- A block sub-allocator: 64 MB blocks per memory type, images and buffers kept apart, first fit with
alignment, freed ranges merged and empty blocks given back; anything over 16 MB still gets its own
allocation. The self-tests' second world holds 94 allocations instead of 8735 (the driver's limit
refused a shadow map before). Camp bench unchanged, 105.3 fps.
- shadow_set_res keeps the size that worked when the card has no memory for the new one, and records
it in shadow_refused, instead of ending with no shadow map; gpu_tex_ok says whether a texture has an
image behind it.
- Image barriers skip an image that was never made (a failed allocation used to crash there), and
R3D_VK_ERRLOG=<file> appends every Vulkan failure line by line, so a crash no longer takes the
message with it.
- R3D_VK_PROF reports draws asked for and not made, so a layer missing from a frame is never silent.
Validation on (VK_INSTANCE_LAYERS): the game's self-tests 61 OK, 0 errors, on the RTX 3070 Ti.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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