Directx 11 Texture mapping

Question

I've looked for this and I am so sure it can be done.

Does anyone know how I can stop a texture being stretched over an oversized facet?

I remember in some game designs you would have the option of either stretching the image over the object or running a repeat.

EDIT: Okay, so I have used pixel coordinates and the issue still remains. The vertices are fine. What I am trying to do is load a bitmap and keep the size the same regardless of what the resolution is, or the size of the image. I want the image to only use 20x20 physical pixels.

I hope that makes sense because I don't think my previous explaination did.

Texture2D Texture;

SamplerState SampleType
{
    Filter = TEXT_1BIT;
//    AddressU = Clamp;
//    AddressV = Clamp;
};

struct Vertex
{
    float4 position : POSITION;
    float2 tex : TEXCOORD0;
};

struct Pixel
{
    float4 position : SV_POSITION;
    float2 tex : TEXCOORD0;
};

Pixel FontVertexShader(Vertex input)
{
    return input;
}

float4 FPS(Pixel input) : SV_Target
{
    return Texture.Sample(SampleType, input.tex);
}

...

Stretching depends on Texture Coordinate you use in the sampling of the Pixel Shader. Could you give the code of your pixel shader? — Cédric Bignon
The texture address mode (repeating, mirroring, wrapping, clamping) depends on the D3D11_TEXTURE_ADDRESS_MODE you set for the Texture Sampler (created with the parameter D3D11_SAMPLER_DESC). — Cédric Bignon
That looks horrible so I've posted it as an answer below. The texture is displayed fine until the Window is resized is what I have found. I know I am mapping the textures to a 2x2 block. (-1.0f to 1.0f) and so they are resized when the window is. Ideally I want the textures I am printing to always be the same size unless I want them to change. I just don't know how to do this or if it is possible. — user2600628
Then you must resize swap chain when user resizing window. This has nothing with texture sampling. msdn.microsoft.com/en-us/library/windows/desktop/… And by rules of StackOverflow it is better to edit your post to add code than add new answer. — Ivan Aksamentov - Drop
Done. Thankyou that will help but that doesn't change the original question. Textures are slightly squashed - even in the original window. I want to know if there is a way of displaying every pixel in a texture? (I am using a 2D environment with depth turned off.) — user2600628

user2600628 user2600628 · Accepted Answer · 2013-07-23T02:54:53

The answer is in hwnd = CreateWindow(...);

Using WS_POPUP meant I removed the borders and my texture was able to map itself correctly.

You need to use GetClientRect();

Thankyou to everyone for your help. :)

Directx 11 Texture mapping

1 Answers