glsl: move shader_cache type handling to glsl_types

Not sure if this is the best place to put it, but we're going to need
this for NIR too.

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Connor Abbott
2017-09-12 20:16:22 -04:00
committed by Jordan Justen
parent 9626128f32
commit 7686f0b316
3 changed files with 178 additions and 171 deletions

View File

@@ -74,177 +74,6 @@ compile_shaders(struct gl_context *ctx, struct gl_shader_program *prog) {
}
}
static void
get_struct_type_field_and_pointer_sizes(size_t *s_field_size,
size_t *s_field_ptrs)
{
*s_field_size = sizeof(glsl_struct_field);
*s_field_ptrs =
sizeof(((glsl_struct_field *)0)->type) +
sizeof(((glsl_struct_field *)0)->name);
}
static void
encode_type_to_blob(struct blob *blob, const glsl_type *type)
{
uint32_t encoding;
if (!type) {
blob_write_uint32(blob, 0);
return;
}
switch (type->base_type) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_INT:
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_BOOL:
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
encoding = (type->base_type << 24) |
(type->vector_elements << 4) |
(type->matrix_columns);
break;
case GLSL_TYPE_SAMPLER:
encoding = (type->base_type) << 24 |
(type->sampler_dimensionality << 4) |
(type->sampler_shadow << 3) |
(type->sampler_array << 2) |
(type->sampled_type);
break;
case GLSL_TYPE_SUBROUTINE:
encoding = type->base_type << 24;
blob_write_uint32(blob, encoding);
blob_write_string(blob, type->name);
return;
case GLSL_TYPE_IMAGE:
encoding = (type->base_type) << 24 |
(type->sampler_dimensionality << 3) |
(type->sampler_array << 2) |
(type->sampled_type);
break;
case GLSL_TYPE_ATOMIC_UINT:
encoding = (type->base_type << 24);
break;
case GLSL_TYPE_ARRAY:
blob_write_uint32(blob, (type->base_type) << 24);
blob_write_uint32(blob, type->length);
encode_type_to_blob(blob, type->fields.array);
return;
case GLSL_TYPE_STRUCT:
case GLSL_TYPE_INTERFACE:
blob_write_uint32(blob, (type->base_type) << 24);
blob_write_string(blob, type->name);
blob_write_uint32(blob, type->length);
size_t s_field_size, s_field_ptrs;
get_struct_type_field_and_pointer_sizes(&s_field_size, &s_field_ptrs);
for (unsigned i = 0; i < type->length; i++) {
encode_type_to_blob(blob, type->fields.structure[i].type);
blob_write_string(blob, type->fields.structure[i].name);
/* Write the struct field skipping the pointers */
blob_write_bytes(blob,
((char *)&type->fields.structure[i]) + s_field_ptrs,
s_field_size - s_field_ptrs);
}
if (type->is_interface()) {
blob_write_uint32(blob, type->interface_packing);
blob_write_uint32(blob, type->interface_row_major);
}
return;
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
default:
assert(!"Cannot encode type!");
encoding = 0;
break;
}
blob_write_uint32(blob, encoding);
}
static const glsl_type *
decode_type_from_blob(struct blob_reader *blob)
{
uint32_t u = blob_read_uint32(blob);
if (u == 0) {
return NULL;
}
glsl_base_type base_type = (glsl_base_type) (u >> 24);
switch (base_type) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_INT:
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_BOOL:
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
return glsl_type::get_instance(base_type, (u >> 4) & 0x0f, u & 0x0f);
case GLSL_TYPE_SAMPLER:
return glsl_type::get_sampler_instance((enum glsl_sampler_dim) ((u >> 4) & 0x07),
(u >> 3) & 0x01,
(u >> 2) & 0x01,
(glsl_base_type) ((u >> 0) & 0x03));
case GLSL_TYPE_SUBROUTINE:
return glsl_type::get_subroutine_instance(blob_read_string(blob));
case GLSL_TYPE_IMAGE:
return glsl_type::get_image_instance((enum glsl_sampler_dim) ((u >> 3) & 0x07),
(u >> 2) & 0x01,
(glsl_base_type) ((u >> 0) & 0x03));
case GLSL_TYPE_ATOMIC_UINT:
return glsl_type::atomic_uint_type;
case GLSL_TYPE_ARRAY: {
unsigned length = blob_read_uint32(blob);
return glsl_type::get_array_instance(decode_type_from_blob(blob),
length);
}
case GLSL_TYPE_STRUCT:
case GLSL_TYPE_INTERFACE: {
char *name = blob_read_string(blob);
unsigned num_fields = blob_read_uint32(blob);
size_t s_field_size, s_field_ptrs;
get_struct_type_field_and_pointer_sizes(&s_field_size, &s_field_ptrs);
glsl_struct_field *fields =
(glsl_struct_field *) malloc(s_field_size * num_fields);
for (unsigned i = 0; i < num_fields; i++) {
fields[i].type = decode_type_from_blob(blob);
fields[i].name = blob_read_string(blob);
blob_copy_bytes(blob, ((uint8_t *) &fields[i]) + s_field_ptrs,
s_field_size - s_field_ptrs);
}
const glsl_type *t;
if (base_type == GLSL_TYPE_INTERFACE) {
enum glsl_interface_packing packing =
(glsl_interface_packing) blob_read_uint32(blob);
bool row_major = blob_read_uint32(blob);
t = glsl_type::get_interface_instance(fields, num_fields, packing,
row_major, name);
} else {
t = glsl_type::get_record_instance(fields, num_fields, name);
}
free(fields);
return t;
}
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
default:
assert(!"Cannot decode type!");
return NULL;
}
}
static void
write_subroutines(struct blob *metadata, struct gl_shader_program *prog)
{