| OLD | NEW |
|---|
| 1 Name | 1 Name |
| 2 | 2 |
| 3 CHROMIUM_sync_point | 3 CHROMIUM_sync_point |
| 4 | 4 |
| 5 Name Strings | 5 Name Strings |
| 6 | 6 |
| 7 GL_CHROMIUM_sync_point | 7 GL_CHROMIUM_sync_point |
| 8 | 8 |
| 9 Version | 9 Version |
| 10 | 10 |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 CHROMIUM_texture_mailbox, if present. | 34 CHROMIUM_texture_mailbox, if present. |
| 35 | 35 |
| 36 Issues | 36 Issues |
| 37 | 37 |
| 38 None | 38 None |
| 39 | 39 |
| 40 New Procedures and Functions | 40 New Procedures and Functions |
| 41 | 41 |
| 42 The command | 42 The command |
| 43 | 43 |
| 44 uint InsertFenceSyncCHROMIUM() | 44 uint64 InsertFenceSyncCHROMIUM() |
| 45 | 45 |
| 46 inserts a fence sync in the current command stream. The fence sync is | 46 inserts a fence sync in the current command stream. The fence sync is |
| 47 signaled when previous commands have been submitted to the server, or when | 47 signaled when previous commands have been submitted to the server, or when |
| 48 the context is destroyed, whichever happens first. The fence sync name is | 48 the context is destroyed, whichever happens first. The fence sync name is |
| 49 only visible for the current context. The returned fence sync name cannot | 49 only visible for the current context. The returned fence sync name cannot |
| 50 be waited upon directly, but once the command is flushed to the server it | 50 be waited upon directly, but once the command is flushed to the server it |
| 51 can be converted to a sync token using GenSyncTokenCHROMIUM which is | 51 can be converted to a sync token using GenSyncTokenCHROMIUM which is |
| 52 waitable. | 52 waitable. |
| 53 | 53 |
| 54 The command | 54 The command |
| 55 | 55 |
| 56 void GenSyncTokenCHROMIUM(uint fence_sync, GLbyte *sync_token) | 56 void GenSyncTokenCHROMIUM(uint64 fence_sync, GLbyte *sync_token) |
| 57 | 57 |
| 58 converts <fence_sync> which is only visible to the current context to a | 58 converts <fence_sync> which is only visible to the current context to a |
| 59 sync token which may be waited upon by any contexts on the same server. | 59 sync token which may be waited upon by any contexts on the same server. |
| 60 The <fence_sync> command must be flushed before this function may be | 60 The <fence_sync> command must be flushed before this function may be |
| 61 called, otherwise an INVALID_OPERATION error is generated. The generated | 61 called, otherwise an INVALID_OPERATION error is generated. The generated |
| 62 <sync_token> must be generated on the same context as when | 62 <sync_token> must be generated on the same context as when |
| 63 InsertSyncPointCHROMIUM was called. The <sync_token> can be passed and | 63 InsertSyncPointCHROMIUM was called. The <sync_token> can be passed and |
| 64 used by any context on the same server, including other context groups. | 64 used by any context on the same server, including other context groups. |
| 65 | 65 |
| 66 <sync_token> returns a GL_SYNC_POINT_SIZE_CHROMIUM byte sized name. | 66 <sync_token> returns a GL_SYNC_POINT_SIZE_CHROMIUM byte sized name. |
| 67 | 67 |
| 68 The command | 68 The command |
| 69 | 69 |
| 70 void WaitSyncTokenCHROMIUM(GLbyte *sync_token) | 70 void WaitSyncTokenCHROMIUM(const GLbyte *sync_token) |
| 71 | 71 |
| 72 causes the current context to stop submitting commands until the specified | 72 causes the current context to stop submitting commands until the specified |
| 73 fence sync becomes signaled. This is implemented as a server-side wait. | 73 fence sync becomes signaled. This is implemented as a server-side wait. |
| 74 <sync_token> is a sync token generated by GenSyncPointCHROMIUM. If | 74 <sync_token> is a sync token generated by GenSyncPointCHROMIUM. If |
| 75 <sync_token> isn't a valid sync token returned by GenSyncPointCHROMIUM, the | 75 <sync_token> isn't a valid sync token returned by GenSyncPointCHROMIUM, the |
| 76 command is equivalent to a no-op and no error is generated. | 76 command is equivalent to a no-op and no error is generated. |
| 77 | 77 |
| 78 New Tokens | 78 New Tokens |
| 79 | 79 |
| 80 The size of a sync token name in bytes. | 80 The size of a sync token name in bytes. |
| 81 | 81 |
| 82 GL_SYNC_TOKEN_SIZE_CHROMIUM 12 | 82 GL_SYNC_TOKEN_SIZE_CHROMIUM 24 |
| 83 | 83 |
| 84 Errors | 84 Errors |
| 85 | 85 |
| 86 INVALID_VALUE is generated if the <fence_sync> parameter of | 86 INVALID_VALUE is generated if the <fence_sync> parameter of |
| 87 GenSyncPointCHROMIUM is not a valid local fence sync name. | 87 GenSyncPointCHROMIUM is not a valid local fence sync name. |
| 88 | 88 |
| 89 INVALID_OPERATION is generated if the <fence_sync> parameter of | 89 INVALID_OPERATION is generated if the <fence_sync> parameter of |
| 90 GenSyncPointCHROMIUM has not been flushed to the server. | 90 GenSyncPointCHROMIUM has not been flushed to the server. |
| 91 | 91 |
| 92 New State | 92 New State |
| 93 | 93 |
| 94 None. | 94 None. |
| 95 | 95 |
| 96 Revision History | 96 Revision History |
| 97 | 97 |
| 98 2/25/2013 Documented the extension | 98 2/25/2013 Documented the extension |
| 99 | 99 |
| 100 9/8/2015 Modified functions to InsertFenceSyncCHROMIUM, | 100 9/8/2015 Modified functions to InsertFenceSyncCHROMIUM, |
| 101 GenSyncTokenCHROMIUM, and WaitSyncTokenCHROMIUM. | 101 GenSyncTokenCHROMIUM, and WaitSyncTokenCHROMIUM. |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1331843005:
Implemented new fence syncs which replaces the old sync points. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master