[Mesa-dev] [PATCH v3 07/43] spirv/nir: Handle 16-bit types
Jason Ekstrand
jason at jlekstrand.net
Mon Oct 30 21:33:08 UTC 2017
On Thu, Oct 12, 2017 at 11:37 AM, Jose Maria Casanova Crespo <
jmcasanova at igalia.com> wrote:
> From: Eduardo Lima Mitev <elima at igalia.com>
>
> v2: Added more missing implementations of 16-bit types. (Jason Ekstrand)
>
> Signed-off-by: Jose Maria Casanova Crespo <jmcasanova at igalia.com>
> Signed-off-by: Eduardo Lima <elima at igalia.com>
> ---
> src/compiler/spirv/spirv_to_nir.c | 46 ++++++++++++++++++++++++++++++
> ++------
> src/compiler/spirv/vtn_variables.c | 21 +++++++++++++++++
> 2 files changed, 60 insertions(+), 7 deletions(-)
>
> diff --git a/src/compiler/spirv/spirv_to_nir.c
> b/src/compiler/spirv/spirv_to_nir.c
> index 079ff0fe95..ea544b065c 100644
> --- a/src/compiler/spirv/spirv_to_nir.c
> +++ b/src/compiler/spirv/spirv_to_nir.c
> @@ -104,10 +104,13 @@ vtn_const_ssa_value(struct vtn_builder *b,
> nir_constant *constant,
> switch (glsl_get_base_type(type)) {
> 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:
> case GLSL_TYPE_FLOAT:
> + case GLSL_TYPE_FLOAT16:
> case GLSL_TYPE_DOUBLE: {
> int bit_size = glsl_get_bit_size(type);
> if (glsl_type_is_vector_or_scalar(type)) {
> @@ -751,16 +754,32 @@ vtn_handle_type(struct vtn_builder *b, SpvOp opcode,
> int bit_size = w[2];
> const bool signedness = w[3];
> val->type->base_type = vtn_base_type_scalar;
> - if (bit_size == 64)
> + if (bit_size == 64) {
> val->type->type = (signedness ? glsl_int64_t_type() :
> glsl_uint64_t_type());
> - else
> + } else if (bit_size == 16) {
> + val->type->type = (signedness ? glsl_int16_t_type() :
> glsl_uint16_t_type());
> + } else {
> + assert(bit_size == 32);
> val->type->type = (signedness ? glsl_int_type() :
> glsl_uint_type());
> + }
> break;
> }
> case SpvOpTypeFloat: {
> int bit_size = w[2];
> val->type->base_type = vtn_base_type_scalar;
> - val->type->type = bit_size == 64 ? glsl_double_type() :
> glsl_float_type();
> + switch (bit_size) {
> + case 16:
> + val->type->type = glsl_float16_t_type();
> + break;
> + case 32:
> + val->type->type = glsl_float_type();
> + break;
> + case 64:
> + val->type->type = glsl_double_type();
> + break;
> + default:
> + assert(!"Invalid float bit size");
> + }
> break;
> }
>
> @@ -980,10 +999,13 @@ vtn_null_constant(struct vtn_builder *b, const
> struct glsl_type *type)
> switch (glsl_get_base_type(type)) {
> 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:
> case GLSL_TYPE_FLOAT:
> + case GLSL_TYPE_FLOAT16:
> case GLSL_TYPE_DOUBLE:
> /* Nothing to do here. It's already initialized to zero */
> break;
> @@ -1110,7 +1132,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> val->constant->values->u32[0] = w[3];
> val->constant->values->u32[1] = w[4];
> } else {
> - assert(bit_size == 32);
> + assert(bit_size == 32 || bit_size == 16);
> val->constant->values->u32[0] = w[3];
> }
> break;
> @@ -1136,9 +1158,12 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> 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);
> @@ -1153,7 +1178,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> if (bit_size == 64) {
> val->constant->values[0].u64[i] =
> elems[i]->values[0].u64[0];
> } else {
> - assert(bit_size == 32);
> + assert(bit_size == 32 || bit_size == 16);
> val->constant->values[0].u32[i] =
> elems[i]->values[0].u32[0];
> }
> }
> @@ -1228,6 +1253,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> val->constant->values[0].u64[j] = u64[comp];
> }
> } else {
> + /* This is for both 32-bit and 16-bit values */
> uint32_t u32[8];
> if (v0->value_type == vtn_value_type_constant) {
> for (unsigned i = 0; i < len0; i++)
> @@ -1276,9 +1302,12 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> 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 */
> @@ -1319,7 +1348,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> if (bit_size == 64) {
> val->constant->values[0].u64[i] =
> (*c)->values[col].u64[elem + i];
> } else {
> - assert(bit_size == 32);
> + assert(bit_size == 32 || bit_size == 16);
> val->constant->values[0].u32[i] =
> (*c)->values[col].u32[elem + i];
>
This isn't correct. For 16-bit types, we need to store it in
values[0].u16[i]
> }
> }
> @@ -1336,7 +1365,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp
> opcode,
> if (bit_size == 64) {
> (*c)->values[col].u64[elem + i] =
> insert->constant->values[0].u64[i];
> } else {
> - assert(bit_size == 32);
> + assert(bit_size == 32 || bit_size == 16);
> (*c)->values[col].u32[elem + i] =
> insert->constant->values[0].u32[i];
>
Same here. In retrospect, it may have been easier to make have an array of
a union rather than a union of arrays but that's what we have today.
With those two fixed, this patch is
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
> }
> }
> @@ -1449,10 +1478,13 @@ vtn_create_ssa_value(struct vtn_builder *b, const
> struct glsl_type *type)
> switch (glsl_get_base_type(type)) {
> 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:
> case GLSL_TYPE_FLOAT:
> + case GLSL_TYPE_FLOAT16:
> case GLSL_TYPE_DOUBLE:
> child_type = glsl_get_column_type(type);
> break;
> diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_
> variables.c
> index 997b66f542..57d09d2fa1 100644
> --- a/src/compiler/spirv/vtn_variables.c
> +++ b/src/compiler/spirv/vtn_variables.c
> @@ -186,9 +186,12 @@ vtn_ssa_offset_pointer_dereference(struct
> vtn_builder *b,
> switch (glsl_get_base_type(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:
> case GLSL_TYPE_ARRAY: {
> @@ -298,9 +301,12 @@ vtn_pointer_to_deref(struct vtn_builder *b, struct
> vtn_pointer *ptr)
> switch (base_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:
> case GLSL_TYPE_ARRAY: {
> @@ -523,9 +529,12 @@ vtn_pointer_to_offset(struct vtn_builder *b, struct
> vtn_pointer *ptr,
> switch (base_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:
> case GLSL_TYPE_ARRAY:
> @@ -567,9 +576,12 @@ vtn_type_block_size(struct vtn_type *type)
> switch (base_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: {
> unsigned cols = type->row_major ? glsl_get_vector_elements(type->type)
> :
> @@ -698,9 +710,12 @@ _vtn_block_load_store(struct vtn_builder *b,
> nir_intrinsic_op op, bool load,
> switch (base_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:
> /* This is where things get interesting. At this point, we've hit
> @@ -873,9 +888,12 @@ _vtn_variable_load_store(struct vtn_builder *b, bool
> load,
> switch (base_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:
> /* At this point, we have a scalar, vector, or matrix so we know
> that
> @@ -953,9 +971,12 @@ _vtn_variable_copy(struct vtn_builder *b, struct
> vtn_pointer *dest,
> switch (base_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:
> /* At this point, we have a scalar, vector, or matrix so we know
> that
> --
> 2.13.6
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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