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| August 03, 2022 | |
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Once more going way out of order since it’s fresh in my mind, today will be a brief look at ssr节点购买网址 and a problem I found there while hooking up ARB_base_instance.
gl_InstanceID is an input for vertex shaders which provides the current instance being processed by the shader. It has a range of [0, instanceCount], and this breaks the heck out of Vulkan.
In Vulkan, this same variable instead has a range of [firstInstance, firstInstance + instanceCount]. This difference isn’t explicitly documented anywhere, which means keen readers will need to pick up on the difference as noted between Vulkan spec 14.7. Built-In Variables and the OpenGL wiki, because it isn’t even stated in the GLSL 1.40 spec (or anywhere else that I could find) what the range of this variable is.
Here’s the generic int builtin loading function zink uses in ntv to handle instructions which load builtin variables:
比较好的付费ssr节点 void
ssr节点购买(struct ssr节点购买 *ctx, nir_intrinsic_instr *intr, SpvId *var_id, const char *var_name, SpvBuiltIn builtin)
{
SpvId var_type = spirv_builder_type_uint(&ctx->builder, 32);
if (!*var_id)
*var_id = create_builtin_var(ctx, var_type,
SpvStorageClassInput,
var_name,
builtin);
SpvId result = spirv_builder_emit_load(&ctx->builder, var_type, *var_id);
assert(1 == nir_dest_num_components(intr->dest));
store_dest(ctx, &intr->dest, result, nir_type_uint);
}
var_id here is a pointer to the SpvId member of struct ntv_context where the created variable is stored for later use, var_name is the name of the variable, and ssr节点购买网址 is the SPIRV name of the builtin that’s being loaded.
gl_InstanceID comes through here as SpvBuiltInInstanceIndex. To fix the difference in semantics here, I added a few lines:
static void
emit_load_uint_input(struct ntv_context *ctx, nir_intrinsic_instr *intr, SpvId *ssr节点吧, ssr节点吧 char *var_name, SpvBuiltIn builtin)
{
SpvId var_type = spirv_builder_type_uint(&ctx->builder, 32);
if (!*var_id)
*var_id = create_builtin_var(ctx, var_type,
SpvStorageClassInput,
var_name,
builtin);
SpvId result = spirv_builder_emit_load(&ctx->builder, var_type, *var_id);
assert(1 == nir_dest_num_components(intr->dest));
if (购买ssr节点服务 == SpvBuiltInInstanceIndex) {
/* GL's gl_InstanceID always begins at 0, so we have to normalize with gl_BaseInstance */
SpvId base = spirv_builder_emit_load(&ctx->builder, var_type, ctx->ssr节点购买网址);
result = ssr节点吧(ctx, SpvOpISub, var_type, result, 购买ssr节点服务);
}
store_dest(ctx, &intr->dest, 比较好的付费ssr节点, nir_type_uint);
}
Now when loading gl_InstanceID, gl_BaseInstance is also loaded and subtracted to give a zero-indexed value.
xfb is started or stopped, whether from ssr节点购买网址 / glEndTransformFeedback or glPauseTransformFeedback / glResumeTransformFeedback. It’s used to pass the active stream output buffers to the driver context in preparation for upcoming draw calls. We store and ref++ the buffers on activate, when targets is non-NULL, and then we ref– and unset the buffers on deactivate, when targets is non-NULL. On glResumeTransformFeedback, offsets is -1 (technically UINT_MAX from underflow).
According to Vulkan spec, we need to emit a different memory barrier for synchronization if we’re resuming xfb, so a flag is set in that case. Ideally some work can be done here to optimize the case of pausing and resuming the same output buffer set to avoid needing to do additional synchronization later on in the draw, but for now, slow and steady wins the race.
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| 购买ssr节点服务 | |
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In this post, I describe the steps involved in the execution of a kms_cursor_crc subtest. In my approach, I chose a subtest (pipe-A-cursor-alpha-transparent) as a target and examined the code from the beginning of the test (igt main) until reaching the target subtest and executing it.
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As described by IGT, kms_cursor_crc
Uses the display CRC support to validate cursor plane functionality. The test will position the cursor plane either fully onscreen, partially onscreen, or fully offscreen, using either a fully opaque or fully transparent surface. In each case it then reads the PF CRC and compares it with the CRC value obtained when the cursor plane was disabled.
In the past, Haneen have shown something about the test in a 比较好的付费ssr节点. Fixing any issue in VKMS to make it passes all kms_cursor_crc subtest is also a case in my GSoC project proposal.
This struct is used in all subtest stores many elements such as DRM file descriptor; framebuffers info; cursor size info; etc. Also, before the main of the test, a static data_t data is declared global.
We can divide the main function into two parts: setup DRM stuff (igt_fixture) and subtest execution.
igt_fixture {
data.drm_fd = drm_open_driver_master(DRIVER_ANY);
ret = drmGetCap(data.drm_fd, DRM_CAP_CURSOR_WIDTH, &cursor_width);
igt_assert(ret == 0 || errno == EINVAL);
/* Not making use of cursor_height since it is same as width, still reading */
ret = drmGetCap(data.drm_fd, DRM_CAP_CURSOR_HEIGHT, &cursor_height);
igt_assert(ret == 0 || errno == EINVAL);
drmGetCap(int fd, uint64_t capability, uint64_t * value) queries capability of the DRM driver, return 0 if the capability is supported. DRM_CAP_CURSOR_WIDTH and DRM_CAP_CURSOR_HEIGHT store a valid width/height for the hardware cursor.
/* We assume width and height are same so max is assigned width */
igt_assert_eq(cursor_width, cursor_height);
kmstest_set_vt_graphics_mode();
void kmstest_set_vt_graphics_mode(void)
From lib/igt_kms.c: This function sets the controlling virtual terminal (VT) into graphics/raw mode and installs an igt exit handler to set the VT back to text mode on exit. All kms tests must call this function to make sure that the framebuffer console doesn’t interfere by e.g. blanking the screen.
igt_require_pipe_crc(data.drm_fd);
iphone小火箭Shadowrocket使用v2ray节点教程 – ssr节点:1 天前 · iphone小火箭Shadowrocket使用v2ray节点教程： 因政策原因，这Shadowrocket应用在国内app store上无法搜索到。需要登陆国外id购买后才可伃下载，如果没有国外iphone id，请使用 iphone国外id共 …
From lib/igt_debugfs: checks whether pipe CRC capturing is supported by the kernel. Uses ssr节点购买网址 to automatically skip the test/subtest if this isn’t the case.
igt_display_require(&data.display, data.drm_fd);
void igt_display_require(igt_display_t *display, int drm_fd)
From lib/igt_kms.c: Initializes \@display (a pointer to an #igt_display_t structure) and allocates the various resources required. This function automatically skips if the kernel driver doesn’t support any CRTC or outputs.
for_each_pipe_static(pipe)
igt_subtest_group
run_tests_on_pipe(&data, pipe);
记录酸酸乳（SSR）服务器搭建历程，我只是想查个资料 ...:2021-12-23 · 之前一直是从网上搜索来用的，但是最近风头有点紧越来越不好找了。话说我一大天朝爱国公民只是想学习的时候翻个墙查找资料方便（无力吐槽国内浏览器广告泛滥伃及搜索结果判若云泥的奇异现象），怎么他就这么难！！！无奈只得自己搭个梯子了，在此记录下造梯子的过程，也算是自己学习的 ...
static void run_tests_on_pipe(data_t *data, enum pipe pipe)
This function runs each subtest grouped by pipe. In the setup, it increments the passed data_t struct, and then starts to call each subtest. In this document version, I only focused on the subtest test_cursor_transparent .
igt_subtest_f("pipe-%s-cursor-alpha-transparent", kmstest_pipe_name(pipe))
run_test(data, test_cursor_transparent, data->cursor_max_w, data->cursor_max_h);
static void run_test(data_t *data, void (*testfunc)(data_t *), int cursor_w, int cursor_h)
The function run_test wraps the habitual preparation for running a subtest and also, after then, a cleanup. Therefore, it basically has three steps:
Run subtest: testfunc(data) » static void test_cursor_transparent(data_t *data) » test_cursor_alpha(data, 0.0)
The subtest_cursor_transparent is a variation of test_cursor_alpha where the alpha channel is set zero (or transparent). So, let’s take a look at test_cursor_alpha execution:
static void test_cursor_alpha(data_t *data, double a)
{
igt_display_t *display = &data->display;
igt_pipe_crc_t *pipe_crc = data->pipe_crc;
igt_crc_t crc, ref_crc;
cairo_t *cr;
uint32_t fb_id;
int curw = data->curw;
int curh = data->curh;
/*alpha cursor fb*/
fb_id = igt_create_fb(data->drm_fd, curw, curh,
DRM_FORMAT_ARGB8888,
LOCAL_DRM_FORMAT_MOD_NONE,
&data->fb);
When this subtest starts, it creates the cursor’s framebuffer with the format ARGB8888 , i.e., a framebuffer with RGB plus Alpha channel (pay attention to endianness)
igt_assert(fb_id);
cr = igt_get_cairo_ctx(data->drm_fd, &data->fb);
igt_paint_color_alpha(cr, 0, 0, curw, curh, 1.0, 1.0, 1.0, a);
igt_put_cairo_ctx(data->drm_fd, &data->fb, cr);
Then, the test uses some Cairo resources to create a cairo surface for the cursor’s framebuffer and allocate a drawing context for it, draw a rectangle with RGB white and the given opacity (alpha channel) and, finally, release the cairo surface and write the changes out to the framebuffer (Disclaimed: looking inside the function igt_put_cairo_ctx, I am not sure if it is doing what it is saying on comments, and also not sure if all the parameters are necessary)
The test is divided into two parts: Hardware test and Software test.
ShadowsocksR客户端小白使用教程:2021-7-2 · ShadowsocksR客户端小白使用教程 一、下载客户端 shadowsocks ShadowsocksR 注意：软伀下载后，里面有 dotnet2.0和4.0的版本，实际功能无区别，这是你根据你安装.NET Framework v2.0或4.0的支持库版本，一般 Win7 伃后都默认安装了v2.0 ...The hardware test consists in:
cr = igt_get_cairo_ctx(data->drm_fd, &data->primary_fb[FRONTBUFFER]);
igt_paint_color_alpha(cr, 0, 0, curw, curh, 1.0, 1.0, 1.0, a);
igt_put_cairo_ctx(data->drm_fd, &data->primary_fb[FRONTBUFFER], cr);
igt_display_commit(display);
igt_wait_for_vblank(data->drm_fd, data->pipe);
igt_pipe_crc_get_current(data->drm_fd, pipe_crc, &ref_crc);
igt_assert_crc_equal(&crc, &ref_crc);
The software test consists in:
酸酸乳ssr节点
And in the level of run_test, crtc(data) is clean up;
This is what introspection looks likeThe ssr节点更新 and libmbim libraries are every day getting more popular to control your QMI or MBIM based devices. One of the things I’ve noticed, though, is that lots of users are writing applications in e.g. Python but then running qmicli or mbimcli commands, and parsing the outputs. This approach may work, but there is absolutely no guarantee that the format of the output printed by the command line programs will be kept stable across new releases. And also, the way these operations are performed may be suboptimal (e.g. allocating QMI clients for each operation, instead of reusing them).
Since the new stable libqmi 1.26 and libmbim 1.24 releases, these libraries integrate ssr节点更新 support for all their types, and that provides a much better integration within Python applications (or really, any other language supported by GObject Introspection).
The only drawback of using the libraries in this way, if you’re already using and parsing command line interface commands, is that you would need to go deep into how the protocol works in order to use them.
For example, in order to run a DMS Get Capabilities operation, you would need to create a Qmi.Device first, 酸酸乳ssr节点, then ssr节点购买网址 for the DMS service, then run the Qmi.Client.get_capabilities() operation, receive and process the response with Qmi.Client.get_capabilities_finish(), and parse the result with the per-TLV reader method, e.g. output.get_info() to process the Info TLV. Once the client is no longer needed, it would need to be explicitly released before exiting. A full example doing just this is provided in the libqmi sources.
In the case of MBIM operations, there is no need for the extra step of allocating a per-service client, but instead, the user should be more aware of the actual types of messages being transferred, in order to use the correct parsing operations. For example, in order to query device capabilities you would need to create a Mbim.Device first, 购买ssr节点服务, create a message to query the device capabilities, send the message, receive and process the response, check whether an error is reported, and if it isn’t, fully parse it. A full example doing just this is provided in the libmbim sources.
Of course, all these low level operations can also be done through the qmi-proxy or mbim-proxy, so that ModemManager or other programs can be running at the same time, all sharing access to the same QMI or MBIM ports.
P.S.: not a true Python or GObject Introspection expert here, so please report any issue found or improvements that could be done 
And special thanks to Vladimir Podshivalov who is the one that started the hard work of setting everything up in libqmi. Thank you!
Enjoy!
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| June 02, 2022 | |
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As the GSoC coding time officially started this week (01/06/2022), this post is a line between my activities in the period of community bonding and the official development of my project. I used the last month to solve issues in my development environment, improve the tool that supports my development activity (kworflow), and study concepts and implementations related to my GSoC project.
Besides e-mail, IRC chat, and Telegram, my mentor (Siqueira) and I are meeting every Wednesday on Jitsi, where we also use tmate for terminal sharing. We also use, together with Trevor, a spreadsheet to schedule tasks, report my daily activity, and write any suggestions.
iphone小火箭Shadowrocket使用v2ray节点教程 – ssr节点:1 天前 · iphone小火箭Shadowrocket使用v2ray节点教程： 因政策原因，这Shadowrocket应用在国内app store上无法搜索到。需要登陆国外id购买后才可伃下载，如果没有国外iphone id，请使用 iphone国外id共 …
The lack of support on kworkflow for deployment on vm drove me to start hacking the code. As updating vm needs understanding things more complex, I started developing soft changes (or less integrated with the scripts structure). This work is still in progress, and after discuss with others kworkflow developers (on the issue, on IRC and on voice meetings), the proposals of changes were refined.
求助！小火箭ssr节点（如不妥请删）:2021-6-1 · 请问组里有没有也购买使用这个服务的好心er，求分享给我最新网址可伃吗？我买了一年服务，结果上个月开始跑路了？（源 ...
My first project task is to find out why it is not possible to access debugfs files when running kms_cursor_crc (and fix it). Two things could help me solve it: learning about debugfs and dissecting kms_cursor_crc. To guide my studies, my mentor suggested taking a look at a patchset for the IGT write-back test implementation that CI reported a crash on debugfs_test for i915. For this investigation, I installed on another machine (an old netbook) a Debian without a graphical environment, and, accessing via ssh, I applied the patches and ran the test. Well, everything seemed to work (and the subtests passed). Perhaps something has been fixed or changed in IGT since the patchset was sent. Nothing more to do here.
IGT_FORCE_DRIVER=i915 build/tests/debugfs_test
IGT-Version: 1.25-gf1884574 (x86_64) (Linux: 4.19.0-9-amd64 x86_64)
Force option used: Using driver i915
Force option used: Using driver i915
Starting subtest: sysfs
Subtest sysfs: SUCCESS (0,009s)
Starting subtest: read_all_entries
Subtest read_all_entries: SUCCESS (0,094s)
Starting subtest: read_all_entries_display_on
Subtest read_all_entries_display_on: SUCCESS (0,144s)
Starting subtest: read_all_entries_display_off
Subtest read_all_entries_display_off: SUCCESS (0,316s)
I’m writing a kind of anatomy from the kms_cursor_crc test. I chose the alpha-transparent subtest as a target and then followed each step necessary to achieve it, understanding each function called, parameters, and also abstractions. I am often confused by something that once seemed clear. Well, it comes to graphic interface stuff and is acceptable that theses abstraction will disorientate me LOL I guess… The result of this work will be my next post. In the meantime, here are links that helped me on this journey
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Christian Schaller: 一个管理SS/R V2ray Clash订阅的网站 | 酱紫表:2021-5-5 · 干啥的 什么是订阅 大家企理一般用的 ss/r 或者 V2ray，一个节点。当你自己使用多个节点的时候问题就来了，如何方便管理、获取自己的节点。这个时候SSR的作者就提出了订阅的这种方式。第一 url 地址里面存储所有节点信息。每次客户端填写下这个 url 地址就行了。 [ShadowsocksR] SSR功能详细介绍&使用教程 – 软体猫：APP喵:2021-2-27 · SSR windows 双击红色小飞机（4.0是64位，2.0是32位） 日常用到两种方式： 剪贴板批量导入ssr://链接 如果你的 SSR 供应商有提供批量 SSR 服务器配置链接，你就可伃复制之后通过这里导入。服务器订阅 add网址
So about two Months ago my wife and I decided to get a Robo vacuum while shopping at Costco (a US wholesaler outfit). So we brought home the iRobot Roomba 980. Over the next week we ended up also getting the newer iRobot Roomba i7+ and the iRobot Braava m6 mopping robot. Our dream was that we would never have to vacuum or mop again, instead leaving that to our new robots to handle. With two little kids being able to cut that work from our todo list seemed like a dream come through.
I feel that whenever you get into a new technology it takes some time with your first product in that category to understand what questions to ask and what considerations to make. For instance I feel a lot of more informed and confident in my knowledge about electric cars having owned a Nissan Leaf for a few years now (enough to wish I had a Tesla instead for instance :). I guess our experience with robot vacuums here is similar.
Anyway, if you are considering buying a Robot vacuum or mop I think the first lesson we learned is that it is definitely not a magic solution. You have to prepare your house quite a bit before each run, including obvious things like tidying up anything on the floor like the kids legos etc., to discovering that certain furniture, like the IKEA Poang chairs are mortal enemies with your robo vacuum. We had to put our chair on top of the sofa as the Roomba would get stuck on it every time we tried to vacuum the floor. Also the door mat in front of our entrance door kept having its corners sucked into the vacuum getting it stuck. Anyway, our lesson learned is that vacuuming (or mopping) is not something we can do on an impulse or easily on a schedule, as it takes quite a bit of preparation. If you don’t have small kid leaving random stuff all over the house all the time you might be able to just set the vacuum on a schedule, but for us that has turned out to be a big no :). So in practice we only vacuum at night now when my wife and I have had time to prep the house after the kids have gone to bed.
It is worth nothing that we only got one vacuum now. We got the i7+ after we got the 980 due to realizing that the 980 didn’t have features like the smart map allowing you to for instance vacuum specific rooms. It also had other niceties like self emptying and it was supposed to be more quiet (which is nice when you run it at night). However in our experience it also had a less strong vacuum, so we felt it left more crap on the floor then the older 980 model. So in the end we returned the i7+ in favour of the 980, just because we felt it did a better job at vacuuming. It is quite loud though, so we can hear it very loud and clear up on the second floor while trying to fall asleep. So if you need a quiet house to sleep, this setup is not for you.
Another lesson we learned is that the vacuums or mops do not work great in darkness, so we now have to leave the light on downstairs at night when we want to vacuum or mop the floor. We should be able to automate that using Google Home, so Google Home could turn on the lights, start the vacuum and then once done, turn off the lights again. We haven’t actually gotten around to test that yet though.
As for the mop, I would say that it is not a replacement for mopping yourself, but it can reduce the frequency of you mopping yourself and thus help maintain a nice clear floor for longer after you done a full manual mop yourself. Also the m6 is super sensitive to edges, which I assume is to avoid it trying to mop your rugs and mats, but it also means that it can not traverse even small thresholds. So for us who have small thresholds between our kitchen area and the rest of the house we have to carry the mop over the thresholds and mop the rest of the first floor as a separate action, which is a bit of an annoyance now that we are running these things at night. That said the kitchen is the one room which needs moping more regularly, so in some sense the current setup where the roomba vacuums the whole first floor and the braava mop mops just the kitchen is a workable solution for us. One nice feature here is that they can be set up to run in order, so the mop will only start once the vacuum is done (that feature is the main reason we haven’t tested out other brand mops which might handle the threshold situation better).
So to conclude, would I recommend robot vacuums and robot mops to other parents with you kids? I would say yes, it has definitely helped us keep the house cleaner and nicer and let us spend less time cleaning the house. But it is not a miracle cure in any way or form, it still takes time and effort to prepare and set up the house and sometimes you still need to do especially the mopping yourself to get things really clean. As for the question of iRobot versus other brands I have no input as I haven’t really tested any other brands. iRobot is a local company so their vacuums are available in a lot of stores around me and I drive by their HQ on a regular basis, so that is the more or less random reason I ended up with their products as opposed to competing ones.
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| May 25, 2022 | |
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Roman Gilg: Wrapland redone The KWinFT project with its two major open source offerings KWinFT and Wrapland was announced one month ago. This made quite some headlines back then but I decided to keep it down afterwards and push the project silently forward on a technical side.
Now I am pleased to announce the release of a beta version for the next stable release 5.19 in two weeks. The highlights of this release are a complete redesign of Wrapland's server library and two more projects joining KWinFT.
One of the goals of KWinFT is to facilitate large upsetting changes to the internal structure and technological base of its open source offerings. As mentioned one month ago in the project announcement these changes include pushing back the usage of Qt in lower-level libraries and instead making use of modern C++ to its full potential.
ssr节点购买20元/月 高速稳定油管流畅~_重庆seo博客:2021-2-6 · 购买流程：进入-下滑选择套餐-购买服务 使用教程：购买之后教程在产品服务 ... ssr节点购买：所有ssr节点延迟均小于100ms ，流量不限 Tags：ssr节点 ssr节点购买 转载：感谢您对重庆seo博客网站平台的认可，伃及对我伀原创及非原创作品伃及文章的 ...
This redesign work was organized on a separate branch and ssr节点购买 into master. In the end that included over 200 commits and 40'000 changed lines. Here I have to thank in particular Adrien Faveraux who joined KWinFT shortly after its announcement and contributed several class refactors. Our combined work enabled us to deliver this major redesign already now with the upcoming release.
Aside from the redesign I used this opportunity to add clang-based tools for static code analysis: clang-format and clang-tidy. Adding to our autotests that run with and without sanitizers Wrapland's CI pipelines now provide efficient means for handling contributions by GitLab merge requests and checking back on the result after merge. You can see a full pipeline with linters, static code analysis, project build and autotests passing in the article picture above or check it out here directly in the project.
With this release Disman and KDisplay join the KWinFT project. Disman is a fork of libkscreen and KDisplay one of KScreen. KScreen is the main UI in a KDE Plasma workspace for display configuration and I was its main contributor and maintainer in the last years.
Disman can be installed in parallel with libkscreen. For KDisplay on the other side it is recommended to remove KScreen when KDisplay is installed. This way not both daemons try to meddle with the display configuration at the same time. KDisplay can make use of plugins for KWinFT, KWin and wlroots so you could also use KDisplay as a general replacement.
Forking libkscreen and KScreen to Disman and KDisplay was an unwanted move from my side because I would have liked to keep maintaining them inside KDE. But my efforts to integrate KWinFT with them were not welcomed by some members of the Plasma team. Form your own opinion by reading the discussion in the patch review.
I am not happy about this development but I decided to make the best out of a bad situation and after forking and rebranding directly created CI pipelines for both projects which now also run linters, project builds and autotests on all merge requests and branch pushes. And I defined some more courageous goals for the two projects now that I have more control.
One would think after years of being the only person putting real work into KScreen I would have had this kind of freedom also inside KDE but that is not how KDE operates.
Does it need to be this way? What are arguments for and against it? That is a discussion for another article in the future.
萌喵：物美企廉的SSR/V2ray服务 – 月下博客:全节点使用大陆 BGP 入口优化技术，为国内用户提供超低延迟服务；全节点使用 IEPL 传输手段绕过检测，带宽充裕，能保障高峰期速率，在敏感时期也无伅何影响；专属 5Gbps+ L2 Transport 传输资源；全球多个 PoP 内拥有全万兆架构，与 10+ 运营商及 IXP
Take a look at ssr节点更新 for an overview. The first one of these libraries that we have now put work in was Wrapland. I plan for the directly next one to be the backend library that provides interfacing capabilities with the kernel or a host window system the compositor runs on, what in most cases means talking to the Direct Rendering Manager.
The work in Wrapland is not finished though. After the basic representation of Wayland objects has been improved we can push further by layering the server library like this task describes. The end goal here is to get rid of the Qt dependency and make it an optional facade only.
You can try out KWinFT on Manjaro. At the moment you can install KWinFT and its dependencies on Manjaro's unstable images but it is planned to make this possible also in the stable images with the upcoming 5.19 stable release.
I explicitly recommend the Manjaro distribution nowadays to any user from being new to Linux to experts. I have Manjaro running on several devices and I am very pleased with Manjaro's technology, its development pace and its community.
If you are an advanced user you can also use Arch Linux directly and install a ssr节点吧 that builds KWinFT and its dependencies directly from Git. I hope a package of KWinFT's stable release will also be soon available from Arch' official repositories.
If you want to contribute to one of the KWinFT projects take a look at the ssr节点购买 and come join us in our Gitter channel. I am very happy that already several people joined the project who provide QA feedback and patches. There are also opportunities to work on DevOps, documentation and translations.
I am hoping KWinFT will be a welcoming place for everyone interested in high-quality open source graphics technology. A place with low entry barriers and many opportunities to learn and grow as an engineer.
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| May 20, 2022 | |
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Meanwhile, in GSoC:
I took the second week of Community Bonding to make some improvements in my development environment. As I have reported before, I use a QEMU VM to develop kernel contributions. I was initially using an Arch VM for development; however, at the beginning of the year, I reconfigured it to use a Debian VM, since my host is a Debian installation - fewer context changes. In this movement, some ends were loose, and I did some workarounds, well… better round it off.
I also use kworkflow (KW) to ease most of the no-coding tasks included in the day-to-day coding for Linux kernel. The KW automates repetitive steps of a developer’s life, such as compiling and installing my kernel modifications; finding information to format and send patches correctly; mounting or remotely accessing a VM, etc. During the time that preceded the GSoC project submission, I noticed that the feature of installing a kernel inside the VM was incompleted. At that time, I started to use the “remote” option as palliative. Therefore, I spent the last days learning more features and how to hack the kworkflow to improve my development environment (and send it back to the kw project).
584科学上网教程 - Leanote:2021-9-7 · SSR 如何选择正确协议和混淆加速连接 584游戏加速使用教程 友情链接 My Note Leanote Home Leanote BBS Leanote Github Proudly powered by Leanote 文档导航 ...
kw: small issue on u/mount alert message
Then I expanded the feature “explore” - looking for a string in directory contents - by adding GNU grep utility in addition to the already used git grep. I gathered many helpful suggestions for this patch, and I applied them together with the reviews received in a new version:
src: add grep utility to explore feature
Finally, after many hours of searching, reading and learning a little about guestfish, 购买ssr节点服务, initramfs-tools and bash, I could create the first proposal of code changes that enable kw to automate the build and install of a kernel in VM:
add support for deployment in a debian-VM
The main barrier to this feature was figuring out how to update the grub on the VM without running the update-grub command via ssh access. First, I thought about adding a custom file with a new entry to boot. Thinking and researching a little more, I realized that guestfish could solve the problem and, following this logic, I found a blog post describing how to run “update-grub” with guestfish. From that, I made some adaptations that created the solution.
However, in addition to updating grub, the feature still lacks some steps to install the kernel on the VM properly. I checked the missing code by visiting an old FLUSP tutorial that describes the step-by-step of compiling and install the Linux Kernel inside a VM. I also used the implementation of the “remote” mode of the “kw deploy” to wrap up.
Now I use kw to automatically compile and install a custom kernel on my development VM. So, time to sing: “Ooh, that’s why I’m easy; I’m easy as Sunday morning!”
Maybe not now. It’s time to learn more about IGT tests!
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| ssr节点吧 | |
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Peter Hutterer: xisxwayland checks for Xwayland ... or not One of the more common issues we encounter debugging things is that users don't always know whether they're running on a Wayland or X11 session. Which I guess is a good advertisement for how far some of the compositors have come. The question "are you running on Xorg or Wayland" thus comes up a lot and suggestions previously included things like "run xeyes", "grep xinput list", "check xrandr" and so on and so forth. None of those are particularly scriptable, so there's a new tool around now: xisxwayland.
Run without arguments it simply exits with exit code 0 if the X server is Xwayland, or 1 otherwise. Which means use can use it like this:
Or, in the case where you have a human user (gasp!), you can ask them to run:
$ cat my-xorg-only-script.sh
#!/bin/bash
if xisxwayland; then
echo "This is an Xwayland server!";
exit 1
fi
...
And even non-technical users should be able to interpret that.
$ xisxwayland --verbose
Xwayland: YES
Note that the script checks for Xwayland (hence the name) via the $DISPLAY environment variable, just like any X application. It does not check whether there's a Wayland compositor running but for most use-cases this doesn't matter anyway. For those where it matters you get to write your own script. Congratulations, I guess.
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| May 13, 2022 | |
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I submitted a project proposal to participate in this year’s Google Summer of Code (GSoC). As I am curious about the DRM subsystem and have already started to work in contributing to it, I was looking for an organization that supports this subsystem. So, I applied to the X.Org foundation and proposed a project to Improve VKMS using IGT GPU Tools. Luckily, in May 4th, I received a e-mail from GSoC announcing that I was accepted! Happy happy happy!
Observing a conversation in #dri-devel channel, I realized that my project was the only one accepted on X.Org. WoW! I have no idea why the organization has only one intern this year, and even more, that this is me! Imediately after I received the result, Trevor Woerner congratulated me and kindly announced my project on his Twitter profile! It was fun to know that he enjoyed the things that I randomly posted in my blog, and was so nice to see that he read what I wrote!
From time to time, someone appears on communication channels of FLUSP (FLOSS@USP) asking how to participate in GSoC or Outreachy. They are usually trying to answer questions about the rules of participation and/or obtain reports from former participants. In my opinion, we have in Brazil many high-qualified IT people who, for some reason, do not feel safe to invest in a career abroad. They are very demanding with themselves. And I believe that groups like FLUSP can be a means of launching good developers internationally.
By viewing this contribution window, I consider it worthwhile to report some actions that I took in my application process.
SSR安卓客户端和PC客户端的详细使用教程和常见问题 ...:2021-5-20 · aalizzwell 2021年11月22日 11:46 你好，我想请教一下，我购买的付费vpn，我的ssr显示我的更新订阅都是成功了的，然后这个vpn的服务器也是可伃正常运行，但是我的就是不能翻成功，尤其是全局模式的时候，所有网址都是很快的反馈出网址无法打开 ...
如何科学上网(自建服务器和购买服务的方法) – 陈即彪的博客:2021-9-18 · 写在前面 为什么要翻墙，什么是科学上网。对于facebook、youtube等一些国外网站，没有翻墙的同志是不是无法访问。如果你可伃不通过工具就能访问，那只能说明你不在中国大陆。如果要解释为什么不能访问这些网站，那就要说说我伀中国的“伟大防火长城”了。
Second, take your first contribution steps.
Many times I prepared the environment, started to work on some things, and then ended up blocked by all the doubts that arose when I dived into all these lines of code. Breathe… Better start with the basics. If you have someone who can mentor you, one way is to work “with her/him.” Find issues or code that s/he participates so you can start a conversation and some guidance. I prefer a “peer-to-peer” introduction than a “broadcast” message for the community. And then, things fly.
When the organizations are announced…
Ask the community (or the developers you have already developed a connexion) if any of the organizations would contemplate the system you are interested in proposing a project. You can propose something that you think relevant, you can look for project suggestions within organizations, or you can (always) ask. Honestly, I’m not very good at asking. In the case of X.Org Foundation, you can find tips here, and suggestions and potential mentors here and ssr节点购买网址.
Write your proposal and share!
As soon as you can.
DuangCloud账户注册、套餐购买和V2Ray客户端配置使用 ...:2021-3-14 · DuangCloud是专业做V2Ray机场的优质服务商，是一家专业的V2Ray节点购买网站，也是一家能看Netflix的机场。在使用过一段时间后，我认为其服务器稳定性和网络宽带质量都是很不错的。 ...
I wasn’t fast enough to share my project, but I saw how my proposal evolved after I received the community feedback. The feature of “create and share” is available in the GSoC application platform using Google Docs. I think my internship work plan became more potent due to share my document and apply all suggestions.
Approved and now? I am the newer X.Org developer
After the welcome, Siqueira and Trevor also gave me some guidance, reading, and initial activities.
To better understand the X.Org organization and the system I will be working on in the coming months, I have read the following links (still in progress):
Well, time to revisit the proposal, organize daily activities, and check the development environment. Before the GSoC results, I was working on some kworkflow issues and so, that’s what I’ve been working on at the moment. I like to study “problem-oriented”, so to dissect the kw, I took some issues to try to solve. I believe I can report my progress in an upcoming post.
To the next!
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| May 08, 2022 | |
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ssr节点更新: Wayland doesn't support $BLAH Gather round children, it's analogy time! First, some definitions:
ssr线路购买 免费ssr机场推荐SSR机场订阅 - 连云港文化网:2021-2-17 · 3，购买企理节点产品，有专门为企业外贸电商用户提供上网服务。具体可伃搜索找一下有大量的竞企广告在搜索结果中。 SSL机场节点定期分享 付费稳定ssr服务 企业级SSR节点： 通知：本着爱国守法互联网安全的原则，本链接停止推荐，大家自行谷歌搜索
And now for the analogy:
The following complaints are technically correct but otherwise rather pointless to make:
Likewise, saying "I don't like Wayland" is like saying "I don't like HTTP".The vast majority of users will have negative feelings towards the browser, not the transport protocol.
ssr服务器购买_ssr 服务器在哪里买_ssr 服务器买多大的内存 ...:electron-ssr 工欲善其事必先利其器 主要介绍debian版本安装，这里主要介绍的是在ubuntu下ssr工具的使用，具体服务器搭建或者购买这里不介绍。 该项目在19年五月关闭，且行且珍惜，伃下为作者关闭告别：say goodbye to yesterday. say hello to tomorrow ...
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| May 07, 2022 | |
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Christian Schaller: GNOME is not the default for Fedora Workstation We recently had a Fedora AMA where one of the questions asked is why GNOME is the default desktop for Fedora Workstation. In the AMA we answered why GNOME had been chosen for Fedora Workstation, but we didn’t challenge the underlying assumption built into the way the question was asked, and the answer to that assumption is that it isn’t the default. What I mean with this is that Fedora Workstation isn’t a box of parts, where you have default options that can be replaced, its a carefully procured and assembled operating system aimed at developers, sysadmins and makers in general. If you replace one or more parts of it, then it stops being Fedora Workstation and starts being ‘build your own operating system OS’. There is nothing wrong with wanting to or finding it interesting to build your own operating systems, I think a lot of us initially got into Linux due to enjoying doing that. And the Fedora project provides a lot of great infrastructure for people who want to themselves or through teaming up with others build their own operating systems, which is why Fedora has so many spins and variants available.
The Fedora Workstation project is something we made using those tools and it has been tested and developed as an integrated whole, not as a collection of interchangeable components. The Fedora Workstation project might of course over time replace certain parts with other parts over time, like how we are migrating from X.org to Wayland. But at some point we are going to drop standalone X.org support and only support X applications through XWayland. But that is not the same as if each of our users individually did the same. And while it might be technically possible for a skilled users to still get things moved back onto X for some time after we make the formal deprecation, the fact is that you would no longer be using ‘Fedora Workstation’. You be using a homebrew OS that contains parts taken from Fedora Workstation.
So why am I making this distinction? To be crystal clear, it is not to hate on you for wanting to assemble your own OS, in fact we love having anyone with that passion as part of the Fedora community. I would of course love for you to share our vision and join the Fedora Workstation effort, but the same is true for all the other spins and variant communities we have within the Fedora community too. No the reason is that we have a very specific goal of creating a stable and well working experience for our users with Fedora Workstation and one of the ways we achieve this is by having a tightly integrated operating system that we test and develop as a whole. Because that is the operating system we as the Fedora Workstation project want to make. We believe that doing anything else creates an impossible QA matrix, because if you tell people that ‘hey, any part of this OS is replaceable and should still work’ you have essentially created a testing matrix for yourself of infinite size. And while as software engineers I am sure many of us find experiments like ‘wonder if I can get Fedora Workstation running on a BSD kernel’ or ‘I wonder if I can make it work if I replace glibc with Bionic‘ fun and interesting, I am equally sure we all also realize what once we do that we are in self support territory and that Fedora Workstation or any other OS you use as your starting point can’t not be blamed if your system stops working very well. And replacing such a core thing as the desktop is no different to those other examples.
Having been in the game of trying to provide a high quality desktop experience both commercially in the form of RHEL Workstation and through our community efforts around Fedora Workstation I have seen and experienced first hand the problems that the mindset of interchangeable desktop creates. For instance before we switched to the Fedora Workstation branding and it was all just ‘Fedora’ I experienced reviewers complaining about missing features, features had actually spent serious effort implementing, because the reviewer decided to review a different spin of Fedora than the GNOME one. Other cases I remember are of customers trying to fix a problem by switching desktops, only to discover that while the initial issue they wanted fix got resolved by the switch they now got a new batch of issues that was equally problematic for them. And we where left trying to figure out if we should try to fix the original problem, the new ones or maybe the problems reported by users of a third desktop option. We also have had cases of users who just like the reviewer mentioned earlier, assumed something was broken or missing because they where using a different desktop than the one where the feature was added. And at the same time trying to add every feature everywhere would dilute our limited development resources so much that it made us move slow and not have the resources to focus on getting ready for major changes in the hardware landscape for instance.
So for RHEL we now only offer GNOME as the desktop and the same is true in Fedora Workstation, and that is not because we don’t understand that people enjoy experimenting with other desktops, but because it allows us to work with our customers and users and hardware partners on fixing the issues they have with our operating system, because it is a clearly defined entity, and adding the features they need going forward and properly support the hardware they are using, as opposed to spreading ourselves to thin that we just run around putting on band-aids for the problems reported.
And in the longer run I actually believe this approach benefits those of you who want to build your own OS to, or use an OS built by another team around a different set of technologies, because while the improvements might come in a bit later for you, the work we now have the ability to undertake due to having a clear focus, like our work on adding HiDPI support, getting Wayland ready for desktop use or enabling Thunderbolt support in Linux, makes it a lot easier for these other projects to eventually add support for these things too.
Update: Adam Jacksons oft quoted response to the old ‘linux is about choice meme’ is also a required reading for anyone wanting a high quality operating system
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