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SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

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SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Wed Jul 27, 2016 17:26
by ibm5155
tested wad: http://www.mediafire.com/download/erllm ... eport8.pk3
Hardware Teste:
Intel Core I7 3635QM, 8GB RAM
Windows 10 64BITS
INTEL HD4000
AMD HD8870m

example vídeo
Iuse: screen goes black, but can be viewed when you're looking at menu, console or map info, also it's viewed when some message is showed on screen or when you can see the log.

how to reproduce the error:
WARNING: test this in windowed mode, because if tested in fullscreen, your vídeo driver will crash.

step 1: test the wad file.
step 2: use your status bar with size 12 (it makes invisible)
step 3: wait for some time (there's going to have a interpolation error caused by the câmera)
now you'll see a black screen, if you view the menu or consle, you'll notice that the screen is back and you can see everything,

NOTE: This happens with both intel and amd gpus and the error were introduced in gzdoom-g2.2pre-1875-gc9f93d9.7z
NOTE2: if you F12 on titlemap, the error will not happen anymore (the câmera view point will change from the câmera to the player)

EDIT:
Actually, when I tried now with the AMD gpu, the system went crazy, I heard a sound when you disconnect a flash drive, and the screen went red, and I couldn't nothing more.

Re: Titlepic goes black screen after a time pressing esc

Posted: Sat Jul 30, 2016 15:57
by ibm5155
ok, so manually rolling back, I found the commit that caused the iuse : https://github.com/coelckers/gzdoom/com ... 8540e59f87
The specific code makes the screen black when using some kind of câmera (example ChangeCamera(1,0,1)), this only happens when you're not viewing the menu, the console, the status bar and neither when there's no message showing under the screen.

if you can view your statusbar,menu, console or either some message on screen this error will not be showed...

Re: Titlepic goes black screen after a time pressing esc

Posted: Sat Jul 30, 2016 16:02
by Graf Zahl
What graphics hardware are you using? We need to rule out a driver issue here as that commit changed quite a bit of things under the hood.

Re: Titlepic goes black screen after a time pressing esc

Posted: Sat Jul 30, 2016 16:06
by ibm5155
Graf Zahl wrote:What graphics hardware are you using? We need to rule out a driver issue here as that commit changed quite a bit of things under the hood.
The error can be reproduced with an Intel HD4000 and an AMD HD8870m
driver ver:
AMD : 16.7.2
INTEL: 10.18.10.4276

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 16:45
by dpJudas
When you say the video driver crash in fullscreen, what exactly are you seeing there? A Windows 'driver crashed' message in the corner? Has the hardware gamma on/off/fullscreen only option any influence on it?

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 17:24
by dpJudas
I can reproduce the black screen issue on my computer (working on a fix). The fullscreen crash I cannot. Only thing changed in that part of the code would be the hardware gamma code. On the other hand, perhaps sufficiently wrong gamma data could make a monitor turn off (the disconnect sound you heard)? Please let me know what happens if you set hardware gamma to off before entering fullscreen.

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 17:35
by ibm5155
dpJudas wrote:When you say the video driver crash in fullscreen, what exactly are you seeing there?
A black screen and a mouse cursor (also if I try to change from fullscreen to windowed [alt+enter] gzdoom will crash)
dpJudas wrote:A Windows 'driver crashed' message in the corner? Has the hardware gamma on/off/fullscreen only option any influence on it?
Yes I see the error message, but only when I close gzdoom. (example image below)
Image
dpJudas wrote:Has the hardware gamma on/off/fullscreen only option any influence on it?
I didn't found it under menu options, but I found the console cvar (vid_hwgamma), i changed the values from 2 to 1,0 and 3, but nothing changed...
EDIT: this is what's showed for me when it crash the driver
Image

EDIT2: When I'm in fullscreem mode, I cant do nothing, even pressing the menu key, the black background doesnt go out.
But if I start the game in windowed mode, the gpu doesn't crash and I can at least see the screen, only if I'm under menu or console command

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 18:35
by dpJudas
Thanks - that rules out the hwgamma part at least.

I've found the source to the black screen issue. Something binds a sampler object (with glBindSampler) and leaves that bound. This made it try do a mipmapped render of the buffers, which fails because there are no mipmaps. Working on a PR that takes this situation into account. If we are lucky the driver crash is how ATI/Intel reacts to being asked to draw an incomplete texture. :)

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 18:58
by dpJudas
Pull request fixing this: https://github.com/coelckers/gzdoom/pull/67

Please let me know if the driver crash remains after this change. Hopefully it shouldn't.

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 19:30
by Graf Zahl
Merged. I'm now waiting for confirmation.

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 20:12
by dpJudas
Thanks Graf.

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 20:21
by ibm5155
Well, it didn't fixed for me (actually it's a bit worse now, because now (only with the intel gpu) I can't see the normal doom 2 menu Picture)
Plus, I found that (now on both gpus) there's hom on status bar when you scale the screen
Image

Actually, the intel gpu is quite broken with menu, I cant see some fonts neither the background doom 2 Picture
Image

Just wondering, could you send me your compiled build, maybe I did something wrong here (just in case)

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sat Jul 30, 2016 20:47
by dpJudas
Hmm, I'm not seeing the change from PR 67 in master yet. What really is worrying me is the driver crash thing because that has the potential of being a really big show stopper.

The scale thing also happens on my computer. Sorry, really thought I had most of the corner cases covered. Fixing this too.

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sun Jul 31, 2016 15:10
by ibm5155
update:
I discovered that in windowed mode (with the amd gpu) if I change the screen resolution, the background image will get stucked with the last rendered frame before the texture was changed (example Picture below)
Image

And I really don't know if my log will help with something, but here's the performance usage from each part of the code:

Code: Select all

Function Name	Total CPU (%)	Self CPU (%)	Total CPU (ms)	Self CPU (ms)	Module
 - gzdoom.exe (PID: 11220)	100.00 %	0.00 %	77	0	gzdoom.exe
   - [External Code]	100.00 %	10.39 %	77	8	10 modules
     - WinMainCRTStartup	89.61 %	0.00 %	69	0	gzdoom.exe
       - __scrt_common_main	89.61 %	0.00 %	69	0	gzdoom.exe
         - __scrt_common_main_seh	89.61 %	0.00 %	69	0	gzdoom.exe
           - invoke_main	89.61 %	0.00 %	69	0	gzdoom.exe
             - WinMain	89.61 %	0.00 %	69	0	gzdoom.exe
               - DoMain	89.61 %	0.00 %	69	0	gzdoom.exe
                 - D_DoomMain	89.61 %	0.00 %	69	0	gzdoom.exe
                   - D_DoomLoop	89.61 %	0.00 %	69	0	gzdoom.exe
                     - D_Display	84.42 %	0.00 %	65	0	gzdoom.exe
                       - OpenGLFrameBuffer::Update	29.87 %	0.00 %	23	0	gzdoom.exe
                         - OpenGLFrameBuffer::Swap	20.78 %	0.00 %	16	0	gzdoom.exe
                           - Win32GLFrameBuffer::SwapBuffers	9.09 %	0.00 %	7	0	gzdoom.exe
                             + [External Code]	9.09 %	2.60 %	7	2	11 modules
                           - atioglxx.dll!0x00000004ba9826	9.09 %	0.00 %	7	0	atioglxx.dll
                             + atioglxx.dll!0x000000056c730c	9.09 %	0.00 %	7	0	atioglxx.dll
                           - atioglxx.dll!0x00000004ba98c4	2.60 %	0.00 %	2	0	atioglxx.dll
                             - atioglxx.dll!0x00000005897c32	2.60 %	0.00 %	2	0	atioglxx.dll
                               - atioglxx.dll!0x00000005875ed8	2.60 %	0.00 %	2	0	atioglxx.dll
                                 - atioglxx.dll!0x00000005875d0e	2.60 %	0.00 %	2	0	atioglxx.dll
                                   - atioglxx.dll!0x000000058b1d60	2.60 %	0.00 %	2	0	atioglxx.dll
                                     - atioglxx.dll!0x000000058b7974	2.60 %	0.00 %	2	0	atioglxx.dll
                                       - atioglxx.dll!0x000000058b90c7	2.60 %	0.00 %	2	0	atioglxx.dll
                                         - atioglxx.dll!0x000000058c063e	2.60 %	0.00 %	2	0	atioglxx.dll
                                           - atioglxx.dll!0x000000058cd793	2.60 %	0.00 %	2	0	atioglxx.dll
                                             - atioglxx.dll!0x00000004b42fab	2.60 %	0.00 %	2	0	atioglxx.dll
                                               - atioglxx.dll!0x00000004b6ae3b	2.60 %	0.00 %	2	0	atioglxx.dll
                                                 - atioglxx.dll!0x00000004b6852e	2.60 %	0.00 %	2	0	atioglxx.dll
                                                   - atioglxx.dll!0x00000004b6bb9c	2.60 %	0.00 %	2	0	atioglxx.dll
                                                     - atigktxx.dll!0x0000000f9b767b	2.60 %	0.00 %	2	0	atigktxx.dll
                                                       - atigktxx.dll!0x0000000f9b6663	1.30 %	0.00 %	1	0	atigktxx.dll
                                                         - atigktxx.dll!0x0000000f9ba8a2	1.30 %	0.00 %	1	0	atigktxx.dll
                                                           - atigktxx.dll!0x0000000f9ba0fc	1.30 %	0.00 %	1	0	atigktxx.dll
                                                               atigktxx.dll!0x0000000f9ba156	1.30 %	1.30 %	1	1	atigktxx.dll
                                                       - atigktxx.dll!0x0000000f9b6680	1.30 %	0.00 %	1	0	atigktxx.dll
                                                         - atigktxx.dll!0x0000000f9bd1e1	1.30 %	0.00 %	1	0	atigktxx.dll
                                                             [External Code]	1.30 %	1.30 %	1	1	7 modules
                         - FGLRenderer::Flush	7.79 %	0.00 %	6	0	gzdoom.exe
                           - FFlatVertexBuffer::RenderCurrent	6.49 %	0.00 %	5	0	gzdoom.exe
                             - FFlatVertexBuffer::RenderArray	6.49 %	0.00 %	5	0	gzdoom.exe
                               - atioglxx.dll!0x00000004d30939	3.90 %	0.00 %	3	0	atioglxx.dll
                                 - atioglxx.dll!0x00000004ef1fe4	3.90 %	0.00 %	3	0	atioglxx.dll
                                   - atioglxx.dll!0x00000004baa051	2.60 %	0.00 %	2	0	atioglxx.dll
                                     - atioglxx.dll!0x00000004c7d1e0	2.60 %	0.00 %	2	0	atioglxx.dll
                                       - atioglxx.dll!0x0000000589c634	2.60 %	0.00 %	2	0	atioglxx.dll
                                         - atioglxx.dll!0x000000058a7a2a	2.60 %	0.00 %	2	0	atioglxx.dll
                                           - atioglxx.dll!0x000000058b4f39	1.30 %	0.00 %	1	0	atioglxx.dll
                                               atioglxx.dll!0x000000058a8b7e	1.30 %	1.30 %	1	1	atioglxx.dll
                                           - atioglxx.dll!0x000000058b4fa6	1.30 %	0.00 %	1	0	atioglxx.dll
                                             - atioglxx.dll!0x000000058a8bb3	1.30 %	0.00 %	1	0	atioglxx.dll
                                               - atioglxx.dll!0x000000058a9efc	1.30 %	0.00 %	1	0	atioglxx.dll
                                                 - atioglxx.dll!0x000000057e511d	1.30 %	0.00 %	1	0	atioglxx.dll
                                                   - atioglxx.dll!0x0000000576eb1e	1.30 %	0.00 %	1	0	atioglxx.dll
                                                       atioglxx.dll!0x0000000576e912	1.30 %	1.30 %	1	1	atioglxx.dll
                                   - atioglxx.dll!0x00000004baa031	1.30 %	0.00 %	1	0	atioglxx.dll
                                     - atioglxx.dll!0x00000004c7cd6a	1.30 %	0.00 %	1	0	atioglxx.dll
                                       - atioglxx.dll!0x0000000561bf98	1.30 %	0.00 %	1	0	atioglxx.dll
                                           atioglxx.dll!0x00000005e287a3	1.30 %	1.30 %	1	1	atioglxx.dll
                               - atioglxx.dll!0x00000004d30740	2.60 %	0.00 %	2	0	atioglxx.dll
                                 - atioglxx.dll!0x0000000561b550	1.30 %	0.00 %	1	0	atioglxx.dll
                                     atioglxx.dll!0x00000004d35b03	1.30 %	1.30 %	1	1	atioglxx.dll
                                 - atioglxx.dll!0x0000000561b4ef	1.30 %	0.00 %	1	0	atioglxx.dll
                                   + atioglxx.dll!0x0000000561b1e7	1.30 %	0.00 %	1	0	atioglxx.dll
                           - atioglxx.dll!0x00000005375b2d	1.30 %	0.00 %	1	0	atioglxx.dll
                               atioglxx.dll!0x00000004bb6900	1.30 %	1.30 %	1	1	atioglxx.dll
                         - OpenGLFrameBuffer::Begin2D	1.30 %	0.00 %	1	0	gzdoom.exe
                           + FRenderState::ApplyMatrices	1.30 %	0.00 %	1	0	gzdoom.exe
                       - D_PageDrawer	27.27 %	0.00 %	21	0	gzdoom.exe
                         - DCanvas::DrawTexture	18.18 %	0.00 %	14	0	gzdoom.exe
                           - OpenGLFrameBuffer::DrawTextureParms	16.88 %	0.00 %	13	0	gzdoom.exe
                             + FGLRenderer::DrawTexture	16.88 %	0.00 %	13	0	gzdoom.exe
                             $$Thunk@00008c24	1.30 %	1.30 %	1	1	gzdoom.exe
                         - DCanvas::FillBorder	9.09 %	0.00 %	7	0	gzdoom.exe
                           - OpenGLFrameBuffer::Clear	9.09 %	0.00 %	7	0	gzdoom.exe
                             - FGLRenderer::Clear	9.09 %	0.00 %	7	0	gzdoom.exe
                               - atioglxx.dll!0x00000005375ad7	7.79 %	0.00 %	6	0	atioglxx.dll
                                 - atioglxx.dll!0x00000004bb6f98	3.90 %	0.00 %	3	0	atioglxx.dll
                                   - atioglxx.dll!0x00000005468dfa	2.60 %	0.00 %	2	0	atioglxx.dll
                                     - atioglxx.dll!0x000000054de52e	2.60 %	0.00 %	2	0	atioglxx.dll
                                       - atioglxx.dll!0x000000054dec62	1.30 %	0.00 %	1	0	atioglxx.dll
                                         - atioglxx.dll!0x000000054de07a	1.30 %	0.00 %	1	0	atioglxx.dll
                                           + atioglxx.dll!0x0000000589c634	1.30 %	0.00 %	1	0	atioglxx.dll
                                       - atioglxx.dll!0x000000054de8f4	1.30 %	0.00 %	1	0	atioglxx.dll
                                         - atioglxx.dll!0x00000005878fe3	1.30 %	0.00 %	1	0	atioglxx.dll
                                             atioglxx.dll!0x000000058a9f51	1.30 %	1.30 %	1	1	atioglxx.dll
                                     atioglxx.dll!0x00000005468f16	1.30 %	1.30 %	1	1	atioglxx.dll
                                 - atioglxx.dll!0x00000004bb6efe	3.90 %	0.00 %	3	0	atioglxx.dll
                                   - atioglxx.dll!0x000000056c0f6b	3.90 %	0.00 %	3	0	atioglxx.dll
                                     - atioglxx.dll!0x000000056c5911	3.90 %	0.00 %	3	0	atioglxx.dll
                                       - atioglxx.dll!0x000000056c1468	3.90 %	0.00 %	3	0	atioglxx.dll
                                         - atioglxx.dll!0x00000004b40769	2.60 %	0.00 %	2	0	atioglxx.dll
                                           - atioglxx.dll!0x00000004b66dcc	2.60 %	0.00 %	2	0	atioglxx.dll
                                             - atigktxx.dll!0x0000000f9b6282	1.30 %	0.00 %	1	0	atigktxx.dll
                                                 [External Code]	1.30 %	1.30 %	1	1	7 modules
                                               atigktxx.dll!0x0000000f9bcbec	1.30 %	1.30 %	1	1	atigktxx.dll
                                         - atioglxx.dll!0x00000004b40709	1.30 %	0.00 %	1	0	atioglxx.dll
                                             [External Code]	1.30 %	1.30 %	1	1	8 modules
                               - atioglxx.dll!0x00000004c3bf83	1.30 %	0.00 %	1	0	atioglxx.dll
                                   atioglxx.dll!0x00000004c4083a	1.30 %	1.30 %	1	1	atioglxx.dll
                       - M_Drawer	18.18 %	0.00 %	14	0	gzdoom.exe
                         - DListMenu::Drawer	14.29 %	0.00 %	11	0	gzdoom.exe
                           + FListMenuItemPatch::Drawer	9.09 %	0.00 %	7	0	gzdoom.exe
                           - FListMenuItemStaticPatch::Drawer	3.90 %	0.00 %	3	0	gzdoom.exe
                             - DCanvas::DrawTexture	3.90 %	0.00 %	3	0	gzdoom.exe
                               - OpenGLFrameBuffer::DrawTextureParms	3.90 %	0.00 %	3	0	gzdoom.exe
                                 - FGLRenderer::DrawTexture	3.90 %	0.00 %	3	0	gzdoom.exe
                                   - FRenderState::SetMaterial	1.30 %	0.00 %	1	0	gzdoom.exe
                                     - FMaterial::Bind	1.30 %	0.00 %	1	0	gzdoom.exe
                                       - FGLTexture::Bind	1.30 %	0.00 %	1	0	gzdoom.exe
                                           FGLTexture::CreateHwTexture	1.30 %	1.30 %	1	1	gzdoom.exe
                                   - gl_SetRenderStyle	1.30 %	0.00 %	1	0	gzdoom.exe
                                       atioglxx.dll!0x00000005375ce0	1.30 %	1.30 %	1	1	atioglxx.dll
                                   - FFlatVertexBuffer::RenderCurrent	1.30 %	0.00 %	1	0	gzdoom.exe
                                     + FFlatVertexBuffer::RenderArray	1.30 %	0.00 %	1	0	gzdoom.exe
                           - DMenu::Drawer	1.30 %	0.00 %	1	0	gzdoom.exe
                             - DCanvas::DrawTexture	1.30 %	0.00 %	1	0	gzdoom.exe
                               - OpenGLFrameBuffer::DrawTextureParms	1.30 %	0.00 %	1	0	gzdoom.exe
                                 - FGLRenderer::DrawTexture	1.30 %	0.00 %	1	0	gzdoom.exe
                                   - FFlatVertexBuffer::RenderCurrent	1.30 %	0.00 %	1	0	gzdoom.exe
                                     - FFlatVertexBuffer::RenderArray	1.30 %	0.00 %	1	0	gzdoom.exe
                                       - atioglxx.dll!0x00000004ef1fe4	1.30 %	0.00 %	1	0	atioglxx.dll
                                         - atioglxx.dll!0x00000004baa051	1.30 %	0.00 %	1	0	atioglxx.dll
                                           - atioglxx.dll!0x00000004c7d1e0	1.30 %	0.00 %	1	0	atioglxx.dll
                                             - atioglxx.dll!0x0000000589c634	1.30 %	0.00 %	1	0	atioglxx.dll
                                               - atioglxx.dll!0x000000058a7a46	1.30 %	0.00 %	1	0	atioglxx.dll
                                                 - atioglxx.dll!0x000000058ad7fa	1.30 %	0.00 %	1	0	atioglxx.dll
                                                   - atioglxx.dll!0x000000058add19	1.30 %	0.00 %	1	0	atioglxx.dll
                                                     - atioglxx.dll!0x00000005773b0b	1.30 %	0.00 %	1	0	atioglxx.dll
                                                         atioglxx.dll!0x00000005774002	1.30 %	1.30 %	1	1	atioglxx.dll
                         - OpenGLFrameBuffer::Dim	2.60 %	0.00 %	2	0	gzdoom.exe
                           - DCanvas::Dim	2.60 %	0.00 %	2	0	gzdoom.exe
                             - OpenGLFrameBuffer::Dim	2.60 %	0.00 %	2	0	gzdoom.exe
                               + FGLRenderer::Dim	2.60 %	0.00 %	2	0	gzdoom.exe
                           TArray<FListMenuItem *,FListMenuItem *>::operator[]	1.30 %	1.30 %	1	1	gzdoom.exe
                       - OpenGLFrameBuffer::Begin2D	9.09 %	0.00 %	7	0	gzdoom.exe
                         - FRenderState::ApplyMatrices	5.19 %	0.00 %	4	0	gzdoom.exe
                           - FShaderManager::ApplyMatrices	5.19 %	0.00 %	4	0	gzdoom.exe
                             - FShader::ApplyMatrices	5.19 %	0.00 %	4	0	gzdoom.exe
                               - FShader::Bind	5.19 %	0.00 %	4	0	gzdoom.exe
                                 - FShaderManager::SetActiveShader	5.19 %	0.00 %	4	0	gzdoom.exe
                                   - atioglxx.dll!0x00000004be02b0	3.90 %	0.00 %	3	0	atioglxx.dll
                                     - atioglxx.dll!0x000000055cf25c	3.90 %	0.00 %	3	0	atioglxx.dll
                                       - atioglxx.dll!0x000000055f8784	3.90 %	0.00 %	3	0	atioglxx.dll
                                         - atioglxx.dll!0x0000000561d9e9	3.90 %	0.00 %	3	0	atioglxx.dll
                                             atioglxx.dll!0x0000000561d29b	2.60 %	2.60 %	2	2	atioglxx.dll
                                             atioglxx.dll!0x0000000561d2be	1.30 %	1.30 %	1	1	atioglxx.dll
                                   - atioglxx.dll!0x00000004be027d	1.30 %	0.00 %	1	0	atioglxx.dll
                                       atioglxx.dll!0x00000005492a14	1.30 %	1.30 %	1	1	atioglxx.dll
                         - FGLRenderer::Begin2D	3.90 %	0.00 %	3	0	gzdoom.exe
                           - FGLRenderBuffers::Setup	2.60 %	0.00 %	2	0	gzdoom.exe
                             - atioglxx.dll!0x00000005378f8b	2.60 %	0.00 %	2	0	atioglxx.dll
                               - atioglxx.dll!0x00000004bc5f4b	2.60 %	0.00 %	2	0	atioglxx.dll
                                 - atioglxx.dll!0x0000000546ae1d	2.60 %	0.00 %	2	0	atioglxx.dll
                                   - atioglxx.dll!0x00000005469ee0	2.60 %	0.00 %	2	0	atioglxx.dll
                                     - atioglxx.dll!0x00000004d33c48	2.60 %	0.00 %	2	0	atioglxx.dll
                                       - atioglxx.dll!0x00000004c837ee	1.30 %	0.00 %	1	0	atioglxx.dll
                                         + atioglxx.dll!0x00000004c81a1b	1.30 %	0.00 %	1	0	atioglxx.dll
                                         atioglxx.dll!0x00000004c835ce	1.30 %	1.30 %	1	1	atioglxx.dll
                           - FGLRenderBuffers::BindHudFB	1.30 %	0.00 %	1	0	gzdoom.exe
                             - atioglxx.dll!0x00000005378f8b	1.30 %	0.00 %	1	0	atioglxx.dll
                               + atioglxx.dll!0x00000004bc5f4b	1.30 %	0.00 %	1	0	atioglxx.dll
                     - TryRunTics	5.19 %	0.00 %	4	0	gzdoom.exe
                       - NetUpdate	3.90 %	0.00 %	3	0	gzdoom.exe
                         - I_StartTic	3.90 %	0.00 %	3	0	gzdoom.exe
                           - I_CheckNativeMouse	1.30 %	0.00 %	1	0	gzdoom.exe
                               [External Code]	1.30 %	1.30 %	1	1	8 modules
                           - I_GetEvent	1.30 %	0.00 %	1	0	gzdoom.exe
                             - [External Code]	1.30 %	0.00 %	1	0	3 modules
                               - WndProc	1.30 %	0.00 %	1	0	gzdoom.exe
                                   [External Code]	1.30 %	1.30 %	1	1	10 modules
                             [External Code]	1.30 %	1.30 %	1	1	user32.dll
                       - G_Ticker	1.30 %	0.00 %	1	0	gzdoom.exe
                           cycle_t::Reset	1.30 %	1.30 %	1	1	gzdoom.exe
And here's also an update:
In void FGLRenderer::Flush()
removing the "if (FGLRenderBuffers::IsEnabled())" and Always executing the interior code from that if fixed the camera iuse (so it's not anymore black for intel neither amd), it also fixed the driver crash in fullscreen (and it even fixed the problem that froze the background when changing the resolution)...
but, it's not a perfect solution, it's a bit buggy with intel ( it doesn't show the doom 2 title background image, but after a time, it shows The background credits and then it shows the doom 2 logo background)

OFF: I synched the gzdoom GitHub with visual studio, This way I hope it's going to be Always the latest version :D

EDIT: looking better to the code, I saw that when changing the resolution the game doesn't crash neither freeze the background, but it gets stucked in the FShader::Load code for about 15 SECONDS!!!, after that time pass the cpu usage drops from "100%" (single core usage) to 0% and the game goes back and the screen is now updated.

EDIT2: Actuall the same happens in fullscreen mode ( I tested with two monitors to avoid some kind of crash).
Image
this is the initial run from gzdoom in fullscreen mode, first, it takes almost 20 seconds under the same function, and when it finish loading the FShader, the cpu drop goes to zero, but I can only see a thing on screen when the last small rise from the cpu shows, then I can actually use the game and see the stuff...
Here's the cpu/ram usage

EDIT3: More numbers:
on void FShaderManager::CompileShaders():
each FShader *shc = Compile(defaultshaders.ShaderName, defaultshaders.gettexelfunc, true); call takes +- 860ms to run
inside of FShader *FShaderManager::Compile (const char *ShaderName, const char *ShaderPath, bool usediscard) , the function that requires more cpu time is the function below
if (!shader->Load(ShaderName, "shaders/glsl/main.vp", "shaders/glsl/main.fp", ShaderPath, defines.GetChars())) +- 819ms to run
and inside of that if we found FShader::Load.
The only heavy functions inside of it were
glCompileShader(hFragProg); +- 7ms
glLinkProgram(hShader); +- 159ms
glUseProgram(hShader); +- 727ms

I belive the code somehow is working just fine, but it takes so many time to see something, but since you hear the sounds and can toy with the menu, you feel that the game crashed...

Re: SetCamera broken wih commit aeb7df09de843542c3da7c889e5cc18540e59f87

Posted: Sun Jul 31, 2016 15:35
by dpJudas
Hmm, that's very strange. It should be always executing that code unless you explicitly disabled it (via gl_renderbuffers cvar) or it thinks you have no GLSL shader support at all (gl.glslversion = 0).

Could you try see what happens if you run it with the latest viewport changes I did? (https://github.com/dpjudas/zdoom/tree/viewport_fix). Just to rule out isn't that bug that messes up the rendering for you.
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