C++ (Cpp) LightSampleOffsets 예제들

예제 #1

파일: directlighting.cpp 프로젝트: karlssonper/cs348b

void DirectLightingIntegrator::RequestSamples(Sampler *sampler,
        Sample *sample, const Scene *scene) {
    if (strategy == SAMPLE_ALL_UNIFORM) {
        // Allocate and request samples for sampling all lights
        uint32_t nLights = scene->lights.size();
        lightSampleOffsets = new LightSampleOffsets[nLights];
        bsdfSampleOffsets = new BSDFSampleOffsets[nLights];
        for (uint32_t i = 0; i < nLights; ++i) {
            const Light *light = scene->lights[i];
            int nSamples = light->nSamples;
            if (sampler) nSamples = sampler->RoundSize(nSamples);
            lightSampleOffsets[i] = LightSampleOffsets(nSamples, sample);
            bsdfSampleOffsets[i] = BSDFSampleOffsets(nSamples, sample);
        }
        lightNumOffset = -1;
    }
    else {
        // Allocate and request samples for sampling one light
        lightSampleOffsets = new LightSampleOffsets[1];
        lightSampleOffsets[0] = LightSampleOffsets(1, sample);
        lightNumOffset = sample->Add1D(1);
        bsdfSampleOffsets = new BSDFSampleOffsets[1];
        bsdfSampleOffsets[0] = BSDFSampleOffsets(1, sample);
    }
}

예제 #2

파일: path.cpp 프로젝트: sungsoo/pbrt-v2

// PathIntegrator Method Definitions
void PathIntegrator::RequestSamples(Sampler *sampler, Sample *sample,
                                    const Scene *scene) {
    for (int i = 0; i < SAMPLE_DEPTH; ++i) {
        lightSampleOffsets[i] = LightSampleOffsets(1, sample);
        lightNumOffset[i] = sample->Add1D(1);
        bsdfSampleOffsets[i] = BSDFSampleOffsets(1, sample);
        pathSampleOffsets[i] = BSDFSampleOffsets(1, sample);
    }
}

예제 #3

파일: useprobes.cpp 프로젝트: AlexanderChiang/SeniorThesis

void UseRadianceProbes::RequestSamples(Sampler *sampler, Sample *sample, const Scene *scene) {
    // Allocate and request samples for sampling all lights
    uint32_t nLights = scene->lights.size();
    lightSampleOffsets = new LightSampleOffsets[nLights];
    bsdfSampleOffsets = new BSDFSampleOffsets[nLights];
    for (uint32_t i = 0; i < nLights; ++i) {
        const Light *light = scene->lights[i];
        int nSamples = light->nSamples;
        if (sampler) nSamples = sampler->RoundSize(nSamples);
        lightSampleOffsets[i] = LightSampleOffsets(nSamples, sample);
        bsdfSampleOffsets[i] = BSDFSampleOffsets(nSamples, sample);
    }
}

예제 #4

파일: irradiancecache.cpp 프로젝트: jwzhang/pbrt-v2

// IrradianceCacheIntegrator Method Definitions
void IrradianceCacheIntegrator::RequestSamples(Sampler *sampler,
        Sample *sample, const Scene *scene) {
//    if (lightSampleOffsets != NULL) return;
    // Allocate and request samples for sampling all lights
    u_int nLights = scene->lights.size();
    lightSampleOffsets = new LightSampleOffsets[nLights];
    bsdfSampleOffsets = new BSDFSampleOffsets[nLights];
    for (u_int i = 0; i < nLights; ++i) {
        const Light *light = scene->lights[i];
        int nSamples = light->nSamples;
        if (sampler) nSamples = sampler->RoundSize(nSamples);
        lightSampleOffsets[i] = LightSampleOffsets(nSamples, sample);
        bsdfSampleOffsets[i] = BSDFSampleOffsets(nSamples, sample);
    }
}

예제 #5

파일: igi.cpp 프로젝트: jwzhang/pbrt-v2

void IGIIntegrator::RequestSamples(Sampler *sampler,
        Sample *sample, const Scene *scene) {
    // Allocate and request samples for sampling all lights
    u_int nLights = scene->lights.size();
    lightSampleOffsets = new LightSampleOffsets[nLights];
    bsdfSampleOffsets = new BSDFSampleOffsets[nLights];
    for (u_int i = 0; i < nLights; ++i) {
        const Light *light = scene->lights[i];
        int nSamples = light->nSamples;
        if (sampler) nSamples = sampler->RoundSize(nSamples);
        lightSampleOffsets[i] = LightSampleOffsets(nSamples, sample);
        bsdfSampleOffsets[i] = BSDFSampleOffsets(nSamples, sample);
    }
    vlSetOffset = sample->Add1D(1);
    if (sampler) nGatherSamples = sampler->RoundSize(nGatherSamples);
    gatherSampleOffset = BSDFSampleOffsets(nGatherSamples, sample);
}

예제 #6

void PhotonIntegrator::RequestSamples(Sampler *sampler, Sample *sample,
        const Scene *scene) {
    // Allocate and request samples for sampling all lights
    uint32_t nLights = scene->lights.size();
    lightSampleOffsets = new LightSampleOffsets[nLights];
    bsdfSampleOffsets = new BSDFSampleOffsets[nLights];
    for (uint32_t i = 0; i < nLights; ++i) {
        const Light *light = scene->lights[i];
        int nSamples = light->nSamples;
        if (sampler) nSamples = sampler->RoundSize(nSamples);
        lightSampleOffsets[i] = LightSampleOffsets(nSamples, sample);
        bsdfSampleOffsets[i] = BSDFSampleOffsets(nSamples, sample);
    }

    // Request samples for final gathering
    if (finalGather) {
        gatherSamples = max(1, gatherSamples/2);
        if (sampler) gatherSamples = sampler->RoundSize(gatherSamples);
        bsdfGatherSampleOffsets = BSDFSampleOffsets(gatherSamples, sample);
        indirGatherSampleOffsets = BSDFSampleOffsets(gatherSamples, sample);
    }
}