1 //
2 // Copyright 2014 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 #include "libANGLE/Caps.h"
8
9 #include "common/angleutils.h"
10 #include "common/debug.h"
11
12 #include "libANGLE/formatutils.h"
13
14 #include "angle_gl.h"
15
16 #include <algorithm>
17 #include <sstream>
18
InsertExtensionString(const std::string & extension,bool supported,std::vector<std::string> * extensionVector)19 static void InsertExtensionString(const std::string &extension,
20 bool supported,
21 std::vector<std::string> *extensionVector)
22 {
23 if (supported)
24 {
25 extensionVector->push_back(extension);
26 }
27 }
28
29 namespace gl
30 {
31
32 TextureCaps::TextureCaps() = default;
33
34 TextureCaps::TextureCaps(const TextureCaps &other) = default;
35
36 TextureCaps &TextureCaps::operator=(const TextureCaps &other) = default;
37
38 TextureCaps::~TextureCaps() = default;
39
getMaxSamples() const40 GLuint TextureCaps::getMaxSamples() const
41 {
42 return !sampleCounts.empty() ? *sampleCounts.rbegin() : 0;
43 }
44
getNearestSamples(GLuint requestedSamples) const45 GLuint TextureCaps::getNearestSamples(GLuint requestedSamples) const
46 {
47 if (requestedSamples == 0)
48 {
49 return 0;
50 }
51
52 for (SupportedSampleSet::const_iterator i = sampleCounts.begin(); i != sampleCounts.end(); i++)
53 {
54 GLuint samples = *i;
55 if (samples >= requestedSamples)
56 {
57 return samples;
58 }
59 }
60
61 return 0;
62 }
63
GenerateMinimumTextureCaps(GLenum sizedInternalFormat,const Version & clientVersion,const Extensions & extensions)64 TextureCaps GenerateMinimumTextureCaps(GLenum sizedInternalFormat,
65 const Version &clientVersion,
66 const Extensions &extensions)
67 {
68 TextureCaps caps;
69
70 const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(sizedInternalFormat);
71 caps.texturable = internalFormatInfo.textureSupport(clientVersion, extensions);
72 caps.filterable = internalFormatInfo.filterSupport(clientVersion, extensions);
73 caps.textureAttachment = internalFormatInfo.textureAttachmentSupport(clientVersion, extensions);
74 caps.renderbuffer = internalFormatInfo.renderbufferSupport(clientVersion, extensions);
75 caps.blendable = internalFormatInfo.blendSupport(clientVersion, extensions);
76
77 caps.sampleCounts.insert(0);
78 if (internalFormatInfo.isRequiredRenderbufferFormat(clientVersion))
79 {
80 if ((clientVersion.major >= 3 && clientVersion.minor >= 1) ||
81 (clientVersion.major >= 3 && !internalFormatInfo.isInt()))
82 {
83 caps.sampleCounts.insert(4);
84 }
85 }
86
87 return caps;
88 }
89
TextureCapsMap()90 TextureCapsMap::TextureCapsMap() {}
91
~TextureCapsMap()92 TextureCapsMap::~TextureCapsMap() {}
93
insert(GLenum internalFormat,const TextureCaps & caps)94 void TextureCapsMap::insert(GLenum internalFormat, const TextureCaps &caps)
95 {
96 angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat);
97 get(formatID) = caps;
98 }
99
clear()100 void TextureCapsMap::clear()
101 {
102 mFormatData.fill(TextureCaps());
103 }
104
get(GLenum internalFormat) const105 const TextureCaps &TextureCapsMap::get(GLenum internalFormat) const
106 {
107 angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat);
108 return get(formatID);
109 }
110
get(angle::FormatID formatID) const111 const TextureCaps &TextureCapsMap::get(angle::FormatID formatID) const
112 {
113 return mFormatData[formatID];
114 }
115
get(angle::FormatID formatID)116 TextureCaps &TextureCapsMap::get(angle::FormatID formatID)
117 {
118 return mFormatData[formatID];
119 }
120
set(angle::FormatID formatID,const TextureCaps & caps)121 void TextureCapsMap::set(angle::FormatID formatID, const TextureCaps &caps)
122 {
123 get(formatID) = caps;
124 }
125
InitMinimumTextureCapsMap(const Version & clientVersion,const Extensions & extensions,TextureCapsMap * capsMap)126 void InitMinimumTextureCapsMap(const Version &clientVersion,
127 const Extensions &extensions,
128 TextureCapsMap *capsMap)
129 {
130 for (GLenum internalFormat : GetAllSizedInternalFormats())
131 {
132 capsMap->insert(internalFormat,
133 GenerateMinimumTextureCaps(internalFormat, clientVersion, extensions));
134 }
135 }
136
137 Extensions::Extensions() = default;
138
139 Extensions::Extensions(const Extensions &other) = default;
140
141 Extensions &Extensions::operator=(const Extensions &other) = default;
142
getStrings() const143 std::vector<std::string> Extensions::getStrings() const
144 {
145 std::vector<std::string> extensionStrings;
146
147 for (const auto &extensionInfo : GetExtensionInfoMap())
148 {
149 if (this->*(extensionInfo.second.ExtensionsMember))
150 {
151 extensionStrings.push_back(extensionInfo.first);
152 }
153 }
154
155 return extensionStrings;
156 }
157
158 Limitations::Limitations() = default;
159 Limitations::Limitations(const Limitations &other) = default;
160
161 Limitations &Limitations::operator=(const Limitations &other) = default;
162
GetFormatSupportBase(const TextureCapsMap & textureCaps,const GLenum * requiredFormats,size_t requiredFormatsSize,bool requiresTexturing,bool requiresFiltering,bool requiresAttachingTexture,bool requiresRenderbufferSupport,bool requiresBlending)163 static bool GetFormatSupportBase(const TextureCapsMap &textureCaps,
164 const GLenum *requiredFormats,
165 size_t requiredFormatsSize,
166 bool requiresTexturing,
167 bool requiresFiltering,
168 bool requiresAttachingTexture,
169 bool requiresRenderbufferSupport,
170 bool requiresBlending)
171 {
172 for (size_t i = 0; i < requiredFormatsSize; i++)
173 {
174 const TextureCaps &cap = textureCaps.get(requiredFormats[i]);
175 if (requiresTexturing && !cap.texturable)
176 {
177 return false;
178 }
179
180 if (requiresFiltering && !cap.filterable)
181 {
182 return false;
183 }
184
185 if (requiresAttachingTexture && !cap.textureAttachment)
186 {
187 return false;
188 }
189
190 if (requiresRenderbufferSupport && !cap.renderbuffer)
191 {
192 return false;
193 }
194
195 if (requiresBlending && !cap.blendable)
196 {
197 return false;
198 }
199 }
200
201 return true;
202 }
203
204 template <size_t N>
GetFormatSupport(const TextureCapsMap & textureCaps,const GLenum (& requiredFormats)[N],bool requiresTexturing,bool requiresFiltering,bool requiresAttachingTexture,bool requiresRenderbufferSupport,bool requiresBlending)205 static bool GetFormatSupport(const TextureCapsMap &textureCaps,
206 const GLenum (&requiredFormats)[N],
207 bool requiresTexturing,
208 bool requiresFiltering,
209 bool requiresAttachingTexture,
210 bool requiresRenderbufferSupport,
211 bool requiresBlending)
212 {
213 return GetFormatSupportBase(textureCaps, requiredFormats, N, requiresTexturing,
214 requiresFiltering, requiresAttachingTexture,
215 requiresRenderbufferSupport, requiresBlending);
216 }
217
218 // Check for GL_OES_packed_depth_stencil support
DeterminePackedDepthStencilSupport(const TextureCapsMap & textureCaps)219 static bool DeterminePackedDepthStencilSupport(const TextureCapsMap &textureCaps)
220 {
221 constexpr GLenum requiredFormats[] = {
222 GL_DEPTH24_STENCIL8,
223 };
224
225 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
226 }
227
228 // Checks for GL_NV_read_depth support
DetermineReadDepthSupport(const TextureCapsMap & textureCaps)229 static bool DetermineReadDepthSupport(const TextureCapsMap &textureCaps)
230 {
231 constexpr GLenum requiredFormats[] = {
232 GL_DEPTH_COMPONENT16,
233 };
234
235 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
236 }
237
238 // Checks for GL_NV_read_stencil support
DetermineReadStencilSupport(const TextureCapsMap & textureCaps)239 static bool DetermineReadStencilSupport(const TextureCapsMap &textureCaps)
240 {
241 constexpr GLenum requiredFormats[] = {
242 GL_STENCIL_INDEX8,
243 };
244
245 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, false, false);
246 }
247
248 // Checks for GL_NV_depth_buffer_float2 support
DetermineDepthBufferFloat2Support(const TextureCapsMap & textureCaps)249 static bool DetermineDepthBufferFloat2Support(const TextureCapsMap &textureCaps)
250 {
251 constexpr GLenum requiredFormats[] = {
252 GL_DEPTH_COMPONENT32F,
253 GL_DEPTH32F_STENCIL8,
254 };
255
256 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
257 }
258
259 // Checks for GL_OES_rgb8_rgba8 support
DetermineRGB8AndRGBA8TextureSupport(const TextureCapsMap & textureCaps)260 static bool DetermineRGB8AndRGBA8TextureSupport(const TextureCapsMap &textureCaps)
261 {
262 constexpr GLenum requiredFormats[] = {
263 GL_RGB8,
264 GL_RGBA8,
265 };
266
267 return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
268 }
269
270 // Checks for GL_EXT_texture_format_BGRA8888 support
DetermineBGRA8TextureSupport(const TextureCapsMap & textureCaps)271 static bool DetermineBGRA8TextureSupport(const TextureCapsMap &textureCaps)
272 {
273 constexpr GLenum requiredFormats[] = {
274 GL_BGRA8_EXT,
275 };
276
277 return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
278 }
279
280 // Checks for GL_EXT_read_format_bgra support
DetermineBGRAReadFormatSupport(const TextureCapsMap & textureCaps)281 static bool DetermineBGRAReadFormatSupport(const TextureCapsMap &textureCaps)
282 {
283 constexpr GLenum requiredFormats[] = {
284 GL_BGRA8_EXT,
285 // TODO(http://anglebug.com/4302): GL_EXT_read_format_bgra specifies 2 more types, which are
286 // currently ignored. The equivalent formats would be: GL_BGRA4_ANGLEX, GL_BGR5_A1_ANGLEX
287 };
288
289 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
290 }
291
292 // Checks for GL_OES_color_buffer_half_float support
DetermineColorBufferHalfFloatSupport(const TextureCapsMap & textureCaps)293 static bool DetermineColorBufferHalfFloatSupport(const TextureCapsMap &textureCaps)
294 {
295 // EXT_color_buffer_half_float issue #2 states that an implementation doesn't need to support
296 // rendering to any of the formats but is expected to be able to render to at least one. WebGL
297 // requires that at least RGBA16F is renderable so we make the same requirement.
298 constexpr GLenum requiredFormats[] = {
299 GL_RGBA16F,
300 };
301
302 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
303 }
304
305 // Checks for GL_OES_texture_half_float support
DetermineHalfFloatTextureSupport(const TextureCapsMap & textureCaps)306 static bool DetermineHalfFloatTextureSupport(const TextureCapsMap &textureCaps)
307 {
308 constexpr GLenum requiredFormats[] = {
309 GL_RGBA16F, GL_RGB16F, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT, GL_ALPHA16F_EXT,
310 };
311
312 return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
313 }
314
315 // Checks for GL_OES_texture_half_float_linear support
DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap & textureCaps,bool checkLegacyFormats)316 static bool DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
317 bool checkLegacyFormats)
318 {
319 constexpr GLenum requiredFormats[] = {GL_RGBA16F, GL_RGB16F};
320 // If GL_OES_texture_half_float is present, this extension must also support legacy formats
321 // introduced by that extension
322 constexpr GLenum requiredFormatsES2[] = {GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT,
323 GL_ALPHA16F_EXT};
324
325 if (checkLegacyFormats &&
326 !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false))
327 {
328 return false;
329 }
330
331 return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false);
332 }
333
334 // Checks for GL_OES_texture_float support
DetermineFloatTextureSupport(const TextureCapsMap & textureCaps)335 static bool DetermineFloatTextureSupport(const TextureCapsMap &textureCaps)
336 {
337 constexpr GLenum requiredFormats[] = {
338 GL_RGBA32F, GL_RGB32F, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE32F_EXT, GL_ALPHA32F_EXT,
339 };
340
341 return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
342 }
343
344 // Checks for GL_OES_texture_float_linear support
DetermineFloatTextureFilteringSupport(const TextureCapsMap & textureCaps,bool checkLegacyFormats)345 static bool DetermineFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
346 bool checkLegacyFormats)
347 {
348 constexpr GLenum requiredFormats[] = {
349 GL_RGBA32F,
350 GL_RGB32F,
351 };
352 // If GL_OES_texture_float is present, this extension must also support legacy formats
353 // introduced by that extension
354 constexpr GLenum requiredFormatsES2[] = {
355 GL_LUMINANCE_ALPHA32F_EXT,
356 GL_LUMINANCE32F_EXT,
357 GL_ALPHA32F_EXT,
358 };
359
360 if (checkLegacyFormats &&
361 !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false))
362 {
363 return false;
364 }
365
366 return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false);
367 }
368
369 // Checks for GL_EXT_texture_rg support
DetermineRGTextureSupport(const TextureCapsMap & textureCaps,bool checkHalfFloatFormats,bool checkFloatFormats)370 static bool DetermineRGTextureSupport(const TextureCapsMap &textureCaps,
371 bool checkHalfFloatFormats,
372 bool checkFloatFormats)
373 {
374 constexpr GLenum requiredFormats[] = {
375 GL_R8,
376 GL_RG8,
377 };
378 constexpr GLenum requiredHalfFloatFormats[] = {
379 GL_R16F,
380 GL_RG16F,
381 };
382 constexpr GLenum requiredFloatFormats[] = {
383 GL_R32F,
384 GL_RG32F,
385 };
386
387 if (checkHalfFloatFormats &&
388 !GetFormatSupport(textureCaps, requiredHalfFloatFormats, true, false, false, false, false))
389 {
390 return false;
391 }
392
393 if (checkFloatFormats &&
394 !GetFormatSupport(textureCaps, requiredFloatFormats, true, false, false, false, false))
395 {
396 return false;
397 }
398
399 return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
400 }
401
DetermineTextureFormat2101010Support(const TextureCapsMap & textureCaps)402 static bool DetermineTextureFormat2101010Support(const TextureCapsMap &textureCaps)
403 {
404 // GL_EXT_texture_type_2_10_10_10_REV specifies both RGBA and RGB support whereas desktop GL
405 // only specifies RGBA support, so check both RGBA and RGB before marking as supported.
406 constexpr GLenum requiredFormats[] = {
407 GL_RGB10_A2,
408 GL_RGB10_UNORM_ANGLEX,
409 };
410
411 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
412 }
413
414 // Check for GL_EXT_texture_compression_dxt1 support
DetermineDXT1TextureSupport(const TextureCapsMap & textureCaps)415 static bool DetermineDXT1TextureSupport(const TextureCapsMap &textureCaps)
416 {
417 constexpr GLenum requiredFormats[] = {
418 GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
419 GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
420 };
421
422 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
423 }
424
425 // Check for GL_ANGLE_texture_compression_dxt3 support
DetermineDXT3TextureSupport(const TextureCapsMap & textureCaps)426 static bool DetermineDXT3TextureSupport(const TextureCapsMap &textureCaps)
427 {
428 constexpr GLenum requiredFormats[] = {
429 GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,
430 };
431
432 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
433 }
434
435 // Check for GL_ANGLE_texture_compression_dxt5 support
DetermineDXT5TextureSupport(const TextureCapsMap & textureCaps)436 static bool DetermineDXT5TextureSupport(const TextureCapsMap &textureCaps)
437 {
438 constexpr GLenum requiredFormats[] = {
439 GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,
440 };
441
442 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
443 }
444
445 // Check for GL_EXT_texture_compression_s3tc_srgb support
DetermineS3TCsRGBTextureSupport(const TextureCapsMap & textureCaps)446 static bool DetermineS3TCsRGBTextureSupport(const TextureCapsMap &textureCaps)
447 {
448 constexpr GLenum requiredFormats[] = {
449 GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,
450 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,
451 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,
452 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
453 };
454
455 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
456 }
457
458 // Check for GL_KHR_texture_compression_astc_ldr support
DetermineASTCLDRTextureSupport(const TextureCapsMap & textureCaps)459 static bool DetermineASTCLDRTextureSupport(const TextureCapsMap &textureCaps)
460 {
461 constexpr GLenum requiredFormats[] = {
462 GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
463 GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
464 GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
465 GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
466 GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
467 GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
468 GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
469 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
470 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
471 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
472 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
473 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
474 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
475 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
476 };
477
478 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
479 }
480
481 // Check for GL_OES_texture_compression_astc support
DetermineASTCOESTExtureSupport(const TextureCapsMap & textureCaps)482 static bool DetermineASTCOESTExtureSupport(const TextureCapsMap &textureCaps)
483 {
484 if (!DetermineASTCLDRTextureSupport(textureCaps))
485 {
486 return false;
487 }
488
489 // The OES version of the extension also requires the 3D ASTC formats
490 constexpr GLenum requiredFormats[] = {
491 GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES,
492 GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES,
493 GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES,
494 GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES,
495 GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES,
496 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES,
497 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES,
498 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES,
499 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES,
500 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES,
501 };
502
503 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
504 }
505
506 // Check for GL_ETC1_RGB8_OES support
DetermineETC1RGB8TextureSupport(const TextureCapsMap & textureCaps)507 static bool DetermineETC1RGB8TextureSupport(const TextureCapsMap &textureCaps)
508 {
509 constexpr GLenum requiredFormats[] = {
510 GL_ETC1_RGB8_OES,
511 };
512
513 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
514 }
515
516 // Check for OES_compressed_ETC2_RGB8_texture support
DetermineETC2RGB8TextureSupport(const TextureCapsMap & textureCaps)517 static bool DetermineETC2RGB8TextureSupport(const TextureCapsMap &textureCaps)
518 {
519 constexpr GLenum requiredFormats[] = {
520 GL_COMPRESSED_RGB8_ETC2,
521 };
522
523 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
524 }
525
526 // Check for OES_compressed_ETC2_sRGB8_texture support
DetermineETC2sRGB8TextureSupport(const TextureCapsMap & textureCaps)527 static bool DetermineETC2sRGB8TextureSupport(const TextureCapsMap &textureCaps)
528 {
529 constexpr GLenum requiredFormats[] = {
530 GL_COMPRESSED_SRGB8_ETC2,
531 };
532
533 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
534 }
535
536 // Check for OES_compressed_ETC2_punchthroughA_RGBA8_texture support
DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap & textureCaps)537 static bool DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap &textureCaps)
538 {
539 constexpr GLenum requiredFormats[] = {
540 GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
541 };
542
543 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
544 }
545
546 // Check for OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture support
DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap & textureCaps)547 static bool DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap &textureCaps)
548 {
549 constexpr GLenum requiredFormats[] = {
550 GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
551 };
552
553 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
554 }
555
556 // Check for OES_compressed_ETC2_RGBA8_texture support
DetermineETC2RGBA8TextureSupport(const TextureCapsMap & textureCaps)557 static bool DetermineETC2RGBA8TextureSupport(const TextureCapsMap &textureCaps)
558 {
559 constexpr GLenum requiredFormats[] = {
560 GL_COMPRESSED_RGBA8_ETC2_EAC,
561 };
562
563 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
564 }
565
566 // Check for OES_compressed_ETC2_sRGB8_alpha8_texture support
DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap & textureCaps)567 static bool DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap &textureCaps)
568 {
569 constexpr GLenum requiredFormats[] = {
570 GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
571 };
572
573 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
574 }
575
576 // Check for OES_compressed_EAC_R11_unsigned_texture support
DetermineEACR11UnsignedTextureSupport(const TextureCapsMap & textureCaps)577 static bool DetermineEACR11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
578 {
579 constexpr GLenum requiredFormats[] = {
580 GL_COMPRESSED_R11_EAC,
581 };
582
583 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
584 }
585
586 // Check for OES_compressed_EAC_R11_signed_texture support
DetermineEACR11SignedTextureSupport(const TextureCapsMap & textureCaps)587 static bool DetermineEACR11SignedTextureSupport(const TextureCapsMap &textureCaps)
588 {
589 constexpr GLenum requiredFormats[] = {
590 GL_COMPRESSED_SIGNED_R11_EAC,
591 };
592
593 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
594 }
595
596 // Check for OES_compressed_EAC_RG11_unsigned_texture support
DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap & textureCaps)597 static bool DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
598 {
599 constexpr GLenum requiredFormats[] = {
600 GL_COMPRESSED_RG11_EAC,
601 };
602
603 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
604 }
605
606 // Check for OES_compressed_EAC_RG11_signed_texture support
DetermineEACRG11SignedTextureSupport(const TextureCapsMap & textureCaps)607 static bool DetermineEACRG11SignedTextureSupport(const TextureCapsMap &textureCaps)
608 {
609 constexpr GLenum requiredFormats[] = {
610 GL_COMPRESSED_SIGNED_RG11_EAC,
611 };
612
613 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
614 }
615
616 // Check for GL_EXT_sRGB support
DetermineSRGBTextureSupport(const TextureCapsMap & textureCaps)617 static bool DetermineSRGBTextureSupport(const TextureCapsMap &textureCaps)
618 {
619 constexpr GLenum requiredFilterFormats[] = {
620 GL_SRGB8,
621 GL_SRGB8_ALPHA8,
622 };
623
624 constexpr GLenum requiredRenderFormats[] = {
625 GL_SRGB8_ALPHA8,
626 };
627
628 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
629 GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
630 }
631
632 // Check for GL_EXT_texture_sRGB_R8 support
DetermineSRGBR8TextureSupport(const TextureCapsMap & textureCaps)633 static bool DetermineSRGBR8TextureSupport(const TextureCapsMap &textureCaps)
634 {
635 constexpr GLenum requiredFilterFormats[] = {GL_SR8_EXT};
636
637 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
638 }
639
640 // Check for GL_EXT_texture_sRGB_RG8 support
DetermineSRGBRG8TextureSupport(const TextureCapsMap & textureCaps)641 static bool DetermineSRGBRG8TextureSupport(const TextureCapsMap &textureCaps)
642 {
643 constexpr GLenum requiredFilterFormats[] = {GL_SRG8_EXT};
644
645 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
646 }
647
648 // Check for GL_ANGLE_depth_texture support
DetermineDepthTextureANGLESupport(const TextureCapsMap & textureCaps)649 static bool DetermineDepthTextureANGLESupport(const TextureCapsMap &textureCaps)
650 {
651 constexpr GLenum requiredFormats[] = {
652 GL_DEPTH_COMPONENT16,
653 #if !ANGLE_PLATFORM_IOS_FAMILY
654 // anglebug.com/6082
655 // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
656 // because it is not supported on iOS.
657 // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
658 GL_DEPTH_COMPONENT32_OES,
659 #endif
660 GL_DEPTH24_STENCIL8_OES,
661 };
662
663 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
664 }
665
666 // Check for GL_OES_depth_texture support
DetermineDepthTextureOESSupport(const TextureCapsMap & textureCaps)667 static bool DetermineDepthTextureOESSupport(const TextureCapsMap &textureCaps)
668 {
669 constexpr GLenum requiredFormats[] = {
670 GL_DEPTH_COMPONENT16,
671 #if !ANGLE_PLATFORM_IOS_FAMILY
672 // anglebug.com/6082
673 // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
674 // because it is not supported on iOS.
675 // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
676 GL_DEPTH_COMPONENT32_OES,
677 #endif
678 };
679
680 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
681 }
682
683 // Check for GL_OES_depth24
DetermineDepth24OESSupport(const TextureCapsMap & textureCaps)684 static bool DetermineDepth24OESSupport(const TextureCapsMap &textureCaps)
685 {
686 constexpr GLenum requiredFormats[] = {
687 GL_DEPTH_COMPONENT24_OES,
688 };
689
690 return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
691 }
692
693 // Check for GL_OES_depth32 support
DetermineDepth32Support(const TextureCapsMap & textureCaps)694 static bool DetermineDepth32Support(const TextureCapsMap &textureCaps)
695 {
696 constexpr GLenum requiredFormats[] = {
697 GL_DEPTH_COMPONENT32_OES,
698 };
699
700 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
701 }
702
703 // Check for GL_CHROMIUM_color_buffer_float_rgb support
DetermineColorBufferFloatRGBSupport(const TextureCapsMap & textureCaps)704 static bool DetermineColorBufferFloatRGBSupport(const TextureCapsMap &textureCaps)
705 {
706 constexpr GLenum requiredFormats[] = {
707 GL_RGB32F,
708 };
709
710 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
711 }
712
713 // Check for GL_CHROMIUM_color_buffer_float_rgba support
DetermineColorBufferFloatRGBASupport(const TextureCapsMap & textureCaps)714 static bool DetermineColorBufferFloatRGBASupport(const TextureCapsMap &textureCaps)
715 {
716 constexpr GLenum requiredFormats[] = {
717 GL_RGBA32F,
718 };
719
720 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
721 }
722
723 // Check for GL_EXT_color_buffer_float support
DetermineColorBufferFloatSupport(const TextureCapsMap & textureCaps)724 static bool DetermineColorBufferFloatSupport(const TextureCapsMap &textureCaps)
725 {
726 constexpr GLenum nonBlendableFormats[] = {
727 GL_R32F,
728 GL_RG32F,
729 GL_RGBA32F,
730 };
731
732 constexpr GLenum blendableFormats[] = {
733 GL_R16F,
734 GL_RG16F,
735 GL_RGBA16F,
736 GL_R11F_G11F_B10F,
737 };
738
739 return GetFormatSupport(textureCaps, nonBlendableFormats, true, false, true, true, false) &&
740 GetFormatSupport(textureCaps, blendableFormats, true, false, true, true, true);
741 }
742
743 // Check for GL_EXT_float_blend support
DetermineFloatBlendSupport(const TextureCapsMap & textureCaps)744 static bool DetermineFloatBlendSupport(const TextureCapsMap &textureCaps)
745 {
746 constexpr GLenum requiredFormats[] = {
747 GL_R32F,
748 GL_RG32F,
749 GL_RGBA32F,
750 };
751
752 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, true);
753 }
754
755 // Check for GL_EXT_texture_norm16 support
DetermineTextureNorm16Support(const TextureCapsMap & textureCaps)756 static bool DetermineTextureNorm16Support(const TextureCapsMap &textureCaps)
757 {
758 constexpr GLenum requiredFilterFormats[] = {
759 GL_R16_EXT, GL_RG16_EXT, GL_RGB16_EXT, GL_RGBA16_EXT,
760 GL_R16_SNORM_EXT, GL_RG16_SNORM_EXT, GL_RGB16_SNORM_EXT, GL_RGBA16_SNORM_EXT,
761 };
762
763 constexpr GLenum requiredRenderFormats[] = {
764 GL_R16_EXT,
765 GL_RG16_EXT,
766 GL_RGBA16_EXT,
767 };
768
769 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
770 GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
771 }
772
773 // Check for EXT_texture_compression_rgtc support
DetermineRGTCTextureSupport(const TextureCapsMap & textureCaps)774 static bool DetermineRGTCTextureSupport(const TextureCapsMap &textureCaps)
775 {
776 constexpr GLenum requiredFormats[] = {
777 GL_COMPRESSED_RED_RGTC1_EXT, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,
778 GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT};
779
780 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
781 }
782
783 // Check for EXT_texture_compression_bptc support
DetermineBPTCTextureSupport(const TextureCapsMap & textureCaps)784 static bool DetermineBPTCTextureSupport(const TextureCapsMap &textureCaps)
785 {
786 constexpr GLenum requiredFormats[] = {
787 GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT,
788 GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT};
789
790 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
791 }
792
793 // Check for GL_IMG_texture_compression_pvrtc support
DeterminePVRTCTextureSupport(const TextureCapsMap & textureCaps)794 static bool DeterminePVRTCTextureSupport(const TextureCapsMap &textureCaps)
795 {
796 constexpr GLenum requiredFormats[] = {
797 GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,
798 GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG};
799
800 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
801 }
802
803 // Check for GL_EXT_pvrtc_sRGB support
DeterminePVRTCsRGBTextureSupport(const TextureCapsMap & textureCaps)804 static bool DeterminePVRTCsRGBTextureSupport(const TextureCapsMap &textureCaps)
805 {
806 constexpr GLenum requiredFormats[] = {
807 GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT,
808 GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT};
809
810 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
811 }
812
DetermineCompressedTextureETCSupport(const TextureCapsMap & textureCaps)813 bool DetermineCompressedTextureETCSupport(const TextureCapsMap &textureCaps)
814 {
815 constexpr GLenum requiredFormats[] = {GL_COMPRESSED_R11_EAC,
816 GL_COMPRESSED_SIGNED_R11_EAC,
817 GL_COMPRESSED_RG11_EAC,
818 GL_COMPRESSED_SIGNED_RG11_EAC,
819 GL_COMPRESSED_RGB8_ETC2,
820 GL_COMPRESSED_SRGB8_ETC2,
821 GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
822 GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
823 GL_COMPRESSED_RGBA8_ETC2_EAC,
824 GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC};
825
826 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
827 }
828
829 // Checks for GL_OES_texture_stencil8 support
DetermineStencilIndex8Support(const TextureCapsMap & textureCaps)830 static bool DetermineStencilIndex8Support(const TextureCapsMap &textureCaps)
831 {
832 constexpr GLenum requiredFormats[] = {
833 GL_STENCIL_INDEX8,
834 };
835
836 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
837 }
838
839 // Checks for GL_QCOM_render_shared_exponent support
DetermineRenderSharedExponentSupport(const TextureCapsMap & textureCaps)840 static bool DetermineRenderSharedExponentSupport(const TextureCapsMap &textureCaps)
841 {
842 constexpr GLenum requiredFormats[] = {
843 GL_RGB9_E5,
844 };
845
846 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, true);
847 }
848
DetermineRenderSnormSupport(const TextureCapsMap & textureCaps,bool textureNorm16EXT)849 static bool DetermineRenderSnormSupport(const TextureCapsMap &textureCaps, bool textureNorm16EXT)
850 {
851 constexpr GLenum requiredSnorm8Formats[] = {
852 GL_R8_SNORM,
853 GL_RG8_SNORM,
854 GL_RGBA8_SNORM,
855 };
856
857 constexpr GLenum requiredSnorm16Formats[] = {
858 GL_R16_SNORM_EXT,
859 GL_RG16_SNORM_EXT,
860 GL_RGBA16_SNORM_EXT,
861 };
862
863 if (textureNorm16EXT &&
864 !GetFormatSupport(textureCaps, requiredSnorm16Formats, false, false, true, true, true))
865 {
866 return false;
867 }
868
869 return GetFormatSupport(textureCaps, requiredSnorm8Formats, false, false, true, true, true);
870 }
871
setTextureExtensionSupport(const TextureCapsMap & textureCaps)872 void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps)
873 {
874 // TODO(ynovikov): rgb8Rgba8OES, colorBufferHalfFloatEXT, textureHalfFloatOES,
875 // textureHalfFloatLinearOES, textureFloatOES, textureFloatLinearOES, textureRgEXT, sRGB,
876 // colorBufferFloatRgbCHROMIUM, colorBufferFloatRgbaCHROMIUM and colorBufferFloatEXT were
877 // verified. Verify the rest.
878 packedDepthStencilOES = DeterminePackedDepthStencilSupport(textureCaps);
879 rgb8Rgba8OES = DetermineRGB8AndRGBA8TextureSupport(textureCaps);
880 readDepthNV = DetermineReadDepthSupport(textureCaps);
881 readStencilNV = DetermineReadStencilSupport(textureCaps);
882 depthBufferFloat2NV = DetermineDepthBufferFloat2Support(textureCaps);
883 textureFormatBGRA8888EXT = DetermineBGRA8TextureSupport(textureCaps);
884 readFormatBgraEXT = DetermineBGRAReadFormatSupport(textureCaps);
885 textureHalfFloatOES = DetermineHalfFloatTextureSupport(textureCaps);
886 textureHalfFloatLinearOES =
887 DetermineHalfFloatTextureFilteringSupport(textureCaps, textureHalfFloatOES);
888 textureFloatOES = DetermineFloatTextureSupport(textureCaps);
889 textureFloatLinearOES = DetermineFloatTextureFilteringSupport(textureCaps, textureFloatOES);
890 textureRgEXT = DetermineRGTextureSupport(textureCaps, textureHalfFloatOES, textureFloatOES);
891 colorBufferHalfFloatEXT =
892 textureHalfFloatOES && DetermineColorBufferHalfFloatSupport(textureCaps);
893 textureType2101010REVEXT = DetermineTextureFormat2101010Support(textureCaps);
894 textureCompressionDxt1EXT = DetermineDXT1TextureSupport(textureCaps);
895 textureCompressionDxt3ANGLE = DetermineDXT3TextureSupport(textureCaps);
896 textureCompressionDxt5ANGLE = DetermineDXT5TextureSupport(textureCaps);
897 textureCompressionS3tcSrgbEXT = DetermineS3TCsRGBTextureSupport(textureCaps);
898 textureCompressionAstcLdrKHR = DetermineASTCLDRTextureSupport(textureCaps);
899 textureCompressionAstcOES = DetermineASTCOESTExtureSupport(textureCaps);
900 compressedETC1RGB8TextureOES = DetermineETC1RGB8TextureSupport(textureCaps);
901 compressedETC2RGB8TextureOES = DetermineETC2RGB8TextureSupport(textureCaps);
902 compressedETC2SRGB8TextureOES = DetermineETC2sRGB8TextureSupport(textureCaps);
903 compressedETC2PunchthroughARGBA8TextureOES =
904 DetermineETC2PunchthroughARGB8TextureSupport(textureCaps);
905 compressedETC2PunchthroughASRGB8AlphaTextureOES =
906 DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(textureCaps);
907 compressedETC2RGBA8TextureOES = DetermineETC2RGBA8TextureSupport(textureCaps);
908 compressedETC2SRGB8Alpha8TextureOES = DetermineETC2sRGB8Alpha8TextureSupport(textureCaps);
909 compressedEACR11UnsignedTextureOES = DetermineEACR11UnsignedTextureSupport(textureCaps);
910 compressedEACR11SignedTextureOES = DetermineEACR11SignedTextureSupport(textureCaps);
911 compressedEACRG11UnsignedTextureOES = DetermineEACRG11UnsignedTextureSupport(textureCaps);
912 compressedEACRG11SignedTextureOES = DetermineEACRG11SignedTextureSupport(textureCaps);
913 sRGBEXT = DetermineSRGBTextureSupport(textureCaps);
914 textureSRGBR8EXT = DetermineSRGBR8TextureSupport(textureCaps);
915 textureSRGBRG8EXT = DetermineSRGBRG8TextureSupport(textureCaps);
916 depthTextureANGLE = DetermineDepthTextureANGLESupport(textureCaps);
917 depthTextureOES = DetermineDepthTextureOESSupport(textureCaps);
918 depth24OES = DetermineDepth24OESSupport(textureCaps);
919 depth32OES = DetermineDepth32Support(textureCaps);
920 colorBufferFloatRgbCHROMIUM = DetermineColorBufferFloatRGBSupport(textureCaps);
921 colorBufferFloatRgbaCHROMIUM = DetermineColorBufferFloatRGBASupport(textureCaps);
922 colorBufferFloatEXT = DetermineColorBufferFloatSupport(textureCaps);
923 floatBlendEXT = DetermineFloatBlendSupport(textureCaps);
924 textureNorm16EXT = DetermineTextureNorm16Support(textureCaps);
925 textureCompressionRgtcEXT = DetermineRGTCTextureSupport(textureCaps);
926 textureCompressionBptcEXT = DetermineBPTCTextureSupport(textureCaps);
927 textureCompressionPvrtcIMG = DeterminePVRTCTextureSupport(textureCaps);
928 pvrtcSRGBEXT = DeterminePVRTCsRGBTextureSupport(textureCaps);
929 textureStencil8OES = DetermineStencilIndex8Support(textureCaps);
930 renderSharedExponentQCOM = DetermineRenderSharedExponentSupport(textureCaps);
931 renderSnormEXT = DetermineRenderSnormSupport(textureCaps, textureNorm16EXT);
932 }
933
934 TypePrecision::TypePrecision() = default;
935
936 TypePrecision::TypePrecision(const TypePrecision &other) = default;
937
938 TypePrecision &TypePrecision::operator=(const TypePrecision &other) = default;
939
setIEEEFloat()940 void TypePrecision::setIEEEFloat()
941 {
942 range = {{127, 127}};
943 precision = 23;
944 }
945
setIEEEHalfFloat()946 void TypePrecision::setIEEEHalfFloat()
947 {
948 range = {{15, 15}};
949 precision = 10;
950 }
951
setTwosComplementInt(unsigned int bits)952 void TypePrecision::setTwosComplementInt(unsigned int bits)
953 {
954 range = {{static_cast<GLint>(bits) - 1, static_cast<GLint>(bits) - 2}};
955 precision = 0;
956 }
957
setSimulatedFloat(unsigned int r,unsigned int p)958 void TypePrecision::setSimulatedFloat(unsigned int r, unsigned int p)
959 {
960 range = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
961 precision = static_cast<GLint>(p);
962 }
963
setSimulatedInt(unsigned int r)964 void TypePrecision::setSimulatedInt(unsigned int r)
965 {
966 range = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
967 precision = 0;
968 }
969
get(GLint * returnRange,GLint * returnPrecision) const970 void TypePrecision::get(GLint *returnRange, GLint *returnPrecision) const
971 {
972 std::copy(range.begin(), range.end(), returnRange);
973 *returnPrecision = precision;
974 }
975
976 Caps::Caps() = default;
977 Caps::Caps(const Caps &other) = default;
978 Caps::~Caps() = default;
979 Caps &Caps::operator=(const Caps &other) = default;
980
GenerateMinimumCaps(const Version & clientVersion,const Extensions & extensions)981 Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions)
982 {
983 Caps caps;
984
985 // GLES1 emulation (Minimums taken from Table 6.20 / 6.22 (ES 1.1 spec))
986 if (clientVersion < Version(2, 0))
987 {
988 caps.maxMultitextureUnits = 2;
989 caps.maxLights = 8;
990 caps.maxClipPlanes = 1;
991
992 caps.maxModelviewMatrixStackDepth = 16;
993 caps.maxProjectionMatrixStackDepth = 2;
994 caps.maxTextureMatrixStackDepth = 2;
995
996 caps.minSmoothPointSize = 1.0f;
997 caps.maxSmoothPointSize = 1.0f;
998 }
999
1000 if (clientVersion >= Version(2, 0))
1001 {
1002 // Table 6.18
1003 caps.max2DTextureSize = 64;
1004 caps.maxCubeMapTextureSize = 16;
1005 caps.maxViewportWidth = caps.max2DTextureSize;
1006 caps.maxViewportHeight = caps.max2DTextureSize;
1007 caps.minAliasedPointSize = 1;
1008 caps.maxAliasedPointSize = 1;
1009 caps.minAliasedLineWidth = 1;
1010 caps.maxAliasedLineWidth = 1;
1011
1012 // Table 6.19
1013 caps.vertexHighpFloat.setSimulatedFloat(62, 16);
1014 caps.vertexMediumpFloat.setSimulatedFloat(14, 10);
1015 caps.vertexLowpFloat.setSimulatedFloat(1, 8);
1016 caps.vertexHighpInt.setSimulatedInt(16);
1017 caps.vertexMediumpInt.setSimulatedInt(10);
1018 caps.vertexLowpInt.setSimulatedInt(8);
1019 caps.fragmentHighpFloat.setSimulatedFloat(62, 16);
1020 caps.fragmentMediumpFloat.setSimulatedFloat(14, 10);
1021 caps.fragmentLowpFloat.setSimulatedFloat(1, 8);
1022 caps.fragmentHighpInt.setSimulatedInt(16);
1023 caps.fragmentMediumpInt.setSimulatedInt(10);
1024 caps.fragmentLowpInt.setSimulatedInt(8);
1025
1026 // Table 6.20
1027 caps.maxVertexAttributes = 8;
1028 caps.maxVertexUniformVectors = 128;
1029 caps.maxVaryingVectors = 8;
1030 caps.maxCombinedTextureImageUnits = 8;
1031 caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 8;
1032 caps.maxFragmentUniformVectors = 16;
1033 caps.maxRenderbufferSize = 1;
1034
1035 // Table 3.35
1036 caps.maxSamples = 4;
1037 }
1038
1039 if (clientVersion >= Version(3, 0))
1040 {
1041 // Table 6.28
1042 caps.maxElementIndex = (1 << 24) - 1;
1043 caps.max3DTextureSize = 256;
1044 caps.max2DTextureSize = 2048;
1045 caps.maxArrayTextureLayers = 256;
1046 caps.maxLODBias = 2.0f;
1047 caps.maxCubeMapTextureSize = 2048;
1048 caps.maxRenderbufferSize = 2048;
1049 caps.maxDrawBuffers = 4;
1050 caps.maxColorAttachments = 4;
1051 caps.maxViewportWidth = caps.max2DTextureSize;
1052 caps.maxViewportHeight = caps.max2DTextureSize;
1053
1054 // Table 6.29
1055 caps.compressedTextureFormats.push_back(GL_COMPRESSED_R11_EAC);
1056 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
1057 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RG11_EAC);
1058 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
1059 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_ETC2);
1060 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ETC2);
1061 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
1062 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
1063 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
1064 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
1065 caps.vertexHighpFloat.setIEEEFloat();
1066 caps.vertexHighpInt.setTwosComplementInt(32);
1067 caps.vertexMediumpInt.setTwosComplementInt(16);
1068 caps.vertexLowpInt.setTwosComplementInt(8);
1069 caps.fragmentHighpFloat.setIEEEFloat();
1070 caps.fragmentHighpInt.setSimulatedInt(32);
1071 caps.fragmentMediumpInt.setTwosComplementInt(16);
1072 caps.fragmentLowpInt.setTwosComplementInt(8);
1073 caps.maxServerWaitTimeout = 0;
1074
1075 // Table 6.31
1076 caps.maxVertexAttributes = 16;
1077 caps.maxShaderUniformComponents[ShaderType::Vertex] = 1024;
1078 caps.maxVertexUniformVectors = 256;
1079 caps.maxShaderUniformBlocks[ShaderType::Vertex] = limits::kMinimumShaderUniformBlocks;
1080 caps.maxVertexOutputComponents = limits::kMinimumVertexOutputComponents;
1081 caps.maxShaderTextureImageUnits[ShaderType::Vertex] = 16;
1082
1083 // Table 6.32
1084 caps.maxShaderUniformComponents[ShaderType::Fragment] = 896;
1085 caps.maxFragmentUniformVectors = 224;
1086 caps.maxShaderUniformBlocks[ShaderType::Fragment] = limits::kMinimumShaderUniformBlocks;
1087 caps.maxFragmentInputComponents = 60;
1088 caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 16;
1089 caps.minProgramTexelOffset = -8;
1090 caps.maxProgramTexelOffset = 7;
1091
1092 // Table 6.33
1093 caps.maxUniformBufferBindings = 24;
1094 caps.maxUniformBlockSize = 16384;
1095 caps.uniformBufferOffsetAlignment = 256;
1096 caps.maxCombinedUniformBlocks = 24;
1097 caps.maxVaryingComponents = 60;
1098 caps.maxVaryingVectors = 15;
1099 caps.maxCombinedTextureImageUnits = 32;
1100
1101 // Table 6.34
1102 caps.maxTransformFeedbackInterleavedComponents = 64;
1103 caps.maxTransformFeedbackSeparateAttributes = 4;
1104 caps.maxTransformFeedbackSeparateComponents = 4;
1105 }
1106
1107 if (clientVersion >= Version(3, 1))
1108 {
1109 // Table 20.40
1110 caps.maxFramebufferWidth = 2048;
1111 caps.maxFramebufferHeight = 2048;
1112 caps.maxFramebufferSamples = 4;
1113 caps.maxSampleMaskWords = 1;
1114 caps.maxColorTextureSamples = 1;
1115 caps.maxDepthTextureSamples = 1;
1116 caps.maxIntegerSamples = 1;
1117
1118 // Table 20.41
1119 caps.maxVertexAttribRelativeOffset = 2047;
1120 caps.maxVertexAttribBindings = 16;
1121 caps.maxVertexAttribStride = 2048;
1122
1123 // Table 20.43
1124 caps.maxShaderAtomicCounterBuffers[ShaderType::Vertex] = 0;
1125 caps.maxShaderAtomicCounters[ShaderType::Vertex] = 0;
1126 caps.maxShaderImageUniforms[ShaderType::Vertex] = 0;
1127 caps.maxShaderStorageBlocks[ShaderType::Vertex] = 0;
1128
1129 // Table 20.44
1130 caps.maxShaderUniformComponents[ShaderType::Fragment] = 1024;
1131 caps.maxFragmentUniformVectors = 256;
1132 caps.maxShaderAtomicCounterBuffers[ShaderType::Fragment] = 0;
1133 caps.maxShaderAtomicCounters[ShaderType::Fragment] = 0;
1134 caps.maxShaderImageUniforms[ShaderType::Fragment] = 0;
1135 caps.maxShaderStorageBlocks[ShaderType::Fragment] = 0;
1136 caps.minProgramTextureGatherOffset = 0;
1137 caps.maxProgramTextureGatherOffset = 0;
1138
1139 // Table 20.45
1140 caps.maxComputeWorkGroupCount = {{65535, 65535, 65535}};
1141 caps.maxComputeWorkGroupSize = {{128, 128, 64}};
1142 caps.maxComputeWorkGroupInvocations = 12;
1143 caps.maxShaderUniformBlocks[ShaderType::Compute] = limits::kMinimumShaderUniformBlocks;
1144 caps.maxShaderTextureImageUnits[ShaderType::Compute] = 16;
1145 caps.maxComputeSharedMemorySize = 16384;
1146 caps.maxShaderUniformComponents[ShaderType::Compute] = 1024;
1147 caps.maxShaderAtomicCounterBuffers[ShaderType::Compute] = 1;
1148 caps.maxShaderAtomicCounters[ShaderType::Compute] = 8;
1149 caps.maxShaderImageUniforms[ShaderType::Compute] = 4;
1150 caps.maxShaderStorageBlocks[ShaderType::Compute] = 4;
1151
1152 // Table 20.46
1153 caps.maxUniformBufferBindings = 36;
1154 caps.maxCombinedTextureImageUnits = 48;
1155 caps.maxCombinedShaderOutputResources = 4;
1156
1157 // Table 20.47
1158 caps.maxUniformLocations = 1024;
1159 caps.maxAtomicCounterBufferBindings = 1;
1160 caps.maxAtomicCounterBufferSize = 32;
1161 caps.maxCombinedAtomicCounterBuffers = 1;
1162 caps.maxCombinedAtomicCounters = 8;
1163 caps.maxImageUnits = 4;
1164 caps.maxCombinedImageUniforms = 4;
1165 caps.maxShaderStorageBufferBindings = 4;
1166 caps.maxShaderStorageBlockSize = 1 << 27;
1167 caps.maxCombinedShaderStorageBlocks = 4;
1168 caps.shaderStorageBufferOffsetAlignment = 256;
1169 }
1170
1171 if (extensions.blendFuncExtendedEXT)
1172 {
1173 caps.maxDualSourceDrawBuffers = 1;
1174 }
1175
1176 if (extensions.textureRectangleANGLE)
1177 {
1178 caps.maxRectangleTextureSize = 64;
1179 }
1180
1181 if (extensions.geometryShaderAny())
1182 {
1183 // Table 20.40 (GL_EXT_geometry_shader)
1184 caps.maxFramebufferLayers = 256;
1185 caps.layerProvokingVertex = GL_LAST_VERTEX_CONVENTION_EXT;
1186
1187 // Table 20.43gs (GL_EXT_geometry_shader)
1188 caps.maxShaderUniformComponents[ShaderType::Geometry] = 1024;
1189 caps.maxShaderUniformBlocks[ShaderType::Geometry] = limits::kMinimumShaderUniformBlocks;
1190 caps.maxGeometryInputComponents = 64;
1191 caps.maxGeometryOutputComponents = 64;
1192 caps.maxGeometryOutputVertices = 256;
1193 caps.maxGeometryTotalOutputComponents = 1024;
1194 caps.maxShaderTextureImageUnits[ShaderType::Geometry] = 16;
1195 caps.maxShaderAtomicCounterBuffers[ShaderType::Geometry] = 0;
1196 caps.maxShaderAtomicCounters[ShaderType::Geometry] = 0;
1197 caps.maxShaderStorageBlocks[ShaderType::Geometry] = 0;
1198 caps.maxGeometryShaderInvocations = 32;
1199
1200 // Table 20.46 (GL_EXT_geometry_shader)
1201 caps.maxShaderImageUniforms[ShaderType::Geometry] = 0;
1202
1203 // Table 20.46 (GL_EXT_geometry_shader)
1204 caps.maxUniformBufferBindings = 48;
1205 caps.maxCombinedUniformBlocks = 36;
1206 caps.maxCombinedTextureImageUnits = 64;
1207 }
1208
1209 if (extensions.tessellationShaderEXT)
1210 {
1211 // Table 20.43 "Implementation Dependent Tessellation Shader Limits"
1212 caps.maxTessControlInputComponents = 64;
1213 caps.maxTessControlOutputComponents = 64;
1214 caps.maxShaderTextureImageUnits[ShaderType::TessControl] = 16;
1215 caps.maxShaderUniformComponents[ShaderType::TessControl] = 1024;
1216 caps.maxTessControlTotalOutputComponents = 2048;
1217 caps.maxShaderImageUniforms[ShaderType::TessControl] = 0;
1218 caps.maxShaderAtomicCounters[ShaderType::TessControl] = 0;
1219 caps.maxShaderAtomicCounterBuffers[ShaderType::TessControl] = 0;
1220
1221 caps.maxTessPatchComponents = 120;
1222 caps.maxPatchVertices = 32;
1223 caps.maxTessGenLevel = 64;
1224
1225 caps.maxTessEvaluationInputComponents = 64;
1226 caps.maxTessEvaluationOutputComponents = 64;
1227 caps.maxShaderTextureImageUnits[ShaderType::TessEvaluation] = 16;
1228 caps.maxShaderUniformComponents[ShaderType::TessEvaluation] = 1024;
1229 caps.maxShaderImageUniforms[ShaderType::TessEvaluation] = 0;
1230 caps.maxShaderAtomicCounters[ShaderType::TessEvaluation] = 0;
1231 caps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation] = 0;
1232
1233 // Table 20.46 "Implementation Dependent Aggregate Shader Limits"
1234 caps.maxUniformBufferBindings = 72;
1235 caps.maxCombinedUniformBlocks = 60;
1236 caps.maxCombinedTextureImageUnits = 96;
1237 }
1238
1239 for (ShaderType shaderType : AllShaderTypes())
1240 {
1241 caps.maxCombinedShaderUniformComponents[shaderType] =
1242 caps.maxShaderUniformBlocks[shaderType] *
1243 static_cast<GLuint>(caps.maxUniformBlockSize / 4) +
1244 caps.maxShaderUniformComponents[shaderType];
1245 }
1246
1247 return caps;
1248 }
1249 } // namespace gl
1250
1251 namespace egl
1252 {
1253
1254 Caps::Caps() = default;
1255
1256 DisplayExtensions::DisplayExtensions() = default;
1257
getStrings() const1258 std::vector<std::string> DisplayExtensions::getStrings() const
1259 {
1260 std::vector<std::string> extensionStrings;
1261
1262 // clang-format off
1263 // | Extension name | Supported flag | Output vector |
1264 InsertExtensionString("EGL_EXT_create_context_robustness", createContextRobustness, &extensionStrings);
1265 InsertExtensionString("EGL_ANGLE_d3d_share_handle_client_buffer", d3dShareHandleClientBuffer, &extensionStrings);
1266 InsertExtensionString("EGL_ANGLE_d3d_texture_client_buffer", d3dTextureClientBuffer, &extensionStrings);
1267 InsertExtensionString("EGL_ANGLE_surface_d3d_texture_2d_share_handle", surfaceD3DTexture2DShareHandle, &extensionStrings);
1268 InsertExtensionString("EGL_ANGLE_query_surface_pointer", querySurfacePointer, &extensionStrings);
1269 InsertExtensionString("EGL_ANGLE_window_fixed_size", windowFixedSize, &extensionStrings);
1270 InsertExtensionString("EGL_ANGLE_keyed_mutex", keyedMutex, &extensionStrings);
1271 InsertExtensionString("EGL_ANGLE_surface_orientation", surfaceOrientation, &extensionStrings);
1272 InsertExtensionString("EGL_ANGLE_direct_composition", directComposition, &extensionStrings);
1273 InsertExtensionString("EGL_ANGLE_windows_ui_composition", windowsUIComposition, &extensionStrings);
1274 InsertExtensionString("EGL_NV_post_sub_buffer", postSubBuffer, &extensionStrings);
1275 InsertExtensionString("EGL_KHR_create_context", createContext, &extensionStrings);
1276 InsertExtensionString("EGL_KHR_image", image, &extensionStrings);
1277 InsertExtensionString("EGL_KHR_image_base", imageBase, &extensionStrings);
1278 InsertExtensionString("EGL_KHR_image_pixmap", imagePixmap, &extensionStrings);
1279 InsertExtensionString("EGL_EXT_image_gl_colorspace", imageGlColorspace, &extensionStrings);
1280 InsertExtensionString("EGL_KHR_gl_colorspace", glColorspace, &extensionStrings);
1281 InsertExtensionString("EGL_EXT_gl_colorspace_scrgb", glColorspaceScrgb, &extensionStrings);
1282 InsertExtensionString("EGL_EXT_gl_colorspace_scrgb_linear", glColorspaceScrgbLinear, &extensionStrings);
1283 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3", glColorspaceDisplayP3, &extensionStrings);
1284 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_linear", glColorspaceDisplayP3Linear, &extensionStrings);
1285 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_passthrough", glColorspaceDisplayP3Passthrough, &extensionStrings);
1286 InsertExtensionString("EGL_ANGLE_colorspace_attribute_passthrough", eglColorspaceAttributePassthroughANGLE, &extensionStrings);
1287 InsertExtensionString("EGL_KHR_gl_texture_2D_image", glTexture2DImage, &extensionStrings);
1288 InsertExtensionString("EGL_KHR_gl_texture_cubemap_image", glTextureCubemapImage, &extensionStrings);
1289 InsertExtensionString("EGL_KHR_gl_texture_3D_image", glTexture3DImage, &extensionStrings);
1290 InsertExtensionString("EGL_KHR_gl_renderbuffer_image", glRenderbufferImage, &extensionStrings);
1291 InsertExtensionString("EGL_KHR_get_all_proc_addresses", getAllProcAddresses, &extensionStrings);
1292 InsertExtensionString("EGL_KHR_stream", stream, &extensionStrings);
1293 InsertExtensionString("EGL_KHR_stream_consumer_gltexture", streamConsumerGLTexture, &extensionStrings);
1294 InsertExtensionString("EGL_NV_stream_consumer_gltexture_yuv", streamConsumerGLTextureYUV, &extensionStrings);
1295 InsertExtensionString("EGL_KHR_fence_sync", fenceSync, &extensionStrings);
1296 InsertExtensionString("EGL_KHR_wait_sync", waitSync, &extensionStrings);
1297 InsertExtensionString("EGL_ANGLE_stream_producer_d3d_texture", streamProducerD3DTexture, &extensionStrings);
1298 InsertExtensionString("EGL_ANGLE_create_context_webgl_compatibility", createContextWebGLCompatibility, &extensionStrings);
1299 InsertExtensionString("EGL_CHROMIUM_create_context_bind_generates_resource", createContextBindGeneratesResource, &extensionStrings);
1300 InsertExtensionString("EGL_CHROMIUM_sync_control", syncControlCHROMIUM, &extensionStrings);
1301 InsertExtensionString("EGL_ANGLE_sync_control_rate", syncControlRateANGLE, &extensionStrings);
1302 InsertExtensionString("EGL_KHR_swap_buffers_with_damage", swapBuffersWithDamage, &extensionStrings);
1303 InsertExtensionString("EGL_EXT_pixel_format_float", pixelFormatFloat, &extensionStrings);
1304 InsertExtensionString("EGL_KHR_surfaceless_context", surfacelessContext, &extensionStrings);
1305 InsertExtensionString("EGL_ANGLE_display_texture_share_group", displayTextureShareGroup, &extensionStrings);
1306 InsertExtensionString("EGL_ANGLE_display_semaphore_share_group", displaySemaphoreShareGroup, &extensionStrings);
1307 InsertExtensionString("EGL_ANGLE_create_context_client_arrays", createContextClientArrays, &extensionStrings);
1308 InsertExtensionString("EGL_ANGLE_program_cache_control", programCacheControlANGLE, &extensionStrings);
1309 InsertExtensionString("EGL_ANGLE_robust_resource_initialization", robustResourceInitializationANGLE, &extensionStrings);
1310 InsertExtensionString("EGL_ANGLE_iosurface_client_buffer", iosurfaceClientBuffer, &extensionStrings);
1311 InsertExtensionString("EGL_ANGLE_metal_texture_client_buffer", mtlTextureClientBuffer, &extensionStrings);
1312 InsertExtensionString("EGL_ANGLE_create_context_extensions_enabled", createContextExtensionsEnabled, &extensionStrings);
1313 InsertExtensionString("EGL_ANDROID_presentation_time", presentationTime, &extensionStrings);
1314 InsertExtensionString("EGL_ANDROID_blob_cache", blobCache, &extensionStrings);
1315 InsertExtensionString("EGL_ANDROID_framebuffer_target", framebufferTargetANDROID, &extensionStrings);
1316 InsertExtensionString("EGL_ANDROID_image_native_buffer", imageNativeBuffer, &extensionStrings);
1317 InsertExtensionString("EGL_ANDROID_get_frame_timestamps", getFrameTimestamps, &extensionStrings);
1318 InsertExtensionString("EGL_ANGLE_timestamp_surface_attribute", timestampSurfaceAttributeANGLE, &extensionStrings);
1319 InsertExtensionString("EGL_ANDROID_recordable", recordable, &extensionStrings);
1320 InsertExtensionString("EGL_ANGLE_power_preference", powerPreference, &extensionStrings);
1321 InsertExtensionString("EGL_ANGLE_wait_until_work_scheduled", waitUntilWorkScheduled, &extensionStrings);
1322 InsertExtensionString("EGL_ANGLE_image_d3d11_texture", imageD3D11Texture, &extensionStrings);
1323 InsertExtensionString("EGL_ANDROID_create_native_client_buffer", createNativeClientBufferANDROID, &extensionStrings);
1324 InsertExtensionString("EGL_ANDROID_get_native_client_buffer", getNativeClientBufferANDROID, &extensionStrings);
1325 InsertExtensionString("EGL_ANDROID_native_fence_sync", nativeFenceSyncANDROID, &extensionStrings);
1326 InsertExtensionString("EGL_ANGLE_create_context_backwards_compatible", createContextBackwardsCompatible, &extensionStrings);
1327 InsertExtensionString("EGL_KHR_no_config_context", noConfigContext, &extensionStrings);
1328 InsertExtensionString("EGL_IMG_context_priority", contextPriority, &extensionStrings);
1329 InsertExtensionString("EGL_KHR_create_context_no_error", createContextNoError, &extensionStrings);
1330 InsertExtensionString("EGL_EXT_image_dma_buf_import", imageDmaBufImportEXT, &extensionStrings);
1331 InsertExtensionString("EGL_EXT_image_dma_buf_import_modifiers", imageDmaBufImportModifiersEXT, &extensionStrings);
1332 InsertExtensionString("EGL_NOK_texture_from_pixmap", textureFromPixmapNOK, &extensionStrings);
1333 InsertExtensionString("EGL_NV_robustness_video_memory_purge", robustnessVideoMemoryPurgeNV, &extensionStrings);
1334 InsertExtensionString("EGL_KHR_reusable_sync", reusableSyncKHR, &extensionStrings);
1335 InsertExtensionString("EGL_ANGLE_external_context_and_surface", externalContextAndSurface, &extensionStrings);
1336 InsertExtensionString("EGL_EXT_buffer_age", bufferAgeEXT, &extensionStrings);
1337 InsertExtensionString("EGL_KHR_mutable_render_buffer", mutableRenderBufferKHR, &extensionStrings);
1338 InsertExtensionString("EGL_EXT_protected_content", protectedContentEXT, &extensionStrings);
1339 InsertExtensionString("EGL_ANGLE_create_surface_swap_interval", createSurfaceSwapIntervalANGLE, &extensionStrings);
1340 InsertExtensionString("EGL_ANGLE_context_virtualization", contextVirtualizationANGLE, &extensionStrings);
1341 InsertExtensionString("EGL_KHR_lock_surface3", lockSurface3KHR, &extensionStrings);
1342 InsertExtensionString("EGL_ANGLE_vulkan_image", vulkanImageANGLE, &extensionStrings);
1343 InsertExtensionString("EGL_ANGLE_metal_create_context_ownership_identity", metalCreateContextOwnershipIdentityANGLE, &extensionStrings);
1344 InsertExtensionString("EGL_KHR_partial_update", partialUpdateKHR, &extensionStrings);
1345 InsertExtensionString("EGL_ANGLE_metal_shared_event_sync", mtlSyncSharedEventANGLE, &extensionStrings);
1346 // clang-format on
1347
1348 return extensionStrings;
1349 }
1350
1351 DeviceExtensions::DeviceExtensions() = default;
1352
getStrings() const1353 std::vector<std::string> DeviceExtensions::getStrings() const
1354 {
1355 std::vector<std::string> extensionStrings;
1356
1357 // clang-format off
1358 // | Extension name | Supported flag | Output vector |
1359 InsertExtensionString("EGL_ANGLE_device_d3d", deviceD3D, &extensionStrings);
1360 InsertExtensionString("EGL_ANGLE_device_cgl", deviceCGL, &extensionStrings);
1361 InsertExtensionString("EGL_ANGLE_device_eagl", deviceEAGL, &extensionStrings);
1362 InsertExtensionString("EGL_ANGLE_device_metal", deviceMetal, &extensionStrings);
1363 InsertExtensionString("EGL_ANGLE_device_vulkan", deviceVulkan, &extensionStrings);
1364 InsertExtensionString("EGL_EXT_device_drm", deviceDrmEXT, &extensionStrings);
1365 InsertExtensionString("EGL_EXT_device_drm_render_node", deviceDrmRenderNodeEXT, &extensionStrings);
1366
1367 // clang-format on
1368
1369 return extensionStrings;
1370 }
1371
1372 ClientExtensions::ClientExtensions() = default;
1373 ClientExtensions::ClientExtensions(const ClientExtensions &other) = default;
1374
getStrings() const1375 std::vector<std::string> ClientExtensions::getStrings() const
1376 {
1377 std::vector<std::string> extensionStrings;
1378
1379 // clang-format off
1380 // | Extension name | Supported flag | Output vector |
1381 InsertExtensionString("EGL_EXT_client_extensions", clientExtensions, &extensionStrings);
1382 InsertExtensionString("EGL_EXT_device_query", deviceQueryEXT, &extensionStrings);
1383 InsertExtensionString("EGL_EXT_platform_base", platformBase, &extensionStrings);
1384 InsertExtensionString("EGL_EXT_platform_device", platformDevice, &extensionStrings);
1385 InsertExtensionString("EGL_KHR_platform_gbm", platformGbmKHR, &extensionStrings);
1386 InsertExtensionString("EGL_EXT_platform_wayland", platformWaylandEXT, &extensionStrings);
1387 InsertExtensionString("EGL_ANGLE_platform_angle", platformANGLE, &extensionStrings);
1388 InsertExtensionString("EGL_ANGLE_platform_angle_d3d", platformANGLED3D, &extensionStrings);
1389 InsertExtensionString("EGL_ANGLE_platform_angle_d3d11on12", platformANGLED3D11ON12, &extensionStrings);
1390 InsertExtensionString("EGL_ANGLE_platform_angle_device_type_egl_angle", platformANGLEDeviceTypeEGLANGLE, &extensionStrings);
1391 InsertExtensionString("EGL_ANGLE_platform_angle_device_type_swiftshader", platformANGLEDeviceTypeSwiftShader, &extensionStrings);
1392 InsertExtensionString("EGL_ANGLE_platform_angle_opengl", platformANGLEOpenGL, &extensionStrings);
1393 InsertExtensionString("EGL_ANGLE_platform_angle_null", platformANGLENULL, &extensionStrings);
1394 InsertExtensionString("EGL_ANGLE_platform_angle_vulkan", platformANGLEVulkan, &extensionStrings);
1395 InsertExtensionString("EGL_ANGLE_platform_angle_metal", platformANGLEMetal, &extensionStrings);
1396 InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_eagl", platformANGLEDeviceContextVolatileEagl, &extensionStrings);
1397 InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_cgl", platformANGLEDeviceContextVolatileCgl, &extensionStrings);
1398 InsertExtensionString("EGL_ANGLE_platform_angle_device_id", platformANGLEDeviceId, &extensionStrings);
1399 InsertExtensionString("EGL_ANGLE_device_creation", deviceCreation, &extensionStrings);
1400 InsertExtensionString("EGL_ANGLE_device_creation_d3d11", deviceCreationD3D11, &extensionStrings);
1401 InsertExtensionString("EGL_ANGLE_x11_visual", x11Visual, &extensionStrings);
1402 InsertExtensionString("EGL_ANGLE_experimental_present_path", experimentalPresentPath, &extensionStrings);
1403 InsertExtensionString("EGL_KHR_client_get_all_proc_addresses", clientGetAllProcAddresses, &extensionStrings);
1404 InsertExtensionString("EGL_KHR_debug", debug, &extensionStrings);
1405 InsertExtensionString("EGL_ANGLE_feature_control", featureControlANGLE, &extensionStrings);
1406 InsertExtensionString("EGL_ANGLE_display_power_preference", displayPowerPreferenceANGLE, &extensionStrings);
1407 // clang-format on
1408
1409 return extensionStrings;
1410 }
1411
1412 } // namespace egl
1413