#include "nir/nir_vla.h"
#include "nir/nir_control_flow.h"
#include "nir/nir_constant_expressions.h"
+#include "nir/nir_deref.h"
#include "spirv_info.h"
+#include <stdio.h>
+
void
vtn_log(struct vtn_builder *b, enum nir_spirv_debug_level level,
size_t spirv_offset, const char *message)
ralloc_free(msg);
}
+static void
+vtn_dump_shader(struct vtn_builder *b, const char *path, const char *prefix)
+{
+ static int idx = 0;
+
+ char filename[1024];
+ int len = snprintf(filename, sizeof(filename), "%s/%s-%d.spirv",
+ path, prefix, idx++);
+ if (len < 0 || len >= sizeof(filename))
+ return;
+
+ FILE *f = fopen(filename, "w");
+ if (f == NULL)
+ return;
+
+ fwrite(b->spirv, sizeof(*b->spirv), b->spirv_word_count, f);
+ fclose(f);
+
+ vtn_info("SPIR-V shader dumped to %s", filename);
+}
+
void
_vtn_warn(struct vtn_builder *b, const char *file, unsigned line,
const char *fmt, ...)
}
void
+_vtn_err(struct vtn_builder *b, const char *file, unsigned line,
+ const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ vtn_log_err(b, NIR_SPIRV_DEBUG_LEVEL_ERROR, "SPIR-V ERROR:\n",
+ file, line, fmt, args);
+ va_end(args);
+}
+
+void
_vtn_fail(struct vtn_builder *b, const char *file, unsigned line,
const char *fmt, ...)
{
file, line, fmt, args);
va_end(args);
+ const char *dump_path = getenv("MESA_SPIRV_FAIL_DUMP_PATH");
+ if (dump_path)
+ vtn_dump_shader(b, dump_path, "fail");
+
longjmp(b->fail_jump, 1);
}
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:
return vtn_undef_ssa_value(b, val->type->type);
case vtn_value_type_constant:
- return vtn_const_ssa_value(b, val->constant, val->const_type);
+ return vtn_const_ssa_value(b, val->constant, val->type->type);
case vtn_value_type_ssa:
return val->ssa;
vtn_handle_extension(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
+ const char *ext = (const char *)&w[2];
switch (opcode) {
case SpvOpExtInstImport: {
struct vtn_value *val = vtn_push_value(b, w[1], vtn_value_type_extension);
- if (strcmp((const char *)&w[2], "GLSL.std.450") == 0) {
+ if (strcmp(ext, "GLSL.std.450") == 0) {
val->ext_handler = vtn_handle_glsl450_instruction;
+ } else if ((strcmp(ext, "SPV_AMD_gcn_shader") == 0)
+ && (b->options && b->options->caps.gcn_shader)) {
+ val->ext_handler = vtn_handle_amd_gcn_shader_instruction;
+ } else if ((strcmp(ext, "SPV_AMD_shader_trinary_minmax") == 0)
+ && (b->options && b->options->caps.trinary_minmax)) {
+ val->ext_handler = vtn_handle_amd_shader_trinary_minmax_instruction;
} else {
- vtn_fail("Unsupported extension");
+ vtn_fail("Unsupported extension: %s", ext);
}
break;
}
if (dec->scope == VTN_DEC_DECORATION) {
member = parent_member;
} else if (dec->scope >= VTN_DEC_STRUCT_MEMBER0) {
- vtn_assert(parent_member == -1);
+ vtn_fail_if(value->value_type != vtn_value_type_type ||
+ value->type->base_type != vtn_base_type_struct,
+ "OpMemberDecorate and OpGroupMemberDecorate are only "
+ "allowed on OpTypeStruct");
+ /* This means we haven't recursed yet */
+ assert(value == base_value);
+
member = dec->scope - VTN_DEC_STRUCT_MEMBER0;
+
+ vtn_fail_if(member >= base_value->type->length,
+ "OpMemberDecorate specifies member %d but the "
+ "OpTypeStruct has only %u members",
+ member, base_value->type->length);
} else {
/* Not a decoration */
+ assert(dec->scope == VTN_DEC_EXECUTION_MODE);
continue;
}
if (dec->group) {
- vtn_assert(dec->group->value_type == vtn_value_type_decoration_group);
+ assert(dec->group->value_type == vtn_value_type_decoration_group);
_foreach_decoration_helper(b, base_value, member, dec->group,
cb, data);
} else {
if (dec->scope != VTN_DEC_EXECUTION_MODE)
continue;
- vtn_assert(dec->group == NULL);
+ assert(dec->group == NULL);
cb(b, value, dec, data);
}
}
-static void
+void
vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
case SpvOpDecorate:
case SpvOpMemberDecorate:
+ case SpvOpDecorateStringGOOGLE:
+ case SpvOpMemberDecorateStringGOOGLE:
case SpvOpExecutionMode: {
- struct vtn_value *val = &b->values[target];
+ struct vtn_value *val = vtn_untyped_value(b, target);
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
switch (opcode) {
case SpvOpDecorate:
+ case SpvOpDecorateStringGOOGLE:
dec->scope = VTN_DEC_DECORATION;
break;
case SpvOpMemberDecorate:
+ case SpvOpMemberDecorateStringGOOGLE:
dec->scope = VTN_DEC_STRUCT_MEMBER0 + *(w++);
+ vtn_fail_if(dec->scope < VTN_DEC_STRUCT_MEMBER0, /* overflow */
+ "Member argument of OpMemberDecorate too large");
break;
case SpvOpExecutionMode:
dec->scope = VTN_DEC_EXECUTION_MODE;
break;
default:
- vtn_fail("Invalid decoration opcode");
+ unreachable("Invalid decoration opcode");
}
dec->decoration = *(w++);
dec->literals = w;
dec->scope = VTN_DEC_DECORATION;
} else {
dec->scope = VTN_DEC_STRUCT_MEMBER0 + *(++w);
+ vtn_fail_if(dec->scope < 0, /* Check for overflow */
+ "Member argument of OpGroupMemberDecorate too large");
}
/* Link into the list */
}
default:
- vtn_fail("Unhandled opcode");
+ unreachable("Unhandled opcode");
}
}
struct vtn_type *type;
};
+/** Returns true if two types are "compatible", i.e. you can do an OpLoad,
+ * OpStore, or OpCopyMemory between them without breaking anything.
+ * Technically, the SPIR-V rules require the exact same type ID but this lets
+ * us internally be a bit looser.
+ */
+bool
+vtn_types_compatible(struct vtn_builder *b,
+ struct vtn_type *t1, struct vtn_type *t2)
+{
+ if (t1->id == t2->id)
+ return true;
+
+ if (t1->base_type != t2->base_type)
+ return false;
+
+ switch (t1->base_type) {
+ case vtn_base_type_void:
+ case vtn_base_type_scalar:
+ case vtn_base_type_vector:
+ case vtn_base_type_matrix:
+ case vtn_base_type_image:
+ case vtn_base_type_sampler:
+ case vtn_base_type_sampled_image:
+ return t1->type == t2->type;
+
+ case vtn_base_type_array:
+ return t1->length == t2->length &&
+ vtn_types_compatible(b, t1->array_element, t2->array_element);
+
+ case vtn_base_type_pointer:
+ return vtn_types_compatible(b, t1->deref, t2->deref);
+
+ case vtn_base_type_struct:
+ if (t1->length != t2->length)
+ return false;
+
+ for (unsigned i = 0; i < t1->length; i++) {
+ if (!vtn_types_compatible(b, t1->members[i], t2->members[i]))
+ return false;
+ }
+ return true;
+
+ case vtn_base_type_function:
+ /* This case shouldn't get hit since you can't copy around function
+ * types. Just require them to be identical.
+ */
+ return false;
+ }
+
+ vtn_fail("Invalid base type");
+}
+
/* does a shallow copy of a vtn_type */
static struct vtn_type *
case vtn_base_type_pointer:
case vtn_base_type_image:
case vtn_base_type_sampler:
+ case vtn_base_type_sampled_image:
/* Nothing more to do */
break;
}
static void
+vtn_handle_access_qualifier(struct vtn_builder *b, struct vtn_type *type,
+ int member, enum gl_access_qualifier access)
+{
+ type->members[member] = vtn_type_copy(b, type->members[member]);
+ type = type->members[member];
+
+ type->access |= access;
+}
+
+static void
struct_member_decoration_cb(struct vtn_builder *b,
struct vtn_value *val, int member,
const struct vtn_decoration *dec, void *void_ctx)
if (member < 0)
return;
- vtn_assert(member < ctx->num_fields);
+ assert(member < ctx->num_fields);
switch (dec->decoration) {
+ case SpvDecorationRelaxedPrecision:
+ case SpvDecorationUniform:
+ break; /* FIXME: Do nothing with this for now. */
case SpvDecorationNonWritable:
+ vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_NON_WRITEABLE);
+ break;
case SpvDecorationNonReadable:
- case SpvDecorationRelaxedPrecision:
+ vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_NON_READABLE);
+ break;
case SpvDecorationVolatile:
+ vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_VOLATILE);
+ break;
case SpvDecorationCoherent:
- case SpvDecorationUniform:
- break; /* FIXME: Do nothing with this for now. */
+ vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_COHERENT);
+ break;
case SpvDecorationNoPerspective:
ctx->fields[member].interpolation = INTERP_MODE_NOPERSPECTIVE;
break;
spirv_decoration_to_string(dec->decoration));
break;
+ case SpvDecorationHlslSemanticGOOGLE:
+ /* HLSL semantic decorations can safely be ignored by the driver. */
+ break;
+
default:
vtn_fail("Unhandled decoration");
}
{
if (dec->decoration != SpvDecorationMatrixStride)
return;
- vtn_assert(member >= 0);
+
+ vtn_fail_if(member < 0,
+ "The MatrixStride decoration is only allowed on members "
+ "of OpTypeStruct");
struct member_decoration_ctx *ctx = void_ctx;
{
struct vtn_type *type = val->type;
- if (member != -1)
+ if (member != -1) {
+ /* This should have been handled by OpTypeStruct */
+ assert(val->type->base_type == vtn_base_type_struct);
+ assert(member >= 0 && member < val->type->length);
return;
+ }
switch (dec->decoration) {
case SpvDecorationArrayStride:
case SpvDecorationNonWritable:
case SpvDecorationNonReadable:
case SpvDecorationUniform:
- case SpvDecorationStream:
case SpvDecorationLocation:
case SpvDecorationComponent:
case SpvDecorationOffset:
case SpvDecorationXfbBuffer:
case SpvDecorationXfbStride:
+ case SpvDecorationHlslSemanticGOOGLE:
vtn_warn("Decoration only allowed for struct members: %s",
spirv_decoration_to_string(dec->decoration));
break;
+ case SpvDecorationStream:
+ /* We don't need to do anything here, as stream is filled up when
+ * aplying the decoration to a variable, just check that if it is not a
+ * struct member, it should be a struct.
+ */
+ vtn_assert(type->base_type == vtn_base_type_struct);
+ break;
+
case SpvDecorationRelaxedPrecision:
case SpvDecorationSpecId:
case SpvDecorationInvariant:
case vtn_base_type_vector: {
uint32_t comp_size = glsl_get_bit_size(type->type) / 8;
- assert(type->length > 0 && type->length <= 4);
unsigned align_comps = type->length == 3 ? 4 : type->length;
*size_out = comp_size * type->length,
*align_out = comp_size * align_comps;
struct vtn_value *val = vtn_push_value(b, w[1], vtn_value_type_type);
val->type = rzalloc(b, struct vtn_type);
- val->type->val = val;
+ val->type->id = w[1];
switch (opcode) {
case SpvOpTypeVoid:
case SpvOpTypeBool:
val->type->base_type = vtn_base_type_scalar;
val->type->type = glsl_bool_type();
+ val->type->length = 1;
break;
case SpvOpTypeInt: {
int bit_size = w[2];
case 16:
val->type->type = (signedness ? glsl_int16_t_type() : glsl_uint16_t_type());
break;
+ case 8:
+ val->type->type = (signedness ? glsl_int8_t_type() : glsl_uint8_t_type());
+ break;
default:
vtn_fail("Invalid int bit size");
}
+ val->type->length = 1;
break;
}
default:
vtn_fail("Invalid float bit size");
}
+ val->type->length = 1;
break;
}
struct vtn_type *base = vtn_value(b, w[2], vtn_value_type_type)->type;
unsigned elems = w[3];
- vtn_assert(glsl_type_is_scalar(base->type));
+ vtn_fail_if(base->base_type != vtn_base_type_scalar,
+ "Base type for OpTypeVector must be a scalar");
+ vtn_fail_if((elems < 2 || elems > 4) && (elems != 8) && (elems != 16),
+ "Invalid component count for OpTypeVector");
+
val->type->base_type = vtn_base_type_vector;
val->type->type = glsl_vector_type(glsl_get_base_type(base->type), elems);
+ val->type->length = elems;
val->type->stride = glsl_get_bit_size(base->type) / 8;
val->type->array_element = base;
break;
struct vtn_type *base = vtn_value(b, w[2], vtn_value_type_type)->type;
unsigned columns = w[3];
- vtn_assert(glsl_type_is_vector(base->type));
+ vtn_fail_if(base->base_type != vtn_base_type_vector,
+ "Base type for OpTypeMatrix must be a vector");
+ vtn_fail_if(columns < 2 || columns > 4,
+ "Invalid column count for OpTypeMatrix");
+
val->type->base_type = vtn_base_type_matrix;
val->type->type = glsl_matrix_type(glsl_get_base_type(base->type),
glsl_get_vector_elements(base->type),
columns);
- vtn_assert(!glsl_type_is_error(val->type->type));
+ vtn_fail_if(glsl_type_is_error(val->type->type),
+ "Unsupported base type for OpTypeMatrix");
+ assert(!glsl_type_is_error(val->type->type));
val->type->length = columns;
val->type->array_element = base;
val->type->row_major = false;
val->type->type = glsl_vector_type(GLSL_TYPE_UINT, 2);
}
+ if (storage_class == SpvStorageClassPushConstant) {
+ /* These can actually be stored to nir_variables and used as SSA
+ * values so they need a real glsl_type.
+ */
+ val->type->type = glsl_uint_type();
+ }
+
if (storage_class == SpvStorageClassWorkgroup &&
b->options->lower_workgroup_access_to_offsets) {
uint32_t size, align;
case SpvOpTypeImage: {
val->type->base_type = vtn_base_type_image;
- const struct glsl_type *sampled_type =
- vtn_value(b, w[2], vtn_value_type_type)->type->type;
+ const struct vtn_type *sampled_type =
+ vtn_value(b, w[2], vtn_value_type_type)->type;
- vtn_assert(glsl_type_is_vector_or_scalar(sampled_type));
+ 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_sampler_dim dim;
switch ((SpvDim)w[3]) {
case SpvDimBuffer: dim = GLSL_SAMPLER_DIM_BUF; break;
case SpvDimSubpassData: dim = GLSL_SAMPLER_DIM_SUBPASS; break;
default:
- vtn_fail("Invalid SPIR-V Sampler dimension");
+ vtn_fail("Invalid SPIR-V image dimensionality");
}
bool is_shadow = w[4];
val->type->image_format = translate_image_format(b, format);
+ 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, is_shadow, is_array,
- glsl_get_base_type(sampled_type));
+ sampled_base_type);
} else if (sampled == 2) {
vtn_assert(!is_shadow);
val->type->sampled = false;
- val->type->type = glsl_image_type(dim, is_array,
- glsl_get_base_type(sampled_type));
+ val->type->type = glsl_image_type(dim, is_array, sampled_base_type);
} else {
vtn_fail("We need to know if the image will be sampled");
}
}
case SpvOpTypeSampledImage:
- val->type = vtn_value(b, w[2], vtn_value_type_type)->type;
+ 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;
break;
case SpvOpTypeSampler:
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:
dec->literals[0] != SpvBuiltInWorkgroupSize)
return;
- vtn_assert(val->const_type == glsl_vector_type(GLSL_TYPE_UINT, 3));
+ vtn_assert(val->type->type == glsl_vector_type(GLSL_TYPE_UINT, 3));
b->shader->info.cs.local_size[0] = val->constant->values[0].u32[0];
b->shader->info.cs.local_size[1] = val->constant->values[0].u32[1];
const uint32_t *w, unsigned count)
{
struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_constant);
- val->const_type = vtn_value(b, w[1], vtn_value_type_type)->type->type;
val->constant = rzalloc(b, nir_constant);
switch (opcode) {
case SpvOpConstantTrue:
- vtn_assert(val->const_type == glsl_bool_type());
- val->constant->values[0].u32[0] = NIR_TRUE;
- break;
case SpvOpConstantFalse:
- vtn_assert(val->const_type == glsl_bool_type());
- val->constant->values[0].u32[0] = NIR_FALSE;
- break;
-
case SpvOpSpecConstantTrue:
case SpvOpSpecConstantFalse: {
- vtn_assert(val->const_type == glsl_bool_type());
- uint32_t int_val =
- get_specialization(b, val, (opcode == SpvOpSpecConstantTrue));
+ vtn_fail_if(val->type->type != glsl_bool_type(),
+ "Result type of %s must be OpTypeBool",
+ spirv_op_to_string(opcode));
+
+ uint32_t int_val = (opcode == SpvOpConstantTrue ||
+ opcode == SpvOpSpecConstantTrue);
+
+ if (opcode == SpvOpSpecConstantTrue ||
+ opcode == SpvOpSpecConstantFalse)
+ int_val = get_specialization(b, val, int_val);
+
val->constant->values[0].u32[0] = int_val ? NIR_TRUE : NIR_FALSE;
break;
}
case SpvOpConstant: {
- vtn_assert(glsl_type_is_scalar(val->const_type));
- int bit_size = glsl_get_bit_size(val->const_type);
+ vtn_fail_if(val->type->base_type != vtn_base_type_scalar,
+ "Result type of %s must be a scalar",
+ spirv_op_to_string(opcode));
+ int bit_size = glsl_get_bit_size(val->type->type);
switch (bit_size) {
case 64:
val->constant->values->u64[0] = vtn_u64_literal(&w[3]);
case 16:
val->constant->values->u16[0] = w[3];
break;
+ case 8:
+ val->constant->values->u8[0] = w[3];
+ break;
default:
vtn_fail("Unsupported SpvOpConstant bit size");
}
break;
}
+
case SpvOpSpecConstant: {
- vtn_assert(glsl_type_is_scalar(val->const_type));
- val->constant->values[0].u32[0] = get_specialization(b, val, w[3]);
- int bit_size = glsl_get_bit_size(val->const_type);
+ vtn_fail_if(val->type->base_type != vtn_base_type_scalar,
+ "Result type of %s must be a scalar",
+ spirv_op_to_string(opcode));
+ int bit_size = glsl_get_bit_size(val->type->type);
switch (bit_size) {
case 64:
val->constant->values[0].u64[0] =
case 16:
val->constant->values[0].u16[0] = get_specialization(b, val, w[3]);
break;
+ case 8:
+ val->constant->values[0].u8[0] = get_specialization(b, val, w[3]);
+ break;
default:
vtn_fail("Unsupported SpvOpSpecConstant bit size");
}
break;
}
+
case SpvOpSpecConstantComposite:
case SpvOpConstantComposite: {
unsigned elem_count = count - 3;
+ vtn_fail_if(elem_count != val->type->length,
+ "%s has %u constituents, expected %u",
+ spirv_op_to_string(opcode), elem_count, val->type->length);
+
nir_constant **elems = ralloc_array(b, nir_constant *, elem_count);
- for (unsigned i = 0; i < elem_count; i++)
- elems[i] = vtn_value(b, w[i + 3], vtn_value_type_constant)->constant;
-
- switch (glsl_get_base_type(val->const_type)) {
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT16:
- case GLSL_TYPE_INT16:
- case GLSL_TYPE_UINT64:
- case GLSL_TYPE_INT64:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_FLOAT16:
- case GLSL_TYPE_BOOL:
- case GLSL_TYPE_DOUBLE: {
- int bit_size = glsl_get_bit_size(val->const_type);
- if (glsl_type_is_matrix(val->const_type)) {
- vtn_assert(glsl_get_matrix_columns(val->const_type) == elem_count);
- for (unsigned i = 0; i < elem_count; i++)
- val->constant->values[i] = elems[i]->values[0];
+ for (unsigned i = 0; i < elem_count; i++) {
+ struct vtn_value *val = vtn_untyped_value(b, w[i + 3]);
+
+ if (val->value_type == vtn_value_type_constant) {
+ elems[i] = val->constant;
} else {
- vtn_assert(glsl_type_is_vector(val->const_type));
- vtn_assert(glsl_get_vector_elements(val->const_type) == elem_count);
- for (unsigned i = 0; i < elem_count; i++) {
- switch (bit_size) {
- case 64:
- val->constant->values[0].u64[i] = elems[i]->values[0].u64[0];
- break;
- case 32:
- val->constant->values[0].u32[i] = elems[i]->values[0].u32[0];
- break;
- case 16:
- val->constant->values[0].u16[i] = elems[i]->values[0].u16[0];
- break;
- default:
- vtn_fail("Invalid SpvOpConstantComposite bit size");
- }
+ vtn_fail_if(val->value_type != vtn_value_type_undef,
+ "only constants or undefs allowed for "
+ "SpvOpConstantComposite");
+ /* to make it easier, just insert a NULL constant for now */
+ elems[i] = vtn_null_constant(b, val->type->type);
+ }
+ }
+
+ switch (val->type->base_type) {
+ case vtn_base_type_vector: {
+ assert(glsl_type_is_vector(val->type->type));
+ int bit_size = glsl_get_bit_size(val->type->type);
+ for (unsigned i = 0; i < elem_count; i++) {
+ switch (bit_size) {
+ case 64:
+ val->constant->values[0].u64[i] = elems[i]->values[0].u64[0];
+ break;
+ case 32:
+ val->constant->values[0].u32[i] = elems[i]->values[0].u32[0];
+ break;
+ case 16:
+ val->constant->values[0].u16[i] = elems[i]->values[0].u16[0];
+ break;
+ case 8:
+ val->constant->values[0].u8[i] = elems[i]->values[0].u8[0];
+ break;
+ default:
+ vtn_fail("Invalid SpvOpConstantComposite bit size");
}
}
- ralloc_free(elems);
break;
}
- case GLSL_TYPE_STRUCT:
- case GLSL_TYPE_ARRAY:
+
+ case vtn_base_type_matrix:
+ assert(glsl_type_is_matrix(val->type->type));
+ for (unsigned i = 0; i < elem_count; i++)
+ val->constant->values[i] = elems[i]->values[0];
+ break;
+
+ case vtn_base_type_struct:
+ case vtn_base_type_array:
ralloc_steal(val->constant, elems);
val->constant->num_elements = elem_count;
val->constant->elements = elems;
break;
default:
- vtn_fail("Unsupported type for constants");
+ vtn_fail("Result type of %s must be a composite type",
+ spirv_op_to_string(opcode));
}
break;
}
vtn_assert(v1->value_type == vtn_value_type_constant ||
v1->value_type == vtn_value_type_undef);
- unsigned len0 = v0->value_type == vtn_value_type_constant ?
- glsl_get_vector_elements(v0->const_type) :
- glsl_get_vector_elements(v0->type->type);
- unsigned len1 = v1->value_type == vtn_value_type_constant ?
- glsl_get_vector_elements(v1->const_type) :
- glsl_get_vector_elements(v1->type->type);
+ unsigned len0 = glsl_get_vector_elements(v0->type->type);
+ unsigned len1 = glsl_get_vector_elements(v1->type->type);
vtn_assert(len0 + len1 < 16);
- unsigned bit_size = glsl_get_bit_size(val->const_type);
- unsigned bit_size0 = v0->value_type == vtn_value_type_constant ?
- glsl_get_bit_size(v0->const_type) :
- glsl_get_bit_size(v0->type->type);
- unsigned bit_size1 = v1->value_type == vtn_value_type_constant ?
- glsl_get_bit_size(v1->const_type) :
- glsl_get_bit_size(v1->type->type);
+ unsigned bit_size = glsl_get_bit_size(val->type->type);
+ unsigned bit_size0 = glsl_get_bit_size(v0->type->type);
+ unsigned bit_size1 = glsl_get_bit_size(v1->type->type);
vtn_assert(bit_size == bit_size0 && bit_size == bit_size1);
(void)bit_size0; (void)bit_size1;
int elem = -1;
int col = 0;
- const struct glsl_type *type = comp->const_type;
+ const struct vtn_type *type = comp->type;
for (unsigned i = deref_start; i < count; i++) {
- switch (glsl_get_base_type(type)) {
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT16:
- case GLSL_TYPE_INT16:
- case GLSL_TYPE_UINT64:
- case GLSL_TYPE_INT64:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_FLOAT16:
- case GLSL_TYPE_DOUBLE:
- case GLSL_TYPE_BOOL:
- /* If we hit this granularity, we're picking off an element */
- if (glsl_type_is_matrix(type)) {
- vtn_assert(col == 0 && elem == -1);
- col = w[i];
- elem = 0;
- type = glsl_get_column_type(type);
- } else {
- vtn_assert(elem <= 0 && glsl_type_is_vector(type));
- elem = w[i];
- type = glsl_scalar_type(glsl_get_base_type(type));
- }
- continue;
-
- case GLSL_TYPE_ARRAY:
+ vtn_fail_if(w[i] > type->length,
+ "%uth index of %s is %u but the type has only "
+ "%u elements", i - deref_start,
+ spirv_op_to_string(opcode), w[i], type->length);
+
+ switch (type->base_type) {
+ case vtn_base_type_vector:
+ elem = w[i];
+ type = type->array_element;
+ break;
+
+ case vtn_base_type_matrix:
+ assert(col == 0 && elem == -1);
+ col = w[i];
+ elem = 0;
+ type = type->array_element;
+ break;
+
+ case vtn_base_type_array:
c = &(*c)->elements[w[i]];
- type = glsl_get_array_element(type);
- continue;
+ type = type->array_element;
+ break;
- case GLSL_TYPE_STRUCT:
+ case vtn_base_type_struct:
c = &(*c)->elements[w[i]];
- type = glsl_get_struct_field(type, w[i]);
- continue;
+ type = type->members[w[i]];
+ break;
default:
- vtn_fail("Invalid constant type");
+ vtn_fail("%s must only index into composite types",
+ spirv_op_to_string(opcode));
}
}
if (elem == -1) {
val->constant = *c;
} else {
- unsigned num_components = glsl_get_vector_elements(type);
- unsigned bit_size = glsl_get_bit_size(type);
+ unsigned num_components = type->length;
+ unsigned bit_size = glsl_get_bit_size(type->type);
for (unsigned i = 0; i < num_components; i++)
switch(bit_size) {
case 64:
case 16:
val->constant->values[0].u16[i] = (*c)->values[col].u16[elem + i];
break;
+ case 8:
+ val->constant->values[0].u8[i] = (*c)->values[col].u8[elem + i];
+ break;
default:
vtn_fail("Invalid SpvOpCompositeExtract bit size");
}
} else {
struct vtn_value *insert =
vtn_value(b, w[4], vtn_value_type_constant);
- vtn_assert(insert->const_type == type);
+ vtn_assert(insert->type == type);
if (elem == -1) {
*c = insert->constant;
} else {
- unsigned num_components = glsl_get_vector_elements(type);
- unsigned bit_size = glsl_get_bit_size(type);
+ unsigned num_components = type->length;
+ unsigned bit_size = glsl_get_bit_size(type->type);
for (unsigned i = 0; i < num_components; i++)
switch (bit_size) {
case 64:
case 16:
(*c)->values[col].u16[elem + i] = insert->constant->values[0].u16[i];
break;
+ case 8:
+ (*c)->values[col].u8[elem + i] = insert->constant->values[0].u8[i];
+ break;
default:
vtn_fail("Invalid SpvOpCompositeInsert bit size");
}
default: {
bool swap;
- nir_alu_type dst_alu_type = nir_get_nir_type_for_glsl_type(val->const_type);
+ nir_alu_type dst_alu_type = nir_get_nir_type_for_glsl_type(val->type->type);
nir_alu_type src_alu_type = dst_alu_type;
- nir_op op = vtn_nir_alu_op_for_spirv_opcode(b, opcode, &swap,
- src_alu_type,
- dst_alu_type);
+ unsigned num_components = glsl_get_vector_elements(val->type->type);
+ unsigned bit_size;
+
+ vtn_assert(count <= 7);
- unsigned num_components = glsl_get_vector_elements(val->const_type);
- unsigned bit_size =
- glsl_get_bit_size(val->const_type);
+ switch (opcode) {
+ case SpvOpSConvert:
+ case SpvOpFConvert:
+ /* 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);
+ /* 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);
+ break;
+ default:
+ bit_size = glsl_get_bit_size(val->type->type);
+ };
+ nir_op op = vtn_nir_alu_op_for_spirv_opcode(b, opcode, &swap,
+ nir_alu_type_get_type_size(src_alu_type),
+ nir_alu_type_get_type_size(dst_alu_type));
nir_const_value src[4];
- vtn_assert(count <= 7);
+
for (unsigned i = 0; i < count - 4; i++) {
- nir_constant *c =
- vtn_value(b, w[4 + i], vtn_value_type_constant)->constant;
+ struct vtn_value *src_val =
+ vtn_value(b, w[4 + i], vtn_value_type_constant);
+
+ /* If this is an unsized source, pull the bit size from the
+ * source; otherwise, we'll use the bit size from the destination.
+ */
+ if (!nir_alu_type_get_type_size(nir_op_infos[op].input_types[i]))
+ bit_size = glsl_get_bit_size(src_val->type->type);
unsigned j = swap ? 1 - i : i;
- src[j] = c->values[0];
+ src[j] = src_val->constant->values[0];
+ }
+
+ /* fix up fixed size sources */
+ switch (op) {
+ case nir_op_ishl:
+ case nir_op_ishr:
+ case nir_op_ushr: {
+ if (bit_size == 32)
+ break;
+ for (unsigned i = 0; i < num_components; ++i) {
+ switch (bit_size) {
+ case 64: src[1].u32[i] = src[1].u64[i]; break;
+ case 16: src[1].u32[i] = src[1].u16[i]; break;
+ case 8: src[1].u32[i] = src[1].u8[i]; break;
+ }
+ }
+ break;
+ }
+ default:
+ break;
}
val->constant->values[0] =
}
case SpvOpConstantNull:
- val->constant = vtn_null_constant(b, val->const_type);
+ val->constant = vtn_null_constant(b, val->type->type);
break;
case SpvOpConstantSampler:
vtn_foreach_decoration(b, val, handle_workgroup_size_decoration_cb, NULL);
}
-static void
-vtn_handle_function_call(struct vtn_builder *b, SpvOp opcode,
- const uint32_t *w, unsigned count)
-{
- struct vtn_type *res_type = vtn_value(b, w[1], vtn_value_type_type)->type;
- struct vtn_function *vtn_callee =
- vtn_value(b, w[3], vtn_value_type_function)->func;
- struct nir_function *callee = vtn_callee->impl->function;
-
- vtn_callee->referenced = true;
-
- nir_call_instr *call = nir_call_instr_create(b->nb.shader, callee);
- for (unsigned i = 0; i < call->num_params; i++) {
- unsigned arg_id = w[4 + i];
- struct vtn_value *arg = vtn_untyped_value(b, arg_id);
- if (arg->value_type == vtn_value_type_pointer &&
- arg->pointer->ptr_type->type == NULL) {
- nir_deref_var *d = vtn_pointer_to_deref(b, arg->pointer);
- call->params[i] = nir_deref_var_clone(d, call);
- } else {
- struct vtn_ssa_value *arg_ssa = vtn_ssa_value(b, arg_id);
-
- /* Make a temporary to store the argument in */
- nir_variable *tmp =
- nir_local_variable_create(b->nb.impl, arg_ssa->type, "arg_tmp");
- call->params[i] = nir_deref_var_create(call, tmp);
-
- vtn_local_store(b, arg_ssa, call->params[i]);
- }
- }
-
- nir_variable *out_tmp = NULL;
- vtn_assert(res_type->type == callee->return_type);
- if (!glsl_type_is_void(callee->return_type)) {
- out_tmp = nir_local_variable_create(b->nb.impl, callee->return_type,
- "out_tmp");
- call->return_deref = nir_deref_var_create(call, out_tmp);
- }
-
- nir_builder_instr_insert(&b->nb, &call->instr);
-
- if (glsl_type_is_void(callee->return_type)) {
- vtn_push_value(b, w[2], vtn_value_type_undef);
- } else {
- vtn_push_ssa(b, w[2], res_type, vtn_local_load(b, call->return_deref));
- }
-}
-
struct vtn_ssa_value *
vtn_create_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
{
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:
const struct glsl_type *image_type = sampled.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 bool is_shadow = glsl_sampler_type_is_shadow(image_type);
/* Figure out the base texture operation */
nir_texop texop;
vtn_fail("Unhandled opcode");
}
- nir_tex_src srcs[8]; /* 8 should be enough */
+ nir_tex_src srcs[10]; /* 10 should be enough */
nir_tex_src *p = srcs;
+ nir_deref_instr *sampler = vtn_pointer_to_deref(b, sampled.sampler);
+ nir_deref_instr *texture =
+ sampled.image ? vtn_pointer_to_deref(b, sampled.image) : sampler;
+
+ p->src = nir_src_for_ssa(&texture->dest.ssa);
+ p->src_type = nir_tex_src_texture_deref;
+ p++;
+
+ switch (texop) {
+ case nir_texop_tex:
+ case nir_texop_txb:
+ case nir_texop_txl:
+ case nir_texop_txd:
+ case nir_texop_tg4:
+ case nir_texop_lod:
+ /* These operations require a sampler */
+ p->src = nir_src_for_ssa(&sampler->dest.ssa);
+ p->src_type = nir_tex_src_sampler_deref;
+ p++;
+ break;
+ case nir_texop_txf:
+ case nir_texop_txf_ms:
+ case nir_texop_txs:
+ case nir_texop_query_levels:
+ case nir_texop_texture_samples:
+ case nir_texop_samples_identical:
+ /* These don't */
+ break;
+ case nir_texop_txf_ms_mcs:
+ vtn_fail("unexpected nir_texop_txf_ms_mcs");
+ }
+
unsigned idx = 4;
struct nir_ssa_def *coord;
break;
}
+ bool is_shadow = false;
unsigned gather_component = 0;
switch (opcode) {
case SpvOpImageSampleDrefImplicitLod:
case SpvOpImageSampleProjDrefExplicitLod:
case SpvOpImageDrefGather:
/* These all have an explicit depth value as their next source */
+ is_shadow = true;
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_comparator);
break;
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_offset);
if (operands & SpvImageOperandsConstOffsetsMask) {
+ nir_tex_src none = {0};
gather_offsets = vtn_ssa_value(b, w[idx++]);
- (*p++) = (nir_tex_src){};
+ (*p++) = none;
}
if (operands & SpvImageOperandsSampleMask) {
vtn_fail("Invalid base type for sampler result");
}
- nir_deref_var *sampler = vtn_pointer_to_deref(b, sampled.sampler);
- nir_deref_var *texture;
- if (sampled.image) {
- nir_deref_var *image = vtn_pointer_to_deref(b, sampled.image);
- texture = image;
- } else {
- texture = sampler;
- }
-
- instr->texture = nir_deref_var_clone(texture, instr);
-
- switch (instr->op) {
- case nir_texop_tex:
- case nir_texop_txb:
- case nir_texop_txl:
- case nir_texop_txd:
- case nir_texop_tg4:
- /* These operations require a sampler */
- instr->sampler = nir_deref_var_clone(sampler, instr);
- break;
- case nir_texop_txf:
- case nir_texop_txf_ms:
- case nir_texop_txs:
- case nir_texop_lod:
- case nir_texop_query_levels:
- case nir_texop_texture_samples:
- case nir_texop_samples_identical:
- /* These don't */
- instr->sampler = NULL;
- break;
- case nir_texop_txf_ms_mcs:
- vtn_fail("unexpected nir_texop_txf_ms_mcs");
- }
-
nir_ssa_dest_init(&instr->instr, &instr->dest,
nir_tex_instr_dest_size(instr), 32, NULL);
instrs[i]->is_new_style_shadow = instr->is_new_style_shadow;
instrs[i]->component = instr->component;
instrs[i]->dest_type = instr->dest_type;
- instrs[i]->texture = nir_deref_var_clone(texture, instrs[i]);
- instrs[i]->sampler = NULL;
memcpy(instrs[i]->src, srcs, instr->num_srcs * sizeof(*instr->src));
return nir_swizzle(&b->nb, coord->def, swizzle, 4, false);
}
+static nir_ssa_def *
+expand_to_vec4(nir_builder *b, nir_ssa_def *value)
+{
+ if (value->num_components == 4)
+ return value;
+
+ unsigned swiz[4];
+ for (unsigned i = 0; i < 4; i++)
+ swiz[i] = i < value->num_components ? i : 0;
+ return nir_swizzle(b, value, swiz, 4, false);
+}
+
static void
vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
nir_intrinsic_op op;
switch (opcode) {
-#define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_##N; break;
+#define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
OP(ImageQuerySize, size)
OP(ImageRead, load)
OP(ImageWrite, store)
nir_intrinsic_instr *intrin = nir_intrinsic_instr_create(b->shader, op);
- nir_deref_var *image_deref = vtn_pointer_to_deref(b, image.image);
- intrin->variables[0] = nir_deref_var_clone(image_deref, intrin);
+ nir_deref_instr *image_deref = vtn_pointer_to_deref(b, image.image);
+ intrin->src[0] = nir_src_for_ssa(&image_deref->dest.ssa);
/* ImageQuerySize doesn't take any extra parameters */
if (opcode != SpvOpImageQuerySize) {
/* The image coordinate is always 4 components but we may not have that
* many. Swizzle to compensate.
*/
- unsigned swiz[4];
- for (unsigned i = 0; i < 4; i++)
- swiz[i] = i < image.coord->num_components ? i : 0;
- intrin->src[0] = nir_src_for_ssa(nir_swizzle(&b->nb, image.coord,
- swiz, 4, false));
- intrin->src[1] = nir_src_for_ssa(image.sample);
+ intrin->src[1] = nir_src_for_ssa(expand_to_vec4(&b->nb, image.coord));
+ intrin->src[2] = nir_src_for_ssa(image.sample);
}
switch (opcode) {
case SpvOpImageRead:
break;
case SpvOpAtomicStore:
- intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
- break;
- case SpvOpImageWrite:
- intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[3])->def);
+ 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_intrinsic_image_deref_store always takes a vec4 value */
+ assert(op == nir_intrinsic_image_deref_store);
+ intrin->num_components = 4;
+ intrin->src[3] = nir_src_for_ssa(expand_to_vec4(&b->nb, value));
break;
+ }
case SpvOpAtomicCompareExchange:
case SpvOpAtomicIIncrement:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
- fill_common_atomic_sources(b, opcode, w, &intrin->src[2]);
+ fill_common_atomic_sources(b, opcode, w, &intrin->src[3]);
break;
default:
vtn_fail("Invalid image opcode");
}
- if (opcode != SpvOpImageWrite) {
+ if (opcode != SpvOpImageWrite && opcode != SpvOpAtomicStore) {
struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa);
struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type;
- unsigned dest_components =
- nir_intrinsic_infos[intrin->intrinsic].dest_components;
- if (intrin->intrinsic == nir_intrinsic_image_size) {
- dest_components = intrin->num_components =
- glsl_get_vector_elements(type->type);
- }
+ unsigned dest_components = glsl_get_vector_elements(type->type);
+ intrin->num_components = nir_intrinsic_infos[op].dest_components;
+ if (intrin->num_components == 0)
+ intrin->num_components = dest_components;
nir_ssa_dest_init(&intrin->instr, &intrin->dest,
- dest_components, 32, NULL);
+ intrin->num_components, 32, NULL);
nir_builder_instr_insert(&b->nb, &intrin->instr);
+ nir_ssa_def *result = &intrin->dest.ssa;
+ if (intrin->num_components != dest_components)
+ result = nir_channels(&b->nb, result, (1 << dest_components) - 1);
+
val->ssa = vtn_create_ssa_value(b, type->type);
- val->ssa->def = &intrin->dest.ssa;
+ val->ssa->def = result;
} else {
nir_builder_instr_insert(&b->nb, &intrin->instr);
}
}
static nir_intrinsic_op
+get_uniform_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
+{
+ switch (opcode) {
+#define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
+ OP(AtomicLoad, read_deref)
+ OP(AtomicExchange, exchange)
+ OP(AtomicCompareExchange, comp_swap)
+ OP(AtomicIIncrement, inc_deref)
+ OP(AtomicIDecrement, post_dec_deref)
+ OP(AtomicIAdd, add_deref)
+ OP(AtomicISub, add_deref)
+ OP(AtomicUMin, min_deref)
+ OP(AtomicUMax, max_deref)
+ OP(AtomicAnd, and_deref)
+ OP(AtomicOr, or_deref)
+ OP(AtomicXor, xor_deref)
+#undef OP
+ default:
+ /* We left the following out: AtomicStore, AtomicSMin and
+ * AtomicSmax. Right now there are not nir intrinsics for them. At this
+ * moment Atomic Counter support is needed for ARB_spirv support, so is
+ * only need to support GLSL Atomic Counters that are uints and don't
+ * allow direct storage.
+ */
+ unreachable("Invalid uniform atomic");
+ }
+}
+
+static nir_intrinsic_op
get_shared_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
{
switch (opcode) {
}
static nir_intrinsic_op
-get_var_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
+get_deref_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
{
switch (opcode) {
- case SpvOpAtomicLoad: return nir_intrinsic_load_var;
- case SpvOpAtomicStore: return nir_intrinsic_store_var;
-#define OP(S, N) case SpvOp##S: return nir_intrinsic_var_##N;
+ case SpvOpAtomicLoad: return nir_intrinsic_load_deref;
+ case SpvOpAtomicStore: return nir_intrinsic_store_deref;
+#define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
OP(AtomicExchange, atomic_exchange)
OP(AtomicCompareExchange, atomic_comp_swap)
OP(AtomicIIncrement, atomic_add)
}
}
+/*
+ * Handles shared atomics, ssbo atomics and atomic counters.
+ */
static void
-vtn_handle_ssbo_or_shared_atomic(struct vtn_builder *b, SpvOp opcode,
- const uint32_t *w, unsigned count)
+vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
+ const uint32_t *w, unsigned count)
{
struct vtn_pointer *ptr;
nir_intrinsic_instr *atomic;
SpvMemorySemanticsMask semantics = w[5];
*/
- if (ptr->mode == vtn_variable_mode_workgroup &&
- !b->options->lower_workgroup_access_to_offsets) {
- nir_deref_var *deref = vtn_pointer_to_deref(b, ptr);
- const struct glsl_type *deref_type = nir_deref_tail(&deref->deref)->type;
- nir_intrinsic_op op = get_var_nir_atomic_op(b, opcode);
+ /* uniform as "atomic counter uniform" */
+ if (ptr->mode == vtn_variable_mode_uniform) {
+ 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->variables[0] = nir_deref_var_clone(deref, atomic);
+ atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
+
+ /* SSBO needs to initialize index/offset. In this case we don't need to,
+ * as that info is already stored on the ptr->var->var nir_variable (see
+ * vtn_create_variable)
+ */
switch (opcode) {
case SpvOpAtomicLoad:
case SpvOpAtomicStore:
atomic->num_components = glsl_get_vector_elements(deref_type);
nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1);
- atomic->src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
break;
case SpvOpAtomicExchange:
case SpvOpAtomicAnd:
case SpvOpAtomicOr:
case SpvOpAtomicXor:
- fill_common_atomic_sources(b, opcode, w, &atomic->src[0]);
+ /* Nothing: we don't need to call fill_common_atomic_sources here, as
+ * atomic counter uniforms doesn't have sources
+ */
+ break;
+
+ default:
+ unreachable("Invalid SPIR-V atomic");
+
+ }
+ } else if (ptr->mode == vtn_variable_mode_workgroup &&
+ !b->options->lower_workgroup_access_to_offsets) {
+ nir_deref_instr *deref = vtn_pointer_to_deref(b, ptr);
+ const struct glsl_type *deref_type = deref->type;
+ nir_intrinsic_op op = get_deref_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);
+ atomic->src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
+ break;
+
+ case SpvOpAtomicExchange:
+ case SpvOpAtomicCompareExchange:
+ case SpvOpAtomicCompareExchangeWeak:
+ case SpvOpAtomicIIncrement:
+ case SpvOpAtomicIDecrement:
+ case SpvOpAtomicIAdd:
+ case SpvOpAtomicISub:
+ case SpvOpAtomicSMin:
+ case SpvOpAtomicUMin:
+ case SpvOpAtomicSMax:
+ case SpvOpAtomicUMax:
+ case SpvOpAtomicAnd:
+ case SpvOpAtomicOr:
+ case SpvOpAtomicXor:
+ fill_common_atomic_sources(b, opcode, w, &atomic->src[1]);
break;
default:
}
} else {
nir_ssa_def *offset, *index;
- offset = vtn_pointer_to_offset(b, ptr, &index, NULL);
+ offset = vtn_pointer_to_offset(b, ptr, &index);
nir_intrinsic_op op;
if (ptr->mode == vtn_variable_mode_ssbo) {
{
nir_op op;
switch (num_components) {
- case 1: op = nir_op_fmov; break;
+ case 1: op = nir_op_imov; break;
case 2: op = nir_op_vec2; break;
case 3: op = nir_op_vec3; break;
case 4: op = nir_op_vec4; break;
nir_ssa_def *
vtn_vector_extract(struct vtn_builder *b, nir_ssa_def *src, unsigned index)
{
- unsigned swiz[4] = { index };
- return nir_swizzle(&b->nb, src, swiz, 1, true);
+ return nir_channel(&b->nb, src, index);
}
nir_ssa_def *
return &vec->dest.dest.ssa;
}
+static nir_ssa_def *
+nir_ieq_imm(nir_builder *b, nir_ssa_def *x, uint64_t i)
+{
+ return nir_ieq(b, x, nir_imm_intN_t(b, i, x->bit_size));
+}
+
nir_ssa_def *
vtn_vector_extract_dynamic(struct vtn_builder *b, nir_ssa_def *src,
nir_ssa_def *index)
{
nir_ssa_def *dest = vtn_vector_extract(b, src, 0);
for (unsigned i = 1; i < src->num_components; i++)
- dest = nir_bcsel(&b->nb, nir_ieq(&b->nb, index, nir_imm_int(&b->nb, i)),
+ dest = nir_bcsel(&b->nb, nir_ieq_imm(&b->nb, index, i),
vtn_vector_extract(b, src, i), dest);
return dest;
{
nir_ssa_def *dest = vtn_vector_insert(b, src, insert, 0);
for (unsigned i = 1; i < src->num_components; i++)
- dest = nir_bcsel(&b->nb, nir_ieq(&b->nb, index, nir_imm_int(&b->nb, i)),
+ dest = nir_bcsel(&b->nb, nir_ieq_imm(&b->nb, index, i),
vtn_vector_insert(b, src, insert, i), dest);
return dest;
case SpvOpCompositeConstruct: {
unsigned elems = count - 3;
+ assume(elems >= 1);
if (glsl_type_is_vector_or_scalar(type)) {
- nir_ssa_def *srcs[4];
+ 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;
val->ssa->def =
}
static void
+vtn_emit_barrier(struct vtn_builder *b, nir_intrinsic_op op)
+{
+ nir_intrinsic_instr *intrin = nir_intrinsic_instr_create(b->shader, op);
+ nir_builder_instr_insert(&b->nb, &intrin->instr);
+}
+
+static void
+vtn_emit_memory_barrier(struct vtn_builder *b, SpvScope scope,
+ SpvMemorySemanticsMask semantics)
+{
+ static const SpvMemorySemanticsMask all_memory_semantics =
+ SpvMemorySemanticsUniformMemoryMask |
+ SpvMemorySemanticsWorkgroupMemoryMask |
+ SpvMemorySemanticsAtomicCounterMemoryMask |
+ SpvMemorySemanticsImageMemoryMask;
+
+ /* If we're not actually doing a memory barrier, bail */
+ if (!(semantics & all_memory_semantics))
+ return;
+
+ /* GL and Vulkan don't have these */
+ vtn_assert(scope != SpvScopeCrossDevice);
+
+ if (scope == SpvScopeSubgroup)
+ return; /* Nothing to do here */
+
+ if (scope == SpvScopeWorkgroup) {
+ vtn_emit_barrier(b, nir_intrinsic_group_memory_barrier);
+ return;
+ }
+
+ /* There's only two scopes thing left */
+ vtn_assert(scope == SpvScopeInvocation || scope == SpvScopeDevice);
+
+ if ((semantics & all_memory_semantics) == all_memory_semantics) {
+ vtn_emit_barrier(b, nir_intrinsic_memory_barrier);
+ return;
+ }
+
+ /* 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;
+ default:
+ break;;
+ }
+ }
+}
+
+static void
vtn_handle_barrier(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
- nir_intrinsic_op intrinsic_op;
switch (opcode) {
case SpvOpEmitVertex:
case SpvOpEmitStreamVertex:
- intrinsic_op = nir_intrinsic_emit_vertex;
- break;
case SpvOpEndPrimitive:
- case SpvOpEndStreamPrimitive:
- intrinsic_op = nir_intrinsic_end_primitive;
- break;
- case SpvOpMemoryBarrier:
- intrinsic_op = nir_intrinsic_memory_barrier;
- break;
- case SpvOpControlBarrier:
- intrinsic_op = nir_intrinsic_barrier;
+ case SpvOpEndStreamPrimitive: {
+ nir_intrinsic_op intrinsic_op;
+ switch (opcode) {
+ case SpvOpEmitVertex:
+ case SpvOpEmitStreamVertex:
+ intrinsic_op = nir_intrinsic_emit_vertex;
+ break;
+ case SpvOpEndPrimitive:
+ case SpvOpEndStreamPrimitive:
+ intrinsic_op = nir_intrinsic_end_primitive;
+ break;
+ default:
+ unreachable("Invalid opcode");
+ }
+
+ nir_intrinsic_instr *intrin =
+ nir_intrinsic_instr_create(b->shader, intrinsic_op);
+
+ switch (opcode) {
+ case SpvOpEmitStreamVertex:
+ case SpvOpEndStreamPrimitive: {
+ unsigned stream = vtn_constant_value(b, w[1])->values[0].u32[0];
+ nir_intrinsic_set_stream_id(intrin, stream);
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ nir_builder_instr_insert(&b->nb, &intrin->instr);
break;
- default:
- vtn_fail("unknown barrier instruction");
}
- nir_intrinsic_instr *intrin =
- nir_intrinsic_instr_create(b->shader, intrinsic_op);
+ case SpvOpMemoryBarrier: {
+ SpvScope scope = vtn_constant_value(b, w[1])->values[0].u32[0];
+ SpvMemorySemanticsMask semantics =
+ vtn_constant_value(b, w[2])->values[0].u32[0];
+ vtn_emit_memory_barrier(b, scope, semantics);
+ return;
+ }
+
+ case SpvOpControlBarrier: {
+ SpvScope execution_scope =
+ vtn_constant_value(b, w[1])->values[0].u32[0];
+ if (execution_scope == SpvScopeWorkgroup)
+ vtn_emit_barrier(b, nir_intrinsic_barrier);
- if (opcode == SpvOpEmitStreamVertex || opcode == SpvOpEndStreamPrimitive)
- nir_intrinsic_set_stream_id(intrin, w[1]);
+ SpvScope memory_scope =
+ vtn_constant_value(b, w[2])->values[0].u32[0];
+ SpvMemorySemanticsMask memory_semantics =
+ vtn_constant_value(b, w[3])->values[0].u32[0];
+ vtn_emit_memory_barrier(b, memory_scope, memory_semantics);
+ break;
+ }
- nir_builder_instr_insert(&b->nb, &intrin->instr);
+ default:
+ unreachable("unknown barrier instruction");
+ }
}
static unsigned
spirv_capability_to_string(cap)); \
} while(0)
+
+void
+vtn_handle_entry_point(struct vtn_builder *b, const uint32_t *w,
+ unsigned count)
+{
+ struct vtn_value *entry_point = &b->values[w[2]];
+ /* Let this be a name label regardless */
+ unsigned name_words;
+ entry_point->name = vtn_string_literal(b, &w[3], count - 3, &name_words);
+
+ if (strcmp(entry_point->name, b->entry_point_name) != 0 ||
+ stage_for_execution_model(b, w[1]) != b->entry_point_stage)
+ return;
+
+ vtn_assert(b->entry_point == NULL);
+ b->entry_point = entry_point;
+}
+
static bool
vtn_handle_preamble_instruction(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
case SpvOpSourceExtension:
case SpvOpSourceContinued:
case SpvOpExtension:
+ case SpvOpModuleProcessed:
/* Unhandled, but these are for debug so that's ok. */
break;
case SpvCapabilityStorageImageExtendedFormats:
break;
- case SpvCapabilityGeometryStreams:
case SpvCapabilityLinkage:
case SpvCapabilityVector16:
case SpvCapabilityFloat16Buffer:
case SpvCapabilityFloat16:
case SpvCapabilityInt64Atomics:
- case SpvCapabilityAtomicStorage:
- case SpvCapabilityInt16:
case SpvCapabilityStorageImageMultisample:
case SpvCapabilityInt8:
case SpvCapabilitySparseResidency:
case SpvCapabilityMinLod:
- case SpvCapabilityTransformFeedback:
vtn_warn("Unsupported SPIR-V capability: %s",
spirv_capability_to_string(cap));
break;
+ case SpvCapabilityAtomicStorage:
+ spv_check_supported(atomic_storage, cap);
+ break;
+
case SpvCapabilityFloat64:
spv_check_supported(float64, cap);
break;
case SpvCapabilityInt64:
spv_check_supported(int64, cap);
break;
+ case SpvCapabilityInt16:
+ spv_check_supported(int16, cap);
+ break;
+
+ case SpvCapabilityTransformFeedback:
+ spv_check_supported(transform_feedback, cap);
+ break;
+
+ case SpvCapabilityGeometryStreams:
+ spv_check_supported(geometry_streams, cap);
+ break;
case SpvCapabilityAddresses:
case SpvCapabilityKernel:
spv_check_supported(image_write_without_format, cap);
break;
+ case SpvCapabilityDeviceGroup:
+ spv_check_supported(device_group, cap);
+ break;
+
case SpvCapabilityMultiView:
spv_check_supported(multiview, cap);
break;
+ case SpvCapabilityGroupNonUniform:
+ spv_check_supported(subgroup_basic, cap);
+ break;
+
+ case SpvCapabilityGroupNonUniformVote:
+ spv_check_supported(subgroup_vote, cap);
+ break;
+
+ case SpvCapabilitySubgroupBallotKHR:
+ case SpvCapabilityGroupNonUniformBallot:
+ spv_check_supported(subgroup_ballot, cap);
+ break;
+
+ case SpvCapabilityGroupNonUniformShuffle:
+ case SpvCapabilityGroupNonUniformShuffleRelative:
+ spv_check_supported(subgroup_shuffle, cap);
+ break;
+
+ case SpvCapabilityGroupNonUniformQuad:
+ spv_check_supported(subgroup_quad, cap);
+ break;
+
+ case SpvCapabilityGroupNonUniformArithmetic:
+ case SpvCapabilityGroupNonUniformClustered:
+ spv_check_supported(subgroup_arithmetic, cap);
+ break;
+
case SpvCapabilityVariablePointersStorageBuffer:
case SpvCapabilityVariablePointers:
spv_check_supported(variable_pointers, cap);
spv_check_supported(storage_16bit, cap);
break;
+ case SpvCapabilityShaderViewportIndexLayerEXT:
+ spv_check_supported(shader_viewport_index_layer, cap);
+ break;
+
+ case SpvCapabilityStorageBuffer8BitAccess:
+ case SpvCapabilityUniformAndStorageBuffer8BitAccess:
+ case SpvCapabilityStoragePushConstant8:
+ spv_check_supported(storage_8bit, cap);
+ break;
+
+ case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT:
+ case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT:
+ case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT:
+ spv_check_supported(descriptor_array_dynamic_indexing, cap);
+ break;
+
+ case SpvCapabilityRuntimeDescriptorArrayEXT:
+ spv_check_supported(runtime_descriptor_array, cap);
+ break;
+
+ case SpvCapabilityStencilExportEXT:
+ spv_check_supported(stencil_export, cap);
+ break;
+
+ case SpvCapabilitySampleMaskPostDepthCoverage:
+ spv_check_supported(post_depth_coverage, cap);
+ break;
+
default:
vtn_fail("Unhandled capability");
}
w[2] == SpvMemoryModelGLSL450);
break;
- case SpvOpEntryPoint: {
- struct vtn_value *entry_point = &b->values[w[2]];
- /* Let this be a name label regardless */
- unsigned name_words;
- entry_point->name = vtn_string_literal(b, &w[3], count - 3, &name_words);
-
- if (strcmp(entry_point->name, b->entry_point_name) != 0 ||
- stage_for_execution_model(b, w[1]) != b->entry_point_stage)
- break;
-
- vtn_assert(b->entry_point == NULL);
- b->entry_point = entry_point;
+ case SpvOpEntryPoint:
+ vtn_handle_entry_point(b, w, count);
break;
- }
case SpvOpString:
vtn_push_value(b, w[1], vtn_value_type_string)->str =
case SpvOpMemberDecorate:
case SpvOpGroupDecorate:
case SpvOpGroupMemberDecorate:
+ case SpvOpDecorateStringGOOGLE:
+ case SpvOpMemberDecorateStringGOOGLE:
vtn_handle_decoration(b, opcode, w, count);
break;
b->shader->info.fs.early_fragment_tests = true;
break;
+ case SpvExecutionModePostDepthCoverage:
+ vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
+ b->shader->info.fs.post_depth_coverage = true;
+ break;
+
case SpvExecutionModeInvocations:
vtn_assert(b->shader->info.stage == MESA_SHADER_GEOMETRY);
b->shader->info.gs.invocations = MAX2(1, mode->literals[0]);
vtn_assert(b->shader->info.stage == MESA_SHADER_GEOMETRY);
b->shader->info.gs.vertices_in =
vertices_in_from_spv_execution_mode(b, mode->exec_mode);
+ b->shader->info.gs.input_primitive =
+ gl_primitive_from_spv_execution_mode(b, mode->exec_mode);
}
break;
break;
case SpvExecutionModeXfb:
- vtn_fail("Unhandled execution mode");
+ b->shader->info.has_transform_feedback_varyings = true;
break;
case SpvExecutionModeVecTypeHint:
case SpvExecutionModeContractionOff:
break; /* OpenCL */
+ case SpvExecutionModeStencilRefReplacingEXT:
+ vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
+ break;
+
default:
vtn_fail("Unhandled execution mode");
}
vtn_handle_variable_or_type_instruction(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
+ vtn_set_instruction_result_type(b, opcode, w, count);
+
switch (opcode) {
case SpvOpSource:
case SpvOpSourceContinued:
case SpvOpMemberDecorate:
case SpvOpGroupDecorate:
case SpvOpGroupMemberDecorate:
+ case SpvOpDecorateStringGOOGLE:
+ case SpvOpMemberDecorateStringGOOGLE:
vtn_fail("Invalid opcode types and variables section");
break;
case SpvOpImageQuerySize: {
struct vtn_pointer *image =
vtn_value(b, w[3], vtn_value_type_pointer)->pointer;
- if (image->mode == vtn_variable_mode_image) {
+ if (glsl_type_is_image(image->type->type)) {
vtn_handle_image(b, opcode, w, count);
} else {
- vtn_assert(image->mode == vtn_variable_mode_sampler);
+ vtn_assert(glsl_type_is_sampler(image->type->type));
vtn_handle_texture(b, opcode, w, count);
}
break;
vtn_handle_image(b, opcode, w, count);
} else {
vtn_assert(pointer->value_type == vtn_value_type_pointer);
- vtn_handle_ssbo_or_shared_atomic(b, opcode, w, count);
+ vtn_handle_atomics(b, opcode, w, count);
}
break;
}
vtn_handle_image(b, opcode, w, count);
} else {
vtn_assert(pointer->value_type == vtn_value_type_pointer);
- vtn_handle_ssbo_or_shared_atomic(b, opcode, w, count);
+ vtn_handle_atomics(b, opcode, w, count);
}
break;
}
/* Handle OpSelect up-front here because it needs to be able to handle
* pointers and not just regular vectors and scalars.
*/
+ struct vtn_value *res_val = vtn_untyped_value(b, w[2]);
+ struct vtn_value *sel_val = vtn_untyped_value(b, w[3]);
+ struct vtn_value *obj1_val = vtn_untyped_value(b, w[4]);
+ struct vtn_value *obj2_val = vtn_untyped_value(b, w[5]);
+
+ const struct glsl_type *sel_type;
+ switch (res_val->type->base_type) {
+ case vtn_base_type_scalar:
+ sel_type = glsl_bool_type();
+ break;
+ case vtn_base_type_vector:
+ sel_type = glsl_vector_type(GLSL_TYPE_BOOL, res_val->type->length);
+ break;
+ case vtn_base_type_pointer:
+ /* We need to have actual storage for pointer types */
+ vtn_fail_if(res_val->type->type == NULL,
+ "Invalid pointer result type for OpSelect");
+ sel_type = glsl_bool_type();
+ break;
+ default:
+ vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
+ }
+
+ if (unlikely(sel_val->type->type != sel_type)) {
+ if (sel_val->type->type == glsl_bool_type()) {
+ /* This case is illegal but some older versions of GLSLang produce
+ * it. The GLSLang issue was fixed on March 30, 2017:
+ *
+ * https://github.com/KhronosGroup/glslang/issues/809
+ *
+ * Unfortunately, there are applications in the wild which are
+ * shipping with this bug so it isn't nice to fail on them so we
+ * throw a warning instead. It's not actually a problem for us as
+ * nir_builder will just splat the condition out which is most
+ * likely what the client wanted anyway.
+ */
+ vtn_warn("Condition type of OpSelect must have the same number "
+ "of components as Result Type");
+ } else {
+ vtn_fail("Condition type of OpSelect must be a scalar or vector "
+ "of Boolean type. It must have the same number of "
+ "components as Result Type");
+ }
+ }
+
+ vtn_fail_if(obj1_val->type != res_val->type ||
+ obj2_val->type != res_val->type,
+ "Object types must match the result type in OpSelect");
+
struct vtn_type *res_type = vtn_value(b, w[1], vtn_value_type_type)->type;
struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, res_type->type);
ssa->def = nir_bcsel(&b->nb, vtn_ssa_value(b, w[3])->def,
vtn_handle_barrier(b, opcode, w, count);
break;
+ case SpvOpGroupNonUniformElect:
+ case SpvOpGroupNonUniformAll:
+ case SpvOpGroupNonUniformAny:
+ case SpvOpGroupNonUniformAllEqual:
+ case SpvOpGroupNonUniformBroadcast:
+ case SpvOpGroupNonUniformBroadcastFirst:
+ case SpvOpGroupNonUniformBallot:
+ case SpvOpGroupNonUniformInverseBallot:
+ case SpvOpGroupNonUniformBallotBitExtract:
+ case SpvOpGroupNonUniformBallotBitCount:
+ case SpvOpGroupNonUniformBallotFindLSB:
+ case SpvOpGroupNonUniformBallotFindMSB:
+ case SpvOpGroupNonUniformShuffle:
+ case SpvOpGroupNonUniformShuffleXor:
+ case SpvOpGroupNonUniformShuffleUp:
+ case SpvOpGroupNonUniformShuffleDown:
+ case SpvOpGroupNonUniformIAdd:
+ case SpvOpGroupNonUniformFAdd:
+ case SpvOpGroupNonUniformIMul:
+ case SpvOpGroupNonUniformFMul:
+ case SpvOpGroupNonUniformSMin:
+ case SpvOpGroupNonUniformUMin:
+ case SpvOpGroupNonUniformFMin:
+ case SpvOpGroupNonUniformSMax:
+ case SpvOpGroupNonUniformUMax:
+ case SpvOpGroupNonUniformFMax:
+ case SpvOpGroupNonUniformBitwiseAnd:
+ case SpvOpGroupNonUniformBitwiseOr:
+ case SpvOpGroupNonUniformBitwiseXor:
+ case SpvOpGroupNonUniformLogicalAnd:
+ case SpvOpGroupNonUniformLogicalOr:
+ case SpvOpGroupNonUniformLogicalXor:
+ case SpvOpGroupNonUniformQuadBroadcast:
+ case SpvOpGroupNonUniformQuadSwap:
+ vtn_handle_subgroup(b, opcode, w, count);
+ break;
+
default:
vtn_fail("Unhandled opcode");
}
return true;
}
-nir_function *
-spirv_to_nir(const uint32_t *words, size_t word_count,
- struct nir_spirv_specialization *spec, unsigned num_spec,
- gl_shader_stage stage, const char *entry_point_name,
- const struct spirv_to_nir_options *options,
- const nir_shader_compiler_options *nir_options)
+struct vtn_builder*
+vtn_create_builder(const uint32_t *words, size_t word_count,
+ gl_shader_stage stage, const char *entry_point_name,
+ const struct spirv_to_nir_options *options)
{
- /* Initialize the stn_builder object */
+ /* Initialize the vtn_builder object */
struct vtn_builder *b = rzalloc(NULL, struct vtn_builder);
b->spirv = words;
+ b->spirv_word_count = word_count;
b->file = NULL;
b->line = -1;
b->col = -1;
b->entry_point_name = entry_point_name;
b->options = options;
- /* See also _vtn_fail() */
- if (setjmp(b->fail_jump)) {
- ralloc_free(b);
- return NULL;
- }
-
- const uint32_t *word_end = words + word_count;
+ /*
+ * Handle the SPIR-V header (first 5 dwords).
+ * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
+ */
+ if (word_count <= 5)
+ goto fail;
- /* Handle the SPIR-V header (first 4 dwords) */
- vtn_assert(word_count > 5);
+ if (words[0] != SpvMagicNumber) {
+ vtn_err("words[0] was 0x%x, want 0x%x", words[0], SpvMagicNumber);
+ goto fail;
+ }
+ if (words[1] < 0x10000) {
+ vtn_err("words[1] was 0x%x, want >= 0x10000", words[1]);
+ goto fail;
+ }
- vtn_assert(words[0] == SpvMagicNumber);
- vtn_assert(words[1] >= 0x10000);
/* words[2] == generator magic */
unsigned value_id_bound = words[3];
- vtn_assert(words[4] == 0);
-
- words+= 5;
+ if (words[4] != 0) {
+ vtn_err("words[4] was %u, want 0", words[4]);
+ goto fail;
+ }
b->value_id_bound = value_id_bound;
b->values = rzalloc_array(b, struct vtn_value, value_id_bound);
+ return b;
+ fail:
+ ralloc_free(b);
+ return NULL;
+}
+
+nir_function *
+spirv_to_nir(const uint32_t *words, size_t word_count,
+ struct nir_spirv_specialization *spec, unsigned num_spec,
+ gl_shader_stage stage, const char *entry_point_name,
+ const struct spirv_to_nir_options *options,
+ const nir_shader_compiler_options *nir_options)
+
+{
+ const uint32_t *word_end = words + word_count;
+
+ struct vtn_builder *b = vtn_create_builder(words, word_count,
+ stage, entry_point_name,
+ options);
+
+ if (b == NULL)
+ return NULL;
+
+ /* See also _vtn_fail() */
+ if (setjmp(b->fail_jump)) {
+ ralloc_free(b);
+ return NULL;
+ }
+
+ /* Skip the SPIR-V header, handled at vtn_create_builder */
+ words+= 5;
+
/* Handle all the preamble instructions */
words = vtn_foreach_instruction(b, words, word_end,
vtn_handle_preamble_instruction);
words = vtn_foreach_instruction(b, words, word_end,
vtn_handle_variable_or_type_instruction);
+ /* Set types on all vtn_values */
+ vtn_foreach_instruction(b, words, word_end, vtn_set_instruction_result_type);
+
vtn_build_cfg(b, words, word_end);
assert(b->entry_point->value_type == vtn_value_type_function);
}
} while (progress);
+ /* We sometimes generate bogus derefs that, while never used, give the
+ * validator a bit of heartburn. Run dead code to get rid of them.
+ */
+ nir_opt_dce(b->shader);
+
vtn_assert(b->entry_point->value_type == vtn_value_type_function);
nir_function *entry_point = b->entry_point->func->impl->function;
vtn_assert(entry_point);
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