The 3D perspective does not work

[Adisexe]

Hello, I have problem... I would like to make a 3D perspective… The 3D perspective works, but instead of my picture, a white square appears

That's how it looks:

And the picture that should load, looks like this:

 

debugscript is clean

My code looks like this:

local sx, sy = guiGetScreenSize()
local zoom = sx < 1920 and math.min(2, 1920/sx) or 1
local register_window = dxCreateTexture("images/register_window.png", "argb", true, "clamp")
local ox,oy = 0,0 
local mx,my = 5,5 
local rt = dxCreateRenderTarget(sx,sy,true)
local shader = dxCreateShader("shaders/texture3d.fx")

function updateRotation()
	dxSetRenderTarget(rt, true)
	dxDrawImage(sx/2 - 396.5/zoom, sy/2 - 200/zoom, 793/zoom, 661/zoom, register_window)
	dxSetRenderTarget()
	dxSetShaderValue(shader,"texture",rt) 
	local px,py = getCursorPosition()
	ox,oy = (px-0.5)*mx,(py-0.5)*my 
	dxSetShaderTransform(shader,ox,oy)
	dxDrawImage(sx/2 - 396.5/zoom, sy/2 - 200/zoom, 793/zoom, 661/zoom, shader)
end
addEventHandler("onClientRender", root, updateRotation)

Help me please :C 

[Pirulax]

Well, the problem is probably with the shader.
Could you post that as well?

Edited January 28, 2019 by Pirulax

[WorthlessCynomys]

To render an image in 3D I would use a render target, draw on It with dxDrawImage and I would use that renderTarget as the texture in dxDrawMaterialLine3D. 

[Pirulax]

Why'd you use a render target when you could just simply pass the texture that you draw with dxDrawImage anyways?
Btw, if you just want to render a "3D" image to the screen it's enough to use dxSetShaderTransform.

[Adisexe]

It's working now… It was enough to change:

with "texture" on "sPicTexture" (in dxSetShaderValue)

and draw the image on the entire screen

 

Edited February 2, 2019 by Adisexe