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| | | |
| These registers map components of the corresponding vertex shader output register to specific fixed-function semantics. | | These registers map components of the corresponding vertex shader output register to specific fixed-function semantics. |
| + | |
| + | Semantics that have not been mapped to a component of an output register have a value of 1 |
| | | |
| Semantic values: | | Semantic values: |
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| | Previous | | | Previous |
| |} | | |} |
| + | |
| + | Using previous source in the first TEV stage returns the primary color, while previous buffer returns zero. |
| | | |
| === GPUREG_TEXENV''i''_OPERAND === | | === GPUREG_TEXENV''i''_OPERAND === |
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| | unsigned, Fresnel FR LUT disabled (0 = enabled, 1 = disabled) | | | unsigned, Fresnel FR LUT disabled (0 = enabled, 1 = disabled) |
| |- | | |- |
− | | 20-22 | + | | 20 |
− | | unsigned, Term 1 reflection component RB LUT disabled (0 = enabled, 7 = disabled) | + | | unsigned, Term 1 reflection component RB LUT disabled (0 = enabled, 1 = disabled) |
| |- | | |- |
| | 21 | | | 21 |
− | | unsigned, Term 1 reflection component RG LUT disabled (0 = enabled, 7 = disabled) | + | | unsigned, Term 1 reflection component RG LUT disabled (0 = enabled, 1 = disabled) |
| |- | | |- |
| | 22 | | | 22 |
− | | unsigned, Term 1 reflection component RR LUT disabled (0 = enabled, 7 = disabled) | + | | unsigned, Term 1 reflection component RR LUT disabled (0 = enabled, 1 = disabled) |
| |- | | |- |
| | 24 | | | 24 |
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| | | |
| This register sets whether to use the geometry shader configuration or reuse the vertex shader configuration for the geometry shader shading unit. | | This register sets whether to use the geometry shader configuration or reuse the vertex shader configuration for the geometry shader shading unit. |
| + | When disabled and the geometry unit is not in use, as configured by GPUREG_GEOSTAGE_CONFIG, uniforms, outmap mask, program code and swizzle data are propagated to the geometry shader unit. |
| | | |
| === GPUREG_START_DRAW_FUNC0 === | | === GPUREG_START_DRAW_FUNC0 === |