The name for a class of rendering technique where geometry and material properties are explicitly separated from the lighting computations. This is done by rendering the material properties of various objects into several buffers, and then using passes over those "g-buffers" to do lighting ...

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7
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0answers
477 views

Variance shadow maps don't want to render properly

I've implemented VSM (and also ESM) in my engine but results are for me not as I expected and saw in many examples published on network. I set filtering of shadow maps to GL_LINEAR but when I compare ...
3
votes
0answers
119 views

Shadow mapping - Can't get the right texture coordinates

I'm trying to implement shadow maps for Spotlight's, but alas I can't get them to work. I have verified that my fragment shader is getting the shadow map texture. I can sample from it in the ...
1
vote
0answers
16 views

Deferred rendering - reconstruction of world position view dependent

I am moving my small renderer from forward to deferred, I have now noticed something a bit odd. I am for now using a simple way to reconstruct world position in the lighting pass: float3 ...
1
vote
0answers
131 views

OpenGL (lwjgl) Frame Buffer Object GL_COLOR_ATTACHMENT Not Being Written To

I am currently developing a deferred renderer for my game engine and I have to output multiple textures from my shader to my GBuffer. I have been struggling with getting multiple outputs from the ...
1
vote
0answers
129 views

Smooth seams and banding of overlapping lights in deferred rendering

I have finally managed to get on screen multiple lights with a deferred renderer, but the result is somehow disappointing. In particular I have severe banding problem Other than having clear ...
1
vote
0answers
235 views

Deferred Rendering: Orthographic directional light that has position

Basically I need to code a light for deferred rendering that is a cross between a spotlight and a directional (positionless) light. It's to be used for sunlight, but because my terrain has overhangs ...
1
vote
0answers
210 views

Batching Homogeneous Render Objects in XNA, 2D Component-Entity Engine?

I've been working on my component-entity engine for about 3 months now, and have managed to get nearly every constituent system working with little effort or compromise. My system has the following ...
0
votes
0answers
347 views

How to draw a screen aligned quad by command buffer in Unity deferred rendering

I want to draw a screen aligned quad by a command buffer, and add it at CameraEvent.BeforeLighting. I create a quad mesh in code, and I'm sure the mesh is right, because it works if the command ...
0
votes
0answers
97 views

Unity forward render path creating pixel lines between meshes

I have a bit of a problem where my meshes are either unsmooth because I'm using deferred rendering path or they are smooth using forward rendering path but it creates this weird pixel line between the ...
0
votes
0answers
36 views

How to upload lights when doing one pass per light

Suppose I have a reasonable amount of light sources that I upload at once in my forward rendering and accumulate them in shader. Now that I am willing to move to deferred, and so one pass per light, ...