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The stw_st_framebuffer_present_locked() function was getting called
twice per SwapBuffers. First, when st_context_iface::flush() was
called from DrvSwapBuffers() because the ST_FLUSH_FRONT flag was
given. Second, by stw_st_swap_framebuffer_locked() which does the
actual SwapBuffers.
Two code changes:
1. Pass ST_FLUSH_END_OF_FRAME, instead of ST_FLUSH_FRONT.
2. Move the implementation of stw_flush_current_locked() into
DrvSwapBuffers() since it's not called anywhere else.
Not much change in perf for benchmarks like Lightsmark, but some simple
Mesa demos are measurably faster.
Reviewed-by: José Fonseca <[email protected]>
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wglCreateContextAttribsARB() didn't work previously since it returned
a context ID that wasn't allocated by OPENGL32.DLL. So if that context
ID was later passed to wglMakeCurrent(), etc. it was rejected.
Now when wglCreateContextAttribsARB() is called we actually call
wglCreateContext() in order to get a valid context ID. Then we
replace the context data which was created with new context data
which reflects the arguments passed to wglCreateContextAttribsARB().
If there were a DrvCreateContextAttribs() function in the ICD this
work-around wouldn't be necessary.
Reviewed-by: Charmaine Lee <[email protected]>
Conflicts:
src/gallium/state_trackers/wgl/stw_ext_extensionsstring.c
src/gallium/state_trackers/wgl/stw_getprocaddress.c
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Tungsten Graphics Inc. was acquired by VMware Inc. in 2008. Leaving the
old copyright name is creating unnecessary confusion, hence this change.
This was the sed script I used:
$ cat tg2vmw.sed
# Run as:
#
# git reset --hard HEAD && find include scons src -type f -not -name 'sed*' -print0 | xargs -0 sed -i -f tg2vmw.sed
#
# Rename copyrights
s/Tungsten Gra\(ph\|hp\)ics,\? [iI]nc\.\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./g
/Copyright/s/Tungsten Graphics\(,\? [iI]nc\.\)\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./
s/TUNGSTEN GRAPHICS/VMWARE/g
# Rename emails
s/[email protected]/[email protected]/
s/[email protected]/[email protected]/g
s/jrfonseca-at-tungstengraphics-dot-com/jfonseca-at-vmware-dot-com/
s/jrfonseca\[email protected]/[email protected]/g
s/keithw\[email protected]/[email protected]/g
s/[email protected]/[email protected]/g
s/thomas-at-tungstengraphics-dot-com/thellstom-at-vmware-dot-com/
s/[email protected]/[email protected]/
# Remove dead links
s@Tungsten Graphics (http://www.tungstengraphics.com)@Tungsten Graphics@g
# C string src/gallium/state_trackers/vega/api_misc.c
s/"Tungsten Graphics, Inc"/"VMware, Inc"/
Reviewed-by: Brian Paul <[email protected]>
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v2: fix a few minor issues spotted by Jose.
Reviewed-by: José Fonseca <[email protected]>
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Reviewed-by: José Fonseca <[email protected]>
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Signed-off-by: José Fonseca <[email protected]>
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This is only compile tested with crossmingw.
V2:
- reference count stw_framebuffer
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While the WGL API has been stale for decades now, the ICD interface has
been updated with new Windows versions, so it is much easier to define
everything in terms of the ICD interfaces, which is pretty much what
Microsoft's opengl32.dll does anyway.
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It is easier to have the WGL API on top of the ICD callbacks as
Microsoft's own implementation does, than to have a seperate shared
entity. This source reorganization is in antecipation of that.
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