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vc4: switch to derivative intrinsics

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30570>
This commit is contained in:
Alyssa Rosenzweig
2024-07-24 11:23:14 -04:00
committed by Marge Bot
parent c3d999dec9
commit 3410161dc7
1 changed files with 16 additions and 12 deletions
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src/gallium/drivers/vc4/vc4_program.c
+16 -12
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@@ -1273,18 +1273,6 @@ ntq_emit_alu(struct vc4_compile *c, nir_alu_instr *instr)
result = qir_V8MULD(c, src[0], src[1]);
break;
case nir_op_fddx:
case nir_op_fddx_coarse:
case nir_op_fddx_fine:
result = ntq_fddx(c, src[0]);
break;
case nir_op_fddy:
case nir_op_fddy_coarse:
case nir_op_fddy_fine:
result = ntq_fddy(c, src[0]);
break;
case nir_op_uadd_carry:
qir_SF(c, qir_ADD(c, src[0], src[1]));
result = ntq_emit_cond_to_int(c, QPU_COND_CS);
@@ -1858,6 +1846,20 @@ ntq_emit_intrinsic(struct vc4_compile *c, nir_intrinsic_instr *instr)
break;
}
case nir_intrinsic_ddx:
case nir_intrinsic_ddx_coarse:
case nir_intrinsic_ddx_fine:
ntq_store_def(c, &instr->def, 0,
ntq_fddx(c, ntq_get_src(c, instr->src[0], 0)));
break;
case nir_intrinsic_ddy:
case nir_intrinsic_ddy_coarse:
case nir_intrinsic_ddy_fine:
ntq_store_def(c, &instr->def, 0,
ntq_fddy(c, ntq_get_src(c, instr->src[0], 0)));
break;
default:
fprintf(stderr, "Unknown intrinsic: ");
nir_print_instr(&instr->instr, stderr);
@@ -2179,6 +2181,8 @@ static const nir_shader_compiler_options nir_options = {
.lower_mul_high = true,
.max_unroll_iterations = 32,
.force_indirect_unrolling = (nir_var_shader_in | nir_var_shader_out | nir_var_function_temp),
.has_ddx_intrinsics = true,
.scalarize_ddx = true,
};
const void *