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buffer_cache: Add extra bytes to guest SSBOs

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Bind extra bytes beyond the guest API's bound range.
This is due to some games like Astral Chain operating out of bounds.
Binding the whole map range would be technically correct, but games
have large maps that make this approach unaffordable for now.
This commit is contained in:
ReinUsesLisp 2021-01-22 22:17:23 -03:00
parent 93a69b6cc8
commit 0b8b961442
1 changed files with 7 additions and 1 deletions
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8
src/video_core/buffer_cache/buffer_cache.h
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@ -1243,9 +1243,15 @@ typename BufferCache<P>::Binding BufferCache<P>::StorageBufferBinding(GPUVAddr s
if (!cpu_addr || size == 0) {
return NULL_BINDING;
}
// HACK(Rodrigo): This is the number of bytes bound in host beyond the guest API's range.
// It exists due to some games like Astral Chain operate out of bounds.
// Binding the whole map range would be technically correct, but games have large maps that make
// this approach unaffordable for now.
static constexpr u32 arbitrary_extra_bytes = 0xc000;
const u32 bytes_to_map_end = static_cast<u32>(gpu_memory.BytesToMapEnd(gpu_addr));
const Binding binding{
.cpu_addr = *cpu_addr,
.size = size,
.size = std::min(size + arbitrary_extra_bytes, bytes_to_map_end),
.buffer_id = BufferId{},
};
return binding;