Tagged Questions

13
votes
6answers
2k views

Modern Shader Book?

I'm interested in learning about Shaders: What are they, when/for what would I use them, and how to use them. (Specifically I'm interested in Water and Bloom effects, but I know close to 0 about ...
14
votes
1answer
2k views

The practical cost of swapping effects

I use XNA for my projects and on those forums I sometimes see references to the fact that swapping an effect for a mesh has a relatively high cost, which surprises me as I thought to swap an effect ...
18
votes
3answers
4k views

For voxel rendering, what is more efficient: pre-made VBO or a geometry shader?

Given a fairly static voxel array, what is more efficient: using the CPU to pre-generate a VBO to render the voxel faces (ignoring more advanced forms of rendering like marching cubes for now) or ...
9
votes
3answers
799 views

Fastest way to render lines with AA, varying thickness in DirectX

So I'm doing some DirectX development, using SharpDX under .NET to be exact (but DirectX/C++ API solutions are applicable). I'm looking for the fastest way to render lines in an orthogonal projection ...
0
votes
2answers
198 views

How can I capture every frame in DirectX 9 using a shader

This is actually a follow up to this question How to capture the screen in DirectX 9 to a raw bitmap in memory without using D3DXSaveSurfaceToFile The proponent of the best solution suggested that I ...