vtn_undef_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
{
struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
- val->type = type;
+ val->type = glsl_get_bare_type(type);
if (glsl_type_is_vector_or_scalar(type)) {
unsigned num_components = glsl_get_vector_elements(val->type);
} else {
unsigned elems = glsl_get_length(val->type);
val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
- if (glsl_type_is_matrix(type)) {
- const struct glsl_type *elem_type =
- glsl_vector_type(glsl_get_base_type(type),
- glsl_get_vector_elements(type));
-
- for (unsigned i = 0; i < elems; i++)
- val->elems[i] = vtn_undef_ssa_value(b, elem_type);
- } else if (glsl_type_is_array(type)) {
+ if (glsl_type_is_array_or_matrix(type)) {
const struct glsl_type *elem_type = glsl_get_array_element(type);
for (unsigned i = 0; i < elems; i++)
val->elems[i] = vtn_undef_ssa_value(b, elem_type);
} else {
+ vtn_assert(glsl_type_is_struct_or_ifc(type));
for (unsigned i = 0; i < elems; i++) {
const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
val->elems[i] = vtn_undef_ssa_value(b, elem_type);
return entry->data;
struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
- val->type = type;
-
- switch (glsl_get_base_type(type)) {
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT16:
- case GLSL_TYPE_UINT16:
- case GLSL_TYPE_UINT8:
- case GLSL_TYPE_INT8:
- case GLSL_TYPE_INT64:
- case GLSL_TYPE_UINT64:
- case GLSL_TYPE_BOOL:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_FLOAT16:
- case GLSL_TYPE_DOUBLE: {
- int bit_size = glsl_get_bit_size(type);
- if (glsl_type_is_vector_or_scalar(type)) {
- unsigned num_components = glsl_get_vector_elements(val->type);
- nir_load_const_instr *load =
- nir_load_const_instr_create(b->shader, num_components, bit_size);
-
- memcpy(load->value, constant->values,
- sizeof(nir_const_value) * load->def.num_components);
-
- nir_instr_insert_before_cf_list(&b->nb.impl->body, &load->instr);
- val->def = &load->def;
- } else {
- assert(glsl_type_is_matrix(type));
- unsigned columns = glsl_get_matrix_columns(val->type);
- val->elems = ralloc_array(b, struct vtn_ssa_value *, columns);
- const struct glsl_type *column_type = glsl_get_column_type(val->type);
- for (unsigned i = 0; i < columns; i++)
- val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
- column_type);
- }
- break;
- }
+ val->type = glsl_get_bare_type(type);
- case GLSL_TYPE_ARRAY: {
- unsigned elems = glsl_get_length(val->type);
- val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
- const struct glsl_type *elem_type = glsl_get_array_element(val->type);
- for (unsigned i = 0; i < elems; i++)
- val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
- elem_type);
- break;
- }
+ if (glsl_type_is_vector_or_scalar(type)) {
+ unsigned num_components = glsl_get_vector_elements(val->type);
+ unsigned bit_size = glsl_get_bit_size(type);
+ nir_load_const_instr *load =
+ nir_load_const_instr_create(b->shader, num_components, bit_size);
+
+ memcpy(load->value, constant->values,
+ sizeof(nir_const_value) * num_components);
- case GLSL_TYPE_STRUCT: {
+ nir_instr_insert_before_cf_list(&b->nb.impl->body, &load->instr);
+ val->def = &load->def;
+ } else {
unsigned elems = glsl_get_length(val->type);
val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
- for (unsigned i = 0; i < elems; i++) {
- const struct glsl_type *elem_type =
- glsl_get_struct_field(val->type, i);
- val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
- elem_type);
+ if (glsl_type_is_array_or_matrix(type)) {
+ const struct glsl_type *elem_type = glsl_get_array_element(type);
+ for (unsigned i = 0; i < elems; i++) {
+ val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
+ elem_type);
+ }
+ } else {
+ vtn_assert(glsl_type_is_struct_or_ifc(type));
+ for (unsigned i = 0; i < elems; i++) {
+ const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
+ val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
+ elem_type);
+ }
}
- break;
- }
-
- default:
- vtn_fail("bad constant type");
}
return val;
}
}
+struct vtn_value *
+vtn_push_ssa_value(struct vtn_builder *b, uint32_t value_id,
+ struct vtn_ssa_value *ssa)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+
+ /* See vtn_create_ssa_value */
+ vtn_fail_if(ssa->type != glsl_get_bare_type(type->type),
+ "Type mismatch for SPIR-V SSA value");
+
+ struct vtn_value *val;
+ if (type->base_type == vtn_base_type_pointer) {
+ val = vtn_push_pointer(b, value_id, vtn_pointer_from_ssa(b, ssa->def, type));
+ } else {
+ /* Don't trip the value_type_ssa check in vtn_push_value */
+ val = vtn_push_value(b, value_id, vtn_value_type_invalid);
+ val->value_type = vtn_value_type_ssa;
+ val->ssa = ssa;
+ }
+
+ return val;
+}
+
+nir_ssa_def *
+vtn_get_nir_ssa(struct vtn_builder *b, uint32_t value_id)
+{
+ struct vtn_ssa_value *ssa = vtn_ssa_value(b, value_id);
+ vtn_fail_if(!glsl_type_is_vector_or_scalar(ssa->type),
+ "Expected a vector or scalar type");
+ return ssa->def;
+}
+
+struct vtn_value *
+vtn_push_nir_ssa(struct vtn_builder *b, uint32_t value_id, nir_ssa_def *def)
+{
+ /* Types for all SPIR-V SSA values are set as part of a pre-pass so the
+ * type will be valid by the time we get here.
+ */
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_fail_if(def->num_components != glsl_get_vector_elements(type->type) ||
+ def->bit_size != glsl_get_bit_size(type->type),
+ "Mismatch between NIR and SPIR-V type.");
+ struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, type->type);
+ ssa->def = def;
+ return vtn_push_ssa_value(b, value_id, ssa);
+}
+
+static nir_deref_instr *
+vtn_get_image(struct vtn_builder *b, uint32_t value_id)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_assert(type->base_type == vtn_base_type_image);
+ return nir_build_deref_cast(&b->nb, vtn_get_nir_ssa(b, value_id),
+ nir_var_uniform, type->glsl_image, 0);
+}
+
+static void
+vtn_push_image(struct vtn_builder *b, uint32_t value_id,
+ nir_deref_instr *deref)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_assert(type->base_type == vtn_base_type_image);
+ vtn_push_nir_ssa(b, value_id, &deref->dest.ssa);
+}
+
+static nir_deref_instr *
+vtn_get_sampler(struct vtn_builder *b, uint32_t value_id)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_assert(type->base_type == vtn_base_type_sampler);
+ return nir_build_deref_cast(&b->nb, vtn_get_nir_ssa(b, value_id),
+ nir_var_uniform, glsl_bare_sampler_type(), 0);
+}
+
+nir_ssa_def *
+vtn_sampled_image_to_nir_ssa(struct vtn_builder *b,
+ struct vtn_sampled_image si)
+{
+ return nir_vec2(&b->nb, &si.image->dest.ssa, &si.sampler->dest.ssa);
+}
+
+static void
+vtn_push_sampled_image(struct vtn_builder *b, uint32_t value_id,
+ struct vtn_sampled_image si)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_assert(type->base_type == vtn_base_type_sampled_image);
+ vtn_push_nir_ssa(b, value_id, vtn_sampled_image_to_nir_ssa(b, si));
+}
+
+static struct vtn_sampled_image
+vtn_get_sampled_image(struct vtn_builder *b, uint32_t value_id)
+{
+ struct vtn_type *type = vtn_get_value_type(b, value_id);
+ vtn_assert(type->base_type == vtn_base_type_sampled_image);
+ nir_ssa_def *si_vec2 = vtn_get_nir_ssa(b, value_id);
+
+ struct vtn_sampled_image si = { NULL, };
+ si.image = nir_build_deref_cast(&b->nb, nir_channel(&b->nb, si_vec2, 0),
+ nir_var_uniform,
+ type->image->glsl_image, 0);
+ si.sampler = nir_build_deref_cast(&b->nb, nir_channel(&b->nb, si_vec2, 1),
+ nir_var_uniform,
+ glsl_bare_sampler_type(), 0);
+ return si;
+}
+
static char *
vtn_string_literal(struct vtn_builder *b, const uint32_t *words,
unsigned word_count, unsigned *words_used)
return dest;
}
+static const struct glsl_type *
+wrap_type_in_array(const struct glsl_type *type,
+ const struct glsl_type *array_type)
+{
+ if (!glsl_type_is_array(array_type))
+ return type;
+
+ const struct glsl_type *elem_type =
+ wrap_type_in_array(type, glsl_get_array_element(array_type));
+ return glsl_array_type(elem_type, glsl_get_length(array_type),
+ glsl_get_explicit_stride(array_type));
+}
+
+static bool
+vtn_type_needs_explicit_layout(struct vtn_builder *b, enum vtn_variable_mode mode)
+{
+ /* For OpenCL we never want to strip the info from the types, and it makes
+ * type comparisons easier in later stages.
+ */
+ if (b->options->environment == NIR_SPIRV_OPENCL)
+ return true;
+
+ switch (mode) {
+ case vtn_variable_mode_input:
+ case vtn_variable_mode_output:
+ /* Layout decorations kept because we need offsets for XFB arrays of
+ * blocks.
+ */
+ return b->shader->info.has_transform_feedback_varyings;
+
+ case vtn_variable_mode_ssbo:
+ case vtn_variable_mode_phys_ssbo:
+ case vtn_variable_mode_ubo:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+const struct glsl_type *
+vtn_type_get_nir_type(struct vtn_builder *b, struct vtn_type *type,
+ enum vtn_variable_mode mode)
+{
+ if (mode == vtn_variable_mode_atomic_counter) {
+ vtn_fail_if(glsl_without_array(type->type) != glsl_uint_type(),
+ "Variables in the AtomicCounter storage class should be "
+ "(possibly arrays of arrays of) uint.");
+ return wrap_type_in_array(glsl_atomic_uint_type(), type->type);
+ }
+
+ if (mode == vtn_variable_mode_uniform) {
+ switch (type->base_type) {
+ case vtn_base_type_array: {
+ const struct glsl_type *elem_type =
+ vtn_type_get_nir_type(b, type->array_element, mode);
+
+ return glsl_array_type(elem_type, type->length,
+ glsl_get_explicit_stride(type->type));
+ }
+
+ case vtn_base_type_struct: {
+ bool need_new_struct = false;
+ const uint32_t num_fields = type->length;
+ NIR_VLA(struct glsl_struct_field, fields, num_fields);
+ for (unsigned i = 0; i < num_fields; i++) {
+ fields[i] = *glsl_get_struct_field_data(type->type, i);
+ const struct glsl_type *field_nir_type =
+ vtn_type_get_nir_type(b, type->members[i], mode);
+ if (fields[i].type != field_nir_type) {
+ fields[i].type = field_nir_type;
+ need_new_struct = true;
+ }
+ }
+ if (need_new_struct) {
+ if (glsl_type_is_interface(type->type)) {
+ return glsl_interface_type(fields, num_fields,
+ /* packing */ 0, false,
+ glsl_get_type_name(type->type));
+ } else {
+ return glsl_struct_type(fields, num_fields,
+ glsl_get_type_name(type->type),
+ glsl_struct_type_is_packed(type->type));
+ }
+ } else {
+ /* No changes, just pass it on */
+ return type->type;
+ }
+ }
+
+ case vtn_base_type_image:
+ return type->glsl_image;
+
+ case vtn_base_type_sampler:
+ return glsl_bare_sampler_type();
+
+ case vtn_base_type_sampled_image:
+ return type->image->glsl_image;
+
+ default:
+ return type->type;
+ }
+ }
+
+ /* Layout decorations are allowed but ignored in certain conditions,
+ * to allow SPIR-V generators perform type deduplication. Discard
+ * unnecessary ones when passing to NIR.
+ */
+ if (!vtn_type_needs_explicit_layout(b, mode))
+ return glsl_get_bare_type(type->type);
+
+ return type->type;
+}
+
static struct vtn_type *
mutable_matrix_member(struct vtn_builder *b, struct vtn_type *type, int member)
{
break;
case SpvDecorationUserSemantic:
+ case SpvDecorationUserTypeGOOGLE:
/* User semantic decorations can safely be ignored by the driver. */
break;
spirv_decoration_to_string(dec->decoration));
break;
+ case SpvDecorationUserTypeGOOGLE:
+ /* User semantic decorations can safely be ignored by the driver. */
+ break;
+
default:
vtn_fail_with_decoration("Unhandled decoration", dec->decoration);
}
}
case SpvOpTypeVector: {
- struct vtn_type *base = vtn_value(b, w[2], vtn_value_type_type)->type;
+ struct vtn_type *base = vtn_get_type(b, w[2]);
unsigned elems = w[3];
vtn_fail_if(base->base_type != vtn_base_type_scalar,
}
case SpvOpTypeMatrix: {
- struct vtn_type *base = vtn_value(b, w[2], vtn_value_type_type)->type;
+ struct vtn_type *base = vtn_get_type(b, w[2]);
unsigned columns = w[3];
vtn_fail_if(base->base_type != vtn_base_type_vector,
case SpvOpTypeRuntimeArray:
case SpvOpTypeArray: {
- struct vtn_type *array_element =
- vtn_value(b, w[2], vtn_value_type_type)->type;
+ struct vtn_type *array_element = vtn_get_type(b, w[2]);
if (opcode == SpvOpTypeRuntimeArray) {
/* A length of 0 is used to denote unsized arrays */
NIR_VLA(struct glsl_struct_field, fields, count);
for (unsigned i = 0; i < num_fields; i++) {
- val->type->members[i] =
- vtn_value(b, w[i + 2], vtn_value_type_type)->type;
+ val->type->members[i] = vtn_get_type(b, w[i + 2]);
fields[i] = (struct glsl_struct_field) {
.type = val->type->members[i]->type,
.name = ralloc_asprintf(b, "field%d", i),
val->type->base_type = vtn_base_type_function;
val->type->type = NULL;
- val->type->return_type = vtn_value(b, w[2], vtn_value_type_type)->type;
+ val->type->return_type = vtn_get_type(b, w[2]);
const unsigned num_params = count - 3;
val->type->length = num_params;
val->type->params = ralloc_array(b, struct vtn_type *, num_params);
for (unsigned i = 0; i < count - 3; i++) {
- val->type->params[i] =
- vtn_value(b, w[i + 3], vtn_value_type_type)->type;
+ val->type->params[i] = vtn_get_type(b, w[i + 3]);
}
break;
}
"forward declaration of a pointer, OpTypePointer can "
"only be used once for a given id.");
- val->type->deref = vtn_value(b, w[3], vtn_value_type_type)->type;
+ val->type->deref = vtn_get_type(b, w[3]);
/* Only certain storage classes use ArrayStride. The others (in
* particular Workgroup) are expected to be laid out by the driver.
case SpvOpTypeImage: {
val->type->base_type = vtn_base_type_image;
- const struct vtn_type *sampled_type =
- vtn_value(b, w[2], vtn_value_type_type)->type;
+ /* Images are represented in NIR as a scalar SSA value that is the
+ * result of a deref instruction. An OpLoad on an OpTypeImage pointer
+ * from UniformConstant memory just takes the NIR deref from the pointer
+ * and turns it into an SSA value.
+ */
+ val->type->type = nir_address_format_to_glsl_type(
+ vtn_mode_to_address_format(b, vtn_variable_mode_function));
+ const struct vtn_type *sampled_type = vtn_get_type(b, w[2]);
vtn_fail_if(sampled_type->base_type != vtn_base_type_scalar ||
glsl_get_bit_size(sampled_type->type) != 32,
"Sampled type of OpTypeImage must be a 32-bit scalar");
enum glsl_base_type sampled_base_type =
glsl_get_base_type(sampled_type->type);
if (sampled == 1) {
- val->type->sampled = true;
- val->type->type = glsl_sampler_type(dim, false, is_array,
- sampled_base_type);
+ val->type->glsl_image = glsl_sampler_type(dim, false, is_array,
+ sampled_base_type);
} else if (sampled == 2) {
- val->type->sampled = false;
- val->type->type = glsl_image_type(dim, is_array, sampled_base_type);
+ val->type->glsl_image = glsl_image_type(dim, is_array,
+ sampled_base_type);
} else {
vtn_fail("We need to know if the image will be sampled");
}
break;
}
- case SpvOpTypeSampledImage:
+ case SpvOpTypeSampledImage: {
val->type->base_type = vtn_base_type_sampled_image;
- val->type->image = vtn_value(b, w[2], vtn_value_type_type)->type;
- val->type->type = val->type->image->type;
+ val->type->image = vtn_get_type(b, w[2]);
+
+ /* Sampled images are represented NIR as a vec2 SSA value where each
+ * component is the result of a deref instruction. The first component
+ * is the image and the second is the sampler. An OpLoad on an
+ * OpTypeSampledImage pointer from UniformConstant memory just takes
+ * the NIR deref from the pointer and duplicates it to both vector
+ * components.
+ */
+ nir_address_format addr_format =
+ vtn_mode_to_address_format(b, vtn_variable_mode_function);
+ assert(nir_address_format_num_components(addr_format) == 1);
+ unsigned bit_size = nir_address_format_bit_size(addr_format);
+ assert(bit_size == 32 || bit_size == 64);
+
+ enum glsl_base_type base_type =
+ bit_size == 32 ? GLSL_TYPE_UINT : GLSL_TYPE_UINT64;
+ val->type->type = glsl_vector_type(base_type, 2);
break;
+ }
case SpvOpTypeSampler:
- /* The actual sampler type here doesn't really matter. It gets
- * thrown away the moment you combine it with an image. What really
- * matters is that it's a sampler type as opposed to an integer type
- * so the backend knows what to do.
- */
val->type->base_type = vtn_base_type_sampler;
- val->type->type = glsl_bare_sampler_type();
+
+ /* Samplers are represented in NIR as a scalar SSA value that is the
+ * result of a deref instruction. An OpLoad on an OpTypeSampler pointer
+ * from UniformConstant memory just takes the NIR deref from the pointer
+ * and turns it into an SSA value.
+ */
+ val->type->type = nir_address_format_to_glsl_type(
+ vtn_mode_to_address_format(b, vtn_variable_mode_function));
break;
case SpvOpTypeOpaque:
case SpvOpUConvert:
/* We have a source in a conversion */
src_alu_type =
- nir_get_nir_type_for_glsl_type(
- vtn_value(b, w[4], vtn_value_type_constant)->type->type);
+ nir_get_nir_type_for_glsl_type(vtn_get_value_type(b, w[4])->type);
/* We use the bitsize of the conversion source to evaluate the opcode later */
- bit_size = glsl_get_bit_size(
- vtn_value(b, w[4], vtn_value_type_constant)->type->type);
+ bit_size = glsl_get_bit_size(vtn_get_value_type(b, w[4])->type);
break;
default:
bit_size = glsl_get_bit_size(val->type->type);
*after |= SpvMemorySemanticsMakeAvailableMask | storage_semantics;
}
-static void
-vtn_emit_scoped_memory_barrier(struct vtn_builder *b, SpvScope scope,
- SpvMemorySemanticsMask semantics)
+static nir_memory_semantics
+vtn_mem_semantics_to_nir_mem_semantics(struct vtn_builder *b,
+ SpvMemorySemanticsMask semantics)
{
nir_memory_semantics nir_semantics = 0;
nir_semantics |= NIR_MEMORY_MAKE_VISIBLE;
}
+ return nir_semantics;
+}
+
+static nir_variable_mode
+vtn_mem_sematics_to_nir_var_modes(struct vtn_builder *b,
+ SpvMemorySemanticsMask semantics)
+{
/* Vulkan Environment for SPIR-V says "SubgroupMemory, CrossWorkgroupMemory,
* and AtomicCounterMemory are ignored".
*/
modes |= nir_var_shader_out;
}
- /* No barrier to add. */
- if (nir_semantics == 0 || modes == 0)
- return;
+ return modes;
+}
+static nir_scope
+vtn_scope_to_nir_scope(struct vtn_builder *b, SpvScope scope)
+{
nir_scope nir_scope;
switch (scope) {
case SpvScopeDevice:
vtn_fail("Invalid memory scope");
}
- nir_intrinsic_instr *intrin =
- nir_intrinsic_instr_create(b->shader, nir_intrinsic_scoped_memory_barrier);
- nir_intrinsic_set_memory_semantics(intrin, nir_semantics);
+ return nir_scope;
+}
- nir_intrinsic_set_memory_modes(intrin, modes);
- nir_intrinsic_set_memory_scope(intrin, nir_scope);
- nir_builder_instr_insert(&b->nb, &intrin->instr);
+static void
+vtn_emit_scoped_control_barrier(struct vtn_builder *b, SpvScope exec_scope,
+ SpvScope mem_scope,
+ SpvMemorySemanticsMask semantics)
+{
+ nir_memory_semantics nir_semantics =
+ vtn_mem_semantics_to_nir_mem_semantics(b, semantics);
+ nir_variable_mode modes = vtn_mem_sematics_to_nir_var_modes(b, semantics);
+ nir_scope nir_exec_scope = vtn_scope_to_nir_scope(b, exec_scope);
+
+ /* Memory semantics is optional for OpControlBarrier. */
+ nir_scope nir_mem_scope;
+ if (nir_semantics == 0 || modes == 0)
+ nir_mem_scope = NIR_SCOPE_NONE;
+ else
+ nir_mem_scope = vtn_scope_to_nir_scope(b, mem_scope);
+
+ nir_scoped_barrier(&b->nb, nir_exec_scope, nir_mem_scope, nir_semantics, modes);
+}
+
+static void
+vtn_emit_scoped_memory_barrier(struct vtn_builder *b, SpvScope scope,
+ SpvMemorySemanticsMask semantics)
+{
+ nir_variable_mode modes = vtn_mem_sematics_to_nir_var_modes(b, semantics);
+ nir_memory_semantics nir_semantics =
+ vtn_mem_semantics_to_nir_mem_semantics(b, semantics);
+
+ /* No barrier to add. */
+ if (nir_semantics == 0 || modes == 0)
+ return;
+
+ nir_scope nir_mem_scope = vtn_scope_to_nir_scope(b, scope);
+ nir_scoped_barrier(&b->nb, NIR_SCOPE_NONE, nir_mem_scope, nir_semantics, modes);
}
struct vtn_ssa_value *
vtn_create_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
{
+ /* Always use bare types for SSA values for a couple of reasons:
+ *
+ * 1. Code which emits deref chains should never listen to the explicit
+ * layout information on the SSA value if any exists. If we've
+ * accidentally been relying on this, we want to find those bugs.
+ *
+ * 2. We want to be able to quickly check that an SSA value being assigned
+ * to a SPIR-V value has the right type. Using bare types everywhere
+ * ensures that we can pointer-compare.
+ */
struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
- val->type = type;
+ val->type = glsl_get_bare_type(type);
+
if (!glsl_type_is_vector_or_scalar(type)) {
- unsigned elems = glsl_get_length(type);
+ unsigned elems = glsl_get_length(val->type);
val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
- for (unsigned i = 0; i < elems; i++) {
- const struct glsl_type *child_type;
-
- switch (glsl_get_base_type(type)) {
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT16:
- case GLSL_TYPE_UINT16:
- case GLSL_TYPE_UINT8:
- case GLSL_TYPE_INT8:
- case GLSL_TYPE_INT64:
- case GLSL_TYPE_UINT64:
- case GLSL_TYPE_BOOL:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_FLOAT16:
- case GLSL_TYPE_DOUBLE:
- child_type = glsl_get_column_type(type);
- break;
- case GLSL_TYPE_ARRAY:
- child_type = glsl_get_array_element(type);
- break;
- case GLSL_TYPE_STRUCT:
- case GLSL_TYPE_INTERFACE:
- child_type = glsl_get_struct_field(type, i);
- break;
- default:
- vtn_fail("unkown base type");
+ if (glsl_type_is_array_or_matrix(type)) {
+ const struct glsl_type *elem_type = glsl_get_array_element(type);
+ for (unsigned i = 0; i < elems; i++)
+ val->elems[i] = vtn_create_ssa_value(b, elem_type);
+ } else {
+ vtn_assert(glsl_type_is_struct_or_ifc(type));
+ for (unsigned i = 0; i < elems; i++) {
+ const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
+ val->elems[i] = vtn_create_ssa_value(b, elem_type);
}
-
- val->elems[i] = vtn_create_ssa_value(b, child_type);
}
}
vtn_tex_src(struct vtn_builder *b, unsigned index, nir_tex_src_type type)
{
nir_tex_src src;
- src.src = nir_src_for_ssa(vtn_ssa_value(b, index)->def);
+ src.src = nir_src_for_ssa(vtn_get_nir_ssa(b, index));
src.src_type = type;
return src;
}
return idx;
}
+static void
+non_uniform_decoration_cb(struct vtn_builder *b,
+ struct vtn_value *val, int member,
+ const struct vtn_decoration *dec, void *void_ctx)
+{
+ enum gl_access_qualifier *access = void_ctx;
+ switch (dec->decoration) {
+ case SpvDecorationNonUniformEXT:
+ *access |= ACCESS_NON_UNIFORM;
+ break;
+
+ default:
+ break;
+ }
+}
+
static void
vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
+ struct vtn_type *ret_type = vtn_get_type(b, w[1]);
+
if (opcode == SpvOpSampledImage) {
- struct vtn_value *val =
- vtn_push_value(b, w[2], vtn_value_type_sampled_image);
- val->sampled_image = ralloc(b, struct vtn_sampled_image);
- val->sampled_image->image =
- vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
- val->sampled_image->sampler =
- vtn_value(b, w[4], vtn_value_type_pointer)->pointer;
+ struct vtn_sampled_image si = {
+ .image = vtn_get_image(b, w[3]),
+ .sampler = vtn_get_sampler(b, w[4]),
+ };
+ vtn_push_sampled_image(b, w[2], si);
return;
} else if (opcode == SpvOpImage) {
- struct vtn_value *src_val = vtn_untyped_value(b, w[3]);
- if (src_val->value_type == vtn_value_type_sampled_image) {
- vtn_push_value_pointer(b, w[2], src_val->sampled_image->image);
- } else {
- vtn_assert(src_val->value_type == vtn_value_type_pointer);
- vtn_push_value_pointer(b, w[2], src_val->pointer);
- }
+ struct vtn_sampled_image si = vtn_get_sampled_image(b, w[3]);
+ vtn_push_image(b, w[2], si.image);
return;
}
- struct vtn_type *ret_type = vtn_value(b, w[1], vtn_value_type_type)->type;
-
- struct vtn_pointer *image = NULL, *sampler = NULL;
+ nir_deref_instr *image = NULL, *sampler = NULL;
struct vtn_value *sampled_val = vtn_untyped_value(b, w[3]);
- if (sampled_val->value_type == vtn_value_type_sampled_image) {
- image = sampled_val->sampled_image->image;
- sampler = sampled_val->sampled_image->sampler;
+ if (sampled_val->type->base_type == vtn_base_type_sampled_image) {
+ struct vtn_sampled_image si = vtn_get_sampled_image(b, w[3]);
+ image = si.image;
+ sampler = si.sampler;
} else {
- vtn_assert(sampled_val->value_type == vtn_value_type_pointer);
- image = sampled_val->pointer;
+ image = vtn_get_image(b, w[3]);
}
- nir_deref_instr *image_deref = vtn_pointer_to_deref(b, image);
- nir_deref_instr *sampler_deref =
- sampler ? vtn_pointer_to_deref(b, sampler) : NULL;
-
- const struct glsl_type *image_type = sampled_val->type->type;
- const enum glsl_sampler_dim sampler_dim = glsl_get_sampler_dim(image_type);
- const bool is_array = glsl_sampler_type_is_array(image_type);
+ const enum glsl_sampler_dim sampler_dim = glsl_get_sampler_dim(image->type);
+ const bool is_array = glsl_sampler_type_is_array(image->type);
nir_alu_type dest_type = nir_type_invalid;
/* Figure out the base texture operation */
nir_tex_src srcs[10]; /* 10 should be enough */
nir_tex_src *p = srcs;
- p->src = nir_src_for_ssa(&image_deref->dest.ssa);
+ p->src = nir_src_for_ssa(&image->dest.ssa);
p->src_type = nir_tex_src_texture_deref;
p++;
vtn_fail_if(sampler == NULL,
"%s requires an image of type OpTypeSampledImage",
spirv_op_to_string(opcode));
- p->src = nir_src_for_ssa(&sampler_deref->dest.ssa);
+ p->src = nir_src_for_ssa(&sampler->dest.ssa);
p->src_type = nir_tex_src_sampler_deref;
p++;
break;
if (is_array && texop != nir_texop_lod)
coord_components++;
- coord = vtn_ssa_value(b, w[idx++])->def;
+ coord = vtn_get_nir_ssa(b, w[idx++]);
p->src = nir_src_for_ssa(nir_channels(&b->nb, coord,
(1 << coord_components) - 1));
p->src_type = nir_tex_src_coord;
uint32_t operands = w[idx];
if (operands & SpvImageOperandsBiasMask) {
- vtn_assert(texop == nir_texop_tex);
- texop = nir_texop_txb;
+ vtn_assert(texop == nir_texop_tex ||
+ texop == nir_texop_tg4);
+ if (texop == nir_texop_tex)
+ texop = nir_texop_txb;
uint32_t arg = image_operand_arg(b, w, count, idx,
SpvImageOperandsBiasMask);
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_bias);
if (operands & SpvImageOperandsLodMask) {
vtn_assert(texop == nir_texop_txl || texop == nir_texop_txf ||
- texop == nir_texop_txs);
+ texop == nir_texop_txs || texop == nir_texop_tg4);
uint32_t arg = image_operand_arg(b, w, count, idx,
SpvImageOperandsLodMask);
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_lod);
is_shadow && glsl_get_components(ret_type->type) == 1;
instr->component = gather_component;
- if (image && (image->access & ACCESS_NON_UNIFORM))
+ /* The Vulkan spec says:
+ *
+ * "If an instruction loads from or stores to a resource (including
+ * atomics and image instructions) and the resource descriptor being
+ * accessed is not dynamically uniform, then the operand corresponding
+ * to that resource (e.g. the pointer or sampled image operand) must be
+ * decorated with NonUniform."
+ *
+ * It's very careful to specify that the exact operand must be decorated
+ * NonUniform. The SPIR-V parser is not expected to chase through long
+ * chains to find the NonUniform decoration. It's either right there or we
+ * can assume it doesn't exist.
+ */
+ enum gl_access_qualifier access = 0;
+ vtn_foreach_decoration(b, sampled_val, non_uniform_decoration_cb, &access);
+
+ if (image && (access & ACCESS_NON_UNIFORM))
instr->texture_non_uniform = true;
- if (sampler && (sampler->access & ACCESS_NON_UNIFORM))
+ if (sampler && (access & ACCESS_NON_UNIFORM))
instr->sampler_non_uniform = true;
/* for non-query ops, get dest_type from sampler type */
if (dest_type == nir_type_invalid) {
- switch (glsl_get_sampler_result_type(image_type)) {
+ switch (glsl_get_sampler_result_type(image->type)) {
case GLSL_TYPE_FLOAT: dest_type = nir_type_float; break;
case GLSL_TYPE_INT: dest_type = nir_type_int; break;
case GLSL_TYPE_UINT: dest_type = nir_type_uint; break;
}
}
- struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, ret_type->type);
- ssa->def = &instr->dest.ssa;
- vtn_push_ssa(b, w[2], ret_type, ssa);
-
nir_builder_instr_insert(&b->nb, &instr->instr);
+
+ vtn_push_nir_ssa(b, w[2], &instr->dest.ssa);
}
static void
case SpvOpAtomicISub:
src[0] =
- nir_src_for_ssa(nir_ineg(&b->nb, vtn_ssa_value(b, w[6])->def));
+ nir_src_for_ssa(nir_ineg(&b->nb, vtn_get_nir_ssa(b, w[6])));
break;
case SpvOpAtomicCompareExchange:
case SpvOpAtomicCompareExchangeWeak:
- src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
- src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
+ src[0] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[8]));
+ src[1] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[7]));
break;
case SpvOpAtomicExchange:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
- src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[6])->def);
+ case SpvOpAtomicFAddEXT:
+ src[0] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[6]));
break;
default:
static nir_ssa_def *
get_image_coord(struct vtn_builder *b, uint32_t value)
{
- struct vtn_ssa_value *coord = vtn_ssa_value(b, value);
+ nir_ssa_def *coord = vtn_get_nir_ssa(b, value);
/* The image_load_store intrinsics assume a 4-dim coordinate */
- unsigned dim = glsl_get_vector_elements(coord->type);
unsigned swizzle[4];
for (unsigned i = 0; i < 4; i++)
- swizzle[i] = MIN2(i, dim - 1);
+ swizzle[i] = MIN2(i, coord->num_components - 1);
- return nir_swizzle(&b->nb, coord->def, swizzle, 4);
+ return nir_swizzle(&b->nb, coord, swizzle, 4);
}
static nir_ssa_def *
vtn_push_value(b, w[2], vtn_value_type_image_pointer);
val->image = ralloc(b, struct vtn_image_pointer);
- val->image->image = vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
+ val->image->image = vtn_nir_deref(b, w[3]);
val->image->coord = get_image_coord(b, w[4]);
- val->image->sample = vtn_ssa_value(b, w[5])->def;
+ val->image->sample = vtn_get_nir_ssa(b, w[5]);
val->image->lod = nir_imm_int(&b->nb, 0);
return;
}
SpvScope scope = SpvScopeInvocation;
SpvMemorySemanticsMask semantics = 0;
+ enum gl_access_qualifier access = 0;
+
+ struct vtn_value *res_val;
switch (opcode) {
case SpvOpAtomicExchange:
case SpvOpAtomicCompareExchange:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
- image = *vtn_value(b, w[3], vtn_value_type_image_pointer)->image;
+ case SpvOpAtomicFAddEXT:
+ res_val = vtn_value(b, w[3], vtn_value_type_image_pointer);
+ image = *res_val->image;
scope = vtn_constant_uint(b, w[4]);
semantics = vtn_constant_uint(b, w[5]);
+ access |= ACCESS_COHERENT;
break;
case SpvOpAtomicStore:
- image = *vtn_value(b, w[1], vtn_value_type_image_pointer)->image;
+ res_val = vtn_value(b, w[1], vtn_value_type_image_pointer);
+ image = *res_val->image;
scope = vtn_constant_uint(b, w[2]);
semantics = vtn_constant_uint(b, w[3]);
+ access |= ACCESS_COHERENT;
break;
case SpvOpImageQuerySize:
- image.image = vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
+ res_val = vtn_untyped_value(b, w[3]);
+ image.image = vtn_get_image(b, w[3]);
image.coord = NULL;
image.sample = NULL;
image.lod = NULL;
break;
case SpvOpImageRead: {
- image.image = vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
+ res_val = vtn_untyped_value(b, w[3]);
+ image.image = vtn_get_image(b, w[3]);
image.coord = get_image_coord(b, w[4]);
const SpvImageOperandsMask operands =
if (operands & SpvImageOperandsSampleMask) {
uint32_t arg = image_operand_arg(b, w, count, 5,
SpvImageOperandsSampleMask);
- image.sample = vtn_ssa_value(b, w[arg])->def;
+ image.sample = vtn_get_nir_ssa(b, w[arg]);
} else {
image.sample = nir_ssa_undef(&b->nb, 1, 32);
}
if (operands & SpvImageOperandsLodMask) {
uint32_t arg = image_operand_arg(b, w, count, 5,
SpvImageOperandsLodMask);
- image.lod = vtn_ssa_value(b, w[arg])->def;
+ image.lod = vtn_get_nir_ssa(b, w[arg]);
} else {
image.lod = nir_imm_int(&b->nb, 0);
}
}
case SpvOpImageWrite: {
- image.image = vtn_value(b, w[1], vtn_value_type_pointer)->pointer;
+ res_val = vtn_untyped_value(b, w[1]);
+ image.image = vtn_get_image(b, w[1]);
image.coord = get_image_coord(b, w[2]);
/* texel = w[3] */
if (operands & SpvImageOperandsSampleMask) {
uint32_t arg = image_operand_arg(b, w, count, 4,
SpvImageOperandsSampleMask);
- image.sample = vtn_ssa_value(b, w[arg])->def;
+ image.sample = vtn_get_nir_ssa(b, w[arg]);
} else {
image.sample = nir_ssa_undef(&b->nb, 1, 32);
}
if (operands & SpvImageOperandsLodMask) {
uint32_t arg = image_operand_arg(b, w, count, 4,
SpvImageOperandsLodMask);
- image.lod = vtn_ssa_value(b, w[arg])->def;
+ image.lod = vtn_get_nir_ssa(b, w[arg]);
} else {
image.lod = nir_imm_int(&b->nb, 0);
}
OP(AtomicAnd, atomic_and)
OP(AtomicOr, atomic_or)
OP(AtomicXor, atomic_xor)
+ OP(AtomicFAddEXT, atomic_fadd)
#undef OP
default:
vtn_fail_with_opcode("Invalid image opcode", opcode);
nir_intrinsic_instr *intrin = nir_intrinsic_instr_create(b->shader, op);
- nir_deref_instr *image_deref = vtn_pointer_to_deref(b, image.image);
- intrin->src[0] = nir_src_for_ssa(&image_deref->dest.ssa);
+ intrin->src[0] = nir_src_for_ssa(&image.image->dest.ssa);
/* ImageQuerySize doesn't take any extra parameters */
if (opcode != SpvOpImageQuerySize) {
intrin->src[2] = nir_src_for_ssa(image.sample);
}
- nir_intrinsic_set_access(intrin, image.image->access);
+ /* The Vulkan spec says:
+ *
+ * "If an instruction loads from or stores to a resource (including
+ * atomics and image instructions) and the resource descriptor being
+ * accessed is not dynamically uniform, then the operand corresponding
+ * to that resource (e.g. the pointer or sampled image operand) must be
+ * decorated with NonUniform."
+ *
+ * It's very careful to specify that the exact operand must be decorated
+ * NonUniform. The SPIR-V parser is not expected to chase through long
+ * chains to find the NonUniform decoration. It's either right there or we
+ * can assume it doesn't exist.
+ */
+ vtn_foreach_decoration(b, res_val, non_uniform_decoration_cb, &access);
+ nir_intrinsic_set_access(intrin, access);
switch (opcode) {
case SpvOpAtomicLoad:
case SpvOpAtomicStore:
case SpvOpImageWrite: {
const uint32_t value_id = opcode == SpvOpAtomicStore ? w[4] : w[3];
- nir_ssa_def *value = vtn_ssa_value(b, value_id)->def;
+ nir_ssa_def *value = vtn_get_nir_ssa(b, value_id);
/* nir_intrinsic_image_deref_store always takes a vec4 value */
assert(op == nir_intrinsic_image_deref_store);
intrin->num_components = 4;
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
+ case SpvOpAtomicFAddEXT:
fill_common_atomic_sources(b, opcode, w, &intrin->src[3]);
break;
vtn_emit_memory_barrier(b, scope, before_semantics);
if (opcode != SpvOpImageWrite && opcode != SpvOpAtomicStore) {
- struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type;
+ struct vtn_type *type = vtn_get_type(b, w[1]);
unsigned dest_components = glsl_get_vector_elements(type->type);
- intrin->num_components = nir_intrinsic_infos[op].dest_components;
- if (intrin->num_components == 0)
+ if (nir_intrinsic_infos[op].dest_components == 0)
intrin->num_components = dest_components;
nir_ssa_dest_init(&intrin->instr, &intrin->dest,
- intrin->num_components, 32, NULL);
+ nir_intrinsic_dest_components(intrin), 32, NULL);
nir_builder_instr_insert(&b->nb, &intrin->instr);
nir_ssa_def *result = &intrin->dest.ssa;
- if (intrin->num_components != dest_components)
+ if (nir_intrinsic_dest_components(intrin) != dest_components)
result = nir_channels(&b->nb, result, (1 << dest_components) - 1);
- struct vtn_value *val =
- vtn_push_ssa(b, w[2], type, vtn_create_ssa_value(b, type->type));
- val->ssa->def = result;
+ vtn_push_nir_ssa(b, w[2], result);
} else {
nir_builder_instr_insert(&b->nb, &intrin->instr);
}
OP(AtomicAnd, atomic_and)
OP(AtomicOr, atomic_or)
OP(AtomicXor, atomic_xor)
+ OP(AtomicFAddEXT, atomic_fadd)
#undef OP
default:
vtn_fail_with_opcode("Invalid SSBO atomic", opcode);
OP(AtomicAnd, atomic_and)
OP(AtomicOr, atomic_or)
OP(AtomicXor, atomic_xor)
+ OP(AtomicFAddEXT, atomic_fadd)
#undef OP
default:
vtn_fail_with_opcode("Invalid shared atomic", opcode);
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
+ case SpvOpAtomicFAddEXT:
ptr = vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
scope = vtn_constant_uint(b, w[4]);
semantics = vtn_constant_uint(b, w[5]);
}
/* uniform as "atomic counter uniform" */
- if (ptr->mode == vtn_variable_mode_uniform) {
+ if (ptr->mode == vtn_variable_mode_atomic_counter) {
nir_deref_instr *deref = vtn_pointer_to_deref(b, ptr);
- const struct glsl_type *deref_type = deref->type;
nir_intrinsic_op op = get_uniform_nir_atomic_op(b, opcode);
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
switch (opcode) {
case SpvOpAtomicLoad:
- atomic->num_components = glsl_get_vector_elements(deref_type);
- break;
-
- case SpvOpAtomicStore:
- atomic->num_components = glsl_get_vector_elements(deref_type);
- nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1);
- break;
-
case SpvOpAtomicExchange:
case SpvOpAtomicCompareExchange:
case SpvOpAtomicCompareExchangeWeak:
nir_intrinsic_op op = get_ssbo_nir_atomic_op(b, opcode);
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
+ nir_intrinsic_set_access(atomic, ACCESS_COHERENT);
+
int src = 0;
switch (opcode) {
case SpvOpAtomicLoad:
atomic->num_components = glsl_get_vector_elements(ptr->type->type);
nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1);
nir_intrinsic_set_align(atomic, 4, 0);
- atomic->src[src++] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
+ atomic->src[src++] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[4]));
if (ptr->mode == vtn_variable_mode_ssbo)
atomic->src[src++] = nir_src_for_ssa(index);
atomic->src[src++] = nir_src_for_ssa(offset);
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
+ case SpvOpAtomicFAddEXT:
if (ptr->mode == vtn_variable_mode_ssbo)
atomic->src[src++] = nir_src_for_ssa(index);
atomic->src[src++] = nir_src_for_ssa(offset);
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
+ if (ptr->mode != vtn_variable_mode_workgroup)
+ nir_intrinsic_set_access(atomic, ACCESS_COHERENT);
+
switch (opcode) {
case SpvOpAtomicLoad:
atomic->num_components = glsl_get_vector_elements(deref_type);
case SpvOpAtomicStore:
atomic->num_components = glsl_get_vector_elements(deref_type);
nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1);
- atomic->src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
+ atomic->src[1] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[4]));
break;
case SpvOpAtomicExchange:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
+ case SpvOpAtomicFAddEXT:
fill_common_atomic_sources(b, opcode, w, &atomic->src[1]);
break;
vtn_emit_memory_barrier(b, scope, before_semantics);
if (opcode != SpvOpAtomicStore) {
- struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type;
+ struct vtn_type *type = vtn_get_type(b, w[1]);
nir_ssa_dest_init(&atomic->instr, &atomic->dest,
glsl_get_vector_elements(type->type),
glsl_get_bit_size(type->type), NULL);
- struct vtn_ssa_value *ssa = rzalloc(b, struct vtn_ssa_value);
- ssa->def = &atomic->dest.ssa;
- ssa->type = type->type;
- vtn_push_ssa(b, w[2], type, ssa);
+ vtn_push_nir_ssa(b, w[2], &atomic->dest.ssa);
}
nir_builder_instr_insert(&b->nb, &atomic->instr);
* vector to extract.
*/
- struct vtn_ssa_value *ret = rzalloc(b, struct vtn_ssa_value);
- ret->type = glsl_scalar_type(glsl_get_base_type(cur->type));
+ const struct glsl_type *scalar_type =
+ glsl_scalar_type(glsl_get_base_type(cur->type));
+ struct vtn_ssa_value *ret = vtn_create_ssa_value(b, scalar_type);
ret->def = nir_channel(&b->nb, cur->def, indices[i]);
return ret;
} else {
vtn_handle_composite(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
- struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type;
+ struct vtn_type *type = vtn_get_type(b, w[1]);
struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, type->type);
switch (opcode) {
case SpvOpVectorExtractDynamic:
- ssa->def = nir_vector_extract(&b->nb, vtn_ssa_value(b, w[3])->def,
- vtn_ssa_value(b, w[4])->def);
+ ssa->def = nir_vector_extract(&b->nb, vtn_get_nir_ssa(b, w[3]),
+ vtn_get_nir_ssa(b, w[4]));
break;
case SpvOpVectorInsertDynamic:
- ssa->def = nir_vector_insert(&b->nb, vtn_ssa_value(b, w[3])->def,
- vtn_ssa_value(b, w[4])->def,
- vtn_ssa_value(b, w[5])->def);
+ ssa->def = nir_vector_insert(&b->nb, vtn_get_nir_ssa(b, w[3]),
+ vtn_get_nir_ssa(b, w[4]),
+ vtn_get_nir_ssa(b, w[5]));
break;
case SpvOpVectorShuffle:
ssa->def = vtn_vector_shuffle(b, glsl_get_vector_elements(type->type),
- vtn_ssa_value(b, w[3])->def,
- vtn_ssa_value(b, w[4])->def,
+ vtn_get_nir_ssa(b, w[3]),
+ vtn_get_nir_ssa(b, w[4]),
w + 5);
break;
if (glsl_type_is_vector_or_scalar(type->type)) {
nir_ssa_def *srcs[NIR_MAX_VEC_COMPONENTS];
for (unsigned i = 0; i < elems; i++)
- srcs[i] = vtn_ssa_value(b, w[3 + i])->def;
+ srcs[i] = vtn_get_nir_ssa(b, w[3 + i]);
ssa->def =
vtn_vector_construct(b, glsl_get_vector_elements(type->type),
elems, srcs);
vtn_fail_with_opcode("unknown composite operation", opcode);
}
- vtn_push_ssa(b, w[2], type, ssa);
+ vtn_push_ssa_value(b, w[2], ssa);
}
static void
vtn_emit_memory_barrier(struct vtn_builder *b, SpvScope scope,
SpvMemorySemanticsMask semantics)
{
- if (b->shader->options->use_scoped_memory_barrier) {
+ if (b->shader->options->use_scoped_barrier) {
vtn_emit_scoped_memory_barrier(b, scope, semantics);
return;
}
/* There's only two scopes thing left */
vtn_assert(scope == SpvScopeInvocation || scope == SpvScopeDevice);
- /* Map the GLSL memoryBarrier() construct to the corresponding NIR one. */
- static const SpvMemorySemanticsMask glsl_memory_barrier =
- SpvMemorySemanticsUniformMemoryMask |
- SpvMemorySemanticsWorkgroupMemoryMask |
- SpvMemorySemanticsImageMemoryMask;
- if ((semantics & glsl_memory_barrier) == glsl_memory_barrier) {
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier);
- semantics &= ~(glsl_memory_barrier | SpvMemorySemanticsAtomicCounterMemoryMask);
- }
-
- /* Issue a bunch of more specific barriers */
- uint32_t bits = semantics;
- while (bits) {
- SpvMemorySemanticsMask semantic = 1 << u_bit_scan(&bits);
- switch (semantic) {
- case SpvMemorySemanticsUniformMemoryMask:
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier_buffer);
- break;
- case SpvMemorySemanticsWorkgroupMemoryMask:
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier_shared);
- break;
- case SpvMemorySemanticsAtomicCounterMemoryMask:
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier_atomic_counter);
- break;
- case SpvMemorySemanticsImageMemoryMask:
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier_image);
- break;
- case SpvMemorySemanticsOutputMemoryMask:
- if (b->nb.shader->info.stage == MESA_SHADER_TESS_CTRL)
- vtn_emit_barrier(b, nir_intrinsic_memory_barrier_tcs_patch);
- break;
- default:
- break;;
+ /* Map the GLSL memoryBarrier() construct and any barriers with more than one
+ * semantic to the corresponding NIR one.
+ */
+ if (util_bitcount(semantics & all_memory_semantics) > 1) {
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier);
+ if (semantics & SpvMemorySemanticsOutputMemoryMask) {
+ /* GLSL memoryBarrier() (and the corresponding NIR one) doesn't include
+ * TCS outputs, so we have to emit it's own intrinsic for that. We
+ * then need to emit another memory_barrier to prevent moving
+ * non-output operations to before the tcs_patch barrier.
+ */
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_tcs_patch);
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier);
}
+ return;
+ }
+
+ /* Issue a more specific barrier */
+ switch (semantics & all_memory_semantics) {
+ case SpvMemorySemanticsUniformMemoryMask:
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_buffer);
+ break;
+ case SpvMemorySemanticsWorkgroupMemoryMask:
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_shared);
+ break;
+ case SpvMemorySemanticsAtomicCounterMemoryMask:
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_atomic_counter);
+ break;
+ case SpvMemorySemanticsImageMemoryMask:
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_image);
+ break;
+ case SpvMemorySemanticsOutputMemoryMask:
+ if (b->nb.shader->info.stage == MESA_SHADER_TESS_CTRL)
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier_tcs_patch);
+ break;
+ default:
+ break;
}
}
SpvMemorySemanticsOutputMemoryMask;
}
- vtn_emit_memory_barrier(b, memory_scope, memory_semantics);
+ if (b->shader->options->use_scoped_barrier) {
+ vtn_emit_scoped_control_barrier(b, execution_scope, memory_scope,
+ memory_semantics);
+ } else {
+ vtn_emit_memory_barrier(b, memory_scope, memory_semantics);
- if (execution_scope == SpvScopeWorkgroup)
- vtn_emit_barrier(b, nir_intrinsic_control_barrier);
+ if (execution_scope == SpvScopeWorkgroup)
+ vtn_emit_barrier(b, nir_intrinsic_control_barrier);
+ }
break;
}
spv_check_supported(amd_image_gather_bias_lod, cap);
break;
+ case SpvCapabilityAtomicFloat32AddEXT:
+ spv_check_supported(float32_atomic_add, cap);
+ break;
+
+ case SpvCapabilityAtomicFloat64AddEXT:
+ spv_check_supported(float64_atomic_add, cap);
+ break;
+
default:
vtn_fail("Unhandled capability: %s (%u)",
spirv_capability_to_string(cap), cap);
break;
}
+ b->mem_model = w[2];
switch (w[2]) {
case SpvMemoryModelSimple:
case SpvMemoryModelGLSL450:
b->shader->info.cs.local_size[2] = mode->operands[2];
break;
- case SpvExecutionModeLocalSizeId:
- b->shader->info.cs.local_size[0] = vtn_constant_uint(b, mode->operands[0]);
- b->shader->info.cs.local_size[1] = vtn_constant_uint(b, mode->operands[1]);
- b->shader->info.cs.local_size[2] = vtn_constant_uint(b, mode->operands[2]);
- break;
-
case SpvExecutionModeLocalSizeHint:
- case SpvExecutionModeLocalSizeHintId:
break; /* Nothing to do with this */
case SpvExecutionModeOutputVertices:
case SpvExecutionModeDenormFlushToZero:
case SpvExecutionModeSignedZeroInfNanPreserve:
case SpvExecutionModeRoundingModeRTE:
- case SpvExecutionModeRoundingModeRTZ:
- /* Already handled in vtn_handle_rounding_mode_in_execution_mode() */
+ case SpvExecutionModeRoundingModeRTZ: {
+ unsigned execution_mode = 0;
+ switch (mode->exec_mode) {
+ case SpvExecutionModeDenormPreserve:
+ switch (mode->operands[0]) {
+ case 16: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP16; break;
+ case 32: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP32; break;
+ case 64: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP64; break;
+ default: vtn_fail("Floating point type not supported");
+ }
+ break;
+ case SpvExecutionModeDenormFlushToZero:
+ switch (mode->operands[0]) {
+ case 16: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16; break;
+ case 32: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32; break;
+ case 64: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP64; break;
+ default: vtn_fail("Floating point type not supported");
+ }
+ break;
+ case SpvExecutionModeSignedZeroInfNanPreserve:
+ switch (mode->operands[0]) {
+ case 16: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP16; break;
+ case 32: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP32; break;
+ case 64: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP64; break;
+ default: vtn_fail("Floating point type not supported");
+ }
+ break;
+ case SpvExecutionModeRoundingModeRTE:
+ switch (mode->operands[0]) {
+ case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16; break;
+ case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32; break;
+ case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64; break;
+ default: vtn_fail("Floating point type not supported");
+ }
+ break;
+ case SpvExecutionModeRoundingModeRTZ:
+ switch (mode->operands[0]) {
+ case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16; break;
+ case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32; break;
+ case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64; break;
+ default: vtn_fail("Floating point type not supported");
+ }
+ break;
+ default:
+ break;
+ }
+
+ b->shader->info.float_controls_execution_mode |= execution_mode;
+ break;
+ }
+
+ case SpvExecutionModeLocalSizeId:
+ case SpvExecutionModeLocalSizeHintId:
+ /* Handled later by vtn_handle_execution_mode_id(). */
break;
default:
}
static void
-vtn_handle_rounding_mode_in_execution_mode(struct vtn_builder *b, struct vtn_value *entry_point,
- const struct vtn_decoration *mode, void *data)
+vtn_handle_execution_mode_id(struct vtn_builder *b, struct vtn_value *entry_point,
+ const struct vtn_decoration *mode, UNUSED void *data)
{
- vtn_assert(b->entry_point == entry_point);
- unsigned execution_mode = 0;
+ vtn_assert(b->entry_point == entry_point);
- switch(mode->exec_mode) {
- case SpvExecutionModeDenormPreserve:
- switch (mode->operands[0]) {
- case 16: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP16; break;
- case 32: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP32; break;
- case 64: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP64; break;
- default: vtn_fail("Floating point type not supported");
- }
- break;
- case SpvExecutionModeDenormFlushToZero:
- switch (mode->operands[0]) {
- case 16: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16; break;
- case 32: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32; break;
- case 64: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP64; break;
- default: vtn_fail("Floating point type not supported");
- }
- break;
- case SpvExecutionModeSignedZeroInfNanPreserve:
- switch (mode->operands[0]) {
- case 16: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP16; break;
- case 32: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP32; break;
- case 64: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP64; break;
- default: vtn_fail("Floating point type not supported");
- }
- break;
- case SpvExecutionModeRoundingModeRTE:
- switch (mode->operands[0]) {
- case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16; break;
- case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32; break;
- case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64; break;
- default: vtn_fail("Floating point type not supported");
- }
+ switch (mode->exec_mode) {
+ case SpvExecutionModeLocalSizeId:
+ b->shader->info.cs.local_size[0] = vtn_constant_uint(b, mode->operands[0]);
+ b->shader->info.cs.local_size[1] = vtn_constant_uint(b, mode->operands[1]);
+ b->shader->info.cs.local_size[2] = vtn_constant_uint(b, mode->operands[2]);
break;
- case SpvExecutionModeRoundingModeRTZ:
- switch (mode->operands[0]) {
- case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16; break;
- case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32; break;
- case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64; break;
- default: vtn_fail("Floating point type not supported");
- }
+
+ case SpvExecutionModeLocalSizeHintId:
+ /* Nothing to do with this hint. */
break;
default:
+ /* Nothing to do. Literal execution modes already handled by
+ * vtn_handle_execution_mode(). */
break;
}
-
- b->shader->info.float_controls_execution_mode |= execution_mode;
}
static bool
vtn_fail("Result type of OpSelect must be a scalar, composite, or pointer");
}
- struct vtn_type *res_type = vtn_value(b, w[1], vtn_value_type_type)->type;
- struct vtn_ssa_value *ssa = vtn_nir_select(b,
- vtn_ssa_value(b, w[3]), vtn_ssa_value(b, w[4]), vtn_ssa_value(b, w[5]));
-
- vtn_push_ssa(b, w[2], res_type, ssa);
+ vtn_push_ssa_value(b, w[2],
+ vtn_nir_select(b, vtn_ssa_value(b, w[3]),
+ vtn_ssa_value(b, w[4]),
+ vtn_ssa_value(b, w[5])));
}
static void
vtn_handle_ptr(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
- struct vtn_type *type1 = vtn_untyped_value(b, w[3])->type;
- struct vtn_type *type2 = vtn_untyped_value(b, w[4])->type;
- vtn_fail_if(type1->base_type != vtn_base_type_pointer ||
- type2->base_type != vtn_base_type_pointer,
- "%s operands must have pointer types",
- spirv_op_to_string(opcode));
- vtn_fail_if(type1->storage_class != type2->storage_class,
- "%s operands must have the same storage class",
- spirv_op_to_string(opcode));
+ struct vtn_type *type1 = vtn_get_value_type(b, w[3]);
+ struct vtn_type *type2 = vtn_get_value_type(b, w[4]);
+ vtn_fail_if(type1->base_type != vtn_base_type_pointer ||
+ type2->base_type != vtn_base_type_pointer,
+ "%s operands must have pointer types",
+ spirv_op_to_string(opcode));
+ vtn_fail_if(type1->storage_class != type2->storage_class,
+ "%s operands must have the same storage class",
+ spirv_op_to_string(opcode));
- struct vtn_type *vtn_type =
- vtn_value(b, w[1], vtn_value_type_type)->type;
- const struct glsl_type *type = vtn_type->type;
+ struct vtn_type *vtn_type = vtn_get_type(b, w[1]);
+ const struct glsl_type *type = vtn_type->type;
- nir_address_format addr_format = vtn_mode_to_address_format(
- b, vtn_storage_class_to_mode(b, type1->storage_class, NULL, NULL));
+ nir_address_format addr_format = vtn_mode_to_address_format(
+ b, vtn_storage_class_to_mode(b, type1->storage_class, NULL, NULL));
- nir_ssa_def *def;
+ nir_ssa_def *def;
- switch (opcode) {
- case SpvOpPtrDiff: {
- /* OpPtrDiff returns the difference in number of elements (not byte offset). */
- unsigned elem_size, elem_align;
- glsl_get_natural_size_align_bytes(type1->deref->type,
- &elem_size, &elem_align);
-
- def = nir_build_addr_isub(&b->nb,
- vtn_ssa_value(b, w[3])->def,
- vtn_ssa_value(b, w[4])->def,
- addr_format);
- def = nir_idiv(&b->nb, def, nir_imm_intN_t(&b->nb, elem_size, def->bit_size));
- def = nir_i2i(&b->nb, def, glsl_get_bit_size(type));
- break;
- }
+ switch (opcode) {
+ case SpvOpPtrDiff: {
+ /* OpPtrDiff returns the difference in number of elements (not byte offset). */
+ unsigned elem_size, elem_align;
+ glsl_get_natural_size_align_bytes(type1->deref->type,
+ &elem_size, &elem_align);
- case SpvOpPtrEqual:
- case SpvOpPtrNotEqual: {
- def = nir_build_addr_ieq(&b->nb,
- vtn_ssa_value(b, w[3])->def,
- vtn_ssa_value(b, w[4])->def,
- addr_format);
- if (opcode == SpvOpPtrNotEqual)
- def = nir_inot(&b->nb, def);
- break;
- }
+ def = nir_build_addr_isub(&b->nb,
+ vtn_get_nir_ssa(b, w[3]),
+ vtn_get_nir_ssa(b, w[4]),
+ addr_format);
+ def = nir_idiv(&b->nb, def, nir_imm_intN_t(&b->nb, elem_size, def->bit_size));
+ def = nir_i2i(&b->nb, def, glsl_get_bit_size(type));
+ break;
+ }
- default:
- unreachable("Invalid ptr operation");
- }
+ case SpvOpPtrEqual:
+ case SpvOpPtrNotEqual: {
+ def = nir_build_addr_ieq(&b->nb,
+ vtn_get_nir_ssa(b, w[3]),
+ vtn_get_nir_ssa(b, w[4]),
+ addr_format);
+ if (opcode == SpvOpPtrNotEqual)
+ def = nir_inot(&b->nb, def);
+ break;
+ }
+
+ default:
+ unreachable("Invalid ptr operation");
+ }
- struct vtn_ssa_value *ssa_value = vtn_create_ssa_value(b, type);
- ssa_value->def = def;
- vtn_push_ssa(b, w[2], vtn_type, ssa_value);
+ vtn_push_nir_ssa(b, w[2], def);
}
static bool
case SpvOpUndef: {
struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_undef);
- val->type = vtn_value(b, w[1], vtn_value_type_type)->type;
+ val->type = vtn_get_type(b, w[1]);
break;
}
break;
case SpvOpImageQuerySize: {
- struct vtn_pointer *image =
- vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
- if (glsl_type_is_image(image->type->type)) {
+ struct vtn_type *image_type = vtn_get_value_type(b, w[3]);
+ vtn_assert(image_type->base_type == vtn_base_type_image);
+ if (glsl_type_is_image(image_type->glsl_image)) {
vtn_handle_image(b, opcode, w, count);
} else {
- vtn_assert(glsl_type_is_sampler(image->type->type));
+ vtn_assert(glsl_type_is_sampler(image_type->glsl_image));
vtn_handle_texture(b, opcode, w, count);
}
break;
case SpvOpAtomicUMax:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
- case SpvOpAtomicXor: {
+ case SpvOpAtomicXor:
+ case SpvOpAtomicFAddEXT: {
struct vtn_value *pointer = vtn_untyped_value(b, w[3]);
if (pointer->value_type == vtn_value_type_image_pointer) {
vtn_handle_image(b, opcode, w, count);
nir_ssa_dest_init(&intrin->instr, &intrin->dest, 1, 1, NULL);
nir_builder_instr_insert(&b->nb, &intrin->instr);
- struct vtn_type *res_type =
- vtn_value(b, w[1], vtn_value_type_type)->type;
- struct vtn_ssa_value *val = vtn_create_ssa_value(b, res_type->type);
- val->def = &intrin->dest.ssa;
-
- vtn_push_ssa(b, w[2], res_type, val);
+ vtn_push_nir_ssa(b, w[2], &intrin->dest.ssa);
break;
}
nir_intrinsic_set_memory_scope(intrin, nir_scope);
nir_builder_instr_insert(&b->nb, &intrin->instr);
- struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type;
+ struct vtn_type *type = vtn_get_type(b, w[1]);
const struct glsl_type *dest_type = type->type;
nir_ssa_def *result;
result = nir_pack_64_2x32(&b->nb, &intrin->dest.ssa);
}
- struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa);
- val->type = type;
- val->ssa = vtn_create_ssa_value(b, dest_type);
- val->ssa->def = result;
+ vtn_push_nir_ssa(b, w[2], result);
break;
}
uint16_t generator_id = words[2] >> 16;
uint16_t generator_version = words[2];
- /* The first GLSLang version bump actually 1.5 years after #179 was fixed
- * but this should at least let us shut the workaround off for modern
- * versions of GLSLang.
- */
- b->wa_glslang_179 = (generator_id == 8 && generator_version == 1);
-
/* In GLSLang commit 8297936dd6eb3, their handling of barrier() was fixed
* to provide correct memory semantics on compute shader barrier()
* commands. Prior to that, we need to fix them up ourselves. This
if (stage == MESA_SHADER_GEOMETRY)
b->shader->info.gs.invocations = 1;
- /* Parse rounding mode execution modes. This has to happen earlier than
- * other changes in the execution modes since they can affect, for example,
- * the result of the floating point constants.
- */
+ /* Parse execution modes. */
vtn_foreach_execution_mode(b, b->entry_point,
- vtn_handle_rounding_mode_in_execution_mode, NULL);
+ vtn_handle_execution_mode, NULL);
b->specializations = spec;
b->num_specializations = num_spec;
words = vtn_foreach_instruction(b, words, word_end,
vtn_handle_variable_or_type_instruction);
- /* Parse execution modes */
+ /* Parse execution modes that depend on IDs. Must happen after we have
+ * constants parsed.
+ */
vtn_foreach_execution_mode(b, b->entry_point,
- vtn_handle_execution_mode, NULL);
+ vtn_handle_execution_mode_id, NULL);
if (b->workgroup_size_builtin) {
vtn_assert(b->workgroup_size_builtin->type->type ==
if (entry_point->num_params && b->shader->info.stage == MESA_SHADER_KERNEL)
entry_point = vtn_emit_kernel_entry_point_wrapper(b, entry_point);
+ /* structurize the CFG */
+ nir_lower_goto_ifs(b->shader);
+
entry_point->is_entrypoint = true;
/* When multiple shader stages exist in the same SPIR-V module, we
*/
nir_lower_variable_initializers(b->shader, nir_var_shader_out);
nir_remove_dead_variables(b->shader,
- nir_var_shader_in | nir_var_shader_out);
+ nir_var_shader_in | nir_var_shader_out, NULL);
/* We sometimes generate bogus derefs that, while never used, give the
* validator a bit of heartburn. Run dead code to get rid of them.
projects / mesa.git / blobdiff