tg-emboss

Description

tg-emboss shows a simple emboss-style bump mapping (without material texture in this test).

This sample demo generates an image in a single pass with 2 TEV stages. If you use material texture, 3 tev stages are necessary.

For Real hardware

Functions	Parameters	Description
GXSetVtxDesc	Attributes	GX_VA_NBT / GX_VA_TEX0
GXSetVtxDesc	Types	GX_DIRECT
GXSetTexCoordGen	destination coord	GX_TEXCOORD0	GX_TEXCOORD1
	texgen type	GX_TG_MTX2x4	GX_TG_BUMP0
	texgen src	GX_TG_TEX0	GX_TG_TEXCOORD0
	mtx src	GX_IDENTITY	GX_IDENTITY
GXSetTevOrder	tev stage	GX_TEVSTAGE0	GX_TEVSTAGE1
	texgen type	GX_TEXCOORD0	GX_TEXCOORD1
	texgen src	GX_TEXMAP0	GX_TEXMAP1
	mtx src	GX_COLOR0A0	GX_COLOR_NULL
`GXSetTevColor`	tev register ID	GX_TEVREG0
`GXSetTevColor`	tev register color	{ 0, 0, 0, bumpScale } bumpScale can be changed interactively
GXSetTevColorIn	tev stage	GX_TEVSTAGE0	GX_TEVSTAGE1
	tev color arg A	GX_CC_ZERO	GX_CC_ZERO
	tev color arg B	GX_TC_TEXC	GX_TC_TEXC
	tev color arg C	GX_CC_A0	GX_CC_A0
	tev color arg D	GX_CC_RASC	GX_CC_CPREV
`GXSetTevColorOp`	tev stage	GX_TEVSTAGE0	GX_TEVSTAGE1
	TEV operation	GX_TEV_ADD	GX_TEV_SUB
	tev bias	GX_TB_ZERO	GX_TB_ZERO
	tev scale	GX_CS_SCALE_1	GX_CS_SCALE_1
	tev clamp	GX_ENABLE	GX_ENABLE
	tev output	GX_TEVPREV	GX_TEVPREV
`GXSetTevAlphaIn`	tev stage	GX_TEVSTAGE0	GX_TEVSTAGE1
	tev alpha arg A	GX_CC_ZERO	GX_CC_ZERO
	tev alpha arg B	GX_CC_ZERO	GX_CC_ZERO
	tev alpha arg C	GX_CC_ZERO	GX_CC_ZERO
	tev alpha arg D	GX_CC_ZERO	GX_CC_ZERO
`GXSetTevAlphaOp`	tev stage	GX_TEVSTAGE0	GX_TEVSTAGE1
	TEV operation	GX_TEV_ADD	GX_TEV_ADD
	tev bias	GX_TB_ZERO	GX_TB_ZERO
	tev scale	GX_CS_SCALE_1	GX_CS_SCALE_1
	tev clamp	GX_DISABLE	GX_DISABLE
	tev output	GX_TEVPREV	GX_TEVPREV
GXDrawCube	void	Generate binormal / texture coord 0 also