#include "nir/nir_deref.h"
#include "spirv_info.h"
+#include "util/u_math.h"
+
#include <stdio.h>
void
break;
case SpvDecorationCPacked:
+ if (b->shader->info.stage != MESA_SHADER_KERNEL)
+ vtn_warn("Decoration only allowed for CL-style kernels: %s",
+ spirv_decoration_to_string(dec->decoration));
+ else
+ ctx->type->packed = true;
+ break;
+
case SpvDecorationSaturatedConversion:
case SpvDecorationFuncParamAttr:
case SpvDecorationFPRoundingMode:
ctx->fields[member].type = ctx->type->members[member]->type;
}
+static void
+struct_block_decoration_cb(struct vtn_builder *b,
+ struct vtn_value *val, int member,
+ const struct vtn_decoration *dec, void *ctx)
+{
+ if (member != -1)
+ return;
+
+ struct vtn_type *type = val->type;
+ if (dec->decoration == SpvDecorationBlock)
+ type->block = true;
+ else if (dec->decoration == SpvDecorationBufferBlock)
+ type->buffer_block = true;
+}
+
static void
type_decoration_cb(struct vtn_builder *b,
struct vtn_value *val, int member,
break;
case SpvDecorationBlock:
vtn_assert(type->base_type == vtn_base_type_struct);
- type->block = true;
+ vtn_assert(type->block);
break;
case SpvDecorationBufferBlock:
vtn_assert(type->base_type == vtn_base_type_struct);
- type->buffer_block = true;
+ vtn_assert(type->buffer_block);
break;
case SpvDecorationGLSLShared:
case SpvDecorationGLSLPacked:
break;
case SpvDecorationCPacked:
+ if (b->shader->info.stage != MESA_SHADER_KERNEL)
+ vtn_warn("Decoration only allowed for CL-style kernels: %s",
+ spirv_decoration_to_string(dec->decoration));
+ else
+ type->packed = true;
+ break;
+
case SpvDecorationSaturatedConversion:
case SpvDecorationFuncParamAttr:
case SpvDecorationFPRoundingMode:
val->type->base_type = vtn_base_type_array;
val->type->array_element = array_element;
- val->type->stride = 0;
+ if (b->shader->info.stage == MESA_SHADER_KERNEL)
+ val->type->stride = glsl_get_cl_size(array_element->type);
vtn_foreach_decoration(b, val, array_stride_decoration_cb, NULL);
val->type->type = glsl_array_type(array_element->type, val->type->length,
val->type->length = num_fields;
val->type->members = ralloc_array(b, struct vtn_type *, num_fields);
val->type->offsets = ralloc_array(b, unsigned, num_fields);
+ val->type->packed = false;
NIR_VLA(struct glsl_struct_field, fields, count);
for (unsigned i = 0; i < num_fields; i++) {
};
}
+ if (b->shader->info.stage == MESA_SHADER_KERNEL) {
+ unsigned offset = 0;
+ for (unsigned i = 0; i < num_fields; i++) {
+ offset = align(offset, glsl_get_cl_alignment(fields[i].type));
+ fields[i].offset = offset;
+ offset += glsl_get_cl_size(fields[i].type);
+ }
+ }
+
struct member_decoration_ctx ctx = {
.num_fields = num_fields,
.fields = fields,
vtn_foreach_decoration(b, val, struct_member_decoration_cb, &ctx);
vtn_foreach_decoration(b, val, struct_member_matrix_stride_cb, &ctx);
- const char *name = val->name ? val->name : "struct";
+ vtn_foreach_decoration(b, val, struct_block_decoration_cb, NULL);
+
+ const char *name = val->name;
- val->type->type = glsl_struct_type(fields, num_fields, name);
+ if (val->type->block || val->type->buffer_block) {
+ /* Packing will be ignored since types coming from SPIR-V are
+ * explicitly laid out.
+ */
+ val->type->type = glsl_interface_type(fields, num_fields,
+ /* packing */ 0, false,
+ name ? name : "block");
+ } else {
+ val->type->type = glsl_struct_type(fields, num_fields,
+ name ? name : "struct", false);
+ }
break;
}
case SpvStorageClassWorkgroup:
val->type->type = b->options->shared_ptr_type;
break;
+ case SpvStorageClassCrossWorkgroup:
+ val->type->type = b->options->global_ptr_type;
+ break;
+ case SpvStorageClassFunction:
+ if (b->physical_ptrs)
+ val->type->type = b->options->temp_ptr_type;
+ break;
default:
/* In this case, no variable pointers are allowed so all deref
* chains are complete back to the variable and it doesn't matter
vtn_foreach_decoration(b, val, array_stride_decoration_cb, NULL);
+ if (b->physical_ptrs) {
+ switch (storage_class) {
+ case SpvStorageClassFunction:
+ case SpvStorageClassWorkgroup:
+ case SpvStorageClassCrossWorkgroup:
+ val->type->stride = align(glsl_get_cl_size(val->type->deref->type),
+ glsl_get_cl_alignment(val->type->deref->type));
+ break;
+ default:
+ break;
+ }
+ }
+
if (storage_class == SpvStorageClassWorkgroup &&
b->options->lower_workgroup_access_to_offsets) {
uint32_t size, align;
vtn_fail("Invalid SPIR-V image dimensionality");
}
- bool is_shadow = w[4];
+ /* w[4]: as per Vulkan spec "Validation Rules within a Module",
+ * The “Depth” operand of OpTypeImage is ignored.
+ */
bool is_array = w[5];
bool multisampled = w[6];
unsigned sampled = w[7];
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,
+ val->type->type = glsl_sampler_type(dim, false, is_array,
sampled_base_type);
} else if (sampled == 2) {
- vtn_assert(!is_shadow);
val->type->sampled = false;
val->type->type = glsl_image_type(dim, is_array, sampled_base_type);
} else {
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];
+ nir_const_value src[3];
for (unsigned i = 0; i < count - 4; i++) {
struct vtn_value *src_val =
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:
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_lod);
/* Now we need to handle some number of optional arguments */
- const struct vtn_ssa_value *gather_offsets = NULL;
+ struct vtn_value *gather_offsets = NULL;
if (idx < count) {
uint32_t operands = w[idx++];
(*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++) = none;
+ vtn_assert(texop == nir_texop_tg4);
+ gather_offsets = vtn_value(b, w[idx++], vtn_value_type_constant);
}
if (operands & SpvImageOperandsSampleMask) {
is_shadow && glsl_get_components(ret_type->type) == 1;
instr->component = gather_component;
+ if (sampled.image && (sampled.image->access & ACCESS_NON_UNIFORM))
+ instr->texture_non_uniform = true;
+
+ if (sampled.sampler && (sampled.sampler->access & ACCESS_NON_UNIFORM))
+ instr->sampler_non_uniform = true;
+
switch (glsl_get_sampler_result_type(image_type)) {
case GLSL_TYPE_FLOAT: instr->dest_type = nir_type_float; break;
case GLSL_TYPE_INT: instr->dest_type = nir_type_int; break;
vtn_assert(glsl_get_vector_elements(ret_type->type) ==
nir_tex_instr_dest_size(instr));
- nir_ssa_def *def;
- nir_instr *instruction;
if (gather_offsets) {
- vtn_assert(glsl_get_base_type(gather_offsets->type) == GLSL_TYPE_ARRAY);
- vtn_assert(glsl_get_length(gather_offsets->type) == 4);
- nir_tex_instr *instrs[4] = {instr, NULL, NULL, NULL};
-
- /* Copy the current instruction 4x */
- for (uint32_t i = 1; i < 4; i++) {
- instrs[i] = nir_tex_instr_create(b->shader, instr->num_srcs);
- instrs[i]->op = instr->op;
- instrs[i]->coord_components = instr->coord_components;
- instrs[i]->sampler_dim = instr->sampler_dim;
- instrs[i]->is_array = instr->is_array;
- instrs[i]->is_shadow = instr->is_shadow;
- instrs[i]->is_new_style_shadow = instr->is_new_style_shadow;
- instrs[i]->component = instr->component;
- instrs[i]->dest_type = instr->dest_type;
-
- memcpy(instrs[i]->src, srcs, instr->num_srcs * sizeof(*instr->src));
-
- nir_ssa_dest_init(&instrs[i]->instr, &instrs[i]->dest,
- nir_tex_instr_dest_size(instr), 32, NULL);
- }
-
- /* Fill in the last argument with the offset from the passed in offsets
- * and insert the instruction into the stream.
- */
+ vtn_fail_if(gather_offsets->type->base_type != vtn_base_type_array ||
+ gather_offsets->type->length != 4,
+ "ConstOffsets must be an array of size four of vectors "
+ "of two integer components");
+
+ struct vtn_type *vec_type = gather_offsets->type->array_element;
+ vtn_fail_if(vec_type->base_type != vtn_base_type_vector ||
+ vec_type->length != 2 ||
+ !glsl_type_is_integer(vec_type->type),
+ "ConstOffsets must be an array of size four of vectors "
+ "of two integer components");
+
+ unsigned bit_size = glsl_get_bit_size(vec_type->type);
for (uint32_t i = 0; i < 4; i++) {
- nir_tex_src src;
- src.src = nir_src_for_ssa(gather_offsets->elems[i]->def);
- src.src_type = nir_tex_src_offset;
- instrs[i]->src[instrs[i]->num_srcs - 1] = src;
- nir_builder_instr_insert(&b->nb, &instrs[i]->instr);
- }
-
- /* Combine the results of the 4 instructions by taking their .w
- * components
- */
- nir_alu_instr *vec4 = nir_alu_instr_create(b->shader, nir_op_vec4);
- nir_ssa_dest_init(&vec4->instr, &vec4->dest.dest, 4, 32, NULL);
- vec4->dest.write_mask = 0xf;
- for (uint32_t i = 0; i < 4; i++) {
- vec4->src[i].src = nir_src_for_ssa(&instrs[i]->dest.ssa);
- vec4->src[i].swizzle[0] = 3;
+ const nir_const_value *cvec =
+ &gather_offsets->constant->elements[i]->values[0];
+ for (uint32_t j = 0; j < 2; j++) {
+ switch (bit_size) {
+ case 8: instr->tg4_offsets[i][j] = cvec->i8[j]; break;
+ case 16: instr->tg4_offsets[i][j] = cvec->i16[j]; break;
+ case 32: instr->tg4_offsets[i][j] = cvec->i32[j]; break;
+ case 64: instr->tg4_offsets[i][j] = cvec->i64[j]; break;
+ default:
+ vtn_fail("Unsupported bit size");
+ }
+ }
}
- def = &vec4->dest.dest.ssa;
- instruction = &vec4->instr;
- } else {
- def = &instr->dest.ssa;
- instruction = &instr->instr;
}
val->ssa = vtn_create_ssa_value(b, ret_type->type);
- val->ssa->def = def;
+ val->ssa->def = &instr->dest.ssa;
- nir_builder_instr_insert(&b->nb, instruction);
+ nir_builder_instr_insert(&b->nb, &instr->instr);
}
static void
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_imm(&b->nb, index, i),
- vtn_vector_extract(b, src, i), dest);
-
- return dest;
+ return nir_vector_extract(&b->nb, src, nir_i2i(&b->nb, index, 32));
}
nir_ssa_def *
spv_check_supported(physical_storage_buffer_address, cap);
break;
+ case SpvCapabilityComputeDerivativeGroupQuadsNV:
+ case SpvCapabilityComputeDerivativeGroupLinearNV:
+ spv_check_supported(derivative_group, cap);
+ break;
+
default:
vtn_fail("Unhandled capability");
}
"AddressingModelPhysical32 only supported for kernels");
b->shader->info.cs.ptr_size = 32;
b->physical_ptrs = true;
+ b->options->shared_ptr_type = glsl_uint_type();
+ b->options->global_ptr_type = glsl_uint_type();
+ b->options->temp_ptr_type = glsl_uint_type();
break;
case SpvAddressingModelPhysical64:
vtn_fail_if(b->shader->info.stage != MESA_SHADER_KERNEL,
"AddressingModelPhysical64 only supported for kernels");
b->shader->info.cs.ptr_size = 64;
b->physical_ptrs = true;
+ b->options->shared_ptr_type = glsl_uint64_t_type();
+ b->options->global_ptr_type = glsl_uint64_t_type();
+ b->options->temp_ptr_type = glsl_uint64_t_type();
break;
case SpvAddressingModelLogical:
vtn_fail_if(b->shader->info.stage >= MESA_SHADER_STAGES,
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
break;
+ case SpvExecutionModeDerivativeGroupQuadsNV:
+ vtn_assert(b->shader->info.stage == MESA_SHADER_COMPUTE);
+ b->shader->info.cs.derivative_group = DERIVATIVE_GROUP_QUADS;
+ break;
+
+ case SpvExecutionModeDerivativeGroupLinearNV:
+ vtn_assert(b->shader->info.stage == MESA_SHADER_COMPUTE);
+ b->shader->info.cs.derivative_group = DERIVATIVE_GROUP_LINEAR;
+ break;
+
default:
vtn_fail("Unhandled execution mode");
}
case SpvOpAccessChain:
case SpvOpPtrAccessChain:
case SpvOpInBoundsAccessChain:
+ case SpvOpInBoundsPtrAccessChain:
case SpvOpArrayLength:
case SpvOpConvertPtrToU:
case SpvOpConvertUToPtr:
{
/* Initialize the vtn_builder object */
struct vtn_builder *b = rzalloc(NULL, struct vtn_builder);
+ struct spirv_to_nir_options *dup_options =
+ ralloc(b, struct spirv_to_nir_options);
+ *dup_options = *options;
+
b->spirv = words;
b->spirv_word_count = word_count;
b->file = NULL;
exec_list_make_empty(&b->functions);
b->entry_point_stage = stage;
b->entry_point_name = entry_point_name;
- b->options = options;
+ b->options = dup_options;
/*
* Handle the SPIR-V header (first 5 dwords).
return NULL;
}
+static nir_function *
+vtn_emit_kernel_entry_point_wrapper(struct vtn_builder *b,
+ nir_function *entry_point)
+{
+ vtn_assert(entry_point == b->entry_point->func->impl->function);
+ vtn_fail_if(!entry_point->name, "entry points are required to have a name");
+ const char *func_name =
+ ralloc_asprintf(b->shader, "__wrapped_%s", entry_point->name);
+
+ /* we shouldn't have any inputs yet */
+ vtn_assert(!entry_point->shader->num_inputs);
+ vtn_assert(b->shader->info.stage == MESA_SHADER_KERNEL);
+
+ nir_function *main_entry_point = nir_function_create(b->shader, func_name);
+ main_entry_point->impl = nir_function_impl_create(main_entry_point);
+ nir_builder_init(&b->nb, main_entry_point->impl);
+ b->nb.cursor = nir_after_cf_list(&main_entry_point->impl->body);
+ b->func_param_idx = 0;
+
+ nir_call_instr *call = nir_call_instr_create(b->nb.shader, entry_point);
+
+ for (unsigned i = 0; i < entry_point->num_params; ++i) {
+ struct vtn_type *param_type = b->entry_point->func->type->params[i];
+
+ /* consider all pointers to function memory to be parameters passed
+ * by value
+ */
+ bool is_by_val = param_type->base_type == vtn_base_type_pointer &&
+ param_type->storage_class == SpvStorageClassFunction;
+
+ /* input variable */
+ nir_variable *in_var = rzalloc(b->nb.shader, nir_variable);
+ in_var->data.mode = nir_var_shader_in;
+ in_var->data.read_only = true;
+ in_var->data.location = i;
+
+ if (is_by_val)
+ in_var->type = param_type->deref->type;
+ else
+ in_var->type = param_type->type;
+
+ nir_shader_add_variable(b->nb.shader, in_var);
+ b->nb.shader->num_inputs++;
+
+ /* we have to copy the entire variable into function memory */
+ if (is_by_val) {
+ nir_variable *copy_var =
+ nir_local_variable_create(main_entry_point->impl, in_var->type,
+ "copy_in");
+ nir_copy_var(&b->nb, copy_var, in_var);
+ call->params[i] =
+ nir_src_for_ssa(&nir_build_deref_var(&b->nb, copy_var)->dest.ssa);
+ } else {
+ call->params[i] = nir_src_for_ssa(nir_load_var(&b->nb, in_var));
+ }
+ }
+
+ nir_builder_instr_insert(&b->nb, &call->instr);
+
+ return main_entry_point;
+}
+
nir_function *
spirv_to_nir(const uint32_t *words, size_t word_count,
struct nir_spirv_specialization *spec, unsigned num_spec,
nir_function *entry_point = b->entry_point->func->impl->function;
vtn_assert(entry_point);
+ /* post process entry_points with input params */
+ if (entry_point->num_params && b->shader->info.stage == MESA_SHADER_KERNEL)
+ entry_point = vtn_emit_kernel_entry_point_wrapper(b, entry_point);
+
entry_point->is_entrypoint = true;
/* When multiple shader stages exist in the same SPIR-V module, we
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