SDL/X11 Vulkan init #10413

hrydgard · 2017-12-15T15:05:20Z

This isn't too pretty, just hacking and slashing until I got it going on my laptop. Window resize not yet working. Feedback appreciated :)

Also it seems that FIFO vsync limiting is not working, it draws like crazy. So does GL on the same laptop though, maybe some issue with the screen being managed by the Intel integrated GPU and rendering happening on the nVidia.

Will fix #9031 .

davidbepo · 2017-12-16T11:45:06Z

why not use the sdl support?
that would also support wayland

unknownbrackets · 2017-12-17T02:40:57Z

CMakeLists.txt

+	set(ANDROID ON)
+endif()
+
+# Of the CMake platforms, we only support Vulkan on Android and Windows.


Comment is now out of date.

I suppose we could support it on BSD too, right? Seems like we could just do if(NOT APPLE)?

-[Unknown]

Yeah, probably. Would be good to have someone to test it ... not running BSD on any of my boxes.

unknownbrackets · 2017-12-17T02:43:07Z

Common/Vulkan/VulkanContext.h

@@ -20,8 +20,10 @@
 #elif defined(__ANDROID__)  // _WIN32
 #include <android/native_window_jni.h>
 #define VK_USE_PLATFORM_ANDROID_KHR
+#elif defined(VK_USE_PLATFORM_XLIB_KHR)
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>


Is it at all possible for us to use typedefs to avoid these headers in VulkanContext.h? Even if xcb_window_t has to be a pointer that's simply new/deleted?

Just trying to avoid more unexpected issues with those headers...

-[Unknown]

Yeah, that's probably a good idea..

unknownbrackets · 2017-12-17T02:46:52Z

ext/native/base/PCMain.cpp

-			lastT = t;
-		}
-#endif
+		graphicsContext->SwapBuffers();


Does this mean we no longer allow unthrottle properly, or does it work now even without skipping the swapping above?

-[Unknown]

This unthrottle was bad because it ignored control mapping and sat here as a strange hack. If we want that kind of unthrottle we should do it properly, until then we can use frameskip unthrottle on Linux. Though, I should of course make sure that works....

unknownbrackets · 2017-12-17T03:01:26Z

UI/GameSettingsScreen.cpp

@@ -191,7 +191,7 @@ void GameSettingsScreen::CreateViews() {
 	}
 #endif
 	bool vulkanAvailable = false;
-#if PPSSPP_PLATFORM(WINDOWS) || PPSSPP_PLATFORM(ANDROID)
+#ifndef IOS


Also here?

ppsspp/Core/Config.cpp

Line 486 in 7c03d69

if (VulkanMayBeAvailable()) {

-[Unknown]

unknownbrackets · 2017-12-17T03:07:49Z

CMakeLists.txt

-if(LINUX)
-	message("Using direct to display extension...")
+if(LINUX AND VULKAN)
+	message("Using XCB extension...")


Err?

-[Unknown]

This stuff went through a few iterations very quickly, oops :) (had strange issues so I tried switching to the xcb stuff but then found out what the problem with the x11 stuff was and fixed that and went back...).

I'll clean things up soon.

hrydgard · 2017-12-17T10:34:20Z

@davidbepo because I installed the latest ubuntu and the provided version of SDL did not yet support it, so I don't want to require it yet.

mrcmunir · 2017-12-18T11:29:33Z

WOW nice advance with mesa3d vulkan intel driver only work the UI this detected 1.0.57 version and these extensions

But when load any game said DrawEngineVulkan.cpp:297: INIT : Creating null texture and report segment fault

Also add vulkaninfo for more information
vulkaninfo.txt

I debuging too from gdb but not much information crash from libvulkan_intel.so

Thread 1 "PPSSPPSDL" received signal SIGSEGV, Segmentation fault.
0x00007fffdd80045d in ?? () from /usr/lib/libvulkan_intel.so

hrydgard · 2017-12-18T12:02:57Z

"Creating null texture" is normal, we create a small black texture to use as a replacement if texture creation fails or similar. Our code passes Vulkan validation fine so the crash is likely some kind of driver bug that should be reported to Intel..

Is that everything you could get from the call stack in gdb? (type bt to get the full stack if available)

mrcmunir · 2017-12-18T14:14:58Z

@hrydgard Sure with bt returned

#0  0x00007fffdd80045d in ?? () from /usr/lib/libvulkan_intel.so
#1  0x00007fffdd821094 in ?? () from /usr/lib/libvulkan_intel.so
#2  0x00007fffdd8228b5 in ?? () from /usr/lib/libvulkan_intel.so
#3  0x00007fffdd94706c in ?? () from /usr/lib/libvulkan_intel.so
#4  0x00007fffdd8054bc in ?? () from /usr/lib/libvulkan_intel.so
#5  0x00007fffdd823ede in ?? () from /usr/lib/libvulkan_intel.so
#6  0x00007fffdd825c44 in ?? () from /usr/lib/libvulkan_intel.so
#7  0x00005555559387ec in TransitionImageLayout2(VkCommandBuffer_T*, VkImage_T*, int, int, unsigned int, VkImageLayout, VkImageLayout, unsigned int, unsigned int, unsigned int, unsigned int) ()
#8  0x000055555593aa7d in VulkanTexture::CreateDirect(VkCommandBuffer_T*, int, int, int, VkFormat, VkImageLayout, unsigned int, VkComponentMapping const*) ()
#9  0x000055555590c123 in DrawEngineVulkan::BeginFrame() ()
#10 0x00005555558751ab in GPU_Vulkan::BeginHostFrame() ()
#11 0x000055555564bea9 in EmuScreen::render() ()
#12 0x0000555555993e9d in ScreenManager::render() ()
#13 0x000055555562ae62 in NativeRender(GraphicsContext*) ()
#14 0x0000555555955cf3 in main ()

hrydgard · 2017-12-18T14:22:00Z

Thanks. Very likely a driver bug, we don't do anything strange there..

mrcmunir · 2017-12-18T19:10:04Z

Compiled mesa3d from source returned more extra info is stoped by anv :-(

Thread 1 "PPSSPPSDL" received signal SIGSEGV, Segmentation fault.
anv_reloc_list_add (list=list@entry=0x555556d6da18, alloc=<optimized out>, 
    offset=36900, target_bo=0x0, delta=0) at vulkan/anv_batch_chain.c:159
159	   entry->target_handle = target_bo->gem_handle;

https://cgit.freedesktop.org/mesa/mesa/tree/src/intel/vulkan/anv_batch_chain.c?id=3be382cd7cb637f463a4618dc19d87d66a644b0e#n159

Edit : Fully stack with bt

(gdb) bt
#0  anv_reloc_list_add (list=list@entry=0x555556d62338, alloc=<optimized out>, 
    offset=16420, target_bo=0x0, delta=0) at vulkan/anv_batch_chain.c:159
#1  0x00007fffddaf9f6c in blorp_surface_reloc (batch=0x7fffffffc860, delta=0, 
    ss_offset=<optimized out>, address=...) at vulkan/genX_blorp_exec.c:60
#2  blorp_emit_surface_state (batch=batch@entry=0x7fffffffc860, 
    surface=surface@entry=0x7fffffffc5c8, state=state@entry=0x7fffdd647020, 
    state_offset=16416, is_render_target=true, 
    color_write_disables=0x7fffffffc73c) at ./blorp/blorp_genX_exec.h:1286
#3  0x00007fffddafcbd9 in blorp_emit_surface_states (
    batch=batch@entry=0x7fffffffc860, params=params@entry=0x7fffffffc170)
    at ./blorp/blorp_genX_exec.h:1368
#4  0x00007fffddb0dda3 in blorp_exec (params=0x7fffffffc170, 
    batch=0x7fffffffc860) at ./blorp/blorp_genX_exec.h:1619
#5  gen7_blorp_exec (batch=0x7fffffffc860, params=0x7fffffffc170)
    at vulkan/genX_blorp_exec.c:219
#6  0x00007fffdddf288a in blorp_ccs_resolve (batch=batch@entry=0x7fffffffc860, 
    surf=surf@entry=0x7fffffffc880, level=level@entry=0, 
    start_layer=start_layer@entry=0, num_layers=num_layers@entry=1, 
    format=ISL_FORMAT_R8G8B8A8_UNORM, 
    resolve_op=BLORP_FAST_CLEAR_OP_RESOLVE_FULL) at blorp/blorp_clear.c:780
#7  0x00007fffddad0d6a in anv_ccs_resolve (
    cmd_buffer=cmd_buffer@entry=0x555556d62280, 
    image=image@entry=0x555557c1b4e0, 
---Type <return> to continue, or q <return> to quit---
    aspect=aspect@entry=VK_IMAGE_ASPECT_COLOR_BIT, level=level@entry=0 '\000', 
    start_layer=start_layer@entry=0, layer_count=layer_count@entry=1, 
    op=BLORP_FAST_CLEAR_OP_RESOLVE_FULL) at vulkan/anv_blorp.c:1712
#8  0x00007fffddb128dd in transition_color_buffer (
    cmd_buffer=cmd_buffer@entry=0x555556d62280, 
    image=image@entry=0x555557c1b4e0, 
    aspect=aspect@entry=VK_IMAGE_ASPECT_COLOR_BIT, base_level=0, 
    level_count=1, base_layer=0, layer_count=1, 
    initial_layout=VK_IMAGE_LAYOUT_UNDEFINED, 
    final_layout=VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL)
    at vulkan/genX_cmd_buffer.c:763
#9  0x00007fffddb17a14 in transition_color_buffer (
    final_layout=<optimized out>, initial_layout=<optimized out>, 
    layer_count=<optimized out>, base_layer=<optimized out>, 
    level_count=<optimized out>, base_level=<optimized out>, 
    aspect=VK_IMAGE_ASPECT_COLOR_BIT, image=0x555557c1b4e0, 
    cmd_buffer=0x555556d62280) at vulkan/genX_cmd_buffer.c:1353
#10 gen7_CmdPipelineBarrier (commandBuffer=0x555556d62280, 
    srcStageMask=<optimized out>, destStageMask=<optimized out>, 
    byRegion=<optimized out>, memoryBarrierCount=<optimized out>, 
    pMemoryBarriers=<optimized out>, bufferMemoryBarrierCount=0, 
    pBufferMemoryBarriers=0x0, imageMemoryBarrierCount=1, 
    pImageMemoryBarriers=0x7fffffffcdd0) at vulkan/genX_cmd_buffer.c:1353
---Type <return> to continue, or q <return> to quit---
#11 0x00005555559f1391 in TransitionImageLayout2(VkCommandBuffer_T*, VkImage_T*, int, int, unsigned int, VkImageLayout, VkImageLayout, unsigned int, unsigned int, unsigned int, unsigned int) ()
#12 0x00005555559f686e in VulkanTexture::CreateDirect(VkCommandBuffer_T*, int, int, int, VkFormat, VkImageLayout, unsigned int, VkComponentMapping const*) ()
#13 0x00005555559c00f8 in DrawEngineVulkan::BeginFrame() ()
#14 0x00005555558ebb76 in GPU_Vulkan::BeginHostFrame() ()
#15 0x000055555563d677 in EmuScreen::render() ()
#16 0x0000555555a74b92 in ScreenManager::render() ()
#17 0x0000555555624d14 in NativeRender(GraphicsContext*) ()
#18 0x000055555561c952 in main ()
´´´

hrydgard · 2017-12-20T10:41:18Z

I went ahead and created a bug report upstream:

https://bugs.freedesktop.org/show_bug.cgi?id=104346

Please add any missing information that might be relevant, and I suggest you subscribe to that bug in case there are updates.

…age before binding memory to it. Should help the issue uncovered in #10413

hrydgard · 2017-12-20T15:42:49Z

@mrcmunir Alright, turns out this was likely my fault :) I'm gonna push a fix to this branch shortly, stay tuned (through rebasing it on master, where I pushed a fix, so you'll need to reset --hard after fetching this branch again). Thank you so much for the good stack traces.

hrydgard · 2017-12-20T16:18:42Z

OK, rebase done. Please re-test @mrcmunir :)

mrcmunir · 2017-12-20T16:50:59Z

@hrydgard Woah no crash anymore

Testing some game with 5x resolution with vulkan and no crash detected

In Tales of eternia detected some colours are wrong but fully playable Thanks you.

davidbepo · 2017-12-20T17:25:32Z

@mrcmunir thanks for the testing, can you share performance improvements number please

mrcmunir · 2017-12-20T18:11:50Z

@davidbepo I'm only tested with Gen7 (HD4000 mobile) With Big resolution than 4-5x will be unstable fps than OpenGL backend in some games i detected some slowdown like 30fps to 20fps for some seconds or will be little helped with autoframeskip 1

In the next days will try it on a skylake HD 520 GPU.is another notebook that I have and compared too the perfomance.

hrydgard · 2017-12-20T19:35:12Z

That's curious with the wrong colors, probably one of the 16-bit texture formats is backwards, so now I might have two external bug reports to file heh. Thanks for testing!

Filed:

https://bugs.freedesktop.org/show_bug.cgi?id=104355
KhronosGroup/Vulkan-LoaderAndValidationLayers#2289

hrydgard · 2017-12-20T21:25:19Z

Turns out that the wrong colors are a shortcoming of that generation of Intel GPUs. The drivers could work around it but they don't, yet. https://bugs.freedesktop.org/show_bug.cgi?id=104355

Might do a workaround in PPSSPP someday but it won't be a high priority.

mrcmunir · 2017-12-20T22:46:51Z

@hrydgard oh I see I Suspected it would be something like that, also does not support stencil texture yet and that's why it is also limited to Opengl 4.2 core by default due limitations changes in SIMD work compared with later intel generations and they needed rewrite some parts for some functions in Gen7.

Anyway thanks to you at least fixed to the possibilities of the HW driver :)

Let's see if I can try it on the other laptop that has GPU skylake
I'm going to compile the latest mesa3d + ppsspp vulkan changes so it will take a few days in other laptop.

…1. Unfortunately, it's broken.

hrydgard · 2017-12-21T10:04:20Z

Rebased again. Will merge once it's building everywhere, and leave the final polish (resize, etc) for later.

mrcmunir · 2017-12-21T12:40:46Z

Well testing under GPU skylake running fine and the perfomance running about ~3-6fps avg faster than OpenGL in the same conditions limited by gpu i.e in the map final fantasy crisis core with 9x resolution with vulkan running 24-26fps when OpenGL running about 20fps.

Also the colours confirmed tale of eternia working in that hw without problem so is confirmed limitation for now in gen7 .

no detected any new crash in these games are tested
also tested with latest rebase changes 9007abd no detected news errors :)

hrydgard · 2017-12-21T12:48:23Z

That's good news, thanks again for testing.

Just for fun I tried to install mesa vulkan drivers on my laptop with nvidia, in order to have a choice to run on the on-board Intel. Unfortunately with both drivers installed it crashes somewhere in X11 when trying to create the surface, so I'm stuck with nVidia for now.

neuromancer · 2017-12-21T15:34:59Z

I just compiled and tested PPSSPP from the last git revision and it fails to start in NVIDIA (issue #10424). Maybe it is related with this pull request?

davidbepo · 2017-12-22T20:24:37Z

just tested on linux, it works fine and there is a performance boost from 1600%/60fps to 2000%/80fps
on kingdom hearts bbs on hd 5500 👍

valpackett · 2017-12-26T00:29:22Z

@davidbepo @unknownbrackets re: Wayland and BSD: #10449

hrydgard force-pushed the x11-vulkan-init branch from 1e0aea9 to 4d6fa41 Compare December 15, 2017 15:59

hrydgard mentioned this pull request Dec 15, 2017

Missing Vulkan support on Linux #9031

Closed

hrydgard added this to the v1.6.0 milestone Dec 15, 2017

hrydgard added Platform-specific (Linux/POSIX) Vulkan labels Dec 15, 2017

unknownbrackets reviewed Dec 17, 2017

View reviewed changes

hrydgard added a commit that referenced this pull request Dec 20, 2017

Vulkan: Fix bug where we'd do the initial layout transition for an im…

b0528f3

…age before binding memory to it. Should help the issue uncovered in #10413

hrydgard force-pushed the x11-vulkan-init branch from 4d6fa41 to 8133fa1 Compare December 20, 2017 16:18

hrydgard added 4 commits December 21, 2017 10:48

WIP vulkan on linux stuff

ea387b2

Cleanups in PCMain.cpp

6d6ad3e

Statically link a vulkan loader on Linux. Use to to init vulkan on X1…

7f758d5

…1. Unfortunately, it's broken.

Get Vulkan going on Linux

9007abd

hrydgard force-pushed the x11-vulkan-init branch from 8133fa1 to 9007abd Compare December 21, 2017 10:03

Build Vulkan on all platforms, won't be used if not supported.

f73ec46

hrydgard merged commit 99f8c19 into master Dec 21, 2017

hrydgard deleted the x11-vulkan-init branch December 21, 2017 13:52

unknownbrackets mentioned this pull request Apr 22, 2018

Update README.md for 1.6 #10954

Merged

peterwillcn mentioned this pull request Nov 26, 2021

Ppsspp: Could NOT find X11 (missing: X11_X11_INCLUDE_PATH X11_X11_LIB) EmuELEC/EmuELEC#771

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SDL/X11 Vulkan init #10413

SDL/X11 Vulkan init #10413

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SDL/X11 Vulkan init #10413

SDL/X11 Vulkan init #10413

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