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XCEngine/tests/RHI/integration/sphere/main.cpp

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#include <windows.h>
#include <filesystem>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <gtest/gtest.h>
#include <stb/stb_image.h>
#include "../fixtures/RHIIntegrationFixture.h"
#include "XCEngine/Core/Math/Matrix4.h"
#include "XCEngine/Core/Math/Vector3.h"
#include "XCEngine/Debug/ConsoleLogSink.h"
#include "XCEngine/Debug/Logger.h"
#include "XCEngine/RHI/RHIBuffer.h"
#include "XCEngine/RHI/RHIDescriptorPool.h"
#include "XCEngine/RHI/RHIDescriptorSet.h"
#include "XCEngine/RHI/RHIPipelineLayout.h"
#include "XCEngine/RHI/RHIPipelineState.h"
#include "XCEngine/RHI/RHIResourceView.h"
#include "XCEngine/RHI/RHISampler.h"
#include "XCEngine/RHI/RHITexture.h"
using namespace XCEngine::Debug;
using namespace XCEngine::Math;
using namespace XCEngine::RHI;
using namespace XCEngine::RHI::Integration;
namespace {
struct Vertex {
float pos[4];
float uv[2];
};
struct MatrixBufferData {
Matrix4x4 projection;
Matrix4x4 view;
Matrix4x4 model;
};
constexpr float kSphereRadius = 1.0f;
constexpr int kSphereSegments = 32;
constexpr float kPi = 3.14159265358979323846f;
constexpr uint32_t kSphereDescriptorFirstSet = 1;
constexpr uint32_t kSphereDescriptorSetCount = 4;
std::filesystem::path GetExecutableDirectory() {
char exePath[MAX_PATH] = {};
const DWORD length = GetModuleFileNameA(nullptr, exePath, MAX_PATH);
if (length == 0 || length >= MAX_PATH) {
return std::filesystem::current_path();
}
return std::filesystem::path(exePath).parent_path();
}
std::filesystem::path ResolveRuntimePath(const char* relativePath) {
return GetExecutableDirectory() / relativePath;
}
void GenerateSphere(std::vector<Vertex>& vertices, std::vector<uint32_t>& indices, float radius, int segments) {
vertices.clear();
indices.clear();
segments = segments < 3 ? 3 : segments;
for (int lat = 0; lat <= segments; ++lat) {
const float phi = kPi * static_cast<float>(lat) / static_cast<float>(segments);
const float sinPhi = sinf(phi);
const float cosPhi = cosf(phi);
for (int lon = 0; lon <= segments; ++lon) {
const float theta = (kPi * 2.0f) * static_cast<float>(lon) / static_cast<float>(segments);
const float sinTheta = sinf(theta);
const float cosTheta = cosf(theta);
Vertex vertex = {};
vertex.pos[0] = radius * sinPhi * cosTheta;
vertex.pos[1] = radius * cosPhi;
vertex.pos[2] = radius * sinPhi * sinTheta;
vertex.pos[3] = 1.0f;
vertex.uv[0] = static_cast<float>(lon) / static_cast<float>(segments);
vertex.uv[1] = static_cast<float>(lat) / static_cast<float>(segments);
vertices.push_back(vertex);
}
}
for (int lat = 0; lat < segments; ++lat) {
for (int lon = 0; lon < segments; ++lon) {
const uint32_t topLeft = static_cast<uint32_t>(lat * (segments + 1) + lon);
const uint32_t topRight = topLeft + 1;
const uint32_t bottomLeft = static_cast<uint32_t>((lat + 1) * (segments + 1) + lon);
const uint32_t bottomRight = bottomLeft + 1;
indices.push_back(topLeft);
indices.push_back(bottomLeft);
indices.push_back(topRight);
indices.push_back(topRight);
indices.push_back(bottomLeft);
indices.push_back(bottomRight);
}
}
}
MatrixBufferData CreateMatrixBufferData() {
const float aspect = 1280.0f / 720.0f;
const Matrix4x4 projection = Matrix4x4::Perspective(45.0f * 3.141592f / 180.0f, aspect, 0.1f, 1000.0f);
const Matrix4x4 view = Matrix4x4::Identity();
const Matrix4x4 model = Matrix4x4::Translation(Vector3(0.0f, 0.0f, 5.0f));
MatrixBufferData data = {};
data.projection = projection.Transpose();
data.view = view.Transpose();
data.model = model.Transpose();
return data;
}
const char kSphereHlsl[] = R"(
Texture2D gDiffuseTexture : register(t1);
SamplerState gSampler : register(s1);
cbuffer MatrixBuffer : register(b1) {
float4x4 gProjectionMatrix;
float4x4 gViewMatrix;
float4x4 gModelMatrix;
};
struct VSInput {
float4 position : POSITION;
float2 texcoord : TEXCOORD0;
};
struct PSInput {
float4 position : SV_POSITION;
float2 texcoord : TEXCOORD0;
};
PSInput MainVS(VSInput input) {
PSInput output;
float4 positionWS = mul(gModelMatrix, input.position);
float4 positionVS = mul(gViewMatrix, positionWS);
output.position = mul(gProjectionMatrix, positionVS);
output.texcoord = input.texcoord;
return output;
}
float4 MainPS(PSInput input) : SV_TARGET {
return gDiffuseTexture.Sample(gSampler, input.texcoord);
}
)";
const char kSphereVertexShader[] = R"(#version 430
layout(location = 0) in vec4 aPosition;
layout(location = 1) in vec2 aTexCoord;
layout(std140, binding = 1) uniform MatrixBuffer {
mat4 gProjectionMatrix;
mat4 gViewMatrix;
mat4 gModelMatrix;
};
out vec2 vTexCoord;
void main() {
vec4 positionWS = gModelMatrix * aPosition;
vec4 positionVS = gViewMatrix * positionWS;
gl_Position = gProjectionMatrix * positionVS;
vTexCoord = aTexCoord;
}
)";
const char kSphereFragmentShader[] = R"(#version 430
layout(binding = 1) uniform sampler2D uTexture;
in vec2 vTexCoord;
layout(location = 0) out vec4 fragColor;
void main() {
fragColor = texture(uTexture, vTexCoord);
}
)";
const char* GetScreenshotFilename(RHIType type) {
return type == RHIType::D3D12 ? "sphere_d3d12.ppm" : "sphere_opengl.ppm";
}
int GetComparisonThreshold(RHIType type) {
return type == RHIType::OpenGL ? 5 : 0;
}
RHITexture* LoadSphereTexture(RHIDevice* device) {
const std::filesystem::path texturePath = ResolveRuntimePath("Res/Image/earth.png");
const std::string texturePathString = texturePath.string();
stbi_set_flip_vertically_on_load(0);
int width = 0;
int height = 0;
int channels = 0;
stbi_uc* pixels = stbi_load(texturePathString.c_str(), &width, &height, &channels, STBI_rgb_alpha);
if (pixels == nullptr) {
Log("[TEST] Failed to load sphere texture: %s", texturePathString.c_str());
return nullptr;
}
TextureDesc textureDesc = {};
textureDesc.width = static_cast<uint32_t>(width);
textureDesc.height = static_cast<uint32_t>(height);
textureDesc.depth = 1;
textureDesc.mipLevels = 1;
textureDesc.arraySize = 1;
textureDesc.format = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
textureDesc.textureType = static_cast<uint32_t>(TextureType::Texture2D);
textureDesc.sampleCount = 1;
textureDesc.sampleQuality = 0;
textureDesc.flags = 0;
RHITexture* texture = device->CreateTexture(
textureDesc,
pixels,
static_cast<size_t>(width) * static_cast<size_t>(height) * 4,
static_cast<uint32_t>(width) * 4);
stbi_image_free(pixels);
return texture;
}
GraphicsPipelineDesc CreateSpherePipelineDesc(RHIType type, RHIPipelineLayout* pipelineLayout) {
GraphicsPipelineDesc desc = {};
desc.pipelineLayout = pipelineLayout;
desc.topologyType = static_cast<uint32_t>(PrimitiveTopologyType::Triangle);
desc.renderTargetFormats[0] = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
desc.depthStencilFormat = static_cast<uint32_t>(Format::D24_UNorm_S8_UInt);
desc.sampleCount = 1;
desc.rasterizerState.fillMode = static_cast<uint32_t>(FillMode::Solid);
desc.rasterizerState.cullMode = static_cast<uint32_t>(CullMode::None);
desc.rasterizerState.frontFace = static_cast<uint32_t>(FrontFace::CounterClockwise);
desc.rasterizerState.depthClipEnable = true;
desc.depthStencilState.depthTestEnable = true;
desc.depthStencilState.depthWriteEnable = true;
desc.depthStencilState.depthFunc = static_cast<uint32_t>(ComparisonFunc::Less);
desc.depthStencilState.stencilEnable = false;
InputElementDesc position = {};
position.semanticName = "POSITION";
position.semanticIndex = 0;
position.format = static_cast<uint32_t>(Format::R32G32B32A32_Float);
position.inputSlot = 0;
position.alignedByteOffset = 0;
desc.inputLayout.elements.push_back(position);
InputElementDesc texcoord = {};
texcoord.semanticName = "TEXCOORD";
texcoord.semanticIndex = 0;
texcoord.format = static_cast<uint32_t>(Format::R32G32_Float);
texcoord.inputSlot = 0;
texcoord.alignedByteOffset = sizeof(float) * 4;
desc.inputLayout.elements.push_back(texcoord);
if (type == RHIType::D3D12) {
desc.vertexShader.source.assign(kSphereHlsl, kSphereHlsl + strlen(kSphereHlsl));
desc.vertexShader.sourceLanguage = ShaderLanguage::HLSL;
desc.vertexShader.entryPoint = L"MainVS";
desc.vertexShader.profile = L"vs_5_0";
desc.fragmentShader.source.assign(kSphereHlsl, kSphereHlsl + strlen(kSphereHlsl));
desc.fragmentShader.sourceLanguage = ShaderLanguage::HLSL;
desc.fragmentShader.entryPoint = L"MainPS";
desc.fragmentShader.profile = L"ps_5_0";
} else {
desc.vertexShader.source.assign(kSphereVertexShader, kSphereVertexShader + strlen(kSphereVertexShader));
desc.vertexShader.sourceLanguage = ShaderLanguage::GLSL;
desc.vertexShader.profile = L"vs_4_30";
desc.fragmentShader.source.assign(kSphereFragmentShader, kSphereFragmentShader + strlen(kSphereFragmentShader));
desc.fragmentShader.sourceLanguage = ShaderLanguage::GLSL;
desc.fragmentShader.profile = L"fs_4_30";
}
return desc;
}
class SphereTest : public RHIIntegrationFixture {
protected:
void SetUp() override;
void TearDown() override;
void RenderFrame() override;
private:
void InitializeSphereResources();
void ShutdownSphereResources();
std::vector<Vertex> mVertices;
std::vector<uint32_t> mIndices;
RHIBuffer* mVertexBuffer = nullptr;
RHIResourceView* mVertexBufferView = nullptr;
RHIBuffer* mIndexBuffer = nullptr;
RHIResourceView* mIndexBufferView = nullptr;
RHITexture* mTexture = nullptr;
RHIResourceView* mTextureView = nullptr;
RHISampler* mSampler = nullptr;
RHIDescriptorPool* mConstantPool = nullptr;
RHIDescriptorSet* mConstantSet = nullptr;
RHIDescriptorPool* mTexturePool = nullptr;
RHIDescriptorSet* mTextureSet = nullptr;
RHIDescriptorPool* mSamplerPool = nullptr;
RHIDescriptorSet* mSamplerSet = nullptr;
RHIPipelineLayout* mPipelineLayout = nullptr;
RHIPipelineState* mPipelineState = nullptr;
};
void SphereTest::SetUp() {
RHIIntegrationFixture::SetUp();
InitializeSphereResources();
}
void SphereTest::TearDown() {
ShutdownSphereResources();
RHIIntegrationFixture::TearDown();
}
void SphereTest::InitializeSphereResources() {
GenerateSphere(mVertices, mIndices, kSphereRadius, kSphereSegments);
ASSERT_FALSE(mVertices.empty());
ASSERT_FALSE(mIndices.empty());
BufferDesc vertexBufferDesc = {};
vertexBufferDesc.size = static_cast<uint64_t>(mVertices.size() * sizeof(Vertex));
vertexBufferDesc.stride = sizeof(Vertex);
vertexBufferDesc.bufferType = static_cast<uint32_t>(BufferType::Vertex);
mVertexBuffer = GetDevice()->CreateBuffer(vertexBufferDesc);
ASSERT_NE(mVertexBuffer, nullptr);
mVertexBuffer->SetData(mVertices.data(), mVertices.size() * sizeof(Vertex));
mVertexBuffer->SetStride(sizeof(Vertex));
mVertexBuffer->SetBufferType(BufferType::Vertex);
ResourceViewDesc vertexViewDesc = {};
vertexViewDesc.dimension = ResourceViewDimension::Buffer;
vertexViewDesc.structureByteStride = sizeof(Vertex);
mVertexBufferView = GetDevice()->CreateVertexBufferView(mVertexBuffer, vertexViewDesc);
ASSERT_NE(mVertexBufferView, nullptr);
BufferDesc indexBufferDesc = {};
indexBufferDesc.size = static_cast<uint64_t>(mIndices.size() * sizeof(uint32_t));
indexBufferDesc.stride = sizeof(uint32_t);
indexBufferDesc.bufferType = static_cast<uint32_t>(BufferType::Index);
mIndexBuffer = GetDevice()->CreateBuffer(indexBufferDesc);
ASSERT_NE(mIndexBuffer, nullptr);
mIndexBuffer->SetData(mIndices.data(), mIndices.size() * sizeof(uint32_t));
mIndexBuffer->SetStride(sizeof(uint32_t));
mIndexBuffer->SetBufferType(BufferType::Index);
ResourceViewDesc indexViewDesc = {};
indexViewDesc.dimension = ResourceViewDimension::Buffer;
indexViewDesc.format = static_cast<uint32_t>(Format::R32_UInt);
mIndexBufferView = GetDevice()->CreateIndexBufferView(mIndexBuffer, indexViewDesc);
ASSERT_NE(mIndexBufferView, nullptr);
mTexture = LoadSphereTexture(GetDevice());
ASSERT_NE(mTexture, nullptr);
ResourceViewDesc textureViewDesc = {};
textureViewDesc.format = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
textureViewDesc.dimension = ResourceViewDimension::Texture2D;
textureViewDesc.mipLevel = 0;
mTextureView = GetDevice()->CreateShaderResourceView(mTexture, textureViewDesc);
ASSERT_NE(mTextureView, nullptr);
SamplerDesc samplerDesc = {};
samplerDesc.filter = static_cast<uint32_t>(FilterMode::Linear);
samplerDesc.addressU = static_cast<uint32_t>(TextureAddressMode::Clamp);
samplerDesc.addressV = static_cast<uint32_t>(TextureAddressMode::Clamp);
samplerDesc.addressW = static_cast<uint32_t>(TextureAddressMode::Clamp);
samplerDesc.mipLodBias = 0.0f;
samplerDesc.maxAnisotropy = 1;
samplerDesc.comparisonFunc = static_cast<uint32_t>(ComparisonFunc::Always);
samplerDesc.borderColorR = 0.0f;
samplerDesc.borderColorG = 0.0f;
samplerDesc.borderColorB = 0.0f;
samplerDesc.borderColorA = 0.0f;
samplerDesc.minLod = 0.0f;
samplerDesc.maxLod = 1000.0f;
mSampler = GetDevice()->CreateSampler(samplerDesc);
ASSERT_NE(mSampler, nullptr);
DescriptorPoolDesc constantPoolDesc = {};
constantPoolDesc.type = DescriptorHeapType::CBV_SRV_UAV;
constantPoolDesc.descriptorCount = 1;
constantPoolDesc.shaderVisible = false;
mConstantPool = GetDevice()->CreateDescriptorPool(constantPoolDesc);
ASSERT_NE(mConstantPool, nullptr);
DescriptorSetLayoutBinding constantBinding = {};
constantBinding.binding = 0;
constantBinding.type = static_cast<uint32_t>(DescriptorType::CBV);
constantBinding.count = 1;
DescriptorSetLayoutDesc constantLayoutDesc = {};
constantLayoutDesc.bindings = &constantBinding;
constantLayoutDesc.bindingCount = 1;
mConstantSet = mConstantPool->AllocateSet(constantLayoutDesc);
ASSERT_NE(mConstantSet, nullptr);
const MatrixBufferData matrixData = CreateMatrixBufferData();
mConstantSet->WriteConstant(0, &matrixData, sizeof(matrixData));
DescriptorPoolDesc texturePoolDesc = {};
texturePoolDesc.type = DescriptorHeapType::CBV_SRV_UAV;
texturePoolDesc.descriptorCount = 1;
texturePoolDesc.shaderVisible = true;
mTexturePool = GetDevice()->CreateDescriptorPool(texturePoolDesc);
ASSERT_NE(mTexturePool, nullptr);
DescriptorSetLayoutBinding textureBinding = {};
textureBinding.binding = 0;
textureBinding.type = static_cast<uint32_t>(DescriptorType::SRV);
textureBinding.count = 1;
DescriptorSetLayoutDesc textureLayoutDesc = {};
textureLayoutDesc.bindings = &textureBinding;
textureLayoutDesc.bindingCount = 1;
mTextureSet = mTexturePool->AllocateSet(textureLayoutDesc);
ASSERT_NE(mTextureSet, nullptr);
mTextureSet->Update(0, mTextureView);
DescriptorPoolDesc samplerPoolDesc = {};
samplerPoolDesc.type = DescriptorHeapType::Sampler;
samplerPoolDesc.descriptorCount = 1;
samplerPoolDesc.shaderVisible = true;
mSamplerPool = GetDevice()->CreateDescriptorPool(samplerPoolDesc);
ASSERT_NE(mSamplerPool, nullptr);
DescriptorSetLayoutBinding samplerBinding = {};
samplerBinding.binding = 0;
samplerBinding.type = static_cast<uint32_t>(DescriptorType::Sampler);
samplerBinding.count = 1;
DescriptorSetLayoutDesc samplerLayoutDesc = {};
samplerLayoutDesc.bindings = &samplerBinding;
samplerLayoutDesc.bindingCount = 1;
mSamplerSet = mSamplerPool->AllocateSet(samplerLayoutDesc);
ASSERT_NE(mSamplerSet, nullptr);
mSamplerSet->UpdateSampler(0, mSampler);
DescriptorSetLayoutBinding reservedSetBindings[3] = {};
reservedSetBindings[0].binding = 0;
reservedSetBindings[0].type = static_cast<uint32_t>(DescriptorType::CBV);
reservedSetBindings[0].count = 1;
reservedSetBindings[1].binding = 0;
reservedSetBindings[1].type = static_cast<uint32_t>(DescriptorType::SRV);
reservedSetBindings[1].count = 1;
reservedSetBindings[2].binding = 0;
reservedSetBindings[2].type = static_cast<uint32_t>(DescriptorType::Sampler);
reservedSetBindings[2].count = 1;
DescriptorSetLayoutDesc reservedLayoutDesc = {};
reservedLayoutDesc.bindings = reservedSetBindings;
reservedLayoutDesc.bindingCount = 3;
DescriptorSetLayoutDesc setLayouts[kSphereDescriptorSetCount] = {};
// Reserve slot0 so the bound sets land on binding point 1 for every descriptor class.
setLayouts[0] = reservedLayoutDesc;
setLayouts[1] = constantLayoutDesc;
setLayouts[2] = textureLayoutDesc;
setLayouts[3] = samplerLayoutDesc;
RHIPipelineLayoutDesc pipelineLayoutDesc = {};
pipelineLayoutDesc.setLayouts = setLayouts;
pipelineLayoutDesc.setLayoutCount = kSphereDescriptorSetCount;
mPipelineLayout = GetDevice()->CreatePipelineLayout(pipelineLayoutDesc);
ASSERT_NE(mPipelineLayout, nullptr);
GraphicsPipelineDesc pipelineDesc = CreateSpherePipelineDesc(GetBackendType(), mPipelineLayout);
mPipelineState = GetDevice()->CreatePipelineState(pipelineDesc);
ASSERT_NE(mPipelineState, nullptr);
ASSERT_TRUE(mPipelineState->IsValid());
Log("[TEST] Sphere resources initialized for backend %d", static_cast<int>(GetBackendType()));
}
void SphereTest::ShutdownSphereResources() {
if (mPipelineState != nullptr) {
mPipelineState->Shutdown();
delete mPipelineState;
mPipelineState = nullptr;
}
if (mPipelineLayout != nullptr) {
mPipelineLayout->Shutdown();
delete mPipelineLayout;
mPipelineLayout = nullptr;
}
if (mConstantSet != nullptr) {
mConstantSet->Shutdown();
delete mConstantSet;
mConstantSet = nullptr;
}
if (mTextureSet != nullptr) {
mTextureSet->Shutdown();
delete mTextureSet;
mTextureSet = nullptr;
}
if (mSamplerSet != nullptr) {
mSamplerSet->Shutdown();
delete mSamplerSet;
mSamplerSet = nullptr;
}
if (mConstantPool != nullptr) {
mConstantPool->Shutdown();
delete mConstantPool;
mConstantPool = nullptr;
}
if (mTexturePool != nullptr) {
mTexturePool->Shutdown();
delete mTexturePool;
mTexturePool = nullptr;
}
if (mSamplerPool != nullptr) {
mSamplerPool->Shutdown();
delete mSamplerPool;
mSamplerPool = nullptr;
}
if (mSampler != nullptr) {
mSampler->Shutdown();
delete mSampler;
mSampler = nullptr;
}
if (mTextureView != nullptr) {
mTextureView->Shutdown();
delete mTextureView;
mTextureView = nullptr;
}
if (mTexture != nullptr) {
mTexture->Shutdown();
delete mTexture;
mTexture = nullptr;
}
if (mVertexBufferView != nullptr) {
mVertexBufferView->Shutdown();
delete mVertexBufferView;
mVertexBufferView = nullptr;
}
if (mIndexBufferView != nullptr) {
mIndexBufferView->Shutdown();
delete mIndexBufferView;
mIndexBufferView = nullptr;
}
if (mVertexBuffer != nullptr) {
mVertexBuffer->Shutdown();
delete mVertexBuffer;
mVertexBuffer = nullptr;
}
if (mIndexBuffer != nullptr) {
mIndexBuffer->Shutdown();
delete mIndexBuffer;
mIndexBuffer = nullptr;
}
}
void SphereTest::RenderFrame() {
ASSERT_NE(mPipelineState, nullptr);
ASSERT_NE(mPipelineLayout, nullptr);
ASSERT_NE(mConstantSet, nullptr);
ASSERT_NE(mTextureSet, nullptr);
ASSERT_NE(mSamplerSet, nullptr);
ASSERT_NE(mVertexBufferView, nullptr);
ASSERT_NE(mIndexBufferView, nullptr);
RHICommandList* cmdList = GetCommandList();
RHICommandQueue* cmdQueue = GetCommandQueue();
ASSERT_NE(cmdList, nullptr);
ASSERT_NE(cmdQueue, nullptr);
cmdList->Reset();
SetRenderTargetForClear(true);
Viewport viewport = { 0.0f, 0.0f, 1280.0f, 720.0f, 0.0f, 1.0f };
Rect scissorRect = { 0, 0, 1280, 720 };
cmdList->SetViewport(viewport);
cmdList->SetScissorRect(scissorRect);
cmdList->Clear(0.0f, 0.0f, 1.0f, 1.0f, 1 | 2);
cmdList->SetPipelineState(mPipelineState);
RHIDescriptorSet* descriptorSets[] = { mConstantSet, mTextureSet, mSamplerSet };
cmdList->SetGraphicsDescriptorSets(kSphereDescriptorFirstSet, 3, descriptorSets, mPipelineLayout);
cmdList->SetPrimitiveTopology(PrimitiveTopology::TriangleList);
RHIResourceView* vertexBuffers[] = { mVertexBufferView };
uint64_t offsets[] = { 0 };
uint32_t strides[] = { sizeof(Vertex) };
cmdList->SetVertexBuffers(0, 1, vertexBuffers, offsets, strides);
cmdList->SetIndexBuffer(mIndexBufferView, 0);
cmdList->DrawIndexed(static_cast<uint32_t>(mIndices.size()));
EndRender();
cmdList->Close();
void* cmdLists[] = { cmdList };
cmdQueue->ExecuteCommandLists(1, cmdLists);
}
TEST_P(SphereTest, RenderSphere) {
RHICommandQueue* cmdQueue = GetCommandQueue();
RHISwapChain* swapChain = GetSwapChain();
const int targetFrameCount = 30;
const char* screenshotFilename = GetScreenshotFilename(GetBackendType());
const int comparisonThreshold = GetComparisonThreshold(GetBackendType());
for (int frameCount = 0; frameCount <= targetFrameCount; ++frameCount) {
if (frameCount > 0) {
cmdQueue->WaitForPreviousFrame();
}
Log("[TEST] Sphere MainLoop: frame %d", frameCount);
BeginRender();
RenderFrame();
if (frameCount >= targetFrameCount) {
cmdQueue->WaitForIdle();
Log("[TEST] Sphere MainLoop: frame %d reached, capturing %s", frameCount, screenshotFilename);
ASSERT_TRUE(TakeScreenshot(screenshotFilename));
ASSERT_TRUE(CompareWithGoldenTemplate(screenshotFilename, "GT.ppm", static_cast<float>(comparisonThreshold)));
Log("[TEST] Sphere MainLoop: frame %d compare passed", frameCount);
break;
}
swapChain->Present(0, 0);
}
}
} // namespace
INSTANTIATE_TEST_SUITE_P(D3D12, SphereTest, ::testing::Values(RHIType::D3D12));
INSTANTIATE_TEST_SUITE_P(OpenGL, SphereTest, ::testing::Values(RHIType::OpenGL));
GTEST_API_ int main(int argc, char** argv) {
Logger::Get().Initialize();
Logger::Get().AddSink(std::make_unique<ConsoleLogSink>());
Logger::Get().SetMinimumLevel(LogLevel::Debug);
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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