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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-12-30 22:42:27 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-01-13 08:31:40 +0100 |
commit | 7bd603061c81e1088448d51853b6f721a932d31c (patch) | |
tree | ca842acc9bb883cb2b9538f5bddd150da294a70d /src/tests/video_core/buffer_base.cpp | |
parent | buffer_cache/buffer_base: Add a range tracking buffer container (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/tests/video_core/buffer_base.cpp | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/src/tests/video_core/buffer_base.cpp b/src/tests/video_core/buffer_base.cpp new file mode 100644 index 000000000..651633e9e --- /dev/null +++ b/src/tests/video_core/buffer_base.cpp @@ -0,0 +1,473 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <stdexcept> +#include <unordered_map> + +#include <catch2/catch.hpp> + +#include "common/alignment.h" +#include "common/common_types.h" +#include "video_core/buffer_cache/buffer_base.h" + +namespace { +using VideoCommon::BufferBase; +using Range = std::pair<u64, u64>; + +constexpr u64 PAGE = 4096; +constexpr u64 WORD = 4096 * 64; + +constexpr VAddr c = 0x1328914000; + +class RasterizerInterface { +public: + void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) { + const u64 page_start{addr >> Core::Memory::PAGE_BITS}; + const u64 page_end{(addr + size + Core::Memory::PAGE_SIZE - 1) >> Core::Memory::PAGE_BITS}; + for (u64 page = page_start; page < page_end; ++page) { + int& value = page_table[page]; + value += delta; + if (value < 0) { + throw std::logic_error{"negative page"}; + } + if (value == 0) { + page_table.erase(page); + } + } + } + + [[nodiscard]] int Count(VAddr addr) const noexcept { + const auto it = page_table.find(addr >> Core::Memory::PAGE_BITS); + return it == page_table.end() ? 0 : it->second; + } + + [[nodiscard]] unsigned Count() const noexcept { + unsigned count = 0; + for (const auto [index, value] : page_table) { + count += value; + } + return count; + } + +private: + std::unordered_map<u64, int> page_table; +}; +} // Anonymous namespace + +TEST_CASE("BufferBase: Small buffer", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + REQUIRE(rasterizer.Count() == 0); + buffer.UnmarkRegionAsCpuModified(c, WORD); + REQUIRE(rasterizer.Count() == WORD / PAGE); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD) == Range{0, 0}); + + buffer.MarkRegionAsCpuModified(c + PAGE, 1); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD) == Range{PAGE * 1, PAGE * 2}); +} + +TEST_CASE("BufferBase: Large buffer", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 32); + buffer.UnmarkRegionAsCpuModified(c, WORD * 32); + buffer.MarkRegionAsCpuModified(c + 4096, WORD * 4); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD + PAGE * 2) == Range{PAGE, WORD + PAGE * 2}); + REQUIRE(buffer.ModifiedCpuRegion(c + PAGE * 2, PAGE * 6) == Range{PAGE * 2, PAGE * 8}); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{PAGE, WORD * 4 + PAGE}); + REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 4, PAGE) == Range{WORD * 4, WORD * 4 + PAGE}); + REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 3 + PAGE * 63, PAGE) == + Range{WORD * 3 + PAGE * 63, WORD * 4}); + + buffer.MarkRegionAsCpuModified(c + WORD * 5 + PAGE * 6, PAGE); + buffer.MarkRegionAsCpuModified(c + WORD * 5 + PAGE * 8, PAGE); + REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 5, WORD) == + Range{WORD * 5 + PAGE * 6, WORD * 5 + PAGE * 9}); + + buffer.UnmarkRegionAsCpuModified(c + WORD * 5 + PAGE * 8, PAGE); + REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 5, WORD) == + Range{WORD * 5 + PAGE * 6, WORD * 5 + PAGE * 7}); + + buffer.MarkRegionAsCpuModified(c + PAGE, WORD * 31 + PAGE * 63); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{PAGE, WORD * 32}); + + buffer.UnmarkRegionAsCpuModified(c + PAGE * 4, PAGE); + buffer.UnmarkRegionAsCpuModified(c + PAGE * 6, PAGE); + + buffer.UnmarkRegionAsCpuModified(c, WORD * 32); + REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{0, 0}); +} + +TEST_CASE("BufferBase: Rasterizer counting", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, PAGE * 2); + REQUIRE(rasterizer.Count() == 0); + buffer.UnmarkRegionAsCpuModified(c, PAGE); + REQUIRE(rasterizer.Count() == 1); + buffer.MarkRegionAsCpuModified(c, PAGE * 2); + REQUIRE(rasterizer.Count() == 0); + buffer.UnmarkRegionAsCpuModified(c, PAGE); + buffer.UnmarkRegionAsCpuModified(c + PAGE, PAGE); + REQUIRE(rasterizer.Count() == 2); + buffer.MarkRegionAsCpuModified(c, PAGE * 2); + REQUIRE(rasterizer.Count() == 0); +} + +TEST_CASE("BufferBase: Basic range", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + buffer.UnmarkRegionAsCpuModified(c, WORD); + buffer.MarkRegionAsCpuModified(c, PAGE); + int num = 0; + buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == 0U); + REQUIRE(size == PAGE); + ++num; + }); + REQUIRE(num == 1U); +} + +TEST_CASE("BufferBase: Border upload", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 2); + buffer.UnmarkRegionAsCpuModified(c, WORD * 2); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c, WORD * 2, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE * 2); + }); +} + +TEST_CASE("BufferBase: Border upload range", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 2); + buffer.UnmarkRegionAsCpuModified(c, WORD * 2); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c + WORD - PAGE, PAGE * 2, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE * 2); + }); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c + WORD - PAGE, PAGE, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE); + }); + buffer.ForEachUploadRange(c + WORD, PAGE, [](u64 offset, u64 size) { + REQUIRE(offset == WORD); + REQUIRE(size == PAGE); + }); +} + +TEST_CASE("BufferBase: Border upload partial range", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 2); + buffer.UnmarkRegionAsCpuModified(c, WORD * 2); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c + WORD - 1, 2, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE * 2); + }); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c + WORD - 1, 1, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE); + }); + buffer.ForEachUploadRange(c + WORD + 50, 1, [](u64 offset, u64 size) { + REQUIRE(offset == WORD); + REQUIRE(size == PAGE); + }); +} + +TEST_CASE("BufferBase: Partial word uploads", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, 0x9d000); + int num = 0; + buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == 0U); + REQUIRE(size == WORD); + ++num; + }); + REQUIRE(num == 1); + buffer.ForEachUploadRange(c + WORD, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == WORD); + REQUIRE(size == WORD); + ++num; + }); + REQUIRE(num == 2); + buffer.ForEachUploadRange(c + 0x79000, 0x24000, [&](u64 offset, u64 size) { + REQUIRE(offset == WORD * 2); + REQUIRE(size == PAGE * 0x1d); + ++num; + }); + REQUIRE(num == 3); +} + +TEST_CASE("BufferBase: Partial page upload", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + buffer.UnmarkRegionAsCpuModified(c, WORD); + int num = 0; + buffer.MarkRegionAsCpuModified(c + PAGE * 2, PAGE); + buffer.MarkRegionAsCpuModified(c + PAGE * 9, PAGE); + buffer.ForEachUploadRange(c, PAGE * 3, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 2); + REQUIRE(size == PAGE); + ++num; + }); + REQUIRE(num == 1); + buffer.ForEachUploadRange(c + PAGE * 7, PAGE * 3, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 9); + REQUIRE(size == PAGE); + ++num; + }); + REQUIRE(num == 2); +} + +TEST_CASE("BufferBase: Partial page upload with multiple words on the right") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 8); + buffer.UnmarkRegionAsCpuModified(c, WORD * 8); + buffer.MarkRegionAsCpuModified(c + PAGE * 13, WORD * 7); + int num = 0; + buffer.ForEachUploadRange(c + PAGE * 10, WORD * 7, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 13); + REQUIRE(size == WORD * 7 - PAGE * 3); + ++num; + }); + REQUIRE(num == 1); + buffer.ForEachUploadRange(c + PAGE, WORD * 8, [&](u64 offset, u64 size) { + REQUIRE(offset == WORD * 7 + PAGE * 10); + REQUIRE(size == PAGE * 3); + ++num; + }); + REQUIRE(num == 2); +} + +TEST_CASE("BufferBase: Partial page upload with multiple words on the left", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 8); + buffer.UnmarkRegionAsCpuModified(c, WORD * 8); + buffer.MarkRegionAsCpuModified(c + PAGE * 13, WORD * 7); + int num = 0; + buffer.ForEachUploadRange(c + PAGE * 16, WORD * 7, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 16); + REQUIRE(size == WORD * 7 - PAGE * 3); + ++num; + }); + REQUIRE(num == 1); + buffer.ForEachUploadRange(c + PAGE, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 13); + REQUIRE(size == PAGE * 3); + ++num; + }); + REQUIRE(num == 2); +} + +TEST_CASE("BufferBase: Partial page upload with multiple words in the middle", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 8); + buffer.UnmarkRegionAsCpuModified(c, WORD * 8); + buffer.MarkRegionAsCpuModified(c + PAGE * 13, PAGE * 140); + int num = 0; + buffer.ForEachUploadRange(c + PAGE * 16, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 16); + REQUIRE(size == WORD); + ++num; + }); + REQUIRE(num == 1); + buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { + REQUIRE(offset == PAGE * 13); + REQUIRE(size == PAGE * 3); + ++num; + }); + REQUIRE(num == 2); + buffer.ForEachUploadRange(c, WORD * 8, [&](u64 offset, u64 size) { + REQUIRE(offset == WORD + PAGE * 16); + REQUIRE(size == PAGE * 73); + ++num; + }); + REQUIRE(num == 3); +} + +TEST_CASE("BufferBase: Empty right bits", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 2048); + buffer.UnmarkRegionAsCpuModified(c, WORD * 2048); + buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2); + buffer.ForEachUploadRange(c, WORD * 2048, [](u64 offset, u64 size) { + REQUIRE(offset == WORD - PAGE); + REQUIRE(size == PAGE * 2); + }); +} + +TEST_CASE("BufferBase: Out of bound ranges 1", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + buffer.UnmarkRegionAsCpuModified(c, WORD); + buffer.MarkRegionAsCpuModified(c, PAGE); + int num = 0; + buffer.ForEachUploadRange(c - WORD, WORD, [&](u64 offset, u64 size) { ++num; }); + buffer.ForEachUploadRange(c + WORD, WORD, [&](u64 offset, u64 size) { ++num; }); + buffer.ForEachUploadRange(c - PAGE, PAGE, [&](u64 offset, u64 size) { ++num; }); + REQUIRE(num == 0); + buffer.ForEachUploadRange(c - PAGE, PAGE * 2, [&](u64 offset, u64 size) { ++num; }); + REQUIRE(num == 1); + buffer.MarkRegionAsCpuModified(c, WORD); + REQUIRE(rasterizer.Count() == 0); +} + +TEST_CASE("BufferBase: Out of bound ranges 2", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, 0x22000); + REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x22000, PAGE)); + REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x28000, PAGE)); + REQUIRE(rasterizer.Count() == 0); + REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x21100, PAGE - 0x100)); + REQUIRE(rasterizer.Count() == 1); + REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c - 0x1000, PAGE * 2)); + buffer.UnmarkRegionAsCpuModified(c - 0x3000, PAGE * 2); + buffer.UnmarkRegionAsCpuModified(c - 0x2000, PAGE * 2); + REQUIRE(rasterizer.Count() == 2); +} + +TEST_CASE("BufferBase: Out of bound ranges 3", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, 0x310720); + buffer.UnmarkRegionAsCpuModified(c, 0x310720); + REQUIRE(rasterizer.Count(c) == 1); + REQUIRE(rasterizer.Count(c + PAGE) == 1); + REQUIRE(rasterizer.Count(c + WORD) == 1); + REQUIRE(rasterizer.Count(c + WORD + PAGE) == 1); +} + +TEST_CASE("BufferBase: Sparse regions 1", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + buffer.UnmarkRegionAsCpuModified(c, WORD); + buffer.MarkRegionAsCpuModified(c + PAGE * 1, PAGE); + buffer.MarkRegionAsCpuModified(c + PAGE * 3, PAGE * 4); + buffer.ForEachUploadRange(c, WORD, [i = 0](u64 offset, u64 size) mutable { + static constexpr std::array<u64, 2> offsets{PAGE, PAGE * 3}; + static constexpr std::array<u64, 2> sizes{PAGE, PAGE * 4}; + REQUIRE(offset == offsets.at(i)); + REQUIRE(size == sizes.at(i)); + ++i; + }); +} + +TEST_CASE("BufferBase: Sparse regions 2", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, 0x22000); + buffer.UnmarkRegionAsCpuModified(c, 0x22000); + REQUIRE(rasterizer.Count() == 0x22); + buffer.MarkRegionAsCpuModified(c + PAGE * 0x1B, PAGE); + buffer.MarkRegionAsCpuModified(c + PAGE * 0x21, PAGE); + buffer.ForEachUploadRange(c, WORD, [i = 0](u64 offset, u64 size) mutable { + static constexpr std::array<u64, 2> offsets{PAGE * 0x1B, PAGE * 0x21}; + static constexpr std::array<u64, 2> sizes{PAGE, PAGE}; + REQUIRE(offset == offsets.at(i)); + REQUIRE(size == sizes.at(i)); + ++i; + }); +} + +TEST_CASE("BufferBase: Single page modified range", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, PAGE); + REQUIRE(buffer.IsRegionCpuModified(c, PAGE)); + buffer.UnmarkRegionAsCpuModified(c, PAGE); + REQUIRE(!buffer.IsRegionCpuModified(c, PAGE)); +} + +TEST_CASE("BufferBase: Two page modified range", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, PAGE * 2); + REQUIRE(buffer.IsRegionCpuModified(c, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c, PAGE * 2)); + buffer.UnmarkRegionAsCpuModified(c, PAGE); + REQUIRE(!buffer.IsRegionCpuModified(c, PAGE)); +} + +TEST_CASE("BufferBase: Multi word modified ranges", "[video_core]") { + for (int offset = 0; offset < 4; ++offset) { + const VAddr address = c + WORD * offset; + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, address, WORD * 4); + REQUIRE(buffer.IsRegionCpuModified(address, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 48, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 56, PAGE)); + + buffer.UnmarkRegionAsCpuModified(address + PAGE * 32, PAGE); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE, WORD)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 31, PAGE)); + REQUIRE(!buffer.IsRegionCpuModified(address + PAGE * 32, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 33, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 31, PAGE * 2)); + REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 32, PAGE * 2)); + + buffer.UnmarkRegionAsCpuModified(address + PAGE * 33, PAGE); + REQUIRE(!buffer.IsRegionCpuModified(address + PAGE * 32, PAGE * 2)); + } +} + +TEST_CASE("BufferBase: Single page in large buffer", "[video_core]") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 16); + buffer.UnmarkRegionAsCpuModified(c, WORD * 16); + REQUIRE(!buffer.IsRegionCpuModified(c, WORD * 16)); + + buffer.MarkRegionAsCpuModified(c + WORD * 12 + PAGE * 8, PAGE); + REQUIRE(buffer.IsRegionCpuModified(c, WORD * 16)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 10, WORD * 2)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 11, WORD * 2)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12, WORD * 2)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 4, PAGE * 8)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 6, PAGE * 8)); + REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 6, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 7, PAGE * 2)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 8, PAGE * 2)); +} + +TEST_CASE("BufferBase: Out of bounds region query") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 16); + REQUIRE(!buffer.IsRegionCpuModified(c - PAGE, PAGE)); + REQUIRE(!buffer.IsRegionCpuModified(c - PAGE * 2, PAGE)); + REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 16, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + WORD * 16 - PAGE, WORD * 64)); + REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 16, WORD * 64)); +} + +TEST_CASE("BufferBase: Wrap word regions") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD * 2); + buffer.UnmarkRegionAsCpuModified(c, WORD * 2); + buffer.MarkRegionAsCpuModified(c + PAGE * 63, PAGE * 2); + REQUIRE(buffer.IsRegionCpuModified(c, WORD * 2)); + REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 62, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 64, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE * 2)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE * 8)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 60, PAGE * 8)); + + REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 127, WORD * 16)); + buffer.MarkRegionAsCpuModified(c + PAGE * 127, PAGE); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 127, WORD * 16)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 127, PAGE)); + REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 126, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 126, PAGE * 2)); + REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 128, WORD * 16)); +} + +TEST_CASE("BufferBase: Unaligned page region query") { + RasterizerInterface rasterizer; + BufferBase buffer(rasterizer, c, WORD); + buffer.UnmarkRegionAsCpuModified(c, WORD); + buffer.MarkRegionAsCpuModified(c + 4000, 1000); + REQUIRE(buffer.IsRegionCpuModified(c, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE)); + REQUIRE(buffer.IsRegionCpuModified(c + 4000, 1000)); + REQUIRE(buffer.IsRegionCpuModified(c + 4000, 1)); +} |