nir_mov_alu(nir_builder *build, nir_alu_src src, unsigned num_components)
{
assert(!src.abs && !src.negate);
+ if (src.src.is_ssa && src.src.ssa->num_components == num_components) {
+ bool any_swizzles = false;
+ for (unsigned i = 0; i < num_components; i++) {
+ if (src.swizzle[i] != i)
+ any_swizzles = true;
+ }
+ if (!any_swizzles)
+ return src.src.ssa;
+ }
+
nir_alu_instr *mov = nir_alu_instr_create(build->shader, nir_op_mov);
nir_ssa_dest_init(&mov->instr, &mov->dest.dest, num_components,
nir_src_bit_size(src.src), NULL);
case 2: return nir_fdot2(build, src0, src1);
case 3: return nir_fdot3(build, src0, src1);
case 4: return nir_fdot4(build, src0, src1);
+ case 8: return nir_fdot8(build, src0, src1);
+ case 16: return nir_fdot16(build, src0, src1);
default:
unreachable("bad component size");
}
case 2: return nir_ball_iequal2(b, src0, src1);
case 3: return nir_ball_iequal3(b, src0, src1);
case 4: return nir_ball_iequal4(b, src0, src1);
+ case 8: return nir_ball_iequal8(b, src0, src1);
+ case 16: return nir_ball_iequal16(b, src0, src1);
default:
unreachable("bad component size");
}
}
+static inline nir_ssa_def *
+nir_ball(nir_builder *b, nir_ssa_def *src)
+{
+ return nir_ball_iequal(b, src, nir_imm_true(b));
+}
+
static inline nir_ssa_def *
nir_bany_inequal(nir_builder *b, nir_ssa_def *src0, nir_ssa_def *src1)
{
case 2: return nir_bany_inequal2(b, src0, src1);
case 3: return nir_bany_inequal3(b, src0, src1);
case 4: return nir_bany_inequal4(b, src0, src1);
+ case 8: return nir_bany_inequal8(b, src0, src1);
+ case 16: return nir_bany_inequal16(b, src0, src1);
default:
unreachable("bad component size");
}
return nir_channel(b, vec, start);
} else {
unsigned mid = start + (end - start) / 2;
- return nir_bcsel(b, nir_ilt(b, c, nir_imm_int(b, mid)),
+ return nir_bcsel(b, nir_ilt(b, c, nir_imm_intN_t(b, mid, c->bit_size)),
_nir_vector_extract_helper(b, vec, c, start, mid),
_nir_vector_extract_helper(b, vec, c, mid, end));
}
{
nir_src c_src = nir_src_for_ssa(c);
if (nir_src_is_const(c_src)) {
- unsigned c_const = nir_src_as_uint(c_src);
+ uint64_t c_const = nir_src_as_uint(c_src);
if (c_const < vec->num_components)
return nir_channel(b, vec, c_const);
else
}
}
+/** Replaces the component of `vec` specified by `c` with `scalar` */
+static inline nir_ssa_def *
+nir_vector_insert_imm(nir_builder *b, nir_ssa_def *vec,
+ nir_ssa_def *scalar, unsigned c)
+{
+ assert(scalar->num_components == 1);
+ assert(c < vec->num_components);
+
+ nir_op vec_op = nir_op_vec(vec->num_components);
+ nir_alu_instr *vec_instr = nir_alu_instr_create(b->shader, vec_op);
+
+ for (unsigned i = 0; i < vec->num_components; i++) {
+ if (i == c) {
+ vec_instr->src[i].src = nir_src_for_ssa(scalar);
+ vec_instr->src[i].swizzle[0] = 0;
+ } else {
+ vec_instr->src[i].src = nir_src_for_ssa(vec);
+ vec_instr->src[i].swizzle[0] = i;
+ }
+ }
+
+ return nir_builder_alu_instr_finish_and_insert(b, vec_instr);
+}
+
+/** Replaces the component of `vec` specified by `c` with `scalar` */
+static inline nir_ssa_def *
+nir_vector_insert(nir_builder *b, nir_ssa_def *vec, nir_ssa_def *scalar,
+ nir_ssa_def *c)
+{
+ assert(scalar->num_components == 1);
+ assert(c->num_components == 1);
+
+ nir_src c_src = nir_src_for_ssa(c);
+ if (nir_src_is_const(c_src)) {
+ uint64_t c_const = nir_src_as_uint(c_src);
+ if (c_const < vec->num_components)
+ return nir_vector_insert_imm(b, vec, scalar, c_const);
+ else
+ return vec;
+ } else {
+ nir_const_value per_comp_idx_const[NIR_MAX_VEC_COMPONENTS];
+ for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++)
+ per_comp_idx_const[i] = nir_const_value_for_int(i, c->bit_size);
+ nir_ssa_def *per_comp_idx =
+ nir_build_imm(b, vec->num_components,
+ c->bit_size, per_comp_idx_const);
+
+ /* nir_builder will automatically splat out scalars to vectors so an
+ * insert is as simple as "if I'm the channel, replace me with the
+ * scalar."
+ */
+ return nir_bcsel(b, nir_ieq(b, c, per_comp_idx), scalar, vec);
+ }
+}
+
static inline nir_ssa_def *
nir_i2i(nir_builder *build, nir_ssa_def *x, unsigned dest_bit_size)
{
}
static inline nir_ssa_def *
-nir_imul_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
+_nir_mul_imm(nir_builder *build, nir_ssa_def *x, uint64_t y, bool amul)
{
assert(x->bit_size <= 64);
if (x->bit_size < 64)
return nir_imm_intN_t(build, 0, x->bit_size);
} else if (y == 1) {
return x;
- } else if (util_is_power_of_two_or_zero64(y)) {
+ } else if (!build->shader->options->lower_bitops &&
+ util_is_power_of_two_or_zero64(y)) {
return nir_ishl(build, x, nir_imm_int(build, ffsll(y) - 1));
+ } else if (amul) {
+ return nir_amul(build, x, nir_imm_intN_t(build, y, x->bit_size));
} else {
return nir_imul(build, x, nir_imm_intN_t(build, y, x->bit_size));
}
}
+static inline nir_ssa_def *
+nir_imul_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
+{
+ return _nir_mul_imm(build, x, y, false);
+}
+
+static inline nir_ssa_def *
+nir_amul_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
+{
+ return _nir_mul_imm(build, x, y, true);
+}
+
static inline nir_ssa_def *
nir_fadd_imm(nir_builder *build, nir_ssa_def *x, double y)
{
return nir_vec(b, dest_comps, dest_num_components);
}
+/**
+ * Treats srcs as if it's one big blob of bits and extracts the range of bits
+ * given by
+ *
+ * [first_bit, first_bit + dest_num_components * dest_bit_size)
+ *
+ * The range can have any alignment or size as long as it's an integer number
+ * of destination components and fits inside the concatenated sources.
+ *
+ * TODO: The one caveat here is that we can't handle byte alignment if 64-bit
+ * values are involved because that would require pack/unpack to/from a vec8
+ * which NIR currently does not support.
+ */
+static inline nir_ssa_def *
+nir_extract_bits(nir_builder *b, nir_ssa_def **srcs, unsigned num_srcs,
+ unsigned first_bit,
+ unsigned dest_num_components, unsigned dest_bit_size)
+{
+ const unsigned num_bits = dest_num_components * dest_bit_size;
+
+ /* Figure out the common bit size */
+ unsigned common_bit_size = dest_bit_size;
+ for (unsigned i = 0; i < num_srcs; i++)
+ common_bit_size = MIN2(common_bit_size, srcs[i]->bit_size);
+ if (first_bit > 0)
+ common_bit_size = MIN2(common_bit_size, (1u << (ffs(first_bit) - 1)));
+
+ /* We don't want to have to deal with 1-bit values */
+ assert(common_bit_size >= 8);
+
+ nir_ssa_def *common_comps[NIR_MAX_VEC_COMPONENTS * sizeof(uint64_t)];
+ assert(num_bits / common_bit_size <= ARRAY_SIZE(common_comps));
+
+ /* First, unpack to the common bit size and select the components from the
+ * source.
+ */
+ int src_idx = -1;
+ unsigned src_start_bit = 0;
+ unsigned src_end_bit = 0;
+ for (unsigned i = 0; i < num_bits / common_bit_size; i++) {
+ const unsigned bit = first_bit + (i * common_bit_size);
+ while (bit >= src_end_bit) {
+ src_idx++;
+ assert(src_idx < (int) num_srcs);
+ src_start_bit = src_end_bit;
+ src_end_bit += srcs[src_idx]->bit_size *
+ srcs[src_idx]->num_components;
+ }
+ assert(bit >= src_start_bit);
+ assert(bit + common_bit_size <= src_end_bit);
+ const unsigned rel_bit = bit - src_start_bit;
+ const unsigned src_bit_size = srcs[src_idx]->bit_size;
+
+ nir_ssa_def *comp = nir_channel(b, srcs[src_idx],
+ rel_bit / src_bit_size);
+ if (srcs[src_idx]->bit_size > common_bit_size) {
+ nir_ssa_def *unpacked = nir_unpack_bits(b, comp, common_bit_size);
+ comp = nir_channel(b, unpacked, (rel_bit % src_bit_size) /
+ common_bit_size);
+ }
+ common_comps[i] = comp;
+ }
+
+ /* Now, re-pack the destination if we have to */
+ if (dest_bit_size > common_bit_size) {
+ unsigned common_per_dest = dest_bit_size / common_bit_size;
+ nir_ssa_def *dest_comps[NIR_MAX_VEC_COMPONENTS];
+ for (unsigned i = 0; i < dest_num_components; i++) {
+ nir_ssa_def *unpacked = nir_vec(b, common_comps + i * common_per_dest,
+ common_per_dest);
+ dest_comps[i] = nir_pack_bits(b, unpacked, dest_bit_size);
+ }
+ return nir_vec(b, dest_comps, dest_num_components);
+ } else {
+ assert(dest_bit_size == common_bit_size);
+ return nir_vec(b, common_comps, dest_num_components);
+ }
+}
+
static inline nir_ssa_def *
nir_bitcast_vector(nir_builder *b, nir_ssa_def *src, unsigned dest_bit_size)
{
(src->bit_size * src->num_components) / dest_bit_size;
assert(dest_num_components <= NIR_MAX_VEC_COMPONENTS);
- if (src->bit_size > dest_bit_size) {
- assert(src->bit_size % dest_bit_size == 0);
- if (src->num_components == 1) {
- return nir_unpack_bits(b, src, dest_bit_size);
- } else {
- const unsigned divisor = src->bit_size / dest_bit_size;
- assert(src->num_components * divisor == dest_num_components);
- nir_ssa_def *dest[NIR_MAX_VEC_COMPONENTS];
- for (unsigned i = 0; i < src->num_components; i++) {
- nir_ssa_def *unpacked =
- nir_unpack_bits(b, nir_channel(b, src, i), dest_bit_size);
- assert(unpacked->num_components == divisor);
- for (unsigned j = 0; j < divisor; j++)
- dest[i * divisor + j] = nir_channel(b, unpacked, j);
- }
- return nir_vec(b, dest, dest_num_components);
- }
- } else if (src->bit_size < dest_bit_size) {
- assert(dest_bit_size % src->bit_size == 0);
- if (dest_num_components == 1) {
- return nir_pack_bits(b, src, dest_bit_size);
- } else {
- const unsigned divisor = dest_bit_size / src->bit_size;
- assert(src->num_components == dest_num_components * divisor);
- nir_ssa_def *dest[NIR_MAX_VEC_COMPONENTS];
- for (unsigned i = 0; i < dest_num_components; i++) {
- nir_component_mask_t src_mask =
- ((1 << divisor) - 1) << (i * divisor);
- dest[i] = nir_pack_bits(b, nir_channels(b, src, src_mask),
- dest_bit_size);
- }
- return nir_vec(b, dest, dest_num_components);
- }
- } else {
- assert(src->bit_size == dest_bit_size);
- return src;
- }
+ return nir_extract_bits(b, &src, 1, 0, dest_num_components, dest_bit_size);
}
/**
static inline nir_ssa_def *
nir_ssa_for_alu_src(nir_builder *build, nir_alu_instr *instr, unsigned srcn)
{
- static uint8_t trivial_swizzle[NIR_MAX_VEC_COMPONENTS];
- for (int i = 0; i < NIR_MAX_VEC_COMPONENTS; ++i)
- trivial_swizzle[i] = i;
+ static uint8_t trivial_swizzle[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+ STATIC_ASSERT(ARRAY_SIZE(trivial_swizzle) == NIR_MAX_VEC_COMPONENTS);
+
nir_alu_src *src = &instr->src[srcn];
unsigned num_components = nir_ssa_alu_instr_src_components(instr, srcn);
return nir_ssa_for_src(build, nir_src_for_reg(reg), reg->num_components);
}
+static inline void
+nir_store_reg(nir_builder *build, nir_register *reg,
+ nir_ssa_def *def, nir_component_mask_t write_mask)
+{
+ assert(reg->num_components == def->num_components);
+ assert(reg->bit_size == def->bit_size);
+
+ nir_alu_instr *mov = nir_alu_instr_create(build->shader, nir_op_mov);
+ mov->src[0].src = nir_src_for_ssa(def);
+ mov->dest.dest = nir_dest_for_reg(reg);
+ mov->dest.write_mask = write_mask & BITFIELD_MASK(reg->num_components);
+ nir_builder_instr_insert(build, &mov->instr);
+}
+
static inline nir_ssa_def *
nir_load_deref_with_access(nir_builder *build, nir_deref_instr *deref,
enum gl_access_qualifier access)
};
}
+static inline nir_ssa_def *
+nir_b2i(nir_builder *build, nir_ssa_def *b, uint32_t bit_size)
+{
+ switch (bit_size) {
+ case 64: return nir_b2i64(build, b);
+ case 32: return nir_b2i32(build, b);
+ case 16: return nir_b2i16(build, b);
+ case 8: return nir_b2i8(build, b);
+ default:
+ unreachable("Invalid bit-size");
+ };
+}
static inline nir_ssa_def *
nir_load_barycentric(nir_builder *build, nir_intrinsic_op op,
unsigned interp_mode)
{
+ unsigned num_components = op == nir_intrinsic_load_barycentric_model ? 3 : 2;
nir_intrinsic_instr *bary = nir_intrinsic_instr_create(build->shader, op);
- nir_ssa_dest_init(&bary->instr, &bary->dest, 2, 32, NULL);
+ nir_ssa_dest_init(&bary->instr, &bary->dest, num_components, 32, NULL);
nir_intrinsic_set_interp_mode(bary, interp_mode);
nir_builder_instr_insert(build, &bary->instr);
return &bary->dest.ssa;
static inline void
nir_jump(nir_builder *build, nir_jump_type jump_type)
{
+ assert(jump_type != nir_jump_goto && jump_type != nir_jump_goto_if);
nir_jump_instr *jump = nir_jump_instr_create(build->shader, jump_type);
nir_builder_instr_insert(build, &jump->instr);
}
+static inline void
+nir_goto(nir_builder *build, struct nir_block *target)
+{
+ assert(!build->impl->structured);
+ nir_jump_instr *jump = nir_jump_instr_create(build->shader, nir_jump_goto);
+ jump->target = target;
+ nir_builder_instr_insert(build, &jump->instr);
+}
+
+static inline void
+nir_goto_if(nir_builder *build, struct nir_block *target, nir_src cond,
+ struct nir_block *else_target)
+{
+ assert(!build->impl->structured);
+ nir_jump_instr *jump = nir_jump_instr_create(build->shader, nir_jump_goto_if);
+ jump->condition = cond;
+ jump->target = target;
+ jump->else_target = else_target;
+ nir_builder_instr_insert(build, &jump->instr);
+}
+
static inline nir_ssa_def *
nir_compare_func(nir_builder *b, enum compare_func func,
nir_ssa_def *src0, nir_ssa_def *src1)
unreachable("bad compare func");
}
+static inline void
+nir_scoped_barrier(nir_builder *b,
+ nir_scope exec_scope,
+ nir_scope mem_scope,
+ nir_memory_semantics mem_semantics,
+ nir_variable_mode mem_modes)
+{
+ nir_intrinsic_instr *intrin =
+ nir_intrinsic_instr_create(b->shader, nir_intrinsic_scoped_barrier);
+ nir_intrinsic_set_execution_scope(intrin, exec_scope);
+ nir_intrinsic_set_memory_scope(intrin, mem_scope);
+ nir_intrinsic_set_memory_semantics(intrin, mem_semantics);
+ nir_intrinsic_set_memory_modes(intrin, mem_modes);
+ nir_builder_instr_insert(b, &intrin->instr);
+}
+
+static inline void
+nir_scoped_memory_barrier(nir_builder *b,
+ nir_scope scope,
+ nir_memory_semantics semantics,
+ nir_variable_mode modes)
+{
+ nir_scoped_barrier(b, NIR_SCOPE_NONE, scope, semantics, modes);
+}
+
+static inline nir_ssa_def *
+nir_convert_to_bit_size(nir_builder *b,
+ nir_ssa_def *src,
+ nir_alu_type type,
+ unsigned bit_size)
+{
+ nir_alu_type base_type = nir_alu_type_get_base_type(type);
+ nir_alu_type dst_type = (nir_alu_type)(bit_size | base_type);
+
+ nir_op opcode =
+ nir_type_conversion_op(type, dst_type, nir_rounding_mode_undef);
+
+ return nir_build_alu(b, opcode, src, NULL, NULL, NULL);
+}
+
+static inline nir_ssa_def *
+nir_i2iN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
+{
+ return nir_convert_to_bit_size(b, src, nir_type_int, bit_size);
+}
+
+static inline nir_ssa_def *
+nir_u2uN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
+{
+ return nir_convert_to_bit_size(b, src, nir_type_uint, bit_size);
+}
+
+static inline nir_ssa_def *
+nir_b2bN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
+{
+ return nir_convert_to_bit_size(b, src, nir_type_bool, bit_size);
+}
+
+static inline nir_ssa_def *
+nir_f2fN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
+{
+ return nir_convert_to_bit_size(b, src, nir_type_float, bit_size);
+}
+
#endif /* NIR_BUILDER_H */
projects / mesa.git / blobdiff