int GausBlur::init(xdl::xdl_uint width, xdl::xdl_uint height, xdl::XdevLFrameBufferColorFormat textureFormat) {
PostProcessEffect::init(width, height);
m_shaderProgram = m_rai->createShaderProgram();
m_vs = m_rai->createVertexShader();
m_vs->compileFromFile("resources/shaders/blurGaus_vs.glsl");
m_fs = m_rai->createFragmentShader();
m_fs->compileFromFile("resources/shaders/blurGaus_fs.glsl");
m_shaderProgram->attach(m_vs);
m_shaderProgram->attach(m_fs);
m_shaderProgram->link();
m_textureid = m_shaderProgram->getUniformLocation("texture0");
m_blurDirectionid = m_shaderProgram->getUniformLocation("blurDirection");
m_blurSizeid = m_shaderProgram->getUniformLocation("blurSize");
// Create Framebuffer.
m_frameBuffer = m_rai->createFrameBuffer();
if(m_frameBuffer->init(m_width, m_height) != xdl::ERR_OK) {
std::cerr << "GBuffer::Could not create Framebuffer." << std::endl;
return -1;
}
//
// Create one Framebuffer with one color target to Blur horizontally.
//
m_frameBuffer->addColorTarget(0, textureFormat);
auto texture = m_frameBuffer->getTexture(0);
texture->lock();
texture->setTextureFilter(xdl::XDEVL_TEXTURE_MAG_FILTER, xdl::XDEVL_LINEAR);
texture->setTextureFilter(xdl::XDEVL_TEXTURE_MIN_FILTER, xdl::XDEVL_LINEAR);
texture->setTextureWrap(xdl::XDEVL_TEXTURE_WRAP_S, xdl::XDEVL_CLAMP_TO_BORDER);
texture->setTextureWrap(xdl::XDEVL_TEXTURE_WRAP_T, xdl::XDEVL_CLAMP_TO_BORDER);
texture->unlock();
//
// Create one Framebuffer with one color target to Blur vertically.
//
m_frameBuffer2 = m_rai->createFrameBuffer();
if(m_frameBuffer2->init(m_width, m_height) != xdl::ERR_OK) {
std::cerr << "GBuffer::Could not create Framebuffer." << std::endl;
return -1;
}
m_frameBuffer2->addColorTarget(0, textureFormat);
auto texture2 = m_frameBuffer2->getTexture(0);
texture2->lock();
texture2->setTextureFilter(xdl::XDEVL_TEXTURE_MAG_FILTER, xdl::XDEVL_LINEAR);
texture2->setTextureFilter(xdl::XDEVL_TEXTURE_MIN_FILTER, xdl::XDEVL_LINEAR);
texture2->setTextureWrap(xdl::XDEVL_TEXTURE_WRAP_S, xdl::XDEVL_CLAMP_TO_BORDER);
texture2->setTextureWrap(xdl::XDEVL_TEXTURE_WRAP_T, xdl::XDEVL_CLAMP_TO_BORDER);
texture2->unlock();
return 0;
}
void Image::setFilter(const Image::Filter &f)
{
filter = f;
bind();
checkMipmapsCreated();
setTextureFilter(f);
}
