FWD » Core Development » User Interface

12/04/2020

10:42 AM Bug #4631: Widget scoped to wrong frame on hide

Can I close this? Greg Shah

06:20 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, Greg, some artifacts are present. The empty or degraded triangles couldn't be root... Hynek Cihlar

12/03/2020

03:24 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, Greg, some artifacts are present. The empty or degraded triangles couldn't be root causes of these artifacts. ... Sergey Ivanovskiy

02:44 PM Support #4955: web client/javascript drawing - fast vs crisp

Greg Shah wrote:
> Is there anything left in this task in regard to making the webgl mode work properly without any ... Hynek Cihlar

02:33 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey, please review 3821c revision 11852. This resolves the ar... Hynek Cihlar

01:40 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey, please review 3821c revision 11852. This resolves the artifacts in the rendered output... Sergey Ivanovskiy

01:06 PM Support #4955: web client/javascript drawing - fast vs crisp

Is there anything left in this task in regard to making the webgl mode work properly without any drawing problems?
... Greg Shah

12:49 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, please review 3821c revision 11852. This resolves the artifacts in the rendered output. It also resolves the ... Hynek Cihlar

09:01 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Yes, agree. Your line test proves that the line of one pixel wid... Sergey Ivanovskiy

08:13 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Yes, agree. Your line test proves that the line of one pixel width should be drawn using ... Hynek Cihlar

07:58 AM Support #4955: web client/javascript drawing - fast vs crisp

Yes, agree. Your line test proves that the line of one pixel width should be drawn using triangles... Sergey Ivanovskiy

07:38 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, the artifacts and the trimmed images are caused by the pixel-webgl coordinate transformation logic. According... Hynek Cihlar

07:25 AM Support #4955: web client/javascript drawing - fast vs crisp

Is it correct that the most priority task within this task is fixing drawing artifacts? It is suspected that these ar... Sergey Ivanovskiy

12/02/2020

10:21 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, please review these new batch tests for comparisons webgl and 2d renderer. committ... Sergey Ivanovskiy

10:10 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, please review these new batch tests for comparisons webgl and 2d renderer. committed rev 11848 (3821c). In the... Sergey Ivanovskiy

12/01/2020

08:15 AM Support #4955: web client/javascript drawing - fast vs crisp

Looking at the results, I suspect that any scenario where 2D canvas is outperformance webgl is an area in which we ca... Greg Shah

08:12 AM Support #4955: web client/javascript drawing - fast vs crisp

Eugenie recently summarized the following rules for best performance:
* Windows, Chrome - using webgl render, hard... Greg Shah

06:59 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > I don't recall if the perf tests window is modal.
> perf_tests... Hynek Cihlar

05:31 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> I don't recall if the perf tests window is modal.
perf_tests.js uses @dijit/Dialog@ from @do... Sergey Ivanovskiy

03:55 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Hynek Cihlar wrote:
> > > Sergey Ivanovskiy wrote:
> > > > Now... Hynek Cihlar

03:46 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Now application windows and this test... Sergey Ivanovskiy

03:42 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey, the number of executed draw primitives (lines, strokes, etc.) in @p2j.perf_tests.js@ s... Sergey Ivanovskiy

03:06 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek Cihlar wrote:
> > > Sergey, I checked in 3821c revision 1... Hynek Cihlar

02:58 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey, I checked in 3821c revision 11841. This, among others, i... Hynek Cihlar

02:46 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey, I checked in 3821c revision 11841. This, among others, introduces single active webgl ... Sergey Ivanovskiy

02:33 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, the number of executed draw primitives (lines, strokes, etc.) in @p2j.perf_tests.js@ should match the actual ... Hynek Cihlar

09:02 PM Support #4955: web client/javascript drawing - fast vs crisp

Here is what I have on my test environment (units are @ms@, not first but best try).
@Windows 10@ middle-high perf... Eugenie Lyzenko

07:16 AM Feature #2546: implement combo-box widget in GUI

Eugenie Lyzenko wrote:
> 3. The visible rows calculation is now reflects the 4GL approach. The @INNER-LINES@ attribu... Constantin Asofiei

11/30/2020

05:51 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> On my system with dedicated GPU (AMD Radeon RX 590), browsers left in default settings the t... Hynek Cihlar

05:48 PM Support #4955: web client/javascript drawing - fast vs crisp

Greg Shah wrote:
> For the "Performance Tests" menu item, it would be useful if it ran all the tests (both webgl and... Hynek Cihlar

05:40 PM Support #4955: web client/javascript drawing - fast vs crisp

Eugenie Lyzenko wrote:
> Sergey Ivanovskiy wrote:
> > In these tests possible hardware accelerations were turned of... Hynek Cihlar

05:26 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> @scissor@ works only if scissor op is enabled explicitly by @gl.enable(gl.SCISSOR_TEST);@... Hynek Cihlar

03:52 PM Support #4955: web client/javascript drawing - fast vs crisp

@scissor@ works only if scissor op is enabled explicitly by @gl.enable(gl.SCISSOR_TEST);@ and it uses the last set re... Sergey Ivanovskiy

02:17 PM Support #4955: web client/javascript drawing - fast vs crisp

Yes, correct, for Chrome (Ubuntu) webgl performance is increased if HW acceleration is on. Sergey Ivanovskiy

02:14 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> In these tests possible hardware accelerations were turned off. If hardware possible acce... Eugenie Lyzenko

02:01 PM Support #4955: web client/javascript drawing - fast vs crisp

Greg Shah wrote:
> For the "Performance Tests" menu item, it would be useful if it ran all the tests (both webgl and... Sergey Ivanovskiy

01:56 PM Support #4955: web client/javascript drawing - fast vs crisp

In these tests possible hardware accelerations were turned off. If hardware possible acceleration is on for Chrome, t... Sergey Ivanovskiy

01:51 PM Support #4955: web client/javascript drawing - fast vs crisp

For the "Performance Tests" menu item, it would be useful if it ran all the tests (both webgl and 2d canvas) and disp... Greg Shah

01:24 PM Support #4955: web client/javascript drawing - fast vs crisp

For my desktop system these tests showed the following opposite results. I got for Firefox:... Sergey Ivanovskiy

12:47 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, Sergey,
Have you had the ability to measure stroke lines timing for different webgl/canvas2d/browser hardwa... Eugenie Lyzenko

12:11 PM Support #4955: web client/javascript drawing - fast vs crisp

Another suspect is @clipTriangles@, this method @clipTriangles@ is tested and you can check it with @perf_tests.js@. ... Sergey Ivanovskiy

12:09 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Did you test this technique http... Hynek Cihlar

11:58 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Did you test this technique https://stackoverflow.com/questions/... Sergey Ivanovskiy

11:45 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Did you test this technique https://stackoverflow.com/questions/46806063/how-stencil-buff... Hynek Cihlar

11:28 AM Support #4955: web client/javascript drawing - fast vs crisp

Did you test this technique https://stackoverflow.com/questions/46806063/how-stencil-buffer-and-masking-work ? Should... Sergey Ivanovskiy

11:12 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Please share these tests. OK. @drawImage@ is suspected.
These were not typical tests. ... Hynek Cihlar

09:23 AM Support #4955: web client/javascript drawing - fast vs crisp

Please share these tests. OK. @drawImage@ is suspected. Sergey Ivanovskiy

08:49 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, according to my tests, the artifacts seem to directly relate to @WebGLCanvasRenderer.prototype.drawImage@ or ... Hynek Cihlar

11/29/2020

11:56 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, I checked in 3821c revision 11841. This, among others, introduces single active webgl context. Please review ... Hynek Cihlar

05:43 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> I split drawing batches at @translate@, @clip@ invoking @flashGL()@ and observed that Hot... Hynek Cihlar

11/28/2020

11:53 AM Support #4955: web client/javascript drawing - fast vs crisp

I split drawing batches at @translate@, @clip@ invoking @flashGL()@ and observed that Hotel GUI performed faster if d... Sergey Ivanovskiy

05:08 AM Support #4955: web client/javascript drawing - fast vs crisp

The preamble to the following question https://stackoverflow.com/questions/50554803/triangulate-path-data-from-openty... Sergey Ivanovskiy

11/26/2020

03:42 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, it seems this doc https://delphic.me.uk/tutorials/webgl-text has an example of web... Hynek Cihlar

02:43 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, it seems this doc https://delphic.me.uk/tutorials/webgl-text has an example of webgl drawing text that uses t... Sergey Ivanovskiy

11/25/2020

04:45 PM Support #4955: web client/javascript drawing - fast vs crisp

Eugenie Lyzenko wrote:
> I see only one demo in a 25 min show - with single pixel painting. But I see the problem - ... Hynek Cihlar

04:16 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Eugenie Lyzenko wrote:
> > Guys,
> >
> > Have you measured the performance difference... Eugenie Lyzenko

03:03 PM Support #4955: web client/javascript drawing - fast vs crisp

Eugenie Lyzenko wrote:
> Guys,
>
> Have you measured the performance difference for new @webgl@ approach comparin... Sergey Ivanovskiy

02:23 PM Support #4955: web client/javascript drawing - fast vs crisp

Please notify about the target branch updates. Meanwhile bug fixing we can dig into https://css-tricks.com/techniques... Sergey Ivanovskiy

01:34 PM Support #4955: web client/javascript drawing - fast vs crisp

> Greg, if you agree, I will commit my changes with this Chrome issue so that we can continue with the other issues, ... Greg Shah

12:52 PM Support #4955: web client/javascript drawing - fast vs crisp

I have been fighting another outstanding issue with my implementation of the single shared webgl canvas. The problem ... Hynek Cihlar

08:34 AM Support #4955: web client/javascript drawing - fast vs crisp

Guys,
Have you measured the performance difference for new @webgl@ approach comparing to legacy @canvas2d@? Does t... Eugenie Lyzenko

11/24/2020

08:16 AM Support #4955: web client/javascript drawing - fast vs crisp

No, I experimented with the fragment shader by adding coordinates of the text top left corner to the text triangles a... Sergey Ivanovskiy

07:32 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > The reason is that @strokeRect@ is used by the theme classes to ... Hynek Cihlar

06:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> The reason is that @strokeRect@ is used by the theme classes to erase widget background. I fou... Sergey Ivanovskiy

05:02 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, I don't understand why for
> [...]
> @this.offscreenCtx.fillRect(x1 - this.orig... Hynek Cihlar

11/23/2020

03:16 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, I don't understand why for ... Sergey Ivanovskiy

11:12 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11833 (3821c) added dotted style lines to fragment shader code. Sergey Ivanovskiy

10:29 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Sergey Ivanovskiy wrote:
> > Yes, the drawing primitives are complete. Now I am working ... Sergey Ivanovskiy

09:59 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Yes, the drawing primitives are complete. Now I am working to draw dash lines by the frag... Sergey Ivanovskiy

07:26 AM Support #4955: web client/javascript drawing - fast vs crisp

Yes, the drawing primitives are complete. Now I am working to draw dash lines by the fragment shader. What was found ... Sergey Ivanovskiy

06:51 AM Support #4955: web client/javascript drawing - fast vs crisp

Status update.
Feature wise we should be complete AFAIK, Sergey please correct me if I'm wrong. But there are sti... Hynek Cihlar

03:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, I am planning to change shader code according to the rev 11832 (3821c). If you hav... Hynek Cihlar

03:28 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> It seems that this is an example for @drawImage@, https://webglfundamentals.org/webgl/les... Hynek Cihlar

02:39 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, I am planning to change shader code according to the rev 11832 (3821c). If you have changes in the shader code... Sergey Ivanovskiy

01:20 AM Support #4955: web client/javascript drawing - fast vs crisp

It seems that this is an example for @drawImage@, https://webglfundamentals.org/webgl/lessons/webgl-2d-drawimage.html Sergey Ivanovskiy

11/22/2020

05:16 PM Support #4955: web client/javascript drawing - fast vs crisp

I simplified dotted line style by adding these additional vertex attributes: @a_dash@, @a_dash_pattern@, @a_normal@ a... Sergey Ivanovskiy

05:09 PM Support #4955: web client/javascript drawing - fast vs crisp

I commented to show that this code needs to be fixed but the existed code was incorrect because it calculates @var st... Sergey Ivanovskiy

04:57 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, please review the committed revision 11831 (3821c). We should evaluate our approac... Hynek Cihlar

10:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Hynek, I just found that texture... Hynek Cihlar

11/21/2020

04:20 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek, I just found that texture coordinates are calculated from... Sergey Ivanovskiy

04:01 PM Support #4955: web client/javascript drawing - fast vs crisp

I experimented with the vertex and fragment shader code and got dotted style lines for only vertical and horizontal l... Sergey Ivanovskiy

03:20 AM Support #4955: web client/javascript drawing - fast vs crisp

Eugenie Lyzenko wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Hynek, I just found that texture c... Hynek Cihlar

11/20/2020

06:46 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek, I just found that texture coordinates are calculated from... Eugenie Lyzenko

05:56 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, I just found that texture coordinates are calculated from the pixels by this formu... Hynek Cihlar

03:52 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, I just found that texture coordinates are calculated from the pixels by this formula... Sergey Ivanovskiy

09:28 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, please review the committed revision 11831 (3821c). We should evaluate our approaches. Sergey Ivanovskiy

07:00 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Committed rev 11826 (3821c) added scissor and used frame buffer @drawingBufferWidth@ and ... Sergey Ivanovskiy

04:18 AM Support #4955: web client/javascript drawing - fast vs crisp

It seems I found the root cause of #4955-268. The target image data was incorrectly placed by drawImage and it did in... Sergey Ivanovskiy

11/19/2020

04:58 AM Support #4955: web client/javascript drawing - fast vs crisp

I tried to apply these changes for drawImage that replaced @Math.round@ to @Math.floor@ and to reduce clipping area @... Sergey Ivanovskiy

04:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed rev 11826 (3821c) added scissor and used frame buffer @drawingBufferWidth@ and @drawingBufferHeight@ instea... Sergey Ivanovskiy

11/18/2020

05:24 PM Support #4955: web client/javascript drawing - fast vs crisp

I tried to fix #4955-263 but didn't succeed yet and tried to use @drawingBufferWidth@ and @drawingBufferHeight@ too. ... Sergey Ivanovskiy

03:21 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > @drawingBufferWidth@ and @drawingBufferHeight@ are actual frame ... Hynek Cihlar

01:01 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> @drawingBufferWidth@ and @drawingBufferHeight@ are actual frame buffer's @width@ and @hei... Hynek Cihlar

10:00 AM Support #4955: web client/javascript drawing - fast vs crisp

For an example, for some versions of Chrome the copy image code should take this difference into account... Sergey Ivanovskiy

09:50 AM Support #4955: web client/javascript drawing - fast vs crisp

@drawingBufferWidth@ and @drawingBufferHeight@ are actual frame buffer's @width@ and @height@, the documentation said... Sergey Ivanovskiy

09:29 AM Support #4955: web client/javascript drawing - fast vs crisp

This issue seems to be related to incorrect image shifts or sizes because dotted lines are absent and minus icons are... Sergey Ivanovskiy

08:42 AM Support #4955: web client/javascript drawing - fast vs crisp

I found a mistake in one pixel line drawings that leads to incorrect bounds of fill-in widgets. Please review the las... Sergey Ivanovskiy

07:13 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek, you calculated the rectangular clipping region as
> > [... Hynek Cihlar

11/17/2020

04:49 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Did you observe this issue with Hotel GUI?
Yes, I think I've seen this, but haven't ha... Hynek Cihlar

04:48 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, you calculated the rectangular clipping region as
> [...]
> but the width and h... Hynek Cihlar

04:19 PM Support #4955: web client/javascript drawing - fast vs crisp

Did you observe this issue with Hotel GUI?
!HotelGuiDrawingImageArtifacts.png! Sergey Ivanovskiy

01:29 PM Support #4955: web client/javascript drawing - fast vs crisp

Committed rev 11820 (3821c) fixed drawRoundRect, strokeEllipse and drawPolygon. Sergey Ivanovskiy

08:07 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, you calculated the rectangular clipping region as ... Sergey Ivanovskiy

07:29 AM Support #4955: web client/javascript drawing - fast vs crisp

Image caching fixed in webgl renderer in 3821c revision 11819. Hynek Cihlar

03:28 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11818 (3821c) added missed fill polygon with correct clipping, improved line drawings by using 2 t... Sergey Ivanovskiy

11/16/2020

09:45 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11815 (3821a) fixed #4955-244 issue. Sergey Ivanovskiy

08:46 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, I observed another issue related to tool tips windows that added their images to the background after they wer... Sergey Ivanovskiy

08:36 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > I tested HotelGUI and encountered tha... Sergey Ivanovskiy

04:58 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > I tested HotelGUI and encountered that after clicking on the Flo... Hynek Cihlar

03:36 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek Cihlar wrote:
> > > Hynek Cihlar wrote:
> > > > Sergey, ... Sergey Ivanovskiy

03:36 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> I tested HotelGUI and encountered that after clicking on the Floor combobox (Rooms tab) t... Hynek Cihlar

03:35 AM Support #4955: web client/javascript drawing - fast vs crisp

I tested HotelGUI and encountered that after clicking on the Floor combobox (Rooms tab) the following exception was t... Sergey Ivanovskiy

11/15/2020

06:36 PM Support #4955: web client/javascript drawing - fast vs crisp

I just hit the error @Too many active webgl contexts@ in browser console when testing a large GUI app. This was when ... Hynek Cihlar

06:18 PM Support #4955: web client/javascript drawing - fast vs crisp

3821c revision 11813 adds new @webClient@ directory parameter @renderer@ to specify web client renderer. Use the valu... Hynek Cihlar

05:05 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Hynek Cihlar wrote:
> > > Sergey, there is an unexpected line s... Hynek Cihlar

04:58 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Hynek Cihlar wrote:
> > Sergey, there is an unexpected line shift. See the file attached, thi... Sergey Ivanovskiy

06:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey, there is an unexpected line shift. See the file attached, this shows @demo_widgets.p@.... Hynek Cihlar

06:49 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey, there is an unexpected line shift. See the file attached, this shows @demo_widgets.p@. Hynek Cihlar

11/13/2020

03:25 PM Support #4955: web client/javascript drawing - fast vs crisp

Please look at these issues. The last issue is that the left and bottom sides of selected rectangle are not cleared w... Sergey Ivanovskiy

03:06 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Committed revision 11809 implemented JOINT_MITER style. Hynek, please review these change... Hynek Cihlar

03:03 PM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11809 implemented JOINT_MITER style. Hynek, please review these changes and test with Hotel GUI d... Sergey Ivanovskiy

11/12/2020

06:51 PM Support #4955: web client/javascript drawing - fast vs crisp

I am still working on this diff, the vertices in a line segment can change their order by @cutLine@ in @drawLineSegme... Sergey Ivanovskiy

04:01 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11807 (3821c) fixed repeated triangles for @strokeEllipse@. Sergey Ivanovskiy

02:52 AM Support #4955: web client/javascript drawing - fast vs crisp

Committed revision 11806 (3821c) implemented draw3DRect, strokeEllipse, fixed cutTriangleLine and did minor changes f... Sergey Ivanovskiy

11/11/2020

05:27 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Also I added webgl dependencies for @p2j.perf_tests.js@ in @index.html@ and did minor cha... Hynek Cihlar

05:24 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, please evaluate @p2j.strokes.webgl.js@ (the committed revision 11800 (3821c)). Tod... Hynek Cihlar

04:58 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, please evaluate @p2j.strokes.webgl.js@ (the committed revision 11800 (3821c)). Tod... Hynek Cihlar

04:14 AM Support #4955: web client/javascript drawing - fast vs crisp

Also I added webgl dependencies for @p2j.perf_tests.js@ in @index.html@ and did minor changes in @p2j.canvas_renderer... Sergey Ivanovskiy

03:55 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, please evaluate @p2j.strokes.webgl.js@ (the committed revision 11800 (3821c)). Today planning to implement joi... Sergey Ivanovskiy

11/10/2020

02:21 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> We may need to increment the coordinates by 0,5 to get to the right pixel boundary.
To clar... Hynek Cihlar

02:16 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, now our vertical and horizontal lines extended asymmetrically towards the right an... Hynek Cihlar

02:09 PM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, now our vertical and horizontal lines extended asymmetrically towards the right and bottom sides of the webgl ... Sergey Ivanovskiy

11/09/2020

04:57 PM Feature #4174: implement calendar control/dtpicker OCX replacement

The @uast/calendar/calendar-formats.txt.4gl@ and @uast/calendar/calendar-value-tests.p@ shows that the @VALUE@ attrib... Constantin Asofiei

12:26 PM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> If draw vertex arrays with @gl.TRIANGLES@, then all rectangular area between its left and... Hynek Cihlar

11:59 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Don't understand what is missed here.
>
> What is the expecte... Sergey Ivanovskiy

11:40 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Don't understand what is missed here.
What is the expected outcome?
Hynek Cihlar

08:55 AM Support #4955: web client/javascript drawing - fast vs crisp

Thank you for the updates. Our objective is to complete this work before next Monday. Greg Shah

08:52 AM Support #4955: web client/javascript drawing - fast vs crisp

I used this vertex shader in the previous example... Sergey Ivanovskiy

08:50 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek, I tried to add two another buffers for these two new attributes, relative distance from @0@ to @1@ alone a lin... Sergey Ivanovskiy

11/06/2020

03:29 PM Support #4955: web client/javascript drawing - fast vs crisp

* Planning to evaluate ideas from https://github.com/spite/THREE.MeshLine/blob/master/src/THREE.MeshLine.js
in order... Sergey Ivanovskiy

01:51 PM Support #4955: web client/javascript drawing - fast vs crisp

Greg Shah wrote:
> How much more work is needed to have this be a functional solution which can be provided to a cus... Hynek Cihlar

01:09 PM Support #4955: web client/javascript drawing - fast vs crisp

How much more work is needed to have this be a functional solution which can be provided to a customer for testing? Greg Shah

01:07 PM Support #4955: web client/javascript drawing - fast vs crisp

Probably we need to follow this way https://cesium.com/blog/2013/04/22/robust-polyline-rendering-with-webgl/ Sergey Ivanovskiy

01:05 PM Support #4955: web client/javascript drawing - fast vs crisp

Committed rev 11794 (3821c), sorry for this delayed commit. Sergey Ivanovskiy

10:30 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Please apply this attached diff and test Hotel GUI. I found that Hotel GUI Calendar popup... Hynek Cihlar

09:27 AM Support #4955: web client/javascript drawing - fast vs crisp

https://stackoverflow.com/questions/51384738/draw-a-ellipse-curve-in-fragment-shader (Example https://jsfiddle.net/7r... Sergey Ivanovskiy

09:24 AM Support #4955: web client/javascript drawing - fast vs crisp

Interesting information https://en.wikipedia.org/wiki/ANGLE_(software) that Firefox uses ANGLE as the default WebGL b... Sergey Ivanovskiy

08:30 AM Support #4955: web client/javascript drawing - fast vs crisp

Please apply this attached diff and test Hotel GUI. I found that Hotel GUI Calendar popup didn't clear outlines of th... Sergey Ivanovskiy

07:12 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> OK. I see @glStrokesManager@ now. I just tested Hotel GUI and didn't do special performan... Hynek Cihlar

07:07 AM Support #4955: web client/javascript drawing - fast vs crisp

OK. I see @glStrokesManager@ now. I just tested Hotel GUI and didn't do special performance tests. Sergey Ivanovskiy

06:59 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek Cihlar wrote:
> > Sergey Ivanovskiy wrote:
> > > Hynek, I found that the strokes ... Hynek Cihlar

06:45 AM Support #4955: web client/javascript drawing - fast vs crisp

Hynek Cihlar wrote:
> Sergey Ivanovskiy wrote:
> > Hynek, I found that the strokes manager in your test uses the 2d... Sergey Ivanovskiy

06:41 AM Support #4955: web client/javascript drawing - fast vs crisp

I found this article https://mattdesl.svbtle.com/drawing-lines-is-hard that describes available WebGL methods to supp... Sergey Ivanovskiy

06:16 AM Support #4955: web client/javascript drawing - fast vs crisp

Sergey Ivanovskiy wrote:
> Hynek, I found that the strokes manager in your test uses the 2d canvas pixels strokes ma... Hynek Cihlar