C++ (Cpp) DeferredRenderer::resolution Examples

Example #1

File: TiledLightRenderer.cpp Project: williamallas/TIMEngine2

TiledLightRenderer::TiledLightRenderer(DeferredRenderer& deferred, bool hdr) : LightContextRenderer(deferred)
{
    _tileCount = deferred.resolution() / TILE_SIZE;
    if(deferred.resolution().x() % TILE_SIZE.x() != 0)
        _tileCount.x()++;
    if(deferred.resolution().y() % TILE_SIZE.y() != 0)
        _tileCount.y()++;

    ShaderCompiler shader(ShaderCompiler::COMPUTE_SHADER);
    shader.setSource(StringUtils::readFile("shader/tiledLightShader.cs"));

    auto optShader = Shader::linkComputeShader(shader.compile({}));

    if(!optShader.hasValue())
    {
        LOG("shader/tiledLightShader.cs error:\n", shader.error());
        LOG("Link erorr:", Shader::lastLinkError());
    }
    else
        _computeShader = optShader.value();

    _computeShader->bind();
    _nbLightUniformId = _computeShader->uniformLocation("nbLight");

    Texture::GenTexParam param;
    param.format = Texture::RGB16;
    param.nbLevels = 1;
    param.size = uivec3(256,256,1);
    float* dat = new float[256*256*3];
    std::ifstream inDat("shader/brdf_256.dat", std::ios_base::binary);
    inDat.read((char*)dat, sizeof(float)*256*256*3);
    _processedBrdf = Texture::genTexture2D(param, dat, 3);
    delete[] dat;
}