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3.5-alpha17 (15th January 2019)

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@meag meag released this 15 Jan 11:40
· 84 commits to meag/renderer since this release
3.5-alpha17
20a9a69

READ FIRST

Major rendering engine update, expect lots of bugs, DO NOT USE for important games. It has had very limited testing and isn't ready yet.

Source-code if you want to build on other systems is available here, process to build is:

git clone https://github.com/meag/ezquake-source new-renderer
cd new-renderer
git checkout meag/renderer

make clean && CLASSIC_OPENGL_ONLY=1 make -j3
make clean && MODERN_OPENGL_ONLY=1 make -j3

Official changelog and individual 3.5 version changelogs moved to here

Lots of changes to classic in this version - started adding GLSL rendering to classic renderer for instance, it also uses texture arrays for lightmaps. Might have more issues on particular cards or configs than usual.

Changes/fixes in latest release

  • includes all changes up to and including v3.1
  • classic renderer can now use glsl (currently world drawing, sky, turbsurfaces, aliasmodels, some hud - still some aspects of rendering to complete). Can be toggled on/off with /gl_program_xxx
  • classic renderer uses texture arrays for lightmaps, if available
  • /r_lightmap_lateupload added, uploads changes to lightmaps as they are first bound in the scene (potential performance boost for those who had better performance with -nomtex command-line parameter)
  • /r_lightmap_packbytexture added, naive way to reduce texture switches when rendering world by changing order surface lightmaps are added to lightmap atlases
  • fix hunk-leak when loading or starting a new single player game
  • added hud elements for centerprint & qtv_buffer
  • added /r_drawhud option, for timedemo testing (also useful for level screenshots)
  • don't check for updated lightmaps on non-world brushmodels
  • bugfix: gfx.wad console font loaded on startup again (previously had to toggle 24bit and back again... reported by bgnr)
  • bugfix: potential bug when binding multiple textures (hopefully this was the cause of bps seeing lightmaps on his ammo boxes instead of luma textures)
  • bugfix: co-ordinates for solid colour correctly set when sprite array is large size (reported by ciscon)
  • bugfix: /gl_outline_width was not being applied in modern/glsl-only renderer (reported by ciscon)
  • bugfix: ezQuake would quit with message "too many graphics buffers allocated" after multiple vid_restarts fixed (reported by dopeskillz)
  • bugfix: /scr_new_hud_clear has been removed, area outside viewarea should always be cleared now (reported by drzel)
  • bugfix: /gl_simpleitems 0 & /r_drawflat 1 caused ammoboxes etc to disappear
  • bugfix: toggling /r_drawflat led to fps drop
  • bugfix: potential NULL reference error when deleting VBO buffer
  • bugfix: aliasmodel powerup shell didn't match underlying models lerp values (classic)
  • bugfix: /cl_bufferwait has been removed, was either low-latency & very smooth or very jerky movement (reported by mushi)
  • renamed /scr_printspeed to /scr_centerspeed
  • removed functionality: turb ripple (was demos only)
  • removed functionality: scene blur
  • removed /r_glstats, values now in hud element framestats

Todo list for next build

  • ciscon: r_drawflat bugged on modern
  • ciscon: classic rendering bugged on linux (nvidia drivers & mesa) (same errors, using multi-renderer build)
  • programs should compile ahead of being used, otherwise stuttery performance the first time a program is used in a scene
  • /gl_program_world and lightmaps in texture array is broken (need to make gl_program_world dictate if texture arrays are used, require vid_restart?)
  • cfg_load when connected to server and r_dynamic 1 can lead lightmaps to be incorrect
  • /vid_framebuffer & /vid_gamma_correction is double-applying the gamma correction
  • ~~~confy: show speed is broken, show speed2 works but takes over whole screen (cannot replicate, waiting on config)~~~ - was config issue, hud_speed_style 1 to get rid of the green background... but what is opacity vs item_opacity cvars? couldn't get an difference in 3.1 either
  • during vid_restart the buffers can be recreated in a different order which causes problems

Todo list, reported longer-term issues

  • bgnr: fov distortion on vid_restart
  • bgnr: gamma doesn't work, reports "gamma size broken, gamma wont work" (likely to be linux specific)
  • bps: "bug on alpha15 where it glows on the ground on couple of places, like the glow from a quad, currently only on ztndm3" - have downloaded the .mvd and seen demo showing example, happened once on watching demo bug cannot reliably replicate - could have been the GL_BindTextures() bug?
  • dev: screen flickering. (... cannot replicate)
    • initially thought to be only on linux, but seems it happens on windows too after long uptime.
    • (dev reports that mur has same issue)
    • (we now think this is a hud-rendering issue but haven't got to the bottom of it)
  • dev: crash when issuing /vid_restart while fast-forwarding a demo. Error message looks like it might be freeing() memory twice. (command was gl_externalTextures_world 1; gl_max_size 32768; gl_texturemode GL_LINEAR_MIPMAP_LINEAR; gl_loadlitfiles 1; gl_outline 1; vid_restart)
  • lordlame: complaints about performance on radeon 6990 (reports alpha3 runs better)
  • core profile rendering broken on AMD (narrowed it down to draw_world)
  • stop switching programs when drawing different hud elements (especially circle crap)
  • /r_lerpframes & md3 models... double-check

Changes in upcoming version

  • ...

Fixed in 3.5-menus

  • dirtbox: rendering of server browser's server popup window was broken (was connected to server and running server browser and having server-browser window open)
    • full console was drawn in background then painted over before server-browser
    • spaces were still drawn when drawing red text, rather than skipped as normal
    • dialog boxes were rendered as individual blocks rather than repeating tiles (very old issue)
  • meag: crosshairimage is set to an image that is not available, will not load (memory in pool not allocated)
  • meag: proportional font loading is broken (uses new spacing for spaces but still uses fixed-width font)
  • meag: server browser threading model significantly changed
  • meag: user interface functionality significantly changed

Old bugs

  • timon: coronas of rockets in water are visible when out of the water
  • meag: cheap shadows are affected by rotation of item (most noticeable on gibs)

Bugs reported, not being actioned

  • raket: http://upload.foppa.dk/files/ez35love.mkv, rendering to one x server and capturing from another on nvidia. Works on 3.1, 3.5-classic crashes immediately, 3.5-glsl gives the video attached. also breaks cs:go. no bug if ffmpeg capturing setup isn't enabled, raket suspects bug in linux nvidia drivers
  • raket: requested change: detect compositor on x-windows

Hopefully fixed (waiting for feedback)

  • bgnr: text font appears as solid colour (reports that running without config works fine, has supplied config - cannot replicate)
  • bps: crash on last seconds of dm2 (hoping this was the particle-expiring issue fixed in alpha6)
  • dimman: crash when running timedemo demo1 (...cannot replicate, believe might be same as bps)
  • ciscon: on mesa, /vid_gl_core_profile to get > 3.0 on intel card supporting 4.5 no longer works
  • dirtbox: related out of memory error when trying to connect to server (can't get this to happen, but fixed some memory leaks and memory usage should now be much lower)
  • lordlame: vid_renderer 0 > 1 > 0 loses performance increase (performance stays at '1' levels) - AMD system
  • up2: incorrect luma textures used on start.bsp (fullbright player skins layers used instead of brush model luma textures) (... could not replicate but alpha16 fixed bug in GL_BindTextures() call)

Struggling to replicate

  • blah/ciscon: increased memory usage over time (... cannot replicate)
  • nigve: 'q' in tracker isn't blue anymore (can't replicate)
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