diff options
author | Emil Velikov <[email protected]> | 2013-04-12 12:41:50 +0100 |
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committer | Brian Paul <[email protected]> | 2013-04-17 08:48:14 -0600 |
commit | cf9bf1d4a6dc3b26e2aa192517611eba3aa5be00 (patch) | |
tree | 558f2af22eee37a07f256fff62dbec45b7bd9d99 /docs/specs/MESA_copy_sub_buffer.spec | |
parent | 5fd3b3b0857fc96b5e53a9a8bc3f11ddb3dc0ff7 (diff) |
docs: move specs to a separate folder
Handle legacy/obsolete specs as well
List all specs in extensions.html
Mark 'OLD' extensions as obsolete in extensions.html
Update the spec location in old relnotes
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'docs/specs/MESA_copy_sub_buffer.spec')
-rw-r--r-- | docs/specs/MESA_copy_sub_buffer.spec | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/docs/specs/MESA_copy_sub_buffer.spec b/docs/specs/MESA_copy_sub_buffer.spec new file mode 100644 index 00000000000..752a014b352 --- /dev/null +++ b/docs/specs/MESA_copy_sub_buffer.spec @@ -0,0 +1,96 @@ +Name + + MESA_copy_sub_buffer + +Name Strings + + GLX_MESA_copy_sub_buffer + +Contact + + Brian Paul (brian.paul 'at' tungstengraphics.com) + +Status + + Shipping since Mesa 2.6 in February, 1998. + +Version + + Last Modified Date: 12 January 2009 + +Number + + 215 + +Dependencies + + OpenGL 1.0 or later is required. + GLX 1.0 or later is required. + +Overview + + The glxCopySubBufferMESA() function copies a rectangular region + of the back color buffer to the front color buffer. This can be + used to quickly repaint 3D windows in response to expose events + when the back color buffer cannot be damaged by other windows. + +IP Status + + Open-source; freely implementable. + +Issues + + None. + +New Procedures and Functions + + void glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable, + int x, int y, int width, int height ); + +New Tokens + + None. + +Additions to Chapter 3 of the GLX 1.3 Specification (Functions and Errors) + + Add to section 3.3.10 Double Buffering: + + The function + + void glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable, + int x, int y, int width, int height ); + + may be used to copy a rectangular region of the back color buffer to + the front color buffer. This can be used to quickly repaint 3D windows + in response to expose events when the back color buffer cannot be + damaged by other windows. + + <x> and <y> indicates the lower-left corner of the region to copy and + <width> and <height> indicate the size in pixels. Coordinate (0,0) + corresponds to the lower-left pixel of the window, like glReadPixels. + + If dpy and drawable are the display and drawable for the calling + thread's current context, glXCopySubBufferMESA performs an + implicit glFlush before it returns. Subsequent OpenGL commands + may be issued immediately after calling glXCopySubBufferMESA, but + are not executed until the copy is completed. + +GLX Protocol + + None at this time. The extension is implemented in terms of ordinary + Xlib protocol inside of Mesa. + +Errors + + None. + +New State + + None. + +Revision History + + 12 January 2009 Ian Romanick - Added language about implicit flush + and command completion. + 8 June 2000 Brian Paul - initial specification + |