA8_ASTC_8x8 = 0x93D7, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR
204 INTERNAL_SRGB8_ALPHA8_ASTC_10x5 = 0x93D8, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR
205 INTERNAL_SRGB8_ALPHA8_ASTC_10x6 = 0x93D9, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR
206 INTERNAL_SRGB8_ALPHA8_ASTC_10x8 = 0x93DA, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR
207 INTERNAL_SRGB8_ALPHA8_ASTC_10x10 = 0x93DB, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR
208 INTERNAL_SRGB8_ALPHA8_ASTC_12x10 = 0x93DC, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR
209 INTERNAL_SRGB8_ALPHA8_ASTC_12x12 = 0x93DD, //GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR
210
211 INTERNAL_ALPHA8 = 0x803C,
212 INTERNAL_ALPHA16 = 0x803E,
213 INTERNAL_LUMINANCE8 = 0x8040,
214 INTERNAL_LUMINANCE16 = 0x8042,
215 INTERNAL_LUMINANCE8_ALPHA8 = 0x8045,
216 INTERNAL_LUMINANCE16_ALPHA16 = 0x8048,
217
218 INTERNAL_R8_USCALED_GTC = 0xF000,
219 INTERNAL_R8_SSCALED_GTC,
220 INTERNAL_RG8_USCALED_GTC,
221 INTERNAL_RG8_SSCALED_GTC,
222 INTERNAL_RGB8_USCALED_GTC,
223 INTERNAL_RGB8_SSCALED_GTC,
224 INTERNAL_RGBA8_USCALED_GTC,
225 INTERNAL_RGBA8_SSCALED_GTC,
226 INTERNAL_RGB10A2_USCALED_GTC,
227 INTERNAL_RGB10A2_SSCALED_GTC,
228 INTERNAL_R16_USCALED_GTC,
229 INTERNAL_R16_SSCALED_GTC,
230 INTERNAL_RG16_USCALED_GTC,
231 INTERNAL_RG16_SSCALED_GTC,
232 INTERNAL_RGB16_USCALED_GTC,
233 INTERNAL_RGB16_SSCALED_GTC,
234 INTERNAL_RGBA16_USCALED_GTC,
235 INTERNAL_RGBA16_SSCALED_GTC,
236 };
237
238 enum external_format
239 {
240 EXTERNAL_NONE = 0, //GL_NONE
241 EXTERNAL_RED = 0x1903, //GL_RED
242 EXTERNAL_RG = 0x8227, //GL_RG
243 EXTERNAL_RGB= 0x1907, //GL_RGB
244 EXTERNAL_BGR = 0x80E0, //GL_BGR
245 EXTERNAL_RGBA = 0x1908, //GL_RGBA
246 EXTERNAL_BGRA = 0x80E1, //GL_BGRA
247 EXTERNAL_RED_INTEGER = 0x8D94, //GL_RED_INTEGER
248 EXTERNAL_RG_INTEGER = 0x8228, //GL_RG_INTEGER
249 EXTERNAL_RGB_INTEGER = 0x8D98, //GL_RGB_INTEGER
250 EXTERNAL_BGR_INTEGER = 0x8D9A, //GL_BGR_INTEGER
251 EXTERNAL_RGBA_INTEGER = 0x8D99, //GL_RGBA_INTEGER
252 EXTERNAL_BGRA_INTEGER = 0x8D9B, //GL_BGRA_INTEGER
253 EXTERNAL_DEPTH = 0x1902, //GL_DEPTH_COMPONENT
254 EXTERNAL_DEPTH_STENCIL = 0x84F9, //GL_DEPTH_STENCIL
255 EXTERNAL_STENCIL = 0x1901, //GL_STENCIL_INDEX
256
257 EXTERNAL_LUMINANCE = 0x1909, //GL_LUMINANCE
258 EXTERNAL_ALPHA = 0x1906, //GL_ALPHA
259 EXTERNAL_LUMINANCE_ALPHA = 0x190A, //GL_LUMINANCE_ALPHA
260
261 EXTERNAL_SRGB_EXT = 0x8C40, //SRGB_EXT
262 EXTERNAL_SRGB_ALPHA_EXT = 0x8C42 //SRGB_ALPHA_EXT
263 };
264
265 enum type_format
266 {
267 TYPE_NONE = 0, //GL_NONE
268 TYPE_I8 = 0x1400, //GL_BYTE
269 TYPE_U8 = 0x1401, //GL_UNSIGNED_BYTE
270 TYPE_I16 = 0x1402, //GL_SHORT
271 TYPE_U16 = 0x1403, //GL_UNSIGNED_SHORT
272 TYPE_I32 = 0x1404, //GL_INT
273 TYPE_U32 = 0x1405, //GL_UNSIGNED_INT
274 TYPE_I64 = 0x140E, //GL_INT64_ARB
275 TYPE_U64 = 0x140F, //GL_UNSIGNED_INT64_ARB
276 TYPE_F16 = 0x140B, //GL_HALF_FLOAT
277 TYPE_F16_OES = 0x8D61, //GL_HALF_FLOAT_OES
278 TYPE_F32 = 0x1406, //GL_FLOAT
279 TYPE_F64 = 0x140A, //GL_DOUBLE
280 TYPE_UINT32_RGB9_E5_REV = 0x8C3E, //GL_UNSIGNED_INT_5_9_9_9_REV
281 TYPE_UINT32_RG11B10F_REV = 0x8C3B, //GL_UNSIGNED_INT_10F_11F_11F_REV
282 TYPE_UINT8_RG3B2 = 0x8032, //GL_UNSIGNED_BYTE_3_3_2
283 TYPE_UINT8_RG3B2_REV = 0x8362, //GL_UNSIGNED_BYTE_2_3_3_REV
284 TYPE_UINT16_RGB5A1 = 0x8034, //GL_UNSIGNED_SHORT_5_5_5_1
285 TYPE_UINT16_RGB5A1_REV = 0x8366, //GL_UNSIGNED_SHORT_1_5_5_5_REV
286 TYPE_UINT16_R5G6B5 = 0x8363, //GL_UNSIGNED_SHORT_5_6_5
287 TYPE_UINT16_R5G6B5_REV = 0x8364, //GL_UNSIGNED_SHORT_5_6_5_REV
288 TYPE_UINT16_RGBA4 = 0x8033, //GL_UNSIGNED_SHORT_4_4_4_4
289 TYPE_UINT16_RGBA4_REV = 0x8365, //GL_UNSIGNED_SHORT_4_4_4_4_REV
290 TYPE_UINT32_RGBA8 = 0x8035, //GL_UNSIGNED_SHORT_8_8_8_8
291 TYPE_UINT32_RGBA8_REV = 0x8367, //GL_UNSIGNED_SHORT_8_8_8_8_REV
292 TYPE_UINT32_RGB10A2 = 0x8036, //GL_UNSIGNED_INT_10_10_10_2
293 TYPE_UINT32_RGB10A2_REV = 0x8368, //GL_UNSIGNED_INT_2_10_10_10_REV
294
295 TYPE_UINT8_RG4_REV_GTC = 0xFFFD,
296 TYPE_UINT16_A1RGB5_GTC = 0xFFFC
297 };
298
299 enum target
300 {
301 TARGET_1D = 0x0DE0,
302 TARGET_1D_ARRAY = 0x8C18,
303 TARGET_2D = 0x0DE1,
304 TARGET_2D_ARRAY = 0x8C1A,
305 TARGET_3D = 0x806F,
306 TARGET_RECT = 0x84F5,
307 TARGET_RECT_ARRAY = 0x84F5, // Not supported by OpenGL
308 TARGET_CUBE = 0x8513,
309 TARGET_CUBE_ARRAY = 0x9009
310 };
311
312 enum swizzle
313 {
314 SWIZZLE_RED = 0x1903, //GL_RED
315 SWIZZLE_GREEN = 0x1904, //GL_GREEN
316 SWIZZLE_BLUE = 0x1905, //GL_BLUE
317 SWIZZLE_ALPHA = 0x1906, //GL_ALPHA
318 SWIZZLE_ZERO = 0x0000, //GL_ZERO
319 SWIZZLE_ONE = 0x0001, //GL_ONE
320 };
321
322 enum profile
323 {
324 PROFILE_ES20,
325 PROFILE_ES30,
326 PROFILE_GL32,
327 PROFILE_GL33,
328 PROFILE_KTX
329 };
330
331 typedef glm::tvec4<int> swizzles;
332
333 struct format
334 {
335 internal_format Internal;
336 external_format External;
337 type_format Type;
338 swizzles Swizzles;
339 };
340
341 gl(profile Profile);
342
344 target const& translate(gli::target Target) const;
345
347 format translate(gli::format Format, gli::swizzles const& Swizzle) const;
348
350 gli::format find(internal_format InternalFormat, external_format ExternalFormat, type_format Type);
351
352 private:
353 bool use_external_bgra(profile Profile) const
354 {
355 return Profile == PROFILE_ES20 || Profile == PROFILE_GL32 || Profile == PROFILE_KTX;
356 }
357
358 struct format_desc
359 {
360 internal_format Internal;
361 external_format External;
362 type_format Type;
363 unsigned int Properties;
364 };
365
366 std::array<format_desc, FORMAT_COUNT> FormatDesc;
367 profile Profile;
368 };
369 }//namespace gli
370
371 #include "./core/gl.inl"
gli::gl::find
gli::format find(internal_format InternalFormat, external_format ExternalFormat, type_format Type)
Convert an OpenGL format into a GLI format.
gli
Namespace where all the classes and functions provided by GLI are exposed.
Definition: comparison.hpp:15
target.hpp
Include to use the target enum and query properties of targets.
gli::target
target
Texture target: type/shape of the texture storage.
Definition: target.hpp:9
gli::gl
Translation class to convert GLI enums into OpenGL values.
Definition: gl.hpp:13
gli::format
format
Texture data format.
Definition: format.hpp:12
gli::gl::translate
target const & translate(gli::target Target) const
Convert GLI targets into OpenGL texture targets.
format.hpp
Include to use the format enum and query properties of formats.