diff options
author | Kenneth Graunke <[email protected]> | 2013-09-27 10:13:55 -0700 |
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committer | Kenneth Graunke <[email protected]> | 2013-10-13 00:10:43 -0700 |
commit | a25caad9e4ed848e8b1169376901d6b9889faa80 (patch) | |
tree | 64ee23f7ecb8b0a597c6c885f8d1e1494e3f1d92 /src/mesa/drivers | |
parent | 832bcc36133107e604a89f1762b9794fa7fc52ca (diff) |
i965: Update the comment about viewport hacks.
It wasn't clear that this was necessary for EGL, or why.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r-- | src/mesa/drivers/dri/i965/intel_context.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c index 5a73e283c76..850b18cd65e 100644 --- a/src/mesa/drivers/dri/i965/intel_context.c +++ b/src/mesa/drivers/dri/i965/intel_context.c @@ -373,7 +373,13 @@ intelInitContext(struct brw_context *brw, int bo_reuse_mode; struct gl_config visual; - /* Can't rely on invalidate events, fall back to glViewport hack */ + /* GLX uses DRI2 invalidate events to handle window resizing. + * Unfortunately, EGL does not - libEGL is written in XCB (not Xlib), + * which doesn't provide a mechanism for snooping the event queues. + * + * So EGL still relies on viewport hacks to handle window resizing. + * This should go away with DRI3000. + */ if (!driContextPriv->driScreenPriv->dri2.useInvalidate) { brw->saved_viewport = functions->Viewport; functions->Viewport = intel_viewport; |