Lynne
9c04a40136
vulkan/ffv1: implement floating-point decoding
...
Sponsored-by: Sovereign Tech Fund
2026-03-31 23:47:45 +02:00
Lynne
f5054f726d
ffv1enc_vulkan: implement floating-point encoding
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Sponsored-by: Sovereign Tech Fund
2026-03-31 23:47:45 +02:00
Lynne
29b8614e62
vulkan/ffv1: fix bitstream initialization for Golomb
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Was broken when we switched to descriptors.
Sponsored-by: Sovereign Tech Fund
2026-03-31 23:47:45 +02:00
IndecisiveTurtle
cebe0b577e
lavc: implement a Vulkan-based prores encoder
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Adds a vulkan implementation of the reference prores kostya encoder. Provides about 3-4x speedup over the CPU code
2026-03-05 14:02:39 +00:00
Lynne
13e063ceec
vulkan/ffv1: properly initialize the linecache
2026-02-22 03:39:23 +01:00
Lynne
c91634dfe6
vulkan/ffv1: add current linecache for encode/decode
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This avoids needing expensive roundtrips when reading/writing to images,
mainly in the decoder.
2026-02-19 19:42:35 +01:00
Lynne
3f91ff8aa6
ffv1enc_vulkan: perform non-RGB prediction in 16-bits
2026-02-19 19:42:35 +01:00
Lynne
9d5421ad92
vulkan/ffv1: keep track of RCT Ry/By coeffs using vector suffixes
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This makes it far easier to read, particularly because when reading
or writing, their order is swapped.
2026-02-19 19:42:35 +01:00
Lynne
b9c19c9073
ffv1enc_vulkan: use direct values rather than reading from struct
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This saves indirection and allows compilers to eliminate more
code during compilation.
2026-02-19 19:42:35 +01:00
Lynne
fc10cc4a52
vulkan/ffv1: optimize get_isymbol
2026-02-19 19:42:34 +01:00
Lynne
f32111f3f7
vulkan/ffv1: improve compiler hints
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Don't unroll unless needed, don't use const in function arguments,
don't use expect unless actually needed.
2026-02-19 19:42:34 +01:00
Lynne
e9645930dd
vulkan/ffv1_dec: synchronize image writes when decoding
2026-02-19 19:42:34 +01:00
Lynne
fb7700636c
vulkan/ffv1: synchronize before/after RCT transform/preload
2026-02-19 19:42:34 +01:00
Lynne
5ac9376763
vulkan/ffv1_dec_setup: roll a put_rac inside a loop
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This saves 16KiB of memory.
Yeah, things go large when all compilers inline everything.
2026-02-19 19:42:33 +01:00
Lynne
33525cb6e7
vulkan/rangecoder: don't store pointers in the context
2026-02-19 19:42:33 +01:00
Lynne
5c1b2947a4
ffv1enc_vulkan: only return the encoded size, not its offset
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The encoded offset is just a multiple of the index by the max slice size.
2026-02-19 19:42:33 +01:00
Lynne
2c138e2df5
vulkan/ffv1: use loops to encode planes
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Every function in SPIR-V gets inlined, always. So use loops.
2026-02-19 19:42:33 +01:00
Lynne
10a26974cd
vulkan/ffv1: finalize and initialize slices only in invocation == 0
2026-02-19 19:42:33 +01:00
Lynne
bc968bc8b4
vulkan/ffv1_enc: cache state probabilities
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4x speedup on AMD.
2026-02-19 19:42:33 +01:00
Lynne
826b72d12f
vulkan/ffv1: mark buffers as uniform/readonly when needed
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Should be a speedup in most cases.
2026-02-19 19:42:32 +01:00
Lynne
3d74e0e63a
ffv1enc_vulkan: fix Golomb encoding
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The issue is that the PB buffer address for Golomb may not be aligned
to mod 4.
2026-02-19 19:42:32 +01:00
Lynne
fdd0f21f5d
vulkan/ffv1_common: use scalar alignment for the base slice structure
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Scalar is the fastest for modern GPUs to use.
2026-02-19 19:42:32 +01:00
Lynne
10407de110
vulkan/rangecoder: clean up unused functions and redundant fields
2026-02-19 19:42:32 +01:00
Lynne
dbc6fa5248
ffv1enc: use local RangeCoder struct
2026-02-19 19:42:31 +01:00
Lynne
b756d83e24
vulkan_ffv1: use local RangeCoder struct, refactor overread checking
2026-02-19 19:42:31 +01:00
Lynne
06eb98bc97
ffv1enc_vulkan: remove dead code
2026-02-19 19:42:31 +01:00
Lynne
b230ba4db9
ffv1enc_vulkan: use regular descriptors for slice state
2026-02-19 19:42:30 +01:00
Lynne
c0a697a1bc
vulkan_ffv1: use regular descriptors for slice state
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HUGE speedup on AMD, HUGE speedup everywhere.
2026-02-19 19:42:30 +01:00
Lynne
da99d3f209
vulkan_ffv1: implement parallel probability adaptation
2026-02-19 19:42:30 +01:00
Lynne
25e8d3d89c
vulkan/rangecoder: clean up the type mess slightly
2026-02-19 19:42:30 +01:00
Lynne
3bc265d484
ffv1enc_vulkan: make reset shader independent from the setup shader
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Allows them to run in parallel.
2026-02-19 19:42:29 +01:00
Lynne
7234f1b167
ffv1enc_vulkan: use a loop to write slice header symbols
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Same as with the decoder.
2026-02-19 19:42:29 +01:00
Lynne
fb5d3cf15e
vulkan_ffv1: use a loop to decode slice header symbols
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All known drivers and implementations inline every single function.
This ends up being faster.
2026-02-19 19:42:29 +01:00
Lynne
eff3dad6b7
avcodec: remove support for runtime SPIR-V compilation
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Begone.
2026-02-19 19:42:29 +01:00
Lynne
c4879dbbda
avcodec/vulkan: standardize on .glsl extension
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None of the files are strictly compute now.
2026-02-19 19:42:29 +01:00
Lynne
b736d1c73e
ffv1enc_vulkan: convert encode shader to compile-time SPIR-V generation
2026-02-19 19:42:29 +01:00
Lynne
4038af3da8
ffv1enc_vulkan: convert setup shader to compile-time SPIR-V generation
2026-02-19 19:42:29 +01:00
Lynne
6f4cef26df
ffv1enc_vulkan: convert reset shader to compile-time SPIR-V generation
2026-02-19 19:42:28 +01:00
Lynne
fdee87d06d
ffv1enc_vulkan: convert RCT search shader to compile-time SPIR-V generation
2026-02-19 19:42:28 +01:00
Lynne
ab2ba27c18
ffv1enc_vulkan: remove golomb gb context from main slice context
2026-02-19 19:42:28 +01:00
Lynne
6c0b2be235
vulkan_ffv1: remove golomb gb context from main slice context
2026-02-19 19:42:28 +01:00
Lynne
ea9ae1166b
vulkan_ffv1: precalculate bits and use a specialization constant
2026-02-19 19:42:28 +01:00
Lynne
3dceda7769
vulkan_ffv1: convert to compile-time SPIR-V generation
2026-02-19 19:42:27 +01:00
Lynne
82f0818ff2
vulkan/common: add debug shorthand
2026-02-19 19:42:27 +01:00
Lynne
8b447a670a
vulkan/dpx: bounds check with image sizes
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Prevents out of bounds accesses.
2026-02-19 19:42:27 +01:00
Lynne
ae1a227cf6
Makefile: specify GLSL version via command line arguments
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GLSL strictly mandates the version must be the very first non-comment
statement, which results in issues when #including for templating.
2026-02-19 19:42:20 +01:00
Lynne
8dcf02ac63
vulkan: remove IS_WITHIN macro
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This is the more correct GLSL solution.
2026-01-19 16:37:15 +01:00
averne
3829f4ba6a
vulkan/prores: reduce push constants size
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The VK specs only mandates 128B, and some platforms
don't actually implement more. This moves the quantization
matrices to the per-frame buffer.
2026-01-17 17:33:31 +00:00
Lynne
e51c549f6e
vulkan/dpx: drop using the nontemporal extension
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Its rarely respected by implementations, its fairly new (1 year old),
and it has a scuffed define (neither glslc nor glslang enable the
"GL_EXT_nontemporal_keyword" define if its enabled, unlike all other extensions).
2026-01-14 16:13:22 +01:00
Lynne
f2a55af9a4
vulkan_dpx: switch to compile-time SPIR-V generation
2026-01-12 17:28:43 +01:00
