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[common] added new sysinfo unit and multisample query support

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Based on @rLink234's work in 4ac781b4516678b6c59d9ecf4a61df64a01ec8c1
This commit is contained in:
Geoffrey McRae 2019-05-23 16:54:50 +10:00
parent 3585e02993
commit 78a6af8dae
5 changed files with 125 additions and 4 deletions
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2
VERSION
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@ -1 +1 @@
a12-217-gf946117dac+1
a12-219-g3585e02993+1

18
common/CMakeLists.txt
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@ -5,16 +5,28 @@ include_directories(
${PROJECT_SOURCE_DIR}/include
)
set(SOURCES
set(COMMON_SOURCES
src/stringutils.c
src/stringlist.c
src/option.c
)
set(LINUX_SOURCES
src/crash.linux.c
src/sysinfo.linux.c
)
set(WINOWS_SOURCES
src/crash.windows.c
src/sysinfo.windows.c
)
if(WIN32)
add_library(lg_common STATIC src/crash.windows.c ${SOURCES})
set(SOURCES ${COMMON_SOURCES} ${WINDOWS_SOURCES})
add_library(lg_common STATIC ${SOURCES})
else()
add_library(lg_common STATIC src/crash.linux.c ${SOURCES})
set(SOURCES ${COMMON_SOURCES} ${LINUX_SOURCES})
add_library(lg_common STATIC ${SOURCES})
target_link_libraries(lg_common bfd)
endif()

21
common/include/common/sysinfo.h Normal file
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@ -0,0 +1,21 @@
/*
KVMGFX Client - A KVM Client for VGA Passthrough
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
// returns the maximum number of multisamples supported by the system
int sysinfo_gfx_max_multisample();

64
common/src/sysinfo.linux.c Normal file
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@ -0,0 +1,64 @@
/*
KVMGFX Client - A KVM Client for VGA Passthrough
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <GL/glx.h>
int sysinfo_gfx_max_multisample()
{
Display * dpy = XOpenDisplay(NULL);
if (!dpy)
return -1;
XVisualInfo queryTemplate;
queryTemplate.screen = 0;
int visualCount;
int maxSamples = -1;
XVisualInfo * visuals = XGetVisualInfo(dpy, VisualScreenMask, &queryTemplate, &visualCount);
for (int i = 0; i < visualCount; i++)
{
XVisualInfo * visual = &visuals[i];
int res, supportsGL;
// Some GLX visuals do not use GL, and these must be ignored in our search.
if ((res = glXGetConfig(dpy, visual, GLX_USE_GL, &supportsGL)) != 0 || !supportsGL)
continue;
int sampleBuffers, samples;
if ((res = glXGetConfig(dpy, visual, GLX_SAMPLE_BUFFERS, &sampleBuffers)) != 0)
continue;
// Will be 1 if this visual supports multisampling
if (sampleBuffers != 1)
continue;
if ((res = glXGetConfig(dpy, visual, GLX_SAMPLES, &samples)) != 0)
continue;
// Track the largest number of samples supported
if (samples > maxSamples)
maxSamples = samples;
}
XCloseDisplay(dpy);
return maxSamples;
}

24
common/src/sysinfo.windows.c Normal file
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@ -0,0 +1,24 @@
/*
KVMGFX Client - A KVM Client for VGA Passthrough
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
int sysinfo_gfx_max_multisample()
{
//FIXME: Implement this
return 4;
}