.gear/libplacebo.spec                              | 101 +++++++++++

 .gear/rules                                        |   3 +

 .../tags/375995d3a036d1ca370aab5a6c44ea5165d926e3  |  37 +++++

 .../tags/577d78b64a26485cc693aff0ad2911c7872b6084  | 175 ++++++++++++++++++++

 .../tags/593768f25823abe76eb5b60bfce69e75aebd6b09  |  41 +++++

 .../tags/6e34c5644755bb9dd8551624aaa9b8f368393fff  | 184 +++++++++++++++++++++

 .../tags/833e4edbc1b4da89ebdbb3046fefc2c4119b6e91  |  40 +++++

 .../tags/91ed8aafdb0fffe84fdcdd184202df42e211c7a4  |  67 ++++++++

 .../tags/992ab523edb83f8b840bf8a3c9e148b09977782f  | 150 +++++++++++++++++

 .../tags/e53e35d1cb5ee1a7b73e9806d155fce1532b99fe  | 128 ++++++++++++++

 .gear/tags/list                                    |   9 +

 11 files changed, 935 insertions(+)

diff --git a/.gear/libplacebo.spec b/.gear/libplacebo.spec

new file mode 100644

index 00000000..9548dd67

--- /dev/null

+++ b/.gear/libplacebo.spec

@@ -0,0 +1,101 @@

+%define sover 292

+

+Name: libplacebo

+Version: 6.292.1

+Release: alt0.1

+Summary: libplacebo is essentially the core rendering algorithms and ideas of mpv turned into a library

+Group: System/Libraries

+License: LGPL-2.1+

+Url: https://github.com/haasn/libplacebo

+Source0: %url/%name/archive/v%version/%name-%version.tar

+Patch: %name-%version-%release.patch

+

+BuildRequires(pre): meson

+BuildRequires: libshaderc-devel libvulkan-devel python3-module-jinja2 python3-module-glad2 liblcms2-devel gcc-c++

+%ifnarch %e2k

+BuildRequires: libunwind-devel libdovi-devel

+%endif

+

+%description

+libplacebo is essentially the core rendering algorithms and ideas of mpv turned

+into a library.

+

+%package -n %{name}%{sover}

+Summary: %name is essentially the core rendering algorithms and ideas of mpv turned into a library

+Group: System/Libraries

+

+%description -n %{name}%{sover}

+libplacebo is essentially the core rendering algorithms and ideas of mpv turned

+into a library.

+

+%package -n %name-devel

+Summary: Development files for %name

+Group: Development/C

+Requires: %{name}%{sover} = %EVR

+

+%description -n %name-devel

+The %name-devel package contains libraries and header files for

+developing applications that use %name.

+

+%prep

+%setup

+%patch -p1

+

+%build

+%meson

+

+%install

+%meson_install

+

+%files -n %{name}%{sover}

+%_libdir/%name.so.%{sover}

+

+%files -n %name-devel

+%_includedir/*

+%_libdir/%name.so

+%_pkgconfigdir/%name.pc

+

+%changelog

+* Tue Sep 05 2023 L.A. Kostis <lakostis@altlinux.ru> 6.292.1-alt0.1

+- v6.292.1.

+

+* Tue Aug 29 2023 L.A. Kostis <lakostis@altlinux.ru> 6.292.0-alt0.2

+- Rebuild w/ new ffmpeg.

+

+* Sun Jul 16 2023 L.A. Kostis <lakostis@altlinux.ru> 6.292.0-alt0.1

+- v6.292.0.

+

+* Fri May 26 2023 Michael Shigorin <mike@altlinux.org> 5.264.1-alt0.2

+- E2K: avoid missing BRs

+

+* Fri May 26 2023 L.A. Kostis <lakostis@altlinux.ru> 5.264.1-alt0.1

+- v5.264.1.

+

+* Thu Mar 16 2023 L.A. Kostis <lakostis@altlinux.ru> 5.264.0-alt0.1

+- v5.264.0.

+- BR: added libdovi.

+

+* Fri Dec 09 2022 L.A. Kostis <lakostis@altlinux.ru> 5.229.1-alt0.1

+- v5.229.1.

+- Update soname.

+- Update BR:

+  - mako -> jinja2

+  - libepoxy -> glad2

+  + add libunwind support.

+

+* Mon Oct 03 2022 L.A. Kostis <lakostis@altlinux.ru> 4.208.0-alt0.1

+- v4.208.0.

+- Update soname.

+

+* Tue Nov 16 2021 L.A. Kostis <lakostis@altlinux.ru> 4.157.0-alt0.2

+- Use libshaderc instead glslang.

+

+* Fri Nov 12 2021 L.A. Kostis <lakostis@altlinux.ru> 4.157.0-alt0.1

+- v4.157.0.

+- Update soname.

+

+* Mon Jun 14 2021 L.A. Kostis <lakostis@altlinux.ru> 3.120.1-alt0.1

+- v3.120.1.

+

+* Mon Jul 20 2020 L.A. Kostis <lakostis@altlinux.ru> 2.88.0-alt0.1

+- Initial build for ALTLinux.

diff --git a/.gear/rules b/.gear/rules

new file mode 100644

index 00000000..092a2c28

--- /dev/null

+++ b/.gear/rules

@@ -0,0 +1,3 @@

+tar: v@version@:.

+diff: v@version@:. .

+spec: .gear/libplacebo.spec

diff --git a/.gear/tags/375995d3a036d1ca370aab5a6c44ea5165d926e3 b/.gear/tags/375995d3a036d1ca370aab5a6c44ea5165d926e3

new file mode 100644

index 00000000..2809d1bb

--- /dev/null

+++ b/.gear/tags/375995d3a036d1ca370aab5a6c44ea5165d926e3

@@ -0,0 +1,37 @@

+object 34314e37306e3d12fe5a0416c9b79eaf268b0cb2

+type commit

+tag v5.229.1

+tagger Niklas Haas <git@haasn.dev> 1667332874 +0100

+

+v5.229.1

+

+This minor release fixes a crucial bug in v5.229.0, which caused a

+regression when using orthogonal scaler kernels on anything but simple

+scaling ratios, as well as other minor fixes.

+

+Fixes and performance enhancements:

+- fix an issue where the pl_shader_sample_ortho refactor broke

+  orthogonal scalers inside pl_renderer, for anything but very simply

+  scaling ratios

+- fix an issue where pl_shader_sample_ortho2 rejected some scaling

+  ratios due to floating point inaccuracy

+- fix an issue where some extreme 'test' ICC profiles were unfairly

+  rejected by the gamma detection code

+- fix an issue where some oddly-crafted ICC profiles could result in

+  NaNs propagating into the shader math

+-----BEGIN PGP SIGNATURE-----

+

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diff --git a/.gear/tags/577d78b64a26485cc693aff0ad2911c7872b6084 b/.gear/tags/577d78b64a26485cc693aff0ad2911c7872b6084

new file mode 100644

index 00000000..5dfb3e1a

--- /dev/null

+++ b/.gear/tags/577d78b64a26485cc693aff0ad2911c7872b6084

@@ -0,0 +1,175 @@

+object 8ae0648b459d8215bde7772501d5cba17e28bf53

+type commit

+tag v5.264.0

+tagger Niklas Haas <git@haasn.dev> 1678709293 +0100

+

+v5.264.0

+

+This release focuses on a major overhaul of HDR tone-mapping, including

+support for HDR10+ and PQ CIE Y dynamic metadata (including ST2094-40

+OOTF), an entirely rewritten peak detection shader (using a frame

+histogram), a reimagined new default 'spline' tone-mapping function, and

+two new debug overlays to visualize the tone-mapping LUT and clipped

+pixels.

+

+In addition, this release offers proper native support for DCI Digital

+Cinema Distribution Master (XYZ) decoding, integration with libdovi for

+Dolby Vision RPU parsing, native support for planar (YCbCr) vulkan

+texture formats, and a major overhaul of the vulkan command scheduling

+and synchronization code.

+

+Additions:

+- add PL_COLOR_PRIM_ACES_AP0 and PL_COLOR_PRIM_ACES_AP1

+- add pl_tone_map_params_infer

+- add pl_plane_data_from_comps (not restricted to 64-bit formats)

+- add pl_hook.parameters and the ability to use //!PARAM directives

+  inside mpv-style shaders

+- add pl_gpu_limits.host_cached to test for host-cached host-mapped

+  buffer support

+- add pl_vukan.get_proc_addr

+- add pl_vulkan_sem_create/destroy, to create (exportable) vulkan

+  semaphores for use with the vulkan image interop API

+- add pl_vulkan_hold_ex and pl_vulkan_release_ex

+- add pl_vulkan_wrap_params.aspect to wrap individual planes of planar

+  images

+- add support for packed 16-bit formats (rx10, rxgx10 etc.)

+- add support for planar textures (pl_fmt.planes and pl_tex.planes), and

+  introduce planar texture formats (g8_br8_420, gx10_bx10_rx10_444 etc)

+- add support for 3-component formats (rgb8, rgb16 etc) to d3d11

+- add PL_COLOR_TRC_ST428 (DCI digital cinema XYZ transfer function)

+- add pl_plane_data.swapped to support uploading non-native endian data

+- add pl_hdr_metadata.scene_max/avg and pl_hdr_metadata.ootf for HDR10+

+  dynamic metadata

+- add pl_map_hdr_metadata and pl_frame_map_avdovi_metadata

+- add pl_tone_map_params.hdr

+- add pl_tone_map_st2094_10 and pl_tone_map_st2094_40

+- add pl_color_map_params.visualize_lut and visualize_rect

+- add pl_hook.signature to help identify hooks (for error tracking)

+- add pl_renderer_get_errors and pl_renderer_reset_errors to query the

+  renderer for internal errors

+- add <libplacebo/utils/dolbyvision.h> for parsing DV RPUs (based on

+  libdovi)

+- add a compile-time option to disable dolbyvision support

+- add support for sampling from integer textures on d3d11

+- add pl_color_space_nominal_peak_ex

+- add pl_get_detected_hdr_metadata

+- add pl_hdr_metadata.max_pq_y and avg_pq_y

+- add pl_tone_map_params.input_avg

+- add pl_hdr_metadata_type and pl_hdr_metadata_contains, as well as

+  pl_color_map_params.metadata, to influence the choice of HDR metadata

+- add pl_peak_detect_params.percentile

+- add pl_color_map_params.show_clipping

+

+Changes:

+- deprecate pl_sync and pl_tex_export (in favor of pl_vulkan_sem_create

+  and pl_vulkan_hold_ex)

+- deprecate pl_vulkan_hold, pl_vulkan_hold_raw and pl_vulkan_release (in

+  favor of their _ex counterparts)

+- improve tone-mapping default function/mode heuristics

+- remove pl_swapchain.impl from public-facing struct

+- pl_tone_map_spline has been substantially rewritten and replaced by a

+  similar but different algorithm, with a new tunable parameter

+  (influencing the desired subjective contrast level)

+- pl_color_map_params.lut_size now only affects a 1D LUT, rather than a

+  2D LUT, and the default has been increased from 256 to 1024

+- move pl_renderer_params.allow_delayed_peak_detect to

+  pl_peak_detect_params.allow_delayed

+- deprecate pl_get_detected_peak, replaced by

+  pl_get_detected_hdr_metadata

+- deprecate/remove pl_peak_detect_params.overshoot_margin

+- move pl_hdr_rescale from <libplacebo/tone_mapping.h> to

+  <libplacebo/colorspace.h>

+

+Fixes and performance enhancements:

+- correctly accept even very wide ICC profiles

+- fix dynamic LUT generation suddenly switching between different tone

+  mapping functions when using `pl_tone_map_auto`

+- correctly report buffer size limits in pl_vulkan.gpu->limits

+- fix an issue where zooming into a fullscreen image did not correctly

+  invalidate the frame cache

+- fix building with recent versions of glslang

+- fix unintentional sub-pixel distortions when cropping

+- fix sampling from GL_OES_EGL_image_external targets on GL ES 3.x

+- fix UB when using VK_EXT_full_screen_exclusive

+- fix choice of default SDR curves when targetting PL_COLOR_TRC_UNKNOWN

+- infer correct color gamut / primaries when using PL_COLOR_SYSTEM_XYZ

+- fix corner case when combinig linear input with non-linear scaling

+- fix compute shader blit fallback rounding

+- optimize blitting from 1 pixel sources

+- fix UB when drawing from image formats where alpha was the first

+  component

+- fix pl_vulkan_wrap incorrectly rejecting 1D/3D textures

+- fix pl_vulkan_wrap ignoring renderable/host_readable caps

+- fix GLSL codegen for non-float samplerBuffer

+- adjust precision of whitepoints to match common practice

+- fix d3d11 texel buffer initialization

+- fix frequent shader recompilation in pl_shader_dovi_reshape

+- correctly decode white point of DCI XYZ content

+- fix issue where OpenGL shaders with multiple buffer block bindings

+  (UBOs/SSBOs) were not correctly initialized on older GLSL

+- various fixes and improvements to the vulkan memory selection logic

+- fix memory leak on d3d11

+- fix possible crash on older OpenGL drivers

+- fix texture blit fallback shader on older GLSL

+- avoid implementation-defined behavior when using SSBOs on older GLSL

+- fix memory leak when pl_mpv_user_shader_parse fails

+- fix memory leak when using deinterlaced frames in pl_queue

+- fix thread-unsafe array usage in pl_pass_create on vulkan

+- fix issue where BT.2446 was unintentionally picked for HDR->HDR

+  inverse tone mapping

+- fix double mutex unlock in vulkan memory allocator

+- fix <libplacebo/shaders/deinterlacing.h> and <libplacebo/d3d11.h> headers

+- fix missing host read/write dependencies vulkan buffers

+- fix build on newer vulkan headers

+- fix various build issues on 32-bit platforms

+- fix issue when shader LUTs fail being created

+- fix possible UB in AV1 film grain shader

+- substantially rewrite vulkan command/object synchronization to take

+  full advantage of timeline semaphores, drastically reducing the number

+  of semaphores and synchronization primitives that were emitted

+- properly clean up after old/unused shader cache entries

+- fix timing of vulkan uninit debug messages

+- correctly prefer mingw vulkan headers over system-wide vulkan headers

+  when building inside mingw

+- improve performance of string concatenation operations when

+  constructing shaders

+- fix vulkan swapchain recreation when swapchain size is unchanged

+- fix unnecessary/redundant tone-mapping when drawing overlays

+- fix discontinuity when using PL_TONE_MAP_AUTO and the source peak

+  falls below the target peak

+- fix overly aggressive saturation when using PL_TONE_MAP_LUMA for small

+  range conversions

+- various fixes for using libplacebo from C++

+- always go through full tone-mapping LUT even when performing only

+  black-point-compensation

+- performance improvement (LUT bypass) for pl_tone_map_linear

+- improve debugging of vulkan leak detection and out-of-memory errors

+- fix possible segfault when vulkan/d3d11 context creation fails

+- avoid deprecated features when compiling SPIR-V for newer vulkan

+- fix various issues caused by a poor choice of color mixing space when

+  using pl_render_image_mix and HDR sources/displays

+- correctly invalidate frame cache when rendering single frames with

+  updated parameters/dimensions

+- correctly reset peak detection state when params change

+- fix unintentional RGB hard-clip before luma-based tone-mapping

+- correctly enable vulkan validation features extension when using

+  pl_vk_inst_params.debug_extra

+- emit correct texture barrier when pl_pass_params.load_target is true

+- various fixes and improvements to the test framework

+- various fixes and improvements to demos/plplay

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diff --git a/.gear/tags/593768f25823abe76eb5b60bfce69e75aebd6b09 b/.gear/tags/593768f25823abe76eb5b60bfce69e75aebd6b09

new file mode 100644

index 00000000..99f7074c

--- /dev/null

+++ b/.gear/tags/593768f25823abe76eb5b60bfce69e75aebd6b09

@@ -0,0 +1,41 @@

+object ec69102ed35e4af1dd6f14f01cf648bd78757c32

+type commit

+tag v3.120.1

+tagger Niklas Haas <git@haasn.xyz> 1617691673 +0200

+

+v3.120.1

+

+This hotfix release fixes a number of minor issues with the v3.120.0

+release, and also modularizes the included demo programs to cut down on

+the number of compiled binaries.

+

+Changes:

+- hexadecimal strings in custom shaders may now include whitespace

+- added 16-bit half float formats to the dummy pl_gpu

+- significantly reduced verbosity of the included demo programs

+- merged all of the demo program variants into a single binary that

+  picks the best windowing system / graphical API at runtime

+- install `plplay` when demos are enabled

+

+Fixes and performance improvements:

+- fixed an integer overflow in a texture bounds check

+- fixed a false positive error in the test framework on 32-bit platforms

+- fixed some minor issues with various outdated comments

+- fixed a potential use-after-free in the `plplay` demo program when

+  playing files containing embedded ICC profiles

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diff --git a/.gear/tags/6e34c5644755bb9dd8551624aaa9b8f368393fff b/.gear/tags/6e34c5644755bb9dd8551624aaa9b8f368393fff

new file mode 100644

index 00000000..b0930209

--- /dev/null

+++ b/.gear/tags/6e34c5644755bb9dd8551624aaa9b8f368393fff

@@ -0,0 +1,184 @@

+object b98c997220ca956acc8a9f36273722984a40256e

+type commit

+tag v4.157.0

+tagger Niklas Haas <git@haasn.dev> 1631005290 +0200

+

+v4.157.0

+

+This is a major new release involving a significant overhaul of the

+public API, full thread safety, support for Direct3D 11 / Win32 /

+MSVC, native HDR output, and more.

+

+The primary way of accessing most libplacebo objects has been revamped.

+Rather than writing e.g. `const struct pl_tex *image`, users now simply

+write `pl_tex image`. In addition, the `struct pl_context *ctx` was

+universally refactored and replaced by `pl_log log`, with no concern

+besides logging.

+

+Direct3D 11 is now natively supported by libplacebo, and compiling on

+Windows in general has been made more straightforward.

+

+The entire API was revamped to be thread safe by default, even when

+using OpenGL (assuming the user provides the appropriate context binding

+callbacks). Accompanying this change, the `pl_queue` has been rewritten

+with multi-threaded decoding loops in mind. See the accompanying

+`plplay` demo for an illustration.

+

+Finally, this release brings with it a lot of features for feature

+parity with mpv, such as the ability to get pass stats / timings,

+oversample scaling, and more.

+

+Additions:

+- add a `void *user_data` field to `pl_frame`, with no further

+  interpretation by libplacebo

+- add `pl_queue_push_block`, useful for multi-threaded decoding loops

+- add a `uint64_t timeout` to `pl_queue_update`, allowing it to

+  block until frames are available even when not using a `get_frame`

+  callback

+- make `pl_queue_update` also return valid data when failing with

+  PL_QUEUE_MORE, allowing access to partial/incomplete mix outputs

+- allow calling `pl_render_image` on `image == NULL`, to render overlays

+  only

+- add `pl_get_buffer2`, API-compatible with AVCodecContext.get_buffer2

+- add support for blitting from/to several obscure formats such as

+  a1rgb5 or 64-bit integer formats

+- add `pl_tex_clear_ex` to support clearing integer textures

+- add `pl_render_params.ignore_icc_profiles`, for debugging

+- add `pl_queue_params.interpolation_threshold`, to allow disabling

+  frame mixing when the source FPS approximately matches the display FPS

+- always accept DRM_FORMAT_MOD_INVALID for texture imports

+- add extra windowing functions to <libplacebo/filters.h>

+- add the `pl_fmt.gatherable` capability

+- add `pl_shader_sample_oversample`, a variant of nearest-neighbour

+  that preserves pixel aspect ratios - good for pixel art

+- add `pl_scale_filters` alongside `pl_frame_mixers`

+- add support for compile-time specialization constants (`pl_constant`),

+  and use them to speed up recompilation of shaders with hard-coded

+  constants

+- add `pl_render_params.dynamic_constants`, which lifts hard-coded

+  constants to dynamic variables - useful for scenarios in which render

+  parameters are expected to change very frequently

+- add more PL_COLOR_TRC_GAMMAxx definitions

+- implement full black point adaptation, even when not using ICC

+  profiles, and infer this black-point-adapted BT.1886 instead of gamma

+  2.2 as the default gamma curve for SDR files.

+- add `pl_shader_res.description` and `pl_shader_res.steps`, containing

+  more friendly names for shaders plus a detailed list of operations

+  that shader is performing

+- add callbacks to `pl_dispatch` and `pl_renderer` for informing users

+  of executed passes and their execution times

+- add support for the Direct3D 11 graphics API

+- add `pl_swapchain_colorspace_hint`, replacing

+  `pl_swapchain_hdr_metadata` as the new way to update swapchain

+  colorspace metadata at runtime. This can be used to e.g. switch

+  between HDR and SDR mode, for supported swapchains

+- add `pl_peak_detect_params.minimum_peak`, allowing users to constrain

+  the detected peak values to only be sensible (e.g. above 1.0)

+

+Changes:

+- simplify the `shaderc` pkg-config check - rather than querying for

+  `shaderc_shared.pc`, `shaderc_combined.pc` etc, simply check for

+  `shaderc.pc`, matching upstream

+- make almost everything thread-safe, and document the parts that

+  aren't. In particular, almost all GPU state access is now thread safe,

+  freeing up users to access `pl_gpu` instances from multiple threads,

+  even when the underlying API is OpenGL

+- deprecate `disable_overlay_sampling`, now effectively always true

+- `struct pl_overlay` has been refactored completely to allow for

+  overlays with more than one part per texture. The only way of using

+  this struct is deprecated

+- prefix `enum pl_queue_status` members by `PL_`, fixing an oversight in

+  the previous version of this API

+- make `pl_renderer` automatically clear the target image, freeing users

+  from the responsibility of calling `pl_frame_clear` themselves. This

+  can be controlled via three new fields in `pl_render_params`:

+  `background_color`, `background_transparency` and `skip_target_clearing`

+- rename `pl_context` to `pl_log`, and make its use optional. The old

+  names have been deprecated. It now lives inside <libplacebo/log.h>

+- add `typedefs` to all public-facing object types, o make them shorter

+  to reference. For example, `const struct pl_tex *tex` is now simply

+  `pl_tex tex`. This change affects almost every type of object in

+  libplacebo. The old way of referencing these objects is still

+  possible, but considered deprecated. Note that due to C++-specific

+  reasons, C++ users *must* upgrade their codeto the new API style

+- remove PL_PRIM_TRIANGLE_FAN

+- remove support for 64-bit float formats, which probably don't work on

+  any Vulkan implementation

+- stop contrast-limiting ICC profiles, instead assuming perceptual

+  profiles have infinite contrast

+- remove `pl_shader_signature` for being necessarily unsafe

+- require Vulkan 1.1 as the minimum vulkan version

+- rename `pl_oversample_frame_mixer` to `pl_filter_oversample`, and

+  allow using it for image scaling as well

+- change `pl_color_space_monitor` from PL_COLOR_TRC_GAMMA22 to UNKNOWN

+- change the signature of `pl_shader_(de)linearize` slightly

+- significantly increase the default strengths of the desaturation

+  settings in`pl_color_map_params`, to mimic the hollywood feel

+- refactor `pl_glsl_desc` and `pl_gpu_caps` completely, in favor of the

+  new structs `pl_glsl_version` and `pl_gpu_limits`, with new members.

+  The old API is still available for the time being, but deprecated

+

+Fixes and performance improvements:

+- fix possible use-after-free in `plplay`

+- don't explode `pl_queue` on NaN/Infinity/weird PTS values

+- fix edge case involving plane merging for cropped images

+- improve `plplay` by using threaded libplacebo APIs

+- several fixes for edge cases in <libplacebo/utils/libav.h> helpers

+- several fixes for 32-bit platforms (e.g. integer overflows)

+- fix blending edge cases involving overlays and alpha channels

+- skip some unnecessary matrix multiplications for RGB content

+- allow for some small backwards PTS jumps in `pl_queue_update`

+- fix drawing overlays to subsampled targets

+- `pl_dispatch` now garbage collects old, unused passes to free up RAM

+- various improvements to debug/diagnonstic printouts

+- allow blitting from e.g. 2D to 3D textures

+- slightly improve small texture transfers in some emulated edge cases

+- fix several possible hash collisions for generated shaders, making the

+  shader dispatch mechanism significantly more robust

+- properly allow building against vulkan headers without linking to the

+  vulkan loader

+- C++ compatibility for public headers

+- improve performance of textureGather-based polar sampling, especially

+  for radius 2 and 4

+- fix vulkan texture handle capabilities check, again

+- don't include superfluous pNext chains, fixes undefined behavior

+- fix crash on edge case when shader compilation fails

+- infer unsampled alpha channels as 1.0, rather than 0.0

+- properly infer `target->color` in `pl_render_image`

+- properly tag the OpenGL swapchain as pl_color_space_monitor

+- fix possible crash in pl_get_detected_peak

+- fix several edge cases in pl_render_image_mix relating to LUTs,

+  3DLUTs, HDR peak detection and so on

+- fix sig_peak inferral for HLG content

+- several compatibility fixes for older GLSL, and GLES 2.0

+- fix possible use-after-free in pl_shader_custom

+- fix `pl_color_map_params.gamut_clipping` for HDR targets

+- reduce the number of redundant color space transformations required

+  for frame mixing

+- fix edge case in pl_dispatch_save for some ancient GL drivers

+- several fixes for LLVM/MinGW/MSVC

+- fix bug where pl_pass_run incorrectly invalidated/accessed

+  `params->target` even for compute shaders

+- add windows compatibility to several demo programs

+- fix the pl_fmt <-> DRM fourcc format mapping table

+- fix inappropriate texture access function for generated samplers with

+  the sampler2D API

+- avoid generating spurious EGL errors when probing for EGL format

+  modifiers

+- fix various typis in the documentation

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diff --git a/.gear/tags/833e4edbc1b4da89ebdbb3046fefc2c4119b6e91 b/.gear/tags/833e4edbc1b4da89ebdbb3046fefc2c4119b6e91

new file mode 100644

index 00000000..66d55234

--- /dev/null

+++ b/.gear/tags/833e4edbc1b4da89ebdbb3046fefc2c4119b6e91

@@ -0,0 +1,40 @@

+object ed29e541a55acf28022738440b2a925386292551

+type commit

+tag v5.264.1

+tagger Niklas Haas <git@haasn.dev> 1679583198 +0100

+

+v5.264.1

+

+This bugfix release fixes a major regression in the v5.264.0

+tone-mapping redesign which resulted in garbage pixels (and unnecessary

+tone-mapping) when using an ICC output profile, as well as other minor

+miscellaneous fixes.

+

+Fixes:

+- fix linear tone mapping resulting in garbage pixels appearing in and

+  around black and near-black regions

+- fix ICC profiles incorrectly resulting in tone-mapping being enabled

+- fix minimum meson version being incorrectly set

+- fix HDR10 static metadata minimum brightness not being sent when using

+  HDR passthrough

+- fix left-over debug junk that could possibly cause a shader

+  miscompilation on older GLSL

+- fix a possible memleak in pl_renderer

+- fix several hypothetical sources of UB inside internal code

+- various minor fixes to misleading or missing log messages

+-----BEGIN PGP SIGNATURE-----

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diff --git a/.gear/tags/91ed8aafdb0fffe84fdcdd184202df42e211c7a4 b/.gear/tags/91ed8aafdb0fffe84fdcdd184202df42e211c7a4

new file mode 100644

index 00000000..e41257db

--- /dev/null

+++ b/.gear/tags/91ed8aafdb0fffe84fdcdd184202df42e211c7a4

@@ -0,0 +1,67 @@

+object 06b51c6c1bc8be6153823929496eed255dd76e69

+type commit

+tag v6.292.1

+tagger Niklas Haas <git@haasn.dev> 1691092175 +0200

+

+v6.292.1

+

+This minor release includes several important bug fixes to downscaler

+kernels, a new and improved default perceptual gamut mapping mode, and

+an overhaul of the `plplay` demo program's core timing loop. It also

+drops the requirement for VK_KHR_synchronization2, which was

+unnecessarily and prohibitively strict in practice.

+

+Note that because this minor release does not change the public API,

+several new options related to the above changes are not yet exposed as

+part of this release.

+

+Fixes and other enhancements:

+- improve the quality of fallback tone-mapping (without state object)

+- implement fast path for saturation mapping

+- don't clip overlays during tone mapping / gamut conversion

+- enhance gamut 3DLUT visualization

+- fix aliasing when antiringing during downscaling

+- fix aliasing when downscaling with polar (EWA) filters

+- revert requirement for VK_KHR_synchronization2

+- fix possible queue underrun bug on very high fps sources

+- correctly support displays above 200 Hz

+- improve timing loop of plplay

+- add CPU metrics and frame statistics to plplay

+- fix build errors on 32-bit windows

+- correctly flush when submitting frame on opengl

+- fix bug when using contrast recovery with bilinear sampling

+- fix compilation warning on some platforms

+- properly handle interpolation on single frame files

+- fix memory leak of d3d11 helper buffer

+- fix vulkan debug_extra not being respected

+- remove unusable rxgxbxax10/12 formats

+- various fixes to the test framework

+- fix compute shaders being incorrectly enabled at too-low GLSL versions

+- fix capability masking when limiting max GLSL version

+- fix HLG source peak tuning logic when display luminance is known

+- fix unintended tone-mapping from SDR sources with embedded ICC

+  profiles on unknown SDR displays

+- fix ICC profile luminance metadata being ignored on redraws when using

+  pl_render_image_mix

+- improve quality of perceptual gamut mapper, and vastly decrease time

+  to compute

+- increase default 3DLUT precision

+- fix numerical accuracy of pl_primaries_superset

+- disable gamut mapping if either colorspace does not describe a normal RGB

+  colorspace (e.g. swapped channels from synthetic test ICC profiles)

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diff --git a/.gear/tags/992ab523edb83f8b840bf8a3c9e148b09977782f b/.gear/tags/992ab523edb83f8b840bf8a3c9e148b09977782f

new file mode 100644

index 00000000..493f9201

--- /dev/null

+++ b/.gear/tags/992ab523edb83f8b840bf8a3c9e148b09977782f

@@ -0,0 +1,150 @@

+object ef202bcff8cce0e208e244e453d62dcad4c350ca

+type commit

+tag v6.292.0

+tagger Niklas Haas <git@haasn.dev> 1688679064 +0200

+

+v6.292.0

+

+This release focuses on a major overhaul of gamut mapping, including an

+all-new perceptual colorspace (IPTPQc4) and related set of 3DLUT

+generation primitives. The new default gamut mapping has been replaced

+by a perceptual soft-clip operation which attempts mapping primaries

+onto primaries while preserving a balance of both intensity and

+chromaticity. The old bespoke tone mapping modes have been replaced by a

+single colorimetric (IPTPQc4) tone mapping scheme. Lastly, a new HDR

+contrast recovery option helps preserve detail in very bright

+tone-mapped regions.

+

+In addition, this release focuses on major performance improvements to

+the shader generation system, considerably reducing CPU overhead in

+release builds.

+

+Finally, full support has been added for libavutil Vulkan hwcontexts,

+allowing libplacebo to work directly with Vulkan Video decoding without

+any memory copy overhead.

+

+Additions:

+- add `pl_shader_info`

+- add `pl_ipt_lms2rgb/rgb2lms and pl_ipt_lms2ipt/ipt2lms`

+- add <libplacebo/gamut_mapping.h>

+- add `pl_color_map_params.visualize_hue/theta` to visualize gamut 3DLUT

+- add `pl_vulkan_required_features`

+- add `pl_get_mapped_avframe` to retrieve AVFrame from mapped pl_frame

+- add `linear` frame mixer to pl_frame_mixers

+- add `pl_render_params.corner_rounding`

+- add `pl_matrix2x2_scale/invert` and `pl_transform2x2_scale/invert`

+- add `pl_shader_distort` and `pl_render_params.distort_params` to

+  enable arbitrary affine distortions (e.g. arbitrary rotation, shear,

+  flip/scale) as a final output post-processing step

+- add PL_HOOK_PRE_OUTPUT

+- add `pl_shader_color_map_ex` and `pl_color_map_args` as a more

+  flexible API variant of `pl_shader_color_map`

+- add `pl_color_map_parms.contrast_recovery/smoothness` settings, plus

+  `pl_color_map_args.feature_map` and `pl_shader_extract_features`

+- add `pl_transform2x2_bounds` to compute bounding box of transform

+- add `PL_COLOR_HDR_BLACK`, `PL_COLOR_SDR_CONTRAST` and

+  `PL_COLOR_HLG_PEAK` to replace previously-hardcoded magic constants

+- add `pl_peak_detect_high_quality_params` and

+  `pl_color_map_high_quality_params`

+

+Changes:

+- drop public APIs deprecated for libplacebo v4

+- require vulkan 1.3 headers at compile time

+- require vulkan 1.2 as a minimum runtime version

+- require a minimum version of GLSL 130 (GL/ES 3.0+)

+- require a mininum version of meson 0.63 to build

+- `pl_dispatch_info.shader` has been changed from `pl_shader_res` to

+  `pl_shader_info`, which may require updating some code (the fields

+  should be mostly backwards compatible)

+- complete refactor of `pl_color_map_params` gamut mapping settings

+- reduce default tone-mapping LUT size from 1024 to 256

+- deprecate `pl_vulkan.queues`

+- add `pl_vulkan_params.extra_queues` to enable more queue types

+- users are no longer required to use extension-specific vulkan feature

+  structs, and may freely mix and match them with vulkan 1.x

+  meta-structs - additionally, both types of structs are reported in

+  `pl_vulkan.features`

+- `pl_vulkan_wrap_params.aspect` can now be left as 0 when not mapping

+  individual planes of planar images

+- also enable subgroup clustered and quad operations in shaders

+- change type of `pl_vulkan.(un)lock_queue` to uint32_t, to match Vulkan

+  API and libavutil vulkan hwcontext

+- enable peak detection (sans histogram) by default in

+  `pl_render_default_params`

+

+Fixes and performance enhancements:

+- drop various backwards compatibility paths for GLSL 110

+- fix clipping artefacts when using textureless linear tone-mapping

+- fix source black point determination when using ICC profiles

+- vastly improve CPU overhead of shader (re-)generation on release

+  builds, at the cost of less friendly variable names

+- significantly improve CPU overhead of pl_shader-related internal

+  temporary allocations and various other related operations

+- fix HDR passthrough minimum luma value being ignored

+- minor fixes and performance improvements on internal allocator

+- fix various possible sources of minor memory leaks

+- various fixes and improvements to the meson build scripts

+- work-around nvidia-specific swapchain resizing bug, at the cost of

+  performance when resizing the window

+- fix frame queue FPS estimation for non-monotonic PTS

+- fix negative inputs edge case in pl_hdr_rescale

+- clamp detected HDR peak to legal PQ range

+- avoid unnecessary tone-mapping LUT regeneration on static content

+- minor optimizations to the fast bicubic shader

+- minor theoretical overhead reduction by forcing LOD level

+- fix pl_map_avframe_ex data buffer handling

+- various improvements and bug fixes to the `plplay` demo program

+- correctly handle v4 perceptual ICC profiles

+- fix memory leak of vulkan queue locks

+- fix theoretical UB in vulkan memory barrier ordering semantics

+- relax unnecessarily strict / redundant host memory barriers

+- improve debug logging to understand where VRAM is being allocated

+- reduce fragmentation of large VRAM allocations (>= 64 MB)

+- fix edge case where DRM format modifier was incorrectly checked on

+  export

+- correctly find vulkan SDK headers via VULKAN_SDK env var

+- correctly init d3d11 monitored fences

+- various fixes to d3d11 error reporting and logging

+- fix extension loading on pl_vulkan_import

+- various fixes to d3d11 register allocation

+- fix edge case when encountering incomplete interlaced streams

+- fix pl_queue_update with explicitly provided "extreme" vsync ratios

+- properly hold last interpolated frame for an extra 1/fps duration

+- fix off-by-one in interpolation EOF semantics

+- fix discontinuity in black point handling of st2094-40

+- fix possible double-acquire in pl_renderer frame acquisition logic, as

+  well as a possible use-after-unacquire

+- correctly handle mistagged YCbCr AVFrames (e.g. tagged as RGB)

+- fix incorrect clamping in pl_render_image(..., NULL) path

+- fix crash when effectively rendering to blank/empty target crop

+- fix alpha blending output

+- significantly speed up mathematical opeations on mingw builds

+- fix ICC profile gamma estimation for very strange synthetic test

+  profiles

+- fix excessive saturation when using black point compensation,

+  inverse tone mapping, or tone mapping very bright videos

+- fix edge case where pl_frame_queue returned frames too early

+- various fixes to `pl_color_space_nominal_luma_ex`

+- fix issue when using peak detection on older GPUs

+- substantially improve performance of peak detection shader, especially

+  when measuring a frame histogram

+- correctly hook PL_HOOK_SCALED even when using free/bilinear sampling

+- peak detection is now performed after downscaling, when viewing

+  high-res HDR content on a low-res monitor/window

+- fix clipping of overlays on targets with HDR metadata

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diff --git a/.gear/tags/e53e35d1cb5ee1a7b73e9806d155fce1532b99fe b/.gear/tags/e53e35d1cb5ee1a7b73e9806d155fce1532b99fe

new file mode 100644

index 00000000..6517e097

--- /dev/null

+++ b/.gear/tags/e53e35d1cb5ee1a7b73e9806d155fce1532b99fe

@@ -0,0 +1,128 @@

+object 12d55df496aa473296b180318b3132fdceb068fe

+type commit

+tag v4.208.0

+tagger Niklas Haas <git@haasn.dev> 1657927741 +0200

+

+v4.208.0

+

+This major release brings with it a number of fixes and changes for

+compatibility with both upstream and downstream projects, native HDR

+output on D3D11, and a complete redesign of the way ICC profiles are

+handled.

+

+Additions:

+- add helper macros linearize() and delinearize(), expanding to the

+  definition of the gamma function in use for the video signal

+- add various new helper functions relating to colorspaces and

+  primaries, see the API change log for a more comprehensive list

+- add `pl_render_params.force_low_bit_depth_fbos` for

+  debugging/performance tweaking purposes

+- add `pl_plane.flipped`, to allow representing individual flipped

+  frames in a way that semantically decouples from the presentation rect

+  (e.g. for OpenGL framebuffers, or planes with negative stride)

+- add '%' and '=' as operators to custom shaders, matching mpv

+- add `pl_vulkan.(un)lock_queue` for interop with other libraries

+- add `pl_frame.acquire/release` for better interop with hardware

+  decoders. These are only called on an as-needed basis immediately

+  before and after a frame is actually used for rendering, with only one

+  frame being acquired at any given time

+- add `pl_film_grain_from_av` helper function

+- add support for configuring the swapchain color space on D3D11, using

+  the existing pl_swapchain_colorspace_hint mechanism

+- add an entirely new ICC profile shader API, allowing ICC profiles to

+  be persistently opened (pl_icc_open) and their metadata exposed,

+  with explicit `pl_icc_decode` and `pl_icc_encode` operations instead

+  of a single monolithic decode+apply step

+- add `pl_render_params.plane_up/downscaler`, allowing to override the

+  upscaler/downscaler for subsampled chroma planes in particular

+- add `pl_filter_function/config.name` for debugging/logging purposes

+

+Changes:

+- pl_log_create is no longer an exported symbol, instead becoming

+  versioned by the compiled API version. `pl_log_create` is now a macro

+  expanding to the name of this versioned function

+- `pl_overlay_part` has been refactored, adding the new field `coords`

+  to control the coordinate system relative to which the part is placed

+  on-screen, as well as being generalized to support floating point

+  positions

+- deprecate PL_HOOK_PRE_OVERLAY, as a result of overlays no longer being

+  applied during the rendering pipeline

+- default `pl_color_map_params.gamut_mode` to PL_GAMUT_CLIP, replacing

+  PL_GAMUT_DARKEN

+- DRM modifiers are now required for vulkan dmabuf interop

+- `pl_vulkan.queue_*` are now *always* set to valid queues for that

+  operation type, even if it means including duplicates

+- `pl_render_image` with NULL image now reports itself as a blend pass

+  (blending 0 frames) instead of a frame pass to the info callbacks

+- completely refactor/remove the old ICC/3DLUT shader API

+  (`pl_icc_update`, `pl_icc_apply` etc.)

+- <libplacebo/shaders/icc.h> is now installed unconditionally, with

+  `pl_icc_open` simply failing when built without lcms2

+- versions of glslang before the new versioning scheme (10.x.x) are no

+  longer supported

+

+Fixes and performance enhancements:

+- fix pl_tone_map_reinhard.param_min to prevent division by zero

+- fix left-over asserts preventing misaligned buffer uploads via

+  pl_upload_plane

+- fix bug where emulated rgb textures had alpha incorrectly

+  preinitialized to 0 instead of 1

+- overlays are now always rendered onto the final blended image, solving

+  various bugs and unexpected edge cases due to image overlays being

+  blended in the middle of the rendering pipeline

+- fix a bug where tone-mapping without a state object resulted in broken

+  behavior

+- allow `pl_shader_sample_polar` to work with external samplers or

+  flipped textures without incurring a performance penalty

+- fix the behavior of pl_shader_sample_oversample, which was previously

+  producing very wrong results

+- fix an issue where the dither depth was incorrectly picked in a number

+  of edge cases

+- fix a number of issues with the H.274 film grain shader

+- fix a bug where grayscale images were slightly too green

+- fix a bug where `pl_vulkan.queue_transfer` was never set

+- fix possible UB in pl_opengl_wrap_tex on some drivers with broken

+  texture channel depth queries

+- fix issue where some shader LUTs were being regenerated on every

+  single frame rather than properly cached

+- fix shader compilation error on older GLSL

+- fix bug where images were sometimes undesiredly being scaled in linear

+  light

+- fix SDR<->SDR tone-mapping to properly be a no-op (linear stretch)

+- fix use-after-free in pl_get_buffer2's error path

+- fix d3d11 build issues on older versions of the SDK

+- fix edge case where auto-detected vulkan in the absence of

+  glslang/shaderc caused the build to fail

+- fix build issues with up-to-date vulkan SDK

+- fix issue where non-coherent buffer imports were used in ways not

+  adhering to the non-coherent memory atom size

+- fix various issues and undefined behavior when flushing mapped

+  buffers, especially for non-coherent memory

+- avoid some validation warnings about improper pipeline barriers

+- fix runtime error with up-to-date MoltenVK

+- fix issue where some pl_frame_mix structs resulted no frames being

+  mixed, triggering an assertion

+- fix bug where overlays were drawn flipped onto flipped planes when

+  rendering a NULL image

+- fix allocation alignment issues on some platforms (notably win32 i686)

+- fix compatibility issues with older macOS

+- fix error handling in pl_cond_timedwait

+- fix build issues with older vulkan versions

+- fix build issue of demos/sdlimage in some configurations

+- reduce VRAM consumption of ICC 3DLUTs by 50%

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diff --git a/.gear/tags/list b/.gear/tags/list

new file mode 100644

index 00000000..693de5f8

--- /dev/null

+++ b/.gear/tags/list

@@ -0,0 +1,9 @@

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