HLSL is a proprietary shading language developed by Microsoft for use with the Microsoft Direct3D API.
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2answers
475 views
how to make HLSL effect just for lighning without texture mapping?
I'm new to XNA, i created an effect and just want to use lightning but in default effect that XNA create we should do texture mapping or the model appears 'RED', because of this lines of code in the ...
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1answer
400 views
how to modify shadow mapping in “3D Graphics with XNA Game Studio 4.0”?
So I've been following the tutorials from the book Sean James's "3D Graphics with XNA Game Studio 4.0", and have been doing fine until i reached the shadow mapping part.
in this book it creates point ...
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0answers
66 views
Custom sampling points for anti-aliasing
I'm trying to write an anti-aliasing shader in HLSL, but I can't find any way to rasterize at a custom point. (in between pixels on the screen, but not orderly like supersampling)
Is there any way to ...
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0answers
99 views
Combining Effects
To be able to work efficiently with effects, isn't there a "good" way to combine multiple effects so that one effect handles stuff like "Multi texturing" and another controls the value like Ambient ...
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0answers
1k views
Why is my deferred lighting implementation so expensive?
I've implemented deferred lighting and I tried to put about 20-26 lights on the viewable space of my map, and it brings down the FPS from 61 to 28-31. It also makes my VGA temperature to go from 68°C ...
2
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0answers
372 views
3D Studio Max Models and Shaders to XNA
I am looking for a way to import my 3D models, including materials and shaders to from 3D Studio Max to XNA.
For example, if I have a model, with diffuse, bump, reflection textures and values (in ...
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0answers
107 views
How to achieve supersampling / anti-aliasing in pixel shaders?
I am trying to write a couple pixel shaders to apply to images similar to Photoshop effects. For example this effect: ...
1
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0answers
190 views
How to simulate objects floating on water without a physics engine?
In my game the water movement is done in a shader using Gerstner equations. The water movement looks realistic enough for a school project but I encounter serious problem when I wanted to do sailing ...
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0answers
275 views
Need help transforming DirectX 9 skybox hlsl shader to DirectX 11
I am in the middle of implementing a skybox to my game. I have been following this tutorial http://rbwhitaker.wikidot.com/skyboxes-2. I am using MonoGame as a framework and in order to support both ...
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0answers
171 views
Outline Shader Effect for Orthogonal Geometry in XNA
I just recently started learning the art of shading, but I can't give an outline width to 2D, concave geometry when restrained to a single vertex/pixel shader technique (thanks to XNA).
the shape I ...
1
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0answers
198 views
Full screen shader causes performance hit
I basically want to have a shader run that can do something like toon shading, or grayscale the whole screen, or radial lighting.
To do this, I create a new bitmap each time the display resizes that ...
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0answers
254 views
XNA HLSL: Skinned Model Deforming Wrong
I am creating a basic XNA recreation of Minecraft. My current problem is that my "Steve" model, which is skinned with an armature using vertex groups to deform, is showing up disfigured beyond all ...
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0answers
462 views
How can I run the pixel shader effect?
Stated below is the code for my pixel shader which I am rendering after the vertex shader.
I have set the wordViewProjection matrix in my program but I don't know to set the progress variable i.e in ...
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0answers
100 views
HLSL Triplanar texturing and multi texturing performance
I'm stuck for my terrain rendering shader code for DX9. I'm looking to implement triplanar texturing, a texture atlas, and blending between different textures. Right now it's working. The problem is ...
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0answers
39 views
Cascaded Shadow Maps left handed to right handed coord system
Im trying to port the Directx SDK (june 2010) sample (CascadedShadowMaps11) into a right handed version (to later implement in my engine) but i can't figure out the math, so far i got it partially ...
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0answers
96 views
How to efficiently render resizable GUI elements in DirectX?
I wonder what would be most efficient way to render the GUI elements.
When we're talking about constant-size elements (that can still be moving), the textures' atlas seems to be good.
But what with ...
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0answers
165 views
What's a good way to organize samplers for HLSL?
According to MSDN, I can have 4096 samplers per context. That's a lot, considering there's only a handful of common sampler states.
That tempts me to initialize an array containing a whole bunch of ...
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0answers
139 views
Porting simple FFP bumpmapping to HLSL
I'm trying to port some antiquated D3D8 Dot3 bumpmapping code from fixed function calls to an HLSL shader. The original code looks like the following:
dev->SetTextureStageState (0, D3DTSS_COLOROP, ...
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0answers
49 views
XNA/HLSL cone shape 2D light
I'm new to HLSL and I'm trying to create a simple light for my 2D game. I made a point light and it looks great. However now I'm trying to create a cone shape light but I just don't know how. can ...
