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textures: keep dirty pages during image-to-buffer sync

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This commit is contained in:
nmzik
2026-09-06 05:36:41 +04:00
parent 803c124136
commit 98e7eeb72a
2 changed files with 25 additions and 59 deletions
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tests/ShaderRecompilerComputeTests.cpp
+15 -5
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@@ -5585,6 +5585,15 @@ public:
"same-page CPU write did not invalidate cached ownership");
std::memcpy(memory + partial_clean_offset, &partial_cpu_refresh_value,
sizeof(partial_cpu_refresh_value));
constexpr std::array<uint32_t, 2> partial_neighbors{0x2468ace0u,
0xfedcba98u};
std::memcpy(memory + partial_clean_offset - sizeof(uint32_t),
&partial_neighbors[0], sizeof(uint32_t));
std::memcpy(memory + partial_clean_offset + sizeof(uint32_t),
&partial_neighbors[1], sizeof(uint32_t));
std::vector<u32> partial_cpu_refresh_expected(TRACKER_PAGE_SIZE / sizeof(u32));
std::memcpy(partial_cpu_refresh_expected.data(), memory + partial_image_offset,
TRACKER_PAGE_SIZE);
const auto partial_cpu_refresh_source =
resources.GetBufferCache().ObtainBufferForImage(
base + partial_clean_offset, sizeof(partial_cpu_refresh_value));
@@ -5593,11 +5602,11 @@ public:
"CPU-dirty same-page bytes did not resolve through the cached "
"buffer");
auto partial_cpu_refresh_readback =
CreateHostBuffer(name, sizeof(partial_cpu_refresh_value),
CreateHostBuffer(name, TRACKER_PAGE_SIZE,
vk::BufferUsageFlagBits::eTransferDst, {0});
const vk::BufferCopy partial_cpu_refresh_copy{
partial_cpu_refresh_source.second, 0,
sizeof(partial_cpu_refresh_value)};
partial_cpu_refresh_source.first->Offset(base + partial_image_offset), 0,
TRACKER_PAGE_SIZE};
command.Handle().copyBuffer(partial_cpu_refresh_source.first->Handle(),
partial_cpu_refresh_readback.buffer, 1,
&partial_cpu_refresh_copy);
@@ -6443,8 +6452,9 @@ public:
"exact-format recreation initialized from "
"stale guest bytes");
Require(name, "partial-page CPU refresh content",
ReadBuffer(name, partial_cpu_refresh_readback, 1) ==
std::vector<u32>{partial_cpu_refresh_value},
ReadBuffer(name, partial_cpu_refresh_readback,
partial_cpu_refresh_expected.size()) ==
partial_cpu_refresh_expected,
"cached buffer uploaded bytes outside the exact "
"staged guest range");
const auto mixed_source_words = ReadBuffer(