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dxil: switch to derivative intrinsics

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30568>
This commit is contained in:
Alyssa Rosenzweig
2024-08-06 10:07:43 -04:00
committed by Marge Bot
parent 0d170a8128
commit 50c0dbfd70
1 changed files with 22 additions and 7 deletions
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src/microsoft/compiler/nir_to_dxil.c
+22 -7
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@@ -161,6 +161,8 @@ nir_options = {
.support_16bit_alu = true,
.preserve_mediump = true,
.discard_is_demote = true,
.has_ddx_intrinsics = true,
.scalarize_ddx = true,
};
const nir_shader_compiler_options*
@@ -2596,6 +2598,19 @@ emit_tertiary_intin(struct ntd_context *ctx, nir_alu_instr *alu,
return true;
}
static bool
emit_derivative(struct ntd_context *ctx, nir_intrinsic_instr *intr,
enum dxil_intr dxil_intr)
{
const struct dxil_value *src = get_src(ctx, &intr->src[0], 0, nir_type_float);
enum overload_type overload = get_overload(nir_type_float, intr->src[0].ssa->bit_size);
const struct dxil_value *v = emit_unary_call(ctx, overload, dxil_intr, src);
if (!v)
return false;
store_def(ctx, &intr->def, 0, v);
return true;
}
static bool
emit_bitfield_insert(struct ntd_context *ctx, nir_alu_instr *alu,
const struct dxil_value *base,
@@ -2960,13 +2975,6 @@ emit_alu(struct ntd_context *ctx, nir_alu_instr *alu)
case nir_op_fisnormal: return emit_unary_intin(ctx, alu, DXIL_INTR_ISNORMAL, src[0]);
case nir_op_fisfinite: return emit_unary_intin(ctx, alu, DXIL_INTR_ISFINITE, src[0]);
case nir_op_fddx:
case nir_op_fddx_coarse: return emit_unary_intin(ctx, alu, DXIL_INTR_DDX_COARSE, src[0]);
case nir_op_fddx_fine: return emit_unary_intin(ctx, alu, DXIL_INTR_DDX_FINE, src[0]);
case nir_op_fddy:
case nir_op_fddy_coarse: return emit_unary_intin(ctx, alu, DXIL_INTR_DDY_COARSE, src[0]);
case nir_op_fddy_fine: return emit_unary_intin(ctx, alu, DXIL_INTR_DDY_FINE, src[0]);
case nir_op_fround_even: return emit_unary_intin(ctx, alu, DXIL_INTR_ROUND_NE, src[0]);
case nir_op_frcp: {
const struct dxil_value *one;
@@ -4942,6 +4950,13 @@ emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr)
case nir_intrinsic_exclusive_scan:
return emit_reduce(ctx, intr);
case nir_intrinsic_ddx:
case nir_intrinsic_ddx_coarse: return emit_derivative(ctx, intr, DXIL_INTR_DDX_COARSE);
case nir_intrinsic_ddx_fine: return emit_derivative(ctx, intr, DXIL_INTR_DDX_FINE);
case nir_intrinsic_ddy:
case nir_intrinsic_ddy_coarse: return emit_derivative(ctx, intr, DXIL_INTR_DDY_COARSE);
case nir_intrinsic_ddy_fine: return emit_derivative(ctx, intr, DXIL_INTR_DDY_FINE);
case nir_intrinsic_load_first_vertex:
ctx->mod.feats.extended_command_info = true;
return emit_load_unary_external_function(ctx, intr, "dx.op.startVertexLocation",