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cogl: Remove old workaround for software Mesa

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The comment says this was fixed in 10.1, which is over five years old
now. Please use a newer Mesa already.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/900
This commit is contained in:
Adam Jackson 2019-10-22 21:53:35 -04:00
parent 40a76590dd
commit 3f9c5d04d4
1 changed files with 1 additions and 27 deletions
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26
cogl/cogl/winsys/cogl-winsys-glx.c
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@ -826,34 +826,8 @@ update_winsys_features (CoglContext *context, GError **error)
sizeof (context->winsys_features));
if (glx_renderer->glXCopySubBuffer || context->glBlitFramebuffer)
{
CoglGpuInfo *info = &context->gpu;
CoglGpuInfoArchitecture arch = info->architecture;
COGL_FLAGS_SET (context->winsys_features, COGL_WINSYS_FEATURE_SWAP_REGION, TRUE);
/*
* "The "drisw" binding in Mesa for loading sofware renderers is
* broken, and neither glBlitFramebuffer nor glXCopySubBuffer
* work correctly."
* - ajax
* - https://bugzilla.gnome.org/show_bug.cgi?id=674208
*
* This is broken in software Mesa at least as of 7.10 and got
* fixed in Mesa 10.1
*/
if (info->driver_package == COGL_GPU_INFO_DRIVER_PACKAGE_MESA &&
info->driver_package_version < COGL_VERSION_ENCODE (10, 1, 0) &&
(arch == COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE ||
arch == COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE ||
arch == COGL_GPU_INFO_ARCHITECTURE_SWRAST))
{
COGL_FLAGS_SET (context->winsys_features,
COGL_WINSYS_FEATURE_SWAP_REGION, FALSE);
}
}
/* Note: glXCopySubBuffer and glBlitFramebuffer won't be throttled
* by the SwapInterval so we have to throttle swap_region requests
* manually... */