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3
votes
1answer
150 views

Using textureGrad for anisotropic integration approximation

I'm trying to develop a real time rendering method using real time acquired envmap (cubemap) for lightning. This implies that my envmap can change as often as every frame and I therefore cannot use ...
1
vote
1answer
115 views

Is there any way to change texture filtering globally in Direct3D 11?

One of the major changes I have encountered between Direct3D 9 and Direct3D 11 is the new API for setting up texture sampling. In D3D9, it was sufficient to simply set a given value of a given ...
0
votes
0answers
97 views

Bilinear filter in repeating texture, HLSL

I have a repeating texture that I'm using as a scroll surface. The idea is that as I pan the surface I adjust the texture coordinates, filling in what gets wrapped on the right as it disappears from ...
3
votes
1answer
77 views

Is point texture filtering the same as nearest?

Is point texture filtering the same as nearest (different names for the same technique)?
-1
votes
1answer
218 views

OpenGL: How to map textures to geometry without using filter parameters

following my another question I have studied in the documentations that I should use this procedure : Define the texture filter parameters. This will control what happens when a texture is scaled ...
4
votes
2answers
488 views

OpenGL: Filtering/antialising textures in a 2D game

I'm working on a 2D game using OpenGL 1.5 that uses rather large textures. I'm seeing aliasing effects and am wondering how to tackle those. I'm finding lots of material about antialiasing in 3D ...
0
votes
0answers
275 views

XNA Disable Mip-Mapping for good

I'm trying to render a plane mesh textured with a simple grid pattern, problem is, xna keeps mip-mapping the texture in horrible, horrible ways. What i'm trying to achieve is to get this grid to look ...
2
votes
2answers
152 views

How to apply a filter to the screen of a running program?

The idea is to take old games without modifying them, but have the graphics card apply a series of filters to their output before sending them to the monitor. A very crude example would be to take a ...
9
votes
1answer
164 views

What would be a good filter to create 'magnetic deformers' from a depth map?

In my project, I am creating a system for deforming a highly detailed mesh (clothing) so that it 'fits' a convex mesh. To do this I use depth maps of the item and the 'hull' to determine at what point ...
3
votes
3answers
383 views

Collision filtering techniques

I was wondering what efficient techniques are out there for mapping collision filtering between various bodies, sub-bodies, and so forth. I'm working on a physics engine and I need ways for a user to ...
2
votes
3answers
545 views

In XNA 3.1, is it possible to disable texture filtering?

I want to disable texture filtering (since I'm making a retro-style game where it looks bad if a texture gets filtered like that), but since I'm on XNA 3.1 there seems to be no option to set a ...