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testsSpectral.cpp
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#include <cassert>
#include <filesystem>
#include <algorithm>
#include <numeric>
#include <random>
#include "tests.h"
#include "HydraXMLHelpers.h"
#include "LiteMath.h"
#include "mesh_utils.h"
#include "HRExtensions_Spectral.h"
#include "HRExtensions_SpectralConstants.h"
///////////////////////////////////////////////////////////////////////////////////
using namespace TEST_UTILS;
namespace SPECTRAL_TESTS
{
namespace hlm = LiteMath;
bool test_600_cornell_RGB()
{
hrErrorCallerPlace(L"test_600_cornell_RGB");
hrSceneLibraryOpen(L"tests/test_600_cornell_RGB", HR_WRITE_DISCARD);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Materials
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRMaterialRef matR = hrMaterialCreate(L"matR");
HRMaterialRef matG = hrMaterialCreate(L"matG");
HRMaterialRef matGray = hrMaterialCreate(L"matGray");
hrMaterialOpen(matR, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matR);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
color.append_attribute(L"val").set_value(L"0.63 0.065 0.05");
// color.append_attribute(L"val").set_value(L"0.539043 0.539043 0.539043");
VERIFY_XML(matNode);
}
hrMaterialClose(matR);
hrMaterialOpen(matG, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matG);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
color.append_attribute(L"val").set_value(L"0.14 0.45 0.091");
// color.append_attribute(L"val").set_value(L"0.00949657 0.00949657 0.00949657");
VERIFY_XML(matNode);
}
hrMaterialClose(matG);
hrMaterialOpen(matGray, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matGray);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
color.append_attribute(L"val").set_value(L"0.725 0.71 0.68");
// color.append_attribute(L"val").set_value(L"0.8 0.8 0.8");
VERIFY_XML(matNode);
}
hrMaterialClose(matGray);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Meshes
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
auto simpleBox = CreateCubeOpen(1.0f);
HRMeshRef box = TEST_UTILS::HRMeshFromSimpleMesh(L"box", simpleBox, matG.id);
//hrMeshCreateFromFile(L"data/meshes/floor.obj");
hrMeshOpen(box, HR_TRIANGLE_IND3, HR_WRITE_DISCARD);
{
hrMeshVertexAttribPointer4f(box, L"pos", &simpleBox.vPos[0]);
hrMeshVertexAttribPointer4f(box, L"norm", &simpleBox.vNorm[0]);
hrMeshVertexAttribPointer2f(box, L"texcoord", &simpleBox.vTexCoord[0]);
int cubeMatIndices[10] = { matGray.id, matGray.id, matGray.id, matGray.id, matGray.id, matGray.id, matG.id, matG.id, matR.id, matR.id };
hrMeshPrimitiveAttribPointer1i(box, L"mind", cubeMatIndices);
hrMeshAppendTriangles3(box, int(simpleBox.triIndices.size()), &simpleBox.triIndices[0]);
}
hrMeshClose(box);
auto tallBox = hrMeshCreateFromFile(L"data/meshes/tallbox.obj");
hrMeshOpen(tallBox, HR_TRIANGLE_IND3, HR_OPEN_EXISTING);
{
hrMeshMaterialId(tallBox, matGray.id);
}
hrMeshClose(tallBox);
auto smallBox = hrMeshCreateFromFile(L"data/meshes/smallbox.obj");
hrMeshOpen(smallBox, HR_TRIANGLE_IND3, HR_OPEN_EXISTING);
{
hrMeshMaterialId(smallBox, matGray.id);
}
hrMeshClose(smallBox);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Light
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRLightRef rectLight = hrLightCreate(L"my_area_light");
hrLightOpen(rectLight, HR_WRITE_DISCARD);
{
auto lightNode = hrLightParamNode(rectLight);
lightNode.attribute(L"type").set_value(L"area");
lightNode.attribute(L"shape").set_value(L"rect");
lightNode.attribute(L"distribution").set_value(L"diffuse");
auto sizeNode = lightNode.append_child(L"size");
sizeNode.append_attribute(L"half_length").set_value(L"0.25");
sizeNode.append_attribute(L"half_width").set_value(L"0.19");
auto intensityNode = lightNode.append_child(L"intensity");
intensityNode.append_child(L"color").append_attribute(L"val").set_value(L"1 0.70588 0.23529");
// intensityNode.append_child(L"color").append_attribute(L"val").set_value(L"0.404987 0.404987 0.404987");
intensityNode.append_child(L"multiplier").append_attribute(L"val").set_value(17.0f);
VERIFY_XML(lightNode);
}
hrLightClose(rectLight);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Camera
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRCameraRef camRef = hrCameraCreate(L"my camera");
hrCameraOpen(camRef, HR_WRITE_DISCARD);
{
auto camNode = hrCameraParamNode(camRef);
camNode.append_child(L"fov").text().set(L"19.5");
camNode.append_child(L"nearClipPlane").text().set(L"0.01");
camNode.append_child(L"farClipPlane").text().set(L"100.0");
camNode.append_child(L"up").text().set(L"0 1 0");
camNode.append_child(L"position").text().set(L"0 1 6.8");
camNode.append_child(L"look_at").text().set(L"0 1 0");
}
hrCameraClose(camRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Render settings
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRRenderRef renderRef = TEST_UTILS::CreateBasicTestRenderPT(CURR_RENDER_DEVICE, 512, 512, 256, 1024);
hrRenderOpen(renderRef, HR_OPEN_EXISTING);
{
auto node = hrRenderParamNode(renderRef);
// node.append_child(L"framebuffer_channels").text() = 4;
node.force_child(L"diff_trace_depth").text() = 5;
}
hrRenderClose(renderRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Create scene
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRSceneInstRef scnRef = hrSceneCreate(L"my scene");
const float DEG_TO_RAD = 0.01745329251f; // float(3.14159265358979323846f) / 180.0f;
hrSceneOpen(scnRef, HR_WRITE_DISCARD);
hlm::float4x4 mScale, mRotX, mRotY, mT, mRes;
///////////
mRotY = hlm::rotate4x4Y(180.0f * DEG_TO_RAD);
mT = hlm::translate4x4({0.0f, 1.0f, 0.0f});
mRes = mT * mRotY;
hrMeshInstance(scnRef, box, mRes.L());
mRes = {};
hrMeshInstance(scnRef, tallBox, mRes.L());
hrMeshInstance(scnRef, smallBox, mRes.L());
///////////
mT = hlm::translate4x4({0.0f, 1.98f, -0.03f});
// mRotX = hlm::rotate4x4X(-90.0f * DEG_TO_RAD);
mRes = mT * mRotX;
hrLightInstance(scnRef, rectLight, mRes.L());
///////////
hrSceneClose(scnRef);
hrFlush(scnRef, renderRef);
while (true)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
HRRenderUpdateInfo info = hrRenderHaveUpdate(renderRef);
if (info.haveUpdateFB)
{
auto pres = std::cout.precision(2);
std::cout << "rendering progress = " << info.progress << "% \r"; std::cout.flush();
std::cout.precision(pres);
}
if (info.finalUpdate)
break;
}
hrRenderSaveFrameBufferLDR(renderRef, L"tests_images/test_600_cornell_RGB/z_out.png");
hrRenderSaveFrameBufferHDR(renderRef, L"tests_images/test_600_cornell_RGB/z_out.exr");
return check_images("test_600_cornell_RGB", 1, 25);
}
bool test_601_cornell_spectral_2()
{
hrErrorCallerPlace(L"test_601_cornell_spectral_2");
hrSceneLibraryOpen(L"tests/test_601_cornell_spectral_2", HR_WRITE_DISCARD);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Materials
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
std::vector<float> wavelengths = {400, 440, 480, 520, 560, 600, 640, 680};
std::vector<float> red = {0.00800717, 0.125122, 1e-05, 1e-05, 1e-05, 0.685583, 0.539043, 0.0597818};
std::vector<float> green = {0.00168552, 0.0579974, 0.137609, 0.504929, 0.566779, 0.179425, 0.00949657, 6.65987e-05};
std::vector<float> light = {0.0117894, 0.296203, 0.158988, 0.419806, 0.939172, 1.07416, 0.404987, 0.0416185};
auto greenMaterials = hr_spectral::CreateSpectralDiffuseMaterials(wavelengths, green, L"green");
auto redMaterials = hr_spectral::CreateSpectralDiffuseMaterials(wavelengths, red, L"red");
HRMaterialRef matGray = hrMaterialCreate(L"matGray");
hrMaterialOpen(matGray, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matGray);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
// color.append_attribute(L"val").set_value(L"0.725 0.71 0.68");
color.append_attribute(L"val").set_value(L"0.8 0.8 0.8");
VERIFY_XML(matNode);
}
hrMaterialClose(matGray);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Meshes
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
auto simpleBox = CreateCubeOpen(1.0f);
HRMeshRef box = TEST_UTILS::HRMeshFromSimpleMesh(L"box", simpleBox, matGray.id);
hrMeshOpen(box, HR_TRIANGLE_IND3, HR_WRITE_DISCARD);
{
hrMeshVertexAttribPointer4f(box, L"pos", &simpleBox.vPos[0]);
hrMeshVertexAttribPointer4f(box, L"norm", &simpleBox.vNorm[0]);
hrMeshVertexAttribPointer2f(box, L"texcoord", &simpleBox.vTexCoord[0]);
int cubeMatIndices[10] = { matGray.id, matGray.id, matGray.id, matGray.id, matGray.id, matGray.id,
greenMaterials[0].id, greenMaterials[0].id, redMaterials[0].id, redMaterials[0].id };
hrMeshPrimitiveAttribPointer1i(box, L"mind", cubeMatIndices);
hrMeshAppendTriangles3(box, int(simpleBox.triIndices.size()), &simpleBox.triIndices[0]);
}
hrMeshClose(box);
auto tallBox = hrMeshCreateFromFile(L"data/meshes/tallbox.obj");
hrMeshOpen(tallBox, HR_TRIANGLE_IND3, HR_OPEN_EXISTING);
{
hrMeshMaterialId(tallBox, matGray.id);
}
hrMeshClose(tallBox);
auto smallBox = hrMeshCreateFromFile(L"data/meshes/smallbox.obj");
hrMeshOpen(smallBox, HR_TRIANGLE_IND3, HR_OPEN_EXISTING);
{
hrMeshMaterialId(smallBox, matGray.id);
}
hrMeshClose(smallBox);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Light
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRLightRef rectLight = hrLightCreate(L"my_area_light");
hrLightOpen(rectLight, HR_WRITE_DISCARD);
{
auto lightNode = hrLightParamNode(rectLight);
lightNode.attribute(L"type").set_value(L"area");
lightNode.attribute(L"shape").set_value(L"rect");
lightNode.attribute(L"distribution").set_value(L"diffuse");
auto sizeNode = lightNode.append_child(L"size");
sizeNode.append_attribute(L"half_length").set_value(L"0.25");
sizeNode.append_attribute(L"half_width").set_value(L"0.19");
auto intensityNode = lightNode.append_child(L"intensity");
intensityNode.append_child(L"color").append_attribute(L"val").set_value(L"0.404987 0.404987 0.404987");
intensityNode.append_child(L"multiplier").append_attribute(L"val").set_value(17.0f);
VERIFY_XML(lightNode);
}
hrLightClose(rectLight);
auto lights = hr_spectral::CreateSpectralLights(rectLight, wavelengths, light, L"area_light");
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Camera
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRCameraRef camRef = hrCameraCreate(L"my camera");
hrCameraOpen(camRef, HR_WRITE_DISCARD);
{
auto camNode = hrCameraParamNode(camRef);
camNode.append_child(L"fov").text().set(L"19.5");
camNode.append_child(L"nearClipPlane").text().set(L"0.01");
camNode.append_child(L"farClipPlane").text().set(L"100.0");
camNode.append_child(L"up").text().set(L"0 1 0");
camNode.append_child(L"position").text().set(L"0 1 6.8");
camNode.append_child(L"look_at").text().set(L"0 1 0");
}
hrCameraClose(camRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Render settings
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRRenderRef renderRef = TEST_UTILS::CreateBasicTestRenderPT(CURR_RENDER_DEVICE, 512, 512, 1024, 1024);
hrRenderOpen(renderRef, HR_OPEN_EXISTING);
{
auto node = hrRenderParamNode(renderRef);
node.append_child(L"framebuffer_channels").text() = 1;
// node.force_child(L"diff_trace_depth").text() = 5;
}
hrRenderClose(renderRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Create scene
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const float DEG_TO_RAD = 0.01745329251f; // float(3.14159265358979323846f) / 180.0f;
hlm::float4x4 mScale, mRotX, mRotY, mT, mRes;
hlm::float4x4 identity{};
mRotY = hlm::rotate4x4Y(180.0f * DEG_TO_RAD);
mT = hlm::translate4x4({0.0f, 1.0f, 0.0f});
auto openboxMatrix = mT * mRotY;
mT = hlm::translate4x4({0.0f, 1.98f, -0.03f});
auto lightMatrix = mT;
std::vector<std::filesystem::path> savedImages;
HRSceneInstRef scnRef = hrSceneCreate(L"scene");
for(int i = 0; i < wavelengths.size(); ++i)
{
hrSceneOpen(scnRef, HR_WRITE_DISCARD);
std::vector<int> openboxRemapList = {matGray.id, matGray.id,
greenMaterials[0].id, greenMaterials[i].id,
redMaterials[0].id, redMaterials[i].id};
hrMeshInstance(scnRef, box, openboxMatrix.L(), openboxRemapList.data(), openboxRemapList.size());
hrMeshInstance(scnRef, tallBox, identity.L());
hrMeshInstance(scnRef, smallBox, identity.L());
hrLightInstance(scnRef, lights[i], lightMatrix.L());
///////////
hrSceneClose(scnRef);
hrFlush(scnRef, renderRef, camRef);
while (true)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
HRRenderUpdateInfo info = hrRenderHaveUpdate(renderRef);
if (info.haveUpdateFB)
{
auto pres = std::cout.precision(2);
std::cout << "rendering progress = " << info.progress << "% \r"; std::cout.flush();
std::cout.precision(pres);
}
if (info.finalUpdate)
break;
}
std::wstringstream imgName;
imgName << wavelengths[i] << "nm";
std::wstring basePath = L"tests_images/test_601_cornell_spectral_2/";
const std::wstring ldrName = basePath + imgName.str() + std::wstring(L".png");
const std::wstring hdrName = basePath + imgName.str() + std::wstring(L".exr");
hrRenderSaveFrameBufferLDR(renderRef, ldrName.c_str());
hrRenderSaveFrameBufferHDR(renderRef, hdrName.c_str());
savedImages.push_back(hdrName);
}
std::filesystem::path rgbPath {"tests_images/test_601_cornell_spectral_2/z_out.exr"};
hr_spectral::SpectralImagesToRGB(rgbPath, savedImages, wavelengths);
std::filesystem::path rgbPathLDR {"tests_images/test_601_cornell_spectral_2/z_out.png"};
hr_spectral::SpectralImagesToRGB(rgbPathLDR, savedImages, wavelengths);
std::filesystem::path avgPath {"tests_images/test_601_cornell_spectral_2/averageSpectrum.exr"};
hr_spectral::AverageSpectralImages(avgPath, savedImages);
std::filesystem::path avgPath2 {"tests_images/test_601_cornell_spectral_2/averageSpectrumV2.exr"};
hr_spectral::AverageSpectralImagesV2(avgPath2, savedImages, wavelengths);
std::filesystem::path yPath {"tests_images/test_601_cornell_spectral_2/Y.exr"};
hr_spectral::SpectralImagesToY(yPath, savedImages, wavelengths);
return check_images_HDR("test_601_cornell_spectral_2", 1, 25);
}
bool test_602_macbeth()
{
std::wstring nameTest = L"test_602_macbeth";
std::filesystem::path libraryPath = L"tests/" + nameTest;
std::filesystem::path saveRenderPath = L"tests_images/" + nameTest;
hrErrorCallerPlace(nameTest.c_str());
hrSceneLibraryOpen(libraryPath.wstring().c_str(), HR_WRITE_DISCARD);
///////////////
// Materials
///////////////
// std::vector<int> wavelengths = {400, 440, 480, 520, 560, 600, 640, 680};
std::vector<float> wavelengths;
for(int w = 400; w <= 700; w += 10)
wavelengths.push_back(float(w));
std::vector<std::vector<HRMaterialRef>> materials(24);
materials[0] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-1_new.spd", wavelengths, L"m1");
materials[1] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-2_new.spd", wavelengths, L"m2");
materials[2] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-3_new.spd", wavelengths, L"m3");
materials[3] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-4_new.spd", wavelengths, L"m4");
materials[4] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-5_new.spd", wavelengths, L"m5");
materials[5] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-6_new.spd", wavelengths, L"m6");
materials[6] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-7_new.spd", wavelengths, L"m7");
materials[7] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-8_new.spd", wavelengths, L"m8");
materials[8] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-9_new.spd", wavelengths, L"m9");
materials[9] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-10_new.spd", wavelengths, L"m10");
materials[10] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-11_new.spd", wavelengths, L"m11");
materials[11] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-12_new.spd", wavelengths, L"m12");
materials[12] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-13_new.spd", wavelengths, L"m13");
materials[13] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-14_new.spd", wavelengths, L"m14");
materials[14] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-15_new.spd", wavelengths, L"m15");
materials[15] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-16_new.spd", wavelengths, L"m16");
materials[16] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-17_new.spd", wavelengths, L"m17");
materials[17] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-18_new.spd", wavelengths, L"m18");
materials[18] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-19_new.spd", wavelengths, L"m19");
materials[19] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-20_new.spd", wavelengths, L"m20");
materials[20] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-21_new.spd", wavelengths, L"m21");
materials[21] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-22_new.spd", wavelengths, L"m22");
materials[22] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-23_new.spd", wavelengths, L"m23");
materials[23] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-24_new.spd", wavelengths, L"m24");
HRMaterialRef matBlack = hrMaterialCreate(L"matBlack");
hrMaterialOpen(matBlack, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matBlack);
AddDiffuseNode(matNode, L"0.01 0.01 0.01");
}
hrMaterialClose(matBlack);
HRMaterialRef matTest = hrMaterialCreate(L"matTest");
hrMaterialOpen(matTest, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matTest);
AddDiffuseNode(matNode, L"0.8 0.0 0.8");
//AddDiffuseNode(matNode, L"0.725 0.71 0.68");
}
hrMaterialClose(matTest);
////////////////////
// Meshes
////////////////////
auto chip = HRMeshFromSimpleMesh(L"macbeth_chip", CreatePlane(0.5f), matBlack.id);
////////////////////
// Light
////////////////////
auto sky = CreateSky(L"sky", L"1.0 1.0 1.0", 1);
auto sun = CreateLight(L"Light01", L"directional", L"point", L"diffuse", 0, 0, L"1 1 1",
4, true, 0, 1000);
// auto d65_lights = hr_spectral::CreateSpectralLightsD65(sky, wavelengths);
////////////////////
// Camera
////////////////////
CreateCamera(30, L"0 0 10", L"0 0 -1");
////////////////////
// Render settings
////////////////////
auto renderRef = CreateBasicTestRenderPTNoCaust(CURR_RENDER_DEVICE, 1280, 720, 512, 512);
hrRenderOpen(renderRef, HR_OPEN_EXISTING);
{
auto node = hrRenderParamNode(renderRef);
node.append_child(L"framebuffer_channels").text() = 1;
node.force_child(L"diff_trace_depth").text() = 1;
}
hrRenderClose(renderRef);
////////////////////
// Create scene
////////////////////
auto scnRef = hrSceneCreate((L"scene_" + nameTest).c_str());
hlm::float4x4 mScale, mRotX, mRotY, mT, mRes;
hlm::float4x4 identity{};
std::vector<std::filesystem::path> savedImages;
for(int i = 0; i < wavelengths.size(); ++i)
{
hrSceneOpen(scnRef, HR_WRITE_DISCARD);
constexpr uint32_t N_CHIPS_X = 6;
constexpr uint32_t N_CHIPS_Y = 4;
constexpr float CHIP_SIZE = 1.0f;
constexpr float BORDER_SIZE = 0.1f;
constexpr float PLATE_X = N_CHIPS_X * CHIP_SIZE + (N_CHIPS_X + 1) * BORDER_SIZE;
constexpr float PLATE_Y = N_CHIPS_Y * CHIP_SIZE + (N_CHIPS_Y + 1) * BORDER_SIZE;
AddMeshToScene(scnRef, chip, float3(0, 0, -0.001F), float3(90, 0, 0), float3(PLATE_X, PLATE_Y, 1));
AddLightToScene(scnRef, sun, float3(0, 0, 100), float3(90, 0, 0));
//hrLightInstance(scnRef, sky, identity.L());
//hrLightInstance(scnRef, d65_lights[i], identity.L());
for (int x = 0; x < N_CHIPS_X; ++x)
{
for (int y = 0; y < N_CHIPS_Y; ++y)
{
float xx = -PLATE_X * 0.5f + float(x) * (CHIP_SIZE + BORDER_SIZE) + CHIP_SIZE * 0.5f + BORDER_SIZE;
float yy = +PLATE_Y * 0.5f - float(y) * (CHIP_SIZE + BORDER_SIZE) - CHIP_SIZE * 0.5f - BORDER_SIZE;
uint32_t chipId = x + y * N_CHIPS_X;
//const int j = clamp(i, 6, 24); // 460 - 640 nm.
std::vector<int> remapList = {matBlack.id, materials[chipId][i].id};
AddMeshToScene(scnRef, chip, float3(xx, yy, 0), float3(90, 0, 0), float3(1, 1, 1), remapList.data(), remapList.size());
}
}
///////////
hrSceneClose(scnRef);
hrFlush(scnRef, renderRef);
RenderProgress(renderRef);
std::wstringstream imgName;
imgName << wavelengths[i] << "nm";
// imgName << "_";
const std::filesystem::path ldrName = saveRenderPath / (imgName.str() + std::wstring(L".png"));
const std::filesystem::path hdrName = saveRenderPath / (imgName.str() + std::wstring(L".exr"));
hrRenderSaveFrameBufferLDR(renderRef, ldrName.wstring().c_str());
hrRenderSaveFrameBufferHDR(renderRef, hdrName.wstring().c_str());
savedImages.push_back(hdrName);
}
std::filesystem::path rgbPath = saveRenderPath / "z_out.exr";
hr_spectral::SpectralImagesToRGB(rgbPath, savedImages, wavelengths);
std::filesystem::path rgbPathLDR = saveRenderPath / "z_out.png";
hr_spectral::SpectralImagesToRGB(rgbPathLDR, savedImages, wavelengths);
std::filesystem::path avgPath = saveRenderPath / "averageSpectrum.exr";
hr_spectral::AverageSpectralImages(avgPath, savedImages);
std::filesystem::path avgPath2 = saveRenderPath / "averageSpectrumV2.exr";
hr_spectral::AverageSpectralImagesV2(avgPath2, savedImages, wavelengths);
std::filesystem::path yPath = saveRenderPath / "Y.exr";
hr_spectral::SpectralImagesToY(yPath, savedImages, wavelengths);
return check_images_HDR(ws2s(nameTest).c_str(), 1, 25);
}
bool test_603_texture_1()
{
hrErrorCallerPlace(L"test_603_texture_1");
hrSceneLibraryOpen(L"tests/test_603_texture_1", HR_WRITE_DISCARD);
constexpr int TOTAL_WAVELENGTHS = 31;
std::vector<float> wavelengths(TOTAL_WAVELENGTHS);
std::generate(wavelengths.begin(), wavelengths.end(), [n = 390] () mutable { return n = n + 10; });
const std::filesystem::path basePath {"data/spectral/glass_tiles"};
const std::string baseTexName {"glass_tiles_ms"};
std::vector<std::filesystem::path> texPaths(TOTAL_WAVELENGTHS);
for(int n = 0; n < TOTAL_WAVELENGTHS ; ++n)
{
std::stringstream ss;
ss << baseTexName << "_" << std::setfill('0') << std::setw(2) << n + 1 << ".png";
auto path = basePath;
path.append(ss.str());
texPaths[n] = path;
}
// hlm::float4x4 texMatrix1, texMatrix2, texMatrix3;
// texMatrix1.m_col[3].M[0] = -0.5;
// texMatrix1.m_col[3].M[1] = -0.5;
// texMatrix2.m_col[1].M[1] = -1.0;
// texMatrix3.m_col[3].M[0] = 0.5;
// texMatrix3.m_col[3].M[1] = 0.5;
// auto texMatrix = texMatrix3 * texMatrix2 * texMatrix1;
hlm::float4x4 texMatrix;
auto materials = hr_spectral::CreateSpectralTexturedDiffuseMaterials(wavelengths, texPaths, texMatrix);
SimpleMesh plane = CreatePlane(4.0f);
HRMeshRef planeRef = hrMeshCreate(L"my_plane");
hrMeshOpen(planeRef, HR_TRIANGLE_IND3, HR_WRITE_DISCARD);
{
hrMeshVertexAttribPointer4f(planeRef, L"pos", &plane.vPos[0]);
hrMeshVertexAttribPointer4f(planeRef, L"norm", &plane.vNorm[0]);
hrMeshVertexAttribPointer2f(planeRef, L"texcoord", &plane.vTexCoord[0]);
hrMeshMaterialId(planeRef, materials[0].id);
hrMeshAppendTriangles3(planeRef, int(plane.triIndices.size()), &plane.triIndices[0]);
}
hrMeshClose(planeRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
auto sky = CreateSky(L"sky", L"1.0 1.0 1.0", 1);
// auto sun = CreateLight(L"Light01", L"directional", L"point", L"diffuse", 0, 0, L"1 1 1",
// 4, true, 0, 1000);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// camera
//
HRCameraRef camRef = hrCameraCreate(L"my camera");
hrCameraOpen(camRef, HR_WRITE_DISCARD);
{
xml_node camNode = hrCameraParamNode(camRef);
camNode.append_child(L"fov").text().set(L"30");
camNode.append_child(L"nearClipPlane").text().set(L"0.01");
camNode.append_child(L"farClipPlane").text().set(L"100.0");
camNode.append_child(L"up").text().set(L"0 1 0");
camNode.append_child(L"position").text().set(L"0 0 14.9");
camNode.append_child(L"look_at").text().set(L"0 0 0");
}
hrCameraClose(camRef);
HRRenderRef renderRef = TEST_UTILS::CreateBasicTestRenderPT(CURR_RENDER_DEVICE, 512, 512, 256, 512);
hrRenderOpen(renderRef, HR_OPEN_EXISTING);
{
auto node = hrRenderParamNode(renderRef);
node.append_child(L"framebuffer_channels").text() = 1;
}
hrRenderClose(renderRef);
hrRenderEnableDevice(renderRef, CURR_RENDER_DEVICE, true);
auto mT = translate4x4(float3(0.0f, 0.0f, 100.0f));
auto mRotX = rotate4x4X(90.0f*DEG_TO_RAD);
hlm::float4x4 identity;
auto planeMatrix = hlm::rotate4x4X(-DEG_TO_RAD * 90.0f);
std::vector<std::filesystem::path> savedImages;
HRSceneInstRef scnRef = hrSceneCreate(L"scene");
for(int i = 0; i < wavelengths.size(); ++i)
{
hrSceneOpen(scnRef, HR_WRITE_DISCARD);
{
std::vector<int> remapList = {materials[0].id, materials[i].id};
hrMeshInstance(scnRef, planeRef, planeMatrix.L(), remapList.data(), remapList.size());
hrLightInstance(scnRef, sky, identity.L());
}
hrSceneClose(scnRef);
hrFlush(scnRef, renderRef, camRef);
while (true)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
HRRenderUpdateInfo info = hrRenderHaveUpdate(renderRef);
if (info.haveUpdateFB)
{
auto pres = std::cout.precision(2);
std::cout << "rendering progress = " << info.progress << "% \r"; std::cout.flush();
std::cout.precision(pres);
}
if (info.finalUpdate)
break;
}
std::wstringstream imgName;
imgName << wavelengths[i] << "nm";
const std::wstring outBasePath = L"tests_images/test_603_texture_1/";
const std::wstring ldrName = outBasePath + imgName.str() + std::wstring(L".png");
const std::wstring hdrName = outBasePath + imgName.str() + std::wstring(L".exr");
hrRenderSaveFrameBufferLDR(renderRef, ldrName.c_str());
hrRenderSaveFrameBufferHDR(renderRef, hdrName.c_str());
savedImages.push_back(hdrName);
}
std::filesystem::path rgbPath {"tests_images/test_603_texture_1/z_out.exr"};
hr_spectral::SpectralImagesToRGB(rgbPath, savedImages, wavelengths);
std::filesystem::path rgbPathLDR {"tests_images/test_603_texture_1/z_out.png"};
hr_spectral::SpectralImagesToRGB(rgbPathLDR, savedImages, wavelengths);
std::filesystem::path avgPath {"tests_images/test_603_texture_1/averageSpectrum.exr"};
hr_spectral::AverageSpectralImages(avgPath, savedImages);
std::filesystem::path avgPath2 {"tests_images/test_603_texture_1/averageSpectrumV2.exr"};
hr_spectral::AverageSpectralImagesV2(avgPath2, savedImages, wavelengths);
std::filesystem::path yPath {"tests_images/test_603_texture_1/Y.exr"};
hr_spectral::SpectralImagesToY(yPath, savedImages, wavelengths);
return check_images_HDR("test_603_texture_1", 1, 25);
}
bool test_604_tile()
{
hrErrorCallerPlace(L"test_604_tile");
hrSceneLibraryOpen(L"tests/test_604_tile", HR_WRITE_DISCARD);
std::vector<float> wavelengths;
for(int w = 400; w <= 700; w += 10)
wavelengths.push_back(float(w));
auto materials = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile("data/spectral/macbeth_spectra/macbeth-21_new.spd", wavelengths, L"m21");
SimpleMesh plane = CreatePlane(4.0f);
HRMeshRef planeRef = hrMeshCreate(L"my_plane");
hrMeshOpen(planeRef, HR_TRIANGLE_IND3, HR_WRITE_DISCARD);
{
hrMeshVertexAttribPointer4f(planeRef, L"pos", &plane.vPos[0]);
hrMeshVertexAttribPointer4f(planeRef, L"norm", &plane.vNorm[0]);
hrMeshVertexAttribPointer2f(planeRef, L"texcoord", &plane.vTexCoord[0]);
hrMeshMaterialId(planeRef, materials[0].id);
hrMeshAppendTriangles3(planeRef, int(plane.triIndices.size()), &plane.triIndices[0]);
}
hrMeshClose(planeRef);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
HRLightRef sky = hrLightCreate(L"sky");
hrLightOpen(sky, HR_WRITE_DISCARD);
{
auto lightNode = hrLightParamNode(sky);
lightNode.attribute(L"type").set_value(L"sky");
auto intensityNode = lightNode.append_child(L"intensity");
intensityNode.append_child(L"color").append_attribute(L"val").set_value(L"1.0 1.0 1.0");
intensityNode.append_child(L"multiplier").append_attribute(L"val").set_value(1.0f);
VERIFY_XML(lightNode);
}
hrLightClose(sky);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// camera
//
HRCameraRef camRef = hrCameraCreate(L"my camera");
hrCameraOpen(camRef, HR_WRITE_DISCARD);
{
xml_node camNode = hrCameraParamNode(camRef);
camNode.append_child(L"fov").text().set(L"30");
camNode.append_child(L"nearClipPlane").text().set(L"0.01");
camNode.append_child(L"farClipPlane").text().set(L"100.0");
camNode.append_child(L"up").text().set(L"0 1 0");
camNode.append_child(L"position").text().set(L"0 0 14.9");
camNode.append_child(L"look_at").text().set(L"0 0 0");
}
hrCameraClose(camRef);
HRRenderRef renderRef = TEST_UTILS::CreateBasicTestRenderPT(CURR_RENDER_DEVICE, 512, 512, 256, 512);
hrRenderOpen(renderRef, HR_OPEN_EXISTING);
{
auto node = hrRenderParamNode(renderRef);
node.append_child(L"framebuffer_channels").text() = 1;
}
hrRenderClose(renderRef);
hrRenderEnableDevice(renderRef, CURR_RENDER_DEVICE, true);
auto mT = translate4x4(float3(0.0f, 0.0f, 100.0f));
auto mRotX = rotate4x4X(90.0f*DEG_TO_RAD);
hlm::float4x4 identity;
auto planeMatrix = hlm::rotate4x4X(-DEG_TO_RAD * 90.0f);
std::vector<std::filesystem::path> savedImages;
HRSceneInstRef scnRef = hrSceneCreate(L"scene");
for(int i = 0; i < wavelengths.size(); ++i)
{
hrSceneOpen(scnRef, HR_WRITE_DISCARD);
{
std::vector<int> remapList = {materials[0].id, materials[i].id};
hrMeshInstance(scnRef, planeRef, planeMatrix.L(), remapList.data(), remapList.size());
hrLightInstance(scnRef, sky, identity.L());
}
hrSceneClose(scnRef);
hrFlush(scnRef, renderRef, camRef);
while (true)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
HRRenderUpdateInfo info = hrRenderHaveUpdate(renderRef);
if (info.haveUpdateFB)
{
auto pres = std::cout.precision(2);
std::cout << "rendering progress = " << info.progress << "% \r"; std::cout.flush();
std::cout.precision(pres);
}
if (info.finalUpdate)
break;
}
std::wstringstream imgName;
imgName << wavelengths[i] << "nm";
const std::wstring outBasePath = L"tests_images/test_604_tile/";
const std::wstring ldrName = outBasePath + imgName.str() + std::wstring(L".png");
const std::wstring hdrName = outBasePath + imgName.str() + std::wstring(L".exr");
hrRenderSaveFrameBufferLDR(renderRef, ldrName.c_str());
hrRenderSaveFrameBufferHDR(renderRef, hdrName.c_str());
savedImages.push_back(hdrName);
}
std::filesystem::path rgbPath {"tests_images/test_604_tile/z_out.exr"};
hr_spectral::SpectralImagesToRGB(rgbPath, savedImages, wavelengths);
std::filesystem::path avgPath {"tests_images/test_604_tile/averageSpectrum.exr"};
hr_spectral::AverageSpectralImages(avgPath, savedImages);
std::filesystem::path avgPath2 {"tests_images/test_604_tile/averageSpectrumV2.exr"};
hr_spectral::AverageSpectralImagesV2(avgPath2, savedImages, wavelengths);
std::filesystem::path yPath {"tests_images/test_604_tile/Y.exr"};
hr_spectral::SpectralImagesToY(yPath, savedImages, wavelengths);
return check_images_HDR("test_604_tile", 1, 25);
}
bool test_605_macbeth_2() // render 3 wavelengths at a time
{
hrErrorCallerPlace(L"test_605_macbeth_2");
hrSceneLibraryOpen(L"tests/test_605_macbeth_2", HR_WRITE_DISCARD);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Materials
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// std::vector<int> wavelengths = {400, 440, 480, 520, 560, 600, 640, 680};
std::vector<float> wavelengths;
for(int w = 400; w <= 700; w += 10)
wavelengths.push_back(float(w));
std::vector<std::vector<HRMaterialRef>> materials(24);
materials[0] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-1_new.spd", wavelengths, L"m1");
materials[1] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-2_new.spd", wavelengths, L"m2");
materials[2] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-3_new.spd", wavelengths, L"m3");
materials[3] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-4_new.spd", wavelengths, L"m4");
materials[4] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-5_new.spd", wavelengths, L"m5");
materials[5] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-6_new.spd", wavelengths, L"m6");
materials[6] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-7_new.spd", wavelengths, L"m7");
materials[7] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-8_new.spd", wavelengths, L"m8");
materials[8] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-9_new.spd", wavelengths, L"m9");
materials[9] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-10_new.spd", wavelengths, L"m10");
materials[10] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-11_new.spd", wavelengths, L"m11");
materials[11] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-12_new.spd", wavelengths, L"m12");
materials[12] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-13_new.spd", wavelengths, L"m13");
materials[13] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-14_new.spd", wavelengths, L"m14");
materials[14] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-15_new.spd", wavelengths, L"m15");
materials[15] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-16_new.spd", wavelengths, L"m16");
materials[16] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-17_new.spd", wavelengths, L"m17");
materials[17] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-18_new.spd", wavelengths, L"m18");
materials[18] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-19_new.spd", wavelengths, L"m19");
materials[19] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-20_new.spd", wavelengths, L"m20");
materials[20] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-21_new.spd", wavelengths, L"m21");
materials[21] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-22_new.spd", wavelengths, L"m22");
materials[22] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-23_new.spd", wavelengths, L"m23");
materials[23] = hr_spectral::CreateSpectralDiffuseMaterialsFromSPDFile3channel("data/spectral/macbeth_spectra/macbeth-24_new.spd", wavelengths, L"m24");
HRMaterialRef matBlack = hrMaterialCreate(L"matBlack");
hrMaterialOpen(matBlack, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matBlack);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
// color.append_attribute(L"val").set_value(L"0.725 0.71 0.68");
color.append_attribute(L"val").set_value(L"0.01 0.01 0.01");
VERIFY_XML(matNode);
}
hrMaterialClose(matBlack);
HRMaterialRef matTest = hrMaterialCreate(L"matTest");
hrMaterialOpen(matTest, HR_WRITE_DISCARD);
{
auto matNode = hrMaterialParamNode(matTest);
auto diff = matNode.append_child(L"diffuse");
diff.append_attribute(L"brdf_type").set_value(L"lambert");
auto color = diff.append_child(L"color");
// color.append_attribute(L"val").set_value(L"0.725 0.71 0.68");
color.append_attribute(L"val").set_value(L"0.8 0.0 0.8");
VERIFY_XML(matNode);
}
hrMaterialClose(matTest);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Meshes