Add object-id rendering integration coverage
This commit is contained in:
593
tests/Rendering/integration/object_id_scene/main.cpp
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593
tests/Rendering/integration/object_id_scene/main.cpp
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#include <gtest/gtest.h>
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#include "../RenderingIntegrationMain.h"
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#include <XCEngine/Components/CameraComponent.h>
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#include <XCEngine/Components/GameObject.h>
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#include <XCEngine/Components/MeshFilterComponent.h>
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#include <XCEngine/Components/MeshRendererComponent.h>
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#include <XCEngine/Core/Asset/IResource.h>
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#include <XCEngine/Core/Math/Color.h>
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#include <XCEngine/Core/Math/Vector2.h>
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#include <XCEngine/Core/Math/Vector3.h>
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#include <XCEngine/Debug/ConsoleLogSink.h>
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#include <XCEngine/Debug/Logger.h>
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#include <XCEngine/Rendering/CameraRenderRequest.h>
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#include <XCEngine/Rendering/CameraRenderer.h>
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#include <XCEngine/Rendering/ObjectIdEncoding.h>
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#include <XCEngine/Rendering/RenderContext.h>
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#include <XCEngine/Rendering/RenderSurface.h>
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#include <XCEngine/Resources/BuiltinResources.h>
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#include <XCEngine/Resources/Material/Material.h>
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#include <XCEngine/Resources/Mesh/Mesh.h>
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#include <XCEngine/Resources/Shader/Shader.h>
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#include <XCEngine/Resources/Texture/Texture.h>
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#include <XCEngine/RHI/RHITexture.h>
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#include <XCEngine/Scene/Scene.h>
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#include "../../../RHI/integration/fixtures/RHIIntegrationFixture.h"
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#include <array>
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#include <cstdint>
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#include <filesystem>
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#include <fstream>
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#include <memory>
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#include <string>
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#include <vector>
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#include <windows.h>
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using namespace XCEngine::Components;
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using namespace XCEngine::Debug;
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using namespace XCEngine::Math;
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using namespace XCEngine::Rendering;
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using namespace XCEngine::Resources;
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using namespace XCEngine::RHI;
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using namespace XCEngine::RHI::Integration;
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namespace {
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constexpr const char* kD3D12Screenshot = "object_id_scene_d3d12.ppm";
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constexpr const char* kOpenGLScreenshot = "object_id_scene_opengl.ppm";
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constexpr const char* kVulkanScreenshot = "object_id_scene_vulkan.ppm";
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constexpr uint32_t kFrameWidth = 1280;
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constexpr uint32_t kFrameHeight = 720;
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struct PpmImage {
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uint32_t width = 0;
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uint32_t height = 0;
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std::vector<uint8_t> rgb;
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std::array<uint8_t, 3> GetPixel(uint32_t x, uint32_t y) const {
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const size_t index = (static_cast<size_t>(y) * width + x) * 3u;
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return { rgb[index + 0], rgb[index + 1], rgb[index + 2] };
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}
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};
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std::filesystem::path GetExecutableDirectory() {
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char exePath[MAX_PATH] = {};
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const DWORD length = GetModuleFileNameA(nullptr, exePath, MAX_PATH);
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if (length == 0 || length >= MAX_PATH) {
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return std::filesystem::current_path();
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}
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return std::filesystem::path(exePath).parent_path();
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}
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std::filesystem::path ResolveRuntimePath(const char* path) {
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std::filesystem::path resolved(path);
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if (resolved.is_absolute()) {
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return resolved;
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}
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return GetExecutableDirectory() / resolved;
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}
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std::string ReadNextPpmToken(std::istream& stream) {
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std::string token;
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while (stream >> token) {
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if (!token.empty() && token[0] == '#') {
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std::string ignored;
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std::getline(stream, ignored);
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continue;
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}
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return token;
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}
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return {};
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}
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PpmImage LoadPpmImage(const std::filesystem::path& path) {
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std::ifstream file(path, std::ios::binary);
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EXPECT_TRUE(file.is_open()) << path.string();
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PpmImage image;
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if (!file.is_open()) {
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return image;
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}
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const std::string magic = ReadNextPpmToken(file);
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EXPECT_EQ(magic, "P6");
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if (magic != "P6") {
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return image;
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}
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const std::string widthToken = ReadNextPpmToken(file);
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const std::string heightToken = ReadNextPpmToken(file);
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const std::string maxValueToken = ReadNextPpmToken(file);
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EXPECT_FALSE(widthToken.empty());
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EXPECT_FALSE(heightToken.empty());
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EXPECT_FALSE(maxValueToken.empty());
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if (widthToken.empty() || heightToken.empty() || maxValueToken.empty()) {
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return image;
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}
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image.width = static_cast<uint32_t>(std::stoul(widthToken));
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image.height = static_cast<uint32_t>(std::stoul(heightToken));
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EXPECT_EQ(std::stoul(maxValueToken), 255u);
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file.get();
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image.rgb.resize(static_cast<size_t>(image.width) * image.height * 3u);
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file.read(reinterpret_cast<char*>(image.rgb.data()), static_cast<std::streamsize>(image.rgb.size()));
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EXPECT_EQ(file.gcount(), static_cast<std::streamsize>(image.rgb.size()));
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return image;
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}
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std::array<uint8_t, 3> EncodeObjectIdToRgb(uint64_t objectId) {
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const uint32_t encodedId = EncodeObjectIdToUInt32(objectId);
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return {
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static_cast<uint8_t>((encodedId >> 0u) & 0xFFu),
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static_cast<uint8_t>((encodedId >> 8u) & 0xFFu),
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static_cast<uint8_t>((encodedId >> 16u) & 0xFFu)
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};
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}
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void ExpectPixelEquals(
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const PpmImage& image,
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uint32_t x,
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uint32_t y,
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const std::array<uint8_t, 3>& expected,
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const char* label) {
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ASSERT_LT(x, image.width);
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ASSERT_LT(y, image.height);
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const std::array<uint8_t, 3> actual = image.GetPixel(x, y);
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EXPECT_EQ(actual[0], expected[0]) << label << " @ (" << x << ", " << y << ") red";
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EXPECT_EQ(actual[1], expected[1]) << label << " @ (" << x << ", " << y << ") green";
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EXPECT_EQ(actual[2], expected[2]) << label << " @ (" << x << ", " << y << ") blue";
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}
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Mesh* CreateQuadMesh() {
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auto* mesh = new Mesh();
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IResource::ConstructParams params = {};
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params.name = "ObjectIdQuad";
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params.path = "Tests/Rendering/ObjectIdQuad.mesh";
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params.guid = ResourceGUID::Generate(params.path);
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mesh->Initialize(params);
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StaticMeshVertex vertices[4] = {};
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vertices[0].position = Vector3(-1.0f, -1.0f, 0.0f);
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vertices[0].uv0 = Vector2(0.0f, 1.0f);
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vertices[1].position = Vector3(-1.0f, 1.0f, 0.0f);
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vertices[1].uv0 = Vector2(0.0f, 0.0f);
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vertices[2].position = Vector3(1.0f, -1.0f, 0.0f);
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vertices[2].uv0 = Vector2(1.0f, 1.0f);
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vertices[3].position = Vector3(1.0f, 1.0f, 0.0f);
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vertices[3].uv0 = Vector2(1.0f, 0.0f);
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const uint32_t indices[6] = { 0, 1, 2, 2, 1, 3 };
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mesh->SetVertexData(
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vertices,
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sizeof(vertices),
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4,
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sizeof(StaticMeshVertex),
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VertexAttribute::Position | VertexAttribute::UV0);
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mesh->SetIndexData(indices, sizeof(indices), 6, true);
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MeshSection section = {};
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section.baseVertex = 0;
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section.vertexCount = 4;
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section.startIndex = 0;
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section.indexCount = 6;
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section.materialID = 0;
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mesh->AddSection(section);
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return mesh;
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}
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Texture* CreateSolidTexture() {
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auto* texture = new Texture();
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IResource::ConstructParams params = {};
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params.name = "ObjectIdWhite";
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params.path = "Tests/Rendering/ObjectIdWhite.texture";
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params.guid = ResourceGUID::Generate(params.path);
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texture->Initialize(params);
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const unsigned char rgba[4] = { 255, 255, 255, 255 };
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texture->Create(
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1,
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1,
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1,
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1,
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XCEngine::Resources::TextureType::Texture2D,
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XCEngine::Resources::TextureFormat::RGBA8_UNORM,
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rgba,
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sizeof(rgba));
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return texture;
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}
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Material* CreateUnlitMaterial(Texture* texture) {
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auto* material = new Material();
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IResource::ConstructParams params = {};
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params.name = "ObjectIdMaterial";
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params.path = "Tests/Rendering/ObjectId.material";
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params.guid = ResourceGUID::Generate(params.path);
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material->Initialize(params);
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material->SetShader(ResourceManager::Get().Load<Shader>(GetBuiltinUnlitShaderPath()));
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material->SetShaderPass("Unlit");
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material->SetTexture("_MainTex", ResourceHandle<Texture>(texture));
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return material;
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}
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GameObject* CreateQuadObject(
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Scene& scene,
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const char* name,
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Mesh* mesh,
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Material* material,
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const Vector3& position,
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const Vector3& scale) {
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GameObject* gameObject = scene.CreateGameObject(name);
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gameObject->GetTransform()->SetLocalPosition(position);
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gameObject->GetTransform()->SetLocalScale(scale);
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auto* meshFilter = gameObject->AddComponent<MeshFilterComponent>();
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auto* meshRenderer = gameObject->AddComponent<MeshRendererComponent>();
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meshFilter->SetMesh(ResourceHandle<Mesh>(mesh));
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meshRenderer->SetMaterial(0, ResourceHandle<Material>(material));
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return gameObject;
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}
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const char* GetScreenshotFilename(RHIType backendType) {
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switch (backendType) {
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case RHIType::D3D12:
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return kD3D12Screenshot;
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case RHIType::Vulkan:
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return kVulkanScreenshot;
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case RHIType::OpenGL:
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default:
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return kOpenGLScreenshot;
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}
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}
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class ObjectIdSceneTest : public RHIIntegrationFixture {
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protected:
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void SetUp() override;
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void TearDown() override;
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void RenderFrame() override;
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bool RequiresSwapChainAcquire() const override { return false; }
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void VerifyObjectIdScreenshot(const char* screenshotFilename);
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private:
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void BuildScene();
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RHIResourceView* GetCurrentBackBufferView();
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std::unique_ptr<Scene> mScene;
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std::unique_ptr<CameraRenderer> mCameraRenderer;
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std::vector<RHIResourceView*> mBackBufferViews;
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RHITexture* mMainColorTexture = nullptr;
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RHIResourceView* mMainColorView = nullptr;
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RHITexture* mObjectIdColorTexture = nullptr;
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RHIResourceView* mObjectIdColorView = nullptr;
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RHITexture* mDepthTexture = nullptr;
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RHIResourceView* mDepthView = nullptr;
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Mesh* mMesh = nullptr;
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Material* mMaterial = nullptr;
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Texture* mTexture = nullptr;
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CameraComponent* mCamera = nullptr;
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GameObject* mLeftObject = nullptr;
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GameObject* mRightObject = nullptr;
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GameObject* mBackObject = nullptr;
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GameObject* mFrontObject = nullptr;
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ResourceStates mBackBufferState = ResourceStates::Present;
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};
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void ObjectIdSceneTest::SetUp() {
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RHIIntegrationFixture::SetUp();
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mCameraRenderer = std::make_unique<CameraRenderer>();
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mScene = std::make_unique<Scene>("ObjectIdScene");
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mMesh = CreateQuadMesh();
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mTexture = CreateSolidTexture();
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mMaterial = CreateUnlitMaterial(mTexture);
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BuildScene();
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TextureDesc colorDesc = {};
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colorDesc.width = kFrameWidth;
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colorDesc.height = kFrameHeight;
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colorDesc.depth = 1;
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colorDesc.mipLevels = 1;
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colorDesc.arraySize = 1;
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colorDesc.format = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
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colorDesc.textureType = static_cast<uint32_t>(XCEngine::RHI::TextureType::Texture2D);
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colorDesc.sampleCount = 1;
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colorDesc.sampleQuality = 0;
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colorDesc.flags = 0;
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mMainColorTexture = GetDevice()->CreateTexture(colorDesc);
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ASSERT_NE(mMainColorTexture, nullptr);
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mObjectIdColorTexture = GetDevice()->CreateTexture(colorDesc);
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ASSERT_NE(mObjectIdColorTexture, nullptr);
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ResourceViewDesc colorViewDesc = {};
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colorViewDesc.format = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
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colorViewDesc.dimension = ResourceViewDimension::Texture2D;
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colorViewDesc.mipLevel = 0;
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mMainColorView = GetDevice()->CreateRenderTargetView(mMainColorTexture, colorViewDesc);
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ASSERT_NE(mMainColorView, nullptr);
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mObjectIdColorView = GetDevice()->CreateRenderTargetView(mObjectIdColorTexture, colorViewDesc);
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ASSERT_NE(mObjectIdColorView, nullptr);
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TextureDesc depthDesc = {};
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depthDesc.width = kFrameWidth;
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depthDesc.height = kFrameHeight;
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depthDesc.depth = 1;
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depthDesc.mipLevels = 1;
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depthDesc.arraySize = 1;
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depthDesc.format = static_cast<uint32_t>(Format::D24_UNorm_S8_UInt);
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depthDesc.textureType = static_cast<uint32_t>(XCEngine::RHI::TextureType::Texture2D);
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depthDesc.sampleCount = 1;
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depthDesc.sampleQuality = 0;
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depthDesc.flags = 0;
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mDepthTexture = GetDevice()->CreateTexture(depthDesc);
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ASSERT_NE(mDepthTexture, nullptr);
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ResourceViewDesc depthViewDesc = {};
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depthViewDesc.format = static_cast<uint32_t>(Format::D24_UNorm_S8_UInt);
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depthViewDesc.dimension = ResourceViewDimension::Texture2D;
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depthViewDesc.mipLevel = 0;
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mDepthView = GetDevice()->CreateDepthStencilView(mDepthTexture, depthViewDesc);
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ASSERT_NE(mDepthView, nullptr);
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mBackBufferViews.resize(2, nullptr);
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mBackBufferState = ResourceStates::Present;
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}
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void ObjectIdSceneTest::TearDown() {
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mCameraRenderer.reset();
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if (mDepthView != nullptr) {
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mDepthView->Shutdown();
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delete mDepthView;
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mDepthView = nullptr;
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}
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if (mDepthTexture != nullptr) {
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mDepthTexture->Shutdown();
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delete mDepthTexture;
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mDepthTexture = nullptr;
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}
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if (mObjectIdColorView != nullptr) {
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mObjectIdColorView->Shutdown();
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delete mObjectIdColorView;
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mObjectIdColorView = nullptr;
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}
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if (mObjectIdColorTexture != nullptr) {
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mObjectIdColorTexture->Shutdown();
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delete mObjectIdColorTexture;
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mObjectIdColorTexture = nullptr;
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}
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if (mMainColorView != nullptr) {
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mMainColorView->Shutdown();
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delete mMainColorView;
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mMainColorView = nullptr;
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}
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if (mMainColorTexture != nullptr) {
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mMainColorTexture->Shutdown();
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delete mMainColorTexture;
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mMainColorTexture = nullptr;
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}
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for (RHIResourceView*& backBufferView : mBackBufferViews) {
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if (backBufferView != nullptr) {
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backBufferView->Shutdown();
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delete backBufferView;
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backBufferView = nullptr;
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}
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}
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mBackBufferViews.clear();
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mScene.reset();
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delete mMaterial;
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mMaterial = nullptr;
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delete mMesh;
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mMesh = nullptr;
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delete mTexture;
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mTexture = nullptr;
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mCamera = nullptr;
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mLeftObject = nullptr;
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mRightObject = nullptr;
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mBackObject = nullptr;
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mFrontObject = nullptr;
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RHIIntegrationFixture::TearDown();
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}
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void ObjectIdSceneTest::BuildScene() {
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ASSERT_NE(mScene, nullptr);
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ASSERT_NE(mMesh, nullptr);
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ASSERT_NE(mMaterial, nullptr);
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GameObject* cameraObject = mScene->CreateGameObject("MainCamera");
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mCamera = cameraObject->AddComponent<CameraComponent>();
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mCamera->SetPrimary(true);
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mCamera->SetProjectionType(CameraProjectionType::Orthographic);
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mCamera->SetOrthographicSize(2.0f);
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mCamera->SetNearClipPlane(0.1f);
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mCamera->SetFarClipPlane(10.0f);
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mCamera->SetClearColor(XCEngine::Math::Color(0.02f, 0.02f, 0.02f, 1.0f));
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mLeftObject = CreateQuadObject(
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*mScene,
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"LeftObject",
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mMesh,
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mMaterial,
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Vector3(-1.8f, 0.0f, 3.0f),
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Vector3(1.1f, 1.1f, 1.0f));
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mRightObject = CreateQuadObject(
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*mScene,
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"RightObject",
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mMesh,
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mMaterial,
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Vector3(1.8f, 0.0f, 3.0f),
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Vector3(1.1f, 1.1f, 1.0f));
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mBackObject = CreateQuadObject(
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*mScene,
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"BackObject",
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mMesh,
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mMaterial,
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Vector3(0.0f, 0.0f, 3.5f),
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Vector3(1.6f, 1.8f, 1.0f));
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mFrontObject = CreateQuadObject(
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*mScene,
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"FrontObject",
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||||
mMesh,
|
||||
mMaterial,
|
||||
Vector3(0.0f, 0.0f, 2.7f),
|
||||
Vector3(0.7f, 0.7f, 1.0f));
|
||||
}
|
||||
|
||||
RHIResourceView* ObjectIdSceneTest::GetCurrentBackBufferView() {
|
||||
const int backBufferIndex = GetCurrentBackBufferIndex();
|
||||
if (backBufferIndex < 0) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (static_cast<size_t>(backBufferIndex) >= mBackBufferViews.size()) {
|
||||
mBackBufferViews.resize(static_cast<size_t>(backBufferIndex) + 1, nullptr);
|
||||
}
|
||||
|
||||
if (mBackBufferViews[backBufferIndex] == nullptr) {
|
||||
ResourceViewDesc viewDesc = {};
|
||||
viewDesc.format = static_cast<uint32_t>(Format::R8G8B8A8_UNorm);
|
||||
viewDesc.dimension = ResourceViewDimension::Texture2D;
|
||||
viewDesc.mipLevel = 0;
|
||||
mBackBufferViews[backBufferIndex] = GetDevice()->CreateRenderTargetView(GetCurrentBackBuffer(), viewDesc);
|
||||
}
|
||||
|
||||
return mBackBufferViews[backBufferIndex];
|
||||
}
|
||||
|
||||
void ObjectIdSceneTest::RenderFrame() {
|
||||
ASSERT_NE(mScene, nullptr);
|
||||
ASSERT_NE(mCameraRenderer, nullptr);
|
||||
ASSERT_NE(mCamera, nullptr);
|
||||
ASSERT_NE(mMainColorView, nullptr);
|
||||
ASSERT_NE(mObjectIdColorView, nullptr);
|
||||
ASSERT_NE(mDepthView, nullptr);
|
||||
|
||||
RHICommandList* commandList = GetCommandList();
|
||||
ASSERT_NE(commandList, nullptr);
|
||||
|
||||
RHIResourceView* backBufferView = GetCurrentBackBufferView();
|
||||
ASSERT_NE(backBufferView, nullptr);
|
||||
|
||||
commandList->Reset();
|
||||
|
||||
RenderSurface mainSurface(kFrameWidth, kFrameHeight);
|
||||
mainSurface.SetColorAttachment(mMainColorView);
|
||||
mainSurface.SetDepthAttachment(mDepthView);
|
||||
mainSurface.SetColorStateBefore(ResourceStates::Common);
|
||||
mainSurface.SetColorStateAfter(ResourceStates::Common);
|
||||
|
||||
RenderSurface objectIdSurface(kFrameWidth, kFrameHeight);
|
||||
objectIdSurface.SetColorAttachment(mObjectIdColorView);
|
||||
objectIdSurface.SetDepthAttachment(mDepthView);
|
||||
objectIdSurface.SetColorStateBefore(ResourceStates::Common);
|
||||
objectIdSurface.SetColorStateAfter(ResourceStates::CopySrc);
|
||||
|
||||
RenderContext renderContext = {};
|
||||
renderContext.device = GetDevice();
|
||||
renderContext.commandList = commandList;
|
||||
renderContext.commandQueue = GetCommandQueue();
|
||||
renderContext.backendType = GetBackendType();
|
||||
|
||||
CameraRenderRequest request = {};
|
||||
request.scene = mScene.get();
|
||||
request.camera = mCamera;
|
||||
request.context = renderContext;
|
||||
request.surface = mainSurface;
|
||||
request.objectId.surface = objectIdSurface;
|
||||
|
||||
ASSERT_TRUE(mCameraRenderer->Render(request));
|
||||
|
||||
commandList->TransitionBarrier(backBufferView, mBackBufferState, ResourceStates::CopyDst);
|
||||
commandList->CopyResource(backBufferView, mObjectIdColorView);
|
||||
commandList->TransitionBarrier(mObjectIdColorView, ResourceStates::CopySrc, ResourceStates::Common);
|
||||
commandList->TransitionBarrier(backBufferView, ResourceStates::CopyDst, ResourceStates::RenderTarget);
|
||||
commandList->SetRenderTargets(1, &backBufferView, nullptr);
|
||||
mBackBufferState = ResourceStates::RenderTarget;
|
||||
|
||||
commandList->Close();
|
||||
void* commandLists[] = { commandList };
|
||||
GetCommandQueue()->ExecuteCommandLists(1, commandLists);
|
||||
}
|
||||
|
||||
void ObjectIdSceneTest::VerifyObjectIdScreenshot(const char* screenshotFilename) {
|
||||
ASSERT_NE(mLeftObject, nullptr);
|
||||
ASSERT_NE(mRightObject, nullptr);
|
||||
ASSERT_NE(mBackObject, nullptr);
|
||||
ASSERT_NE(mFrontObject, nullptr);
|
||||
|
||||
const PpmImage image = LoadPpmImage(ResolveRuntimePath(screenshotFilename));
|
||||
ASSERT_EQ(image.width, kFrameWidth);
|
||||
ASSERT_EQ(image.height, kFrameHeight);
|
||||
|
||||
ExpectPixelEquals(image, 60, 60, { 0, 0, 0 }, "background");
|
||||
ExpectPixelEquals(image, 320, 360, EncodeObjectIdToRgb(mLeftObject->GetID()), "left object");
|
||||
ExpectPixelEquals(image, 960, 360, EncodeObjectIdToRgb(mRightObject->GetID()), "right object");
|
||||
ExpectPixelEquals(image, 640, 220, EncodeObjectIdToRgb(mBackObject->GetID()), "back object visible region");
|
||||
ExpectPixelEquals(image, 640, 360, EncodeObjectIdToRgb(mFrontObject->GetID()), "front object overlap region");
|
||||
}
|
||||
|
||||
TEST_P(ObjectIdSceneTest, RenderObjectIdScene) {
|
||||
RHICommandQueue* commandQueue = GetCommandQueue();
|
||||
const int targetFrameCount = 30;
|
||||
const char* screenshotFilename = GetScreenshotFilename(GetBackendType());
|
||||
|
||||
for (int frameCount = 0; frameCount <= targetFrameCount; ++frameCount) {
|
||||
if (frameCount > 0) {
|
||||
commandQueue->WaitForPreviousFrame();
|
||||
}
|
||||
|
||||
BeginRender();
|
||||
RenderFrame();
|
||||
|
||||
if (frameCount >= targetFrameCount) {
|
||||
commandQueue->WaitForIdle();
|
||||
ASSERT_TRUE(TakeScreenshot(screenshotFilename));
|
||||
VerifyObjectIdScreenshot(screenshotFilename);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
INSTANTIATE_TEST_SUITE_P(D3D12, ObjectIdSceneTest, ::testing::Values(RHIType::D3D12));
|
||||
INSTANTIATE_TEST_SUITE_P(OpenGL, ObjectIdSceneTest, ::testing::Values(RHIType::OpenGL));
|
||||
#if defined(XCENGINE_SUPPORT_VULKAN)
|
||||
INSTANTIATE_TEST_SUITE_P(Vulkan, ObjectIdSceneTest, ::testing::Values(RHIType::Vulkan));
|
||||
#endif
|
||||
|
||||
GTEST_API_ int main(int argc, char** argv) {
|
||||
return RunRenderingIntegrationTestMain(argc, argv);
|
||||
}
|
||||
Reference in New Issue
Block a user