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uxn
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1,239 Commits 6 Branches 6 Tags 3.7 MiB
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80 Commits

Author SHA1 Message Date
neauoire 7b33cf3d95 Renamed PPU to Screen 2021-12-28 13:37:26 -08:00
neauoire 4a223f91b5 The screen is now a member of Ppu 2021-12-27 09:57:48 -08:00
Sigrid Solveig Haflínudóttir a8944f36ec remove aarch64-specific logic, it has been moved to its own branch, "aarch64" 2021-12-27 13:38:44 +01:00
Sigrid Solveig Haflínudóttir 73177d91fe ppu: mark ppu_redraw as weak symbol so it can be overridden; move paletter to the start of Ppu struct (for alignment) 2021-12-26 07:09:12 +01:00
Sigrid Solveig Haflínudóttir 69cfef46be ppu_palette: rewrite for more readability 2021-12-25 22:42:34 +01:00
Sigrid Solveig Haflínudóttir 37cd90bec1 ppu_blit: change type to Uint16 2021-12-25 19:00:26 +01:00
Sigrid Solveig Haflínudóttir 2c8a7ed05a ppu_blit: tiny bit faster by doing less memory reads in the inner loop 2021-12-25 18:56:36 +01:00
Sigrid Solveig Haflínudóttir 5848fbe50b ppu_blit: mostly cosmetic - explain blending's 4th row, gain few more cycles 2021-12-25 16:26:01 +01:00
Sigrid Solveig Haflínudóttir 8bbe5c1dfd ppu_resize: f49143782a was wrong. keep successfully reallocated layers 2021-12-25 16:06:30 +01:00
Sigrid Solveig Haflínudóttir 831014e811 ppu_redraw: use the same optimization that one-layer logic had 2021-12-25 15:57:43 +01:00
Sigrid Solveig Haflínudóttir c2829ce5fe ppu: remove the last(?) remnants of single layer logic 2021-12-25 15:12:30 +01:00
Sigrid Solveig Haflínudóttir f49143782a ppu_resize: don't leak if one layer failed to resize 2021-12-25 15:05:33 +01:00
Sigrid Solveig Haflínudóttir 927fdb497f ppu: unite 1bpp and 2bpp into one - ppu_blit 2021-12-25 13:50:34 +01:00
Sigrid Solveig Haflínudóttir b2bb585e1d ppu: clear should only mark one layer as changed 2021-12-24 23:27:41 +01:00
Sigrid Solveig Haflínudóttir db957f4dbb ppu: resize already calls clear, no need for repetition 2021-12-24 23:27:07 +01:00
neauoire 8a25a5e387 Renamed layer.p to layer.pixels 2021-12-24 12:01:10 -08:00
Sigrid Solveig Haflínudóttir f79b092e71 ppu: separate reqdraw for fg and bg 2021-12-24 20:45:31 +01:00
neauoire 0a040824b7 Optimized ppu_redraw 2021-12-24 10:10:55 -08:00
neauoire cc6f2c8b29 Inlined ppu_read 2021-12-24 10:02:23 -08:00
neauoire 3fb4d40eb0 Split pixels into fg/bg 2021-12-24 09:59:18 -08:00
neauoire 250e338d07 Redraw is now part of the PPU 2021-12-24 09:46:21 -08:00
neauoire 0794070adf Palette is now part of the PPU 2021-12-24 09:39:51 -08:00
neauoire 668eab05bf (ppu) Minor optimisation 2021-12-24 09:29:26 -08:00
neauoire 5ebeaf6852 Using ppu_clear on resize 2021-12-20 09:42:29 -08:00
neauoire c4d9e52fd6 (uxnemu) Clear debugger on toggle 2021-12-19 12:20:13 -08:00
Andrew Alderwick 2330320985 (readability) Use preincrements throughout in void context. 2021-12-14 23:17:32 +00:00
Devine Lu Linvega 3bfbbbc124 Moved debugger to ppu 2021-11-04 11:42:15 -04:00
Sigrid Solveig Haflínudóttir e21a0ed885
clang-format 2021-11-03 23:05:47 +01:00
Sigrid Solveig Haflínudóttir 5a20eb69b0
ppu: simplify ppu_set_size 2021-11-03 23:03:33 +01:00
Sigrid Solveig Haflínudóttir 28aaf40e6d
ppu_write: put new byte value only if it's different 2021-11-02 18:18:30 +01:00
Sigrid Solveig Haflínudóttir ca5675419e
ppu_write: remove duplicate condition we already checked for 2021-11-02 18:15:11 +01:00
neauoire 243c5866ac Do not overdraw 2021-09-30 19:35:22 -07:00
neauoire 0fe8b39447 Cleaned up PPU 2021-09-30 10:44:40 -07:00
neauoire 9de513ad47 Cleaned up ppu_read 2021-09-30 09:34:50 -07:00
neauoire c02dc5b0e2 Fixed transparency 2021-09-29 21:00:18 -07:00
neauoire c494e42cf2 Drawing is pixel-perfect again 2021-09-29 20:54:27 -07:00
neauoire bac54f1fd9 Progress on new bitpacking 2021-09-29 20:44:15 -07:00
neauoire 253be6f50c Minor cleanup 2021-09-29 20:05:26 -07:00
neauoire ecc1d7c416 Experimenting with 2 layers 2021-09-29 17:58:58 -07:00
neauoire f3b3823b0c The PPU require-draw flag is renamed to reqdraw 2021-09-29 16:14:13 -07:00
neauoire 8d72c36123 Moved get_pixel to ppu.c 2021-09-29 16:01:54 -07:00
Andrew Alderwick f38ba34310 clang-format 2021-09-21 21:20:22 +01:00
Sigrid Solveig Haflínudóttir 3d49536d76
ppu: keep track of the vertical region where redraw is supposed to happen 2021-09-21 19:39:00 +02:00
Andrew Alderwick 81ab3a7a74 Fixed PPU out-of-bounds crash 2021-09-20 23:12:11 +01:00
Andrew Alderwick c0e42f1322 Switched to faster unsigned ints for PPU memory 2021-09-20 22:51:09 +01:00
Andrew Alderwick b6fe4302d1 Switched to linear PPU memory 2021-09-20 22:51:09 +01:00
Andrew Alderwick f77fa80d35 Replaced duplicate parts of PPU init with resize functions 2021-09-19 23:34:03 +01:00
Sigrid Solveig Haflínudóttir 6337680774 ppu: change the API to signal when redraw is required 
To lower CPU load in idle mode (no changes on screen)
make ppu_pixel return non-zero when a change has been
made.

25% → 4% (piano.rom) after this change on Linux amd64,
Thinkpad X220.
 2021-09-19 23:30:53 +02:00
neauoire a5201767d7 Clear on resize 2021-09-18 17:18:20 -07:00
neauoire bca5562eec The screen width/height ports can be written to 2021-09-18 16:51:20 -07:00