diff options
Diffstat (limited to 'src/client/shadows/dynamicshadowsrender.cpp')
| -rw-r--r-- | src/client/shadows/dynamicshadowsrender.cpp | 156 |
1 files changed, 127 insertions, 29 deletions
diff --git a/src/client/shadows/dynamicshadowsrender.cpp b/src/client/shadows/dynamicshadowsrender.cpp index 135c9f895..350586225 100644 --- a/src/client/shadows/dynamicshadowsrender.cpp +++ b/src/client/shadows/dynamicshadowsrender.cpp @@ -27,10 +27,11 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "client/shader.h" #include "client/client.h" #include "client/clientmap.h" +#include "profiler.h" ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) : m_device(device), m_smgr(device->getSceneManager()), - m_driver(device->getVideoDriver()), m_client(client) + m_driver(device->getVideoDriver()), m_client(client), m_current_frame(0) { m_shadows_enabled = true; @@ -43,7 +44,7 @@ ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) : m_shadow_map_texture_32bit = g_settings->getBool("shadow_map_texture_32bit"); m_shadow_map_colored = g_settings->getBool("shadow_map_color"); m_shadow_samples = g_settings->getS32("shadow_filters"); - m_update_delta = g_settings->getFloat("shadow_update_time"); + m_map_shadow_update_frames = g_settings->getS16("shadow_update_frames"); } ShadowRenderer::~ShadowRenderer() @@ -66,6 +67,9 @@ ShadowRenderer::~ShadowRenderer() if (shadowMapClientMap) m_driver->removeTexture(shadowMapClientMap); + + if (shadowMapClientMapFuture) + m_driver->removeTexture(shadowMapClientMapFuture); } void ShadowRenderer::initialize() @@ -93,11 +97,6 @@ void ShadowRenderer::initialize() } -float ShadowRenderer::getUpdateDelta() const -{ - return m_update_delta; -} - size_t ShadowRenderer::addDirectionalLight() { m_light_list.emplace_back(m_shadow_map_texture_size, @@ -152,10 +151,9 @@ void ShadowRenderer::setClearColor(video::SColor ClearColor) m_clear_color = ClearColor; } -void ShadowRenderer::update(video::ITexture *outputTarget) +void ShadowRenderer::updateSMTextures() { if (!m_shadows_enabled || m_smgr->getActiveCamera() == nullptr) { - m_smgr->drawAll(); return; } @@ -174,6 +172,13 @@ void ShadowRenderer::update(video::ITexture *outputTarget) true); } + if (!shadowMapClientMapFuture && m_map_shadow_update_frames > 1) { + shadowMapClientMapFuture = getSMTexture( + std::string("shadow_clientmap_bb_") + itos(m_shadow_map_texture_size), + m_shadow_map_colored ? m_texture_format_color : m_texture_format, + true); + } + if (m_shadow_map_colored && !shadowMapTextureColors) { shadowMapTextureColors = getSMTexture( std::string("shadow_colored_") + itos(m_shadow_map_texture_size), @@ -201,7 +206,22 @@ void ShadowRenderer::update(video::ITexture *outputTarget) } if (!m_shadow_node_array.empty() && !m_light_list.empty()) { - // for every directional light: + bool reset_sm_texture = false; + + // detect if SM should be regenerated + for (DirectionalLight &light : m_light_list) { + if (light.should_update_map_shadow) { + light.should_update_map_shadow = false; + m_current_frame = 0; + reset_sm_texture = true; + } + } + + video::ITexture* shadowMapTargetTexture = shadowMapClientMapFuture; + if (shadowMapTargetTexture == nullptr) + shadowMapTargetTexture = shadowMapClientMap; + + // Update SM incrementally: for (DirectionalLight &light : m_light_list) { // Static shader values. m_shadow_depth_cb->MapRes = (f32)m_shadow_map_texture_size; @@ -212,22 +232,60 @@ void ShadowRenderer::update(video::ITexture *outputTarget) // Depth texture is available in irrlicth maybe we // should put some gl* fn here - if (light.should_update_map_shadow) { - light.should_update_map_shadow = false; - m_driver->setRenderTarget(shadowMapClientMap, true, true, + if (m_current_frame < m_map_shadow_update_frames) { + m_driver->setRenderTarget(shadowMapTargetTexture, reset_sm_texture, true, video::SColor(255, 255, 255, 255)); - renderShadowMap(shadowMapClientMap, light); - - if (m_shadow_map_colored) { - m_driver->setRenderTarget(shadowMapTextureColors, - true, false, video::SColor(255, 255, 255, 255)); + renderShadowMap(shadowMapTargetTexture, light); + + // Render transparent part in one pass. + // This is also handled in ClientMap. + if (m_current_frame == m_map_shadow_update_frames - 1) { + if (m_shadow_map_colored) { + m_driver->setRenderTarget(shadowMapTextureColors, + true, false, video::SColor(255, 255, 255, 255)); + } + renderShadowMap(shadowMapTextureColors, light, + scene::ESNRP_TRANSPARENT); } - renderShadowMap(shadowMapTextureColors, light, - scene::ESNRP_TRANSPARENT); m_driver->setRenderTarget(0, false, false); } + reset_sm_texture = false; + } // end for lights + + // move to the next section + if (m_current_frame <= m_map_shadow_update_frames) + ++m_current_frame; + + // pass finished, swap textures and commit light changes + if (m_current_frame == m_map_shadow_update_frames) { + if (shadowMapClientMapFuture != nullptr) + std::swap(shadowMapClientMapFuture, shadowMapClientMap); + + // Let all lights know that maps are updated + for (DirectionalLight &light : m_light_list) + light.commitFrustum(); + } + } +} + +void ShadowRenderer::update(video::ITexture *outputTarget) +{ + if (!m_shadows_enabled || m_smgr->getActiveCamera() == nullptr) { + m_smgr->drawAll(); + return; + } + + updateSMTextures(); + + if (!m_shadow_node_array.empty() && !m_light_list.empty()) { + + for (DirectionalLight &light : m_light_list) { + // Static shader values. + m_shadow_depth_cb->MapRes = (f32)m_shadow_map_texture_size; + m_shadow_depth_cb->MaxFar = (f32)m_shadow_map_max_distance * BS; + // render shadows for the n0n-map objects. m_driver->setRenderTarget(shadowMapTextureDynamicObjects, true, true, video::SColor(255, 255, 255, 255)); @@ -299,8 +357,8 @@ video::ITexture *ShadowRenderer::getSMTexture(const std::string &shadow_map_name void ShadowRenderer::renderShadowMap(video::ITexture *target, DirectionalLight &light, scene::E_SCENE_NODE_RENDER_PASS pass) { - m_driver->setTransform(video::ETS_VIEW, light.getViewMatrix()); - m_driver->setTransform(video::ETS_PROJECTION, light.getProjectionMatrix()); + m_driver->setTransform(video::ETS_VIEW, light.getFutureViewMatrix()); + m_driver->setTransform(video::ETS_PROJECTION, light.getFutureProjectionMatrix()); // Operate on the client map for (const auto &shadow_node : m_shadow_node_array) { @@ -322,10 +380,13 @@ void ShadowRenderer::renderShadowMap(video::ITexture *target, //material.PolygonOffsetDepthBias = 1.0f/4.0f; //material.PolygonOffsetSlopeScale = -1.f; - if (m_shadow_map_colored && pass != scene::ESNRP_SOLID) + if (m_shadow_map_colored && pass != scene::ESNRP_SOLID) { material.MaterialType = (video::E_MATERIAL_TYPE) depth_shader_trans; - else + } + else { material.MaterialType = (video::E_MATERIAL_TYPE) depth_shader; + material.BlendOperation = video::EBO_MIN; + } // FIXME: I don't think this is needed here map_node->OnAnimate(m_device->getTimer()->getTime()); @@ -333,7 +394,7 @@ void ShadowRenderer::renderShadowMap(video::ITexture *target, m_driver->setTransform(video::ETS_WORLD, map_node->getAbsoluteTransformation()); - map_node->renderMapShadows(m_driver, material, pass); + map_node->renderMapShadows(m_driver, material, pass, m_current_frame, m_map_shadow_update_frames); break; } } @@ -354,8 +415,10 @@ void ShadowRenderer::renderShadowObjects( u32 n_node_materials = shadow_node.node->getMaterialCount(); std::vector<s32> BufferMaterialList; std::vector<std::pair<bool, bool>> BufferMaterialCullingList; + std::vector<video::E_BLEND_OPERATION> BufferBlendOperationList; BufferMaterialList.reserve(n_node_materials); BufferMaterialCullingList.reserve(n_node_materials); + BufferBlendOperationList.reserve(n_node_materials); // backup materialtype for each material // (aka shader) @@ -365,12 +428,11 @@ void ShadowRenderer::renderShadowObjects( BufferMaterialList.push_back(current_mat.MaterialType); current_mat.MaterialType = - (video::E_MATERIAL_TYPE)depth_shader; - - current_mat.setTexture(3, shadowMapTextureFinal); + (video::E_MATERIAL_TYPE)depth_shader_entities; BufferMaterialCullingList.emplace_back( (bool)current_mat.BackfaceCulling, (bool)current_mat.FrontfaceCulling); + BufferBlendOperationList.push_back(current_mat.BlendOperation); current_mat.BackfaceCulling = true; current_mat.FrontfaceCulling = false; @@ -393,6 +455,7 @@ void ShadowRenderer::renderShadowObjects( current_mat.BackfaceCulling = BufferMaterialCullingList[m].first; current_mat.FrontfaceCulling = BufferMaterialCullingList[m].second; + current_mat.BlendOperation = BufferBlendOperationList[m]; } } // end for caster shadow nodes @@ -433,7 +496,7 @@ void ShadowRenderer::createShaders() readShaderFile(depth_shader_vs).c_str(), "vertexMain", video::EVST_VS_1_1, readShaderFile(depth_shader_fs).c_str(), "pixelMain", - video::EPST_PS_1_2, m_shadow_depth_cb); + video::EPST_PS_1_2, m_shadow_depth_cb, video::EMT_ONETEXTURE_BLEND); if (depth_shader == -1) { // upsi, something went wrong loading shader. @@ -449,6 +512,41 @@ void ShadowRenderer::createShaders() m_driver->getMaterialRenderer(depth_shader)->grab(); } + // This creates a clone of depth_shader with base material set to EMT_SOLID, + // because entities won't render shadows with base material EMP_ONETEXTURE_BLEND + if (depth_shader_entities == -1) { + std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_vertex.glsl"); + if (depth_shader_vs.empty()) { + m_shadows_enabled = false; + errorstream << "Error shadow mapping vs shader not found." << std::endl; + return; + } + std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass1_fragment.glsl"); + if (depth_shader_fs.empty()) { + m_shadows_enabled = false; + errorstream << "Error shadow mapping fs shader not found." << std::endl; + return; + } + + depth_shader_entities = gpu->addHighLevelShaderMaterial( + readShaderFile(depth_shader_vs).c_str(), "vertexMain", + video::EVST_VS_1_1, + readShaderFile(depth_shader_fs).c_str(), "pixelMain", + video::EPST_PS_1_2, m_shadow_depth_cb); + + if (depth_shader_entities == -1) { + // upsi, something went wrong loading shader. + m_shadows_enabled = false; + errorstream << "Error compiling shadow mapping shader (dynamic)." << std::endl; + return; + } + + // HACK, TODO: investigate this better + // Grab the material renderer once more so minetest doesn't crash + // on exit + m_driver->getMaterialRenderer(depth_shader_entities)->grab(); + } + if (mixcsm_shader == -1) { std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass2_vertex.glsl"); if (depth_shader_vs.empty()) { |