Activity
From 09/19/2020 to 10/18/2020
10/18/2020
- 02:17 PM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Sorry, it is not webgl. It is a offscreen canvas.
>
> Yes, in... - 02:16 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Sorry, it is not webgl. It is a offscreen canvas.
Yes, in @createOffscreenCanvas@ unco... - 02:05 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sorry, it is not webgl. It is a offscreen canvas.
- 02:03 PM Support #4955: web client/javascript drawing - fast vs crisp
- Thank you! I tested your test application with Firefox and Google Chrome. Google Chrome works properly, but Firefox t...
- 01:48 PM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Great results! The solution is clear: implement raw webgl support. This is the top priority for... - 01:45 PM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> I'm reuploading webgl.js.
And in an archive. - 01:43 PM Support #4955: web client/javascript drawing - fast vs crisp
- I'm reuploading webgl.js.
- 12:46 PM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek, could you share the code for your performance presentatio... - 11:04 AM Support #4955: web client/javascript drawing - fast vs crisp
- Great results! The solution is clear: implement raw webgl support. This is the top priority for the both of you (Hy...
- 10:44 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Hynek, could you share the code for your performance presentations? Could we insert these... - 10:31 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Hynek, could you share the code for your performance presentations? Could we insert these... - 10:30 AM Support #4955: web client/javascript drawing - fast vs crisp
- The reported antialiasing issue in WebGL seems to be just an interpolation between canvas resolution and physical scr...
- 05:46 AM Support #4955: web client/javascript drawing - fast vs crisp
- Committed revision 11724 (3821c) fixed "copy logs to the clipboard" functionality.
- 05:26 AM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek, could you share the code for your performance presentations? Could we insert these charts into @p2j.perf_tests...
10/17/2020
- 12:23 PM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> One idea: test @Two.js@, @Phaser.js@... webgl frameworks to see if they have the ability to fully... - 10:34 AM Support #4955: web client/javascript drawing - fast vs crisp
- OK, this confirms what we suspected. The webgl approach is a game changer. So the key question: can we eliminate th...
10/16/2020
- 06:15 PM Support #4955: web client/javascript drawing - fast vs crisp
- Here are some results of line drawing with WebGL, 2D canvas with @lineTo@ and 2D canvas using our pixel manipulation....
- 04:06 PM Support #4955: web client/javascript drawing - fast vs crisp
- It seems that anti-aliasing really should be able to be turned off. Right now it seems to be partially implemented w...
- 02:31 PM Support #4955: web client/javascript drawing - fast vs crisp
- I added @p2j.perf_tests.js@ in the committed rev 11721 (3821c). The context menu is opened for the virtual task bar o...
- 01:19 PM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > HTMLCanvasElement.getContext accepts an antialiasing option, but this doesn't fully work, see b... - 01:13 PM Support #4955: web client/javascript drawing - fast vs crisp
- > HTMLCanvasElement.getContext accepts an antialiasing option, but this doesn't fully work, see below.
You've set ... - 10:57 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Please post a patch so that we can more easily review the exact changes.
>
The suggested cha... - 10:40 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sadly, the WebGL outputs are heavily antialiased and I don't think there is a way to turn it completely off. HTMLCanv...
- 09:18 AM Support #4955: web client/javascript drawing - fast vs crisp
- Please post a patch so that we can more easily review the exact changes.
> Moreover we do not even need to create ... - 08:33 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > As you can see there is no loop inside line painter. Only single array fill call. I tested on m... - 08:19 AM Support #4955: web client/javascript drawing - fast vs crisp
- > As you can see there is no loop inside line painter. Only single array fill call. I tested on my system and this ce...
- 07:17 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Yes, agree. Thus, we should be a... - 06:51 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Unless you are already working on it, I can prepare one of the w... - 06:49 AM Support #4955: web client/javascript drawing - fast vs crisp
- > Greg, do you agree?
Yes - 04:18 AM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Yes, agree. Thus, we should be able to test 2d with pixels manip... - 11:09 PM Support #4955: web client/javascript drawing - fast vs crisp
- Guys,
Thinking about Web driver line painting speed up I've got the idea for how to improve current bitmap based a...
10/15/2020
- 04:21 PM Support #4955: web client/javascript drawing - fast vs crisp
- > I suggest we create two WebGL versions for the performance line drawing page. One in raw WebGL and another using Tw...
- 04:05 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Yes, agree. Thus, we should be able to test 2d with pixels manipulation and two variants ... - 03:07 PM Support #4955: web client/javascript drawing - fast vs crisp
- Yes, agree. Thus, we should be able to test 2d with pixels manipulation and two variants of webgl. Correct?
- 02:55 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Please explain more thoroughly. ... - 02:48 PM Support #4955: web client/javascript drawing - fast vs crisp
- I did some reading on WebGL and some related technologies. Here are some unsorted notes I made.
* it is very low l... - 02:42 PM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Please explain more thoroughly. There are two canvases: one of t... - 12:28 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Please explain more thoroughly. There are two canvases: one of them is 2d and the other i... - 10:41 AM Support #4955: web client/javascript drawing - fast vs crisp
- > There are two canvases: one of them is 2d and the other is webgl.
Yes.
> Which one of them is transparent?
... - 10:20 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Hynek Cihlar wrote:
> > Greg Shah wrote:
> > > The one area where there will be some effort is ... - 10:04 AM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Another potential issue is that the vertex shaders use a so called clip space coordinates that... - 09:52 AM Support #4955: web client/javascript drawing - fast vs crisp
- Hynek Cihlar wrote:
> Greg Shah wrote:
> > The one area where there will be some effort is text drawing. I think w... - 09:37 AM Support #4955: web client/javascript drawing - fast vs crisp
- Another potential issue is that the vertex shaders use a so called clip space coordinates that go from -1 to 1 in eac...
- 09:06 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> The one area where there will be some effort is text drawing. I think we will need to use the "2... - 07:01 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Sergey: What is your timing on the test application? I had thought it would be something pretty ... - 06:56 AM Support #4955: web client/javascript drawing - fast vs crisp
- Yes, you are correct. It is not hard to implement. I am using dojo menu widget for the virtual task bar.
- 06:27 AM Support #4955: web client/javascript drawing - fast vs crisp
- When I am suggesting a popup menu, I don't mean for this to be in the 4GL. I am expecting a simple HTML5/JS based me...
- 05:40 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey: What is your timing on the test application? I had thought it would be something pretty quick.
Once that ... - 06:08 AM Bug #4826: HTTP 413 error with Web Client
- From Sergey:
> I would like to notify about this issue that today I observed the first time today when testing Hot...
10/14/2020
- 05:06 PM Support #4955: web client/javascript drawing - fast vs crisp
- If you provide a popup menu for the virtual desktop background for the performance test page, we should also add a "V...
- 05:04 PM Support #4955: web client/javascript drawing - fast vs crisp
- > Please review this patch for @p2j.logger.js@ to enable its functionality to the virtual desktop. Can I commit these...
- 04:28 PM Support #4955: web client/javascript drawing - fast vs crisp
- Please review this patch for @p2j.logger.js@ to enable its functionality to the virtual desktop. Can I commit these c...
- 03:01 PM Support #4955: web client/javascript drawing - fast vs crisp
- Most rectangles are drawn with 4 lines instead of the rectangle primitive. There are quite a few non-black lines dra...
- 02:42 PM Support #4955: web client/javascript drawing - fast vs crisp
- Constantin Asofiei wrote:
> On Chrome, when opening a widget-heavy customer screen, the @this.offscreenCtx.putImageD... - 11:47 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Greg Shah wrote:
> > Sergey Ivanovskiy wrote:
> > > @putImageData@ doesn't take into ac... - 10:59 AM Support #4955: web client/javascript drawing - fast vs crisp
- Yes, that is OK.
- 09:14 AM Support #4955: web client/javascript drawing - fast vs crisp
- Ok. Following this way I need to add new js module @p2j.perf_tests.js@ to @index.html@ page...
- 08:37 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Yes, I am using p2j.canvas_renderer.js and p2j.strokes.js and p2j.js. Why does it requir... - 08:04 AM Support #4955: web client/javascript drawing - fast vs crisp
- In regard to concurrency, I want to avoid it for now. Web workers come with other issues and certainly add complexit...
- 07:36 AM Support #4955: web client/javascript drawing - fast vs crisp
- > This idea has been already proposed by Sergey, see #4785-831 and related notes. But I'm not sure how far he went wi...
- 05:19 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Sergey Ivanovskiy wrote:
> > @putImageData@ doesn't take into account clipping regions. Thus, if... - 05:17 AM Support #4955: web client/javascript drawing - fast vs crisp
- Yes, I am using p2j.canvas_renderer.js and p2j.strokes.js and p2j.js. Why does it require to run this html page with...
- 04:41 AM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Greg Shah wrote:
> > > what would you like to measure for our js web client. It can degr... - 04:30 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > what would you like to measure for our js web client. It can degrade performance if we add perf... - 04:25 AM Support #4955: web client/javascript drawing - fast vs crisp
- I didn't go farther because these changes @screenImageWorkingCanvasDrawImageRevertedChanges.patch@ added regressions ...
- 03:39 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > If I understand properly your idea this is a kind of "double buffering" concept. We have two bi... - 03:31 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > If I understand properly your idea this is a kind of "double buffering" concept. We have two bi... - 12:05 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> Crazy idea number 2: use "WebGL":https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Tutor... - 11:18 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- I really like the idea of pushing the text editing down to the JS side. All of our text editing is very slow, I agre...
- 10:08 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Hynek Cihlar wrote:
> Ovidiu Maxiniuc wrote:
> > BTW, yesterday, because of an incremental compile issue, I had a d... - 10:06 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Ovidiu Maxiniuc wrote:
> BTW, yesterday, because of an incremental compile issue, I had a debug session with mouse e... - 10:05 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Ovidiu Maxiniuc wrote:
> We live in the era of intensive streaming. Not only Hollywood productions but games also. T... - 09:59 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- BTW, yesterday, because of an incremental compile issue, I had a debug session with mouse events. I had a hard time t...
- 09:48 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- We live in the era of intensive streaming. Not only Hollywood productions but games also. This year https://www.nvidi...
- 09:30 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Greg Shah wrote:
> Are there some "quick wins" we can achieve immediately using either the higher level primitives o... - 08:28 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Are there some "quick wins" we can achieve immediately using either the higher level primitives or the recording appr...
- 08:26 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- The transpiling is a reasonable way to handle the code duplication issue, IF we don't have to edit the result. Any h...
- 06:51 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- I gave all the known options more thought and I still think that some kind of transcompiling the existing widget impl...
10/13/2020
- 06:54 PM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > Every line need separate putImageData.
>
> Why is this needed?
>
This is a kind of opti... - 06:53 PM Support #4955: web client/javascript drawing - fast vs crisp
- > If I understand properly your idea this is a kind of "double buffering" concept. We have two bitmaps one that is cu...
- 06:52 PM Support #4955: web client/javascript drawing - fast vs crisp
- Crazy idea number 2: use "WebGL":https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Tutorial/Getting_started_...
- 06:43 PM Support #4955: web client/javascript drawing - fast vs crisp
- Greg Shah wrote:
> > We use putImageData for each and every line draw, and this includes drawing rectangles. If we c... - 06:35 PM Support #4955: web client/javascript drawing - fast vs crisp
- > Every line need separate putImageData.
Why is this needed?
> If we get full image covered by rectangle to dra... - 06:22 PM Support #4955: web client/javascript drawing - fast vs crisp
- Constantin Asofiei wrote:
> On Chrome, when opening a widget-heavy customer screen, the @this.offscreenCtx.putImageD... - 06:10 PM Support #4955: web client/javascript drawing - fast vs crisp
- > We use putImageData for each and every line draw, and this includes drawing rectangles. If we could use a single pu...
- 01:52 PM Support #4955: web client/javascript drawing - fast vs crisp
- On Chrome, when opening a widget-heavy customer screen, the @this.offscreenCtx.putImageData(imageData, x, y);@ line i...
- 12:21 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> @putImageData@ doesn't take into account clipping regions. Thus, if @disablePixelManipula... - 12:21 PM Support #4955: web client/javascript drawing - fast vs crisp
- > what would you like to measure for our js web client. It can degrade performance if we add performance counters for...
- 12:00 PM Support #4955: web client/javascript drawing - fast vs crisp
- @putImageData@ doesn't take into account clipping regions. Thus, if @disablePixelManipulation=true@, then some of the...
- 11:49 AM Support #4955: web client/javascript drawing - fast vs crisp
- >It needs to fix incorrect lines when using drawings on the canvas. I tried to check clipping regions and empty lines...
- 11:25 AM Support #4955: web client/javascript drawing - fast vs crisp
- Greg, what would you like to measure for our js web client. It can degrade performance if we add performance counters...
- 11:23 AM Support #4955: web client/javascript drawing - fast vs crisp
- I think the point here is how fast the @BitBlt@ or line primitives work in graphics driver. Another word what is bett...
- 08:29 AM Support #4955: web client/javascript drawing - fast vs crisp
- > I agree that these changes don't improve the UI performance that it can be visible on your computer.
I think thi... - 08:19 AM Support #4955: web client/javascript drawing - fast vs crisp
- Eugenie Lyzenko wrote:
>Disabled pixel manipulation give the following picture with many GUI line artifacts:
Yes, I... - 11:17 PM Support #4955: web client/javascript drawing - fast vs crisp
- Another note. Can you estimate the performance gain from @disablePixelManipulation@ approach? On my machine I do not ...
- 09:49 PM Support #4955: web client/javascript drawing - fast vs crisp
- @<customer_screen_redacted>@
- 08:40 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- > Maybe you already think about this and ruled it out because of code duplication, but what if we push the drawing pr...
- 07:07 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Maybe you already think about this and ruled it out because of code duplication, but what if we push the drawing prim...
- 05:53 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- > The drawing primitives are already batched in single socket message. I don't think there will be much of a performa...
10/12/2020
- 06:44 PM Support #4955: web client/javascript drawing - fast vs crisp
- Committed revision 11711 (3821c) changed @drawLineSegment@ so that if this flag, @disablePixelManipulation@, is set i...
- 05:27 PM Support #4955: web client/javascript drawing - fast vs crisp
- Sergey Ivanovskiy wrote:
> Please review this patch. Can I commit these changes for 3821c?
Yes, no objection. - 05:21 PM Support #4955: web client/javascript drawing - fast vs crisp
- Please review this patch. Can I commit these changes for 3821c?
- 04:11 PM Support #4955: web client/javascript drawing - fast vs crisp
- I encountered the new issue with @OffscreenCanvas@. If pixels manipulations are disabled, then line styles are not ap...
- 07:52 AM Support #4955: web client/javascript drawing - fast vs crisp
- Let's use @disablePixelManipulation@ instead. The default value is @false@, which means that our current pixel manip...
- 03:29 AM Support #4955: web client/javascript drawing - fast vs crisp
- It shouldn't be hard to implement because @p2j_canvas_rendering.js@ uses Canvas API for filling all drawings and only...
- 10:14 PM Support #4955: web client/javascript drawing - fast vs crisp
- My perception is that the browser/javascript drawing performance is very dependent upon the GPU of the system.
F... - 10:02 PM Support #4955 (Closed): web client/javascript drawing - fast vs crisp
- 01:36 PM Feature #4029: implement more widget rendering knowledge within the client drivers
- Greg Shah wrote:
> I think it may be time to consider a more serious implementation of this idea.
>
> One thing I... - 02:57 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Hynek Cihlar wrote:
> Has anybody explored the idea of moving the canvas rendering in a separate web worker? This co... - 02:44 AM Feature #4029: implement more widget rendering knowledge within the client drivers
- Has anybody explored the idea of moving the canvas rendering in a separate web worker? This could free the main threa...
- 10:25 PM Feature #4029: implement more widget rendering knowledge within the client drivers
- I think it may be time to consider a more serious implementation of this idea.
One thing I don't want to lose is t...
10/09/2020
- 04:27 PM Bug #4954: Extent field alignment
- Testcase:...
- 04:24 PM Bug #4954 (New): Extent field alignment
- 03:54 PM Bug #4953: Frame is not displayed when backing buffer is not available
- Testcase:...
- 03:50 PM Bug #4953 (New): Frame is not displayed when backing buffer is not available
10/07/2020
- 11:51 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- Adrian Lungu wrote:
> The bug was fixed in 3821c. rev. 11675. @GenericWidget.pushWidgetAttr@ is overridden in sever... - 09:12 AM Bug #4942 (Closed): Embbeded web client doesn't work for Hotel GUI
- Nice!
- 08:26 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- Please review only #4942-6 (3821c/11675), as the previous comments are just part of the bug hunting process.
- 08:24 AM Bug #4942 (Review): Embbeded web client doesn't work for Hotel GUI
- 08:24 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- The bug was fixed in 3821c. rev. 11675. @GenericWidget.pushWidgetAttr@ is overridden in several other widgets (child...
- 08:20 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- Hynek/Constantin: Please review.
- 06:32 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- The root of the bug is related to FWD's specific @disable-redraw@. Commenting out the @disable-row@ statements from @...
10/06/2020
- 09:17 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- I could restrict the searching scope somewhere around 11600..11608 revisions. The most of the intermediary revisions ...
- 07:28 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- I added the fix from rev. 11619 straight to the 11588 revision and tested. It seems like the embedded web client star...
- 06:09 AM Bug #4942: Embbeded web client doesn't work for Hotel GUI
- I checked some older revisions of 3821c in order to find which one triggered the bug. I should note that the latest 3...
10/05/2020
09/24/2020
- 11:52 AM Feature #4912: move UI portions of the web client to the server-side
- Greg, wouldn't it make more sense to think of this problem the other way around? Keep the client processes as they ar...
- 11:06 AM Feature #4912: move UI portions of the web client to the server-side
- When the original UI architecture of FWD was designed, there were 2 "near term" targets: ChUI and fat client GUI (Swi...
- 09:58 AM Feature #4912 (New): move UI portions of the web client to the server-side
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