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nir: Add support for 16-bit types (half float, int16 and uint16)

Browse source 
v2: Renamed glsl_half_float_type() to glsl_float16_t_type().
    (Jason Ekstrand)

Signed-off-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Eduardo Lima <elima@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Eduardo Lima Mitev 2017-07-01 07:54:50 +02:00 • committed by Jose Maria Casanova Crespo
parent 52b10c7f20
commit 5165e222d1
5 changed files with 47 additions and 0 deletions
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6
src/compiler/nir/nir.c
View file

@ -726,10 +726,13 @@ deref_foreach_leaf_build_recur(nir_deref_var *deref, nir_deref *tail,
assert(tail->child == NULL);
switch (glsl_get_base_type(tail->type)) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_UINT16:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT:
case GLSL_TYPE_INT16:
case GLSL_TYPE_INT64:
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_BOOL:
if (glsl_type_is_vector_or_scalar(tail->type))
@ -874,7 +877,10 @@ nir_deref_get_const_initializer_load(nir_shader *shader, nir_deref_var *deref)
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_INT:
case GLSL_TYPE_UINT:
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_INT16:
case GLSL_TYPE_UINT16:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
case GLSL_TYPE_BOOL:

9
src/compiler/nir/nir.h
View file

@ -719,6 +719,12 @@ nir_get_nir_type_for_glsl_base_type(enum glsl_base_type base_type)
case GLSL_TYPE_INT:
return nir_type_int32;
break;
case GLSL_TYPE_UINT16:
return nir_type_uint16;
break;
case GLSL_TYPE_INT16:
return nir_type_int16;
break;
case GLSL_TYPE_UINT64:
return nir_type_uint64;
break;
@ -728,6 +734,9 @@ nir_get_nir_type_for_glsl_base_type(enum glsl_base_type base_type)
case GLSL_TYPE_FLOAT:
return nir_type_float32;
break;
case GLSL_TYPE_FLOAT16:
return nir_type_float16;
break;
case GLSL_TYPE_DOUBLE:
return nir_type_float64;
break;

6
src/compiler/nir/nir_split_var_copies.c
View file

@ -147,10 +147,13 @@ split_var_copy_instr(nir_intrinsic_instr *old_copy,
break;
case GLSL_TYPE_UINT:
case GLSL_TYPE_UINT16:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT:
case GLSL_TYPE_INT16:
case GLSL_TYPE_INT64:
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_BOOL:
if (glsl_type_is_matrix(src_tail->type)) {
@ -229,6 +232,7 @@ split_var_copies_block(nir_block *block, struct split_var_copies_state *state)
ralloc_steal(state->dead_ctx, instr);
break;
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_DOUBLE:
if (glsl_type_is_matrix(src_tail->type)) {
split_var_copy_instr(intrinsic, dest_head, src_head,
@ -239,6 +243,8 @@ split_var_copies_block(nir_block *block, struct split_var_copies_state *state)
break;
case GLSL_TYPE_INT:
case GLSL_TYPE_UINT:
case GLSL_TYPE_INT16:
case GLSL_TYPE_UINT16:
case GLSL_TYPE_INT64:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_BOOL:

18
src/compiler/nir_types.cpp
View file

@ -273,6 +273,12 @@ glsl_double_type(void)
return glsl_type::double_type;
}
const glsl_type *
glsl_float16_t_type(void)
{
return glsl_type::float16_t_type;
}
const glsl_type *
glsl_vec_type(unsigned n)
{
@ -315,6 +321,18 @@ glsl_uint64_t_type(void)
return glsl_type::uint64_t_type;
}
const glsl_type *
glsl_int16_t_type(void)
{
return glsl_type::int16_t_type;
}
const glsl_type *
glsl_uint16_t_type(void)
{
return glsl_type::uint16_t_type;
}
const glsl_type *
glsl_bool_type(void)
{

8
src/compiler/nir_types.h
View file

@ -94,6 +94,11 @@ glsl_get_bit_size(const struct glsl_type *type)
case GLSL_TYPE_SUBROUTINE:
return 32;
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_UINT16:
case GLSL_TYPE_INT16:
return 16;
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_INT64:
case GLSL_TYPE_UINT64:
@ -126,6 +131,7 @@ bool glsl_sampler_type_is_array(const struct glsl_type *type);
const struct glsl_type *glsl_void_type(void);
const struct glsl_type *glsl_float_type(void);
const struct glsl_type *glsl_float16_t_type(void);
const struct glsl_type *glsl_double_type(void);
const struct glsl_type *glsl_vec_type(unsigned n);
const struct glsl_type *glsl_dvec_type(unsigned n);
@ -134,6 +140,8 @@ const struct glsl_type *glsl_int_type(void);
const struct glsl_type *glsl_uint_type(void);
const struct glsl_type *glsl_int64_t_type(void);
const struct glsl_type *glsl_uint64_t_type(void);
const struct glsl_type *glsl_int16_t_type(void);
const struct glsl_type *glsl_uint16_t_type(void);
const struct glsl_type *glsl_bool_type(void);
const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);