gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt - Issue 10535174: Addition of unpremultiply setting to GL_CHROMIUM_copy_texture.

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Side by Side Diff: gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt

Issue 10535174: Addition of unpremultiply setting to GL_CHROMIUM_copy_texture. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/

Patch Set: Addressing review comments. Created 8 years, 6 months ago

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OLD	NEW
1 Name	1 Name

2	2

3 CHROMIUM_copy_texture	3 CHROMIUM_copy_texture

4	4

5 Name Strings	5 Name Strings

6	6

7 GL_CHROMIUM_copy_texture	7 GL_CHROMIUM_copy_texture

8	8

9 Version	9 Version

10	10

11 Last Modifed Date: April 3, 2012	11 Last Modifed Date: April 3, 2012

12	12

13 Dependencies	13 Dependencies

14	14

15 OpenGL ES 2.0 is required.	15 OpenGL ES 2.0 is required.

16	16

17 CHROMIUM_flipy affects the definition of this extension.	17 CHROMIUM_flipy affects the definition of this extension.

18 EXT_texture_format_BGRA8888 affects the definition of this extension.	18 EXT_texture_format_BGRA8888 affects the definition of this extension.

19	19

20 Overview	20 Overview

21	21

22 This extension expands on the functionality provided by the	22 This extension expands on the functionality provided by the

23 glCopyTexImage2D command. A new function is exported,	23 glCopyTexImage2D command. A new function is exported,

24 glCopyTextureCHROMIUM, that performs the same copy operation as	24 glCopyTextureCHROMIUM, that performs the same copy operation as

25 glCopyTexImage2D, while respecting the pixel-storage modifiers	25 glCopyTexImage2D, while respecting the pixel-storage modifiers

26 UNPACK_FLIP_Y_CHROMIUM and GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM.	26 UNPACK_FLIP_Y_CHROMIUM, GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM and

	27 GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM.

	28

	29 If GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM and

	30 GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM are enabled. Then no alpha

	31 processing occurs. This is the equivalent of having neither flag set.

27	32

28 The extension also supports copying BGRA textures, which is not explicitly	33 The extension also supports copying BGRA textures, which is not explicitly

29 granted by EXT_texture_format_BGRA8888.	34 granted by EXT_texture_format_BGRA8888.

30	35

31 New Procedures and Functions	36 New Procedures and Functions

32	37

33 void glCopyTextureCHROMIUM (GLenum target, GLenum source_id,	38 void glCopyTextureCHROMIUM (GLenum target, GLenum source_id,

34 GLenum dest_id, GLint level,	39 GLenum dest_id, GLint level,

35 GLint internal_format)	40 GLint internal_format)

36	41

(...skipping 27 matching lines...) Expand all Loading...
64	69

65 None.	70 None.

66	71

67 New State	72 New State

68	73

69 None.	74 None.

70	75

71 Revision History	76 Revision History

72	77

73 8/1/2011 Documented the extension	78 8/1/2011 Documented the extension

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