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_ARM_rgba8 support
DetermineRGBA8TextureSupport(const TextureCapsMap & textureCaps)260 static bool DetermineRGBA8TextureSupport(const TextureCapsMap &textureCaps)
261 {
262 constexpr GLenum requiredFormats[] = {
263 GL_RGBA8,
264 };
265
266 return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
267 }
268
269 // Checks for GL_OES_required_internalformat support
DetermineRequiredInternalFormatTextureSupport(const TextureCapsMap & textureCaps)270 static bool DetermineRequiredInternalFormatTextureSupport(const TextureCapsMap &textureCaps)
271 {
272 constexpr GLenum requiredTexturingFormats[] = {
273 GL_ALPHA8_OES,
274 GL_LUMINANCE8_OES,
275 GL_LUMINANCE8_ALPHA8_OES,
276 GL_LUMINANCE4_ALPHA4_OES,
277 GL_RGB565_OES,
278 GL_RGB8_OES,
279 GL_RGBA4_OES,
280 GL_RGB5_A1_OES,
281 GL_RGBA8_OES,
282 };
283
284 constexpr GLenum requiredRenderingFormats[] = {
285 GL_RGB565_OES, GL_RGB8_OES, GL_RGBA4_OES, GL_RGB5_A1_OES, GL_RGBA8_OES,
286 };
287
288 return GetFormatSupport(textureCaps, requiredTexturingFormats, true, false, false, false,
289 false) &&
290 GetFormatSupport(textureCaps, requiredRenderingFormats, false, false, false, true,
291 false);
292 }
293
294 // Checks for GL_OES_rgb8_rgba8 support
DetermineRGB8TextureSupport(const TextureCapsMap & textureCaps)295 static bool DetermineRGB8TextureSupport(const TextureCapsMap &textureCaps)
296 {
297 constexpr GLenum requiredFormats[] = {
298 GL_RGB8,
299 };
300
301 return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
302 }
303
304 // Checks for GL_EXT_texture_format_BGRA8888 support
DetermineBGRA8TextureSupport(const TextureCapsMap & textureCaps)305 static bool DetermineBGRA8TextureSupport(const TextureCapsMap &textureCaps)
306 {
307 constexpr GLenum requiredFormats[] = {
308 GL_BGRA8_EXT,
309 };
310
311 return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
312 }
313
314 // Checks for GL_EXT_read_format_bgra support
DetermineBGRAReadFormatSupport(const TextureCapsMap & textureCaps)315 static bool DetermineBGRAReadFormatSupport(const TextureCapsMap &textureCaps)
316 {
317 constexpr GLenum requiredFormats[] = {
318 GL_BGRA8_EXT,
319 // TODO(http://anglebug.com/42262931): GL_EXT_read_format_bgra specifies 2 more types, which
320 // are currently ignored. The equivalent formats would be: GL_BGRA4_ANGLEX,
321 // GL_BGR5_A1_ANGLEX
322 };
323
324 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
325 }
326
327 // Checks for GL_OES_color_buffer_half_float support
DetermineColorBufferHalfFloatSupport(const TextureCapsMap & textureCaps)328 static bool DetermineColorBufferHalfFloatSupport(const TextureCapsMap &textureCaps)
329 {
330 // EXT_color_buffer_half_float issue #2 states that an implementation doesn't need to support
331 // rendering to any of the formats but is expected to be able to render to at least one. WebGL
332 // requires that at least RGBA16F is renderable so we make the same requirement.
333 constexpr GLenum requiredFormats[] = {
334 GL_RGBA16F,
335 };
336
337 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
338 }
339
340 // Checks for GL_OES_texture_half_float support
DetermineHalfFloatTextureSupport(const TextureCapsMap & textureCaps)341 static bool DetermineHalfFloatTextureSupport(const TextureCapsMap &textureCaps)
342 {
343 constexpr GLenum requiredFormats[] = {
344 GL_RGBA16F, GL_RGB16F, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT, GL_ALPHA16F_EXT,
345 };
346
347 return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
348 }
349
350 // Checks for GL_OES_texture_half_float_linear support
DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap & textureCaps,bool checkLegacyFormats)351 static bool DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
352 bool checkLegacyFormats)
353 {
354 constexpr GLenum requiredFormats[] = {GL_RGBA16F, GL_RGB16F};
355 // If GL_OES_texture_half_float is present, this extension must also support legacy formats
356 // introduced by that extension
357 constexpr GLenum requiredFormatsES2[] = {GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT,
358 GL_ALPHA16F_EXT};
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_OES_texture_float support
DetermineFloatTextureSupport(const TextureCapsMap & textureCaps)370 static bool DetermineFloatTextureSupport(const TextureCapsMap &textureCaps)
371 {
372 constexpr GLenum requiredFormats[] = {
373 GL_RGBA32F, GL_RGB32F, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE32F_EXT, GL_ALPHA32F_EXT,
374 };
375
376 return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
377 }
378
379 // Checks for GL_OES_texture_float_linear support
DetermineFloatTextureFilteringSupport(const TextureCapsMap & textureCaps,bool checkLegacyFormats)380 static bool DetermineFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
381 bool checkLegacyFormats)
382 {
383 constexpr GLenum requiredFormats[] = {
384 GL_RGBA32F,
385 GL_RGB32F,
386 };
387 // If GL_OES_texture_float is present, this extension must also support legacy formats
388 // introduced by that extension
389 constexpr GLenum requiredFormatsES2[] = {
390 GL_LUMINANCE_ALPHA32F_EXT,
391 GL_LUMINANCE32F_EXT,
392 GL_ALPHA32F_EXT,
393 };
394
395 if (checkLegacyFormats &&
396 !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false))
397 {
398 return false;
399 }
400
401 return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false);
402 }
403
404 // Checks for GL_EXT_texture_rg support
DetermineRGTextureSupport(const TextureCapsMap & textureCaps,bool checkHalfFloatFormats,bool checkFloatFormats)405 static bool DetermineRGTextureSupport(const TextureCapsMap &textureCaps,
406 bool checkHalfFloatFormats,
407 bool checkFloatFormats)
408 {
409 constexpr GLenum requiredFormats[] = {
410 GL_R8,
411 GL_RG8,
412 };
413 constexpr GLenum requiredHalfFloatFormats[] = {
414 GL_R16F,
415 GL_RG16F,
416 };
417 constexpr GLenum requiredFloatFormats[] = {
418 GL_R32F,
419 GL_RG32F,
420 };
421
422 if (checkHalfFloatFormats &&
423 !GetFormatSupport(textureCaps, requiredHalfFloatFormats, true, false, false, false, false))
424 {
425 return false;
426 }
427
428 if (checkFloatFormats &&
429 !GetFormatSupport(textureCaps, requiredFloatFormats, true, false, false, false, false))
430 {
431 return false;
432 }
433
434 return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
435 }
436
DetermineTextureFormat2101010Support(const TextureCapsMap & textureCaps)437 static bool DetermineTextureFormat2101010Support(const TextureCapsMap &textureCaps)
438 {
439 // GL_EXT_texture_type_2_10_10_10_REV specifies both RGBA and RGB support.
440 constexpr GLenum requiredFormats[] = {
441 GL_RGB10_A2,
442 GL_RGB10_EXT,
443 };
444
445 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
446 }
447
448 // Check for GL_EXT_texture_compression_dxt1 support
DetermineDXT1TextureSupport(const TextureCapsMap & textureCaps)449 static bool DetermineDXT1TextureSupport(const TextureCapsMap &textureCaps)
450 {
451 constexpr GLenum requiredFormats[] = {
452 GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
453 GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
454 };
455
456 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
457 }
458
459 // Check for GL_ANGLE_texture_compression_dxt3 support
DetermineDXT3TextureSupport(const TextureCapsMap & textureCaps)460 static bool DetermineDXT3TextureSupport(const TextureCapsMap &textureCaps)
461 {
462 constexpr GLenum requiredFormats[] = {
463 GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,
464 };
465
466 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
467 }
468
469 // Check for GL_ANGLE_texture_compression_dxt5 support
DetermineDXT5TextureSupport(const TextureCapsMap & textureCaps)470 static bool DetermineDXT5TextureSupport(const TextureCapsMap &textureCaps)
471 {
472 constexpr GLenum requiredFormats[] = {
473 GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,
474 };
475
476 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
477 }
478
479 // Check for GL_EXT_texture_compression_s3tc_srgb support
DetermineS3TCsRGBTextureSupport(const TextureCapsMap & textureCaps)480 static bool DetermineS3TCsRGBTextureSupport(const TextureCapsMap &textureCaps)
481 {
482 constexpr GLenum requiredFormats[] = {
483 GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,
484 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,
485 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,
486 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
487 };
488
489 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
490 }
491
492 // Check for GL_KHR_texture_compression_astc_ldr support
DetermineASTCLDRTextureSupport(const TextureCapsMap & textureCaps)493 static bool DetermineASTCLDRTextureSupport(const TextureCapsMap &textureCaps)
494 {
495 constexpr GLenum requiredFormats[] = {
496 GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
497 GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
498 GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
499 GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
500 GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
501 GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
502 GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
503 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
504 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
505 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
506 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
507 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
508 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
509 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
510 };
511
512 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
513 }
514
515 // Check for GL_OES_texture_compression_astc support
DetermineASTCOESTExtureSupport(const TextureCapsMap & textureCaps)516 static bool DetermineASTCOESTExtureSupport(const TextureCapsMap &textureCaps)
517 {
518 if (!DetermineASTCLDRTextureSupport(textureCaps))
519 {
520 return false;
521 }
522
523 // The OES version of the extension also requires the 3D ASTC formats
524 constexpr GLenum requiredFormats[] = {
525 GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES,
526 GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES,
527 GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES,
528 GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES,
529 GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES,
530 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES,
531 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES,
532 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES,
533 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES,
534 GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES,
535 };
536
537 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
538 }
539
540 // Check for GL_ETC1_RGB8_OES support
DetermineETC1RGB8TextureSupport(const TextureCapsMap & textureCaps)541 static bool DetermineETC1RGB8TextureSupport(const TextureCapsMap &textureCaps)
542 {
543 constexpr GLenum requiredFormats[] = {
544 GL_ETC1_RGB8_OES,
545 };
546
547 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
548 }
549
550 // Check for OES_compressed_ETC2_RGB8_texture support
DetermineETC2RGB8TextureSupport(const TextureCapsMap & textureCaps)551 static bool DetermineETC2RGB8TextureSupport(const TextureCapsMap &textureCaps)
552 {
553 constexpr GLenum requiredFormats[] = {
554 GL_COMPRESSED_RGB8_ETC2,
555 };
556
557 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
558 }
559
560 // Check for OES_compressed_ETC2_sRGB8_texture support
DetermineETC2sRGB8TextureSupport(const TextureCapsMap & textureCaps)561 static bool DetermineETC2sRGB8TextureSupport(const TextureCapsMap &textureCaps)
562 {
563 constexpr GLenum requiredFormats[] = {
564 GL_COMPRESSED_SRGB8_ETC2,
565 };
566
567 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
568 }
569
570 // Check for OES_compressed_ETC2_punchthroughA_RGBA8_texture support
DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap & textureCaps)571 static bool DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap &textureCaps)
572 {
573 constexpr GLenum requiredFormats[] = {
574 GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
575 };
576
577 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
578 }
579
580 // Check for OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture support
DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap & textureCaps)581 static bool DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap &textureCaps)
582 {
583 constexpr GLenum requiredFormats[] = {
584 GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
585 };
586
587 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
588 }
589
590 // Check for OES_compressed_ETC2_RGBA8_texture support
DetermineETC2RGBA8TextureSupport(const TextureCapsMap & textureCaps)591 static bool DetermineETC2RGBA8TextureSupport(const TextureCapsMap &textureCaps)
592 {
593 constexpr GLenum requiredFormats[] = {
594 GL_COMPRESSED_RGBA8_ETC2_EAC,
595 };
596
597 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
598 }
599
600 // Check for OES_compressed_ETC2_sRGB8_alpha8_texture support
DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap & textureCaps)601 static bool DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap &textureCaps)
602 {
603 constexpr GLenum requiredFormats[] = {
604 GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
605 };
606
607 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
608 }
609
610 // Check for OES_compressed_EAC_R11_unsigned_texture support
DetermineEACR11UnsignedTextureSupport(const TextureCapsMap & textureCaps)611 static bool DetermineEACR11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
612 {
613 constexpr GLenum requiredFormats[] = {
614 GL_COMPRESSED_R11_EAC,
615 };
616
617 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
618 }
619
620 // Check for OES_compressed_EAC_R11_signed_texture support
DetermineEACR11SignedTextureSupport(const TextureCapsMap & textureCaps)621 static bool DetermineEACR11SignedTextureSupport(const TextureCapsMap &textureCaps)
622 {
623 constexpr GLenum requiredFormats[] = {
624 GL_COMPRESSED_SIGNED_R11_EAC,
625 };
626
627 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
628 }
629
630 // Check for OES_compressed_EAC_RG11_unsigned_texture support
DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap & textureCaps)631 static bool DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
632 {
633 constexpr GLenum requiredFormats[] = {
634 GL_COMPRESSED_RG11_EAC,
635 };
636
637 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
638 }
639
640 // Check for OES_compressed_EAC_RG11_signed_texture support
DetermineEACRG11SignedTextureSupport(const TextureCapsMap & textureCaps)641 static bool DetermineEACRG11SignedTextureSupport(const TextureCapsMap &textureCaps)
642 {
643 constexpr GLenum requiredFormats[] = {
644 GL_COMPRESSED_SIGNED_RG11_EAC,
645 };
646
647 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
648 }
649
650 // Check for GL_EXT_sRGB support
DetermineSRGBTextureSupport(const TextureCapsMap & textureCaps)651 static bool DetermineSRGBTextureSupport(const TextureCapsMap &textureCaps)
652 {
653 constexpr GLenum requiredFilterFormats[] = {
654 GL_SRGB8,
655 GL_SRGB8_ALPHA8,
656 };
657
658 constexpr GLenum requiredRenderFormats[] = {
659 GL_SRGB8_ALPHA8,
660 };
661
662 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
663 GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
664 }
665
666 // Check for GL_EXT_texture_sRGB_R8 support
DetermineSRGBR8TextureSupport(const TextureCapsMap & textureCaps)667 static bool DetermineSRGBR8TextureSupport(const TextureCapsMap &textureCaps)
668 {
669 constexpr GLenum requiredFilterFormats[] = {GL_SR8_EXT};
670
671 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
672 }
673
674 // Check for GL_EXT_texture_sRGB_RG8 support
DetermineSRGBRG8TextureSupport(const TextureCapsMap & textureCaps)675 static bool DetermineSRGBRG8TextureSupport(const TextureCapsMap &textureCaps)
676 {
677 constexpr GLenum requiredFilterFormats[] = {GL_SRG8_EXT};
678
679 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
680 }
681
682 // Check for GL_ANGLE_depth_texture support
DetermineDepthTextureANGLESupport(const TextureCapsMap & textureCaps)683 static bool DetermineDepthTextureANGLESupport(const TextureCapsMap &textureCaps)
684 {
685 constexpr GLenum requiredFormats[] = {
686 GL_DEPTH_COMPONENT16,
687 #if !ANGLE_PLATFORM_IOS_FAMILY
688 // anglebug.com/42264611
689 // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
690 // because it is not supported on iOS.
691 // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
692 GL_DEPTH_COMPONENT32_OES,
693 #endif
694 GL_DEPTH24_STENCIL8_OES,
695 };
696
697 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
698 }
699
700 // Check for GL_OES_depth_texture support
DetermineDepthTextureOESSupport(const TextureCapsMap & textureCaps)701 static bool DetermineDepthTextureOESSupport(const TextureCapsMap &textureCaps)
702 {
703 constexpr GLenum requiredFormats[] = {
704 GL_DEPTH_COMPONENT16,
705 #if !ANGLE_PLATFORM_IOS_FAMILY
706 // anglebug.com/42264611
707 // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
708 // because it is not supported on iOS.
709 // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
710 GL_DEPTH_COMPONENT32_OES,
711 #endif
712 };
713
714 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
715 }
716
717 // Check for GL_OES_depth24
DetermineDepth24OESSupport(const TextureCapsMap & textureCaps)718 static bool DetermineDepth24OESSupport(const TextureCapsMap &textureCaps)
719 {
720 constexpr GLenum requiredFormats[] = {
721 GL_DEPTH_COMPONENT24_OES,
722 };
723
724 return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
725 }
726
727 // Check for GL_OES_depth32 support
DetermineDepth32Support(const TextureCapsMap & textureCaps)728 static bool DetermineDepth32Support(const TextureCapsMap &textureCaps)
729 {
730 constexpr GLenum requiredFormats[] = {
731 GL_DEPTH_COMPONENT32_OES,
732 };
733
734 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
735 }
736
737 // Check for GL_CHROMIUM_color_buffer_float_rgb support
DetermineColorBufferFloatRGBSupport(const TextureCapsMap & textureCaps)738 static bool DetermineColorBufferFloatRGBSupport(const TextureCapsMap &textureCaps)
739 {
740 constexpr GLenum requiredFormats[] = {
741 GL_RGB32F,
742 };
743
744 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
745 }
746
747 // Check for GL_CHROMIUM_color_buffer_float_rgba support
DetermineColorBufferFloatRGBASupport(const TextureCapsMap & textureCaps)748 static bool DetermineColorBufferFloatRGBASupport(const TextureCapsMap &textureCaps)
749 {
750 constexpr GLenum requiredFormats[] = {
751 GL_RGBA32F,
752 };
753
754 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
755 }
756
757 // Check for GL_EXT_color_buffer_float support
DetermineColorBufferFloatSupport(const TextureCapsMap & textureCaps)758 static bool DetermineColorBufferFloatSupport(const TextureCapsMap &textureCaps)
759 {
760 constexpr GLenum nonBlendableFormats[] = {
761 GL_R32F,
762 GL_RG32F,
763 GL_RGBA32F,
764 };
765
766 constexpr GLenum blendableFormats[] = {
767 GL_R16F,
768 GL_RG16F,
769 GL_RGBA16F,
770 GL_R11F_G11F_B10F,
771 };
772
773 return GetFormatSupport(textureCaps, nonBlendableFormats, true, false, true, true, false) &&
774 GetFormatSupport(textureCaps, blendableFormats, true, false, true, true, true);
775 }
776
777 // Check for GL_EXT_float_blend support
DetermineFloatBlendSupport(const TextureCapsMap & textureCaps)778 static bool DetermineFloatBlendSupport(const TextureCapsMap &textureCaps)
779 {
780 constexpr GLenum requiredFormats[] = {
781 GL_R32F,
782 GL_RG32F,
783 GL_RGBA32F,
784 };
785
786 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, true);
787 }
788
789 // Check for GL_EXT_texture_norm16 support
DetermineTextureNorm16Support(const TextureCapsMap & textureCaps)790 static bool DetermineTextureNorm16Support(const TextureCapsMap &textureCaps)
791 {
792 constexpr GLenum requiredFilterFormats[] = {
793 GL_R16_EXT, GL_RG16_EXT, GL_RGB16_EXT, GL_RGBA16_EXT,
794 GL_R16_SNORM_EXT, GL_RG16_SNORM_EXT, GL_RGB16_SNORM_EXT, GL_RGBA16_SNORM_EXT,
795 };
796
797 constexpr GLenum requiredRenderFormats[] = {
798 GL_R16_EXT,
799 GL_RG16_EXT,
800 GL_RGBA16_EXT,
801 };
802
803 return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
804 GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
805 }
806
807 // Check for EXT_texture_compression_rgtc support
DetermineRGTCTextureSupport(const TextureCapsMap & textureCaps)808 static bool DetermineRGTCTextureSupport(const TextureCapsMap &textureCaps)
809 {
810 constexpr GLenum requiredFormats[] = {
811 GL_COMPRESSED_RED_RGTC1_EXT, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,
812 GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT};
813
814 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
815 }
816
817 // Check for EXT_texture_compression_bptc support
DetermineBPTCTextureSupport(const TextureCapsMap & textureCaps)818 static bool DetermineBPTCTextureSupport(const TextureCapsMap &textureCaps)
819 {
820 constexpr GLenum requiredFormats[] = {
821 GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT,
822 GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT};
823
824 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
825 }
826
827 // Check for GL_IMG_texture_compression_pvrtc support
DeterminePVRTCTextureSupport(const TextureCapsMap & textureCaps)828 static bool DeterminePVRTCTextureSupport(const TextureCapsMap &textureCaps)
829 {
830 constexpr GLenum requiredFormats[] = {
831 GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,
832 GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG};
833
834 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
835 }
836
837 // Check for GL_EXT_pvrtc_sRGB support
DeterminePVRTCsRGBTextureSupport(const TextureCapsMap & textureCaps)838 static bool DeterminePVRTCsRGBTextureSupport(const TextureCapsMap &textureCaps)
839 {
840 constexpr GLenum requiredFormats[] = {
841 GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT,
842 GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT};
843
844 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
845 }
846
DetermineCompressedTextureETCSupport(const TextureCapsMap & textureCaps)847 bool DetermineCompressedTextureETCSupport(const TextureCapsMap &textureCaps)
848 {
849 constexpr GLenum requiredFormats[] = {GL_COMPRESSED_R11_EAC,
850 GL_COMPRESSED_SIGNED_R11_EAC,
851 GL_COMPRESSED_RG11_EAC,
852 GL_COMPRESSED_SIGNED_RG11_EAC,
853 GL_COMPRESSED_RGB8_ETC2,
854 GL_COMPRESSED_SRGB8_ETC2,
855 GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
856 GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
857 GL_COMPRESSED_RGBA8_ETC2_EAC,
858 GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC};
859
860 return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
861 }
862
863 // Checks for GL_OES_texture_stencil8 support
DetermineStencilIndex8Support(const TextureCapsMap & textureCaps)864 static bool DetermineStencilIndex8Support(const TextureCapsMap &textureCaps)
865 {
866 constexpr GLenum requiredFormats[] = {
867 GL_STENCIL_INDEX8,
868 };
869
870 return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
871 }
872
873 // Checks for GL_QCOM_render_shared_exponent support
DetermineRenderSharedExponentSupport(const TextureCapsMap & textureCaps)874 static bool DetermineRenderSharedExponentSupport(const TextureCapsMap &textureCaps)
875 {
876 constexpr GLenum requiredFormats[] = {
877 GL_RGB9_E5,
878 };
879
880 return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, true);
881 }
882
DetermineRenderSnormSupport(const TextureCapsMap & textureCaps,bool textureNorm16EXT)883 static bool DetermineRenderSnormSupport(const TextureCapsMap &textureCaps, bool textureNorm16EXT)
884 {
885 constexpr GLenum requiredSnorm8Formats[] = {
886 GL_R8_SNORM,
887 GL_RG8_SNORM,
888 GL_RGBA8_SNORM,
889 };
890
891 constexpr GLenum requiredSnorm16Formats[] = {
892 GL_R16_SNORM_EXT,
893 GL_RG16_SNORM_EXT,
894 GL_RGBA16_SNORM_EXT,
895 };
896
897 if (textureNorm16EXT &&
898 !GetFormatSupport(textureCaps, requiredSnorm16Formats, false, false, true, true, true))
899 {
900 return false;
901 }
902
903 return GetFormatSupport(textureCaps, requiredSnorm8Formats, false, false, true, true, true);
904 }
905
setTextureExtensionSupport(const TextureCapsMap & textureCaps)906 void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps)
907 {
908 // TODO(ynovikov): rgb8Rgba8OES, colorBufferHalfFloatEXT, textureHalfFloatOES,
909 // textureHalfFloatLinearOES, textureFloatOES, textureFloatLinearOES, textureRgEXT, sRGB,
910 // colorBufferFloatRgbCHROMIUM, colorBufferFloatRgbaCHROMIUM and colorBufferFloatEXT were
911 // verified. Verify the rest.
912 packedDepthStencilOES = DeterminePackedDepthStencilSupport(textureCaps);
913 rgba8ARM = DetermineRGBA8TextureSupport(textureCaps);
914 rgb8Rgba8OES = rgba8ARM && DetermineRGB8TextureSupport(textureCaps);
915 readDepthNV = DetermineReadDepthSupport(textureCaps);
916 readStencilNV = DetermineReadStencilSupport(textureCaps);
917 depthBufferFloat2NV = DetermineDepthBufferFloat2Support(textureCaps);
918 requiredInternalformatOES = DetermineRequiredInternalFormatTextureSupport(textureCaps);
919 textureFormatBGRA8888EXT = DetermineBGRA8TextureSupport(textureCaps);
920 readFormatBgraEXT = DetermineBGRAReadFormatSupport(textureCaps);
921 textureHalfFloatOES = DetermineHalfFloatTextureSupport(textureCaps);
922 textureHalfFloatLinearOES =
923 DetermineHalfFloatTextureFilteringSupport(textureCaps, textureHalfFloatOES);
924 textureFloatOES = DetermineFloatTextureSupport(textureCaps);
925 textureFloatLinearOES = DetermineFloatTextureFilteringSupport(textureCaps, textureFloatOES);
926 textureRgEXT = DetermineRGTextureSupport(textureCaps, textureHalfFloatOES, textureFloatOES);
927 colorBufferHalfFloatEXT =
928 textureHalfFloatOES && DetermineColorBufferHalfFloatSupport(textureCaps);
929 textureType2101010REVEXT = DetermineTextureFormat2101010Support(textureCaps);
930 textureCompressionDxt1EXT = DetermineDXT1TextureSupport(textureCaps);
931 textureCompressionDxt3ANGLE = DetermineDXT3TextureSupport(textureCaps);
932 textureCompressionDxt5ANGLE = DetermineDXT5TextureSupport(textureCaps);
933 textureCompressionS3tcSrgbEXT = DetermineS3TCsRGBTextureSupport(textureCaps);
934 textureCompressionAstcLdrKHR = DetermineASTCLDRTextureSupport(textureCaps);
935 textureCompressionAstcOES = DetermineASTCOESTExtureSupport(textureCaps);
936 compressedETC1RGB8TextureOES = DetermineETC1RGB8TextureSupport(textureCaps);
937 compressedETC2RGB8TextureOES = DetermineETC2RGB8TextureSupport(textureCaps);
938 compressedETC2SRGB8TextureOES = DetermineETC2sRGB8TextureSupport(textureCaps);
939 compressedETC2PunchthroughARGBA8TextureOES =
940 DetermineETC2PunchthroughARGB8TextureSupport(textureCaps);
941 compressedETC2PunchthroughASRGB8AlphaTextureOES =
942 DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(textureCaps);
943 compressedETC2RGBA8TextureOES = DetermineETC2RGBA8TextureSupport(textureCaps);
944 compressedETC2SRGB8Alpha8TextureOES = DetermineETC2sRGB8Alpha8TextureSupport(textureCaps);
945 compressedEACR11UnsignedTextureOES = DetermineEACR11UnsignedTextureSupport(textureCaps);
946 compressedEACR11SignedTextureOES = DetermineEACR11SignedTextureSupport(textureCaps);
947 compressedEACRG11UnsignedTextureOES = DetermineEACRG11UnsignedTextureSupport(textureCaps);
948 compressedEACRG11SignedTextureOES = DetermineEACRG11SignedTextureSupport(textureCaps);
949 sRGBEXT = DetermineSRGBTextureSupport(textureCaps);
950 textureSRGBR8EXT = DetermineSRGBR8TextureSupport(textureCaps);
951 textureSRGBRG8EXT = DetermineSRGBRG8TextureSupport(textureCaps);
952 depthTextureANGLE = DetermineDepthTextureANGLESupport(textureCaps);
953 depthTextureOES = DetermineDepthTextureOESSupport(textureCaps);
954 depth24OES = DetermineDepth24OESSupport(textureCaps);
955 depth32OES = DetermineDepth32Support(textureCaps);
956 colorBufferFloatRgbCHROMIUM = DetermineColorBufferFloatRGBSupport(textureCaps);
957 colorBufferFloatRgbaCHROMIUM = DetermineColorBufferFloatRGBASupport(textureCaps);
958 colorBufferFloatEXT = DetermineColorBufferFloatSupport(textureCaps);
959 floatBlendEXT = DetermineFloatBlendSupport(textureCaps);
960 textureNorm16EXT = DetermineTextureNorm16Support(textureCaps);
961 textureCompressionRgtcEXT = DetermineRGTCTextureSupport(textureCaps);
962 textureCompressionBptcEXT = DetermineBPTCTextureSupport(textureCaps);
963 textureCompressionPvrtcIMG = DeterminePVRTCTextureSupport(textureCaps);
964 pvrtcSRGBEXT = DeterminePVRTCsRGBTextureSupport(textureCaps);
965 textureStencil8OES = DetermineStencilIndex8Support(textureCaps);
966 renderSharedExponentQCOM = DetermineRenderSharedExponentSupport(textureCaps);
967 renderSnormEXT = DetermineRenderSnormSupport(textureCaps, textureNorm16EXT);
968 }
969
970 TypePrecision::TypePrecision() = default;
971
972 TypePrecision::TypePrecision(const TypePrecision &other) = default;
973
974 TypePrecision &TypePrecision::operator=(const TypePrecision &other) = default;
975
setIEEEFloat()976 void TypePrecision::setIEEEFloat()
977 {
978 range = {{127, 127}};
979 precision = 23;
980 }
981
setIEEEHalfFloat()982 void TypePrecision::setIEEEHalfFloat()
983 {
984 range = {{15, 15}};
985 precision = 10;
986 }
987
setTwosComplementInt(unsigned int bits)988 void TypePrecision::setTwosComplementInt(unsigned int bits)
989 {
990 range = {{static_cast<GLint>(bits) - 1, static_cast<GLint>(bits) - 2}};
991 precision = 0;
992 }
993
setSimulatedFloat(unsigned int r,unsigned int p)994 void TypePrecision::setSimulatedFloat(unsigned int r, unsigned int p)
995 {
996 range = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
997 precision = static_cast<GLint>(p);
998 }
999
setSimulatedInt(unsigned int r)1000 void TypePrecision::setSimulatedInt(unsigned int r)
1001 {
1002 range = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
1003 precision = 0;
1004 }
1005
get(GLint * returnRange,GLint * returnPrecision) const1006 void TypePrecision::get(GLint *returnRange, GLint *returnPrecision) const
1007 {
1008 std::copy(range.begin(), range.end(), returnRange);
1009 *returnPrecision = precision;
1010 }
1011
1012 Caps::Caps() = default;
1013 Caps::Caps(const Caps &other) = default;
1014 Caps::~Caps() = default;
1015 Caps &Caps::operator=(const Caps &other) = default;
1016
GenerateMinimumCaps(const Version & clientVersion,const Extensions & extensions)1017 Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions)
1018 {
1019 Caps caps;
1020
1021 // EXT_draw_buffers. Set to 1 even if the extension is not present. Framebuffer and blend state
1022 // depends on this being > 0.
1023 caps.maxDrawBuffers = 1;
1024 caps.maxColorAttachments = 1;
1025
1026 // GLES1 emulation (Minimums taken from Table 6.20 / 6.22 (ES 1.1 spec))
1027 if (clientVersion < Version(2, 0))
1028 {
1029 caps.maxMultitextureUnits = 2;
1030 caps.maxLights = 8;
1031 caps.maxClipPlanes = 1;
1032
1033 caps.maxModelviewMatrixStackDepth = 16;
1034 caps.maxProjectionMatrixStackDepth = 2;
1035 caps.maxTextureMatrixStackDepth = 2;
1036
1037 caps.minSmoothPointSize = 1.0f;
1038 caps.maxSmoothPointSize = 1.0f;
1039 }
1040
1041 if (clientVersion >= Version(2, 0))
1042 {
1043 // Table 6.18
1044 caps.max2DTextureSize = 64;
1045 caps.maxCubeMapTextureSize = 16;
1046 caps.maxViewportWidth = caps.max2DTextureSize;
1047 caps.maxViewportHeight = caps.max2DTextureSize;
1048 caps.minAliasedPointSize = 1;
1049 caps.maxAliasedPointSize = 1;
1050 caps.minAliasedLineWidth = 1;
1051 caps.maxAliasedLineWidth = 1;
1052
1053 // Table 6.19
1054 caps.vertexHighpFloat.setSimulatedFloat(62, 16);
1055 caps.vertexMediumpFloat.setSimulatedFloat(14, 10);
1056 caps.vertexLowpFloat.setSimulatedFloat(1, 8);
1057 caps.vertexHighpInt.setSimulatedInt(16);
1058 caps.vertexMediumpInt.setSimulatedInt(10);
1059 caps.vertexLowpInt.setSimulatedInt(8);
1060 caps.fragmentHighpFloat.setSimulatedFloat(62, 16);
1061 caps.fragmentMediumpFloat.setSimulatedFloat(14, 10);
1062 caps.fragmentLowpFloat.setSimulatedFloat(1, 8);
1063 caps.fragmentHighpInt.setSimulatedInt(16);
1064 caps.fragmentMediumpInt.setSimulatedInt(10);
1065 caps.fragmentLowpInt.setSimulatedInt(8);
1066
1067 // Table 6.20
1068 caps.maxVertexAttributes = 8;
1069 caps.maxVertexUniformVectors = 128;
1070 caps.maxVaryingVectors = 8;
1071 caps.maxCombinedTextureImageUnits = 8;
1072 caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 8;
1073 caps.maxFragmentUniformVectors = 16;
1074 caps.maxRenderbufferSize = 1;
1075
1076 // Table 3.35
1077 caps.maxSamples = 4;
1078 }
1079
1080 if (clientVersion >= Version(3, 0))
1081 {
1082 // Table 6.28
1083 caps.maxElementIndex = (1 << 24) - 1;
1084 caps.max3DTextureSize = 256;
1085 caps.max2DTextureSize = 2048;
1086 caps.maxArrayTextureLayers = 256;
1087 caps.maxLODBias = 2.0f;
1088 caps.maxCubeMapTextureSize = 2048;
1089 caps.maxRenderbufferSize = 2048;
1090 caps.maxDrawBuffers = 4;
1091 caps.maxColorAttachments = 4;
1092 caps.maxViewportWidth = caps.max2DTextureSize;
1093 caps.maxViewportHeight = caps.max2DTextureSize;
1094
1095 // Table 6.29
1096 caps.compressedTextureFormats.push_back(GL_COMPRESSED_R11_EAC);
1097 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
1098 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RG11_EAC);
1099 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
1100 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_ETC2);
1101 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ETC2);
1102 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
1103 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
1104 caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
1105 caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
1106 caps.vertexHighpFloat.setIEEEFloat();
1107 caps.vertexHighpInt.setTwosComplementInt(32);
1108 caps.vertexMediumpInt.setTwosComplementInt(16);
1109 caps.vertexLowpInt.setTwosComplementInt(8);
1110 caps.fragmentHighpFloat.setIEEEFloat();
1111 caps.fragmentHighpInt.setSimulatedInt(32);
1112 caps.fragmentMediumpInt.setTwosComplementInt(16);
1113 caps.fragmentLowpInt.setTwosComplementInt(8);
1114 caps.maxServerWaitTimeout = 0;
1115
1116 // Table 6.31
1117 caps.maxVertexAttributes = 16;
1118 caps.maxShaderUniformComponents[ShaderType::Vertex] = 1024;
1119 caps.maxVertexUniformVectors = 256;
1120 caps.maxShaderUniformBlocks[ShaderType::Vertex] = limits::kMinimumShaderUniformBlocks;
1121 caps.maxVertexOutputComponents = limits::kMinimumVertexOutputComponents;
1122 caps.maxShaderTextureImageUnits[ShaderType::Vertex] = 16;
1123
1124 // Table 6.32
1125 caps.maxShaderUniformComponents[ShaderType::Fragment] = 896;
1126 caps.maxFragmentUniformVectors = 224;
1127 caps.maxShaderUniformBlocks[ShaderType::Fragment] = limits::kMinimumShaderUniformBlocks;
1128 caps.maxFragmentInputComponents = 60;
1129 caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 16;
1130 caps.minProgramTexelOffset = -8;
1131 caps.maxProgramTexelOffset = 7;
1132
1133 // Table 6.33
1134 caps.maxUniformBufferBindings = 24;
1135 caps.maxUniformBlockSize = 16384;
1136 caps.uniformBufferOffsetAlignment = 256;
1137 caps.maxCombinedUniformBlocks = 24;
1138 caps.maxVaryingComponents = 60;
1139 caps.maxVaryingVectors = 15;
1140 caps.maxCombinedTextureImageUnits = 32;
1141
1142 // Table 6.34
1143 caps.maxTransformFeedbackInterleavedComponents = 64;
1144 caps.maxTransformFeedbackSeparateAttributes = 4;
1145 caps.maxTransformFeedbackSeparateComponents = 4;
1146 }
1147
1148 if (clientVersion >= Version(3, 1))
1149 {
1150 // Table 20.40
1151 caps.maxFramebufferWidth = 2048;
1152 caps.maxFramebufferHeight = 2048;
1153 caps.maxFramebufferSamples = 4;
1154 caps.maxSampleMaskWords = 1;
1155 caps.maxColorTextureSamples = 1;
1156 caps.maxDepthTextureSamples = 1;
1157 caps.maxIntegerSamples = 1;
1158
1159 // Table 20.41
1160 caps.maxVertexAttribRelativeOffset = 2047;
1161 caps.maxVertexAttribBindings = 16;
1162 caps.maxVertexAttribStride = 2048;
1163
1164 // Table 20.43
1165 caps.maxShaderAtomicCounterBuffers[ShaderType::Vertex] = 0;
1166 caps.maxShaderAtomicCounters[ShaderType::Vertex] = 0;
1167 caps.maxShaderImageUniforms[ShaderType::Vertex] = 0;
1168 caps.maxShaderStorageBlocks[ShaderType::Vertex] = 0;
1169
1170 // Table 20.44
1171 caps.maxShaderUniformComponents[ShaderType::Fragment] = 1024;
1172 caps.maxFragmentUniformVectors = 256;
1173 caps.maxShaderAtomicCounterBuffers[ShaderType::Fragment] = 0;
1174 caps.maxShaderAtomicCounters[ShaderType::Fragment] = 0;
1175 caps.maxShaderImageUniforms[ShaderType::Fragment] = 0;
1176 caps.maxShaderStorageBlocks[ShaderType::Fragment] = 0;
1177 caps.minProgramTextureGatherOffset = caps.minProgramTexelOffset;
1178 caps.maxProgramTextureGatherOffset = caps.maxProgramTexelOffset;
1179
1180 // Table 20.45
1181 caps.maxComputeWorkGroupCount = {{65535, 65535, 65535}};
1182 caps.maxComputeWorkGroupSize = {{128, 128, 64}};
1183 caps.maxComputeWorkGroupInvocations = 128;
1184 caps.maxShaderUniformBlocks[ShaderType::Compute] = limits::kMinimumShaderUniformBlocks;
1185 caps.maxShaderTextureImageUnits[ShaderType::Compute] = 16;
1186 caps.maxComputeSharedMemorySize = 16384;
1187 caps.maxShaderUniformComponents[ShaderType::Compute] = 1024;
1188 caps.maxShaderAtomicCounterBuffers[ShaderType::Compute] = 1;
1189 caps.maxShaderAtomicCounters[ShaderType::Compute] = 8;
1190 caps.maxShaderImageUniforms[ShaderType::Compute] = 4;
1191 caps.maxShaderStorageBlocks[ShaderType::Compute] = 4;
1192
1193 // Table 20.46
1194 caps.maxUniformBufferBindings = 36;
1195 caps.maxCombinedTextureImageUnits = 48;
1196 caps.maxCombinedShaderOutputResources = 4;
1197
1198 // Table 20.47
1199 caps.maxUniformLocations = 1024;
1200 caps.maxAtomicCounterBufferBindings = 1;
1201 caps.maxAtomicCounterBufferSize = 32;
1202 caps.maxCombinedAtomicCounterBuffers = 1;
1203 caps.maxCombinedAtomicCounters = 8;
1204 caps.maxImageUnits = 4;
1205 caps.maxCombinedImageUniforms = 4;
1206 caps.maxShaderStorageBufferBindings = 4;
1207 caps.maxShaderStorageBlockSize = 1 << 27;
1208 caps.maxCombinedShaderStorageBlocks = 4;
1209 caps.shaderStorageBufferOffsetAlignment = 256;
1210 }
1211
1212 if (clientVersion >= Version(3, 2))
1213 {
1214 // Table 21.40
1215 caps.lineWidthGranularity = 1.0;
1216 caps.minMultisampleLineWidth = 1.0;
1217 caps.maxMultisampleLineWidth = 1.0;
1218 }
1219
1220 if (extensions.blendFuncExtendedEXT)
1221 {
1222 caps.maxDualSourceDrawBuffers = 1;
1223 }
1224
1225 if (extensions.textureRectangleANGLE)
1226 {
1227 caps.maxRectangleTextureSize = 64;
1228 }
1229
1230 if (extensions.geometryShaderAny())
1231 {
1232 // Table 20.40 (GL_EXT_geometry_shader)
1233 caps.maxFramebufferLayers = 256;
1234 caps.layerProvokingVertex = GL_LAST_VERTEX_CONVENTION_EXT;
1235
1236 // Table 20.43gs (GL_EXT_geometry_shader)
1237 caps.maxShaderUniformComponents[ShaderType::Geometry] = 1024;
1238 caps.maxShaderUniformBlocks[ShaderType::Geometry] = limits::kMinimumShaderUniformBlocks;
1239 caps.maxGeometryInputComponents = 64;
1240 caps.maxGeometryOutputComponents = 64;
1241 caps.maxGeometryOutputVertices = 256;
1242 caps.maxGeometryTotalOutputComponents = 1024;
1243 caps.maxShaderTextureImageUnits[ShaderType::Geometry] = 16;
1244 caps.maxShaderAtomicCounterBuffers[ShaderType::Geometry] = 0;
1245 caps.maxShaderAtomicCounters[ShaderType::Geometry] = 0;
1246 caps.maxShaderStorageBlocks[ShaderType::Geometry] = 0;
1247 caps.maxGeometryShaderInvocations = 32;
1248
1249 // Table 20.46 (GL_EXT_geometry_shader)
1250 caps.maxShaderImageUniforms[ShaderType::Geometry] = 0;
1251
1252 // Table 20.46 (GL_EXT_geometry_shader)
1253 caps.maxUniformBufferBindings = 48;
1254 caps.maxCombinedUniformBlocks = 36;
1255 caps.maxCombinedTextureImageUnits = 64;
1256 }
1257
1258 if (extensions.tessellationShaderAny())
1259 {
1260 // Table 20.43 "Implementation Dependent Tessellation Shader Limits"
1261 caps.maxTessControlInputComponents = 64;
1262 caps.maxTessControlOutputComponents = 64;
1263 caps.maxShaderTextureImageUnits[ShaderType::TessControl] = 16;
1264 caps.maxShaderUniformComponents[ShaderType::TessControl] = 1024;
1265 caps.maxTessControlTotalOutputComponents = 2048;
1266 caps.maxShaderImageUniforms[ShaderType::TessControl] = 0;
1267 caps.maxShaderAtomicCounters[ShaderType::TessControl] = 0;
1268 caps.maxShaderAtomicCounterBuffers[ShaderType::TessControl] = 0;
1269
1270 caps.maxTessPatchComponents = 120;
1271 caps.maxPatchVertices = 32;
1272 caps.maxTessGenLevel = 64;
1273
1274 caps.maxTessEvaluationInputComponents = 64;
1275 caps.maxTessEvaluationOutputComponents = 64;
1276 caps.maxShaderTextureImageUnits[ShaderType::TessEvaluation] = 16;
1277 caps.maxShaderUniformComponents[ShaderType::TessEvaluation] = 1024;
1278 caps.maxShaderImageUniforms[ShaderType::TessEvaluation] = 0;
1279 caps.maxShaderAtomicCounters[ShaderType::TessEvaluation] = 0;
1280 caps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation] = 0;
1281
1282 // Table 20.46 "Implementation Dependent Aggregate Shader Limits"
1283 caps.maxUniformBufferBindings = 72;
1284 caps.maxCombinedUniformBlocks = 60;
1285 caps.maxCombinedTextureImageUnits = 96;
1286 }
1287
1288 for (ShaderType shaderType : AllShaderTypes())
1289 {
1290 caps.maxCombinedShaderUniformComponents[shaderType] =
1291 caps.maxShaderUniformBlocks[shaderType] *
1292 static_cast<GLuint>(caps.maxUniformBlockSize / 4) +
1293 caps.maxShaderUniformComponents[shaderType];
1294 }
1295
1296 return caps;
1297 }
1298 } // namespace gl
1299
1300 namespace egl
1301 {
1302
1303 Caps::Caps() = default;
1304
1305 DisplayExtensions::DisplayExtensions() = default;
1306
getStrings() const1307 std::vector<std::string> DisplayExtensions::getStrings() const
1308 {
1309 std::vector<std::string> extensionStrings;
1310
1311 // clang-format off
1312 // | Extension name | Supported flag | Output vector |
1313 InsertExtensionString("EGL_EXT_create_context_robustness", createContextRobustness, &extensionStrings);
1314 InsertExtensionString("EGL_ANGLE_d3d_share_handle_client_buffer", d3dShareHandleClientBuffer, &extensionStrings);
1315 InsertExtensionString("EGL_ANGLE_d3d_texture_client_buffer", d3dTextureClientBuffer, &extensionStrings);
1316 InsertExtensionString("EGL_ANGLE_surface_d3d_texture_2d_share_handle", surfaceD3DTexture2DShareHandle, &extensionStrings);
1317 InsertExtensionString("EGL_ANGLE_query_surface_pointer", querySurfacePointer, &extensionStrings);
1318 InsertExtensionString("EGL_ANGLE_window_fixed_size", windowFixedSize, &extensionStrings);
1319 InsertExtensionString("EGL_ANGLE_keyed_mutex", keyedMutex, &extensionStrings);
1320 InsertExtensionString("EGL_ANGLE_surface_orientation", surfaceOrientation, &extensionStrings);
1321 InsertExtensionString("EGL_ANGLE_direct_composition", directComposition, &extensionStrings);
1322 InsertExtensionString("EGL_ANGLE_windows_ui_composition", windowsUIComposition, &extensionStrings);
1323 InsertExtensionString("EGL_NV_post_sub_buffer", postSubBuffer, &extensionStrings);
1324 InsertExtensionString("EGL_KHR_create_context", createContext, &extensionStrings);
1325 InsertExtensionString("EGL_KHR_image", image, &extensionStrings);
1326 InsertExtensionString("EGL_KHR_image_base", imageBase, &extensionStrings);
1327 InsertExtensionString("EGL_KHR_image_pixmap", imagePixmap, &extensionStrings);
1328 InsertExtensionString("EGL_EXT_image_gl_colorspace", imageGlColorspace, &extensionStrings);
1329 InsertExtensionString("EGL_KHR_gl_colorspace", glColorspace, &extensionStrings);
1330 InsertExtensionString("EGL_EXT_gl_colorspace_scrgb", glColorspaceScrgb, &extensionStrings);
1331 InsertExtensionString("EGL_EXT_gl_colorspace_scrgb_linear", glColorspaceScrgbLinear, &extensionStrings);
1332 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3", glColorspaceDisplayP3, &extensionStrings);
1333 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_linear", glColorspaceDisplayP3Linear, &extensionStrings);
1334 InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_passthrough", glColorspaceDisplayP3Passthrough, &extensionStrings);
1335 InsertExtensionString("EGL_ANGLE_colorspace_attribute_passthrough", eglColorspaceAttributePassthroughANGLE, &extensionStrings);
1336 InsertExtensionString("EGL_EXT_gl_colorspace_bt2020_linear", glColorspaceBt2020Linear, &extensionStrings);
1337 InsertExtensionString("EGL_EXT_gl_colorspace_bt2020_pq", glColorspaceBt2020Pq, &extensionStrings);
1338 InsertExtensionString("EGL_EXT_gl_colorspace_bt2020_hlg", glColorspaceBt2020Hlg, &extensionStrings);
1339 InsertExtensionString("EGL_KHR_gl_texture_2D_image", glTexture2DImage, &extensionStrings);
1340 InsertExtensionString("EGL_KHR_gl_texture_cubemap_image", glTextureCubemapImage, &extensionStrings);
1341 InsertExtensionString("EGL_KHR_gl_texture_3D_image", glTexture3DImage, &extensionStrings);
1342 InsertExtensionString("EGL_KHR_gl_renderbuffer_image", glRenderbufferImage, &extensionStrings);
1343 InsertExtensionString("EGL_KHR_get_all_proc_addresses", getAllProcAddresses, &extensionStrings);
1344 InsertExtensionString("EGL_KHR_stream", stream, &extensionStrings);
1345 InsertExtensionString("EGL_KHR_stream_consumer_gltexture", streamConsumerGLTexture, &extensionStrings);
1346 InsertExtensionString("EGL_NV_stream_consumer_gltexture_yuv", streamConsumerGLTextureYUV, &extensionStrings);
1347 InsertExtensionString("EGL_KHR_fence_sync", fenceSync, &extensionStrings);
1348 InsertExtensionString("EGL_KHR_wait_sync", waitSync, &extensionStrings);
1349 InsertExtensionString("EGL_ANGLE_stream_producer_d3d_texture", streamProducerD3DTexture, &extensionStrings);
1350 InsertExtensionString("EGL_ANGLE_create_context_webgl_compatibility", createContextWebGLCompatibility, &extensionStrings);
1351 InsertExtensionString("EGL_CHROMIUM_create_context_bind_generates_resource", createContextBindGeneratesResource, &extensionStrings);
1352 InsertExtensionString("EGL_CHROMIUM_sync_control", syncControlCHROMIUM, &extensionStrings);
1353 InsertExtensionString("EGL_ANGLE_sync_control_rate", syncControlRateANGLE, &extensionStrings);
1354 InsertExtensionString("EGL_KHR_swap_buffers_with_damage", swapBuffersWithDamage, &extensionStrings);
1355 InsertExtensionString("EGL_EXT_pixel_format_float", pixelFormatFloat, &extensionStrings);
1356 InsertExtensionString("EGL_KHR_surfaceless_context", surfacelessContext, &extensionStrings);
1357 InsertExtensionString("EGL_ANGLE_display_texture_share_group", displayTextureShareGroup, &extensionStrings);
1358 InsertExtensionString("EGL_ANGLE_display_semaphore_share_group", displaySemaphoreShareGroup, &extensionStrings);
1359 InsertExtensionString("EGL_ANGLE_create_context_client_arrays", createContextClientArrays, &extensionStrings);
1360 InsertExtensionString("EGL_ANGLE_program_cache_control", programCacheControlANGLE, &extensionStrings);
1361 InsertExtensionString("EGL_ANGLE_robust_resource_initialization", robustResourceInitializationANGLE, &extensionStrings);
1362 InsertExtensionString("EGL_ANGLE_iosurface_client_buffer", iosurfaceClientBuffer, &extensionStrings);
1363 InsertExtensionString("EGL_ANGLE_metal_texture_client_buffer", mtlTextureClientBuffer, &extensionStrings);
1364 InsertExtensionString("EGL_ANGLE_create_context_extensions_enabled", createContextExtensionsEnabled, &extensionStrings);
1365 InsertExtensionString("EGL_ANDROID_presentation_time", presentationTime, &extensionStrings);
1366 InsertExtensionString("EGL_ANDROID_blob_cache", blobCache, &extensionStrings);
1367 InsertExtensionString("EGL_ANDROID_framebuffer_target", framebufferTargetANDROID, &extensionStrings);
1368 InsertExtensionString("EGL_ANDROID_image_native_buffer", imageNativeBuffer, &extensionStrings);
1369 InsertExtensionString("EGL_ANDROID_get_frame_timestamps", getFrameTimestamps, &extensionStrings);
1370 InsertExtensionString("EGL_ANDROID_front_buffer_auto_refresh", frontBufferAutoRefreshANDROID, &extensionStrings);
1371 InsertExtensionString("EGL_ANGLE_timestamp_surface_attribute", timestampSurfaceAttributeANGLE, &extensionStrings);
1372 InsertExtensionString("EGL_ANDROID_recordable", recordable, &extensionStrings);
1373 InsertExtensionString("EGL_ANGLE_power_preference", powerPreference, &extensionStrings);
1374 InsertExtensionString("EGL_ANGLE_wait_until_work_scheduled", waitUntilWorkScheduled, &extensionStrings);
1375 InsertExtensionString("EGL_ANGLE_image_d3d11_texture", imageD3D11Texture, &extensionStrings);
1376 InsertExtensionString("EGL_ANDROID_create_native_client_buffer", createNativeClientBufferANDROID, &extensionStrings);
1377 InsertExtensionString("EGL_ANDROID_get_native_client_buffer", getNativeClientBufferANDROID, &extensionStrings);
1378 InsertExtensionString("EGL_ANDROID_native_fence_sync", nativeFenceSyncANDROID, &extensionStrings);
1379 InsertExtensionString("EGL_ANGLE_create_context_backwards_compatible", createContextBackwardsCompatible, &extensionStrings);
1380 InsertExtensionString("EGL_KHR_no_config_context", noConfigContext, &extensionStrings);
1381 InsertExtensionString("EGL_IMG_context_priority", contextPriority, &extensionStrings);
1382 InsertExtensionString("EGL_KHR_create_context_no_error", createContextNoError, &extensionStrings);
1383 InsertExtensionString("EGL_EXT_image_dma_buf_import", imageDmaBufImportEXT, &extensionStrings);
1384 InsertExtensionString("EGL_EXT_image_dma_buf_import_modifiers", imageDmaBufImportModifiersEXT, &extensionStrings);
1385 InsertExtensionString("EGL_NOK_texture_from_pixmap", textureFromPixmapNOK, &extensionStrings);
1386 InsertExtensionString("EGL_NV_robustness_video_memory_purge", robustnessVideoMemoryPurgeNV, &extensionStrings);
1387 InsertExtensionString("EGL_KHR_reusable_sync", reusableSyncKHR, &extensionStrings);
1388 InsertExtensionString("EGL_ANGLE_external_context_and_surface", externalContextAndSurface, &extensionStrings);
1389 InsertExtensionString("EGL_EXT_buffer_age", bufferAgeEXT, &extensionStrings);
1390 InsertExtensionString("EGL_KHR_mutable_render_buffer", mutableRenderBufferKHR, &extensionStrings);
1391 InsertExtensionString("EGL_EXT_protected_content", protectedContentEXT, &extensionStrings);
1392 InsertExtensionString("EGL_ANGLE_create_surface_swap_interval", createSurfaceSwapIntervalANGLE, &extensionStrings);
1393 InsertExtensionString("EGL_ANGLE_context_virtualization", contextVirtualizationANGLE, &extensionStrings);
1394 InsertExtensionString("EGL_KHR_lock_surface3", lockSurface3KHR, &extensionStrings);
1395 InsertExtensionString("EGL_ANGLE_vulkan_image", vulkanImageANGLE, &extensionStrings);
1396 InsertExtensionString("EGL_ANGLE_metal_create_context_ownership_identity", metalCreateContextOwnershipIdentityANGLE, &extensionStrings);
1397 InsertExtensionString("EGL_KHR_partial_update", partialUpdateKHR, &extensionStrings);
1398 InsertExtensionString("EGL_ANGLE_metal_shared_event_sync", mtlSyncSharedEventANGLE, &extensionStrings);
1399 InsertExtensionString("EGL_ANGLE_global_fence_sync", globalFenceSyncANGLE, &extensionStrings);
1400 // clang-format on
1401
1402 return extensionStrings;
1403 }
1404
1405 DeviceExtensions::DeviceExtensions() = default;
1406
getStrings() const1407 std::vector<std::string> DeviceExtensions::getStrings() const
1408 {
1409 std::vector<std::string> extensionStrings;
1410
1411 // clang-format off
1412 // | Extension name | Supported flag | Output vector |
1413 InsertExtensionString("EGL_ANGLE_device_d3d", deviceD3D, &extensionStrings);
1414 InsertExtensionString("EGL_ANGLE_device_d3d9", deviceD3D9, &extensionStrings);
1415 InsertExtensionString("EGL_ANGLE_device_d3d11", deviceD3D11, &extensionStrings);
1416 InsertExtensionString("EGL_ANGLE_device_cgl", deviceCGL, &extensionStrings);
1417 InsertExtensionString("EGL_ANGLE_device_metal", deviceMetal, &extensionStrings);
1418 InsertExtensionString("EGL_ANGLE_device_vulkan", deviceVulkan, &extensionStrings);
1419 InsertExtensionString("EGL_EXT_device_drm", deviceDrmEXT, &extensionStrings);
1420 InsertExtensionString("EGL_EXT_device_drm_render_node", deviceDrmRenderNodeEXT, &extensionStrings);
1421
1422 // clang-format on
1423
1424 return extensionStrings;
1425 }
1426
1427 ClientExtensions::ClientExtensions() = default;
1428 ClientExtensions::ClientExtensions(const ClientExtensions &other) = default;
1429
getStrings() const1430 std::vector<std::string> ClientExtensions::getStrings() const
1431 {
1432 std::vector<std::string> extensionStrings;
1433
1434 // clang-format off
1435 // | Extension name | Supported flag | Output vector |
1436 InsertExtensionString("EGL_EXT_client_extensions", clientExtensions, &extensionStrings);
1437 InsertExtensionString("EGL_EXT_device_query", deviceQueryEXT, &extensionStrings);
1438 InsertExtensionString("EGL_EXT_platform_base", platformBase, &extensionStrings);
1439 InsertExtensionString("EGL_EXT_platform_device", platformDevice, &extensionStrings);
1440 InsertExtensionString("EGL_KHR_platform_gbm", platformGbmKHR, &extensionStrings);
1441 InsertExtensionString("EGL_EXT_platform_wayland", platformWaylandEXT, &extensionStrings);
1442 InsertExtensionString("EGL_MESA_platform_surfaceless", platformSurfacelessMESA, &extensionStrings);
1443 InsertExtensionString("EGL_ANGLE_platform_angle", platformANGLE, &extensionStrings);
1444 InsertExtensionString("EGL_ANGLE_platform_angle_d3d", platformANGLED3D, &extensionStrings);
1445 InsertExtensionString("EGL_ANGLE_platform_angle_d3d11on12", platformANGLED3D11ON12, &extensionStrings);
1446 InsertExtensionString("EGL_ANGLE_platform_angle_d3d_luid", platformANGLED3DLUID, &extensionStrings);
1447 InsertExtensionString("EGL_ANGLE_platform_angle_device_type_egl_angle", platformANGLEDeviceTypeEGLANGLE, &extensionStrings);
1448 InsertExtensionString("EGL_ANGLE_platform_angle_device_type_swiftshader", platformANGLEDeviceTypeSwiftShader, &extensionStrings);
1449 InsertExtensionString("EGL_ANGLE_platform_angle_opengl", platformANGLEOpenGL, &extensionStrings);
1450 InsertExtensionString("EGL_ANGLE_platform_angle_null", platformANGLENULL, &extensionStrings);
1451 InsertExtensionString("EGL_ANGLE_platform_angle_webgpu", platformANGLEWebgpu, &extensionStrings);
1452 InsertExtensionString("EGL_ANGLE_platform_angle_vulkan", platformANGLEVulkan, &extensionStrings);
1453 InsertExtensionString("EGL_ANGLE_platform_angle_metal", platformANGLEMetal, &extensionStrings);
1454 InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_cgl", platformANGLEDeviceContextVolatileCgl, &extensionStrings);
1455 InsertExtensionString("EGL_ANGLE_platform_angle_device_id", platformANGLEDeviceId, &extensionStrings);
1456 InsertExtensionString("EGL_ANGLE_device_creation", deviceCreation, &extensionStrings);
1457 InsertExtensionString("EGL_ANGLE_device_creation_d3d11", deviceCreationD3D11, &extensionStrings);
1458 InsertExtensionString("EGL_ANGLE_x11_visual", x11Visual, &extensionStrings);
1459 InsertExtensionString("EGL_ANGLE_experimental_present_path", experimentalPresentPath, &extensionStrings);
1460 InsertExtensionString("EGL_KHR_client_get_all_proc_addresses", clientGetAllProcAddresses, &extensionStrings);
1461 InsertExtensionString("EGL_KHR_debug", debug, &extensionStrings);
1462 InsertExtensionString("EGL_ANGLE_feature_control", featureControlANGLE, &extensionStrings);
1463 InsertExtensionString("EGL_ANGLE_display_power_preference", displayPowerPreferenceANGLE, &extensionStrings);
1464 InsertExtensionString("EGL_ANGLE_no_error", noErrorANGLE, &extensionStrings);
1465 // clang-format on
1466
1467 return extensionStrings;
1468 }
1469
1470 } // namespace egl
1471