ColorRGB *ProceduralTexture::cobblestone(int stoneSize,
int stoneNoise,
ColorHSV color,
int colorRange,
float edgeIntensity,
int edgeSize,
float edgeOpacity,
float edgeSmooth,
int stoneLayers,
float smoothness,
float stoneBrightness,
bool createNormalMap){
unsigned char *ct = generateCelluarTexture(stoneSize);
gaussianBlur(ct, edgeSmooth);
brightnessContrast(ct, 0, edgeIntensity);
unsigned char *pn = generatePerlinNoise(stoneNoise);
postEffect(pn, stoneLayers, smoothness);
brightnessContrast(pn, stoneBrightness, 1);
mix(pn, ct, edgeSize, edgeOpacity);
delete[] ct;
if (createNormalMap)
generateNormalMap(pn);
ColorRGB *cct = generateCelluarTexture(stoneSize, color, colorRange);
mix(cct, pn);
delete[] pn;
return cct;
}
// pbrt划分渲染队列独立任务的渲染管线
// |Task.run()| |Task.run()| ... |Task.run()|
// ------------------------------------------
// Task.run()
// sample = RandomSampler.getSubSampler()
// ray = Camera.generateRayDiffererntial(sample)
// intersection = Scene.Intersect(ray)
// spectrum = Intergrator.Li(intersection)
// File.AddSample(spectrum, sample)
// Reporter.Update()
void a3SamplerRenderer::render(const a3Scene* scene)
{
if(!begin()) return;
int imageWidth = camera->image->width;
int imageHeight = camera->image->height;
#pragma omp parallel for schedule(dynamic)
for(int x = 0; x < imageWidth; x++)
{
a3Log::info("Spp:%d Rendering: %8.2f \r", spp, (double) x / imageWidth * 100);
for(int y = 0; y < imageHeight; y++)
{
a3Spectrum color;
// 当前采样位置
a3CameraSample sampleTentFilter, sample;
for(int z = 0; z < spp; z++)
{
// 获取下一个采样位置
sampler->getMoreSamples(x, y, &sample, &sampleTentFilter);
// memory allocating
a3Ray ray;
// 生成光线
camera->castRay(&sampleTentFilter, &ray);
color += integrator->li(ray, *scene) / spp;
}
// 临时空间中setColor
colorList[x + y * imageWidth] = color;
}
}
a3Log::print("\n");
t3Timer timer;
timer.start();
// 后期特效处理
postEffect();
timer.end();
a3Log::info("Post Effec Cost: %f\n", timer.difference());
// 保存真实渲染图像文件
camera->image->write();
end();
}
