*/
#include "nir.h"
+#include "c11/threads.h"
#include <assert.h>
/*
/* Since this file is just a pile of asserts, don't bother compiling it if
* we're not building a debug build.
*/
-#ifdef DEBUG
+#ifndef NDEBUG
/*
* Per-register validation state.
} reg_validate_state;
typedef struct {
- /*
- * equivalent to the uses in nir_ssa_def, but built up by the validator.
- * At the end, we verify that the sets have the same entries.
- */
- struct set *uses, *if_uses;
- nir_function_impl *where_defined;
-} ssa_def_validate_state;
+ void *mem_ctx;
-typedef struct {
/* map of register -> validation state (struct above) */
struct hash_table *regs;
/* the current function implementation being validated */
nir_function_impl *impl;
- /* map of SSA value -> function implementation where it is defined */
- struct hash_table *ssa_defs;
+ /* Set of seen SSA sources */
+ struct set *ssa_srcs;
/* bitset of ssa definitions we have found; used to check uniqueness */
BITSET_WORD *ssa_defs_found;
/* bitset of registers we have currently found; used to check uniqueness */
BITSET_WORD *regs_found;
- /* map of local variable -> function implementation where it is defined */
+ /* map of variable -> function implementation where it is defined or NULL
+ * if it is a global variable
+ */
struct hash_table *var_defs;
/* map of instruction/var/etc to failed assert string */
log_error(state, #cond, __FILE__, __LINE__); \
} while (0)
-static void validate_src(nir_src *src, validate_state *state);
+static void validate_src(nir_src *src, validate_state *state,
+ unsigned bit_sizes, unsigned num_components);
static void
-validate_reg_src(nir_src *src, validate_state *state)
+validate_num_components(validate_state *state, unsigned num_components)
+{
+ validate_assert(state, nir_num_components_valid(num_components));
+}
+
+static void
+validate_reg_src(nir_src *src, validate_state *state,
+ unsigned bit_sizes, unsigned num_components)
{
validate_assert(state, src->reg.reg != NULL);
_mesa_set_add(reg_state->if_uses, src);
}
- if (!src->reg.reg->is_global) {
- validate_assert(state, reg_state->where_defined == state->impl &&
- "using a register declared in a different function");
- }
+ validate_assert(state, reg_state->where_defined == state->impl &&
+ "using a register declared in a different function");
+
+ if (bit_sizes)
+ validate_assert(state, src->reg.reg->bit_size & bit_sizes);
+ if (num_components)
+ validate_assert(state, src->reg.reg->num_components == num_components);
validate_assert(state, (src->reg.reg->num_array_elems == 0 ||
src->reg.base_offset < src->reg.reg->num_array_elems) &&
validate_assert(state, (src->reg.indirect->is_ssa ||
src->reg.indirect->reg.indirect == NULL) &&
"only one level of indirection allowed");
- validate_src(src->reg.indirect, state);
+ validate_src(src->reg.indirect, state, 32, 1);
}
}
+#define SET_PTR_BIT(ptr, bit) \
+ (void *)(((uintptr_t)(ptr)) | (((uintptr_t)1) << bit))
+
static void
-validate_ssa_src(nir_src *src, validate_state *state)
+validate_ssa_src(nir_src *src, validate_state *state,
+ unsigned bit_sizes, unsigned num_components)
{
validate_assert(state, src->ssa != NULL);
- struct hash_entry *entry = _mesa_hash_table_search(state->ssa_defs, src->ssa);
-
- validate_assert(state, entry);
-
- ssa_def_validate_state *def_state = (ssa_def_validate_state *)entry->data;
-
- validate_assert(state, def_state->where_defined == state->impl &&
- "using an SSA value defined in a different function");
-
+ /* As we walk SSA defs, we add every use to this set. We need to make sure
+ * our use is seen in a use list.
+ */
+ struct set_entry *entry;
if (state->instr) {
- _mesa_set_add(def_state->uses, src);
+ entry = _mesa_set_search(state->ssa_srcs, src);
} else {
- validate_assert(state, state->if_stmt);
- _mesa_set_add(def_state->if_uses, src);
+ entry = _mesa_set_search(state->ssa_srcs, SET_PTR_BIT(src, 0));
}
+ validate_assert(state, entry);
+
+ /* This will let us prove that we've seen all the sources */
+ if (entry)
+ _mesa_set_remove(state->ssa_srcs, entry);
+
+ if (bit_sizes)
+ validate_assert(state, src->ssa->bit_size & bit_sizes);
+ if (num_components)
+ validate_assert(state, src->ssa->num_components == num_components);
/* TODO validate that the use is dominated by the definition */
}
static void
-validate_src(nir_src *src, validate_state *state)
+validate_src(nir_src *src, validate_state *state,
+ unsigned bit_sizes, unsigned num_components)
{
if (state->instr)
validate_assert(state, src->parent_instr == state->instr);
validate_assert(state, src->parent_if == state->if_stmt);
if (src->is_ssa)
- validate_ssa_src(src, state);
+ validate_ssa_src(src, state, bit_sizes, num_components);
else
- validate_reg_src(src, state);
+ validate_reg_src(src, state, bit_sizes, num_components);
}
static void
{
nir_alu_src *src = &instr->src[index];
- unsigned num_components;
- unsigned src_bit_size;
- if (src->src.is_ssa) {
- src_bit_size = src->src.ssa->bit_size;
- num_components = src->src.ssa->num_components;
- } else {
- src_bit_size = src->src.reg.reg->bit_size;
- if (src->src.reg.reg->is_packed)
- num_components = 4; /* can't check anything */
- else
- num_components = src->src.reg.reg->num_components;
- }
- for (unsigned i = 0; i < 4; i++) {
- validate_assert(state, src->swizzle[i] < 4);
+ if (instr->op == nir_op_mov)
+ assert(!src->abs && !src->negate);
+
+ unsigned num_components = nir_src_num_components(src->src);
+ for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++) {
+ validate_assert(state, src->swizzle[i] < NIR_MAX_VEC_COMPONENTS);
if (nir_alu_instr_channel_used(instr, index, i))
validate_assert(state, src->swizzle[i] < num_components);
}
- nir_alu_type src_type = nir_op_infos[instr->op].input_types[index];
-
- /* 8-bit float isn't a thing */
- if (nir_alu_type_get_base_type(src_type) == nir_type_float)
- validate_assert(state, src_bit_size == 16 || src_bit_size == 32 || src_bit_size == 64);
-
- if (nir_alu_type_get_type_size(src_type)) {
- /* This source has an explicit bit size */
- validate_assert(state, nir_alu_type_get_type_size(src_type) == src_bit_size);
- } else {
- if (!nir_alu_type_get_type_size(nir_op_infos[instr->op].output_type)) {
- unsigned dest_bit_size =
- instr->dest.dest.is_ssa ? instr->dest.dest.ssa.bit_size
- : instr->dest.dest.reg.reg->bit_size;
- validate_assert(state, dest_bit_size == src_bit_size);
- }
- }
-
- validate_src(&src->src, state);
+ validate_src(&src->src, state, 0, 0);
}
static void
-validate_reg_dest(nir_reg_dest *dest, validate_state *state)
+validate_reg_dest(nir_reg_dest *dest, validate_state *state,
+ unsigned bit_sizes, unsigned num_components)
{
validate_assert(state, dest->reg != NULL);
reg_validate_state *reg_state = (reg_validate_state *) entry2->data;
_mesa_set_add(reg_state->defs, dest);
- if (!dest->reg->is_global) {
- validate_assert(state, reg_state->where_defined == state->impl &&
- "writing to a register declared in a different function");
- }
+ validate_assert(state, reg_state->where_defined == state->impl &&
+ "writing to a register declared in a different function");
+
+ if (bit_sizes)
+ validate_assert(state, dest->reg->bit_size & bit_sizes);
+ if (num_components)
+ validate_assert(state, dest->reg->num_components == num_components);
validate_assert(state, (dest->reg->num_array_elems == 0 ||
dest->base_offset < dest->reg->num_array_elems) &&
validate_assert(state, dest->reg->num_array_elems != 0);
validate_assert(state, (dest->indirect->is_ssa || dest->indirect->reg.indirect == NULL) &&
"only one level of indirection allowed");
- validate_src(dest->indirect, state);
+ validate_src(dest->indirect, state, 32, 1);
}
}
BITSET_SET(state->ssa_defs_found, def->index);
validate_assert(state, def->parent_instr == state->instr);
-
- validate_assert(state, def->num_components <= 4);
+ validate_num_components(state, def->num_components);
list_validate(&def->uses);
- list_validate(&def->if_uses);
+ nir_foreach_use(src, def) {
+ validate_assert(state, src->is_ssa);
+ validate_assert(state, src->ssa == def);
+ bool already_seen = false;
+ _mesa_set_search_and_add(state->ssa_srcs, src, &already_seen);
+ /* A nir_src should only appear once and only in one SSA def use list */
+ validate_assert(state, !already_seen);
+ }
- ssa_def_validate_state *def_state = ralloc(state->ssa_defs,
- ssa_def_validate_state);
- def_state->where_defined = state->impl;
- def_state->uses = _mesa_set_create(def_state, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- def_state->if_uses = _mesa_set_create(def_state, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- _mesa_hash_table_insert(state->ssa_defs, def, def_state);
+ list_validate(&def->if_uses);
+ nir_foreach_if_use(src, def) {
+ validate_assert(state, src->is_ssa);
+ validate_assert(state, src->ssa == def);
+ bool already_seen = false;
+ _mesa_set_search_and_add(state->ssa_srcs, SET_PTR_BIT(src, 0),
+ &already_seen);
+ /* A nir_src should only appear once and only in one SSA def use list */
+ validate_assert(state, !already_seen);
+ }
}
static void
-validate_dest(nir_dest *dest, validate_state *state)
+validate_dest(nir_dest *dest, validate_state *state,
+ unsigned bit_sizes, unsigned num_components)
{
- if (dest->is_ssa)
+ if (dest->is_ssa) {
+ if (bit_sizes)
+ validate_assert(state, dest->ssa.bit_size & bit_sizes);
+ if (num_components)
+ validate_assert(state, dest->ssa.num_components == num_components);
validate_ssa_def(&dest->ssa, state);
- else
- validate_reg_dest(&dest->reg, state);
+ } else {
+ validate_reg_dest(&dest->reg, state, bit_sizes, num_components);
+ }
}
static void
{
nir_alu_dest *dest = &instr->dest;
- unsigned dest_size =
- dest->dest.is_ssa ? dest->dest.ssa.num_components
- : dest->dest.reg.reg->num_components;
- bool is_packed = !dest->dest.is_ssa && dest->dest.reg.reg->is_packed;
+ if (instr->op == nir_op_mov)
+ assert(!dest->saturate);
+
+ unsigned dest_size = nir_dest_num_components(dest->dest);
/*
* validate that the instruction doesn't write to components not in the
* register/SSA value
*/
- validate_assert(state, is_packed || !(dest->write_mask & ~((1 << dest_size) - 1)));
+ validate_assert(state, !(dest->write_mask & ~((1 << dest_size) - 1)));
/* validate that saturate is only ever used on instructions with
* destinations of type float
nir_type_float) ||
!dest->saturate);
- unsigned bit_size = dest->dest.is_ssa ? dest->dest.ssa.bit_size
- : dest->dest.reg.reg->bit_size;
- nir_alu_type type = nir_op_infos[instr->op].output_type;
-
- /* 8-bit float isn't a thing */
- if (nir_alu_type_get_base_type(type) == nir_type_float)
- validate_assert(state, bit_size == 16 || bit_size == 32 || bit_size == 64);
-
- validate_assert(state, nir_alu_type_get_type_size(type) == 0 ||
- nir_alu_type_get_type_size(type) == bit_size);
-
- validate_dest(&dest->dest, state);
+ validate_dest(&dest->dest, state, 0, 0);
}
static void
{
validate_assert(state, instr->op < nir_num_opcodes);
+ unsigned instr_bit_size = 0;
for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) {
+ nir_alu_type src_type = nir_op_infos[instr->op].input_types[i];
+ unsigned src_bit_size = nir_src_bit_size(instr->src[i].src);
+ if (nir_alu_type_get_type_size(src_type)) {
+ validate_assert(state, src_bit_size == nir_alu_type_get_type_size(src_type));
+ } else if (instr_bit_size) {
+ validate_assert(state, src_bit_size == instr_bit_size);
+ } else {
+ instr_bit_size = src_bit_size;
+ }
+
+ if (nir_alu_type_get_base_type(src_type) == nir_type_float) {
+ /* 8-bit float isn't a thing */
+ validate_assert(state, src_bit_size == 16 || src_bit_size == 32 ||
+ src_bit_size == 64);
+ }
+
validate_alu_src(instr, i, state);
}
+ nir_alu_type dest_type = nir_op_infos[instr->op].output_type;
+ unsigned dest_bit_size = nir_dest_bit_size(instr->dest.dest);
+ if (nir_alu_type_get_type_size(dest_type)) {
+ validate_assert(state, dest_bit_size == nir_alu_type_get_type_size(dest_type));
+ } else if (instr_bit_size) {
+ validate_assert(state, dest_bit_size == instr_bit_size);
+ } else {
+ /* The only unsized thing is the destination so it's vacuously valid */
+ }
+
+ if (nir_alu_type_get_base_type(dest_type) == nir_type_float) {
+ /* 8-bit float isn't a thing */
+ validate_assert(state, dest_bit_size == 16 || dest_bit_size == 32 ||
+ dest_bit_size == 64);
+ }
+
validate_alu_dest(instr, state);
}
static void
-validate_deref_chain(nir_deref *deref, validate_state *state)
+validate_var_use(nir_variable *var, validate_state *state)
{
- validate_assert(state, deref->child == NULL || ralloc_parent(deref->child) == deref);
+ struct hash_entry *entry = _mesa_hash_table_search(state->var_defs, var);
+ validate_assert(state, entry);
+ if (entry && var->data.mode == nir_var_function_temp)
+ validate_assert(state, (nir_function_impl *) entry->data == state->impl);
+}
- nir_deref *parent = NULL;
- while (deref != NULL) {
- switch (deref->deref_type) {
- case nir_deref_type_array:
- validate_assert(state, deref->type == glsl_get_array_element(parent->type));
- if (nir_deref_as_array(deref)->deref_array_type ==
- nir_deref_array_type_indirect)
- validate_src(&nir_deref_as_array(deref)->indirect, state);
- break;
+static void
+validate_deref_instr(nir_deref_instr *instr, validate_state *state)
+{
+ if (instr->deref_type == nir_deref_type_var) {
+ /* Variable dereferences are stupid simple. */
+ validate_assert(state, instr->mode == instr->var->data.mode);
+ validate_assert(state, instr->type == instr->var->type);
+ validate_var_use(instr->var, state);
+ } else if (instr->deref_type == nir_deref_type_cast) {
+ /* For cast, we simply have to trust the instruction. It's up to
+ * lowering passes and front/back-ends to make them sane.
+ */
+ validate_src(&instr->parent, state, 0, 0);
+
+ /* We just validate that the type and mode are there */
+ validate_assert(state, instr->mode);
+ validate_assert(state, instr->type);
+ } else {
+ /* We require the parent to be SSA. This may be lifted in the future */
+ validate_assert(state, instr->parent.is_ssa);
+
+ /* The parent pointer value must have the same number of components
+ * as the destination.
+ */
+ validate_src(&instr->parent, state, nir_dest_bit_size(instr->dest),
+ nir_dest_num_components(instr->dest));
+
+ nir_instr *parent_instr = instr->parent.ssa->parent_instr;
+
+ /* The parent must come from another deref instruction */
+ validate_assert(state, parent_instr->type == nir_instr_type_deref);
+ nir_deref_instr *parent = nir_instr_as_deref(parent_instr);
+
+ validate_assert(state, instr->mode == parent->mode);
+
+ switch (instr->deref_type) {
case nir_deref_type_struct:
- assume(parent); /* cannot happen: deref change starts w/ nir_deref_var */
- validate_assert(state, deref->type ==
- glsl_get_struct_field(parent->type,
- nir_deref_as_struct(deref)->index));
+ validate_assert(state, glsl_type_is_struct_or_ifc(parent->type));
+ validate_assert(state,
+ instr->strct.index < glsl_get_length(parent->type));
+ validate_assert(state, instr->type ==
+ glsl_get_struct_field(parent->type, instr->strct.index));
break;
- case nir_deref_type_var:
+ case nir_deref_type_array:
+ case nir_deref_type_array_wildcard:
+ if (instr->mode == nir_var_mem_ubo ||
+ instr->mode == nir_var_mem_ssbo ||
+ instr->mode == nir_var_mem_shared ||
+ instr->mode == nir_var_mem_global) {
+ /* Shared variables and UBO/SSBOs have a bit more relaxed rules
+ * because we need to be able to handle array derefs on vectors.
+ * Fortunately, nir_lower_io handles these just fine.
+ */
+ validate_assert(state, glsl_type_is_array(parent->type) ||
+ glsl_type_is_matrix(parent->type) ||
+ glsl_type_is_vector(parent->type));
+ } else {
+ /* Most of NIR cannot handle array derefs on vectors */
+ validate_assert(state, glsl_type_is_array(parent->type) ||
+ glsl_type_is_matrix(parent->type));
+ }
+ validate_assert(state,
+ instr->type == glsl_get_array_element(parent->type));
+
+ if (instr->deref_type == nir_deref_type_array) {
+ validate_src(&instr->arr.index, state,
+ nir_dest_bit_size(instr->dest), 1);
+ }
break;
- default:
- validate_assert(state, !"Invalid deref type");
+ case nir_deref_type_ptr_as_array:
+ /* ptr_as_array derefs must have a parent that is either an array,
+ * ptr_as_array, or cast. If the parent is a cast, we get the stride
+ * information (if any) from the cast deref.
+ */
+ validate_assert(state,
+ parent->deref_type == nir_deref_type_array ||
+ parent->deref_type == nir_deref_type_ptr_as_array ||
+ parent->deref_type == nir_deref_type_cast);
+ validate_src(&instr->arr.index, state,
+ nir_dest_bit_size(instr->dest), 1);
break;
- }
- parent = deref;
- deref = deref->child;
+ default:
+ unreachable("Invalid deref instruction type");
+ }
}
-}
-static void
-validate_var_use(nir_variable *var, validate_state *state)
-{
- if (var->data.mode == nir_var_local) {
- struct hash_entry *entry = _mesa_hash_table_search(state->var_defs, var);
+ /* We intentionally don't validate the size of the destination because we
+ * want to let other compiler components such as SPIR-V decide how big
+ * pointers should be.
+ */
+ validate_dest(&instr->dest, state, 0, 0);
- validate_assert(state, entry);
- validate_assert(state, (nir_function_impl *) entry->data == state->impl);
+ /* Deref instructions as if conditions don't make sense because if
+ * conditions expect well-formed Booleans. If you want to compare with
+ * NULL, an explicit comparison operation should be used.
+ */
+ validate_assert(state, list_is_empty(&instr->dest.ssa.if_uses));
+
+ /* Only certain modes can be used as sources for phi instructions. */
+ nir_foreach_use(use, &instr->dest.ssa) {
+ if (use->parent_instr->type == nir_instr_type_phi) {
+ validate_assert(state, instr->mode == nir_var_mem_ubo ||
+ instr->mode == nir_var_mem_ssbo ||
+ instr->mode == nir_var_mem_shared ||
+ instr->mode == nir_var_mem_global ||
+ instr->mode == nir_var_mem_constant);
+ }
}
}
-static void
-validate_deref_var(void *parent_mem_ctx, nir_deref_var *deref, validate_state *state)
+static bool
+vectorized_intrinsic(nir_intrinsic_instr *intr)
{
- validate_assert(state, deref != NULL);
- validate_assert(state, ralloc_parent(deref) == parent_mem_ctx);
- validate_assert(state, deref->deref.type == deref->var->type);
+ const nir_intrinsic_info *info = &nir_intrinsic_infos[intr->intrinsic];
- validate_var_use(deref->var, state);
+ if (info->dest_components == 0)
+ return true;
- validate_deref_chain(&deref->deref, state);
+ for (unsigned i = 0; i < info->num_srcs; i++)
+ if (info->src_components[i] == 0)
+ return true;
+
+ return false;
}
static void
validate_intrinsic_instr(nir_intrinsic_instr *instr, validate_state *state)
{
- unsigned num_srcs = nir_intrinsic_infos[instr->intrinsic].num_srcs;
- for (unsigned i = 0; i < num_srcs; i++) {
- unsigned components_read =
- nir_intrinsic_infos[instr->intrinsic].src_components[i];
- if (components_read == 0)
- components_read = instr->num_components;
-
- validate_assert(state, components_read > 0);
-
- if (instr->src[i].is_ssa) {
- validate_assert(state, components_read <= instr->src[i].ssa->num_components);
- } else if (!instr->src[i].reg.reg->is_packed) {
- validate_assert(state, components_read <= instr->src[i].reg.reg->num_components);
- }
-
- validate_src(&instr->src[i], state);
+ unsigned dest_bit_size = 0;
+ unsigned src_bit_sizes[NIR_INTRINSIC_MAX_INPUTS] = { 0, };
+ switch (instr->intrinsic) {
+ case nir_intrinsic_load_param: {
+ unsigned param_idx = nir_intrinsic_param_idx(instr);
+ validate_assert(state, param_idx < state->impl->function->num_params);
+ nir_parameter *param = &state->impl->function->params[param_idx];
+ validate_assert(state, instr->num_components == param->num_components);
+ dest_bit_size = param->bit_size;
+ break;
}
- unsigned num_vars = nir_intrinsic_infos[instr->intrinsic].num_variables;
- for (unsigned i = 0; i < num_vars; i++) {
- validate_deref_var(instr, instr->variables[i], state);
+ case nir_intrinsic_load_deref: {
+ nir_deref_instr *src = nir_src_as_deref(instr->src[0]);
+ assert(src);
+ validate_assert(state, glsl_type_is_vector_or_scalar(src->type) ||
+ (src->mode == nir_var_uniform &&
+ glsl_get_base_type(src->type) == GLSL_TYPE_SUBROUTINE));
+ validate_assert(state, instr->num_components ==
+ glsl_get_vector_elements(src->type));
+ dest_bit_size = glsl_get_bit_size(src->type);
+ /* Also allow 32-bit boolean load operations */
+ if (glsl_type_is_boolean(src->type))
+ dest_bit_size |= 32;
+ break;
}
- if (nir_intrinsic_infos[instr->intrinsic].has_dest) {
- unsigned components_written =
- nir_intrinsic_infos[instr->intrinsic].dest_components;
- if (components_written == 0)
- components_written = instr->num_components;
-
- validate_assert(state, components_written > 0);
-
- if (instr->dest.is_ssa) {
- validate_assert(state, components_written <= instr->dest.ssa.num_components);
- } else if (!instr->dest.reg.reg->is_packed) {
- validate_assert(state, components_written <= instr->dest.reg.reg->num_components);
- }
-
- validate_dest(&instr->dest, state);
+ case nir_intrinsic_store_deref: {
+ nir_deref_instr *dst = nir_src_as_deref(instr->src[0]);
+ assert(dst);
+ validate_assert(state, glsl_type_is_vector_or_scalar(dst->type));
+ validate_assert(state, instr->num_components ==
+ glsl_get_vector_elements(dst->type));
+ src_bit_sizes[1] = glsl_get_bit_size(dst->type);
+ /* Also allow 32-bit boolean store operations */
+ if (glsl_type_is_boolean(dst->type))
+ src_bit_sizes[1] |= 32;
+ validate_assert(state, (dst->mode & (nir_var_shader_in |
+ nir_var_uniform)) == 0);
+ validate_assert(state, (nir_intrinsic_write_mask(instr) & ~((1 << instr->num_components) - 1)) == 0);
+ break;
}
- switch (instr->intrinsic) {
- case nir_intrinsic_load_var: {
- const struct glsl_type *type =
- nir_deref_tail(&instr->variables[0]->deref)->type;
- validate_assert(state, glsl_type_is_vector_or_scalar(type) ||
- (instr->variables[0]->var->data.mode == nir_var_uniform &&
- glsl_get_base_type(type) == GLSL_TYPE_SUBROUTINE));
- validate_assert(state, instr->num_components == glsl_get_vector_elements(type));
+ case nir_intrinsic_copy_deref: {
+ nir_deref_instr *dst = nir_src_as_deref(instr->src[0]);
+ nir_deref_instr *src = nir_src_as_deref(instr->src[1]);
+ validate_assert(state, glsl_get_bare_type(dst->type) ==
+ glsl_get_bare_type(src->type));
+ validate_assert(state, (dst->mode & (nir_var_shader_in |
+ nir_var_uniform)) == 0);
break;
}
- case nir_intrinsic_store_var: {
- const struct glsl_type *type =
- nir_deref_tail(&instr->variables[0]->deref)->type;
- validate_assert(state, glsl_type_is_vector_or_scalar(type) ||
- (instr->variables[0]->var->data.mode == nir_var_uniform &&
- glsl_get_base_type(type) == GLSL_TYPE_SUBROUTINE));
- validate_assert(state, instr->num_components == glsl_get_vector_elements(type));
- validate_assert(state, instr->variables[0]->var->data.mode != nir_var_shader_in &&
- instr->variables[0]->var->data.mode != nir_var_uniform &&
- instr->variables[0]->var->data.mode != nir_var_shader_storage);
- validate_assert(state, (nir_intrinsic_write_mask(instr) & ~((1 << instr->num_components) - 1)) == 0);
+
+ case nir_intrinsic_load_ubo_vec4: {
+ int bit_size = nir_dest_bit_size(instr->dest);
+ validate_assert(state, bit_size >= 8);
+ validate_assert(state, (nir_intrinsic_component(instr) +
+ instr->num_components) * (bit_size / 8) <= 16);
break;
}
- case nir_intrinsic_copy_var:
- validate_assert(state, nir_deref_tail(&instr->variables[0]->deref)->type ==
- nir_deref_tail(&instr->variables[1]->deref)->type);
- validate_assert(state, instr->variables[0]->var->data.mode != nir_var_shader_in &&
- instr->variables[0]->var->data.mode != nir_var_uniform &&
- instr->variables[0]->var->data.mode != nir_var_shader_storage);
+
+ case nir_intrinsic_load_ubo:
+ case nir_intrinsic_load_ssbo:
+ case nir_intrinsic_load_shared:
+ case nir_intrinsic_load_global:
+ case nir_intrinsic_load_global_constant:
+ case nir_intrinsic_load_scratch:
+ case nir_intrinsic_load_constant:
+ /* These memory load operations must have alignments */
+ validate_assert(state,
+ util_is_power_of_two_nonzero(nir_intrinsic_align_mul(instr)));
+ validate_assert(state, nir_intrinsic_align_offset(instr) <
+ nir_intrinsic_align_mul(instr));
+ /* Fall through */
+
+ case nir_intrinsic_load_uniform:
+ case nir_intrinsic_load_input:
+ case nir_intrinsic_load_per_vertex_input:
+ case nir_intrinsic_load_interpolated_input:
+ case nir_intrinsic_load_output:
+ case nir_intrinsic_load_per_vertex_output:
+ case nir_intrinsic_load_push_constant:
+ /* All memory load operations must load at least a byte */
+ validate_assert(state, nir_dest_bit_size(instr->dest) >= 8);
+ break;
+
+ case nir_intrinsic_store_ssbo:
+ case nir_intrinsic_store_shared:
+ case nir_intrinsic_store_global:
+ case nir_intrinsic_store_scratch:
+ /* These memory store operations must also have alignments */
+ validate_assert(state,
+ util_is_power_of_two_nonzero(nir_intrinsic_align_mul(instr)));
+ validate_assert(state, nir_intrinsic_align_offset(instr) <
+ nir_intrinsic_align_mul(instr));
+ /* Fall through */
+
+ case nir_intrinsic_store_output:
+ case nir_intrinsic_store_per_vertex_output:
+ /* All memory store operations must store at least a byte */
+ validate_assert(state, nir_src_bit_size(instr->src[0]) >= 8);
break;
+
default:
break;
}
+
+ if (instr->num_components > 0)
+ validate_num_components(state, instr->num_components);
+
+ const nir_intrinsic_info *info = &nir_intrinsic_infos[instr->intrinsic];
+ unsigned num_srcs = info->num_srcs;
+ for (unsigned i = 0; i < num_srcs; i++) {
+ unsigned components_read = nir_intrinsic_src_components(instr, i);
+
+ validate_num_components(state, components_read);
+
+ validate_src(&instr->src[i], state, src_bit_sizes[i], components_read);
+ }
+
+ if (nir_intrinsic_infos[instr->intrinsic].has_dest) {
+ unsigned components_written = nir_intrinsic_dest_components(instr);
+ unsigned bit_sizes = nir_intrinsic_infos[instr->intrinsic].dest_bit_sizes;
+
+ validate_num_components(state, components_written);
+ if (dest_bit_size && bit_sizes)
+ validate_assert(state, dest_bit_size & bit_sizes);
+ else
+ dest_bit_size = dest_bit_size ? dest_bit_size : bit_sizes;
+
+ validate_dest(&instr->dest, state, dest_bit_size, components_written);
+ }
+
+ if (!vectorized_intrinsic(instr))
+ validate_assert(state, instr->num_components == 0);
}
static void
for (unsigned i = 0; i < instr->num_srcs; i++) {
validate_assert(state, !src_type_seen[instr->src[i].src_type]);
src_type_seen[instr->src[i].src_type] = true;
- validate_src(&instr->src[i].src, state);
+ validate_src(&instr->src[i].src, state,
+ 0, nir_tex_instr_src_size(instr, i));
+
+ switch (instr->src[i].src_type) {
+ case nir_tex_src_texture_deref:
+ case nir_tex_src_sampler_deref:
+ validate_assert(state, instr->src[i].src.is_ssa);
+ validate_assert(state,
+ instr->src[i].src.ssa->parent_instr->type == nir_instr_type_deref);
+ break;
+ default:
+ break;
+ }
}
- if (instr->texture != NULL)
- validate_deref_var(instr, instr->texture, state);
-
- if (instr->sampler != NULL)
- validate_deref_var(instr, instr->sampler, state);
+ if (nir_tex_instr_has_explicit_tg4_offsets(instr)) {
+ validate_assert(state, instr->op == nir_texop_tg4);
+ validate_assert(state, !src_type_seen[nir_tex_src_offset]);
+ }
- validate_dest(&instr->dest, state);
+ validate_dest(&instr->dest, state, 0, nir_tex_instr_dest_size(instr));
}
static void
validate_call_instr(nir_call_instr *instr, validate_state *state)
{
- if (instr->return_deref == NULL) {
- validate_assert(state, glsl_type_is_void(instr->callee->return_type));
- } else {
- validate_assert(state, instr->return_deref->deref.type == instr->callee->return_type);
- validate_deref_var(instr, instr->return_deref, state);
- }
-
validate_assert(state, instr->num_params == instr->callee->num_params);
for (unsigned i = 0; i < instr->num_params; i++) {
- validate_assert(state, instr->callee->params[i].type == instr->params[i]->deref.type);
- validate_deref_var(instr, instr->params[i], state);
+ validate_src(&instr->params[i], state,
+ instr->callee->params[i].bit_size,
+ instr->callee->params[i].num_components);
}
}
+static void
+validate_const_value(nir_const_value *val, unsigned bit_size,
+ validate_state *state)
+{
+ /* In order for block copies to work properly for things like instruction
+ * comparisons and [de]serialization, we require the unused bits of the
+ * nir_const_value to be zero.
+ */
+ nir_const_value cmp_val;
+ memset(&cmp_val, 0, sizeof(cmp_val));
+ switch (bit_size) {
+ case 1:
+ cmp_val.b = val->b;
+ break;
+ case 8:
+ cmp_val.u8 = val->u8;
+ break;
+ case 16:
+ cmp_val.u16 = val->u16;
+ break;
+ case 32:
+ cmp_val.u32 = val->u32;
+ break;
+ case 64:
+ cmp_val.u64 = val->u64;
+ break;
+ default:
+ validate_assert(state, !"Invalid load_const bit size");
+ }
+ validate_assert(state, memcmp(val, &cmp_val, sizeof(cmp_val)) == 0);
+}
+
static void
validate_load_const_instr(nir_load_const_instr *instr, validate_state *state)
{
validate_ssa_def(&instr->def, state);
+
+ for (unsigned i = 0; i < instr->def.num_components; i++)
+ validate_const_value(&instr->value[i], instr->def.bit_size, state);
}
static void
* basic blocks, to avoid validating an SSA use before its definition.
*/
- validate_dest(&instr->dest, state);
+ validate_dest(&instr->dest, state, 0, 0);
exec_list_validate(&instr->srcs);
validate_assert(state, exec_list_length(&instr->srcs) ==
state->block->predecessors->entries);
}
+static void
+validate_jump_instr(nir_jump_instr *instr, validate_state *state)
+{
+ nir_block *block = state->block;
+ validate_assert(state, &instr->instr == nir_block_last_instr(block));
+
+ switch (instr->type) {
+ case nir_jump_return:
+ validate_assert(state, block->successors[0] == state->impl->end_block);
+ validate_assert(state, block->successors[1] == NULL);
+ validate_assert(state, instr->target == NULL);
+ validate_assert(state, instr->else_target == NULL);
+ break;
+
+ case nir_jump_break:
+ validate_assert(state, state->impl->structured);
+ validate_assert(state, state->loop != NULL);
+ if (state->loop) {
+ nir_block *after =
+ nir_cf_node_as_block(nir_cf_node_next(&state->loop->cf_node));
+ validate_assert(state, block->successors[0] == after);
+ }
+ validate_assert(state, block->successors[1] == NULL);
+ validate_assert(state, instr->target == NULL);
+ validate_assert(state, instr->else_target == NULL);
+ break;
+
+ case nir_jump_continue:
+ validate_assert(state, state->impl->structured);
+ validate_assert(state, state->loop != NULL);
+ if (state->loop) {
+ nir_block *first = nir_loop_first_block(state->loop);
+ validate_assert(state, block->successors[0] == first);
+ }
+ validate_assert(state, block->successors[1] == NULL);
+ validate_assert(state, instr->target == NULL);
+ validate_assert(state, instr->else_target == NULL);
+ break;
+
+ case nir_jump_goto:
+ validate_assert(state, !state->impl->structured);
+ validate_assert(state, instr->target == block->successors[0]);
+ validate_assert(state, instr->target != NULL);
+ validate_assert(state, instr->else_target == NULL);
+ break;
+
+ case nir_jump_goto_if:
+ validate_assert(state, !state->impl->structured);
+ validate_assert(state, instr->target == block->successors[1]);
+ validate_assert(state, instr->else_target == block->successors[0]);
+ validate_src(&instr->condition, state, 0, 1);
+ validate_assert(state, instr->target != NULL);
+ validate_assert(state, instr->else_target != NULL);
+ break;
+
+ default:
+ validate_assert(state, !"Invalid jump instruction type");
+ break;
+ }
+}
+
static void
validate_instr(nir_instr *instr, validate_state *state)
{
validate_alu_instr(nir_instr_as_alu(instr), state);
break;
+ case nir_instr_type_deref:
+ validate_deref_instr(nir_instr_as_deref(instr), state);
+ break;
+
case nir_instr_type_call:
validate_call_instr(nir_instr_as_call(instr), state);
break;
break;
case nir_instr_type_jump:
+ validate_jump_instr(nir_instr_as_jump(instr), state);
break;
default:
nir_foreach_phi_src(src, instr) {
if (src->pred == pred) {
validate_assert(state, src->src.is_ssa);
- validate_assert(state, src->src.ssa->num_components ==
- instr->dest.ssa.num_components);
-
- validate_src(&src->src, state);
+ validate_src(&src->src, state, instr->dest.ssa.bit_size,
+ instr->dest.ssa.num_components);
state->instr = NULL;
return;
}
}
-
- abort();
+ validate_assert(state, !"Phi does not have a source corresponding to one "
+ "of its predecessor blocks");
}
static void
nir_instr_prev(instr)->type == nir_instr_type_phi);
}
- if (instr->type == nir_instr_type_jump) {
- validate_assert(state, instr == nir_block_last_instr(block));
- }
-
validate_instr(instr, state);
}
}
}
- struct set_entry *entry;
set_foreach(block->predecessors, entry) {
const nir_block *pred = entry->key;
validate_assert(state, pred->successors[0] == block ||
pred->successors[1] == block);
}
- if (!exec_list_is_empty(&block->instr_list) &&
- nir_block_last_instr(block)->type == nir_instr_type_jump) {
- validate_assert(state, block->successors[1] == NULL);
- nir_jump_instr *jump = nir_instr_as_jump(nir_block_last_instr(block));
- switch (jump->type) {
- case nir_jump_break: {
- nir_block *after =
- nir_cf_node_as_block(nir_cf_node_next(&state->loop->cf_node));
- validate_assert(state, block->successors[0] == after);
- break;
- }
-
- case nir_jump_continue: {
- nir_block *first =
- nir_cf_node_as_block(nir_loop_first_cf_node(state->loop));
- validate_assert(state, block->successors[0] == first);
- break;
- }
-
- case nir_jump_return:
- validate_assert(state, block->successors[0] == state->impl->end_block);
- break;
-
- default:
- unreachable("bad jump type");
- }
- } else {
+ if (!state->impl->structured) {
+ validate_assert(state, nir_block_ends_in_jump(block));
+ } else if (!nir_block_ends_in_jump(block)) {
nir_cf_node *next = nir_cf_node_next(&block->cf_node);
if (next == NULL) {
switch (state->parent_node->type) {
case nir_cf_node_loop: {
- nir_block *first =
- nir_cf_node_as_block(nir_loop_first_cf_node(state->loop));
+ nir_block *first = nir_loop_first_block(state->loop);
validate_assert(state, block->successors[0] == first);
/* due to the hack for infinite loops, block->successors[1] may
* point to the block after the loop.
} else {
if (next->type == nir_cf_node_if) {
nir_if *if_stmt = nir_cf_node_as_if(next);
- validate_assert(state, &block->successors[0]->cf_node ==
- nir_if_first_then_node(if_stmt));
- validate_assert(state, &block->successors[1]->cf_node ==
- nir_if_first_else_node(if_stmt));
- } else {
- validate_assert(state, next->type == nir_cf_node_loop);
+ validate_assert(state, block->successors[0] ==
+ nir_if_first_then_block(if_stmt));
+ validate_assert(state, block->successors[1] ==
+ nir_if_first_else_block(if_stmt));
+ } else if (next->type == nir_cf_node_loop) {
nir_loop *loop = nir_cf_node_as_loop(next);
- validate_assert(state, &block->successors[0]->cf_node ==
- nir_loop_first_cf_node(loop));
+ validate_assert(state, block->successors[0] ==
+ nir_loop_first_block(loop));
validate_assert(state, block->successors[1] == NULL);
+ } else {
+ validate_assert(state,
+ !"Structured NIR cannot have consecutive blocks");
}
}
}
static void
validate_if(nir_if *if_stmt, validate_state *state)
{
+ validate_assert(state, state->impl->structured);
+
state->if_stmt = if_stmt;
validate_assert(state, !exec_node_is_head_sentinel(if_stmt->cf_node.node.prev));
nir_cf_node *next_node = nir_cf_node_next(&if_stmt->cf_node);
validate_assert(state, next_node->type == nir_cf_node_block);
- validate_src(&if_stmt->condition, state);
+ validate_src(&if_stmt->condition, state, 0, 1);
validate_assert(state, !exec_list_is_empty(&if_stmt->then_list));
validate_assert(state, !exec_list_is_empty(&if_stmt->else_list));
static void
validate_loop(nir_loop *loop, validate_state *state)
{
+ validate_assert(state, state->impl->structured);
+
validate_assert(state, !exec_node_is_head_sentinel(loop->cf_node.node.prev));
nir_cf_node *prev_node = nir_cf_node_prev(&loop->cf_node);
validate_assert(state, prev_node->type == nir_cf_node_block);
}
static void
-prevalidate_reg_decl(nir_register *reg, bool is_global, validate_state *state)
+prevalidate_reg_decl(nir_register *reg, validate_state *state)
{
- validate_assert(state, reg->is_global == is_global);
-
- if (is_global)
- validate_assert(state, reg->index < state->shader->reg_alloc);
- else
- validate_assert(state, reg->index < state->impl->reg_alloc);
+ validate_assert(state, reg->index < state->impl->reg_alloc);
validate_assert(state, !BITSET_TEST(state->regs_found, reg->index));
+ validate_num_components(state, reg->num_components);
BITSET_SET(state->regs_found, reg->index);
list_validate(®->uses);
list_validate(®->if_uses);
reg_validate_state *reg_state = ralloc(state->regs, reg_validate_state);
- reg_state->uses = _mesa_set_create(reg_state, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- reg_state->if_uses = _mesa_set_create(reg_state, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- reg_state->defs = _mesa_set_create(reg_state, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
+ reg_state->uses = _mesa_pointer_set_create(reg_state);
+ reg_state->if_uses = _mesa_pointer_set_create(reg_state);
+ reg_state->defs = _mesa_pointer_set_create(reg_state);
- reg_state->where_defined = is_global ? NULL : state->impl;
+ reg_state->where_defined = state->impl;
_mesa_hash_table_insert(state->regs, reg, reg_state);
}
validate_assert(state, entry);
_mesa_set_remove(reg_state->uses, entry);
}
-
- if (reg_state->uses->entries != 0) {
- printf("extra entries in register uses:\n");
- struct set_entry *entry;
- set_foreach(reg_state->uses, entry)
- printf("%p\n", entry->key);
-
- abort();
- }
+ validate_assert(state, reg_state->uses->entries == 0);
nir_foreach_if_use(src, reg) {
struct set_entry *entry = _mesa_set_search(reg_state->if_uses, src);
validate_assert(state, entry);
_mesa_set_remove(reg_state->if_uses, entry);
}
-
- if (reg_state->if_uses->entries != 0) {
- printf("extra entries in register if_uses:\n");
- struct set_entry *entry;
- set_foreach(reg_state->if_uses, entry)
- printf("%p\n", entry->key);
-
- abort();
- }
+ validate_assert(state, reg_state->if_uses->entries == 0);
nir_foreach_def(src, reg) {
struct set_entry *entry = _mesa_set_search(reg_state->defs, src);
validate_assert(state, entry);
_mesa_set_remove(reg_state->defs, entry);
}
-
- if (reg_state->defs->entries != 0) {
- printf("extra entries in register defs:\n");
- struct set_entry *entry;
- set_foreach(reg_state->defs, entry)
- printf("%p\n", entry->key);
-
- abort();
- }
+ validate_assert(state, reg_state->defs->entries == 0);
}
static void
-validate_var_decl(nir_variable *var, bool is_global, validate_state *state)
+validate_var_decl(nir_variable *var, nir_variable_mode valid_modes,
+ validate_state *state)
{
state->var = var;
- validate_assert(state, is_global == nir_variable_is_global(var));
-
/* Must have exactly one mode set */
- validate_assert(state, util_bitcount(var->data.mode) == 1);
+ validate_assert(state, util_is_power_of_two_nonzero(var->data.mode));
+ validate_assert(state, var->data.mode & valid_modes);
- /*
- * TODO validate some things ir_validate.cpp does (requires more GLSL type
- * support)
- */
-
- if (!is_global) {
- _mesa_hash_table_insert(state->var_defs, var, state->impl);
- }
-
- state->var = NULL;
-}
+ if (var->data.compact) {
+ /* The "compact" flag is only valid on arrays of scalars. */
+ assert(glsl_type_is_array(var->type));
-static bool
-postvalidate_ssa_def(nir_ssa_def *def, void *void_state)
-{
- validate_state *state = void_state;
-
- struct hash_entry *entry = _mesa_hash_table_search(state->ssa_defs, def);
-
- assume(entry);
- ssa_def_validate_state *def_state = (ssa_def_validate_state *)entry->data;
-
- nir_foreach_use(src, def) {
- struct set_entry *entry = _mesa_set_search(def_state->uses, src);
- validate_assert(state, entry);
- _mesa_set_remove(def_state->uses, entry);
+ const struct glsl_type *type = glsl_get_array_element(var->type);
+ if (nir_is_per_vertex_io(var, state->shader->info.stage)) {
+ assert(glsl_type_is_array(type));
+ assert(glsl_type_is_scalar(glsl_get_array_element(type)));
+ } else {
+ assert(glsl_type_is_scalar(type));
+ }
}
- if (def_state->uses->entries != 0) {
- printf("extra entries in register uses:\n");
- struct set_entry *entry;
- set_foreach(def_state->uses, entry)
- printf("%p\n", entry->key);
-
- abort();
+ if (var->num_members > 0) {
+ const struct glsl_type *without_array = glsl_without_array(var->type);
+ validate_assert(state, glsl_type_is_struct_or_ifc(without_array));
+ validate_assert(state, var->num_members == glsl_get_length(without_array));
+ validate_assert(state, var->members != NULL);
}
- nir_foreach_if_use(src, def) {
- struct set_entry *entry = _mesa_set_search(def_state->if_uses, src);
- validate_assert(state, entry);
- _mesa_set_remove(def_state->if_uses, entry);
- }
+ if (var->data.per_view)
+ validate_assert(state, glsl_type_is_array(var->type));
- if (def_state->if_uses->entries != 0) {
- printf("extra entries in register uses:\n");
- struct set_entry *entry;
- set_foreach(def_state->if_uses, entry)
- printf("%p\n", entry->key);
+ /*
+ * TODO validate some things ir_validate.cpp does (requires more GLSL type
+ * support)
+ */
- abort();
- }
+ _mesa_hash_table_insert(state->var_defs, var,
+ valid_modes == nir_var_function_temp ?
+ state->impl : NULL);
- return true;
+ state->var = NULL;
}
static void
validate_function_impl(nir_function_impl *impl, validate_state *state)
{
+ /* Resize the ssa_srcs set. It's likely that the size of this set will
+ * never actually hit the number of SSA defs because we remove sources from
+ * the set as we visit them. (It could actually be much larger because
+ * each SSA def can be used more than once.) However, growing it now costs
+ * us very little (the extra memory is already dwarfed by the SSA defs
+ * themselves) and makes collisions much less likely.
+ */
+ _mesa_set_resize(state->ssa_srcs, impl->ssa_alloc);
+
validate_assert(state, impl->function->impl == impl);
validate_assert(state, impl->cf_node.parent == NULL);
- validate_assert(state, impl->num_params == impl->function->num_params);
- for (unsigned i = 0; i < impl->num_params; i++) {
- validate_assert(state, impl->params[i]->type == impl->function->params[i].type);
- validate_assert(state, impl->params[i]->data.mode == nir_var_param);
- validate_assert(state, impl->params[i]->data.location == i);
- validate_var_decl(impl->params[i], false, state);
- }
-
- if (glsl_type_is_void(impl->function->return_type)) {
- validate_assert(state, impl->return_var == NULL);
- } else {
- validate_assert(state, impl->return_var->type == impl->function->return_type);
- validate_assert(state, impl->return_var->data.mode == nir_var_param);
- validate_assert(state, impl->return_var->data.location == -1);
- validate_var_decl(impl->return_var, false, state);
- }
-
validate_assert(state, exec_list_is_empty(&impl->end_block->instr_list));
validate_assert(state, impl->end_block->successors[0] == NULL);
validate_assert(state, impl->end_block->successors[1] == NULL);
state->parent_node = &impl->cf_node;
exec_list_validate(&impl->locals);
- nir_foreach_variable(var, &impl->locals) {
- validate_var_decl(var, false, state);
+ nir_foreach_function_temp_variable(var, impl) {
+ validate_var_decl(var, nir_var_function_temp, state);
}
- state->regs_found = realloc(state->regs_found,
- BITSET_WORDS(impl->reg_alloc) *
- sizeof(BITSET_WORD));
+ state->regs_found = reralloc(state->mem_ctx, state->regs_found,
+ BITSET_WORD, BITSET_WORDS(impl->reg_alloc));
memset(state->regs_found, 0, BITSET_WORDS(impl->reg_alloc) *
sizeof(BITSET_WORD));
exec_list_validate(&impl->registers);
foreach_list_typed(nir_register, reg, node, &impl->registers) {
- prevalidate_reg_decl(reg, false, state);
+ prevalidate_reg_decl(reg, state);
}
- state->ssa_defs_found = realloc(state->ssa_defs_found,
- BITSET_WORDS(impl->ssa_alloc) *
- sizeof(BITSET_WORD));
+ state->ssa_defs_found = reralloc(state->mem_ctx, state->ssa_defs_found,
+ BITSET_WORD, BITSET_WORDS(impl->ssa_alloc));
memset(state->ssa_defs_found, 0, BITSET_WORDS(impl->ssa_alloc) *
sizeof(BITSET_WORD));
exec_list_validate(&impl->body);
postvalidate_reg_decl(reg, state);
}
- nir_foreach_block(block, impl) {
- nir_foreach_instr(instr, block)
- nir_foreach_ssa_def(instr, postvalidate_ssa_def, state);
- }
+ validate_assert(state, state->ssa_srcs->entries == 0);
+ _mesa_set_clear(state->ssa_srcs, NULL);
}
static void
static void
init_validate_state(validate_state *state)
{
- state->regs = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- state->ssa_defs = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
+ state->mem_ctx = ralloc_context(NULL);
+ state->regs = _mesa_pointer_hash_table_create(state->mem_ctx);
+ state->ssa_srcs = _mesa_pointer_set_create(state->mem_ctx);
state->ssa_defs_found = NULL;
state->regs_found = NULL;
- state->var_defs = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- state->errors = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
+ state->var_defs = _mesa_pointer_hash_table_create(state->mem_ctx);
+ state->errors = _mesa_pointer_hash_table_create(state->mem_ctx);
state->loop = NULL;
state->instr = NULL;
static void
destroy_validate_state(validate_state *state)
{
- _mesa_hash_table_destroy(state->regs, NULL);
- _mesa_hash_table_destroy(state->ssa_defs, NULL);
- free(state->ssa_defs_found);
- free(state->regs_found);
- _mesa_hash_table_destroy(state->var_defs, NULL);
- _mesa_hash_table_destroy(state->errors, NULL);
+ ralloc_free(state->mem_ctx);
}
+mtx_t fail_dump_mutex = _MTX_INITIALIZER_NP;
+
static void
-dump_errors(validate_state *state)
+dump_errors(validate_state *state, const char *when)
{
struct hash_table *errors = state->errors;
- fprintf(stderr, "%d errors:\n", _mesa_hash_table_num_entries(errors));
+ /* Lock around dumping so that we get clean dumps in a multi-threaded
+ * scenario
+ */
+ mtx_lock(&fail_dump_mutex);
+
+ if (when) {
+ fprintf(stderr, "NIR validation failed %s\n", when);
+ fprintf(stderr, "%d errors:\n", _mesa_hash_table_num_entries(errors));
+ } else {
+ fprintf(stderr, "NIR validation failed with %d errors:\n",
+ _mesa_hash_table_num_entries(errors));
+ }
nir_print_shader_annotated(state->shader, stderr, errors);
if (_mesa_hash_table_num_entries(errors) > 0) {
fprintf(stderr, "%d additional errors:\n",
_mesa_hash_table_num_entries(errors));
- struct hash_entry *entry;
hash_table_foreach(errors, entry) {
fprintf(stderr, "%s\n", (char *)entry->data);
}
}
+ mtx_unlock(&fail_dump_mutex);
+
abort();
}
void
-nir_validate_shader(nir_shader *shader)
+nir_validate_shader(nir_shader *shader, const char *when)
{
+ static int should_validate = -1;
+ if (should_validate < 0)
+ should_validate = env_var_as_boolean("NIR_VALIDATE", true);
+ if (!should_validate)
+ return;
+
validate_state state;
init_validate_state(&state);
state.shader = shader;
- exec_list_validate(&shader->uniforms);
- nir_foreach_variable(var, &shader->uniforms) {
- validate_var_decl(var, true, &state);
- }
-
- exec_list_validate(&shader->inputs);
- nir_foreach_variable(var, &shader->inputs) {
- validate_var_decl(var, true, &state);
- }
-
- exec_list_validate(&shader->outputs);
- nir_foreach_variable(var, &shader->outputs) {
- validate_var_decl(var, true, &state);
- }
-
- exec_list_validate(&shader->shared);
- nir_foreach_variable(var, &shader->shared) {
- validate_var_decl(var, true, &state);
- }
-
- exec_list_validate(&shader->globals);
- nir_foreach_variable(var, &shader->globals) {
- validate_var_decl(var, true, &state);
- }
-
- exec_list_validate(&shader->system_values);
- nir_foreach_variable(var, &shader->system_values) {
- validate_var_decl(var, true, &state);
- }
-
- state.regs_found = realloc(state.regs_found,
- BITSET_WORDS(shader->reg_alloc) *
- sizeof(BITSET_WORD));
- memset(state.regs_found, 0, BITSET_WORDS(shader->reg_alloc) *
- sizeof(BITSET_WORD));
- exec_list_validate(&shader->registers);
- foreach_list_typed(nir_register, reg, node, &shader->registers) {
- prevalidate_reg_decl(reg, true, &state);
- }
+ nir_variable_mode valid_modes =
+ nir_var_shader_in |
+ nir_var_shader_out |
+ nir_var_shader_temp |
+ nir_var_uniform |
+ nir_var_mem_ubo |
+ nir_var_system_value |
+ nir_var_mem_ssbo |
+ nir_var_mem_shared |
+ nir_var_mem_constant;
+
+ exec_list_validate(&shader->variables);
+ nir_foreach_variable_in_shader(var, shader)
+ validate_var_decl(var, valid_modes, &state);
exec_list_validate(&shader->functions);
foreach_list_typed(nir_function, func, node, &shader->functions) {
validate_function(func, &state);
}
- foreach_list_typed(nir_register, reg, node, &shader->registers) {
- postvalidate_reg_decl(reg, &state);
- }
-
if (_mesa_hash_table_num_entries(state.errors) > 0)
- dump_errors(&state);
+ dump_errors(&state, when);
destroy_validate_state(&state);
}
projects / mesa.git / blobdiff