Previous hash table was case insensitive, while the new one is
sensitive.
For now the workaround is to tolower texture names in rad files.
Proper way would be to address case-sensitivity globally. Currently it's
not very consistent.
Known issues:
- pbr materials are completely broken. They end up not being able to
find textures, seemingly due to memory corruption on materials side,
not textures.
- There are still places that try to get texture=1
Adds unordered_roadmap simple hash map:
- open addressing with linear probing
- size is fixed at init/compile time
- operates on an pre-allocated array of items with hashmap headers
Also adds basic tests for it.
And properly enables tests for ref_vk (i.e. alolcator)
THIS COMMIT IS BROKEN AND LEADS TO MISSING TEXTURES
There's a "race" between texture release/acquire on changelevel.
Textures end up being deleted when they shouldn't.
Addressing this is tedious, will be done in the following commits.
* engine: common: imagelib: add KTX2 support
Adds basic KTX2 support for a few compressed formats. KTX2 essentially
is a Vulkan-centric texture format that supports literally hundreds of
pixel formats.
For now only support for these is added:
- `VK_FORMAT_BC4_UNORM_BLOCK`
- `VK_FORMAT_BC4_SNORM_BLOCK`
- `VK_FORMAT_BC5_UNORM_BLOCK`
- `VK_FORMAT_BC5_SNORM_BLOCK`
- `VK_FORMAT_BC6H_UFLOAT_BLOCK`
- `VK_FORMAT_BC6H_SFLOAT_BLOCK`
- `VK_FORMAT_BC7_UNORM_BLOCK`
- `VK_FORMAT_BC7_SRGB_BLOCK`
Adding more formats is relatively straightforward:
- Copy format definition from `VkFormat` enum in `vulkan_core.h`
- Add a new definition into `pixformat_t` enum.
- Add format size calculation into `Image_ComputeSize()`
While we're at it, also adds a few new formats to DDS:
- BC4_UNORM -- PF_BC4_UNSIGNED
- BC4_SNORM -- PF_BC4_SIGNED
- BC5_UNORM -- PF_BC5_UNSIGNED
- BC5_SNORM -- PF_BC5_SIGNED
- BC7 is expanded into BC7_UNORM and BC7_SRGB
ref_gl and ref_soft code is updated where it made sense. But not tested
really. Support for these formats has been tested with ref_vk.
* address spaces-vs-parentheses formatting where noticed
* parenthesize sizeofs
* move ktx2.h to imagelib as img_ktx2.h; massage it a bit
* use SetBits() instead of |=
* remove stale TODO comments
We were running out of descriptor sets, as they weren't being freed at all.
Now there's a 1-1 table of texture-descset, and no way to run out of them.
Better solution would be to move this descset management to vk_render, and allocate them dynamically from a smaller pool.
Support DDS and KTX2
- [x] Pass KTX2 as raw data
- [x] Simplify image uploading (there are 2 copies of the same uploading code for regular textures and for KTX2)
- [x] Extract long format lists from `vk_image.c` to e.g. `vk_image_extra.h`
- [x] Support DDS formats
- [x] BC7
- [x] PoC works
- [x] read supplied mips
- [x] Pass most common KTX2 subformats as correct PF_ format
- [x] BC5
- [x] BC6H
- [x] BC7 -- need UNORM/SRGB expansion
- [x] BC4 -- need to add it
- [x] Alpha flag for KTX2 formats
- [x] swizzle r->rgba
- [x] check il_dds_hardware
- [x] add `IL_KTX2_RAW_SUPPORTED`
- [x] format imagelib things
- [x] extract image size function to img_utils
Fixes#154
Ivan Avdeev
Alibek Omarov
mittorn
mittorn
Andrey Akhmichin
Ivan Avdeev