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File libplacebo.changes of Package libplacebo (Revision f27935a716896988703dfceba2901dfa)

Currently displaying revision f27935a716896988703dfceba2901dfa , Show latest

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Mon Mar 13 20:05:16 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.264.0+15~git20230313.8359352:
  * opengl/context: fix log message
  * opengl: drop redundant extension / capability checks
  * shaders: remove back-compat for pre-GLSL 130
  * shaders: nuke sh_tex_fun
  * shaders: remove sh_bvec
  * opengl: bump minimum version to GLSL 130
  * tests/opengl: drop older opengl test
  * README: add hardware requirements section
  * README: remove gentoo-specific section

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Mon Mar 13 17:22:35 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.264.0+6~git20230313.a329d4a:
  * vulkan: drop misc #ifdefs
  * vulkan: drop #ifdef VK_VERSION_1_3
  * vulkan: bump minimum build dependency to 1.3
  * 3rdparty: update deps
  * global: remove v4 deprecations
  * meson: bump major ver
  * RELEASING: update release guidelines
  * renderer: fix dither depth message
  * glsl/utils: fix SPIR-V to Vulkan version mapping
  * shaders/dithering: describe bit depth in dither pass

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Sat Mar 11 08:01:17 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.264.0-rc1+1~git20230310.3bdfb69:
  * all: add a PL_HAVE_DOVI flag to control DoVi code from being built
  * vulkan/gpu: drop redundant #ifdef
  * renderer: log dither bit depth
  * vulkan/pass: emit correct barrier when load_target is true
  * vulkan/context: correctly enable VK_EXT_validation_features
  * vulkan/context: also look for debug ext inside debug layer
  * vulkan/context: make VK_EXT_validation_features non-conditional
  * renderer: fix frame reuse when ICC profile is used
  * shaders/colorspace: add pl_color_map_params.show_clipping
  * shaders/colorspace: move unnecessarily scoped variable
  * shaders/colorspace: make dst_max dynamic
  * shaders/colorspace: remove hard-clamp
  * shaders/colorspace: add frame histogram measurement
  * vulkan: link VkPhysicalDeviceMaintenance4Features only on vulkan >= 1.3
  * demos: fix build on macOS with older deployment targets
  * shaders/colorspace: fix scene change hysteresis (again)
  * shaders/colorspace: reset peak detection on params change

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Wed Mar 08 14:07:15 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+376~git20230307.e43bb79:
  * shaders/colorspace: fix pl_peak_detect_params.minimum_peak
  * Revert "shaders/colorspace: avoid clipping on pans/fades"
  * renderer: fix alpha assertions
  * shaders/colorspace: add pl_color_map_params.visualize_rect
  * colorspace: always sanitize static HDR10 metadata
  * colorspace: ignore obviously broken HDR metadata

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Tue Mar 07 00:33:14 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+370~git20230306.0fbda59:
  * tests/gpu_tests: add peak detect params test
  * renderer: ignore deprecated/removed param
  * renderer: always treat peak_detect_params as non-trivial
  * renderer: disable peak detection when redundant or unused
  * demos/plplay: allow tuning tone mapping data source
  * shaders/colorspace: add tone-map nits to shader description
  * shaders/colorspace: allow tuning HDR metadata source
  * utils/dolbyvision: set CIE Y metadata fields
  * shaders/colorspace: check for SSBO support in peak detect shader
  * shaders/colorspace: measure PQ Y instead of MaxRGB
  * shaders/colorspace: switch to pl_color_space_nominal_luma_ex
  * demos/plplay: switch to pl_color_space_nominal_luma_ex
  * tone_mapping: add pl_tone_map_params.input_avg
  * colorspace: add pl_color_space_nominal_luma_ex
  * colorspace: add pl_hdr_metadata_type
  * tone_mapping: move pl_hdr_scaling / pl_hdr_rescale to colorspace.h
  * colorspace: add PQ Y values to pl_hdr_metadata
  * renderer: always force strict reuse on single frames
  * renderer: do color management before frame mixing
  * renderer: move color management to pass_convert_colors
  * spirv: use highest supported SPIR-V version
  * vulkan: enable maintenance4 for LocalSizeId execution mode support
  * spirv: allow to control target SPIR-V version
  * meson: respect prefer_static option for glslang
  * glslang: do not link things we don't use
  * glslang: do not mix static libraries with shared ones
  * glslang: use pl_static_mutex instead pthread_mutex_t
  * pl_thread_pthread: fix literal type
  * os: add new header for OS detection
  * thread: do not use PL_MIN
  * common: remove PL_CHECK_ERR
  * gpu: check for null to avoid crashes when closing after error

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Mon Mar 06 12:46:46 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+338~git20230305.d5b6bb5:
  * shaders/colorspace: make dst_max dynamic in visualize_tone_map
  * tone_mapping: remove left-over junk
  * vulkan/formats: reduce verbosity of storable fmt warning
  * shaders/colorspace: fix scene change hysteresis
  * shaders/colorspace: remove pl_peak_detect_params.overshoot
  * shaders/colorspace: avoid clipping on pans/fades
  * shaders/colorspace: always default to PL_TONE_MAP_HYBRID
  * Revert "colorspace: pass scene_max through luma coeffs"
  * Revert "shaders/colorspace: implement ST2094-40 MaxSCL gain"
  * demos/plplay: show the HDR peak detection options always
  * demos/plplay: use metadata from the frame directly

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Sun Mar 05 04:19:41 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+327~git20230303.2b2de17:
  * vulkan/malloc: also dump memory statistics on uninit
  * vulkan/malloc: track debug tags when allocating memory
  * vulkan/malloc: improve memleak message
  * shaders/colorspace: fix peak detection memory leak
  * shaders/colorspace: add pl_get_detected_hdr_metadata
  * shaders/colorspace: move `allow_delayed` to pl_peak_detect_params
  * shaders/colorspace: rewrite peak detection shader
  * tone_mapping: fix inverse tone mapping discontinuity
  * shaders/colorspace: use linear stretch only if requested
  * tone_mapping: reduce strength of knee clamping

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Fri Mar 03 08:15:21 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+317~git20230302.2dea081:
  * ci: use the same compiler for C++
  * tests: add include test in C++
  * vulkan: fix for C++ compilation
  * utils/dav1d: split declarations from definitions
  * utils/libav: split declarations from definitions
  * tone_mapping: add peak-dependent spline slope tuning

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Thu Mar 02 03:48:10 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+311~git20230301.3a6fa54:
  * tone_mapping: fix typo in SMPTE tone mapper names
  * tone_mapping: refactor spline slope selection
  * tone_mapping: refactor st2094 knee point selection
  * tone_mapping: fix outdated comment
  * shaders/colorspace: tune luma-dependent desat by ratio
  * shaders/colorspace: don't switch to RGB for pure BPC

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Mon Feb 27 05:24:51 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+305~git20230226.2836ded:
  * demos/plplay: track external fullscreen changes
  * demos/window: fix typo
  * demos/window: fix fullscreen switch on SDL
  * demos/plplay: add separate controls for bits struct
  * demos/plplay: use constant step of 5 mcd/m² for min_luma
  * demos/plplay: prioritize manual HDR levels override over dynamic metadata
  * shaders/colorspace: simplify dynamic LUT generation
  * shaders/colorspace: simplify tone-map visualization
  * renderer: disable tone-mapping params for overlays
  * tone_mapping: prefer spline over st2094-40 for non-HDR10+
  * tone_mapping: refactor pl_tone_map_spline
  * tone_mapping: improve knee point selection
  * plplay: forward dynamic brightness changes to display
  * swapchain/vulkan: properly remember the size
  * demos/plplay: add fullscreen mode
  * d3d11/swapchain: pass metadata struct as a pointer
  * d3d11/swapchain: reset HDR metadata if it hasn't been applied
  * demos/plplay: communicate detected CSP values to user
  * demos/plplay: major refactor of HDR override section
  * d3d11/swapchain: strip unsupported HDR10+ metadata
  * vulkan/swapchain: strip unsupported HDR10+ metadata
  * colorspace: add pl_color_space_nominal_luma to replace nominal_min/max
  * colorspace: pass scene_max through luma coeffs
  * ci: raise process limits for llvmpipe
  * shaders/colorspace: mark src-dependent shader vars dynamic
  * shaders: add SH_FLOAT_DYN etc. helpers
  * tests/gpu_tests: avoid rounding error in pl_planar_tests
  * tests/string: add pl_str_append_asprintf_c test
  * dispatch: only execute string templates when compiling
  * dispatch: switch to pl_str_builder
  * shaders: switch to pl_str_builder
  * pl_string: add pl_str_builder
  * format: add pl_str_append_memprintf_c
  * format: use pl_str_append_raw
  * pl_string: add pl_str_append_raw

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Thu Feb 23 23:54:13 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+270~git20230223.6f8510f:
  * vulkan/utils_gen: prefer mingw env path
  * utils/libav: don't mix declarations and code
  * utils/libav: add missing include for LIBAVCODEC_VERSION_INT
  * make vk_device_extensions const
  * vulkan: make vk_formats static
  * swapchain: Put pl_sw_fns struct into .data.rel.ro

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Thu Feb 23 19:08:16 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+264~git20230223.18d8ddb:
  * vulkan/context: fix destruction message
  * vulkan/common: remove dead #define
  * swapchain: hide implementation inside PL_PRIV
  * utils/dolbyvision: ignore brightness metadata for profile 4
  * dispatch: purge stale cache entries

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Tue Feb 21 23:24:06 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+259~git20230221.dc6c465:
  * glsl/shaderc: add spv disassembly in PL_LOG_TRACE
  * ci: drop llvmpipe hack
  * vulkan/command: switch to comand semaphores for vk_sem
  * vulkan/command: switch from VkFence to VkSemaphore
  * tests/gpu_tests: disable ICC profiles test on GLES2
  * shaders/icc: add missing lut check
  * tests/bench: add some error checking
  * d3d11: enable sampling from integer textures
  * shaders/film_grain_av1: fix left shift of negative value
  * common: add nonnull attribute PL_PRINTF
  * shaders/film_grain_av1: add missing null check for LUT
  * shaders/film_grain_av1: remove sh_lut_quiet

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Tue Feb 21 16:14:15 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+247~git20230220.8206a0b:
  * tests/vulkan: use proper init type for handle

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Mon Feb 20 13:22:57 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+246~git20230220.2f48906:
  * vulkan/utils: assert that struct sizes are known

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Sun Feb 19 22:59:55 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+245~git20230219.1ede859:
  * README: add libdovi optional dependency
  * vulkan/utils_gen: fix build on vulkan-headers 1.3.241
  * utils/libav_internal: use pl_hdr_metadata_from_dovi_rpu when mapping from AVFrame
  * utils: add dolbyvision.h and pl_hdr_metadata_from_dovi_rpu
  * meson: add libdovi dependency
  * utils/libav: add pl_frame_map_avdovi_metadata
  * tests: check pl_render_image errors
  * renderer: add pl_renderer_get_errors
  * renderer: convert disable_* to single bitfield with all errors
  * shaders/custom: add signature to pl_hook
  * ci: detect leaks
  * plplay: do not use deprecated aliases
  * demos/plplay: change how color metadata are handled
  * demos/plplay: allow controlling color space hint
  * colorspace: include nominal min/max in pl_color_space_merge
  * demos/glfw: fix initial swapchain size
  * d3d11/swapchain: copy missing fields in map_pl_csp_to_d3d11
  * gpu: move global variable closer to usage
  * d3d11: define guids in one translation unit
  * stubs: add header includes to stubs
  * d3d11: add missing PL_API macros
  * meson: set visibility hidden with option

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Sat Feb 18 17:15:57 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+223~git20230218.3dd5092:
  * shaders/lut: don't spam LUT update message for dynamic LUTs
  * vulkan/buf: emit correct host read/write dependencies
  * config: fix config.h API definitions
  * common: don't unconditionally include all public headers
  * common: move GCC visibility pragmas to PL_API_BEGIN/END
  * shaders/deinterlacing: add missing PL_API macros

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Sat Feb 18 02:23:49 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+217~git20230217.0254012:
  * vulkan/malloc: fix double-unlock of mutex
  * renderer: suppress dynamic HDR metadata in frame mixer
  * tone_mapping: don't use BT.2446a for HDR<->HDR conversions
  * tone_mapping: don't pick ST2094 for inverse tone-mapping
  * shaders/colorspace: add tone mapping visualization
  * shaders/colorspace: move margin to peak detection shader
  * tests/tone_mapping: also test pure BPC generation
  * tests/gpu_tests: add more tone-mapping tests
  * shaders/colorspace: use perceptually linear pure BPC
  * tone_mapping: improve default BPC method
  * tone_mapping: fix ST2094-40 for D != T

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Wed Feb 15 22:37:07 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+206~git20230215.36e4536:
  * gpu: require pl_buf_copy src != dst
  * vulkan/buf: fix whitespace
  * vulkan/gpu: add vk_gpu_idle_callback
  * vulkan/pass: fix thread unsafe static array

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Wed Feb 15 15:40:03 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+202~git20230214.f2c4da9:
  * tests/gpu_tests: use MEMEQ for pl_planar_tests
  * tests: remove unneeded feq() function
  * tests/vulkan: switch to new REQUIRE macros
  * tests/utils: switch to new REQUIRE macros
  * tests/tone_mapping: switch to new REQUIRE macros
  * tests/string: switch to new REQUIRE macros
  * tests/opengl_surfaceless: switch to new REQUIRE macros
  * tests/gpu_tests: switch to new REQUIRE macros
  * tests/libav: switch to new REQUIRE macros
  * tests/icc: switch to new REQUIRE macros
  * tests/filters: switch to new REQUIRE macros
  * tests/dummy: switch to new REQUIRE macro
  * tests/dav1d: switch to new REQUIRE macros
  * tests/common: switch to new REQUIRE macros
  * tests/colorspace: switch to new REQUIRE macros
  * tests: add REQUIRE_MEMEQ() macro
  * tests: add REQUIRE_FEQ() macro
  * tests: add REQUIRE_CMP() macro
  * tests: refactor REQUIRE() into macro
  * tests/dummy: make less verbose
  * tests/gpu_tests: fix missing semicolon
  * gitignore: ignore 3rdparty dir
  * tone_mapping: avoid over-brightening in ST2094
  * tone_mapping: default to ST2094 when metadata present
  * tone_mapping: add SMPTE ST2094-10 and ST2094-40 Annex B
  * shaders/colorspace: implement ST2094-40 MaxSCL gain
  * shaders/colorspace: mark tone-mapping LUT as dynamic
  * tone_mapping: make HDR metadata available to tone-mappers
  * tone_mapping: fix comment on spline implementation
  * utils/libav: add `pl_map_hdr_metadata`
  * utils/libav: fix deprecated struct name
  * utils/libav: don't pollute namespace
  * renderer: disable peak detection with per-scene metadata
  * colorspace: refactor HDR levels fields
  * colorspace: add HDR10+ metadata to `pl_hdr_metadata`
  * common: add PL_MAX3

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Mon Feb 13 04:33:42 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+166~git20230212.e38753b:
  * shaders/custom: zero init hook allocation
  * utils/frame_queue: add missing ref count init
  * shaders/custom: properly release hook on error
  * tests: fix memory leak in pl_ycbcr_tests
  * opengl/context: disable SSBO on GLSL < 140
  * tests/lut: destroy pl_gpu_dummy when we are done
  * gpu: remove const in pl_tex_blit_compute
  * tests/opengl_surfaceless: test more versions
  * tests: use double for RANDOM_U8
  * utils/upload: silence scan-build warning
  * renderer: fix scan-build warning
  * opengl: also load ARB_program_interface_query

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Wed Feb 08 12:30:23 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+154~git20230207.72b2c02:
  * utils/upload: mask big-endian data from pl_recreate_plane
  * d3d11: do not leak IDXGIAdapter4
  * tests/libav: test support for big endian format mapping
  * vulkan/buf: refactor memory selection logic
  * tests/libav: test to make sure no avpixfmt crashes
  * utils/libav: don't crash on rgb565be or x2rgb10be
  * ci: update aarch64 image to jammy
  * tests/vulkan: fix bug when VK_KHR_surface is missing

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Fri Feb 03 06:50:00 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+146~git20230201.a76281c:
  * d3d11/utils: move return unknown outside switch
  * demos: update nuklear dep to 4.10.5
  * demos/sdlimage: add noreturn attr to uninit
  * demos/plplay: print values only if they are available
  * ci: rollback llvmpipe image to last known good version
  * ci: update jammy image to include d3d11 deps
  * d3d11/utils: suppress enum warning
  * tests/d3d11: skip test if CreateDXGIFactory1 fails
  * utils/libav: support big-endian formats
  * utils/upload: support uploading non-native endian data
  * tests: add test for pl_buf_copy_swap
  * gpu: add endian swapping helper function
  * vulkan: drop unneeded pl_dispatch object
  * d3d11: drop unneeded pl_dispatch object
  * gpu: use internal pl_dispatch for helper functions
  * gpu: add generic GPU-internal dispatch object
  * common: switch to PL_DIV_UP helper
  * common: add PL_DIV_UP helper
  * dispatch: specify SSBO binding points more liberally
  * opengl: properly set uniform block locations
  * common: add pl_require validation assist macro
  * gpu: outsource utility functions to gpu/utils.c
  * ci: update focal images to jammy
  * colorspace: add missing XYZ whitepoint adjustment
  * colorspace: clarify what format XYZ system is in API
  * utils: update dav1d and libav mappings
  * colorspace: add PL_COLOR_TRC_ST428 as defined in ST 428-1
  * shaders/colorspace: unconstify hi/lo variables

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Mon Jan 30 10:46:16 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+118~git20230129.cd71614:
  * d3d11: add emulated formats for rgb8, rgb16, rgb16hf and 16f
  * d3d11: add support for emulated formats
  * d3d11: add missing Buffer struct initialization for SRV/UAV buffers
  * colorspace: define white points with commonly used precision
  * dispatch: emit proper samplerBuffer type for int bufs
  * vulkan: add more verbose logging to tex creation failure
  * tests: add basic test for planar images
  * vulkan: add planar texture formats
  * vulkan: implement planar synchronization
  * vulkan: add support for planar formats
  * vulkan: minor code cleanup
  * gpu: add DRM modifiers for planar formats
  * gpu: increase size of texture name in format dump
  * gpu: add planar format API
  * gpu: relax pl_fmt_fourcc non-opaque restriction
  * gpu: delete unused left-over field
  * common: add PL_RSHIFT_UP helper
  * vulkan: add packed 16-bit formats
  * vulkan: properly mask more usage flags in pl_vulkan_wrap
  * vulkan: bikeshed pl_vulkan_wrap variable names
  * vulkan: fix pl_vulkan_wrap on non-2D textures

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Tue Jan 24 21:14:57 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+97~git20230124.371a0c1:
  * renderer: ignore alpha component when initializing neutral
  * tests: fix UB of converting out of range value to uint8_t

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Mon Jan 23 19:16:04 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+95~git20230123.90e2c92:
  * vulkan: allow importing planar textures
  * vulkan: support clearing planar textures
  * vulkan: support blitting planar textures
  * vulkan: parametrize image aspect
  * gpu: allow pl_tex_blit_compute on non-storable src
  * gpu: optimize pl_tex_blit_compute for 1-pixel blits
  * gpu: fix compute shader blit fallback
  * renderer: handle XYZ more gracefully
  * renderer: infer correct XYZ gamma/primaries
  * renderer: correctly re-linearize un-linearized linear inputs
  * colorspace: default to DCI-P3 for XYZ, not BT.709
  * colorspace: improve TRC default selection logic
  * utils/libav: fix whitespace
  * vulkan/swapchain: add missing queue family information
  * vulkan: add missing array termination

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Wed Jan 18 13:56:08 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+80~git20230118.9074fd7:
  * gpu: deprecate pl_sync and pl_tex_export
  * vulkan/swapchain: switch to pl_vulkan_release_ex
  * utils/libav: switch to new vulkan hold/release helpers
  * tests/vulkan: add interop API test
  * vulkan: refactor pl_vulkan_hold/release API
  * vulkan: add semaphore creation helpers
  * vulkan: refactor vk_tex_export to keep track of qf

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Tue Jan 17 06:59:55 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+73~git20230116.36afb4f:
  * dispatch: fix deprecation warning on ES GLSL >=3.0
  * dispatch: also enable GL_OES_EGL_image_external_essl3

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Sun Jan 15 20:36:15 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+71~git20230115.8299ec7:
  * renderer: fix unintentional sub-pixel distortions when cropping

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Sat Jan 14 23:43:49 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+70~git20230114.f9dacd3:
  * vulkan: fix typo in log message
  * glsl/glslang: use new GetDefaultResources() API
  * glsl/glslang: fix configure issue on recent glslang
  * vulkan: expose vkGetInstanceProcAddr in pl_vulkan

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Fri Jan 06 17:34:56 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+66~git20230106.d0f2e68:
  * renderer: invalidate cached image on crop change
  * renderer: minor code simplification

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Wed Jan 04 17:07:11 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+64~git20230104.8ca1a81:
  * tests/libav: add 64-bit pixfmt test
  * RELEASING: update bugfix release guidelines
  * tests/vulkan: disable GPU-assisted validation
  * utils/libav: only allocate host-cached AvFrames
  * utils/dav1d: only allocate host-cached Dav1dPictures
  * vulkan/buf: relax HOST_CACHED requirement for buffers
  * opengl: implement pl_gpu_limits.host_cached
  * vulkan: set host_cached cap
  * gpu: log host_cached cap
  * gpu: add pl_gpu_limits.host_cached
  * vulkan: report accurate buffer size limits
  * vulkan/malloc: add vk_malloc_avail()
  * tone_mapping: fix inferred default tone map param

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Tue Jan 03 16:38:20 UTC 2023 - llyyr.public@gmail.com

- Update to version 5.229.1+51~git20230103.41f7d6a:
  * opengl: do not blindly reject all Microsoft's OpenGL implementations
  * renderer: fix memory leak of pass.tmp

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Fri Dec 23 16:05:00 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+49~git20221223.22ce304:
  * docs: document BIND also working on buffer blocks
  * docs: fix missing `
  * docs: add documentation for custom shaders
  * shaders/custom: drop redundant comment
  * shaders/colorspace: improve PL_GAMUT_WARN algorithm
  * docs: add CNAME
  * docs: align initializers
  * docs: rename basic-rendering.md
  * docs: add pl_renderer tutorial
  * renderer: never use linear downscaling on HDR sources
  * docs: change colors
  * README: add link to documentation
  * github: add hook for documentation pages
  * docs: add basic documentation

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Sun Dec 18 14:58:55 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+35~git20221213.cbc3ef8:
  * vulkan/malloc: remove assertion
  * shaders/film_grain_av1: support >12-bit input samples

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Wed Nov 30 13:36:14 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+33~git20221121.7ead30d:
  * renderer: fix red channel plane merging

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Mon Nov 21 05:13:53 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+32~git20221119.9e9b935:
  * shaders/colorspace: don't explode on luma > 1000
  * shaders/colorspace: fix tone mapping desaturation

-------------------------------------------------------------------
Thu Nov 17 22:50:13 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+30~git20221117.fc6cf3a:
  * shaders/dithering: reduce unnessary code duplication
  * utils/upload: verbosely log plane misalignment failures

-------------------------------------------------------------------
Mon Nov 14 08:07:55 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+28~git20221112.27e38da:
  * shaders/film_grain: don't spam log on LUT invalidation
  * renderer: fix film grain bit depth after debanding
  * shaders: refcount pl_shader_obj inside pl_shader
  * opengl: don't try to use libdl on *BSD OS's
  * shaders/custom: split up into sub-files
  * demos/plplay: add support for tuning custom shaders
  * shaders/custom: allow referencing shader parameters in RPN exprs
  * shaders/custom: rename SHEXP_VAR_* to SHEXP_TEX_*
  * shaders/custom: rename szexpr to shexpr
  * shaders/custom: refactor szexpr code
  * tests: add shader parameter parsing tests
  * shaders/custom: add //!PARAM syntax to mpv hook shaders
  * shaders/custom: add support for tunable parameters
  * shaders/custom: remove stray whitespace
  * alloc: make pl_get_size take const ptr
  * string: add support for unsigned integer parsing
  * tests/libav: add test for AV_PIX_FMT_RGBF32LE
  * utils/libav: fix compatibility issue with >8-byte pixfmts
  * utils/upload: add pl_plane_data_from_comps
  * shaders/custom: fix custom shader input signature
  * shaders/custom: silently skip passes with unknown binds
  * shaders/custom: properly clean up pl_shader in error path
  * shaders/custom: fix //!SAVE MAIN
  * demos/glfw: Request and use an EGL context

-------------------------------------------------------------------
Thu Nov 03 16:50:12 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.1+4~git20221102.3d8a872:
  * shaders/colorspace: fix tone mapping params in place
  * tone_mapping: add pl_tone_map_params_infer
  * shaders/icc: accept too-wide ICC profiles
  * colorspace: add ACES ultra-wide gamuts
  * shaders/icc: guard against very odd/broken profiles
  * shaders/icc: also warn on NaN results
  * shaders/icc: only warn on unusual profiles
  * vulkan/swapchain: explicitly wait for queues to be idle
  * renderer: properly scale ortho first pass

-------------------------------------------------------------------
Sun Oct 30 15:21:41 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.229.0+2~git20221030.33cd9cb:
  * shaders/sampling: add tolerance to ortho2 scaling check
  * renderer: properly round scaling ratios

-------------------------------------------------------------------
Thu Oct 27 23:16:38 UTC 2022 - llyyr.public@gmail.com

- Update to version v5.229.0+0~git20221026.1544b07:
  * shaders/sampling: refactor pl_shader_sample_ortho
  * vulkan: don't assume host ptr imports are host mappable

-------------------------------------------------------------------
Wed Oct 26 18:50:05 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.228.0~rc2+5~git20221026.e07f223:
  * 3rdparty/glad: update to v2.0.1
  * opengl: fix MemoryBarrier undef location
  * opengl: work around llvm/mingw macro conflict
  * meson: fix / operator consistency
  * vulkan/meson: actually test include dir

-------------------------------------------------------------------
Sat Oct 22 12:07:51 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.228.0~rc2+0~git20221021.bb6bdd3:
  * 3rdparty/glad: bump to v2.0.0
  * opengl/context: rework static mutex
  * 3rdparty/glad: update to pull in new mx API
  * opengl/context: don't double-load GL and GLES
  * opengl/context: drop `gl_loaded` bool
  * opengl/context: conditionally unload EGL
  * opengl: factor out OpenGL ES check
  * tests/opengl_surfaceless: set get_proc_addr explicitly
  * opengl: implement GL_EXT_EGL_image_storage
  * opengl: use mutex to guard internal glad loader
  * thread: add static mutexes
  * thread: document API better

-------------------------------------------------------------------
Thu Oct 20 10:41:08 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.228.0~rc1+12~git20221019.a45c37c:
  * shaders/deinterlacing: fix field calculation
  * shaders/deinterlacing: fix differences to C yadif
  * vulkan: explicitly disallow full screen exclusive mode
  * vulkan/utils: add const to vk_link_struct signature
  * renderer: fix plane merging after deinterlacing
  * opengl: unload internally loaded functions
  * opengl: implement get_proc_addr_ex for EGL
  * renderer: minor logic cleanup

-------------------------------------------------------------------
Sun Oct 16 10:19:51 UTC 2022 - llyyr.public@gmail.com

- Update to version 5.228.0-rc1+4~git20221015.7d3557b:
  * opengl: implicitly define the libdl dependency on Windows
  * 3rdparty: drop mako
  * vulkan/utils_gen: switch from mako to jinja2
  * shaders/icc: fix force_bpc cache signature
  * RELEASING: add release guide
  * demos/plplay: hook up pl_icc_params.force_bpc
  * shaders/icc: support forced black point linearization
  * shaders/icc: add missing comma
  * shaders/lut: fallback to texture() on older GLSL
  * shaders/lut: move sh_lut here
  * shaders: don't prefer literals for linear LUTs
  * shaders/sampling: always use textures for polar LUTs
  * tone_mapping: fix pl_tone_map_params_noop + inverse
  * opengl: minor cosmetic change
  * README: update opengl dependencies
  * renderer: make deband shader mergeable

-------------------------------------------------------------------
Mon Oct 10 00:56:19 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+167~git20221009.93a01c7:
  * renderer: re-use plane shaders when not scaling
  * renderer: delay plane shader execution
  * renderer: perform debanding first

-------------------------------------------------------------------
Thu Oct 06 20:12:40 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+164~git20221005.35cbea8:
  * renderer: rename 'pts' to 'rts'
  * vulkan/command: coalesce semaphore signal operations
  * vulkan/context: fix queue family selection
  * renderer: suppress warning
  * renderer: cleanup unneeded parameter
  * colorspace: ignore PQ minimum luminance

-------------------------------------------------------------------
Thu Sep 29 19:30:26 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+158~git20220928.deccd2c:
  * utils/libav: don't auto-apply DV that requires EL
  * utils/libav: test for <vulkan.h> dynamically

-------------------------------------------------------------------
Tue Sep 27 04:25:07 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+156~git20220926.c7da37a:
  * demos/plplay: update for new render_info API
  * renderer: refactor pl_render_info
  * shaders/dithering: fix error diffusion bounds check
  * d3d11: build stubs on supported platforms
  * opengl: build stubs unconditionally
  * vulkan: build stubs unconditionally
  * thirdparty: meson: bundle vulkan headers
  * vulkan: fix left-over printf warning
  * vulkan: fix 32-bit printf warnings when printing semaphores
  * vulkan: properly wrap dispatchable handles into uint64_t
  * vulkan: fix vulkan.h version check
  * shaders/dithering: work around d3d11 shader compiler bug
  * meson/demos: minor simplification
  * meson/d3d11: minor refactor
  * meson/opengl: refactor 'opengl-loader'
  * meson/vulkan: refactor `vulkan-link`
  * meson: split tests off into separate meson.build
  * meson: miscellaneous minor refactors
  * meson: split d3d11 off into separate file
  * meson: split off glsl into separate file
  * meosn: split opengl off into separate file
  * meson: split off vulkan-related checks
  * meson: refactor/remove components system
  * meson: move various global definitions to top level

-------------------------------------------------------------------
Wed Sep 21 00:10:22 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+132~git20220920.d32990b:
  * shaders/dithering: support gamma-correct dithering
  * demos/plplay: add error diffusion GUI option
  * renderer: support error diffusion dithering
  * tests: test error diffusion
  * shaders/dithering: add error diffusion shader
  * shaders/dithering: split off from shaders/colorspace.h
  * dispatch: default constants to 1 instead of 0
  * glsl/glslang: move resources declaration to C file
  * shaders/icc: switch to tetrahedral interpolation
  * shaders/lut: switch to tetrahedral interpolation
  * shaders: add support for tetrahedral interpolation
  * shaders: remove broken texelFetch fallback
  * shaders: generalize sh_lut interpolation method
  * shaders: clean up sh_lut API and usages

-------------------------------------------------------------------
Tue Sep 13 05:43:13 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+118~git20220911.9e8cf59:
  * shaders/icc: add 3DLUT caching API
  * shaders/icc: fix LUT signature check
  * renderer: fix icc params compat check

-------------------------------------------------------------------
Mon Sep 12 08:35:36 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+115~git20220909.a496c2f:
  * gpu: fix validation of opaque formats
  * tests/bench: add deinterlacing benchmarks
  * demos/plplay: hook up deinterlacing options
  * tests: add deinterlacing test
  * utils/frame_queue: add deinterlacing support
  * renderer: add support for deinterlacing
  * tests: update for frame_duration field deprecation
  * demos/plplay: update for frame_duration field
  * utils/frame_queue: move frame duration to pl_source_frame
  * utils/frame_queue: refcount frame entries
  * shaders/deinterlacing: add deinterlacing GPU shaders
  * demos/plplay: allocate extra hw frames
  * demos/plplay: properly compute mix radius
  * tests: fix pl_queue frame scheduling
  * vulkan/context: suppress SemaphoreCount warnings
  * tone_mapping: implement pl_find_tone_map_function

-------------------------------------------------------------------
Thu Sep 01 20:12:59 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+99~git20220830.0ce3fa4:
  * d3d11: fix documentation
  * colorspace: force max > min after inferring
  * colorspace: infer BT.1886 contrast based on target

-------------------------------------------------------------------
Mon Aug 29 14:46:02 UTC 2022 - llyyr.public@gmail.com

- Update to version 4.208.0+96~git20220828.7159093:
  * shaders/custom: fix build with gcc 5 and earlier
  * config.h: detect support for enumerator attributes
  * config.h: add __has_feature compat shim
  * colorspace: default HDR to true black
  * renderer: hook up pl_deband_params.grain_neutral
  * shaders/sampling: avoid adding deband grain near black
  * shaders/sampling: refactor debanding implementation
  * shaders: add misc helper functions
  * swapchain: don't send invalid HDR swapchain hints
  * gpu: add debug prints to specialization constant values

-------------------------------------------------------------------
Tue Jul 19 14:19:18 UTC 2022 - llyyr <llyyr.public@gmail.com>

- Update libplacebo to version 4.208.0. See details in:
    https://code.videolan.org/videolan/libplacebo/-/tags/v4.208.0

-------------------------------------------------------------------
Fri Jul  1 10:59:49 UTC 2022 - Enrico Belleri <idesmi@protonmail.com>

- Update libplacebo to version 4.208.0-rc1. See details in:
    https://code.videolan.org/videolan/libplacebo/-/tags/v4.208.0-rc1
- Update nuklear.h to 4.9.6

-------------------------------------------------------------------
Thu Feb  3 15:59:08 UTC 2022 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 4.192.1. See details in:
    https://code.videolan.org/videolan/libplacebo/-/tags/v4.192.1

-------------------------------------------------------------------
Sun Jan 30 17:08:01 UTC 2022 - Enrico Belleri <idesmi@protonmail.com>

- Update nuklear.h to 4.9.5
- Add dav1d dependency

-------------------------------------------------------------------
Wed Jan 19 12:10:24 UTC 2022 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 4.192.0. See details in:
    https://code.videolan.org/videolan/libplacebo/-/tags/v4.192.0
- Add libunwind dependency
- Bump meson dependency version to match upstream

-------------------------------------------------------------------
Tue Sep  7 09:09:22 UTC 2021 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 4.157.0:

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

-------------------------------------------------------------------
Fri May  7 09:51:50 UTC 2021 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 3.120.3:

This minor release fixes a number of regressions surrounding memory
imports and DRM modifiers, specifically aimed at issues that arose with
mpv's --hwdec=vaapi.

Changes:
- `pl_fmt.modifiers` now always includes DRM_FORMAT_MOD_INVALID on
   OpenGL, which instructs the implementation to not specify modifiers
- passing a DRM modifier not in the list of supported modifiers is now
  considered a hard error, to rule out non-working hwaccel formats

Fixes:
- fix a crash when using sampling shaders on textures with unknown formats
- fix improperly specified SDL header imports in the demos
- fix an issue where the vulkan texture handle capabilities were testing
  for presence of the wrong extension
- fix an issue where non-enabled DRM modifier structs were accidentally
  linked into the pNext chain, causing issues with some drivers

-------------------------------------------------------------------
Mon Apr 19 08:27:57 UTC 2021 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 3.120.2:

This minor release fixes a number of additional bugs related to the
thread queue, included demos, included helpers, and build system.

Changes:
- replace the `shaderc` library checks by pkg-config checks
- `pl_dispatch` no longer grows infinitely, but prunes stale cache
  entries after a certain threshold
- improve logging of GPU capabilities (including format capabilities)

Fixes and performance improvements:
- fix a typo on an error message
- fix a use-after-free edge case in `plplay`
- filter out Infinity, NaN and other values from fps/vps estimates
- add several warnings for suspected frame queue API misuses
- fix a crash when combining pl_render_image_mix with cropped frames
- fix a crash on AV_PIX_FMT_NONE in the libav helpers
- fix the loading of overlays in the `sdlimage` demo
- fix a number of potential overflows on 32-bit platforms
- omit redundant identity matrices in pl_shader_decode_color
- fix crash in frame queue with certain out-of-order PTS sequences
- add missing link to vulkan dependency in the `video-filtering` demo
- correctly shift overlays when drawing to subsampled YCbCr planes
- add missing check for PL_GPU_CAP_CALLBACKS in `utils/{libav,dav1d}.h`
- improve handling of asynchronous texture uploads in `utils/libav.h`

-------------------------------------------------------------------
Tue Apr  6 06:57:44 UTC 2021 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 3.120.1:

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

-------------------------------------------------------------------
Fri Apr  2 13:21:38 UTC 2021 - Niklas Haas <obs@haasn.xyz>

- Update libplacebo to version 3.120.0. (Upstream changelog appended)
- Create a new package `plplay` for the included demo program. This requires
  bundling a copy of `nuklear.h`, which is single-header library not included
  as part of the libplacebo source distribution.

This is a feature release, introducing frame mixing, DRM format
modifiers, and support for custom LUTs -, while also greatly expanding
the available demo programs, in particular the `plplay` video player.

The main highlight is the new `pl_queue` abstraction living in
<libplacebo/utils/frame_queue.h>. This greatly simplifies the core of a
libplacebo-based video renderer by translating a stream of input frames
into an array of GPU-mapped textures suitable for frame mixing, given a
corresponding vsync timestamp. New frames can be delivered to this API
using a push or pull model, and they are lazily uploaded on an as-needed
basis as well as internally garbage collected when no longer needed.
This abstraction also contains all needed machinery for estimating
source/display framerates by comparing and averaging timestamps, freeing
users from the burden of having to accurately determine this information
a priori.

Also worth mentioning is the addition of support for custom LUTs,
currently only in Adobe's .cube format. They can be applied flexibly at
a number of locations in the video processing pipeline, including as a
replacement for YUV<->RGB conversion or tone/gamut mapping, and fed with
either normalized linear light or native-gamma values.

Among the included demo programs, the `plplay` example video player has
been greatly expanded - adding support for a settings GUI (based on
nuklear), frame timing and mixing, custom shaders, and more. This
example video player now serves as a convenient platform to demonstrate
all of libplacebo's advanced rendering features.

Finally, all of libplacebo now contains only code written entirely from
scratch (rather than deriving from mpv), opening up the possibility to
explore different licenses besides the current LGPLv2.1+. In particular,
permissive (MIT/BSD-style) licenses are being considered.

Additions:
- add asynchronous GPU callbacks, specifically to `pl_tex_transfer`,
  allowing for non-blocking host memory transfer operations
- add `pl_shared_mem.stride_w/h` to control dmabuf pitch
- add `pl_render_image_mix` to blend multiple frames into a single
  output image, given relative timestamp information
- add the `pl_filter_mitchell_clamp` filter preset
- add `pl_render_params.preserve_mixing_cache` to speed up redraws after
  renderer size changes when frame mixing is active
- add <libplacebo/utils/dav1d.h> to help with Dav1dPicture mapping
- implement `PL_HANDLE_HOST_PTR` for the OpenGL backend
- implement drm format modifiers for vulkan
- add a new field `pl_fmt.modifiers` for DRM format modifier negotiation
- add new header <libplacebo/shaders/lut.h> to load custom LUTs
  (currently only supporting the .cube format)
- add `index_data/buf` to `pl_pass_run_params`, adding support for
  indexed vertex data when dispatching shader passes
- add `pl_dispatch_vertex` to allow dispatching fragment shaders using
  a list of custom vertices with custom vertex attributes
- add `pl_frame_recreate_from_avframe` and `pl_download_avframe` to help
  downloading GPU textures back into AVFrame form
- add a new header <libplacebo/utils/frame_queue.h> to assist in taking
  a stream of (Frame, PTS) pairs as well as a list of VSync times and
  turning them into a stream of `pl_frame_mix` structs
- add `pl_white_from_temp` and `pl_color_adjustment.temperature` to
  apply white point adjustments between correlated color temperatures (K)
- add `pl_filter_preset.description` containing a longer, human-readable
  name for a given filter preset

Changes:
- `pl_3dlut_params` has been renamed `pl_icc_params`
- `pl_render_params.force_3dlut` has been renamed `force_icc_lut`
- `pl_3dlut_update/apply` have been renamed to `pl_icc_update/apply` and
  moved to a (conditionally installed) new header <libplacebo/shaders/icc.h>
- `pl_upload_plane` no longer initializes `out_plane->shift_x/y` to 0,
  instead leaving them unmodified (to avoid clobbering existing shift data)
- `pl_filter_box` has been renamed to `pl_filter_nearest`
- `pl_filter_triangle` has been renamed to `pl_filter_bilinear`
- `pl_render_params.frame_mixer = NULL` now disables frame mixing - to
  get back the old behaviour, set this to `&pl_oversample_frame_mixer`.
- `pl_color_map_params.gamut_warning` now highlights out-of-gamut colors
  in bright pink, rather than the old (ill-defined) inversion behaviour
- `pl_named_filter_config` has been renamed to `pl_filter_preset`
- `pl_find_named_filter` has been renamed to `pl_find_filter_preset`
- ditto for `pl_named_filter_function` and `pl_filter_function_preset`

Fixes and performance improvements:
- fix buffer overflow in custom shader STORAGE blocks
- fix include path for glslang >= 11.0.0
- actually enable shader subgroup operations for HDR peak detection
- fix locale dependence of shader parsing primitives
- fix AVCOL_SPC_SMPTE170M mapping
- fix wrong color space selection in `pl_vulkan_create_swapchain`
- work-around low UBO size limits on some platforms
- fix compilation issues on C++ due to the use of reserved identifiers
- fix `pl_get_detected_peak` on platforms without host-visible SSBOs
- fix edge case in vulkan texture handle capabilities check
- fix suboptimal mutex destruction code
- skip peak detection when outputting to HDR displays
- fix edge cases in shader LUT type selection logic
- avoid redundant scaling passes when scaling anamorphic content
- merge similar planes before dispatching heavy shaders (e.g.
  debanding, hooks)
- avoid scaling passes for certain small fractional scaling steps
- entirely avoid processing unneeded components when dispatching scalers
- avoid using more components than necessary for intermediate FBOs
- fix out-of-bounds read for small non-cropped emulated textures
- avoid thrashing the shader cache when reinitializing OpenGL FBOs
- fix incorrect include in <libplacebo/opengl.h>
- fix vk.xml priority issue on windows
- fix undefined behaviour / GPU hangs in HDR peak detection shader
- fix incorrect forwarding of DRM modifiers to the OpenGL backend
- fix crash on AV_PIX_FMT_FLAG_BAYER
- fix various compilation issues on certain platforms
- fix obscure edge-case in floating point printing routine
- `pl_render_params.force_icc_lut` now excludes no-op cases
- fix handling of custom shader COMPUTE blocks
- correctly apply hue and saturation controls for non-YCbCr color spaces

-------------------------------------------------------------------
Fri Jan  1 19:37:02 UTC 2021 - Mia Herkt <mia@0x0.st>

- Update to version 3.104.0
This is a major release, introducing many new features and
modifications. Most importantly, libplacebo now interoperates well
with FFmpeg's libav* abstractions. This is primarily exposed via a
new set of helpers, <libplacebo/utils/libav.h>, implemented as a
single header library. In addition to this, a number of other
supporting changes have been made to the API, most notably the
unification of `pl_image` and `pl_render_target` into a single
`pl_frame` concept, similar in spirit to AVFrame. As such,
libplacebo now supports **rendering to planar targets**, including
subsampled YCbCr.

Besides the libav* compatibility changes, this release also brings
with it a new feature for custom shaders: buffer blocks, and
persistent storage. This can be used by third parties to implement
stateful shaders (e.g. motion interpolation or temporal
deinterlacing), or be leveraged to speed up some shaders by
combining multiple passes into one.

Finally, various import/export procedures have been expanded,
including the ability to import host pointers and real-world
DMABUFs.

Additions:
  * add `pl_memory_qualifiers`, plus a corresponding
    `pl_shader_desc.memory`, to allow attaching GLSL memory
    qualifiers (coherent, volatile etc.) to shader descriptors
  * add functions `pl_dispatch_save` and `pl_dispatch_load` to
    allow saving/restoring the contents of an entire
    `pl_dispatch`'s cache
  * add functions `pl_renderer_save` and `pl_renderer_load` to
    allow saving/restoring the contents of an entire
    `pl_renderer`'s cache
  * add `pl_vulkan_swapchain_params.prefer_hdr`, which will cause
    the surface format selection logic to try HDR output formats
    first
  * add `pl_buf_copy` to copy from one buffer to another
  * add `pl_get_detected_peak`, to read back the result of peak
    detection
  * add `pl_primaries_superset` to test if one set of primaries is
    fully enclosed by another
  * add `pl_color_map_params.gamut_clipping`, which will
    colorimetrically clip any out-of-gamut colors by desaturating
    them towards neutral gray until they're in-gamut, rather than
    clipping per channel as before
  * add `PL_GPU_CAP_SUBGROUPS` and `pl_gpu_limits.subgroup_size`,
    to expose GLSL subgroup functionality via the `pl_gpu`
    interface
  * add `pl_gpu_is_failed`, to query at a high level whether the
    `pl_gpu` is in some internal failure state. GPUs in this state
    should be recreated, using the appropriate mechanism
  * add `pl_shader_custom`, to allow injecting arbitrary custom
    GLSL code into a `pl_shader`.
  * add `pl_buf_params.import_handle` to allow importing buffers
  * add `PL_HANDLE_HOST_POTR`, to allow importing arbitrary host
    pointers
  * add `pl_pass_run_params.vertex_buf`, to allow drawing vertex
    data directly from a `pl_buf`, guarded by
    `pl_gpu_limits.max_vbo_size`
  * add `_COUNT` members to all public enums, for consistency
  * add `pl_shared_mem.drm_format_mod`, to allow communicating
    DRM format modifiers when importing/exporting textures
  * add support for importing DMABUFs via EGL, via the new fields
    `pl_opengl_params.egl_display/context`
  * add `pl_fmt.fourcc` to facilitate mapping between `pl_fmt` and
    DRM
  * add the missing `pl_var_*` helpers, for consistency
  * add `pl_plane_data_align` to help with aligning
    `pl_plane_data` structs to byte boundaries
  * add support for STORAGE textures in user shaders, which can be
    used to persist data across separate invocations of the shader
  * add support for BUFFER blocks in user shaders, which can be
    used to create UBOs or SSBOs for use inside shaders, the latter
    of which can also persist across frames and be used to store
    persistent state
  * add PL_COLOR_PRIM_EBU_3213 and PL_COLOR_PRIM_FILM_C
  * add a new header <libplacebo/utils/libav.h>, containing a
    variety of helper functions for interoperating between libav*
    and libplacebo
  * add `demos/plplay.c` to serve as a demonstration of how to make
    a trivial playback loop with libavcodec and libplacebo
  * add `pl_sample_src.component_mask` to allow sampling an
    arbitrary subset of the available components from a plane
  * add `pl_frame_is_cropped` and `pl_frame_clear` to assist in
    properly clearing frames before rendering to them
  * add `pl_tex_poll` to assist in interoperating with some
    external APIs
  * add `pl_render_params.blend_params` to allow blending the final
    output

Changes:
  * remove `pl_image.signature` and
    `pl_render_params.skip_redraw_caching`
  * change vulkan surface format selection to prioritize formats by
    'score', preferring higher depth integer formats
  * `pl_fmt` may now have PL_FMT_CAP_STORABLE even when
    `glsl_format` is NULL, in which case formatless image storage
    must be used
  * `pl_buf_read` no longer requires `buf_offset` be a multiple of
    4
  * `pl_buf_*` commands are now synchronized internally:
  * `pl_buf_write` and `pl_buf_read` now block while the buffer is
    in use Note: for this reason, `pl_buf_write` should not be used
    in loops
  * `pl_tex_upload/download` may now be called on in-use buffers
  * allow `pl_dispatch_compute` on shaders with outputs, including
    the ability to automatically determine the number of work
    groups based on the shader output resolution
  * remove `pl_buf_params.type`, and the concept of buffer types in
    general. `pl_buf` is now a generic catch-all for any type of
    buffer, with individual capabilities in `pl_buf_params`
    determinig what type of shader operations it can be used for
  * relax the alignment requirements on `pl_tex_transfer_params`
  * change `pl_opengl_wrap_params` to allow directly importing
    framebuffers in addition to textures
  * rename `pl_color_levels` members for clarity
  * make `pl_opengl` ignore software rasterizers by default, unless
    the new field `pl_opengl_params.allow_software` is set
  * add `pl_av1_grain_params.luma_comp` to allow drawing the luma
    component from a channel with nonzero index
  * `pl_renderer` now supports rendering to planar targets,
    including subsampled targets
  * `pl_image` and `pl_render_target` have been removed and unified
    into a single `pl_frame` concept
  * remove `pl_tex_params.sample_mode/address_mode` and move them
    to `pl_desc_binding` instead, to decouple them from texture
    creation
  * refactor the signature of `pl_tex_blit`

Fixes and performance improvements:
  * fix an oversight where `pl_buf_destroy` delayed some buffer
    destructions unnecessarily
  * fix a limitation where `pl_tex_destroy` sometimes delayed
    destroying textures unnecessarily
  * improve the performance of `pl_dispatch`'s code for assembling
    UBOs
  * improve the performance of `pl_shader_av1_grain` by switching
    from SSBOs to texture LUTs, also improving compatibility with
    older GL
  * improve the performance of `pl_shader_detect_peak` on GPUs with
    access to subgroups operations
  * fix an issue where reinitializing shader state objects with
    different settings sometimes resulted in undefined behaviour
  * fix some GLSL backwards compatibility issues
  * slightly cut down on unnecessary image layout transitions
  * add some miscellaneous debug print-outs, and improve the
    legibility of some existing log messages
  * fix an issue where freeing buffer variables from shader
    descriptors could result in use-after-free
  * add support for vulkan memory imports requiring dedication
    allocations
  * slightly improve, and fix, the vulkan memory placement logic
  * significantly improve the performance of `pl_tex_download` by
    importing the target host pointer directly
  * improve the performance of small LUTs, especially for the
    non-compute polar fallback path
  * prevent `pl_renderer` from unneccessarily applying a 3DLUT when
    both the input and output frames have the same ICC profile
  * fix the behaviour of partially specified `pl_bit_encoding`
    structs
  * fix the component ordering on some odd packed vulkan formats
  * fix an issue where `pl_plane_data_from_mask` broke for high bit
    depths
  * make `pl_renderer` consult the dither bit depth from the
    texture precision, if absent from `pl_bit_encoding`
  * fix the behaviour of `pl_renderer` when sampling from textures
    with swapped component orders
  * fix the implementation of PL_COLOR_SYSTEM_BT_2100_HLG
  * fix some issues relating to missing includes
  * enforce legality of image usage parameters on `pl_vulkan_wrap`
  * fix an undesired shader double-compilation when using
    orthogonal scalers with subsampled chroma planes
  * fix an issue where application of a 3DLUT cleared the alpha
    channel
  * add a missing extension to `pl_vulkan_recommended_extensions`
  * fix the plane alignment code for oddly sized subsampled chroma
  * fix the poor precision of `pl_shader_dither` for high bit
    depths
  * fix several possible overflows in the BT.2390 shader
  * fix a bug where using a polar sampler to draw a scaled overlay
    onto a non-storable target neglected to disable compute shaders
  * fix a bug where the renderer could sometimes alias when
    downscaling, in particular if both the upsampler and
    downsampler are set to bicubic
  * improve performance of scalers by avoiding bilinear filtering
  * reduce verbosity of memory allocations
  * fix missing PL_FMT_CAP_BLENDABLE on opengl fbos
  * significantly improve precision of float literals in shaders
  * add better error checking to gl_pass_create

-------------------------------------------------------------------
Sun Nov 22 03:24:14 UTC 2020 - Mia Herkt <mia@0x0.st>

- Update to version 2.72.2
This hotfix release fixes an additional glslang linking/build issue
that was missed in v2.72.1.

Bug fixes:
  * fix linking issue with some installations of glslang >= 11.0.0

Changes for 2.72.1:
This release backports a number of bug fixes from master affecting
the v2.72.0 release, most notably extending the range of supported
glslang versions, as well as fixing the 3DLUT/ICC generation code.

Bug fixes:
  * compatibility with glslang >= 8.13.3743
  * compatibility with new glslang semantic versioning scheme
  * fix broken shaders on some versions of GLES by defaulting to
    32-bit precision for floating point math
  * fix the vulkan API version passed to shaderc
  * fix the extension check for glInvalidateTexImage
  * fix pl_tex_create on older GLES versions
  * fix OpenGL logging thread safety
  * fix undefined memcmp() in pl_shader_av1_grain
  * fix pl_render_target.repr being ignored by pl_render_image
  * fix 3DLUT generation code (generated corrupt LUTs in all cases)
  * fix symbol visibility on some versions of GCC
  * fix potential overflow in BT.2390 shader
  * properly restrict pl_shader_sample_polar to GLSL >= 130
  * fix vulkan function loading of promoted core functions

Other changes:
  * tiny performance gain in 3DLUT generation
  * pl_opengl_create now logs GL_EXTENSIONS
  * log some additional VkResult enum members
  * improve several vulkan log messages by using friendly names of
    enums
  * add a copy of the config.h variables to the libplacebo.pc file

-------------------------------------------------------------------
Sun Jun 14 15:37:17 UTC 2020 - Mia Herkt <mia@0x0.st>

- Update to version 2.72.0
This is a major release with several key additions, most notably
being the support for custom, mpv-style "user shaders" (.hook),
giving us access to a large variety of pre-existing user shaders
such as RAVU, FSRCNNX, Anime4K, SSimSuperRes, KrigBilateral,
NNEDI3, and more.

In addition to this, major additions include a completely
refactored and fixed AV1 grain generation shader, support for
Vulkan versions higher than 1.0, support for GPU-based timers,
and improved interop APIs for both Vulkan and OpenGL, and new
and improved aspect ratio handling.

Finally, this release also brings with it a major change to the way
HDR and SDR content are mapped between each other, including a new
tone-mapping function based on the industry-standard
ITU-R BT.2390 EETF.

Additions:
  * add pl_swapchain_hdr_metadata, to set HDR metadata on supported
    swapchains (currently only vulkan with VK_EXT_hdr_metadata)
  * add support for vulkan versions higher than 1.0, communicated
    via the new fields api_version and max_api_version
  * add support for GPU-assisted validation and best practices
    layers, via the new field pl_vk_inst_params.debug_extra
  * add helper functions for working with pl_rects, including new
    aspect ratio handling helpers (pl_rect2df_aspect_*)
  * add field pl_vulkan_params.device_uuid to allow choosing the
    vulkan device by its UUID
  * add function pl_vulkan_hold_raw, to hold images without
    actually transitioning its layout and access mode
  * add function pl_vulkan_import, to allow directly re-using an
    existing VkDevice rather than creating a new one; this requires
    communicating metadata about how the device was created
  * add field pl_vulkan_params.features to allow loading optional
    extra device features at device creation time
  * add support for mpv-style custom user shaders (.hook),
    using the set of functions in <libplacebo/shaders/custom.h>
  * add pl_render_high_quality_params, enabling debanding and
    EWA scaling
  * add pl_timer GPU resource type and associated API functions,
    allowing the GPU execution time of shaders and texture transfer
    operations to be measured directly
  * add PL_SHADER_SIG_SAMPLER, allowing generated sampling shaders
    to directly accept the sampler to use as function parameters
  * add pl_image_set_chroma_location to automatically apply the
    correct chroma location to any subsampled planes
  * add PL_TONE_MAPPING_BT_2390, a tone mapping function based on
    the EETF from ITU-R Report BT.2390 (and make it the default)
  * add pl_peak_detect_params.overshoot_margin to help combat
    clipping on certain types of rapid scene fade-ins
  * add pl_sampler_type to allow encoding non-standard sampler
    types such as sampler2DRect, and also generalize samplers to
    allow e.g. usampler2D or isampler3D
  * add pl_opengl_wrap and pl_opengl_unwrap, to allow directly
    mapping between OpenGL textures and the pl_tex abstraction

Changes:
  * deprecate pl_image.width/height, which are now inferred
    automatically from the actual planes
  * pl_vulkan_wrap now takes a pl_vulkan_wrap_params struct
    instead of directly accepting its parameters, including new
    fields sample_mode and address_mode to configure the created
    sampler
  * change pl_dispatch_compute to allow optionally passing in a
    simulated framebuffer width/height, which will be used to
    translate vertex attributes (if any)
  * undefine disabled config.h features, instead of defining them
    as 0
  * remove debanding from pl_render_default_params
  * refactor HDR<->SDR mapping; PL_COLOR_REF_WHITE has been removed
    and replaced by PL_COLOR_SDR_WHITE (203 cd/m^2)
    and PL_COLOR_SDR_WHITE_HLG (75% HLG), respectively
  * completely refactor pl_shader_av1_grain`, which now samples
    directly from the passed texture rather than requiring the
    color be pre-sampled
  * pl_render_image now infers the image primaries based on
    resolution, rather than always hard-coding
    PL_COLOR_SPACE_UNKNOWN as BT.709
  * change pl_render_target.dst_rect from pl_rect2d to pl_rect2df,
    allowing more accurate aspect ratio handling, and correctly
    compensate for subpixel scaling ratios
  * require python3-mako as a dependency of the vulkan feature
  * pl_chroma_location_offset now treats PL_CHROMA_UNKNOWN as
    PL_CHROMA_LEFT, the de-facto standard chroma location
  * the default value of pl_color_map_params.tone_mapping_algo
    is now PL_TONE_MAPPING_BT_2390

Fixes and performance improvements:
  * fix shader generation when the GLSL version is explicitly
    overridden
  * properly mark some shader failures (pl_shader_is_failed)
  * fix texture invalidation on OpenGL
  * correctly respect pl_swapchain_frame.flipped in
    pl_render_target_from_swapchain
  * correctly validate descriptor uniqueness in pl_pass_create
  * skip redundant matrix multiplication in pl_shader_encode_color
    wherever possible
  * work around driver bugs w.r.t out-of-order buffer offsets by
    sorting all buffer variables by offset
  * fix edge cases in vulkan swapchain usage flag checks
  * fix excessive CPU usage in pl_tex_download
  * reduce the number of unnecessary GPU flushes caused by
    pl_buf_poll
  * fix issue where blending did not work on some drivers
    (e.g. nvidia)
  * make the framebuffer discard check more aggressive
  * fix computation of anti-aliased resizable orthogonal filters,
    e.g. when downscaling using pl_filter_lanczos
  * fix external image memory barriers for exclusive mode images
  * fix failure path of pl_swapchain_submit_frame
  * fix various GLSL compatibility issues with av1 grain generation
  * reduce maximum vulkan memory allocation slab size to conform to
    AMD recommendations
  * fix build error when lcms is not available
  * fix double-application of texture scale for e.g.
    10-bit content when using separable scalers
  * fix a multitude of bugs affecting av1 grain generation,
    especially for chroma planes
  * fix segfault on vulkan device oom
  * fix invalid shader generation on some platforms
  * fix a multitude of bugs, edge cases and subtle off-by-ones
    related to chroma scaling and plane alignment
  * add fallback code for edge case w.r.t chroma scaling and gpu
    resource exhaustion
  * correctly load VK_KHR_swapchain in all circumstances that
    require accessing its functions
  * minimize fbo usage inside pl_renderer, by re-using unused fbos
  * tweak the work group size for polar scaling to perform better
    on modern GPUs (tested on RDNA)
  * transparently upgrade fragment shaders to compute shaders on
    environments with async compute
  * pick a more reasonable size for the dummy gpu's
    max_group_threads
  * forbid 10-bit linear transfer functions from vulkan swapchains
  * fix segfault when re-executing previously failed shaders
  * fix swapchain creation errors on GLES 2
  * explicitly mark all shader resources as non-aliased
  * correctly specify shader storage buffers as coherent for
    shaders that require them
  * fix various memory barrier synchronization issues for opengl

-------------------------------------------------------------------
Wed May  6 04:56:38 UTC 2020 - Mia Herkt <mia@0x0.st>

- Update to version 2.43.1
This release backports a number of bug fixes from master affecting
the v2.43.0 release, and also slightly extends the range of
backwards compatibility with respect to vulkan-headers versions.
(This change is not on master, so this can be seen as a
compatibility release)

Bug fixes:
  * fix GLSL version checks when overriding GLSL versions with
    pl_shader_params.glsl
  * fix minor order-of-operations issue in AV1 grain synthesis
  * fix glInvalidate* backwards compatibility issue
  * fix compilation with older vulkan-headers (e.g. ubuntu 18.04)
  * fix a bug where pl_shader_encode_color sometimes uploaded and
    applied an identity matrix unnecessarily
  * work around upstream issues with MSL shader compilation by
    ensuring all buffer elements are sorted by offset
  * fix hypothetical edge case with swapchain image usages
    forbidden by the swapchain image format
  * fix an issue where blending overlays caused the rest of the
    image to be discarded

Other changes:
  * log the vulkan surface selection choices
  * log the overall library version on initialization
  * add a few more pl_gpu validation checks
  * significantly reduce the CPU consumpation of blocking texture
    downloads

-------------------------------------------------------------------
Thu Apr 23 00:10:37 UTC 2020 - Mia Herkt <mia@0x0.st>

- Add libepoxy to BuildRequires
- Enable test suite
- Update to version 2.43.0
The major highlight of this release is the introduction of a new
OpenGL backend, documented in <libplacebo/opengl.h>, which is also
the reason for the major version bump.

Apart from the addition of OpenGL support, this release brings with
it a large number of fixes for backwards compatibility with older
versions of GLSL and GLES, allowing libplacebo to be used to
generate legal shaders for virtually any GLSL version in existence.

Supporting these changes, the test framework has been expanded
considerably to allow for automated testing of older OpenGL context
versions and older GLSL versions.

Additions:
  * add pl_gpu.pci, containing the PCI address of the underlying
    GPU
  * add pl_image.av1_grain, allowing pl_renderer to add AV1 grain
  * add pl_opengl backend (see <libplacebo/opengl.h>)
  * add pl_color_levels_guess, to infer color levels from
    pl_color_repr
  * pl_shader_encode_color now handles non-linear color systems
  * add pl_render_params.force_dither, to force use of the dither
    code
  * add pl_render_params.disable_fbos, to forcibly disable FBOs
  * add pl_vk_inst_params.layers, to allow loading extra vulkan
    layers
  * add a way to restrict the maximum GLSL version provided by the
    various pl_gpu backends, for testing purposes

Changes:
  * load all vulkan function pointers indirectly, using a
    user-provided vkGetInstanceProcAddr function
  * vulkan can now be built without linking against libvulkan.so
  * refactor av1 grain data struct, splitting it up into
    "grain metadata" and "shader params"
  * pl_swapchain_resize now recreates suboptimal swapchains even
    if the size does not change
  * pl_tex_blit now requires the new cap PL_GPU_CAP_BLITTABLE_1D_3D
    for 1D/3D textures
  * pl_tex_params.host_readable now requires the new cap
    PL_FMT_CAP_HOST_READABLE on the chosen format
  * pl_vk_inst_create will now automatically load any layers needed
    for extensions specified by the user

Fixes and performance improvements:
  * make pl_color_adjustment.gamma actually do something
  * fix av1 grain shader for separated planes
  * fix memory corruption in pl_vulkan_swapchain_suboptimal
  * fix access mask on API writes to read-writable vulkan buffers
  * fix some instances of undefined behavior in av1 grain synthesis
  * fix av1 grain scale for PL_COLOR_LEVELS_UNKNOWN
  * fix use of local #include for config.h in installed headers
  * fix various incorrect literals for compatibility with older
    GLSL
  * fix potential type error in XYZ input handling
  * fix numerous backwards compatibility issues for older GLSL and
    GLES versions, across the board
  * quench some meson warnings, as well as some compiler warnings

-------------------------------------------------------------------
Tue Dec 24 15:21:06 UTC 2019 - Martin Herkt <9+suse@cirno.systems>

- Update to version 1.29.1

This is a minor bug fix follow-up, to address one major and two
minor issues with the v1.29.0 release.

Fixes:
  * segfault in the test framework on platforms without vulkan
  * error message spam when rendering to minimized/hidden windows
  * compilation on certain glslang versions

-------------------------------------------------------------------
Mon Dec 23 02:47:30 UTC 2019 - Martin Herkt <9+suse@cirno.systems>

- Update to version 1.29.0
  The key highlights of this release are the change of pl_gpu API
  semantics to use explicit erroring instead of implicit undefined
  behavior, and several important bug fixes related to swapchain
  resizing (in particular, handling of suboptimal swapchains);
  as well as other minor utility changes, bug fixes and performance
  improvements.

The new pl_gpu API allows clients to duplicate less code related
  to checking parameters and capabilities, as long as they're fine
  with the resulting error messages they might receive. In
  particular, libplacebo no longer aborts on invalid parameters -
  which helped during initial development, but is now suffocating
  clients more than it's helping.

Additions:
  * add a new field pl_fmt.internal_size, which can differ from
    texel_size for emulated formats
  * add 16f / 64f texture formats with host-emulated 32f
    representation
  * expose a pl_vulkan_choose_device helper function
  * add a mechanism for allowing the user to explicitly resize
    suboptimal swapchains rather than having libplacebo take care
    of it

Changes:
  * make pl_gpu log and error gracefully on illegal parameters
    rather than doing undefined behavior (i.e. aborting)
  * creating a host_mapped buffer now requires
    PL_GPU_CAP_MAPPED_BUFFERS
  * drop priv fields from public structs

Fixes and performance improvements:
  * make libplacebo slightly less log spammy in general
  * skip the creation/use of semaphores for single-queue usage
  * fix several bugs related to swapchain recreation and image
    acquisition
  * fix creation of non-renderable but storable vulkan textures
  * fix several bugs related to emulated texture downloads
  * fix pl_fmt capabilities for some emulated formats
  * fix stride/alignment of std430 vectors/matrices
  * use push constants more aggressively, whenever possible
  * slightly improve accurate of BT.2100 matrices
  * fix overzealous rotation of vulkan queues
  * fix dangling validation layer suppression in rare cases
  * fix possible swapchain deadlock on VK_SUBOPTIMAL_KHR
  * handle VK_SUBOPTIMAL_KHR more gracefully / efficiently

-------------------------------------------------------------------
Mon Oct 21 23:34:37 UTC 2019 - Martin Herkt <9+suse@cirno.systems>

- Update to version 1.21.0
  This is a minor / house-keeping release, mostly to get some
  important fixes into distros while also getting support for iGPUs
  requiring non-coherent memory into a "stable" release.

Additions:
  * shaders.h API users can now override the GLSL version
  * add support for vulkan platforms with non-coherent memory
    (e.g. iGPUs)

Changes:
  * default GLSL version is now 130 unless otherwise specified
  * signature of pl_shader_alloc now uses a params struct
  * PL_FIX_VER / PL_VERSION are no longer header constants
  * the renderer will now automatically adjust deband grain scale
    for HDR

Fixes and performance improvements:
  * on GLSL < 130, shaders now correctly use texture2D etc.
  * fix a bug where async transfer was never actually used, due to
    incorrect alignment checks
  * fixed some issues that could lead to symbol conflicts
  * don't require large vertex buffers be host-visible
    (usually impossible)
  * correctly detect swapchain image feature flags
  * turned a few 1ms busy loops into infinite waits
  * fix compilation on some platforms that require SPIRV-Tools
  * fix vkCreateEvent error spam on MoltenVK
  * bump queued command limit from 64 to 1024

-------------------------------------------------------------------
Tue Feb 26 01:20:30 UTC 2019 - Martin Herkt <9+suse@cirno.systems>

- Build with (preferred) shaderc now that it’s packaged in TW
- Update to version 1.18.0
  The major changes of this release include a new and completely
  overhauled HDR tone mapping algorithm, support for importing
  backing memory for textures and buffers (such as via dmabuf fds),
  as well as a swapchain resizing API that, among other benefits,
  allows libplacebo to function properly on Wayland.

There is also now support for generating CPU-backed "dummy
  resources" for things like lookup tables or convolution kernels,
  for users who prefer managing their own GPU resources.
  This allows pl_shader-level API users to access the full host of
  libplacebo shaders without being restricted the lack of a pl_gpu.

Additions:

* pl_color_space now has a sig_scale field, which allows
    modifying the signal range without affecting the transfer
    function's shape. (Effectively, by "stretching" it).
    This can be useful when dealing with HDR material encoded in a
    non-HDR curve such as linear light.
  * Add support for importing handles (including pl_sync objects
    and pl_shared_mem). Currently, only memory can be imported.
  * Add partial support for dmabuf fd interop. Currently does not
    support dma layout modifiers, so the usefulness of this feature
    is limited.
  * Allow importing external memory when creating textures.
  * Add a way to overexpose HDR material to bring its brightness up
    to more easily viewable levels.
  * Add pl_var_int to go alongside the other gpu.h helpers.
  * Add a way to create CPU-backed "dummy" instances of pl_gpu.
    These are not capable of compiling or executing any shaders,
    so they're only useful for users who want to generate and
    compile their own shaders.
    All GPU resources (textures, buffers) are backed by malloc.
  * Add a new field to pl_tex/buf_params allowing users to attach
    arbitrary references (void*) that libplacebo will ignore.
  * Add a function for changing the pl_context_params after
    creation.
  * Add a new API function for dealing with swapchain resize
    events. This function can be used to both query and update
    the swapchain size, based on the usage.
    Not all platforms support all operations.
  * Add new demo/skeleton based on GLFW.

Changes:

* Remove the hdr_simulation field from pl_color_map_params.
    Use signal_scale on the target color space instead.
  * Subdivide handle capabilities based on object type
    (texture vs buffer).
  * Completely redesign the HDR tone mapping algorithm.
    Most members of pl_tone_mapping_params have been updated,
    in particular the options related to desaturation and peak
    detection.
  * Split up the HDR peak detection API into a "detection" and
    "application" stage, which can run independently. This avoids
    the one-frame delay inherent with the previous API, and thus
    allows tone mapping to be frame perfect.
  * Remove superfluous field from pl_shader_reset left behind
    from a previous version of the API.

Fixes and performance improvements:

* Correctly apply the OOTF before performing linear colorspace
    operations on scene-referred content.
  * Avoid clipping when tone-mapping out of gamut content by tone
    mapping before gamut mapping.
  * Correctly reset the peak detection buffer state when running
    pl_renderer_flush_cache.
  * Correctly use the image's original color space as the reference
    space when the content is prelinearized by the renderer.
    Fixes some cases where libplacebo could end up defaulting
    PL_COLOR_TRC_AUTO to a suboptimal curve.
  * Correctly track the lifetime and ownership of individual vulkan
    buffer objects. Fixes some synchronization issues when
    attempting to use the same buffer from multiple different
    queue families.
  * Fix integer overflow on implementations with very large
    texture size limits.
  * Fix building against static libshaderc.

-------------------------------------------------------------------
Sun Dec 16 14:50:22 UTC 2018 - Martin Herkt <9+suse@cirno.systems>

- Remove baselibs.conf since nothing needs it
- Fix build due to missing shaderc, which is optional
- Switch to new upstream URL
- Update to version 1.7.0
  This release marks the first major release of libplacebo, in tune
  with the release of VLC 4, which will be the first major project
  using it. Apart from API stability going forwards, this release
  brings with it a new AV1 film grain shader, better
  interoperability between libplacebo and external APIs like CUDA
  (via shared buffers and shared textures), and ICtCp support.

While not strictly part of libplacebo, one of the highlights
  since the previous release includes the existence of a new
  example file demos/video-filtering.c which illustrates how one
  would use libplacebo to do GPU-based image filtering in something
  like FFmpeg or mpv.

Additions:

* Add a new function pl_gpu_finish which blocks until all
    oustanding rendering on this pl_gpu is finished.
  * Add new functions pl_tex_recreate and pl_buf_recreate, which
    work like pl_tex/buf_create but take a pointer to an existing
    tex/buf that will get destroyed + recreated only when necessary
  * Add a new function pl_shader_is_failed which will return true
    if a given shader is in a "failed" state. Shaders will be
    marked as failed on any internal/usage error, rather than them
    being silently ignored.
  * Add a new enum pl_channel to clarify and encode friendly names
    for the often-referenced "canonical channel order".
  * Add a new header libplacebo/shaders/av1.h which currently
    contains a function pl_shader_av1_grain for applying AV1 film
    grain on the GPU.
  * Add a new concept of an "exportable" object (buffers and
    textures). Exportable objects can be exported using a handle
    and imported into other foreign APIs such as CUDA.
    The new functions pl_buf_export and pl_tex_export must be used
    to correctly synchronize access to the object. This also adds
    new fields uuid and handle_caps to pl_gpu.
  * Supporting the previous feature, add a new field memory_type
    to pl_buf_params which can be used to influence what type of
    memory to allocate a buffer from. Currently only works for
    texture transfer buffers, since allocating uniform/storage
    buffers from non-VRAM makes little sense.
  * Add a new synchronization primitive wrapper, pl_sync, which
    wraps a semaphore pair and must be used to synchronize access
    to textures with external, asynchronous APIs.
  * Implement the ITU-R BT.2100 ICtCp color system. Since the
    libplacebo color systems are not strictly tied to any
    particular transfer function, we must explicitly mark which
    flavor of ICtCp is meant.
  * Add a new field instance_params which can be used to influence
    the parameters used when pl_vulkan_create ends up creating an
    internal instance.
  * Add a new function pl_vulkan_unwrap which allows users to
    unwrap a vulkan-baed pl_tex to expose the internal VkImage,
    allowing simultaneous use (via pl_vulkan_hold/release) similar
    to wrapped external images.
  * Add new generic helper functions pl_std430_layout and
    pl_std140_layout which replace the old pl_buf_uniform_layout,
    pl_buf_storage_layout and pl_push_constant_layout.

Changes:

* Empty device names ("") can now be passed to pl_vulkan_create.
    They will be treated as if NULL was passed.
  * The out_plane parameter of pl_upload_plane is now optional.
  * Clarify/Relax the restrictions on pl_buf usage and polling.
    Users are technically free to use pl_buf for multiple
    simultaneous libplacebo operations. Buffer polling is only
    needed for accesses by the host.
  * pl_vulkan_hold now returns a bool indicating success.
  * pl_buffer_var has been moved from gpu.h's pl_desc to
    shaders.h's pl_shader_desc. Describing the individual variables
    of a descriptor binding had zero practical application.
  * pl_buf_uniform_layout, pl_buf_storage_layout and
    pl_push_constant_layout are now macros for pl_std140_layout
    and pl_std430_layout (respectively).
    This changed the signature to drop the pl_gpu parameter.
  * The buf_offset parameter to pl_tex_transfer no longer needs to
    be strictly aligned to a multiple of 4. The minimum alignment
    is now 1, however users are strongly recommended to stick to
    the multiple-of-4 alignment (or ideally align_tex_xfer_offset)
    for performance reasons.
  * The chromatic adaptation method in pl_get_color_mapping_matrix
    has been adjusted. We now use an LMS model derived from
    CIECAM97's revised linear Bradford matrix, rather than the
    non-linear matrix that was being used previously (incorrectly
    so, due to the lack of the required nonlinearity).
  * The order of fields in pl_rect3d has been changed for
    consistency with the other rect types.

Fixes and performance improvements:

* Fix std140/std430 packing errors for vec3.
  * Skip unnecessary flush in pl_buf_poll noop cases.
  * Fix variable collision in sh_prng.
  * Don't leak glslang internal symbols on supported platforms.
  * Fix an issue where pl_pass_run was stricter than intended about
    compatibility with between target and target_dummy.
  * Fix an issue where pl_dispatch could sometimes try dispatching
    shaders with an incompatible target.
  * Fix an error in the heuristic for choosing the optimal image
    layout for vulkan render passes.
  * Improved debugging messages in several places.
  * Slightly speed up lookups from texture LUTs.
  * Fix the addressing of shader LUTs in some hypothetical cases.
  * Correctly flush the contents of host-readable buffers after
    modifications made by the GPU.
  * Fix synchronization on pl_buf_write with non-mapped buffers.
  * Fix undefined behavior when using push descriptors.
  * Slightly speed up some texture recreate operations by
    invalidating re-used textures.
  * Fix an issue when trying to update large (>64k) VRAM-resident
    buffers.
  * Fix two address calculation bugs in pl_tex_blit.
  * Fix an over-read bug when the size of the vertex data changed
    for otherwise identical passes.
  * Fix a misalignment that could theoretically happen with some
    combinations of (odd) texel sizes and device alignment
    requirements.
  * Fix UB when creating "useless" images (without any usage flags)
  * Fix a vulkan device memory leak when destroying large textures.
  * Fix an alignment issue that could happen sometimes with
    pl_buf_write for odd write sizes.
  * Fix an alignment bug when uploading partial textures when async
    transfer is enabled on some devices.
  * Fix crash in pl_color_primaries_is_wide_gamut on DISPLAY_P3.
  * Fix an error when re-using shader objects between polar and
    non-polar samplers. This is now safe to do.

-------------------------------------------------------------------
Fri Sep 28 11:18:38 UTC 2018 - Martin Herkt <9+suse@cirno.systems>

- Add C/C++ compilers, glslang and lcms2 to BuildRequires
- Update to version 0.6.0
  This release brings with it a number of minor fixes and changes,
  as well as a new feature for simulating, and partially
  counteracting, various forms of color blindness. For more
  information see the new pl_cone_params structure and
  pl_get_cone_matrix function.

Additions:
  * VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR is now supported, and gets
    treated as PL_ALPHA_UNKNOWN.
  * Add a new feature for simulating various forms of color
    blindness (based on the LMS color model).

Changes:
  * Setting pl_render_params.upscaler/downscaler to NULL no longer
    allows automatically choosing bicubic, since this breaks
    various other optimizations that are only possible when using
    the built-in GPU sampling. This now only chooses
    bilinear/nearest depending on the texture/hardware capabilities
  * The public API of pl_shader_alloc was changed:
    the uint8_t ident field was removed. This makes no real sense
    to expose publicly, since users had no legitimate use for it
    other than setting it to 0.

Fixes and performance improvements:
  * The pl_dither_params.lut_size now gets correctly defaulted to 6
  * Fixed some use-after-scope bugs in the renderer
  * Fixed colorspace selection when using user-specified swapchain
    formats
  * Peak detection is now correctly disabled if the buffer size is
    set to 0. (Before, it would default back to 63 in that case)
  * Fix the out-of-gamut warning feature. This previously stopped
    working for out-of-range tone mapped values.

-------------------------------------------------------------------
Sun Jul 29 11:30:28 UTC 2018 - jengelh@inai.de

- Fix RPM groups.

-------------------------------------------------------------------
Sat Jun  9 15:43:18 UTC 2018 - 9+suse@cirno.systems

- Update to 0.5.0
  This release brings with it greatly improved support for HDR (including
  HDR-in-SDR emulation, native HDR passthrough and improvements to the
  HDR->SDR tone mapping algorithm), as well as support for ICC profiles
  and external VkImage interop (needed for e.g. hardware decoding).

Additions:
  * Add support for treating an SDR curve as an HDR curve by
    overriding/providing the true target peak. This essentially allows you
    to calibrate a true HDR device to a typical SDR curve and use it to
    display HDR media, at the cost of bit precision
  * Add more values to enum pl_chroma_location
  * Add a scale factor to struct pl_sample_src, which is useful for e.g.
    debanding on bit-shifted inputs
  * Add a new function to infer/guess unknown pl_color_space fields
  * Add support for 3DLUTs / ICC profiles (via LittleCMS), including
    support for assigning ICC profiles to the `pl_render_image` and
    `pl_render_target` structs
  * Allow enabling optional extra vulkan device/instance extensions, as
    well as listing what extensions were actually loaded
  * Add an API for VkImage interop with user code, e.g. to wrap mapped
    hardware decoding planes into `pl_tex`, plus all synchronization code
    and extra metadata necessary to make this interop safe
  * Implement support for native HDR output on supported platforms

Changes:
  * Separate the texture from the plane data struct in `pl_upload_plane`
  * Swapchain FBOs are now guaranteed to be blittable (e.g. pl_tex_clear)
  * Tone mapping is no longer done for desaturation steps. Users wanting
    high quality desaturation should use ICC profiles
  * Change the types of various fields in struct pl_gpu_limits
  * Slightly relax the sizing requirements of pl_tex_transfer
  * Change the default value for pl_tex_transfer_params.stride_w/h.
    Instead of defaulting to the image size, they now default to the rect to
    be transferred
  * Texture transfer buffer offsets must (now) be aligned to the texel
    size, in addition to being a multiple of 4
  * Change the API of `pl_color_space_equal` to be consistent with the
    rest of the colorspace APIs
  * Allow the `pl_upload_plane` helpers to upload from buffers as well
  * Switch the type of mapped buffer pointers from char* to uint8_t*
  * Rename DCI_P3 to Display_P3, and add DCI_P3 (using the actual DCI white
    point)

Fixes and performance improvements:
  * Fix some compatibility issues with GLSL 120
  * Prevent desaturation from exploding when tone mapping to HDR, or when
    tone mapping a very bright HDR scene to SDR
  * Implement the fully parametrized BT.2100 (HLG) OOTF in both
    directions, based on the tagged/inferred signal peak
  * Fix an issue preventing the out-of-gamut feature from working
    correctly on HDR displays
  * Fix a segfault that occurs when instance creation fails
  * Fix an issue where `peak_detect_frames` was sometimes too low
  * Allow debanding to take care of implicit bilinear sampling in cases
    where no other scaler is requested, thus avoiding an unnecessary FBO
    indirection
  * Only run the debanding algorithm on the parts of the image we will
    actually be displaying. This is relevant when cropping
  * Fix an issue where PL_TONE_MAPPINg_MOBIUS could fail in certain
    (unrealistic) scenarios involving HDR-in-SDR emulation
  * Fix an issue where vulkan could sometimes modify commands after
    submitting them, when recreating vertex buffers
  * Make an effort to reuse the same vertex buffer when the contents don't
    change from the previous invocation
  * Fix the glslang locale work-arounds on windows
  * Fix an issue where trying to upload from a too-large texel buffer
    results in an assertion failure rather than a clean error
  * Fix an issue where the usage of VkEvents prevented libplacebo from
    working on platforms where they were unsupported (e.g. MoltenVK)
  * Support and use vulkan push descriptors where supported. This avoids
    having to maintain, update and synchronize descriptor sets
  * Correctly disable signal linearization on low-bit depth FBOs
  * Prevent a crash on the (pathological) case of a shader with no
    descriptors
  * Fix a bug in the size limit calculations for 2D/3D LUTs
  * Use optimization level "performance" instead of "size" for shader
    compilation
  * Fix an abort() when trying to render to a non-storable FBO when using
    a final pass that requires compute shaders (e.g. HDR peak detection)

-------------------------------------------------------------------
Fri Jun  1 19:22:50 UTC 2018 - 9+suse@cirno.systems

- Init, 0.4.0

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File libplacebo.changes of Package libplacebo (Revision f27935a716896988703dfceba2901dfa)

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