368 lines
12 KiB
C++
368 lines
12 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <limits>
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#include <memory>
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#include <tuple>
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#include <type_traits>
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#include <unordered_set>
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#include <gtest/gtest.h> // NOLINT
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#include "Common/BitUtils.h"
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#include "Common/Common.h"
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#include "Common/MathUtil.h"
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#include "VideoCommon/CPMemory.h"
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#include "VideoCommon/DataReader.h"
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#include "VideoCommon/OpcodeDecoding.h"
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#include "VideoCommon/VertexLoaderBase.h"
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#include "VideoCommon/VertexLoaderManager.h"
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TEST(VertexLoaderUID, UniqueEnough)
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{
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std::unordered_set<VertexLoaderUID> uids;
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TVtxDesc vtx_desc;
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memset(&vtx_desc, 0, sizeof(vtx_desc));
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VAT vat;
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memset(&vat, 0, sizeof(vat));
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uids.insert(VertexLoaderUID(vtx_desc, vat));
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vtx_desc.low.Hex = 0x76543210;
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vtx_desc.high.Hex = 0xFEDCBA98;
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EXPECT_EQ(uids.end(), uids.find(VertexLoaderUID(vtx_desc, vat)));
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uids.insert(VertexLoaderUID(vtx_desc, vat));
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vat.g0.Hex = 0xFFFFFFFF;
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vat.g1.Hex = 0xFFFFFFFF;
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vat.g2.Hex = 0xFFFFFFFF;
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EXPECT_EQ(uids.end(), uids.find(VertexLoaderUID(vtx_desc, vat)));
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uids.insert(VertexLoaderUID(vtx_desc, vat));
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}
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static u8 input_memory[16 * 1024 * 1024];
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static u8 output_memory[16 * 1024 * 1024];
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class VertexLoaderTest : public testing::Test
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{
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protected:
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void SetUp() override
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{
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memset(input_memory, 0, sizeof(input_memory));
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memset(output_memory, 0xFF, sizeof(input_memory));
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memset(&m_vtx_desc, 0, sizeof(m_vtx_desc));
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memset(&m_vtx_attr, 0, sizeof(m_vtx_attr));
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m_loader = nullptr;
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ResetPointers();
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}
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void CreateAndCheckSizes(size_t input_size, size_t output_size)
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{
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m_loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
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ASSERT_EQ(input_size, m_loader->m_vertex_size);
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ASSERT_EQ((int)output_size, m_loader->m_native_vtx_decl.stride);
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}
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template <typename T>
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void Input(T val)
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{
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// Write swapped.
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m_src.Write<T, true>(val);
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}
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void ExpectOut(float expected)
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{
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// Read unswapped.
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const float actual = m_dst.Read<float, false>();
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if (!actual || actual != actual)
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EXPECT_EQ(Common::BitCast<u32>(expected), Common::BitCast<u32>(actual));
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else
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EXPECT_EQ(expected, actual);
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}
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void RunVertices(int count, int expected_count = -1)
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{
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if (expected_count == -1)
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expected_count = count;
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ResetPointers();
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int actual_count = m_loader->RunVertices(m_src, m_dst, count);
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EXPECT_EQ(actual_count, expected_count);
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}
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void ResetPointers()
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{
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m_src = DataReader(input_memory, input_memory + sizeof(input_memory));
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m_dst = DataReader(output_memory, output_memory + sizeof(output_memory));
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}
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DataReader m_src;
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DataReader m_dst;
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TVtxDesc m_vtx_desc;
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VAT m_vtx_attr;
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std::unique_ptr<VertexLoaderBase> m_loader;
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};
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class VertexLoaderParamTest
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: public VertexLoaderTest,
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public ::testing::WithParamInterface<
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std::tuple<VertexComponentFormat, ComponentFormat, CoordComponentCount, int>>
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{
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};
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INSTANTIATE_TEST_CASE_P(
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AllCombinations, VertexLoaderParamTest,
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::testing::Combine(
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::testing::Values(VertexComponentFormat::Direct, VertexComponentFormat::Index8,
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VertexComponentFormat::Index16),
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::testing::Values(ComponentFormat::UByte, ComponentFormat::Byte, ComponentFormat::UShort,
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ComponentFormat::Short, ComponentFormat::Float),
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::testing::Values(CoordComponentCount::XY, CoordComponentCount::XYZ),
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::testing::Values(0, 1, 31) // frac
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));
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TEST_P(VertexLoaderParamTest, PositionAll)
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{
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VertexComponentFormat addr;
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ComponentFormat format;
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CoordComponentCount elements;
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int frac;
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std::tie(addr, format, elements, frac) = GetParam();
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this->m_vtx_desc.low.Position = addr;
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this->m_vtx_attr.g0.PosFormat = format;
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this->m_vtx_attr.g0.PosElements = elements;
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this->m_vtx_attr.g0.PosFrac = frac;
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this->m_vtx_attr.g0.ByteDequant = true;
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const u32 elem_size = GetElementSize(format);
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const u32 elem_count = elements == CoordComponentCount::XY ? 2 : 3;
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std::vector<float> values = {
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std::numeric_limits<float>::lowest(),
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std::numeric_limits<float>::denorm_min(),
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std::numeric_limits<float>::min(),
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std::numeric_limits<float>::max(),
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std::numeric_limits<float>::quiet_NaN(),
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std::numeric_limits<float>::infinity(),
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-0x8000,
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-0x80,
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-1,
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-0.0,
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0,
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1,
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123,
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0x7F,
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0xFF,
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0x7FFF,
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0xFFFF,
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12345678,
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};
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ASSERT_EQ(0u, values.size() % 2);
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ASSERT_EQ(0u, values.size() % 3);
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int count = (int)values.size() / elem_count;
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size_t input_size = elem_count * elem_size;
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if (IsIndexed(addr))
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{
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input_size = addr == VertexComponentFormat::Index8 ? 1 : 2;
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for (int i = 0; i < count; i++)
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if (addr == VertexComponentFormat::Index8)
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Input<u8>(i);
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else
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Input<u16>(i);
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VertexLoaderManager::cached_arraybases[ARRAY_POSITION] = m_src.GetPointer();
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g_main_cp_state.array_strides[ARRAY_POSITION] = elem_count * elem_size;
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}
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CreateAndCheckSizes(input_size, elem_count * sizeof(float));
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for (float value : values)
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{
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switch (format)
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{
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case ComponentFormat::UByte:
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Input(MathUtil::SaturatingCast<u8>(value));
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break;
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case ComponentFormat::Byte:
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Input(MathUtil::SaturatingCast<s8>(value));
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break;
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case ComponentFormat::UShort:
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Input(MathUtil::SaturatingCast<u16>(value));
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break;
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case ComponentFormat::Short:
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Input(MathUtil::SaturatingCast<s16>(value));
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break;
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case ComponentFormat::Float:
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Input(value);
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break;
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}
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}
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RunVertices(count);
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float scale = 1.f / (1u << (format == ComponentFormat::Float ? 0 : frac));
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for (auto iter = values.begin(); iter != values.end();)
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{
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float f, g;
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switch (format)
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{
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case ComponentFormat::UByte:
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f = MathUtil::SaturatingCast<u8>(*iter++);
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g = MathUtil::SaturatingCast<u8>(*iter++);
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break;
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case ComponentFormat::Byte:
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f = MathUtil::SaturatingCast<s8>(*iter++);
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g = MathUtil::SaturatingCast<s8>(*iter++);
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break;
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case ComponentFormat::UShort:
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f = MathUtil::SaturatingCast<u16>(*iter++);
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g = MathUtil::SaturatingCast<u16>(*iter++);
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break;
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case ComponentFormat::Short:
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f = MathUtil::SaturatingCast<s16>(*iter++);
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g = MathUtil::SaturatingCast<s16>(*iter++);
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break;
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case ComponentFormat::Float:
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f = *iter++;
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g = *iter++;
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break;
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default:
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FAIL() << "Unknown format";
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}
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ExpectOut(f * scale);
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ExpectOut(g * scale);
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}
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}
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TEST_F(VertexLoaderTest, PositionIndex16FloatXY)
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{
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m_vtx_desc.low.Position = VertexComponentFormat::Index16;
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m_vtx_attr.g0.PosFormat = ComponentFormat::Float;
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CreateAndCheckSizes(sizeof(u16), 2 * sizeof(float));
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Input<u16>(1);
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Input<u16>(0);
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VertexLoaderManager::cached_arraybases[ARRAY_POSITION] = m_src.GetPointer();
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g_main_cp_state.array_strides[ARRAY_POSITION] = sizeof(float); // ;)
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Input(1.f);
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Input(2.f);
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Input(3.f);
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RunVertices(2);
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ExpectOut(2);
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ExpectOut(3);
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ExpectOut(1);
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ExpectOut(2);
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}
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class VertexLoaderSpeedTest : public VertexLoaderTest,
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public ::testing::WithParamInterface<std::tuple<ComponentFormat, int>>
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{
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};
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INSTANTIATE_TEST_CASE_P(
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FormatsAndElements, VertexLoaderSpeedTest,
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::testing::Combine(::testing::Values(ComponentFormat::UByte, ComponentFormat::Byte,
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ComponentFormat::UShort, ComponentFormat::Short,
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ComponentFormat::Float),
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::testing::Values(0, 1)));
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TEST_P(VertexLoaderSpeedTest, PositionDirectAll)
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{
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ComponentFormat format;
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int elements_i;
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std::tie(format, elements_i) = GetParam();
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CoordComponentCount elements = static_cast<CoordComponentCount>(elements_i);
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fmt::print("format: {}, elements: {}\n", format, elements);
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const u32 elem_count = elements == CoordComponentCount::XY ? 2 : 3;
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m_vtx_desc.low.Position = VertexComponentFormat::Direct;
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m_vtx_attr.g0.PosFormat = format;
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m_vtx_attr.g0.PosElements = elements;
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const size_t elem_size = GetElementSize(format);
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CreateAndCheckSizes(elem_count * elem_size, elem_count * sizeof(float));
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for (int i = 0; i < 1000; ++i)
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RunVertices(100000);
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}
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TEST_P(VertexLoaderSpeedTest, TexCoordSingleElement)
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{
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ComponentFormat format;
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int elements_i;
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std::tie(format, elements_i) = GetParam();
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TexComponentCount elements = static_cast<TexComponentCount>(elements_i);
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fmt::print("format: {}, elements: {}\n", format, elements);
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const u32 elem_count = elements == TexComponentCount::S ? 1 : 2;
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m_vtx_desc.low.Position = VertexComponentFormat::Direct;
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m_vtx_attr.g0.PosFormat = ComponentFormat::Byte;
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m_vtx_desc.high.Tex0Coord = VertexComponentFormat::Direct;
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m_vtx_attr.g0.Tex0CoordFormat = format;
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m_vtx_attr.g0.Tex0CoordElements = elements;
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const size_t elem_size = GetElementSize(format);
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CreateAndCheckSizes(2 * sizeof(s8) + elem_count * elem_size,
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2 * sizeof(float) + elem_count * sizeof(float));
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for (int i = 0; i < 1000; ++i)
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RunVertices(100000);
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}
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TEST_F(VertexLoaderTest, LargeFloatVertexSpeed)
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{
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// Enables most attributes in floating point indexed mode to test speed.
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m_vtx_desc.low.PosMatIdx = 1;
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m_vtx_desc.low.Tex0MatIdx = 1;
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m_vtx_desc.low.Tex1MatIdx = 1;
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m_vtx_desc.low.Tex2MatIdx = 1;
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m_vtx_desc.low.Tex3MatIdx = 1;
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m_vtx_desc.low.Tex4MatIdx = 1;
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m_vtx_desc.low.Tex5MatIdx = 1;
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m_vtx_desc.low.Tex6MatIdx = 1;
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m_vtx_desc.low.Tex7MatIdx = 1;
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m_vtx_desc.low.Position = VertexComponentFormat::Index16;
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m_vtx_desc.low.Normal = VertexComponentFormat::Index16;
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m_vtx_desc.low.Color0 = VertexComponentFormat::Index16;
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m_vtx_desc.low.Color1 = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex0Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex1Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex2Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex3Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex4Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex5Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex6Coord = VertexComponentFormat::Index16;
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m_vtx_desc.high.Tex7Coord = VertexComponentFormat::Index16;
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m_vtx_attr.g0.PosElements = CoordComponentCount::XYZ;
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m_vtx_attr.g0.PosFormat = ComponentFormat::Float;
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m_vtx_attr.g0.NormalElements = NormalComponentCount::NBT;
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m_vtx_attr.g0.NormalFormat = ComponentFormat::Float;
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m_vtx_attr.g0.Color0Elements = ColorComponentCount::RGBA;
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m_vtx_attr.g0.Color0Comp = ColorFormat::RGBA8888;
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m_vtx_attr.g0.Color1Elements = ColorComponentCount::RGBA;
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m_vtx_attr.g0.Color1Comp = ColorFormat::RGBA8888;
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m_vtx_attr.g0.Tex0CoordElements = TexComponentCount::ST;
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m_vtx_attr.g0.Tex0CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g1.Tex1CoordElements = TexComponentCount::ST;
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m_vtx_attr.g1.Tex1CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g1.Tex2CoordElements = TexComponentCount::ST;
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m_vtx_attr.g1.Tex2CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g1.Tex3CoordElements = TexComponentCount::ST;
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m_vtx_attr.g1.Tex3CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g1.Tex4CoordElements = TexComponentCount::ST;
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m_vtx_attr.g1.Tex4CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g2.Tex5CoordElements = TexComponentCount::ST;
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m_vtx_attr.g2.Tex5CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g2.Tex6CoordElements = TexComponentCount::ST;
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m_vtx_attr.g2.Tex6CoordFormat = ComponentFormat::Float;
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m_vtx_attr.g2.Tex7CoordElements = TexComponentCount::ST;
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m_vtx_attr.g2.Tex7CoordFormat = ComponentFormat::Float;
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CreateAndCheckSizes(33, 156);
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for (int i = 0; i < NUM_VERTEX_COMPONENT_ARRAYS; i++)
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{
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VertexLoaderManager::cached_arraybases[i] = m_src.GetPointer();
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g_main_cp_state.array_strides[i] = 129;
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}
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// This test is only done 100x in a row since it's ~20x slower using the
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// current vertex loader implementation.
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for (int i = 0; i < 100; ++i)
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RunVertices(100000);
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}
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