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zink: add a get_primitive_mode-helper

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This just makes the code a bit easier to read, where the details are
hidden slightly.

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 12:54:32 +01:00 • committed by Marge Bot
parent 701ade314f
commit e240221d15
1 changed files with 14 additions and 13 deletions
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27
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
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@ -3299,6 +3299,18 @@ get_depth_layout_mode(enum gl_frag_depth_layout depth_layout)
}
}
static SpvExecutionMode
get_primitive_mode(uint16_t primitive_mode)
{
switch (primitive_mode) {
case GL_TRIANGLES: return SpvExecutionModeTriangles;
case GL_QUADS: return SpvExecutionModeQuads;
case GL_ISOLINES: return SpvExecutionModeIsolines;
default:
unreachable("unknown tess prim type!");
}
}
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)
@ -3455,19 +3467,8 @@ nir_to_spirv(struct nir_shader *s, const struct zink_so_info *so_info,
spirv_builder_emit_exec_mode_literal(&ctx.builder, entry_point, SpvExecutionModeOutputVertices, s->info.tess.tcs_vertices_out);
break;
case MESA_SHADER_TESS_EVAL:
switch (s->info.tess.primitive_mode) {
case GL_TRIANGLES:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeTriangles);
break;
case GL_QUADS:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeQuads);
break;
case GL_ISOLINES:
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeIsolines);
break;
default:
unreachable("unknown tess prim type!");
}
spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
get_primitive_mode(s->info.tess.primitive_mode));
if (s->info.tess.ccw)
spirv_builder_emit_exec_mode(&ctx.builder, entry_point, SpvExecutionModeVertexOrderCcw);
else