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zink: add a get_spacing-helper

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Similarly to the previous commit, this makes the code a bit easier to
read.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8832>
This commit is contained in:
Erik Faye-Lund 2021-02-02 12:59:01 +01:00 • committed by Marge Bot
parent e240221d15
commit 06e421fe5c
1 changed files with 17 additions and 13 deletions
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30
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View file

@ -3311,6 +3311,21 @@ get_primitive_mode(uint16_t primitive_mode)
}
}
static SpvExecutionMode
get_spacing(enum gl_tess_spacing spacing)
{
switch (spacing) {
case TESS_SPACING_EQUAL:
return SpvExecutionModeSpacingEqual;
case TESS_SPACING_FRACTIONAL_ODD:
return SpvExecutionModeSpacingFractionalOdd;
case TESS_SPACING_FRACTIONAL_EVEN:
return SpvExecutionModeSpacingFractionalEven;
default:
unreachable("unknown tess spacing!");
}
}
struct spirv_shader *
nir_to_spirv(struct nir_shader *s, const struct zink_so_info *so_info,
unsigned char *shader_slot_map, unsigned char *shader_slots_reserved)
@ -3473,19 +3488,8 @@ nir_to_spirv(struct nir_shader *s, const struct zink_so_info *so_info,
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeVertexOrderCcw);
else
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeVertexOrderCw);
switch (s->info.tess.spacing) {
case TESS_SPACING_EQUAL:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeSpacingEqual);
break;
case TESS_SPACING_FRACTIONAL_ODD:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeSpacingFractionalOdd);
break;
case TESS_SPACING_FRACTIONAL_EVEN:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeSpacingFractionalEven);
break;
default:
unreachable("unknown tess spacing!");
}
spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
get_spacing(s->info.tess.spacing));
if (s->info.tess.point_mode)
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModePointMode);
break;