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336 commits

Author SHA1 Message Date
Clownacy
732d3bbc5c Split software audio mixer to its own file 
This will be shared between the SDL2 and miniaudio backends,
eliminating all that digusting duplicate code.
 2020-03-31 12:14:20 +01:00
Clownacy
4e58457e1d Make miniaudio backend use native sample rate 
This avoids the need for miniaudio to resample the mixer's output.
 2020-03-31 10:20:20 +01:00
Gabriel Ravier
fb353fbc7e Backends/Rendering/SDLTexture: Solve -Wnarrowing warning 
Signed-off-by: Gabriel Ravier <gabravier@gmail.com>
 2020-03-18 11:54:46 +01:00
Clownacy
dd04977f29 Update miniaudio to v0.10.1 
This newer version supports marking all of its declarations as
static, avoiding the conflict between the miniaudio audio backend,
and the copy of miniaudio embedded in clownaudio in the enhanced
branch.
 2020-03-17 13:25:41 +00:00
Clownacy
9af25f7c67 Hopefully fixed miniaudio backend on Windows 
Stupid BOOL type
 2020-03-04 21:02:17 +00:00
Clownacy
af24d010a5 Clean-up miniaudio backend a little 
Really need to figure out the best way to abstract-away the software
mixer...
 2020-02-29 18:19:06 +00:00
Clownacy
8ec8a8d990 Added unfinished miniaudio audio backend 
Currently only works with CMake
 2020-02-29 18:18:59 +00:00
Gabriel Ravier
b238bcee03 Remove random lines mistakenly added by merge 2020-02-14 08:27:07 +01:00
Gabriel Ravier
5d61641415 Added ATTRIBUTE_HOT to Backend_ColourFill 
Signed-off-by: Gabriel Ravier <gabravier@gmail.com>
 2020-02-13 19:55:39 +01:00
Gabriel Ravier
f43bd4f876 Removed bad omp (it doesn't actually improve anything, i did my measurements wrong) 2020-02-13 19:55:39 +01:00
Gabriel Ravier
2adfef0035 Got Backend_Blit to go from 17% CPU usage to 11% : 
- used __builtin_expect to get a 8.5% performance improvement
- used #pragma omp for to get a 30% performance improvement

Signed-off-by: Gabriel Ravier <gabravier@gmail.com>
 2020-02-13 19:55:39 +01:00
Gabriel Ravier
e8ec6a8ffb Optimize Backend_Blit a bit 2020-02-13 19:55:39 +01:00
Gabriel Ravier
65db12baaa Started trying to optimize MakePixelWaveData 2020-02-13 19:55:39 +01:00
Clownacy
a767c16d83 Un-un-const a few things 2020-02-09 18:55:41 +00:00
Clownacy
f82a53d336 Prevent errors encountered by MSVC 2020-02-09 18:47:50 +00:00
Clownacy
d4004fe99a Store glyph pixels as chars, not floats 
Smaller memory footprint, and probably-insignificant performance
impact.
 2020-02-09 13:56:45 +00:00
Clownacy
bb11cd567d Software renderer cleanup 2020-02-09 13:44:02 +00:00
Clownacy
60d3cc2ed6 Update cute_spritebatch.h 2020-02-09 12:40:35 +00:00
Clownacy
8edca4fb2e Style tweak 2020-02-09 12:35:38 +00:00
Clownacy
59a8c2617f Tweak some variable naming 
The enhanced branch calls them the 'internal *screen* width/height',
which I think is more appropriate.
 2020-02-05 15:52:43 +00:00
Clownacy
d9e7ebac38 Correct a typo 2020-02-05 15:47:26 +00:00
Clownacy
2af6a043ef Clean-up the OpenGL renderers a little 2020-02-04 16:35:42 +00:00
Clownacy
1140ab0916 Clean-up renderer backend initialisation 2020-02-04 15:51:19 +00:00
Clownacy
ba6d711d3a Tick cute_spritebatch once per frame 
...As opposed to once per draw call.

This change was made because multiple draw calls can be made per
frame, or a only a handful of draw calls may be made per minute.

Since draw calls are an inconsistent metric, I just switched to
frames instead.
 2020-02-04 14:57:06 +00:00
Clownacy
2e5e1994c2 Enable debug console prints in non-debug builds 2020-02-03 16:44:52 +00:00
Clownacy
53c0e8470f Add an optimisation to the OpenGL renderers 
Since we track the currently-bound "source texture", we don't need
to poll the OpenGL driver for the same info.
 2020-02-03 15:53:59 +00:00
Clownacy
dfacd62662 Fix text-flickering in the OpenGL renderers 
This would occur in CSE2E's options menu.

It was caused by cute_spritebatch destroying a texture atlas that
was being used by the current unflushed vertex buffer. To solve
this, we now track what textures are being used by current buffer,
and flush the buffer when the texture are about to be
modified/deleted.

As you can guess, this issue doesn't affect the SDLTexture backend,
since its batching system is half-decent.
 2020-02-03 15:44:09 +00:00
Clownacy
b894543f3b Shut up a C++11 error from the enhanced branch 
Nice one, C++. Adding yet another C-incompatibility?
 2020-02-03 14:43:02 +00:00
Clownacy
4190493fd8 More documentation 2020-02-02 00:34:03 +00:00
Clownacy
514d9f8739 Document the OpenGL renderer a bit more 
This makes it easier to find things
 2020-02-02 00:21:28 +00:00
Clownacy
d84f64a5a9 Tweak cute_spritebatch settings 
1024x1024 seems like overkill
 2020-02-02 00:10:01 +00:00
Clownacy
eb6ab89b85 Fixes and improvements 
Made texture-atlasing occur immediately, notably.
 2020-02-02 00:01:45 +00:00
Clownacy
1b2d4fdb4d Fix the other rendering backends 
Also finished ripping-out the sub-pixel support
 2020-02-01 22:57:07 +00:00
Clownacy
eeed719c16 Get the SDLTexture renderer working again 2020-02-01 22:47:13 +00:00
Clownacy
e3cd7ce353 Add glyph-batching to OpenGL renderer 
Unfortunately, sub-pixel font rendering had to go. It wasn't portable
anyway (not every display is an LCD with R->G->B ordering).
 2020-02-01 22:37:59 +00:00
Clownacy
eaf2de05b6 Add glyph-batching to the SDLTexture backend 
Hope it will be this easy for the OpenGL backend
 2020-02-01 17:49:26 +00:00
Clownacy
639039ce3a Added Backend_PrepareToDrawGlyphs 
This is to reduce OpenGL context changes, and help pave the way for
glyph-batching
 2020-02-01 16:40:23 +00:00
Clownacy
e3db7749ba Add verbose error-reporting to backends 
Should fix #98
 2020-02-01 12:22:44 +00:00
Clownacy
ed1ff2f275 Tweak MIN/MAX macros in software renderer 2020-01-29 23:45:22 +00:00
Clownacy
788697dc5d Fix a possible hang in the audio mixer 
It was likely a race condition between the game thread writing to
'organya_timer', and the audio thread reading it.

...I really need to rethink the API for this Organya-synchronisation
thing.
 2020-01-29 23:21:27 +00:00
Clownacy
e4394aea1f Whoops, forgot to remove this #include 2020-01-29 22:16:21 +00:00
Clownacy
d0defa4a7b This cast shouldn't be necessary 2020-01-29 22:15:53 +00:00
Clownacy
638e96be11 Move and rename attrHot 
Like the MIN and MAX macros, I'd rather keep this in the source file
than a common header.
 2020-01-29 22:14:35 +00:00
Gabriel Ravier
5e6658847c Re-add missing "(double)" 
Signed-off-by: Gabriel Ravier <gabravier@gmail.com>
 2020-01-29 23:04:17 +01:00
Gabriel Ravier
88a8362f23 Reverted fmodf stuff and tried to make it so C++ compilers would go for the float version in appropriate circumstances (fmodf directly is unavailable due to not being in C89) 
Signed-off-by: Gabriel Ravier <gabravier@gmail.com>
 2020-01-29 23:01:31 +01:00
Gabriel Ravier
1442299924 Made MixSounds be marked as hot 
Signed-off-by: Gabriel Ravier <gabrielravier@gabrielAncientIBMv2>
 2020-01-29 23:01:31 +01:00
Gabriel Ravier
c15ecbf728 Used fmodf instead of fmod for a 0.5% performance increase in MixSounds 
Signed-off-by: Gabriel Ravier <gabrielravier@gabrielAncientIBMv2>
 2020-01-29 23:01:31 +01:00
Clownacy
e33bd9c8f9 Fix visual artefacting on the Pi 
I'm not sure why there was linear filtering when I was rendering at
1:1 pixel ratio, but it did happen. This fixes it by forcing
nearest-neighbour. The artefacting was caused by the linear filtering
blending with pixels outside the specified texture coordinates,
creating lines around everything.

Fun fact: the framebuffer technique CSE2 uses is demanding on the Pi
(1278x720 runs at 60 FPS when the framebuffer is forced to 852x480,
even though all the internal rendering is still 1278x720). I guess
rendering those extra 920160 pixels really takes its toll.
 2020-01-25 14:26:15 +00:00
Clownacy
99a8b2bd18 Improve OpenGL performance on the Raspberry Pi 
Apparently 2 VBOs wasn't enough. This bumped the framerate from 13FPS
to 20FPS in a stress-test (CSE2E at 1704x960 on a Raspberry Pi 3B
in X11 with the KMS OpenGL driver).
 2020-01-25 14:22:50 +00:00
Clownacy
87b296c513 Converted SDLSurface renderer 2020-01-22 22:33:34 +00:00