GPU/Internal Registers: Difference between revisions
Emufan4568 (talk | contribs) m Document previous usage in the first TEV stage |
No edit summary |
||
| (4 intermediate revisions by one other user not shown) | |||
| Line 4,161: | Line 4,161: | ||
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: | ||
| Line 5,252: | Line 5,254: | ||
|} | |} | ||
Using | Using Previous (15) as a source in the first TEV stage returns the value of source 3. If source 3 has Previous it returns zero. Previous buffer (13) always returns zero. | ||
=== GPUREG_TEXENV''i''_OPERAND === | === GPUREG_TEXENV''i''_OPERAND === | ||
| Line 6,330: | Line 6,332: | ||
|- | |- | ||
| 24 | | 24 | ||
| | | unsigned, Vertical flip? (0 = enable, 1 = disable) | ||
|} | |} | ||
| Line 7,729: | Line 7,731: | ||
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 === | ||