Deferred Shading - light buffer in shadow mapping Hello everyone. I need help with my problem. In my framebuffer (deffered shading) I have my light attachment, albeto, normal and also my shadow mapping. In my "finalshader" I combine everything, but it seems that the shadow is overlapping and "erasing" the light: this is my light attachment: and my shadow (is still raw, with no filters or smoothing): What do I need to do so that light overlaps the shadow, and not the shadow overlapping the light? My final shader to combine: //summed up uniforms uniform sampler2D DiffuseBuffer; uniform sampler2D LightBuffer; uniform sampler2D DepthBufferShadow; uniform mat4 View; uniform mat4 Proj; uniform mat4 World; uniform vec3 lightPos; uniform vec3 viewPos; uniform mat4 lightSpaceMatrix; //the shadow calcs float ShadowCalculation(vec4 fragPosLightSpace) { vec3 projCoords = fragPosLightSpace.xyz / fragPosLightSpace.w; projCoords = projCoords * 0.5 + 0.5; float closestDepth = texture(DepthBufferShadow, projCoords.xy).r; float currentDepth = projCoords.z; vec3 normal = normalize(texture2D(NormalBuffer, TexCoord).xyz); vec3 FragPos = texture(PositionBuffer, TexCoord).xyz; vec3 lightDir = normalize(lightPos - FragPos); float bias = max(0.05 * (1.0 - dot(normal, lightDir)), 0.005); float shadow = 0.0; vec2 texelSize = 1.0 / textureSize(DepthBufferShadow, 0); for(int x = -1; x <= 1; ++x) { for(int y = -1; y <= 1; ++y) { float pcfDepth = texture(DepthBufferShadow, projCoords.xy + vec2(x, y) * texelSize).r; shadow += currentDepth - bias > pcfDepth ? 1.0 : 0.0; } } shadow /= 9.0; if(projCoords.z > 1.0) shadow = 0.0; return shadow; } ///...................... //in main vec3 FragPos = texture(PositionBuffer, TexCoord).xyz; vec4 FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.0); float shadow = ShadowCalculation(FragPosLightSpace); FragColor = ((texture2D(DiffuseBuffer, TexCoord)*(vec4(vec3((1.0 - shadow)), 1.0)))) * texture2D(LightBuffer, TexCoord); Can someone help me ? thank https://ift.tt/eA8V8J

Hello everyone. I need help with my problem. In my framebuffer (deffered shading) I have my light attachment, albeto, normal and also my shadow mapping. In my "finalshader" I combine everything, but it seems that the shadow is overlapping and "erasing" the light: this is my light attachment: and my shadow (is still raw, with no filters or smoothing): What do I need to do so that light overlaps the shadow, and not the shadow overlapping the light? My final shader to combine: //summed up uniforms uniform sampler2D DiffuseBuffer; uniform sampler2D LightBuffer; uniform sampler2D DepthBufferShadow; uniform mat4 View; uniform mat4 Proj; uniform mat4 World; uniform vec3 lightPos; uniform vec3 viewPos; uniform mat4 lightSpaceMatrix; //the shadow calcs float ShadowCalculation(vec4 fragPosLightSpace) { vec3 projCoords = fragPosLightSpace.xyz / fragPosLightSpace.w; projCoords = projCoords * 0.5 + 0.5; float closestDepth = texture(DepthBufferShadow, projCoords.xy).r; float currentDepth = projCoords.z; vec3 normal = normalize(texture2D(NormalBuffer, TexCoord).xyz); vec3 FragPos = texture(PositionBuffer, TexCoord).xyz; vec3 lightDir = normalize(lightPos - FragPos); float bias = max(0.05 * (1.0 - dot(normal, lightDir)), 0.005); float shadow = 0.0; vec2 texelSize = 1.0 / textureSize(DepthBufferShadow, 0); for(int x = -1; x <= 1; ++x) { for(int y = -1; y <= 1; ++y) { float pcfDepth = texture(DepthBufferShadow, projCoords.xy + vec2(x, y) * texelSize).r; shadow += currentDepth - bias > pcfDepth ? 1.0 : 0.0; } } shadow /= 9.0; if(projCoords.z > 1.0) shadow = 0.0; return shadow; } ///...................... //in main vec3 FragPos = texture(PositionBuffer, TexCoord).xyz; vec4 FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.0); float shadow = ShadowCalculation(FragPosLightSpace); FragColor = ((texture2D(DiffuseBuffer, TexCoord)*(vec4(vec3((1.0 - shadow)), 1.0)))) * texture2D(LightBuffer, TexCoord); Can someone help me ? thank

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