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yuzu/src/tests/video_core/buffer_base.cpp
ameerj eb9f16dce4 buffer_base: Partially revert changes from #9559 
This fixes a regression where Yoshi's Crafted World (and potentially other titles) would enter an infinite loop when GPU Accuracy was set to "Normal"
2023-02-08 19:37:23 -05:00

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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <stdexcept>
#include <unordered_map>
#include <catch2/catch_test_macros.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::YUZU_PAGEBITS};
const u64 page_end{(addr + size + Core::Memory::YUZU_PAGESIZE - 1) >>
Core::Memory::YUZU_PAGEBITS};
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::YUZU_PAGEBITS);
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));
}
TEST_CASE("BufferBase: Cached write") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Multiple cached write") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
buffer.CachedCpuWrite(c + PAGE * 3, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 3, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 3, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write unmarked") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
buffer.UnmarkRegionAsCpuModified(c + PAGE, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write iterated") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
int num = 0;
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write downloads") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 64);
buffer.CachedCpuWrite(c + PAGE, PAGE);
REQUIRE(rasterizer.Count() == 63);
buffer.MarkRegionAsGpuModified(c + PAGE, PAGE);
int num = 0;
buffer.ForEachDownloadRangeAndClear(c, WORD, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionGpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionGpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
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