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spirv: Add vtn_mode_to_address_format()

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Handles all the modes and we can use it in combination with
nir_address_format_to_glsl_type() to replace the
vtn_ptr_type_for_mode() helper.  Since the new helper is more generic,
moved the assertions from the old one to the call sites.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Caio Marcelo de Oliveira Filho
2019-05-03 12:42:39 -07:00
parent 192daf68a4
commit 672a3f42d9
2 changed files with 57 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/compiler/spirv/vtn_private.h
View File

@@ -813,6 +813,9 @@ enum vtn_variable_mode vtn_storage_class_to_mode(struct vtn_builder *b,
struct vtn_type *interface_type,
nir_variable_mode *nir_mode_out);
nir_address_format vtn_mode_to_address_format(struct vtn_builder *b,
enum vtn_variable_mode);
static inline uint32_t
vtn_align_u32(uint32_t v, uint32_t a)
{

74
src/compiler/spirv/vtn_variables.c
View File

@@ -96,23 +96,6 @@ vk_desc_type_for_mode(struct vtn_builder *b, enum vtn_variable_mode mode)
}
}
static const struct glsl_type *
vtn_ptr_type_for_mode(struct vtn_builder *b, enum vtn_variable_mode mode)
{
nir_address_format addr_format;
switch (mode) {
case vtn_variable_mode_ubo:
addr_format = b->options->ubo_addr_format;
break;
case vtn_variable_mode_ssbo:
addr_format = b->options->ssbo_addr_format;
break;
default:
vtn_fail("Invalid mode for vulkan_resource_index");
}
return nir_address_format_to_glsl_type(addr_format);
}
static nir_ssa_def *
vtn_variable_resource_index(struct vtn_builder *b, struct vtn_variable *var,
nir_ssa_def *desc_array_index)
@@ -130,9 +113,14 @@ vtn_variable_resource_index(struct vtn_builder *b, struct vtn_variable *var,
nir_intrinsic_set_binding(instr, var->binding);
nir_intrinsic_set_desc_type(instr, vk_desc_type_for_mode(b, var->mode));
vtn_fail_if(var->mode != vtn_variable_mode_ubo &&
var->mode != vtn_variable_mode_ssbo,
"Invalid mode for vulkan_resource_index");
nir_address_format addr_format = vtn_mode_to_address_format(b, var->mode);
const struct glsl_type *index_type =
b->options->lower_ubo_ssbo_access_to_offsets ?
glsl_uint_type() : vtn_ptr_type_for_mode(b, var->mode);
glsl_uint_type() : nir_address_format_to_glsl_type(addr_format);
instr->num_components = glsl_get_vector_elements(index_type);
nir_ssa_dest_init(&instr->instr, &instr->dest, instr->num_components,
@@ -153,9 +141,13 @@ vtn_resource_reindex(struct vtn_builder *b, enum vtn_variable_mode mode,
instr->src[1] = nir_src_for_ssa(offset_index);
nir_intrinsic_set_desc_type(instr, vk_desc_type_for_mode(b, mode));
vtn_fail_if(mode != vtn_variable_mode_ubo && mode != vtn_variable_mode_ssbo,
"Invalid mode for vulkan_resource_reindex");
nir_address_format addr_format = vtn_mode_to_address_format(b, mode);
const struct glsl_type *index_type =
b->options->lower_ubo_ssbo_access_to_offsets ?
glsl_uint_type() : vtn_ptr_type_for_mode(b, mode);
glsl_uint_type() : nir_address_format_to_glsl_type(addr_format);
instr->num_components = glsl_get_vector_elements(index_type);
nir_ssa_dest_init(&instr->instr, &instr->dest, instr->num_components,
@@ -175,7 +167,12 @@ vtn_descriptor_load(struct vtn_builder *b, enum vtn_variable_mode mode,
desc_load->src[0] = nir_src_for_ssa(desc_index);
nir_intrinsic_set_desc_type(desc_load, vk_desc_type_for_mode(b, mode));
const struct glsl_type *ptr_type = vtn_ptr_type_for_mode(b, mode);
vtn_fail_if(mode != vtn_variable_mode_ubo && mode != vtn_variable_mode_ssbo,
"Invalid mode for load_vulkan_descriptor");
nir_address_format addr_format = vtn_mode_to_address_format(b, mode);
const struct glsl_type *ptr_type =
nir_address_format_to_glsl_type(addr_format);
desc_load->num_components = glsl_get_vector_elements(ptr_type);
nir_ssa_dest_init(&desc_load->instr, &desc_load->dest,
@@ -1794,6 +1791,43 @@ vtn_storage_class_to_mode(struct vtn_builder *b,
return mode;
}
nir_address_format
vtn_mode_to_address_format(struct vtn_builder *b, enum vtn_variable_mode mode)
{
switch (mode) {
case vtn_variable_mode_ubo:
return b->options->ubo_addr_format;
case vtn_variable_mode_ssbo:
return b->options->ssbo_addr_format;
case vtn_variable_mode_phys_ssbo:
return b->options->phys_ssbo_addr_format;
case vtn_variable_mode_push_constant:
return b->options->push_const_addr_format;
case vtn_variable_mode_workgroup:
return b->options->shared_addr_format;
case vtn_variable_mode_cross_workgroup:
return b->options->global_addr_format;
case vtn_variable_mode_function:
if (b->physical_ptrs)
return b->options->temp_addr_format;
/* Fall through. */
case vtn_variable_mode_private:
case vtn_variable_mode_uniform:
case vtn_variable_mode_input:
case vtn_variable_mode_output:
return nir_address_format_logical;
}
unreachable("Invalid variable mode");
}
nir_ssa_def *
vtn_pointer_to_ssa(struct vtn_builder *b, struct vtn_pointer *ptr)
{