diff options
Diffstat (limited to 'src/client/shadows/dynamicshadowsrender.cpp')
-rw-r--r-- | src/client/shadows/dynamicshadowsrender.cpp | 95 |
1 files changed, 69 insertions, 26 deletions
diff --git a/src/client/shadows/dynamicshadowsrender.cpp b/src/client/shadows/dynamicshadowsrender.cpp index 528415aaf..24adb21e2 100644 --- a/src/client/shadows/dynamicshadowsrender.cpp +++ b/src/client/shadows/dynamicshadowsrender.cpp @@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc., */ #include <cstring> +#include <cmath> #include "client/shadows/dynamicshadowsrender.h" #include "client/shadows/shadowsScreenQuad.h" #include "client/shadows/shadowsshadercallbacks.h" @@ -33,9 +34,13 @@ ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) : m_device(device), m_smgr(device->getSceneManager()), m_driver(device->getVideoDriver()), m_client(client), m_current_frame(0) { + m_shadows_supported = true; // assume shadows supported. We will check actual support in initialize m_shadows_enabled = true; - m_shadow_strength = g_settings->getFloat("shadow_strength"); + m_shadow_strength_gamma = g_settings->getFloat("shadow_strength_gamma"); + if (std::isnan(m_shadow_strength_gamma)) + m_shadow_strength_gamma = 1.0f; + m_shadow_strength_gamma = core::clamp(m_shadow_strength_gamma, 0.1f, 10.0f); m_shadow_map_max_distance = g_settings->getFloat("shadow_map_max_distance"); @@ -49,6 +54,9 @@ ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) : ShadowRenderer::~ShadowRenderer() { + // call to disable releases dynamically allocated resources + disable(); + if (m_shadow_depth_cb) delete m_shadow_depth_cb; if (m_shadow_mix_cb) @@ -72,15 +80,25 @@ ShadowRenderer::~ShadowRenderer() m_driver->removeTexture(shadowMapClientMapFuture); } +void ShadowRenderer::disable() +{ + m_shadows_enabled = false; + if (shadowMapTextureFinal) { + m_driver->setRenderTarget(shadowMapTextureFinal, true, true, + video::SColor(255, 255, 255, 255)); + m_driver->setRenderTarget(0, true, true); + } +} + void ShadowRenderer::initialize() { auto *gpu = m_driver->getGPUProgrammingServices(); // we need glsl - if (m_shadows_enabled && gpu && m_driver->queryFeature(video::EVDF_ARB_GLSL)) { + if (m_shadows_supported && gpu && m_driver->queryFeature(video::EVDF_ARB_GLSL)) { createShaders(); } else { - m_shadows_enabled = false; + m_shadows_supported = false; warningstream << "Shadows: GLSL Shader not supported on this system." << std::endl; @@ -94,6 +112,8 @@ void ShadowRenderer::initialize() m_texture_format_color = m_shadow_map_texture_32bit ? video::ECOLOR_FORMAT::ECF_G32R32F : video::ECOLOR_FORMAT::ECF_G16R16F; + + m_shadows_enabled &= m_shadows_supported; } @@ -124,6 +144,16 @@ f32 ShadowRenderer::getMaxShadowFar() const return 0.0f; } +void ShadowRenderer::setShadowIntensity(float shadow_intensity) +{ + m_shadow_strength = pow(shadow_intensity, 1.0f / m_shadow_strength_gamma); + if (m_shadow_strength > 1E-2) + enable(); + else + disable(); +} + + void ShadowRenderer::addNodeToShadowList( scene::ISceneNode *node, E_SHADOW_MODE shadowMode) { @@ -153,6 +183,7 @@ void ShadowRenderer::updateSMTextures() shadowMapTextureDynamicObjects = getSMTexture( std::string("shadow_dynamic_") + itos(m_shadow_map_texture_size), m_texture_format, true); + assert(shadowMapTextureDynamicObjects != nullptr); } if (!shadowMapClientMap) { @@ -161,6 +192,7 @@ void ShadowRenderer::updateSMTextures() std::string("shadow_clientmap_") + itos(m_shadow_map_texture_size), m_shadow_map_colored ? m_texture_format_color : m_texture_format, true); + assert(shadowMapClientMap != nullptr); } if (!shadowMapClientMapFuture && m_map_shadow_update_frames > 1) { @@ -168,6 +200,7 @@ void ShadowRenderer::updateSMTextures() std::string("shadow_clientmap_bb_") + itos(m_shadow_map_texture_size), m_shadow_map_colored ? m_texture_format_color : m_texture_format, true); + assert(shadowMapClientMapFuture != nullptr); } if (m_shadow_map_colored && !shadowMapTextureColors) { @@ -175,6 +208,7 @@ void ShadowRenderer::updateSMTextures() std::string("shadow_colored_") + itos(m_shadow_map_texture_size), m_shadow_map_colored ? m_texture_format_color : m_texture_format, true); + assert(shadowMapTextureColors != nullptr); } // The merge all shadowmaps texture @@ -194,6 +228,7 @@ void ShadowRenderer::updateSMTextures() shadowMapTextureFinal = getSMTexture( std::string("shadowmap_final_") + itos(m_shadow_map_texture_size), frt, true); + assert(shadowMapTextureFinal != nullptr); } if (!m_shadow_node_array.empty() && !m_light_list.empty()) { @@ -270,6 +305,10 @@ void ShadowRenderer::update(video::ITexture *outputTarget) updateSMTextures(); + if (shadowMapTextureFinal == nullptr) { + return; + } + if (!m_shadow_node_array.empty() && !m_light_list.empty()) { for (DirectionalLight &light : m_light_list) { @@ -307,19 +346,23 @@ void ShadowRenderer::drawDebug() /* this code just shows shadows textures in screen and in ONLY for debugging*/ #if 0 // this is debug, ignore for now. - m_driver->draw2DImage(shadowMapTextureFinal, - core::rect<s32>(0, 50, 128, 128 + 50), - core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize())); + if (shadowMapTextureFinal) + m_driver->draw2DImage(shadowMapTextureFinal, + core::rect<s32>(0, 50, 128, 128 + 50), + core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize())); - m_driver->draw2DImage(shadowMapClientMap, - core::rect<s32>(0, 50 + 128, 128, 128 + 50 + 128), - core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize())); - m_driver->draw2DImage(shadowMapTextureDynamicObjects, - core::rect<s32>(0, 128 + 50 + 128, 128, - 128 + 50 + 128 + 128), - core::rect<s32>({0, 0}, shadowMapTextureDynamicObjects->getSize())); + if (shadowMapClientMap) + m_driver->draw2DImage(shadowMapClientMap, + core::rect<s32>(0, 50 + 128, 128, 128 + 50 + 128), + core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize())); + + if (shadowMapTextureDynamicObjects) + m_driver->draw2DImage(shadowMapTextureDynamicObjects, + core::rect<s32>(0, 128 + 50 + 128, 128, + 128 + 50 + 128 + 128), + core::rect<s32>({0, 0}, shadowMapTextureDynamicObjects->getSize())); - if (m_shadow_map_colored) { + if (m_shadow_map_colored && shadowMapTextureColors) { m_driver->draw2DImage(shadowMapTextureColors, core::rect<s32>(128,128 + 50 + 128 + 128, @@ -469,13 +512,13 @@ void ShadowRenderer::createShaders() if (depth_shader == -1) { std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_vertex.glsl"); if (depth_shader_vs.empty()) { - m_shadows_enabled = false; + m_shadows_supported = 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; + m_shadows_supported = false; errorstream << "Error shadow mapping fs shader not found." << std::endl; return; } @@ -490,7 +533,7 @@ void ShadowRenderer::createShaders() if (depth_shader == -1) { // upsi, something went wrong loading shader. delete m_shadow_depth_cb; - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error compiling shadow mapping shader." << std::endl; return; } @@ -506,13 +549,13 @@ void ShadowRenderer::createShaders() 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; + m_shadows_supported = 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; + m_shadows_supported = false; errorstream << "Error shadow mapping fs shader not found." << std::endl; return; } @@ -525,7 +568,7 @@ void ShadowRenderer::createShaders() if (depth_shader_entities == -1) { // upsi, something went wrong loading shader. - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error compiling shadow mapping shader (dynamic)." << std::endl; return; } @@ -539,14 +582,14 @@ void ShadowRenderer::createShaders() if (mixcsm_shader == -1) { std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass2_vertex.glsl"); if (depth_shader_vs.empty()) { - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error cascade shadow mapping fs shader not found." << std::endl; return; } std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass2_fragment.glsl"); if (depth_shader_fs.empty()) { - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error cascade shadow mapping fs shader not found." << std::endl; return; } @@ -565,7 +608,7 @@ void ShadowRenderer::createShaders() // upsi, something went wrong loading shader. delete m_shadow_mix_cb; delete m_screen_quad; - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error compiling cascade shadow mapping shader." << std::endl; return; } @@ -579,13 +622,13 @@ void ShadowRenderer::createShaders() if (m_shadow_map_colored && depth_shader_trans == -1) { std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_trans_vertex.glsl"); if (depth_shader_vs.empty()) { - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error shadow mapping vs shader not found." << std::endl; return; } std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass1_trans_fragment.glsl"); if (depth_shader_fs.empty()) { - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error shadow mapping fs shader not found." << std::endl; return; } @@ -601,7 +644,7 @@ void ShadowRenderer::createShaders() // upsi, something went wrong loading shader. delete m_shadow_depth_trans_cb; m_shadow_map_colored = false; - m_shadows_enabled = false; + m_shadows_supported = false; errorstream << "Error compiling colored shadow mapping shader." << std::endl; return; } |