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author | gman@chromium.org <gman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-24 00:00:40 +0000 |
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committer | gman@chromium.org <gman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-24 00:00:40 +0000 |
commit | 1e6f58db132a6e641299f7cb2502dbf88a06b454 (patch) | |
tree | 75020e23a3df5fa5162494850e93c0af8a3ffa00 /gpu/GLES2 | |
parent | 5aea18697928ef225433a2c0a334f192fc4eb8e1 (diff) | |
download | chromium_src-1e6f58db132a6e641299f7cb2502dbf88a06b454.zip chromium_src-1e6f58db132a6e641299f7cb2502dbf88a06b454.tar.gz chromium_src-1e6f58db132a6e641299f7cb2502dbf88a06b454.tar.bz2 |
Implement latch system to help with GPU compositing flow control.
TEST=unit tests
BUG=none
Review URL: http://codereview.chromium.org/6719014
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79218 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu/GLES2')
-rw-r--r-- | gpu/GLES2/gl2ext.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gpu/GLES2/gl2ext.h b/gpu/GLES2/gl2ext.h index 4a1f828..02da1ea 100644 --- a/gpu/GLES2/gl2ext.h +++ b/gpu/GLES2/gl2ext.h @@ -950,6 +950,26 @@ typedef void (GL_APIENTRYP PFNGLREQUESTEXTENSIONCHROMIUM) (const GLchar *extensi #endif #endif +/* GL_CHROMIUM_latch */ +/* + * This extension is similar in spirit to GL_NV_fence except + * that GL_CHROMIUM_latch does not require resources to be shared + * and it does not require glFlush semantics to work. + */ +#ifndef GL_CHROMIUM_latch +#define GL_CHROMIUM_latch 1 +#ifdef GL_GLEXT_PROTOTYPES +#define glSetLatchCHROMIUM GLES2_GET_FUN(SetLatchCHROMIUM) +#define glWaitLatchCHROMIUM GLES2_GET_FUN(WaitLatchCHROMIUM) +#if !defined(GLES2_USE_CPP_BINDINGS) +GL_APICALL void GL_APIENTRY glSetLatchCHROMIUM (GLint shm_id, GLuint latch_id); +GL_APICALL void GL_APIENTRY glWaitLatchCHROMIUM (GLint shm_id, GLuint latch_id); +#endif +#else +typedef void (GL_APIENTRYP PFNGLSETLATCHCHROMIUM) (GLint shm_id, GLuint latch_id); +typedef void (GL_APIENTRYP PFNGLWaitLATCHCHROMIUM) (GLint shm_id, GLuint latch_id); +#endif +#endif #ifdef __cplusplus } |