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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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441 | 441 |
442 case InPreprocessorDirective: | 442 case InPreprocessorDirective: |
443 // No matter what the character is, just pass it | 443 // No matter what the character is, just pass it |
444 // through. Do not parse comments in this state. This | 444 // through. Do not parse comments in this state. This |
445 // might not be the right thing to do long term, but it | 445 // might not be the right thing to do long term, but it |
446 // should handle the #error preprocessor directive. | 446 // should handle the #error preprocessor directive. |
447 emit(c); | 447 emit(c); |
448 break; | 448 break; |
449 | 449 |
450 case InSingleLineComment: | 450 case InSingleLineComment: |
451 // Handle line-continuation character in single line comment. | |
452 // Advance string to next nonspace character and eat it. | |
Zhenyao Mo
2016/06/29 18:16:07
Can you also add a comment, saying that line-conti
Ken Russell (switch to Gerrit)
2016/06/30 00:04:31
This change doesn't seem to implement the behavior
qiankun
2016/06/30 15:12:47
Done.
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453 if (c == '\\') { | |
454 while (peek(temp) && WTF::isASCIISpace(temp)) | |
455 advance(); | |
456 advance(); | |
457 } | |
458 | |
451 // The newline code at the top of this function takes care | 459 // The newline code at the top of this function takes care |
452 // of resetting our state when we get out of the | 460 // of resetting our state when we get out of the |
453 // single-line comment. Swallow all other characters. | 461 // single-line comment. Swallow all other characters. |
454 break; | 462 break; |
455 | 463 |
456 case InMultiLineComment: | 464 case InMultiLineComment: |
457 if (c == '*' && peek(temp) && temp == '/') { | 465 if (c == '*' && peek(temp) && temp == '/') { |
458 emit('*'); | 466 emit('*'); |
459 emit('/'); | 467 emit('/'); |
460 m_parseState = MiddleOfLine; | 468 m_parseState = MiddleOfLine; |
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5454 if (x < 0 || y < 0 || z < 0) { | 5462 if (x < 0 || y < 0 || z < 0) { |
5455 synthesizeGLError(GL_INVALID_VALUE, functionName, "size < 0"); | 5463 synthesizeGLError(GL_INVALID_VALUE, functionName, "size < 0"); |
5456 return false; | 5464 return false; |
5457 } | 5465 } |
5458 return true; | 5466 return true; |
5459 } | 5467 } |
5460 | 5468 |
5461 bool WebGLRenderingContextBase::validateString(const char* functionName, const S tring& string) | 5469 bool WebGLRenderingContextBase::validateString(const char* functionName, const S tring& string) |
5462 { | 5470 { |
5463 for (size_t i = 0; i < string.length(); ++i) { | 5471 for (size_t i = 0; i < string.length(); ++i) { |
5472 // line-continuation character \ is supported in WebGL 2.0. | |
5473 if (isWebGL2OrHigher() && string[i] == '\\') | |
qiankun
2016/06/29 05:31:21
This isn't very accurate to say WebGL 2.0 here. We
Zhenyao Mo
2016/06/29 18:16:07
This is not true. See GLSL ES Spec 3.00.4 page 6,
Ken Russell (switch to Gerrit)
2016/06/30 00:04:31
This particular change (to validateString) seems w
| |
5474 continue; | |
5464 if (!validateCharacter(string[i])) { | 5475 if (!validateCharacter(string[i])) { |
5465 synthesizeGLError(GL_INVALID_VALUE, functionName, "string not ASCII" ); | 5476 synthesizeGLError(GL_INVALID_VALUE, functionName, "string not ASCII" ); |
5466 return false; | 5477 return false; |
5467 } | 5478 } |
5468 } | 5479 } |
5469 return true; | 5480 return true; |
5470 } | 5481 } |
5471 | 5482 |
5472 bool WebGLRenderingContextBase::validateTexFuncFormatAndType(const char* functio nName, TexImageFunctionType functionType, GLenum internalformat, GLenum format, GLenum type, GLint level) | 5483 bool WebGLRenderingContextBase::validateTexFuncFormatAndType(const char* functio nName, TexImageFunctionType functionType, GLenum internalformat, GLenum format, GLenum type, GLint level) |
5473 { | 5484 { |
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6444 contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, 1); | 6455 contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, 1); |
6445 } | 6456 } |
6446 | 6457 |
6447 void WebGLRenderingContextBase::restoreUnpackParameters() | 6458 void WebGLRenderingContextBase::restoreUnpackParameters() |
6448 { | 6459 { |
6449 if (m_unpackAlignment != 1) | 6460 if (m_unpackAlignment != 1) |
6450 contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment); | 6461 contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment); |
6451 } | 6462 } |
6452 | 6463 |
6453 } // namespace blink | 6464 } // namespace blink |
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