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gerrit-public.fairphone.software / platform / external / angle / cf180fccb24adbe48080876074b7a9cbd3435ab5 / . / src / libANGLE / formatutils.cpp
blob: 67bb2efdea7c8c9929bc43651aa246bccb83b8fa [file] [log] [blame]
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1//
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]2// Copyright (c) 2013-2014 The ANGLE Project Authors. All rights reserved.
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]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// formatutils.cpp: Queries for GL image formats.
8
Jamie Madill6a6b09c2017-01-12 21:52:29 +0000[diff] [blame]9#include "libANGLE/formatutils.h"
Yuly Novikovd73f8522017-01-13 17:48:57 -0500[diff] [blame]10
11#include "common/mathutil.h"
Geoff Lang2b5420c2014-11-19 14:20:15 -0500[diff] [blame]12#include "libANGLE/Context.h"
13#include "libANGLE/Framebuffer.h"
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]14
Jamie Madille2e406c2016-06-02 13:04:10 -0400[diff] [blame]15using namespace angle;
16
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]17namespace gl
18{
19
20// ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the implementation
21// can decide the true, sized, internal format. The ES2FormatMap determines the internal format for all valid
22// format and type combinations.
Jamie Madilled4d3422016-10-03 15:45:35 -0400[diff] [blame]23GLenum GetSizedFormatInternal(GLenum format, GLenum type);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]24
Jamie Madilled4d3422016-10-03 15:45:35 -0400[diff] [blame]25namespace
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]26{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]27using InternalFormatInfoMap =
28 std::unordered_map<GLenum, std::unordered_map<GLenum, InternalFormat>>;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]29
30} // anonymous namespace
31
32FormatType::FormatType() : format(GL_NONE), type(GL_NONE)
33{
34}
35
36FormatType::FormatType(GLenum format_, GLenum type_) : format(format_), type(type_)
37{
38}
39
40bool FormatType::operator<(const FormatType &other) const
41{
42 if (format != other.format)
43 return format < other.format;
44 return type < other.type;
45}
46
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]47Type::Type()
48 : bytes(0),
Olli Etuaho11ffe1b2015-03-24 17:28:18 +0200[diff] [blame]49 bytesShift(0),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]50 specialInterpretation(false)
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]51{
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]52}
53
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]54static Type GenTypeInfo(GLuint bytes, bool specialInterpretation)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]55{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]56 Type info;
57 info.bytes = bytes;
Olli Etuaho11ffe1b2015-03-24 17:28:18 +0200[diff] [blame]58 GLuint i = 0;
59 while ((1u << i) < bytes)
60 {
61 ++i;
62 }
63 info.bytesShift = i;
64 ASSERT((1u << info.bytesShift) == bytes);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]65 info.specialInterpretation = specialInterpretation;
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]66 return info;
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]67}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]68
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]69bool operator<(const Type& a, const Type& b)
70{
71 return memcmp(&a, &b, sizeof(Type)) < 0;
72}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]73
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]74// Information about internal formats
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]75static bool AlwaysSupported(const Version &, const Extensions &)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]76{
Geoff Lang493daf52014-07-03 13:38:44 -0400[diff] [blame]77 return true;
78}
79
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]80static bool NeverSupported(const Version &, const Extensions &)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]81{
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]82 return false;
83}
84
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]85template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion>
86static bool RequireES(const Version &clientVersion, const Extensions &)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]87{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]88 return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion);
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]89}
90
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]91// Pointer to a boolean memeber of the Extensions struct
92typedef bool(Extensions::*ExtensionBool);
93
94// Check support for a single extension
95template <ExtensionBool bool1>
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]96static bool RequireExt(const Version &, const Extensions &extensions)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]97{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]98 return extensions.*bool1;
99}
100
101// Check for a minimum client version or a single extension
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]102template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1>
103static bool RequireESOrExt(const Version &clientVersion, const Extensions &extensions)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]104{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]105 return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
106 extensions.*bool1;
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]107}
108
109// Check for a minimum client version or two extensions
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]110template <GLuint minCoreGLMajorVersion,
111 GLuint minCoreGLMinorVersion,
112 ExtensionBool bool1,
113 ExtensionBool bool2>
114static bool RequireESOrExtAndExt(const Version &clientVersion, const Extensions &extensions)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]115{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]116 return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
117 (extensions.*bool1 && extensions.*bool2);
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]118}
119
120// Check for a minimum client version or at least one of two extensions
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]121template <GLuint minCoreGLMajorVersion,
122 GLuint minCoreGLMinorVersion,
123 ExtensionBool bool1,
124 ExtensionBool bool2>
125static bool RequireESOrExtOrExt(const Version &clientVersion, const Extensions &extensions)
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]126{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]127 return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
128 extensions.*bool1 || extensions.*bool2;
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]129}
130
131// Check support for two extensions
132template <ExtensionBool bool1, ExtensionBool bool2>
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]133static bool RequireExtAndExt(const Version &, const Extensions &extensions)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]134{
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]135 return extensions.*bool1 && extensions.*bool2;
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]136}
137
Geoff Lang60ad73d2015-10-23 10:08:44 -0400[diff] [blame]138// Check support for either of two extensions
139template <ExtensionBool bool1, ExtensionBool bool2>
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]140static bool RequireExtOrExt(const Version &, const Extensions &extensions)
Geoff Lang60ad73d2015-10-23 10:08:44 -0400[diff] [blame]141{
142 return extensions.*bool1 || extensions.*bool2;
143}
144
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]145// Special function for half float formats with three or four channels.
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]146static bool HalfFloatSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]147{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]148 return clientVersion >= Version(3, 0) || extensions.textureHalfFloat;
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]149}
150
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]151static bool HalfFloatRGBRenderableSupport(const Version &clientVersion,
152 const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]153{
154 return HalfFloatSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat;
155}
156
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]157static bool HalfFloatRGBARenderableSupport(const Version &clientVersion,
158 const Extensions &extensions)
159{
160 return HalfFloatSupport(clientVersion, extensions) &&
161 (extensions.colorBufferHalfFloat || extensions.colorBufferFloat);
162}
163
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]164// Special function for half float formats with one or two channels.
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]165
166// R16F, RG16F
167static bool HalfFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]168{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]169 return clientVersion >= Version(3, 0) || (extensions.textureHalfFloat && extensions.textureRG);
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]170}
171
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]172// R16F, RG16F
173static bool HalfFloatRGRenderableSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]174{
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]175 // It's unclear if EXT_color_buffer_half_float gives renderability to non-OES half float
176 // textures
177 return HalfFloatRGSupport(clientVersion, extensions) &&
178 (extensions.colorBufferHalfFloat || extensions.colorBufferFloat);
179}
180
181// RED + HALF_FLOAT_OES, RG + HALF_FLOAT_OES
182static bool UnsizedHalfFloatOESRGSupport(const Version &, const Extensions &extensions)
183{
184 return extensions.textureHalfFloat && extensions.textureRG;
185}
186
187// RED + HALF_FLOAT_OES, RG + HALF_FLOAT_OES
188static bool UnsizedHalfFloatOESRGRenderableSupport(const Version &clientVersion,
189 const Extensions &extensions)
190{
191 return UnsizedHalfFloatOESRGSupport(clientVersion, extensions) &&
192 extensions.colorBufferHalfFloat;
193}
194
195// RGB + HALF_FLOAT_OES, RGBA + HALF_FLOAT_OES
196static bool UnsizedHalfFloatOESSupport(const Version &clientVersion, const Extensions &extensions)
197{
198 return extensions.textureHalfFloat;
199}
200
201// RGB + HALF_FLOAT_OES, RGBA + HALF_FLOAT_OES
202static bool UnsizedHalfFloatOESRenderableSupport(const Version &clientVersion,
203 const Extensions &extensions)
204{
205 return UnsizedHalfFloatOESSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat;
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]206}
207
208// Special function for float formats with three or four channels.
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]209
210// RGB32F, RGBA32F
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]211static bool FloatSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]212{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]213 return clientVersion >= Version(3, 0) || extensions.textureFloat;
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]214}
215
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]216// RGB32F
217static bool FloatRGBRenderableSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]218{
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]219 return FloatSupport(clientVersion, extensions) && extensions.colorBufferFloatRGB;
220}
221
222// RGBA32F
223static bool FloatRGBARenderableSupport(const Version &clientVersion, const Extensions &extensions)
224{
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]225 return FloatSupport(clientVersion, extensions) &&
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]226 (extensions.colorBufferFloat || extensions.colorBufferFloatRGBA);
227}
228
229// RGB + FLOAT, RGBA + FLOAT
230static bool UnsizedFloatSupport(const Version &clientVersion, const Extensions &extensions)
231{
232 return extensions.textureFloat;
233}
234
235// RGB + FLOAT
236static bool UnsizedFloatRGBRenderableSupport(const Version &clientVersion,
237 const Extensions &extensions)
238{
239 return UnsizedFloatSupport(clientVersion, extensions) && extensions.colorBufferFloatRGB;
240}
241
242// RGBA + FLOAT
243static bool UnsizedFloatRGBARenderableSupport(const Version &clientVersion,
244 const Extensions &extensions)
245{
246 return UnsizedFloatSupport(clientVersion, extensions) &&
247 (extensions.colorBufferFloatRGBA || extensions.colorBufferFloat);
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]248}
249
250// Special function for float formats with one or two channels.
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]251
252// R32F, RG32F
253static bool FloatRGSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]254{
Geoff Langeb66a6e2016-10-31 13:06:12 -0400[diff] [blame]255 return clientVersion >= Version(3, 0) || (extensions.textureFloat && extensions.textureRG);
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]256}
257
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]258// R32F, RG32F
259static bool FloatRGRenderableSupport(const Version &clientVersion, const Extensions &extensions)
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]260{
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]261 return FloatRGSupport(clientVersion, extensions) && extensions.colorBufferFloat;
262}
263
264// RED + FLOAT, RG + FLOAT
265static bool UnsizedFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
266{
267 return extensions.textureFloat && extensions.textureRG;
268}
269
270// RED + FLOAT, RG + FLOAT
271static bool UnsizedFloatRGRenderableSupport(const Version &clientVersion,
272 const Extensions &extensions)
273{
274 return FloatRGSupport(clientVersion, extensions) && extensions.colorBufferFloat;
Jamie Madillcd089732015-12-17 09:53:09 -0500[diff] [blame]275}
276
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]277InternalFormat::InternalFormat()
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]278 : internalFormat(GL_NONE),
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]279 sized(false),
280 sizedInternalFormat(GL_NONE),
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]281 redBits(0),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]282 greenBits(0),
283 blueBits(0),
284 luminanceBits(0),
285 alphaBits(0),
286 sharedBits(0),
287 depthBits(0),
288 stencilBits(0),
289 pixelBytes(0),
290 componentCount(0),
Corentin Wallezbc99bb62015-05-14 17:42:20 -0400[diff] [blame]291 compressed(false),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]292 compressedBlockWidth(0),
293 compressedBlockHeight(0),
294 format(GL_NONE),
295 type(GL_NONE),
296 componentType(GL_NONE),
297 colorEncoding(GL_NONE),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]298 textureSupport(NeverSupported),
299 renderSupport(NeverSupported),
300 filterSupport(NeverSupported)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]301{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]302}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]303
Jamie Madillacf2f3a2017-11-21 19:22:44 -0500[diff] [blame]304InternalFormat::InternalFormat(const InternalFormat &other) = default;
305
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]306bool InternalFormat::isLUMA() const
307{
308 return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 &&
309 (luminanceBits + alphaBits) > 0);
310}
311
Geoff Langf607c602016-09-21 11:46:48 -0400[diff] [blame]312GLenum InternalFormat::getReadPixelsFormat() const
313{
314 return format;
315}
316
Geoff Langc71ea662017-09-26 17:06:02 -0400[diff] [blame]317GLenum InternalFormat::getReadPixelsType(const Version &version) const
Geoff Langf607c602016-09-21 11:46:48 -0400[diff] [blame]318{
319 switch (type)
320 {
321 case GL_HALF_FLOAT:
Geoff Langc71ea662017-09-26 17:06:02 -0400[diff] [blame]322 case GL_HALF_FLOAT_OES:
323 if (version < Version(3, 0))
324 {
325 // The internal format may have a type of GL_HALF_FLOAT but when exposing this type
326 // as the IMPLEMENTATION_READ_TYPE, only HALF_FLOAT_OES is allowed by
327 // OES_texture_half_float. HALF_FLOAT becomes core in ES3 and is acceptable to use
328 // as an IMPLEMENTATION_READ_TYPE.
329 return GL_HALF_FLOAT_OES;
330 }
331 else
332 {
333 return GL_HALF_FLOAT;
334 }
Geoff Langf607c602016-09-21 11:46:48 -0400[diff] [blame]335
336 default:
337 return type;
338 }
339}
340
Olli Etuaho50c562d2017-06-06 14:43:30 +0300[diff] [blame]341bool InternalFormat::isRequiredRenderbufferFormat(const Version &version) const
342{
343 // GLES 3.0.5 section 4.4.2.2:
344 // "Implementations are required to support the same internal formats for renderbuffers as the
345 // required formats for textures enumerated in section 3.8.3.1, with the exception of the color
346 // formats labelled "texture-only"."
347 if (!sized || compressed)
348 {
349 return false;
350 }
351
352 // Luma formats.
353 if (isLUMA())
354 {
355 return false;
356 }
357
358 // Depth/stencil formats.
359 if (depthBits > 0 || stencilBits > 0)
360 {
361 // GLES 2.0.25 table 4.5.
362 // GLES 3.0.5 section 3.8.3.1.
363 // GLES 3.1 table 8.14.
364
365 // Required formats in all versions.
366 switch (internalFormat)
367 {
368 case GL_DEPTH_COMPONENT16:
369 case GL_STENCIL_INDEX8:
370 // Note that STENCIL_INDEX8 is not mentioned in GLES 3.0.5 section 3.8.3.1, but it
371 // is in section 4.4.2.2.
372 return true;
373 default:
374 break;
375 }
376 if (version.major < 3)
377 {
378 return false;
379 }
380 // Required formats in GLES 3.0 and up.
381 switch (internalFormat)
382 {
383 case GL_DEPTH_COMPONENT32F:
384 case GL_DEPTH_COMPONENT24:
385 case GL_DEPTH32F_STENCIL8:
386 case GL_DEPTH24_STENCIL8:
387 return true;
388 default:
389 return false;
390 }
391 }
392
393 // RGBA formats.
394 // GLES 2.0.25 table 4.5.
395 // GLES 3.0.5 section 3.8.3.1.
396 // GLES 3.1 table 8.13.
397
398 // Required formats in all versions.
399 switch (internalFormat)
400 {
401 case GL_RGBA4:
402 case GL_RGB5_A1:
403 case GL_RGB565:
404 return true;
405 default:
406 break;
407 }
408 if (version.major < 3)
409 {
410 return false;
411 }
412
413 if (format == GL_BGRA_EXT)
414 {
415 return false;
416 }
417
418 switch (componentType)
419 {
420 case GL_SIGNED_NORMALIZED:
421 case GL_FLOAT:
422 return false;
423 case GL_UNSIGNED_INT:
424 case GL_INT:
425 // Integer RGB formats are not required renderbuffer formats.
426 if (alphaBits == 0 && blueBits != 0)
427 {
428 return false;
429 }
430 // All integer R and RG formats are required.
431 // Integer RGBA formats including RGB10_A2_UI are required.
432 return true;
433 case GL_UNSIGNED_NORMALIZED:
434 if (internalFormat == GL_SRGB8)
435 {
436 return false;
437 }
438 return true;
439 default:
440 UNREACHABLE();
441 return false;
442 }
443}
444
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]445Format::Format(GLenum internalFormat) : Format(GetSizedInternalFormatInfo(internalFormat))
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]446{
447}
448
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]449Format::Format(const InternalFormat &internalFormat) : info(&internalFormat)
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]450{
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]451}
452
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]453Format::Format(GLenum internalFormat, GLenum type)
454 : info(&GetInternalFormatInfo(internalFormat, type))
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]455{
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]456}
457
458Format::Format(const Format &other) = default;
459Format &Format::operator=(const Format &other) = default;
460
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]461bool Format::valid() const
462{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]463 return info->internalFormat != GL_NONE;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]464}
465
466// static
467bool Format::SameSized(const Format &a, const Format &b)
468{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]469 return a.info->sizedInternalFormat == b.info->sizedInternalFormat;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]470}
471
Kenneth Russell69382852017-07-21 16:38:44 -0400[diff] [blame]472static GLenum EquivalentBlitInternalFormat(GLenum internalformat)
473{
474 // BlitFramebuffer works if the color channels are identically
475 // sized, even if there is a swizzle (for example, blitting from a
476 // multisampled RGBA8 renderbuffer to a BGRA8 texture). This could
477 // be expanded and/or autogenerated if that is found necessary.
478 if (internalformat == GL_BGRA8_EXT)
479 return GL_RGBA8;
480 return internalformat;
481}
482
483// static
484bool Format::EquivalentForBlit(const Format &a, const Format &b)
485{
486 return (EquivalentBlitInternalFormat(a.info->sizedInternalFormat) ==
487 EquivalentBlitInternalFormat(b.info->sizedInternalFormat));
488}
489
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]490// static
491Format Format::Invalid()
492{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]493 static Format invalid(GL_NONE, GL_NONE);
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]494 return invalid;
495}
496
Yuly Novikovd73f8522017-01-13 17:48:57 -0500[diff] [blame]497std::ostream &operator<<(std::ostream &os, const Format &fmt)
498{
499 // TODO(ynovikov): return string representation when available
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]500 return FmtHexShort(os, fmt.info->sizedInternalFormat);
Yuly Novikovd73f8522017-01-13 17:48:57 -0500[diff] [blame]501}
502
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]503bool InternalFormat::operator==(const InternalFormat &other) const
504{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]505 // We assume all internal formats are unique if they have the same internal format and type
506 return internalFormat == other.internalFormat && type == other.type;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]507}
508
509bool InternalFormat::operator!=(const InternalFormat &other) const
510{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]511 return !(*this == other);
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]512}
513
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]514void InsertFormatInfo(InternalFormatInfoMap *map, const InternalFormat &formatInfo)
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]515{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]516 ASSERT(!formatInfo.sized || (*map).count(formatInfo.internalFormat) == 0);
517 ASSERT((*map)[formatInfo.internalFormat].count(formatInfo.type) == 0);
518 (*map)[formatInfo.internalFormat][formatInfo.type] = formatInfo;
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]519}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]520
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]521void AddRGBAFormat(InternalFormatInfoMap *map,
522 GLenum internalFormat,
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]523 bool sized,
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]524 GLuint red,
525 GLuint green,
526 GLuint blue,
527 GLuint alpha,
528 GLuint shared,
529 GLenum format,
530 GLenum type,
531 GLenum componentType,
532 bool srgb,
533 InternalFormat::SupportCheckFunction textureSupport,
534 InternalFormat::SupportCheckFunction renderSupport,
535 InternalFormat::SupportCheckFunction filterSupport)
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]536{
537 InternalFormat formatInfo;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]538 formatInfo.internalFormat = internalFormat;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]539 formatInfo.sized = sized;
540 formatInfo.sizedInternalFormat =
541 sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]542 formatInfo.redBits = red;
543 formatInfo.greenBits = green;
544 formatInfo.blueBits = blue;
545 formatInfo.alphaBits = alpha;
546 formatInfo.sharedBits = shared;
547 formatInfo.pixelBytes = (red + green + blue + alpha + shared) / 8;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]548 formatInfo.componentCount =
549 ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]550 formatInfo.format = format;
551 formatInfo.type = type;
552 formatInfo.componentType = componentType;
553 formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
554 formatInfo.textureSupport = textureSupport;
555 formatInfo.renderSupport = renderSupport;
556 formatInfo.filterSupport = filterSupport;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]557
558 InsertFormatInfo(map, formatInfo);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]559}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]560
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]561static void AddLUMAFormat(InternalFormatInfoMap *map,
562 GLenum internalFormat,
563 bool sized,
564 GLuint luminance,
565 GLuint alpha,
566 GLenum format,
567 GLenum type,
568 GLenum componentType,
569 InternalFormat::SupportCheckFunction textureSupport,
570 InternalFormat::SupportCheckFunction renderSupport,
571 InternalFormat::SupportCheckFunction filterSupport)
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]572{
573 InternalFormat formatInfo;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]574 formatInfo.internalFormat = internalFormat;
575 formatInfo.sized = sized;
576 formatInfo.sizedInternalFormat =
577 sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]578 formatInfo.luminanceBits = luminance;
579 formatInfo.alphaBits = alpha;
580 formatInfo.pixelBytes = (luminance + alpha) / 8;
581 formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
582 formatInfo.format = format;
583 formatInfo.type = type;
584 formatInfo.componentType = componentType;
585 formatInfo.colorEncoding = GL_LINEAR;
586 formatInfo.textureSupport = textureSupport;
587 formatInfo.renderSupport = renderSupport;
588 formatInfo.filterSupport = filterSupport;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]589
590 InsertFormatInfo(map, formatInfo);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]591}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]592
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]593void AddDepthStencilFormat(InternalFormatInfoMap *map,
594 GLenum internalFormat,
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]595 bool sized,
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]596 GLuint depthBits,
597 GLuint stencilBits,
598 GLuint unusedBits,
599 GLenum format,
600 GLenum type,
601 GLenum componentType,
602 InternalFormat::SupportCheckFunction textureSupport,
603 InternalFormat::SupportCheckFunction renderSupport,
604 InternalFormat::SupportCheckFunction filterSupport)
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]605{
606 InternalFormat formatInfo;
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]607 formatInfo.internalFormat = internalFormat;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]608 formatInfo.sized = sized;
609 formatInfo.sizedInternalFormat =
610 sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]611 formatInfo.depthBits = depthBits;
612 formatInfo.stencilBits = stencilBits;
613 formatInfo.pixelBytes = (depthBits + stencilBits + unusedBits) / 8;
614 formatInfo.componentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
615 formatInfo.format = format;
616 formatInfo.type = type;
617 formatInfo.componentType = componentType;
618 formatInfo.colorEncoding = GL_LINEAR;
619 formatInfo.textureSupport = textureSupport;
620 formatInfo.renderSupport = renderSupport;
621 formatInfo.filterSupport = filterSupport;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]622
623 InsertFormatInfo(map, formatInfo);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]624}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]625
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]626void AddCompressedFormat(InternalFormatInfoMap *map,
627 GLenum internalFormat,
628 GLuint compressedBlockWidth,
629 GLuint compressedBlockHeight,
630 GLuint compressedBlockSize,
631 GLuint componentCount,
632 GLenum format,
633 GLenum type,
634 bool srgb,
635 InternalFormat::SupportCheckFunction textureSupport,
636 InternalFormat::SupportCheckFunction renderSupport,
637 InternalFormat::SupportCheckFunction filterSupport)
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]638{
639 InternalFormat formatInfo;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]640 formatInfo.internalFormat = internalFormat;
641 formatInfo.sized = true;
642 formatInfo.sizedInternalFormat = internalFormat;
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]643 formatInfo.compressedBlockWidth = compressedBlockWidth;
644 formatInfo.compressedBlockHeight = compressedBlockHeight;
645 formatInfo.pixelBytes = compressedBlockSize / 8;
646 formatInfo.componentCount = componentCount;
647 formatInfo.format = format;
648 formatInfo.type = type;
649 formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
650 formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
651 formatInfo.compressed = true;
652 formatInfo.textureSupport = textureSupport;
653 formatInfo.renderSupport = renderSupport;
654 formatInfo.filterSupport = filterSupport;
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]655
656 InsertFormatInfo(map, formatInfo);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]657}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]658
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]659static InternalFormatInfoMap BuildInternalFormatInfoMap()
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]660{
661 InternalFormatInfoMap map;
662
663 // From ES 3.0.1 spec, table 3.12
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]664 map[GL_NONE][GL_NONE] = InternalFormat();
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]665
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]666 // clang-format off
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]667
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]668 // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
669 AddRGBAFormat(&map, GL_R8, true, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureRG>, RequireESOrExt<3, 0, &Extensions::textureRG>, AlwaysSupported);
670 AddRGBAFormat(&map, GL_R8_SNORM, true, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
671 AddRGBAFormat(&map, GL_RG8, true, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureRG>, RequireESOrExt<3, 0, &Extensions::textureRG>, AlwaysSupported);
672 AddRGBAFormat(&map, GL_RG8_SNORM, true, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
673 AddRGBAFormat(&map, GL_RGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, AlwaysSupported);
674 AddRGBAFormat(&map, GL_RGB8_SNORM, true, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
675 AddRGBAFormat(&map, GL_RGB565, true, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
676 AddRGBAFormat(&map, GL_RGBA4, true, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
677 AddRGBAFormat(&map, GL_RGB5_A1, true, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
678 AddRGBAFormat(&map, GL_RGBA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, AlwaysSupported);
679 AddRGBAFormat(&map, GL_RGBA8_SNORM, true, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
680 AddRGBAFormat(&map, GL_RGB10_A2, true, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<3, 0>, RequireES<3, 0>, AlwaysSupported);
681 AddRGBAFormat(&map, GL_RGB10_A2UI, true, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
682 AddRGBAFormat(&map, GL_SRGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, 0, &Extensions::sRGB>, NeverSupported, AlwaysSupported);
683 AddRGBAFormat(&map, GL_SRGB8_ALPHA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, 0, &Extensions::sRGB>, RequireESOrExt<3, 0, &Extensions::sRGB>, AlwaysSupported);
684 AddRGBAFormat(&map, GL_RGB9_E5, true, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
685 AddRGBAFormat(&map, GL_R8I, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
686 AddRGBAFormat(&map, GL_R8UI, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
687 AddRGBAFormat(&map, GL_R16I, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
688 AddRGBAFormat(&map, GL_R16UI, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
689 AddRGBAFormat(&map, GL_R32I, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
690 AddRGBAFormat(&map, GL_R32UI, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
691 AddRGBAFormat(&map, GL_RG8I, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
692 AddRGBAFormat(&map, GL_RG8UI, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
693 AddRGBAFormat(&map, GL_RG16I, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
694 AddRGBAFormat(&map, GL_RG16UI, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
695 AddRGBAFormat(&map, GL_RG32I, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
696 AddRGBAFormat(&map, GL_R11F_G11F_B10F, true, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3, 0>, RequireExt<&Extensions::colorBufferFloat>, AlwaysSupported);
697 AddRGBAFormat(&map, GL_RG32UI, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
698 AddRGBAFormat(&map, GL_RGB8I, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
699 AddRGBAFormat(&map, GL_RGB8UI, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
700 AddRGBAFormat(&map, GL_RGB16I, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
701 AddRGBAFormat(&map, GL_RGB16UI, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
702 AddRGBAFormat(&map, GL_RGB32I, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
703 AddRGBAFormat(&map, GL_RGB32UI, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
704 AddRGBAFormat(&map, GL_RGBA8I, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
705 AddRGBAFormat(&map, GL_RGBA8UI, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
706 AddRGBAFormat(&map, GL_RGBA16I, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
707 AddRGBAFormat(&map, GL_RGBA16UI, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
708 AddRGBAFormat(&map, GL_RGBA32I, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
709 AddRGBAFormat(&map, GL_RGBA32UI, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
Jamie Madilla3944d42016-07-22 22:13:26 -0400[diff] [blame]710
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]711 AddRGBAFormat(&map, GL_BGRA8_EXT, true, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
712 AddRGBAFormat(&map, GL_BGRA4_ANGLEX, true, 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
713 AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX, true, 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]714
Jamie Madillec0b5802016-07-04 13:11:59 -0400[diff] [blame]715 // Special format which is not really supported, so always false for all supports.
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]716 AddRGBAFormat(&map, GL_BGR565_ANGLEX, true, 5, 6, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported);
Jamie Madillec0b5802016-07-04 13:11:59 -0400[diff] [blame]717
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]718 // Floating point renderability and filtering is provided by OES_texture_float and OES_texture_half_float
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]719 // | Internal format |sized| D |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable |
720 // | | | | | | | type | | | | |
721 AddRGBAFormat(&map, GL_R16F, true, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatRGSupport, HalfFloatRGRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
722 AddRGBAFormat(&map, GL_RG16F, true, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatRGSupport, HalfFloatRGRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
723 AddRGBAFormat(&map, GL_RGB16F, true, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRGBRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
724 AddRGBAFormat(&map, GL_RGBA16F, true, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRGBARenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
725 AddRGBAFormat(&map, GL_R32F, true, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, FloatRGSupport, FloatRGRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
726 AddRGBAFormat(&map, GL_RG32F, true, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, FloatRGSupport, FloatRGRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
727 AddRGBAFormat(&map, GL_RGB32F, true, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRGBRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
728 AddRGBAFormat(&map, GL_RGBA32F, true, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRGBARenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]729
730 // Depth stencil formats
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]731 // | Internal format |sized| D |S | X | Format | Type | Component type | Supported | Renderable | Filterable |
732 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16, true, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
733 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24, true, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3, 0>, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
734 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3, 0>, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
735 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, AlwaysSupported );
736 AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8, true, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::depthTextures>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextures, &Extensions::packedDepthStencil>, AlwaysSupported );
737 AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8, true, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireES<3, 0>, RequireES<3, 0>, AlwaysSupported );
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]738 // STENCIL_INDEX8 is special-cased, see around the bottom of the list.
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]739
740 // Luminance alpha formats
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]741 // | Internal format |sized| L | A | Format | Type | Component type | Supported | Renderable | Filterable |
742 AddLUMAFormat(&map, GL_ALPHA8_EXT, true, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported);
743 AddLUMAFormat(&map, GL_LUMINANCE8_EXT, true, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported);
744 AddLUMAFormat(&map, GL_LUMINANCE8_ALPHA8_EXT, true, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported);
745 AddLUMAFormat(&map, GL_ALPHA16F_EXT, true, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
746 AddLUMAFormat(&map, GL_LUMINANCE16F_EXT, true, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
747 AddLUMAFormat(&map, GL_LUMINANCE_ALPHA16F_EXT, true, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
748 AddLUMAFormat(&map, GL_ALPHA32F_EXT, true, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear>);
749 AddLUMAFormat(&map, GL_LUMINANCE32F_EXT, true, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear>);
750 AddLUMAFormat(&map, GL_LUMINANCE_ALPHA32F_EXT, true, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear>);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]751
752 // Compressed formats, From ES 3.0.1 spec, table 3.16
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]753 // | Internal format |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
754 AddCompressedFormat(&map, GL_COMPRESSED_R11_EAC, 4, 4, 64, 1, GL_RED, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
755 AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_R11_EAC, 4, 4, 64, 1, GL_RED, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
756 AddCompressedFormat(&map, GL_COMPRESSED_RG11_EAC, 4, 4, 128, 2, GL_RG, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
757 AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RG11_EAC, 4, 4, 128, 2, GL_RG, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
758 AddCompressedFormat(&map, GL_COMPRESSED_RGB8_ETC2, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
759 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ETC2, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported);
760 AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
761 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported);
762 AddCompressedFormat(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
763 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]764
765 // From GL_EXT_texture_compression_dxt1
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]766 // | Internal format |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
767 AddCompressedFormat(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported);
768 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 4, 4, 64, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]769
770 // From GL_ANGLE_texture_compression_dxt3
Geoff Lang86f81162017-10-30 15:10:45 -0400[diff] [blame]771 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT3>, NeverSupported, AlwaysSupported);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]772
773 // From GL_ANGLE_texture_compression_dxt5
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]774 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported);
Geoff Lang6ea6f942015-09-11 13:11:22 -0400[diff] [blame]775
776 // From GL_OES_compressed_ETC1_RGB8_texture
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]777 AddCompressedFormat(&map, GL_ETC1_RGB8_OES, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::compressedETC1RGB8Texture>, NeverSupported, AlwaysSupported);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]778
Kai Ninomiya02f075c2016-12-22 14:55:46 -0800[diff] [blame]779 // From GL_EXT_texture_compression_s3tc_srgb
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]780 // | Internal format |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
781 AddCompressedFormat(&map, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, NeverSupported, AlwaysSupported);
782 AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 4, 4, 64, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, NeverSupported, AlwaysSupported);
783 AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, NeverSupported, AlwaysSupported);
784 AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, NeverSupported, AlwaysSupported);
Kai Ninomiya02f075c2016-12-22 14:55:46 -0800[diff] [blame]785
Geoff Lang60ad73d2015-10-23 10:08:44 -0400[diff] [blame]786 // From KHR_texture_compression_astc_hdr
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]787 // | Internal format | W | H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
788 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
789 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 5, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
790 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 5, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
791 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 6, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
792 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 6, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
793 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 8, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
794 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 8, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
795 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 8, 8, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
796 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 10, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
797 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 10, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
798 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 10, 8, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
799 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 10, 10, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
800 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 12, 10, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
801 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 12, 12, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
Geoff Lang60ad73d2015-10-23 10:08:44 -0400[diff] [blame]802
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]803 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 4, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
804 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 5, 4, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
805 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 5, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
806 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 6, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
807 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 6, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
808 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 8, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
809 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 8, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
810 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 8, 8, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
811 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 10, 5, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
812 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 10, 6, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
813 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 10, 8, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
814 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 10, 10, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
815 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 12, 10, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
816 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 12, 12, 128, 4, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported);
Geoff Lang60ad73d2015-10-23 10:08:44 -0400[diff] [blame]817
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]818 // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
819 // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
820 // - All other stencil formats (all depth-stencil) are either float or normalized
821 // - It affects only validation of internalformat in RenderbufferStorageMultisample.
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]822 // | Internal format |sized|D |S |X | Format | Type | Component type | Supported | Renderable | Filterable |
823 AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, true, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, NeverSupported);
Minmin Gonge3939b92015-12-01 15:36:51 -0800[diff] [blame]824
825 // From GL_ANGLE_lossy_etc_decode
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]826 // | Internal format |W |H |BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
827 AddCompressedFormat(&map, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported);
828 AddCompressedFormat(&map, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported);
829 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, GL_RGB, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported);
830 AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, GL_RGBA, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported);
831 AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, GL_RGBA, GL_UNSIGNED_BYTE, true, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported);
Minmin Gonge3939b92015-12-01 15:36:51 -0800[diff] [blame]832
Vincent Lang25ab4512016-05-13 18:13:59 +0200[diff] [blame]833 // From GL_EXT_texture_norm16
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]834 // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
835 AddRGBAFormat(&map, GL_R16_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
836 AddRGBAFormat(&map, GL_R16_SNORM_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
837 AddRGBAFormat(&map, GL_RG16_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
838 AddRGBAFormat(&map, GL_RG16_SNORM_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
839 AddRGBAFormat(&map, GL_RGB16_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
840 AddRGBAFormat(&map, GL_RGB16_SNORM_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
841 AddRGBAFormat(&map, GL_RGBA16_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
842 AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
Vincent Lang25ab4512016-05-13 18:13:59 +0200[diff] [blame]843
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]844 // Unsized formats
845 // | Internal format |sized | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
Geoff Lang8d4db1f2017-06-02 14:32:01 -0400[diff] [blame]846 AddRGBAFormat(&map, GL_RED, false, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRG>, AlwaysSupported, AlwaysSupported);
Geoff Langdbcced82017-06-06 15:55:54 -0400[diff] [blame]847 AddRGBAFormat(&map, GL_RED, false, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported );
Geoff Lang8d4db1f2017-06-02 14:32:01 -0400[diff] [blame]848 AddRGBAFormat(&map, GL_RG, false, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRG>, AlwaysSupported, AlwaysSupported);
Geoff Langdbcced82017-06-06 15:55:54 -0400[diff] [blame]849 AddRGBAFormat(&map, GL_RG, false, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported );
Geoff Langd84a00b2017-10-27 17:27:26 -0400[diff] [blame]850 AddRGBAFormat(&map, GL_RGB, false, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, AlwaysSupported, AlwaysSupported);
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]851 AddRGBAFormat(&map, GL_RGB, false, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
Geoff Langdbcced82017-06-06 15:55:54 -0400[diff] [blame]852 AddRGBAFormat(&map, GL_RGB, false, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported );
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]853 AddRGBAFormat(&map, GL_RGBA, false, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
854 AddRGBAFormat(&map, GL_RGBA, false, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
855 AddRGBAFormat(&map, GL_RGBA, false, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
856 AddRGBAFormat(&map, GL_RGBA, false, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
Geoff Langdbcced82017-06-06 15:55:54 -0400[diff] [blame]857 AddRGBAFormat(&map, GL_RGBA, false, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported );
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]858 AddRGBAFormat(&map, GL_SRGB, false, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGB>, NeverSupported, AlwaysSupported);
859 AddRGBAFormat(&map, GL_SRGB_ALPHA_EXT, false, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGB>, RequireExt<&Extensions::sRGB>, AlwaysSupported);
860
861 AddRGBAFormat(&map, GL_BGRA_EXT, false, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
862
863 // Unsized integer formats
864 // |Internal format |sized | R | G | B | A |S | Format | Type | Component type | SRGB | Texture | Renderable | Filterable |
865 AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
866 AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
867 AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
868 AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
869 AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
870 AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
871 AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
872 AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
873 AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
874 AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
875 AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
876 AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
877 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
878 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
879 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
880 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
881 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
882 AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
883 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
884 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
885 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
886 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
887 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
888 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
889 AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
890
891 // Unsized floating point formats
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]892 // |Internal format |sized | R | G | B | A |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable |
893 AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
894 AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
895 AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
896 AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
897 AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT_OES, GL_FLOAT, false, UnsizedHalfFloatOESRGSupport, UnsizedHalfFloatOESRGRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
898 AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT_OES, GL_FLOAT, false, UnsizedHalfFloatOESRGSupport, UnsizedHalfFloatOESRGRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
899 AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT_OES, GL_FLOAT, false, UnsizedHalfFloatOESSupport, UnsizedHalfFloatOESRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
900 AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES, GL_FLOAT, false, UnsizedHalfFloatOESSupport, UnsizedHalfFloatOESRenderableSupport, RequireESOrExt<3, 0, &Extensions::textureHalfFloatLinear>);
901 AddRGBAFormat(&map, GL_RED, false, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, UnsizedFloatRGSupport, UnsizedFloatRGRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
902 AddRGBAFormat(&map, GL_RG, false, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, UnsizedFloatRGSupport, UnsizedFloatRGRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
903 AddRGBAFormat(&map, GL_RGB, false, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, UnsizedFloatSupport, UnsizedFloatRGBRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
Geoff Langdbcced82017-06-06 15:55:54 -0400[diff] [blame]904 AddRGBAFormat(&map, GL_RGB, false, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
905 AddRGBAFormat(&map, GL_RGB, false, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported );
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]906 AddRGBAFormat(&map, GL_RGBA, false, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, UnsizedFloatSupport, UnsizedFloatRGBARenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]907
908 // Unsized luminance alpha formats
Geoff Lang677bb6f2017-04-05 12:40:40 -0400[diff] [blame]909 // | Internal format |sized | L | A | Format | Type | Component type | Supported | Renderable | Filterable |
910 AddLUMAFormat(&map, GL_ALPHA, false, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, NeverSupported, AlwaysSupported );
911 AddLUMAFormat(&map, GL_LUMINANCE, false, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, NeverSupported, AlwaysSupported );
912 AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, NeverSupported, AlwaysSupported );
913 AddLUMAFormat(&map, GL_ALPHA, false, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, NeverSupported, RequireExt<&Extensions::textureHalfFloatLinear>);
914 AddLUMAFormat(&map, GL_LUMINANCE, false, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, NeverSupported, RequireExt<&Extensions::textureHalfFloatLinear>);
915 AddLUMAFormat(&map, GL_LUMINANCE_ALPHA ,false, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, NeverSupported, RequireExt<&Extensions::textureHalfFloatLinear>);
916 AddLUMAFormat(&map, GL_ALPHA, false, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear> );
917 AddLUMAFormat(&map, GL_LUMINANCE, false, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear> );
918 AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, NeverSupported, RequireExt<&Extensions::textureFloatLinear> );
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]919
920 // Unsized depth stencil formats
921 // | Internal format |sized | D |S | X | Format | Type | Component type | Supported | Renderable | Filterable |
922 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
923 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
924 AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
925 AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, AlwaysSupported);
926 AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, AlwaysSupported);
927 AddDepthStencilFormat(&map, GL_STENCIL, false, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, NeverSupported);
Geoff Lang9bbad182015-09-04 11:07:29 -0400[diff] [blame]928 // clang-format on
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]929
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]930 return map;
931}
932
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]933static const InternalFormatInfoMap &GetInternalFormatMap()
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]934{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]935 static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap();
936 return formatMap;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]937}
938
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]939static FormatSet BuildAllSizedInternalFormatSet()
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]940{
941 FormatSet result;
942
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]943 for (const auto &internalFormat : GetInternalFormatMap())
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]944 {
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]945 for (const auto &type : internalFormat.second)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]946 {
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]947 if (type.second.sized)
948 {
949 // TODO(jmadill): Fix this hack.
950 if (internalFormat.first == GL_BGR565_ANGLEX)
951 continue;
Jamie Madillec0b5802016-07-04 13:11:59 -0400[diff] [blame]952
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]953 result.insert(internalFormat.first);
954 }
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]955 }
956 }
957
958 return result;
959}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]960
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]961const Type &GetTypeInfo(GLenum type)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]962{
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]963 switch (type)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]964 {
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]965 case GL_UNSIGNED_BYTE:
966 case GL_BYTE:
967 {
968 static const Type info = GenTypeInfo(1, false);
969 return info;
970 }
971 case GL_UNSIGNED_SHORT:
972 case GL_SHORT:
973 case GL_HALF_FLOAT:
974 case GL_HALF_FLOAT_OES:
975 {
976 static const Type info = GenTypeInfo(2, false);
977 return info;
978 }
979 case GL_UNSIGNED_INT:
980 case GL_INT:
981 case GL_FLOAT:
982 {
983 static const Type info = GenTypeInfo(4, false);
984 return info;
985 }
986 case GL_UNSIGNED_SHORT_5_6_5:
987 case GL_UNSIGNED_SHORT_4_4_4_4:
988 case GL_UNSIGNED_SHORT_5_5_5_1:
989 case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
990 case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
991 {
992 static const Type info = GenTypeInfo(2, true);
993 return info;
994 }
995 case GL_UNSIGNED_INT_2_10_10_10_REV:
996 case GL_UNSIGNED_INT_24_8:
997 case GL_UNSIGNED_INT_10F_11F_11F_REV:
998 case GL_UNSIGNED_INT_5_9_9_9_REV:
999 {
1000 ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8);
1001 static const Type info = GenTypeInfo(4, true);
1002 return info;
1003 }
1004 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
1005 {
1006 static const Type info = GenTypeInfo(8, true);
1007 return info;
1008 }
1009 default:
1010 {
1011 static const Type defaultInfo;
1012 return defaultInfo;
1013 }
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1014 }
1015}
1016
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1017const InternalFormat &GetSizedInternalFormatInfo(GLenum internalFormat)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1018{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1019 static const InternalFormat defaultInternalFormat;
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]1020 const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
Jamie Madillec0b5802016-07-04 13:11:59 -0400[diff] [blame]1021 auto iter = formatMap.find(internalFormat);
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1022
1023 // Sized internal formats only have one type per entry
1024 if (iter == formatMap.end() || iter->second.size() != 1)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1025 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]1026 return defaultInternalFormat;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1027 }
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1028
1029 const InternalFormat &internalFormatInfo = iter->second.begin()->second;
1030 if (!internalFormatInfo.sized)
1031 {
1032 return defaultInternalFormat;
1033 }
1034
1035 return internalFormatInfo;
1036}
1037
1038const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, GLenum type)
1039{
1040 static const InternalFormat defaultInternalFormat;
1041 const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
1042
1043 auto internalFormatIter = formatMap.find(internalFormat);
1044 if (internalFormatIter == formatMap.end())
1045 {
1046 return defaultInternalFormat;
1047 }
1048
1049 // If the internal format is sized, simply return it without the type check.
1050 if (internalFormatIter->second.size() == 1 && internalFormatIter->second.begin()->second.sized)
1051 {
1052 return internalFormatIter->second.begin()->second;
1053 }
1054
1055 auto typeIter = internalFormatIter->second.find(type);
1056 if (typeIter == internalFormatIter->second.end())
1057 {
1058 return defaultInternalFormat;
1059 }
1060
1061 return typeIter->second;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1062}
1063
Corentin Wallezc5cacd62016-09-14 14:50:24 -0400[diff] [blame]1064GLuint InternalFormat::computePixelBytes(GLenum formatType) const
1065{
1066 const auto &typeInfo = GetTypeInfo(formatType);
1067 GLuint components = typeInfo.specialInterpretation ? 1u : componentCount;
1068 return components * typeInfo.bytes;
1069}
1070
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1071ErrorOrResult<GLuint> InternalFormat::computeRowPitch(GLenum formatType,
Jamie Madille2e406c2016-06-02 13:04:10 -0400[diff] [blame]1072 GLsizei width,
1073 GLint alignment,
1074 GLint rowLength) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1075{
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1076 // Compressed images do not use pack/unpack parameters.
1077 if (compressed)
1078 {
1079 ASSERT(rowLength == 0);
Jeff Gilbert48590352017-11-07 16:03:38 -0800[diff] [blame]1080 return computeCompressedImageSize(Extents(width, 1, 1));
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1081 }
1082
Geoff Lang3f234062016-07-13 15:35:45 -0400[diff] [blame]1083 CheckedNumeric<GLuint> checkedWidth(rowLength > 0 ? rowLength : width);
Corentin Wallezc5cacd62016-09-14 14:50:24 -0400[diff] [blame]1084 CheckedNumeric<GLuint> checkedRowBytes = checkedWidth * computePixelBytes(formatType);
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1085
1086 ASSERT(alignment > 0 && isPow2(alignment));
1087 CheckedNumeric<GLuint> checkedAlignment(alignment);
1088 auto aligned = rx::roundUp(checkedRowBytes, checkedAlignment);
1089 ANGLE_TRY_CHECKED_MATH(aligned);
1090 return aligned.ValueOrDie();
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1091}
1092
Corentin Wallez0e487192016-10-03 16:30:38 -0400[diff] [blame]1093ErrorOrResult<GLuint> InternalFormat::computeDepthPitch(GLsizei height,
1094 GLint imageHeight,
1095 GLuint rowPitch) const
1096{
1097 GLuint rows =
1098 (imageHeight > 0 ? static_cast<GLuint>(imageHeight) : static_cast<GLuint>(height));
1099 CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
1100
1101 auto depthPitch = checkedRowPitch * rows;
1102 ANGLE_TRY_CHECKED_MATH(depthPitch);
1103 return depthPitch.ValueOrDie();
1104}
1105
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1106ErrorOrResult<GLuint> InternalFormat::computeDepthPitch(GLenum formatType,
Jamie Madille2e406c2016-06-02 13:04:10 -0400[diff] [blame]1107 GLsizei width,
1108 GLsizei height,
1109 GLint alignment,
1110 GLint rowLength,
1111 GLint imageHeight) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1112{
Jamie Madille2e406c2016-06-02 13:04:10 -0400[diff] [blame]1113 GLuint rowPitch = 0;
1114 ANGLE_TRY_RESULT(computeRowPitch(formatType, width, alignment, rowLength), rowPitch);
Corentin Wallez0e487192016-10-03 16:30:38 -0400[diff] [blame]1115 return computeDepthPitch(height, imageHeight, rowPitch);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1116}
1117
Jeff Gilbert48590352017-11-07 16:03:38 -0800[diff] [blame]1118ErrorOrResult<GLuint> InternalFormat::computeCompressedImageSize(const Extents &size) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1119{
Jamie Madill513558d2016-06-02 13:04:11 -0400[diff] [blame]1120 CheckedNumeric<GLuint> checkedWidth(size.width);
1121 CheckedNumeric<GLuint> checkedHeight(size.height);
1122 CheckedNumeric<GLuint> checkedDepth(size.depth);
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1123 CheckedNumeric<GLuint> checkedBlockWidth(compressedBlockWidth);
1124 CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
Jamie Madille2e406c2016-06-02 13:04:10 -0400[diff] [blame]1125
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1126 ASSERT(compressed);
1127 auto numBlocksWide = (checkedWidth + checkedBlockWidth - 1u) / checkedBlockWidth;
1128 auto numBlocksHigh = (checkedHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
1129 auto bytes = numBlocksWide * numBlocksHigh * pixelBytes * checkedDepth;
1130 ANGLE_TRY_CHECKED_MATH(bytes);
1131 return bytes.ValueOrDie();
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1132}
1133
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1134ErrorOrResult<GLuint> InternalFormat::computeSkipBytes(GLuint rowPitch,
Olli Etuaho989cac32016-06-08 16:18:49 -0700[diff] [blame]1135 GLuint depthPitch,
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1136 const PixelStoreStateBase &state,
1137 bool is3D) const
Minmin Gongadff67b2015-10-14 10:34:45 -0400[diff] [blame]1138{
Olli Etuaho989cac32016-06-08 16:18:49 -0700[diff] [blame]1139 CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
1140 CheckedNumeric<GLuint> checkedDepthPitch(depthPitch);
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1141 CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(state.skipImages));
1142 CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(state.skipRows));
1143 CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(state.skipPixels));
Olli Etuaho989cac32016-06-08 16:18:49 -0700[diff] [blame]1144 CheckedNumeric<GLuint> checkedPixelBytes(pixelBytes);
1145 auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch;
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1146 if (!is3D)
Olli Etuaho989cac32016-06-08 16:18:49 -0700[diff] [blame]1147 {
1148 checkedSkipImagesBytes = 0;
1149 }
1150 auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch +
1151 checkedSkipPixels * checkedPixelBytes;
1152 ANGLE_TRY_CHECKED_MATH(skipBytes);
1153 return skipBytes.ValueOrDie();
Minmin Gongadff67b2015-10-14 10:34:45 -0400[diff] [blame]1154}
1155
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1156ErrorOrResult<GLuint> InternalFormat::computePackUnpackEndByte(
1157 GLenum formatType,
1158 const Extents &size,
1159 const PixelStoreStateBase &state,
1160 bool is3D) const
Corentin Wallezece7c5a2016-09-21 15:28:23 -0400[diff] [blame]1161{
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1162 GLuint rowPitch = 0;
1163 ANGLE_TRY_RESULT(computeRowPitch(formatType, size.width, state.alignment, state.rowLength),
Corentin Wallezece7c5a2016-09-21 15:28:23 -0400[diff] [blame]1164 rowPitch);
1165
Corentin Wallez0e487192016-10-03 16:30:38 -0400[diff] [blame]1166 GLuint depthPitch = 0;
1167 if (is3D)
1168 {
1169 ANGLE_TRY_RESULT(computeDepthPitch(size.height, state.imageHeight, rowPitch), depthPitch);
1170 }
1171
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1172 CheckedNumeric<GLuint> checkedCopyBytes = 0;
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1173 if (compressed)
1174 {
Jeff Gilbert48590352017-11-07 16:03:38 -0800[diff] [blame]1175 ANGLE_TRY_RESULT(computeCompressedImageSize(size), checkedCopyBytes);
Jamie Madill4b4cdff2016-06-06 13:53:38 -0700[diff] [blame]1176 }
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1177 else if (size.height != 0 && (!is3D || size.depth != 0))
Corentin Wallezece7c5a2016-09-21 15:28:23 -0400[diff] [blame]1178 {
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1179 CheckedNumeric<GLuint> bytes = computePixelBytes(formatType);
1180 checkedCopyBytes += size.width * bytes;
1181
1182 CheckedNumeric<GLuint> heightMinusOne = size.height - 1;
1183 checkedCopyBytes += heightMinusOne * rowPitch;
1184
1185 if (is3D)
1186 {
1187 CheckedNumeric<GLuint> depthMinusOne = size.depth - 1;
1188 checkedCopyBytes += depthMinusOne * depthPitch;
1189 }
Corentin Wallezece7c5a2016-09-21 15:28:23 -0400[diff] [blame]1190 }
1191
Corentin Wallez886de362016-09-27 10:49:35 -0400[diff] [blame]1192 CheckedNumeric<GLuint> checkedSkipBytes = 0;
1193 ANGLE_TRY_RESULT(computeSkipBytes(rowPitch, depthPitch, state, is3D), checkedSkipBytes);
Corentin Wallezc5cacd62016-09-14 14:50:24 -0400[diff] [blame]1194
1195 CheckedNumeric<GLuint> endByte = checkedCopyBytes + checkedSkipBytes;
1196
1197 ANGLE_TRY_CHECKED_MATH(endByte);
1198 return endByte.ValueOrDie();
1199}
1200
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1201GLenum GetUnsizedFormat(GLenum internalFormat)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1202{
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1203 auto sizedFormatInfo = GetSizedInternalFormatInfo(internalFormat);
1204 if (sizedFormatInfo.internalFormat != GL_NONE)
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]1205 {
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1206 return sizedFormatInfo.format;
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]1207 }
Geoff Langca271392017-04-05 12:30:00 -0400[diff] [blame]1208
1209 return internalFormat;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1210}
1211
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]1212const FormatSet &GetAllSizedInternalFormats()
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]1213{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]1214 static FormatSet formatSet = BuildAllSizedInternalFormatSet();
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]1215 return formatSet;
1216}
1217
Jamie Madill09e2d932015-07-14 16:40:31 -0400[diff] [blame]1218AttributeType GetAttributeType(GLenum enumValue)
1219{
1220 switch (enumValue)
1221 {
1222 case GL_FLOAT:
1223 return ATTRIBUTE_FLOAT;
1224 case GL_FLOAT_VEC2:
1225 return ATTRIBUTE_VEC2;
1226 case GL_FLOAT_VEC3:
1227 return ATTRIBUTE_VEC3;
1228 case GL_FLOAT_VEC4:
1229 return ATTRIBUTE_VEC4;
1230 case GL_INT:
1231 return ATTRIBUTE_INT;
1232 case GL_INT_VEC2:
1233 return ATTRIBUTE_IVEC2;
1234 case GL_INT_VEC3:
1235 return ATTRIBUTE_IVEC3;
1236 case GL_INT_VEC4:
1237 return ATTRIBUTE_IVEC4;
1238 case GL_UNSIGNED_INT:
1239 return ATTRIBUTE_UINT;
1240 case GL_UNSIGNED_INT_VEC2:
1241 return ATTRIBUTE_UVEC2;
1242 case GL_UNSIGNED_INT_VEC3:
1243 return ATTRIBUTE_UVEC3;
1244 case GL_UNSIGNED_INT_VEC4:
1245 return ATTRIBUTE_UVEC4;
1246 case GL_FLOAT_MAT2:
1247 return ATTRIBUTE_MAT2;
1248 case GL_FLOAT_MAT3:
1249 return ATTRIBUTE_MAT3;
1250 case GL_FLOAT_MAT4:
1251 return ATTRIBUTE_MAT4;
1252 case GL_FLOAT_MAT2x3:
1253 return ATTRIBUTE_MAT2x3;
1254 case GL_FLOAT_MAT2x4:
1255 return ATTRIBUTE_MAT2x4;
1256 case GL_FLOAT_MAT3x2:
1257 return ATTRIBUTE_MAT3x2;
1258 case GL_FLOAT_MAT3x4:
1259 return ATTRIBUTE_MAT3x4;
1260 case GL_FLOAT_MAT4x2:
1261 return ATTRIBUTE_MAT4x2;
1262 case GL_FLOAT_MAT4x3:
1263 return ATTRIBUTE_MAT4x3;
1264 default:
1265 UNREACHABLE();
1266 return ATTRIBUTE_FLOAT;
1267 }
1268}
1269
Jamie Madilld3dfda22015-07-06 08:28:49 -0400[diff] [blame]1270VertexFormatType GetVertexFormatType(GLenum type, GLboolean normalized, GLuint components, bool pureInteger)
1271{
1272 switch (type)
1273 {
1274 case GL_BYTE:
1275 switch (components)
1276 {
1277 case 1:
1278 if (pureInteger)
1279 return VERTEX_FORMAT_SBYTE1_INT;
1280 if (normalized)
1281 return VERTEX_FORMAT_SBYTE1_NORM;
1282 return VERTEX_FORMAT_SBYTE1;
1283 case 2:
1284 if (pureInteger)
1285 return VERTEX_FORMAT_SBYTE2_INT;
1286 if (normalized)
1287 return VERTEX_FORMAT_SBYTE2_NORM;
1288 return VERTEX_FORMAT_SBYTE2;
1289 case 3:
1290 if (pureInteger)
1291 return VERTEX_FORMAT_SBYTE3_INT;
1292 if (normalized)
1293 return VERTEX_FORMAT_SBYTE3_NORM;
1294 return VERTEX_FORMAT_SBYTE3;
1295 case 4:
1296 if (pureInteger)
1297 return VERTEX_FORMAT_SBYTE4_INT;
1298 if (normalized)
1299 return VERTEX_FORMAT_SBYTE4_NORM;
1300 return VERTEX_FORMAT_SBYTE4;
1301 default:
1302 UNREACHABLE();
1303 break;
1304 }
1305 case GL_UNSIGNED_BYTE:
1306 switch (components)
1307 {
1308 case 1:
1309 if (pureInteger)
1310 return VERTEX_FORMAT_UBYTE1_INT;
1311 if (normalized)
1312 return VERTEX_FORMAT_UBYTE1_NORM;
1313 return VERTEX_FORMAT_UBYTE1;
1314 case 2:
1315 if (pureInteger)
1316 return VERTEX_FORMAT_UBYTE2_INT;
1317 if (normalized)
1318 return VERTEX_FORMAT_UBYTE2_NORM;
1319 return VERTEX_FORMAT_UBYTE2;
1320 case 3:
1321 if (pureInteger)
1322 return VERTEX_FORMAT_UBYTE3_INT;
1323 if (normalized)
1324 return VERTEX_FORMAT_UBYTE3_NORM;
1325 return VERTEX_FORMAT_UBYTE3;
1326 case 4:
1327 if (pureInteger)
1328 return VERTEX_FORMAT_UBYTE4_INT;
1329 if (normalized)
1330 return VERTEX_FORMAT_UBYTE4_NORM;
1331 return VERTEX_FORMAT_UBYTE4;
1332 default:
1333 UNREACHABLE();
1334 break;
1335 }
1336 case GL_SHORT:
1337 switch (components)
1338 {
1339 case 1:
1340 if (pureInteger)
1341 return VERTEX_FORMAT_SSHORT1_INT;
1342 if (normalized)
1343 return VERTEX_FORMAT_SSHORT1_NORM;
1344 return VERTEX_FORMAT_SSHORT1;
1345 case 2:
1346 if (pureInteger)
1347 return VERTEX_FORMAT_SSHORT2_INT;
1348 if (normalized)
1349 return VERTEX_FORMAT_SSHORT2_NORM;
1350 return VERTEX_FORMAT_SSHORT2;
1351 case 3:
1352 if (pureInteger)
1353 return VERTEX_FORMAT_SSHORT3_INT;
1354 if (normalized)
1355 return VERTEX_FORMAT_SSHORT3_NORM;
1356 return VERTEX_FORMAT_SSHORT3;
1357 case 4:
1358 if (pureInteger)
1359 return VERTEX_FORMAT_SSHORT4_INT;
1360 if (normalized)
1361 return VERTEX_FORMAT_SSHORT4_NORM;
1362 return VERTEX_FORMAT_SSHORT4;
1363 default:
1364 UNREACHABLE();
1365 break;
1366 }
1367 case GL_UNSIGNED_SHORT:
1368 switch (components)
1369 {
1370 case 1:
1371 if (pureInteger)
1372 return VERTEX_FORMAT_USHORT1_INT;
1373 if (normalized)
1374 return VERTEX_FORMAT_USHORT1_NORM;
1375 return VERTEX_FORMAT_USHORT1;
1376 case 2:
1377 if (pureInteger)
1378 return VERTEX_FORMAT_USHORT2_INT;
1379 if (normalized)
1380 return VERTEX_FORMAT_USHORT2_NORM;
1381 return VERTEX_FORMAT_USHORT2;
1382 case 3:
1383 if (pureInteger)
1384 return VERTEX_FORMAT_USHORT3_INT;
1385 if (normalized)
1386 return VERTEX_FORMAT_USHORT3_NORM;
1387 return VERTEX_FORMAT_USHORT3;
1388 case 4:
1389 if (pureInteger)
1390 return VERTEX_FORMAT_USHORT4_INT;
1391 if (normalized)
1392 return VERTEX_FORMAT_USHORT4_NORM;
1393 return VERTEX_FORMAT_USHORT4;
1394 default:
1395 UNREACHABLE();
1396 break;
1397 }
1398 case GL_INT:
1399 switch (components)
1400 {
1401 case 1:
1402 if (pureInteger)
1403 return VERTEX_FORMAT_SINT1_INT;
1404 if (normalized)
1405 return VERTEX_FORMAT_SINT1_NORM;
1406 return VERTEX_FORMAT_SINT1;
1407 case 2:
1408 if (pureInteger)
1409 return VERTEX_FORMAT_SINT2_INT;
1410 if (normalized)
1411 return VERTEX_FORMAT_SINT2_NORM;
1412 return VERTEX_FORMAT_SINT2;
1413 case 3:
1414 if (pureInteger)
1415 return VERTEX_FORMAT_SINT3_INT;
1416 if (normalized)
1417 return VERTEX_FORMAT_SINT3_NORM;
1418 return VERTEX_FORMAT_SINT3;
1419 case 4:
1420 if (pureInteger)
1421 return VERTEX_FORMAT_SINT4_INT;
1422 if (normalized)
1423 return VERTEX_FORMAT_SINT4_NORM;
1424 return VERTEX_FORMAT_SINT4;
1425 default:
1426 UNREACHABLE();
1427 break;
1428 }
1429 case GL_UNSIGNED_INT:
1430 switch (components)
1431 {
1432 case 1:
1433 if (pureInteger)
1434 return VERTEX_FORMAT_UINT1_INT;
1435 if (normalized)
1436 return VERTEX_FORMAT_UINT1_NORM;
1437 return VERTEX_FORMAT_UINT1;
1438 case 2:
1439 if (pureInteger)
1440 return VERTEX_FORMAT_UINT2_INT;
1441 if (normalized)
1442 return VERTEX_FORMAT_UINT2_NORM;
1443 return VERTEX_FORMAT_UINT2;
1444 case 3:
1445 if (pureInteger)
1446 return VERTEX_FORMAT_UINT3_INT;
1447 if (normalized)
1448 return VERTEX_FORMAT_UINT3_NORM;
1449 return VERTEX_FORMAT_UINT3;
1450 case 4:
1451 if (pureInteger)
1452 return VERTEX_FORMAT_UINT4_INT;
1453 if (normalized)
1454 return VERTEX_FORMAT_UINT4_NORM;
1455 return VERTEX_FORMAT_UINT4;
1456 default:
1457 UNREACHABLE();
1458 break;
1459 }
1460 case GL_FLOAT:
1461 switch (components)
1462 {
1463 case 1:
1464 return VERTEX_FORMAT_FLOAT1;
1465 case 2:
1466 return VERTEX_FORMAT_FLOAT2;
1467 case 3:
1468 return VERTEX_FORMAT_FLOAT3;
1469 case 4:
1470 return VERTEX_FORMAT_FLOAT4;
1471 default:
1472 UNREACHABLE();
1473 break;
1474 }
1475 case GL_HALF_FLOAT:
1476 switch (components)
1477 {
1478 case 1:
1479 return VERTEX_FORMAT_HALF1;
1480 case 2:
1481 return VERTEX_FORMAT_HALF2;
1482 case 3:
1483 return VERTEX_FORMAT_HALF3;
1484 case 4:
1485 return VERTEX_FORMAT_HALF4;
1486 default:
1487 UNREACHABLE();
1488 break;
1489 }
1490 case GL_FIXED:
1491 switch (components)
1492 {
1493 case 1:
1494 return VERTEX_FORMAT_FIXED1;
1495 case 2:
1496 return VERTEX_FORMAT_FIXED2;
1497 case 3:
1498 return VERTEX_FORMAT_FIXED3;
1499 case 4:
1500 return VERTEX_FORMAT_FIXED4;
1501 default:
1502 UNREACHABLE();
1503 break;
1504 }
1505 case GL_INT_2_10_10_10_REV:
1506 if (pureInteger)
1507 return VERTEX_FORMAT_SINT210_INT;
1508 if (normalized)
1509 return VERTEX_FORMAT_SINT210_NORM;
1510 return VERTEX_FORMAT_SINT210;
1511 case GL_UNSIGNED_INT_2_10_10_10_REV:
1512 if (pureInteger)
1513 return VERTEX_FORMAT_UINT210_INT;
1514 if (normalized)
1515 return VERTEX_FORMAT_UINT210_NORM;
1516 return VERTEX_FORMAT_UINT210;
1517 default:
1518 UNREACHABLE();
1519 break;
1520 }
1521 return VERTEX_FORMAT_UBYTE1;
1522}
1523
1524VertexFormatType GetVertexFormatType(const VertexAttribute &attrib)
1525{
1526 return GetVertexFormatType(attrib.type, attrib.normalized, attrib.size, attrib.pureInteger);
1527}
1528
1529VertexFormatType GetVertexFormatType(const VertexAttribute &attrib, GLenum currentValueType)
1530{
1531 if (!attrib.enabled)
1532 {
1533 return GetVertexFormatType(currentValueType, GL_FALSE, 4, (currentValueType != GL_FLOAT));
1534 }
1535 return GetVertexFormatType(attrib);
1536}
1537
1538const VertexFormat &GetVertexFormatFromType(VertexFormatType vertexFormatType)
1539{
1540 switch (vertexFormatType)
1541 {
1542 case VERTEX_FORMAT_SBYTE1:
1543 {
1544 static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false);
1545 return format;
1546 }
1547 case VERTEX_FORMAT_SBYTE1_NORM:
1548 {
1549 static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false);
1550 return format;
1551 }
1552 case VERTEX_FORMAT_SBYTE2:
1553 {
1554 static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false);
1555 return format;
1556 }
1557 case VERTEX_FORMAT_SBYTE2_NORM:
1558 {
1559 static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false);
1560 return format;
1561 }
1562 case VERTEX_FORMAT_SBYTE3:
1563 {
1564 static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false);
1565 return format;
1566 }
1567 case VERTEX_FORMAT_SBYTE3_NORM:
1568 {
1569 static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false);
1570 return format;
1571 }
1572 case VERTEX_FORMAT_SBYTE4:
1573 {
1574 static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false);
1575 return format;
1576 }
1577 case VERTEX_FORMAT_SBYTE4_NORM:
1578 {
1579 static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false);
1580 return format;
1581 }
1582 case VERTEX_FORMAT_UBYTE1:
1583 {
1584 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false);
1585 return format;
1586 }
1587 case VERTEX_FORMAT_UBYTE1_NORM:
1588 {
1589 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false);
1590 return format;
1591 }
1592 case VERTEX_FORMAT_UBYTE2:
1593 {
1594 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false);
1595 return format;
1596 }
1597 case VERTEX_FORMAT_UBYTE2_NORM:
1598 {
1599 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false);
1600 return format;
1601 }
1602 case VERTEX_FORMAT_UBYTE3:
1603 {
1604 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false);
1605 return format;
1606 }
1607 case VERTEX_FORMAT_UBYTE3_NORM:
1608 {
1609 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false);
1610 return format;
1611 }
1612 case VERTEX_FORMAT_UBYTE4:
1613 {
1614 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false);
1615 return format;
1616 }
1617 case VERTEX_FORMAT_UBYTE4_NORM:
1618 {
1619 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false);
1620 return format;
1621 }
1622 case VERTEX_FORMAT_SSHORT1:
1623 {
1624 static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false);
1625 return format;
1626 }
1627 case VERTEX_FORMAT_SSHORT1_NORM:
1628 {
1629 static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false);
1630 return format;
1631 }
1632 case VERTEX_FORMAT_SSHORT2:
1633 {
1634 static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false);
1635 return format;
1636 }
1637 case VERTEX_FORMAT_SSHORT2_NORM:
1638 {
1639 static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false);
1640 return format;
1641 }
1642 case VERTEX_FORMAT_SSHORT3:
1643 {
1644 static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false);
1645 return format;
1646 }
1647 case VERTEX_FORMAT_SSHORT3_NORM:
1648 {
1649 static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false);
1650 return format;
1651 }
1652 case VERTEX_FORMAT_SSHORT4:
1653 {
1654 static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false);
1655 return format;
1656 }
1657 case VERTEX_FORMAT_SSHORT4_NORM:
1658 {
1659 static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false);
1660 return format;
1661 }
1662 case VERTEX_FORMAT_USHORT1:
1663 {
1664 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false);
1665 return format;
1666 }
1667 case VERTEX_FORMAT_USHORT1_NORM:
1668 {
1669 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false);
1670 return format;
1671 }
1672 case VERTEX_FORMAT_USHORT2:
1673 {
1674 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false);
1675 return format;
1676 }
1677 case VERTEX_FORMAT_USHORT2_NORM:
1678 {
1679 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false);
1680 return format;
1681 }
1682 case VERTEX_FORMAT_USHORT3:
1683 {
1684 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false);
1685 return format;
1686 }
1687 case VERTEX_FORMAT_USHORT3_NORM:
1688 {
1689 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false);
1690 return format;
1691 }
1692 case VERTEX_FORMAT_USHORT4:
1693 {
1694 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false);
1695 return format;
1696 }
1697 case VERTEX_FORMAT_USHORT4_NORM:
1698 {
1699 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false);
1700 return format;
1701 }
1702 case VERTEX_FORMAT_SINT1:
1703 {
1704 static const VertexFormat format(GL_INT, GL_FALSE, 1, false);
1705 return format;
1706 }
1707 case VERTEX_FORMAT_SINT1_NORM:
1708 {
1709 static const VertexFormat format(GL_INT, GL_TRUE, 1, false);
1710 return format;
1711 }
1712 case VERTEX_FORMAT_SINT2:
1713 {
1714 static const VertexFormat format(GL_INT, GL_FALSE, 2, false);
1715 return format;
1716 }
1717 case VERTEX_FORMAT_SINT2_NORM:
1718 {
1719 static const VertexFormat format(GL_INT, GL_TRUE, 2, false);
1720 return format;
1721 }
1722 case VERTEX_FORMAT_SINT3:
1723 {
1724 static const VertexFormat format(GL_INT, GL_FALSE, 3, false);
1725 return format;
1726 }
1727 case VERTEX_FORMAT_SINT3_NORM:
1728 {
1729 static const VertexFormat format(GL_INT, GL_TRUE, 3, false);
1730 return format;
1731 }
1732 case VERTEX_FORMAT_SINT4:
1733 {
1734 static const VertexFormat format(GL_INT, GL_FALSE, 4, false);
1735 return format;
1736 }
1737 case VERTEX_FORMAT_SINT4_NORM:
1738 {
1739 static const VertexFormat format(GL_INT, GL_TRUE, 4, false);
1740 return format;
1741 }
1742 case VERTEX_FORMAT_UINT1:
1743 {
1744 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false);
1745 return format;
1746 }
1747 case VERTEX_FORMAT_UINT1_NORM:
1748 {
1749 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false);
1750 return format;
1751 }
1752 case VERTEX_FORMAT_UINT2:
1753 {
1754 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false);
1755 return format;
1756 }
1757 case VERTEX_FORMAT_UINT2_NORM:
1758 {
1759 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false);
1760 return format;
1761 }
1762 case VERTEX_FORMAT_UINT3:
1763 {
1764 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false);
1765 return format;
1766 }
1767 case VERTEX_FORMAT_UINT3_NORM:
1768 {
1769 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false);
1770 return format;
1771 }
1772 case VERTEX_FORMAT_UINT4:
1773 {
1774 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false);
1775 return format;
1776 }
1777 case VERTEX_FORMAT_UINT4_NORM:
1778 {
1779 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false);
1780 return format;
1781 }
1782 case VERTEX_FORMAT_SBYTE1_INT:
1783 {
1784 static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true);
1785 return format;
1786 }
1787 case VERTEX_FORMAT_SBYTE2_INT:
1788 {
1789 static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true);
1790 return format;
1791 }
1792 case VERTEX_FORMAT_SBYTE3_INT:
1793 {
1794 static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true);
1795 return format;
1796 }
1797 case VERTEX_FORMAT_SBYTE4_INT:
1798 {
1799 static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true);
1800 return format;
1801 }
1802 case VERTEX_FORMAT_UBYTE1_INT:
1803 {
1804 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true);
1805 return format;
1806 }
1807 case VERTEX_FORMAT_UBYTE2_INT:
1808 {
1809 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true);
1810 return format;
1811 }
1812 case VERTEX_FORMAT_UBYTE3_INT:
1813 {
1814 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true);
1815 return format;
1816 }
1817 case VERTEX_FORMAT_UBYTE4_INT:
1818 {
1819 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true);
1820 return format;
1821 }
1822 case VERTEX_FORMAT_SSHORT1_INT:
1823 {
1824 static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true);
1825 return format;
1826 }
1827 case VERTEX_FORMAT_SSHORT2_INT:
1828 {
1829 static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true);
1830 return format;
1831 }
1832 case VERTEX_FORMAT_SSHORT3_INT:
1833 {
1834 static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true);
1835 return format;
1836 }
1837 case VERTEX_FORMAT_SSHORT4_INT:
1838 {
1839 static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true);
1840 return format;
1841 }
1842 case VERTEX_FORMAT_USHORT1_INT:
1843 {
1844 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true);
1845 return format;
1846 }
1847 case VERTEX_FORMAT_USHORT2_INT:
1848 {
1849 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true);
1850 return format;
1851 }
1852 case VERTEX_FORMAT_USHORT3_INT:
1853 {
1854 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true);
1855 return format;
1856 }
1857 case VERTEX_FORMAT_USHORT4_INT:
1858 {
1859 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true);
1860 return format;
1861 }
1862 case VERTEX_FORMAT_SINT1_INT:
1863 {
1864 static const VertexFormat format(GL_INT, GL_FALSE, 1, true);
1865 return format;
1866 }
1867 case VERTEX_FORMAT_SINT2_INT:
1868 {
1869 static const VertexFormat format(GL_INT, GL_FALSE, 2, true);
1870 return format;
1871 }
1872 case VERTEX_FORMAT_SINT3_INT:
1873 {
1874 static const VertexFormat format(GL_INT, GL_FALSE, 3, true);
1875 return format;
1876 }
1877 case VERTEX_FORMAT_SINT4_INT:
1878 {
1879 static const VertexFormat format(GL_INT, GL_FALSE, 4, true);
1880 return format;
1881 }
1882 case VERTEX_FORMAT_UINT1_INT:
1883 {
1884 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true);
1885 return format;
1886 }
1887 case VERTEX_FORMAT_UINT2_INT:
1888 {
1889 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true);
1890 return format;
1891 }
1892 case VERTEX_FORMAT_UINT3_INT:
1893 {
1894 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true);
1895 return format;
1896 }
1897 case VERTEX_FORMAT_UINT4_INT:
1898 {
1899 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true);
1900 return format;
1901 }
1902 case VERTEX_FORMAT_FIXED1:
1903 {
1904 static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false);
1905 return format;
1906 }
1907 case VERTEX_FORMAT_FIXED2:
1908 {
1909 static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false);
1910 return format;
1911 }
1912 case VERTEX_FORMAT_FIXED3:
1913 {
1914 static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false);
1915 return format;
1916 }
1917 case VERTEX_FORMAT_FIXED4:
1918 {
1919 static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false);
1920 return format;
1921 }
1922 case VERTEX_FORMAT_HALF1:
1923 {
1924 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false);
1925 return format;
1926 }
1927 case VERTEX_FORMAT_HALF2:
1928 {
1929 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false);
1930 return format;
1931 }
1932 case VERTEX_FORMAT_HALF3:
1933 {
1934 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false);
1935 return format;
1936 }
1937 case VERTEX_FORMAT_HALF4:
1938 {
1939 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false);
1940 return format;
1941 }
1942 case VERTEX_FORMAT_FLOAT1:
1943 {
1944 static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false);
1945 return format;
1946 }
1947 case VERTEX_FORMAT_FLOAT2:
1948 {
1949 static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false);
1950 return format;
1951 }
1952 case VERTEX_FORMAT_FLOAT3:
1953 {
1954 static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false);
1955 return format;
1956 }
1957 case VERTEX_FORMAT_FLOAT4:
1958 {
1959 static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false);
1960 return format;
1961 }
1962 case VERTEX_FORMAT_SINT210:
1963 {
1964 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false);
1965 return format;
1966 }
1967 case VERTEX_FORMAT_UINT210:
1968 {
1969 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false);
1970 return format;
1971 }
1972 case VERTEX_FORMAT_SINT210_NORM:
1973 {
1974 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false);
1975 return format;
1976 }
1977 case VERTEX_FORMAT_UINT210_NORM:
1978 {
1979 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false);
1980 return format;
1981 }
1982 case VERTEX_FORMAT_SINT210_INT:
1983 {
1984 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true);
1985 return format;
1986 }
1987 case VERTEX_FORMAT_UINT210_INT:
1988 {
1989 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true);
1990 return format;
1991 }
1992 default:
1993 {
1994 static const VertexFormat format(GL_NONE, GL_FALSE, 0, false);
1995 return format;
1996 }
1997 }
1998}
1999
Corentin Wallez0c7baf12016-12-19 15:43:10 -0500[diff] [blame]2000size_t GetVertexFormatTypeSize(VertexFormatType vertexFormatType)
2001{
2002 switch (vertexFormatType)
2003 {
2004 case VERTEX_FORMAT_SBYTE1:
2005 case VERTEX_FORMAT_SBYTE1_NORM:
2006 case VERTEX_FORMAT_UBYTE1:
2007 case VERTEX_FORMAT_UBYTE1_NORM:
2008 case VERTEX_FORMAT_SBYTE1_INT:
2009 case VERTEX_FORMAT_UBYTE1_INT:
2010 return 1;
2011
2012 case VERTEX_FORMAT_SBYTE2:
2013 case VERTEX_FORMAT_SBYTE2_NORM:
2014 case VERTEX_FORMAT_UBYTE2:
2015 case VERTEX_FORMAT_UBYTE2_NORM:
2016 case VERTEX_FORMAT_SBYTE2_INT:
2017 case VERTEX_FORMAT_UBYTE2_INT:
2018 case VERTEX_FORMAT_SSHORT1:
2019 case VERTEX_FORMAT_SSHORT1_NORM:
2020 case VERTEX_FORMAT_USHORT1:
2021 case VERTEX_FORMAT_USHORT1_NORM:
2022 case VERTEX_FORMAT_SSHORT1_INT:
2023 case VERTEX_FORMAT_USHORT1_INT:
2024 case VERTEX_FORMAT_HALF1:
2025 return 2;
2026
2027 case VERTEX_FORMAT_SBYTE3:
2028 case VERTEX_FORMAT_SBYTE3_NORM:
2029 case VERTEX_FORMAT_UBYTE3:
2030 case VERTEX_FORMAT_UBYTE3_NORM:
2031 case VERTEX_FORMAT_SBYTE3_INT:
2032 case VERTEX_FORMAT_UBYTE3_INT:
2033 return 3;
2034
2035 case VERTEX_FORMAT_SBYTE4:
2036 case VERTEX_FORMAT_SBYTE4_NORM:
2037 case VERTEX_FORMAT_UBYTE4:
2038 case VERTEX_FORMAT_UBYTE4_NORM:
2039 case VERTEX_FORMAT_SBYTE4_INT:
2040 case VERTEX_FORMAT_UBYTE4_INT:
2041 case VERTEX_FORMAT_SSHORT2:
2042 case VERTEX_FORMAT_SSHORT2_NORM:
2043 case VERTEX_FORMAT_USHORT2:
2044 case VERTEX_FORMAT_USHORT2_NORM:
2045 case VERTEX_FORMAT_SSHORT2_INT:
2046 case VERTEX_FORMAT_USHORT2_INT:
2047 case VERTEX_FORMAT_SINT1:
2048 case VERTEX_FORMAT_SINT1_NORM:
2049 case VERTEX_FORMAT_UINT1:
2050 case VERTEX_FORMAT_UINT1_NORM:
2051 case VERTEX_FORMAT_SINT1_INT:
2052 case VERTEX_FORMAT_UINT1_INT:
2053 case VERTEX_FORMAT_HALF2:
2054 case VERTEX_FORMAT_FIXED1:
2055 case VERTEX_FORMAT_FLOAT1:
2056 case VERTEX_FORMAT_SINT210:
2057 case VERTEX_FORMAT_UINT210:
2058 case VERTEX_FORMAT_SINT210_NORM:
2059 case VERTEX_FORMAT_UINT210_NORM:
2060 case VERTEX_FORMAT_SINT210_INT:
2061 case VERTEX_FORMAT_UINT210_INT:
2062 return 4;
2063
2064 case VERTEX_FORMAT_SSHORT3:
2065 case VERTEX_FORMAT_SSHORT3_NORM:
2066 case VERTEX_FORMAT_USHORT3:
2067 case VERTEX_FORMAT_USHORT3_NORM:
2068 case VERTEX_FORMAT_SSHORT3_INT:
2069 case VERTEX_FORMAT_USHORT3_INT:
2070 case VERTEX_FORMAT_HALF3:
2071 return 6;
2072
2073 case VERTEX_FORMAT_SSHORT4:
2074 case VERTEX_FORMAT_SSHORT4_NORM:
2075 case VERTEX_FORMAT_USHORT4:
2076 case VERTEX_FORMAT_USHORT4_NORM:
2077 case VERTEX_FORMAT_SSHORT4_INT:
2078 case VERTEX_FORMAT_USHORT4_INT:
2079 case VERTEX_FORMAT_SINT2:
2080 case VERTEX_FORMAT_SINT2_NORM:
2081 case VERTEX_FORMAT_UINT2:
2082 case VERTEX_FORMAT_UINT2_NORM:
2083 case VERTEX_FORMAT_SINT2_INT:
2084 case VERTEX_FORMAT_UINT2_INT:
2085 case VERTEX_FORMAT_HALF4:
2086 case VERTEX_FORMAT_FIXED2:
2087 case VERTEX_FORMAT_FLOAT2:
2088 return 8;
2089
2090 case VERTEX_FORMAT_SINT3:
2091 case VERTEX_FORMAT_SINT3_NORM:
2092 case VERTEX_FORMAT_UINT3:
2093 case VERTEX_FORMAT_UINT3_NORM:
2094 case VERTEX_FORMAT_SINT3_INT:
2095 case VERTEX_FORMAT_UINT3_INT:
2096 case VERTEX_FORMAT_FIXED3:
2097 case VERTEX_FORMAT_FLOAT3:
2098 return 12;
2099
2100 case VERTEX_FORMAT_SINT4:
2101 case VERTEX_FORMAT_SINT4_NORM:
2102 case VERTEX_FORMAT_UINT4:
2103 case VERTEX_FORMAT_UINT4_NORM:
2104 case VERTEX_FORMAT_SINT4_INT:
2105 case VERTEX_FORMAT_UINT4_INT:
2106 case VERTEX_FORMAT_FIXED4:
2107 case VERTEX_FORMAT_FLOAT4:
2108 return 16;
2109
2110 case VERTEX_FORMAT_INVALID:
2111 default:
2112 UNREACHABLE();
2113 return 0;
2114 }
2115}
2116
Geoff Lang6d1ccf02017-04-24 14:09:58 -0400[diff] [blame]2117bool ValidES3InternalFormat(GLenum internalFormat)
2118{
2119 const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
2120 return internalFormat != GL_NONE && formatMap.find(internalFormat) != formatMap.end();
2121}
2122
Jamie Madilld3dfda22015-07-06 08:28:49 -0400[diff] [blame]2123VertexFormat::VertexFormat(GLenum typeIn, GLboolean normalizedIn, GLuint componentsIn, bool pureIntegerIn)
2124 : type(typeIn),
2125 normalized(normalizedIn),
2126 components(componentsIn),
2127 pureInteger(pureIntegerIn)
2128{
2129 // float -> !normalized
2130 ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) || normalized == GL_FALSE);
2131}
2132
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]2133}