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compiler: Add helper for counting tess level components.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28371>
This commit is contained in:
Timur Kristóf 2024-03-25 13:31:44 +01:00 • committed by Marge Bot
parent 74a1564aed
commit 02f6a2591c
1 changed files with 22 additions and 1 deletions
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23
src/compiler/shader_enums.h
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@ -1174,6 +1174,27 @@ enum tess_primitive_mode
TESS_PRIMITIVE_ISOLINES,
};
static inline void
mesa_count_tess_level_components(const enum tess_primitive_mode mode,
unsigned *outer, unsigned *inner)
{
switch (mode) {
case TESS_PRIMITIVE_ISOLINES:
*outer = 2;
*inner = 0;
break;
case TESS_PRIMITIVE_TRIANGLES:
*outer = 3;
*inner = 1;
break;
case TESS_PRIMITIVE_QUADS:
default:
*outer = 4;
*inner = 2;
break;
}
}
/**
* Mesa primitive types for both GL and Vulkan:
*/
@ -1245,7 +1266,7 @@ mesa_vertices_per_prim(enum mesa_prim prim)
* vertex count.
* Parts of the pipline are invoked once for each triangle in
* triangle strip, triangle fans and triangles and once
* for each line in line strip, line loop, lines. Also
* for each line in line strip, line loop, lines. Also
* statistics depend on knowing the exact number of decomposed
* primitives for a set of vertices.
*/