All Questions
Tagged with post-processing fragment-shader
5 questions
13
votes
1
answer
4k
views
How to do color post processing in WebGL, when you can not read the color of the current pixel?
In a WebGL 2 GLSL fragment shader, one can not access the pre-existing color value of the current pixel, i.e. the color that is already there in the framebuffer before the pixel that is currently ...
0
votes
1
answer
135
views
Relocate texture regions with pixel shader
I'm new to DirectX and pixel shader development. I want to know how to relocate region of input image in post processing.
What I want to achieve is to divide my image into 4 pieces and then relocate ...
-1
votes
1
answer
200
views
Post Processing without using FBOs?
Recently, I've been making a 3D game (hint my questions), and I recently have modified a pixelization shader from a unity shader graph tutorial. The thing is, I want to render the shader on the WHOLE ...
3
votes
1
answer
15k
views
Pixelation shader explanation?
I was looking for a pixelation shader for my postprocessing and came across this shader snippet - Works pretty well! - Not a whole lot of explanations on how it works except for "Pixelation is process ...
3
votes
2
answers
5k
views
Fast fullscreen quad rendering in Direct3D 11?
For the last few weeks, I've been trying to port a DX9 implementation of HDR rendering (tone mapping, bloom, stars, etc.) over to DX11. I believe I've got all features working but I'm not getting good ...