The blur tag has no wiki summary.
6
votes
1answer
6k views
GLSL - one-pass gaussian blur
It is possible to implement fragment shader to do one-pass gaussian blur?
I have found lot of implementation of two-pass blur (gaussian and box blur):
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3
votes
2answers
367 views
Sprites are sometimes blurry in Flash
I am playing around with drawing an SVG sprite (imported in through [Embed]). Depending on the coordinates of the image, sometimes it appears more crisp than others.
The following image shows how at ...
3
votes
1answer
590 views
Motion blur is blurring static stuff
I made a motion blur using OpenGL immediate mode, basically it involves saving screen to texture, then rendering blended texture back (let's skip the details) with something like this:
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3
votes
1answer
900 views
How to make a gaussian blur effect in UDK
I want to make a plane shape (surface) that have a gaussian blur applied to it and this plane is transperant, so all objects behind it looks like they are having a gaussian blur effect.
2
votes
2answers
363 views
how to keep a GUI on-screen without moving or resizing it according to camera movement
Hey i'm trying to make a GUI lib with SFML, and everything's done except one problem: Making the Interface stay still even when the camera moves or zooms in/out.
This would be easy to fix if zooming ...
2
votes
2answers
612 views
Optimizing gaussian blur with linear filtering
There's a few (here, and here) gaussian blur tutorials out there suggesting that you can essentially cut the number of texture lookups in a gaussian blur shader in half by exploiting the GPU's ...
2
votes
2answers
316 views
2D Selective Gaussian Blur
I am attempting to use Gaussian blur on a 2D platform game, selectively blurring specific types of platforms with different amounts. I am currently just messing around with simple test code, trying to ...
2
votes
1answer
245 views
Bluring behind something then drawing text?
I want to basically make a blur shader in glsl and use it like Windows 7 does for Windows. I want to for example draw something and then blur a rectangle, then draw text over it.
If someone could ...
2
votes
1answer
203 views
Gaussian blur filter and “shimmering”
I have a fairly bog-standard Gaussian blur filter (seperable) I'm using to make a glow effect in my pipeline. At the moment I'm rendering it only to 256x256 texture and then doing a very simple ...
1
vote
1answer
114 views
Blur offset artifacts
I have simple blur shader which I calculate offsets in:
Piece of vertex shader:
output.texCoord1 = input.tex + float2( texelSize * -4.0f, 0.0f );
output.texCoord12 = input.tex + float2( texelSize * ...
1
vote
1answer
154 views
Blur gets displaced compared to original image
I have implemented a SSAO and I'm using a blur step to smooth it out. The problem is that the blurred texture is slightly displaced compared to the original. I'm blurring using a 4x4 kernel since that ...
1
vote
2answers
201 views
GLSL Motion blur on mobile.. possible at acceptable framerates?
I have been struggling to implement a simple linear motion blur effect on mobile (Android, OpenGLES 2.0) but it just seems to destroy my framerate.
I'm rendering to texture (FBO) then applying a ...
1
vote
1answer
152 views
What weight should each frame have in motion blur?
I am working on a game and would like to add motion blur to videos that I export from the engine. Right now, I play back gameplay at 1/16th the original speed, giving me 16x more frames (e.g. instead ...
0
votes
0answers
758 views
XNA Gaussian blur on SlimDX
I am trying to implement the bloom effect, available in XNA http://create.msdn.com/en-US/education/catalog/sample/bloom, but with SlimDX and directX9.
My problems begin with the gaussian blur, ...
