diff --git a/SDK/include/NDK/Systems/RenderSystem.hpp b/SDK/include/NDK/Systems/RenderSystem.hpp index 91f63f8ed..9df56bc49 100644 --- a/SDK/include/NDK/Systems/RenderSystem.hpp +++ b/SDK/include/NDK/Systems/RenderSystem.hpp @@ -37,11 +37,14 @@ namespace Ndk void OnEntityRemoved(Entity* entity) override; void OnEntityValidation(Entity* entity, bool justAdded) override; void OnUpdate(float elapsedTime) override; - void UpdateShadowMaps(); + void UpdateDirectionalShadowMaps(const NzAbstractViewer& viewer); + void UpdatePointSpotShadowMaps(); EntityList m_cameras; EntityList m_drawables; + EntityList m_directionalLights; EntityList m_lights; + EntityList m_pointSpotLights; NzBackgroundRef m_background; NzDepthRenderTechnique m_shadowTechnique; NzForwardRenderTechnique m_renderTechnique; diff --git a/SDK/src/NDK/Systems/RenderSystem.cpp b/SDK/src/NDK/Systems/RenderSystem.cpp index f4c8fe82c..742dcd363 100644 --- a/SDK/src/NDK/Systems/RenderSystem.cpp +++ b/SDK/src/NDK/Systems/RenderSystem.cpp @@ -46,21 +46,40 @@ namespace Ndk m_drawables.Remove(entity); if (entity->HasComponent() && entity->HasComponent()) + { + LightComponent& lightComponent = entity->GetComponent(); + if (lightComponent.GetLightType() == nzLightType_Directional) + { + m_directionalLights.Insert(entity); + m_pointSpotLights.Remove(entity); + } + else + { + m_directionalLights.Remove(entity); + m_pointSpotLights.Insert(entity); + } + m_lights.Insert(entity); + } else + { + m_directionalLights.Remove(entity); m_lights.Remove(entity); + m_pointSpotLights.Remove(entity); + } } void RenderSystem::OnUpdate(float elapsedTime) { NazaraUnused(elapsedTime); - UpdateShadowMaps(); + UpdatePointSpotShadowMaps(); for (const Ndk::EntityHandle& camera : m_cameras) { CameraComponent& camComponent = camera->GetComponent(); - camComponent.ApplyView(); + + //UpdateDirectionalShadowMaps(camComponent); NzAbstractRenderQueue* renderQueue = m_renderTechnique.GetRenderQueue(); renderQueue->Clear(); @@ -81,6 +100,8 @@ namespace Ndk lightComponent.AddToRenderQueue(renderQueue, lightNode.GetTransformMatrix()); } + camComponent.ApplyView(); + NzSceneData sceneData; sceneData.ambientColor = NzColor(25, 25, 25); sceneData.background = m_background; @@ -90,7 +111,7 @@ namespace Ndk } } - void RenderSystem::UpdateShadowMaps() + void RenderSystem::UpdateDirectionalShadowMaps(const NzAbstractViewer& viewer) { if (!m_shadowRT.IsValid()) m_shadowRT.Create(); @@ -100,18 +121,66 @@ namespace Ndk dummySceneData.background = nullptr; dummySceneData.viewer = nullptr; //< Depth technique doesn't require any viewer - for (const Ndk::EntityHandle& light : m_lights) + for (const Ndk::EntityHandle& light : m_directionalLights) { LightComponent& lightComponent = light->GetComponent(); NodeComponent& lightNode = light->GetComponent(); - if (!lightComponent.IsShadowCastingEnabled() || lightComponent.GetLightType() == nzLightType_Directional) + if (!lightComponent.IsShadowCastingEnabled()) + continue; + + NzVector2ui shadowMapSize(lightComponent.GetShadowMap()->GetSize()); + + m_shadowRT.AttachTexture(nzAttachmentPoint_Depth, 0, lightComponent.GetShadowMap()); + NzRenderer::SetTarget(&m_shadowRT); + NzRenderer::SetViewport(NzRecti(0, 0, shadowMapSize.x, shadowMapSize.y)); + + NzAbstractRenderQueue* renderQueue = m_shadowTechnique.GetRenderQueue(); + renderQueue->Clear(); + + ///TODO: Culling + for (const Ndk::EntityHandle& drawable : m_drawables) + { + GraphicsComponent& graphicsComponent = drawable->GetComponent(); + NodeComponent& drawableNode = drawable->GetComponent(); + + graphicsComponent.AddToRenderQueue(renderQueue); + } + + ///TODO: Cache the matrices in the light? + NzRenderer::SetMatrix(nzMatrixType_Projection, NzMatrix4f::Ortho(0.f, 100.f, 100.f, 0.f, 1.f, 100.f)); + NzRenderer::SetMatrix(nzMatrixType_View, NzMatrix4f::ViewMatrix(lightNode.GetRotation() * NzVector3f::Forward() * 100.f, lightNode.GetRotation())); + + m_shadowTechnique.Draw(dummySceneData); + } + } + + void RenderSystem::UpdatePointSpotShadowMaps() + { + if (!m_shadowRT.IsValid()) + m_shadowRT.Create(); + + NzSceneData dummySceneData; + dummySceneData.ambientColor = NzColor(0, 0, 0); + dummySceneData.background = nullptr; + dummySceneData.viewer = nullptr; //< Depth technique doesn't require any viewer + + for (const Ndk::EntityHandle& light : m_pointSpotLights) + { + LightComponent& lightComponent = light->GetComponent(); + NodeComponent& lightNode = light->GetComponent(); + + if (!lightComponent.IsShadowCastingEnabled()) continue; NzVector2ui shadowMapSize(lightComponent.GetShadowMap()->GetSize()); switch (lightComponent.GetLightType()) { + case nzLightType_Directional: + NazaraInternalError("Directional lights included in point/spot light list"); + break; + case nzLightType_Point: { static NzQuaternionf rotations[6] = diff --git a/include/Nazara/Graphics/AbstractRenderQueue.hpp b/include/Nazara/Graphics/AbstractRenderQueue.hpp index f7e0ad79d..fceabf47f 100644 --- a/include/Nazara/Graphics/AbstractRenderQueue.hpp +++ b/include/Nazara/Graphics/AbstractRenderQueue.hpp @@ -59,7 +59,9 @@ class NAZARA_GRAPHICS_API NzAbstractRenderQueue struct DirectionalLight { NzColor color; + NzMatrix4f transformMatrix; NzVector3f direction; + NzTexture* shadowMap; float ambientFactor; float diffuseFactor; }; diff --git a/include/Nazara/Graphics/ForwardRenderTechnique.inl b/include/Nazara/Graphics/ForwardRenderTechnique.inl index 2e9f46dd4..a04fab511 100644 --- a/include/Nazara/Graphics/ForwardRenderTechnique.inl +++ b/include/Nazara/Graphics/ForwardRenderTechnique.inl @@ -25,6 +25,20 @@ inline void NzForwardRenderTechnique::SendLightUniforms(const NzShader* shader, shader->SendColor(uniforms.locations.color + uniformOffset, light.color); shader->SendVector(uniforms.locations.factors + uniformOffset, NzVector2f(light.ambientFactor, light.diffuseFactor)); shader->SendVector(uniforms.locations.parameters1 + uniformOffset, NzVector4f(light.direction)); + + shader->SendBoolean(uniforms.locations.shadowMapping + uniformOffset, light.shadowMap != nullptr); + if (light.shadowMap) + { + NzRenderer::SetTexture(availableTextureUnit, light.shadowMap); + NzRenderer::SetTextureSampler(availableTextureUnit, s_shadowSampler); + + shader->SendMatrix(uniforms.locations.lightViewProjMatrix + index, light.transformMatrix); + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, availableTextureUnit); + } + else + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, dummyTexture); + + shader->SendInteger(uniforms.locations.pointLightShadowMap + index, dummyCubemap); break; } @@ -48,7 +62,7 @@ inline void NzForwardRenderTechnique::SendLightUniforms(const NzShader* shader, else shader->SendInteger(uniforms.locations.pointLightShadowMap + index, dummyCubemap); - shader->SendInteger(uniforms.locations.spotLightShadowMap + index, dummyTexture); + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, dummyTexture); break; } @@ -69,10 +83,10 @@ inline void NzForwardRenderTechnique::SendLightUniforms(const NzShader* shader, NzRenderer::SetTextureSampler(availableTextureUnit, s_shadowSampler); shader->SendMatrix(uniforms.locations.lightViewProjMatrix + index, light.transformMatrix); - shader->SendInteger(uniforms.locations.spotLightShadowMap + index, availableTextureUnit); + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, availableTextureUnit); } else - shader->SendInteger(uniforms.locations.spotLightShadowMap + index, dummyTexture); + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, dummyTexture); shader->SendInteger(uniforms.locations.pointLightShadowMap + index, dummyCubemap); break; @@ -82,8 +96,8 @@ inline void NzForwardRenderTechnique::SendLightUniforms(const NzShader* shader, else { shader->SendInteger(uniforms.locations.type + uniformOffset, -1); //< Disable the light in the shader + shader->SendInteger(uniforms.locations.directionalSpotLightShadowMap + index, dummyTexture); shader->SendInteger(uniforms.locations.pointLightShadowMap + index, dummyCubemap); - shader->SendInteger(uniforms.locations.spotLightShadowMap + index, dummyTexture); } } diff --git a/include/Nazara/Graphics/Light.hpp b/include/Nazara/Graphics/Light.hpp index a8cdaf191..a9a4a781f 100644 --- a/include/Nazara/Graphics/Light.hpp +++ b/include/Nazara/Graphics/Light.hpp @@ -97,6 +97,7 @@ struct NzLightUniforms { int type; int color; + int directionalSpotLightShadowMap; int factors; int lightViewProjMatrix; int parameters1; @@ -104,7 +105,6 @@ struct NzLightUniforms int parameters3; int pointLightShadowMap; int shadowMapping; - int spotLightShadowMap; }; bool ubo; diff --git a/src/Nazara/Graphics/ForwardRenderTechnique.cpp b/src/Nazara/Graphics/ForwardRenderTechnique.cpp index b8611feaa..5c3b29bca 100644 --- a/src/Nazara/Graphics/ForwardRenderTechnique.cpp +++ b/src/Nazara/Graphics/ForwardRenderTechnique.cpp @@ -769,7 +769,7 @@ const NzForwardRenderTechnique::ShaderUniforms* NzForwardRenderTechnique::GetSha uniforms.lightUniforms.locations.parameters3 = shader->GetUniformLocation("Lights[0].parameters3"); uniforms.lightUniforms.locations.pointLightShadowMap = shader->GetUniformLocation("PointLightShadowMap[0]"); uniforms.lightUniforms.locations.shadowMapping = shader->GetUniformLocation("Lights[0].shadowMapping"); - uniforms.lightUniforms.locations.spotLightShadowMap = shader->GetUniformLocation("SpotLightShadowMap[0]"); + uniforms.lightUniforms.locations.directionalSpotLightShadowMap = shader->GetUniformLocation("DirectionalSpotLightShadowMap[0]"); } else uniforms.hasLightUniforms = false; diff --git a/src/Nazara/Graphics/Light.cpp b/src/Nazara/Graphics/Light.cpp index 4fc4506e7..43bbf9b0e 100644 --- a/src/Nazara/Graphics/Light.cpp +++ b/src/Nazara/Graphics/Light.cpp @@ -33,6 +33,11 @@ m_shadowMapUpdated(false) void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const NzMatrix4f& transformMatrix) const { + static NzMatrix4f biasMatrix(0.5f, 0.f, 0.f, 0.f, + 0.f, 0.5f, 0.f, 0.f, + 0.f, 0.f, 0.5f, 0.f, + 0.5f, 0.5f, 0.5f, 1.f); + switch (m_type) { case nzLightType_Directional: @@ -42,6 +47,8 @@ void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const NzMatri light.color = m_color; light.diffuseFactor = m_diffuseFactor; light.direction = transformMatrix.Transform(NzVector3f::Forward(), 0.f); + light.shadowMap = m_shadowMap.Get(); + light.transformMatrix = NzMatrix4f::ViewMatrix(transformMatrix.GetRotation() * NzVector3f::Forward() * 100.f, transformMatrix.GetRotation()) * NzMatrix4f::Ortho(0.f, 100.f, 100.f, 0.f, 1.f, 100.f) * biasMatrix; renderQueue->AddDirectionalLight(light); break; @@ -78,12 +85,6 @@ void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const NzMatri light.position = transformMatrix.GetTranslation(); light.radius = m_radius; light.shadowMap = m_shadowMap.Get(); - - static NzMatrix4f biasMatrix(0.5f, 0.f, 0.f, 0.f, - 0.f, 0.5f, 0.f, 0.f, - 0.f, 0.f, 0.5f, 0.f, - 0.5f, 0.5f, 0.5f, 1.f); - light.transformMatrix = NzMatrix4f::ViewMatrix(transformMatrix.GetTranslation(), transformMatrix.GetRotation()) * NzMatrix4f::Perspective(m_outerAngle*2.f, 1.f, 0.1f, m_radius) * biasMatrix; renderQueue->AddSpotLight(light); diff --git a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag index e80279b7d..6f4b1e3aa 100644 --- a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag +++ b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag @@ -36,7 +36,7 @@ struct Light // Lumières uniform Light Lights[3]; uniform samplerCube PointLightShadowMap[3]; -uniform sampler2D SpotLightShadowMap[3]; +uniform sampler2D DirectionalSpotLightShadowMap[3]; // Matériau uniform sampler2D MaterialAlphaMap; @@ -94,10 +94,10 @@ float VectorToDepthValue(vec3 vec, float zNear, float zFar) return (normZ + 1.0) * 0.5; } -bool TestShadowDirectional() +bool TestShadowDirectional(int lightIndex) { - ///TODO - return true; + vec4 lightSpacePos = vLightSpacePos[lightIndex]; + return texture(DirectionalSpotLightShadowMap[lightIndex], lightSpacePos.xy).x >= (lightSpacePos.z - 0.0005); } bool TestShadowPoint(int lightIndex, vec3 lightToWorld, float zNear, float zFar) @@ -108,7 +108,7 @@ bool TestShadowPoint(int lightIndex, vec3 lightToWorld, float zNear, float zFar) bool TestShadowSpot(int lightIndex) { vec4 lightSpacePos = vLightSpacePos[lightIndex]; - return textureProj(SpotLightShadowMap[lightIndex], lightSpacePos.xyw).x >= (lightSpacePos.z - 0.0005)/lightSpacePos.w; + return textureProj(DirectionalSpotLightShadowMap[lightIndex], lightSpacePos.xyw).x >= (lightSpacePos.z - 0.0005)/lightSpacePos.w; } void main() @@ -211,6 +211,11 @@ void main() // Ambient lightAmbient += lightColor.rgb * lightAmbientFactor * (MaterialAmbient.rgb + SceneAmbient.rgb); + #if SHADOW_MAPPING + if (Lights[i].shadowMapping && !TestShadowDirectional(i)) + break; + #endif + // Diffuse float lambert = max(dot(normal, lightDir), 0.0); diff --git a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag.h b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag.h index ca82b7284..d617f915b 100644 --- a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag.h +++ b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag.h @@ -1 +1 @@ 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\ No newline at end of file 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\ No newline at end of file