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[D3D12] SHM: Mark outdated pages for upload when using them

This commit is contained in:
Triang3l 2018-07-25 21:36:39 +03:00
parent 2be5f2cfa2
commit bd54e905b2
1 changed files with 18 additions and 2 deletions
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20
src/xenia/gpu/d3d12/shared_memory.cc
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@ -320,10 +320,11 @@ bool SharedMemory::UseRange(uint32_t start, uint32_t length) {
// Exceeds the physical address space.
return false;
}
uint32_t last = start + length - 1;
// Ensure all tile heaps are present.
uint32_t heap_first = start >> kHeapSizeLog2;
uint32_t heap_last = (start + length - 1) >> kHeapSizeLog2;
uint32_t heap_last = last >> kHeapSizeLog2;
for (uint32_t i = heap_first; i <= heap_last; ++i) {
if (heaps_[i] != nullptr) {
continue;
@ -363,7 +364,22 @@ bool SharedMemory::UseRange(uint32_t start, uint32_t length) {
&range_flags, &heap_range_start_offset, &range_tile_count,
D3D12_TILE_MAPPING_FLAG_NONE);
}
// TODO(Triang3l): Mark the range for upload.
// Mark the outdated tiles in this range as requiring upload, and also make
// them up-to-date so textures aren't invalidated every use.
// TODO(Triang3l): Invalidate textures referencing outdated pages.
uint32_t block_first_index = start >> 6, block_last_index = last >> 6;
for (uint32_t i = block_first_index; i <= block_last_index; ++i) {
uint64_t block_outdated = ~pages_in_sync_[i];
if (i == block_first_index) {
block_outdated &= ~((1ull << (start & 63)) - 1);
}
if (i == block_last_index && (last & 63) != 63) {
block_outdated &= (1ull << ((last & 63) + 1)) - 1;
}
upload_pages_[i] |= block_outdated;
}
return true;
}