void DeferredLightingEffect::init() {
_simpleProgram.addShaderFromSourceFile(QGLShader::Vertex, Application::resourcesPath() + "shaders/simple.vert");
_simpleProgram.addShaderFromSourceFile(QGLShader::Fragment, Application::resourcesPath() + "shaders/simple.frag");
_simpleProgram.link();
_simpleProgram.bind();
_glowIntensityLocation = _simpleProgram.uniformLocation("glowIntensity");
_simpleProgram.release();
loadLightProgram("shaders/directional_light.frag", false, _directionalLight, _directionalLightLocations);
loadLightProgram("shaders/directional_light_shadow_map.frag", false, _directionalLightShadowMap,
_directionalLightShadowMapLocations);
loadLightProgram("shaders/directional_light_cascaded_shadow_map.frag", false, _directionalLightCascadedShadowMap,
_directionalLightCascadedShadowMapLocations);
loadLightProgram("shaders/point_light.frag", true, _pointLight, _pointLightLocations);
loadLightProgram("shaders/spot_light.frag", true, _spotLight, _spotLightLocations);
}
void DeferredLightingEffect::init() {
_directionalLightLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightLocations = std::make_shared<LightLocations>();
_directionalLightShadowLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightShadowLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightShadowLocations = std::make_shared<LightLocations>();
_pointLightLocations = std::make_shared<LightLocations>();
_spotLightLocations = std::make_shared<LightLocations>();
loadLightProgram(deferred_light_vert, directional_light_frag, false, _directionalLight, _directionalLightLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_frag, false, _directionalAmbientSphereLight, _directionalAmbientSphereLightLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_frag, false, _directionalSkyboxLight, _directionalSkyboxLightLocations);
loadLightProgram(deferred_light_vert, directional_light_shadow_frag, false, _directionalLightShadow, _directionalLightShadowLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_shadow_frag, false, _directionalAmbientSphereLightShadow, _directionalAmbientSphereLightShadowLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_shadow_frag, false, _directionalSkyboxLightShadow, _directionalSkyboxLightShadowLocations);
loadLightProgram(deferred_light_limited_vert, point_light_frag, true, _pointLight, _pointLightLocations);
loadLightProgram(deferred_light_spot_vert, spot_light_frag, true, _spotLight, _spotLightLocations);
// Allocate a global light representing the Global Directional light casting shadow (the sun) and the ambient light
_globalLights.push_back(0);
_allocatedLights.push_back(std::make_shared<model::Light>());
model::LightPointer lp = _allocatedLights[0];
lp->setType(model::Light::SUN);
// Add the global light to the light stage (for later shadow rendering)
_lightStage.addLight(lp);
lp->setDirection(glm::vec3(-1.0f));
lp->setColor(glm::vec3(1.0f));
lp->setIntensity(1.0f);
lp->setType(model::Light::SUN);
lp->setAmbientSpherePreset(gpu::SphericalHarmonics::Preset::OLD_TOWN_SQUARE);
}
void DeferredLightingEffect::init(AbstractViewStateInterface* viewState) {
auto VS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(simple_vert)));
auto PS = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(simple_frag)));
auto PSTextured = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(simple_textured_frag)));
gpu::ShaderPointer program = gpu::ShaderPointer(gpu::Shader::createProgram(VS, PS));
gpu::ShaderPointer programTextured = gpu::ShaderPointer(gpu::Shader::createProgram(VS, PSTextured));
gpu::Shader::BindingSet slotBindings;
gpu::Shader::makeProgram(*program, slotBindings);
gpu::Shader::makeProgram(*programTextured, slotBindings);
gpu::StatePointer state = gpu::StatePointer(new gpu::State());
state->setCullMode(gpu::State::CULL_BACK);
state->setDepthTest(true, true, gpu::LESS_EQUAL);
state->setBlendFunction(false,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
gpu::StatePointer stateCullNone = gpu::StatePointer(new gpu::State());
stateCullNone->setCullMode(gpu::State::CULL_NONE);
stateCullNone->setDepthTest(true, true, gpu::LESS_EQUAL);
stateCullNone->setBlendFunction(false,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
_simpleProgram = gpu::PipelinePointer(gpu::Pipeline::create(program, state));
_simpleProgramCullNone = gpu::PipelinePointer(gpu::Pipeline::create(program, stateCullNone));
_simpleProgramTextured = gpu::PipelinePointer(gpu::Pipeline::create(programTextured, state));
_simpleProgramTexturedCullNone = gpu::PipelinePointer(gpu::Pipeline::create(programTextured, stateCullNone));
_viewState = viewState;
loadLightProgram(directional_light_frag, false, _directionalLight, _directionalLightLocations);
loadLightProgram(directional_light_shadow_map_frag, false, _directionalLightShadowMap,
_directionalLightShadowMapLocations);
loadLightProgram(directional_light_cascaded_shadow_map_frag, false, _directionalLightCascadedShadowMap,
_directionalLightCascadedShadowMapLocations);
loadLightProgram(directional_ambient_light_frag, false, _directionalAmbientSphereLight, _directionalAmbientSphereLightLocations);
loadLightProgram(directional_ambient_light_shadow_map_frag, false, _directionalAmbientSphereLightShadowMap,
_directionalAmbientSphereLightShadowMapLocations);
loadLightProgram(directional_ambient_light_cascaded_shadow_map_frag, false, _directionalAmbientSphereLightCascadedShadowMap,
_directionalAmbientSphereLightCascadedShadowMapLocations);
loadLightProgram(directional_skybox_light_frag, false, _directionalSkyboxLight, _directionalSkyboxLightLocations);
loadLightProgram(directional_skybox_light_shadow_map_frag, false, _directionalSkyboxLightShadowMap,
_directionalSkyboxLightShadowMapLocations);
loadLightProgram(directional_skybox_light_cascaded_shadow_map_frag, false, _directionalSkyboxLightCascadedShadowMap,
_directionalSkyboxLightCascadedShadowMapLocations);
loadLightProgram(point_light_frag, true, _pointLight, _pointLightLocations);
loadLightProgram(spot_light_frag, true, _spotLight, _spotLightLocations);
// Allocate a global light representing the Global Directional light casting shadow (the sun) and the ambient light
_globalLights.push_back(0);
_allocatedLights.push_back(model::LightPointer(new model::Light()));
model::LightPointer lp = _allocatedLights[0];
lp->setDirection(-glm::vec3(1.0f, 1.0f, 1.0f));
lp->setColor(glm::vec3(1.0f));
lp->setIntensity(1.0f);
lp->setType(model::Light::SUN);
lp->setAmbientSpherePreset(gpu::SphericalHarmonics::Preset(_ambientLightMode % gpu::SphericalHarmonics::NUM_PRESET));
}
void DeferredLightingEffect::init(AbstractViewStateInterface* viewState) {
auto VS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(simple_vert)));
auto PS = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(simple_textured_frag)));
auto PSEmissive = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(simple_textured_emisive_frag)));
_simpleShader = gpu::ShaderPointer(gpu::Shader::createProgram(VS, PS));
_emissiveShader = gpu::ShaderPointer(gpu::Shader::createProgram(VS, PSEmissive));
gpu::Shader::BindingSet slotBindings;
slotBindings.insert(gpu::Shader::Binding(std::string("normalFittingMap"), DeferredLightingEffect::NORMAL_FITTING_MAP_SLOT));
gpu::Shader::makeProgram(*_simpleShader, slotBindings);
gpu::Shader::makeProgram(*_emissiveShader, slotBindings);
_viewState = viewState;
_directionalLightLocations = std::make_shared<LightLocations>();
_directionalLightShadowMapLocations = std::make_shared<LightLocations>();
_directionalLightCascadedShadowMapLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightShadowMapLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightCascadedShadowMapLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightShadowMapLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightCascadedShadowMapLocations = std::make_shared<LightLocations>();
_pointLightLocations = std::make_shared<LightLocations>();
_spotLightLocations = std::make_shared<LightLocations>();
loadLightProgram(deferred_light_vert, directional_light_frag, false, _directionalLight, _directionalLightLocations);
loadLightProgram(deferred_light_vert, directional_light_shadow_map_frag, false, _directionalLightShadowMap,
_directionalLightShadowMapLocations);
loadLightProgram(deferred_light_vert, directional_light_cascaded_shadow_map_frag, false, _directionalLightCascadedShadowMap,
_directionalLightCascadedShadowMapLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_frag, false, _directionalAmbientSphereLight, _directionalAmbientSphereLightLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_shadow_map_frag, false, _directionalAmbientSphereLightShadowMap,
_directionalAmbientSphereLightShadowMapLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_cascaded_shadow_map_frag, false, _directionalAmbientSphereLightCascadedShadowMap,
_directionalAmbientSphereLightCascadedShadowMapLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_frag, false, _directionalSkyboxLight, _directionalSkyboxLightLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_shadow_map_frag, false, _directionalSkyboxLightShadowMap,
_directionalSkyboxLightShadowMapLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_cascaded_shadow_map_frag, false, _directionalSkyboxLightCascadedShadowMap,
_directionalSkyboxLightCascadedShadowMapLocations);
loadLightProgram(deferred_light_limited_vert, point_light_frag, true, _pointLight, _pointLightLocations);
loadLightProgram(deferred_light_spot_vert, spot_light_frag, true, _spotLight, _spotLightLocations);
{
//auto VSFS = gpu::StandardShaderLib::getDrawViewportQuadTransformTexcoordVS();
//auto PSBlit = gpu::StandardShaderLib::getDrawTexturePS();
auto blitProgram = gpu::StandardShaderLib::getProgram(gpu::StandardShaderLib::getDrawViewportQuadTransformTexcoordVS, gpu::StandardShaderLib::getDrawTexturePS);
gpu::Shader::makeProgram(*blitProgram);
auto blitState = std::make_shared<gpu::State>();
blitState->setBlendFunction(true,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
blitState->setColorWriteMask(true, true, true, false);
_blitLightBuffer = gpu::PipelinePointer(gpu::Pipeline::create(blitProgram, blitState));
}
// Allocate a global light representing the Global Directional light casting shadow (the sun) and the ambient light
_globalLights.push_back(0);
_allocatedLights.push_back(std::make_shared<model::Light>());
model::LightPointer lp = _allocatedLights[0];
lp->setDirection(-glm::vec3(1.0f, 1.0f, 1.0f));
lp->setColor(glm::vec3(1.0f));
lp->setIntensity(1.0f);
lp->setType(model::Light::SUN);
lp->setAmbientSpherePreset(gpu::SphericalHarmonics::Preset(_ambientLightMode % gpu::SphericalHarmonics::NUM_PRESET));
}
