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Help ,D3D renderstate influence

Started by luasitdown Jan 28, 2006 at 2:51 AM 3 replies 900+ views

Original Post

Jan 28, 2006 at 2:51 AM


	d->SetTexture(0, m_tex);
	d->SetTexture(1, m_detailTex1);
	d->SetTexture(2, m_alpha1);
	d->SetTexture(3, m_detailTex2);
	d->SetTexture(4, m_alpha2);
	


	d->SetSamplerState(1, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP);
	d->SetSamplerState(1, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);

	d->SetSamplerState(1, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(1, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(1, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);


	d->SetSamplerState(2, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(2, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(2, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);


	d->SetSamplerState(3, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(3, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(3, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);

	d->SetSamplerState(4, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(4, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	d->SetSamplerState(4, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);


	//base pic
	d->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
	d->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
	d->SetTextureStageState(0, D3DTSS_RESULTARG, D3DTA_TEMP);

	// detail pic1
	d->SetTextureStageState(1, D3DTSS_COLORARG1, D3DTA_TEXTURE);
	d->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
	//	first alpha
	d->SetTextureStageState(2, D3DTSS_COLOROP, D3DTOP_BLENDTEXTUREALPHA);
	d->SetTextureStageState(2, D3DTSS_COLORARG1, D3DTA_CURRENT);
	d->SetTextureStageState(2, D3DTSS_COLORARG2, D3DTA_TEMP);
	d->SetTextureStageState(2, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
	d->SetTextureStageState(2, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);

I set multitexturing for terrain. and finish do terrain rendering.I do


		d->SetTexture(0, 0);
		d->SetTexture(1, 0);
		d->SetTexture(2, 0);			
		d->SetTexture(4, 0);
		d->SetTexture(3, 0);

		d->SetTextureStageState(0, D3DTSS_RESULTARG, D3DTA_CURRENT);

		d->SetTextureStageState(4, D3DTSS_COLOROP, D3DTOP_DISABLE);
		d->SetTextureStageState(4, D3DTSS_COLORARG1, 0);
		d->SetTextureStageState(4, D3DTSS_COLORARG2, 0);
		d->SetTextureStageState(4, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
		d->SetTextureStageState(4, D3DTSS_ALPHAARG1, 0);

		d->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
		d->SetTextureStageState(1, D3DTSS_COLORARG1, 0);
		d->SetTextureStageState(1, D3DTSS_COLORARG2, 0);
		d->SetTextureStageState(1, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
		d->SetTextureStageState(1, D3DTSS_ALPHAARG1, 0);

		d->SetTextureStageState(2, D3DTSS_COLOROP, D3DTOP_DISABLE);
		d->SetTextureStageState(2, D3DTSS_COLORARG1, 0);
		d->SetTextureStageState(2, D3DTSS_COLORARG2, 0);
		d->SetTextureStageState(2, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
		d->SetTextureStageState(2, D3DTSS_ALPHAARG1, 0);

		d->SetTextureStageState(3, D3DTSS_COLOROP, D3DTOP_DISABLE);
		d->SetTextureStageState(3, D3DTSS_COLORARG1, 0);
		d->SetTextureStageState(3, D3DTSS_COLORARG2, 0);
		d->SetTextureStageState(3, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
		d->SetTextureStageState(3, D3DTSS_ALPHAARG1, 0);

but the render state of terain still influence other rendering, make the curious happen. for example, the light is available to some entity,but disable to else entity but I do not set render state of terrain. all is ok. how to do?

luasitdown

Author

luasitdown

Jan 28, 2006 at 4:52 AM

d->SetTextureStageState(2, D3DTSS_COLORARG1, D3DTA_CURRENT);
d->SetTextureStageState(2, D3DTSS_COLORARG2, D3DTA_TEMP);
d->SetTextureStageState(2, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
d->SetTextureStageState(2, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
I mean how to disable texturestagestate as disable texture d->setTexture(0,0);

luasitdown

Author

luasitdown

Jan 28, 2006 at 5:23 AM

by my debugging, I found problem is setTextureStageState will disable the light

is it true?

jollyjeffers

245

jollyjeffers

Jan 28, 2006 at 5:40 AM

How do you mean "disable the light" - you mean your fixed function D3DLIGHT9-based lighting, or something using vertex/pixel shaders?

Setting D3DTOP_DISABLE on the first unused state should be sufficient for disabling the multitexturing. Are you definitely sure this code is being called? I've had silly bugs before where it can sometimes (e.g. with an error) skip over the "clean up" code and leave the device in an unknown state.

Maybe posting a couple of screenshots of the after effects - what you are getting, and (if possible) what you want to be getting.

hth
Jack

luasitdown

Author

luasitdown

Jan 28, 2006 at 7:45 AM

Quote:
Original post by jollyjeffers
How do you mean "disable the light" - you mean your fixed function D3DLIGHT9-based lighting, or something using vertex/pixel shaders?

Setting D3DTOP_DISABLE on the first unused state should be sufficient for disabling the multitexturing. Are you definitely sure this code is being called? I've had silly bugs before where it can sometimes (e.g. with an error) skip over the "clean up" code and leave the device in an unknown state.

Maybe posting a couple of screenshots of the after effects - what you are getting, and (if possible) what you want to be getting.

hth
Jack

Sovled:

look

d->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
d->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
d->SetTextureStageState(0, D3DTSS_RESULTARG, D3DTA_TEMP);

this alter the state , so it must be restore to default.

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