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agx: Implement blend constant color sysvals

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10720>
This commit is contained in:
Alyssa Rosenzweig
2021-05-04 22:37:15 -04:00
parent 5fd489a6bd
commit 06fe6651b3
1 changed files with 14 additions and 0 deletions
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src/asahi/compiler/agx_compile.c
+14
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@@ -236,6 +236,15 @@ agx_emit_load_ubo(agx_builder *b, nir_intrinsic_instr *instr)
return agx_wait(b, 0);
}
static agx_instr *
agx_blend_const(agx_builder *b, agx_index dst, unsigned comp)
{
agx_index val = agx_indexed_sysval(b->shader,
AGX_PUSH_BLEND_CONST, AGX_SIZE_32, comp * 2, 4 * 2);
return agx_mov_to(b, dst, val);
}
static agx_instr *
agx_emit_intrinsic(agx_builder *b, nir_intrinsic_instr *instr)
{
@@ -275,6 +284,11 @@ agx_emit_intrinsic(agx_builder *b, nir_intrinsic_instr *instr)
case nir_intrinsic_load_vertex_id:
return agx_mov_to(b, dst, agx_abs(agx_register(10, AGX_SIZE_32))); /* TODO: RA */
case nir_intrinsic_load_blend_const_color_r_float: return agx_blend_const(b, dst, 0);
case nir_intrinsic_load_blend_const_color_g_float: return agx_blend_const(b, dst, 1);
case nir_intrinsic_load_blend_const_color_b_float: return agx_blend_const(b, dst, 2);
case nir_intrinsic_load_blend_const_color_a_float: return agx_blend_const(b, dst, 3);
default:
fprintf(stderr, "Unhandled intrinsic %s\n", nir_intrinsic_infos[instr->intrinsic].name);
unreachable("Unhandled intrinsic");