[Mesa-dev] [PATCH 02/45] glsl: Add 16-bit types

Jason Ekstrand jason at jlekstrand.net
Thu Aug 17 14:20:29 UTC 2017


On Thu, Aug 17, 2017 at 1:35 AM, Eduardo Lima Mitev <elima at igalia.com>
wrote:

> On 08/15/2017 10:56 PM, Jason Ekstrand wrote:
> >
> > On Thu, Jul 13, 2017 at 7:35 AM, Alejandro Piñeiro <apinheiro at igalia.com
> > <mailto:apinheiro at igalia.com>> wrote:
> >
> >     From: Eduardo Lima Mitev <elima at igalia.com <mailto:elima at igalia.com
> >>
> >
> >     Adds new INT16, UINT16 and HALF FLOAT base types.
> >
> >     The corresponding GL types for half floats were reused from the
> >     AMD_gpu_shader_half_float extension. The int16 and uint16 types come
> >     from
> >     NV_gpu_shader_5 extension.
> >
> >     This adds the builtins and the lexer support.
> >
> >     To avoid a bunch of warnings due to cases not handled in switch, the
> >     new types have been added to quite a few places using same behavior
> as
> >     their 32-bit counterparts, except for a few trivial cases where they
> are
> >     already handled properly. Subsequent patches in this set will provide
> >     correct 16-bit implementations when needed.
> >
> >     Signed-off-by: Jose Maria Casanova Crespo <jmcasanova at igalia.com
> >     <mailto:jmcasanova at igalia.com>>
> >     Signed-off-by: Eduardo Lima <elima at igalia.com <mailto:
> elima at igalia.com>>
> >     Signed-off-by: Alejandro Piñeiro <apinheiro at igalia.com
> >     <mailto:apinheiro at igalia.com>>
> >     ---
> >      src/compiler/builtin_type_macros.h              | 26 +++++++
> >      src/compiler/glsl/ast_to_hir.cpp                |  3 +
> >      src/compiler/glsl/builtin_types.cpp             |  1 +
> >      src/compiler/glsl/ir_clone.cpp                  |  3 +
> >      src/compiler/glsl/link_uniform_initializers.cpp |  3 +
> >      src/compiler/glsl/lower_buffer_access.cpp       | 16 ++++-
> >      src/compiler/glsl_types.cpp                     | 93
> >     ++++++++++++++++++++++++-
> >      src/compiler/glsl_types.h                       | 10 ++-
> >      src/mesa/program/ir_to_mesa.cpp                 |  6 ++
> >      9 files changed, 155 insertions(+), 6 deletions(-)
> >
> >     diff --git a/src/compiler/builtin_type_macros.h
> >     b/src/compiler/builtin_type_macros.h
> >     index a275617..52bae13 100644
> >     --- a/src/compiler/builtin_type_macros.h
> >     +++ b/src/compiler/builtin_type_macros.h
> >     @@ -62,6 +62,22 @@ DECL_TYPE(mat3x4, GL_FLOAT_MAT3x4,
> >     GLSL_TYPE_FLOAT, 4, 3)
> >      DECL_TYPE(mat4x2, GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4)
> >      DECL_TYPE(mat4x3, GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4)
> >
> >     +DECL_TYPE(float16_t, GL_HALF_FLOAT, GLSL_TYPE_HALF_FLOAT, 1, 1)
> >     +DECL_TYPE(f16vec2,   GL_FLOAT16_VEC2_NV,   GLSL_TYPE_HALF_FLOAT, 2,
> 1)
> >     +DECL_TYPE(f16vec3,   GL_FLOAT16_VEC3_NV,   GLSL_TYPE_HALF_FLOAT, 3,
> 1)
> >     +DECL_TYPE(f16vec4,   GL_FLOAT16_VEC4_NV,   GLSL_TYPE_HALF_FLOAT, 4,
> 1)
> >     +
> >     +DECL_TYPE(f16mat2,   GL_FLOAT16_MAT2_AMD,   GLSL_TYPE_HALF_FLOAT,
> 2, 2)
> >     +DECL_TYPE(f16mat3,   GL_FLOAT16_MAT3_AMD,   GLSL_TYPE_HALF_FLOAT,
> 3, 3)
> >     +DECL_TYPE(f16mat4,   GL_FLOAT16_MAT4_AMD,   GLSL_TYPE_HALF_FLOAT,
> 4, 4)
> >     +
> >     +DECL_TYPE(f16mat2x3, GL_FLOAT16_MAT2x3_AMD, GLSL_TYPE_HALF_FLOAT,
> 3, 2)
> >     +DECL_TYPE(f16mat2x4, GL_FLOAT16_MAT2x4_AMD, GLSL_TYPE_HALF_FLOAT,
> 4, 2)
> >     +DECL_TYPE(f16mat3x2, GL_FLOAT16_MAT3x2_AMD, GLSL_TYPE_HALF_FLOAT,
> 2, 3)
> >     +DECL_TYPE(f16mat3x4, GL_FLOAT16_MAT3x4_AMD, GLSL_TYPE_HALF_FLOAT,
> 4, 3)
> >     +DECL_TYPE(f16mat4x2, GL_FLOAT16_MAT4x2_AMD, GLSL_TYPE_HALF_FLOAT,
> 2, 4)
> >     +DECL_TYPE(f16mat4x3, GL_FLOAT16_MAT4x3_AMD, GLSL_TYPE_HALF_FLOAT,
> 3, 4)
> >     +
> >      DECL_TYPE(double,  GL_DOUBLE,        GLSL_TYPE_DOUBLE, 1, 1)
> >      DECL_TYPE(dvec2,   GL_DOUBLE_VEC2,   GLSL_TYPE_DOUBLE, 2, 1)
> >      DECL_TYPE(dvec3,   GL_DOUBLE_VEC3,   GLSL_TYPE_DOUBLE, 3, 1)
> >     @@ -88,6 +104,16 @@ DECL_TYPE(u64vec2,  GL_UNSIGNED_INT64_VEC2_ARB,
> >     GLSL_TYPE_UINT64, 2, 1)
> >      DECL_TYPE(u64vec3,  GL_UNSIGNED_INT64_VEC3_ARB, GLSL_TYPE_UINT64,
> 3, 1)
> >      DECL_TYPE(u64vec4,  GL_UNSIGNED_INT64_VEC4_ARB, GLSL_TYPE_UINT64,
> 4, 1)
> >
> >     +DECL_TYPE(int16_t,  GL_INT16_NV,      GLSL_TYPE_INT16, 1, 1)
> >     +DECL_TYPE(i16vec2,  GL_INT16_VEC2_NV, GLSL_TYPE_INT16, 2, 1)
> >     +DECL_TYPE(i16vec3,  GL_INT16_VEC3_NV, GLSL_TYPE_INT16, 3, 1)
> >     +DECL_TYPE(i16vec4,  GL_INT16_VEC4_NV, GLSL_TYPE_INT16, 4, 1)
> >     +
> >     +DECL_TYPE(uint16_t, GL_UNSIGNED_INT16_NV,      GLSL_TYPE_UINT16, 1,
> 1)
> >     +DECL_TYPE(u16vec2,  GL_UNSIGNED_INT16_VEC2_NV, GLSL_TYPE_UINT16, 2,
> 1)
> >     +DECL_TYPE(u16vec3,  GL_UNSIGNED_INT16_VEC3_NV, GLSL_TYPE_UINT16, 3,
> 1)
> >     +DECL_TYPE(u16vec4,  GL_UNSIGNED_INT16_VEC4_NV, GLSL_TYPE_UINT16, 4,
> 1)
> >     +
> >      DECL_TYPE(sampler,           GL_SAMPLER_1D,
> >      GLSL_TYPE_SAMPLER, GLSL_SAMPLER_DIM_1D,   0, 0, GLSL_TYPE_VOID)
> >      DECL_TYPE(sampler1D,         GL_SAMPLER_1D,
> >      GLSL_TYPE_SAMPLER, GLSL_SAMPLER_DIM_1D,   0, 0, GLSL_TYPE_FLOAT)
> >      DECL_TYPE(sampler2D,         GL_SAMPLER_2D,
> >      GLSL_TYPE_SAMPLER, GLSL_SAMPLER_DIM_2D,   0, 0, GLSL_TYPE_FLOAT)
> >     diff --git a/src/compiler/glsl/ast_to_hir.cpp
> >     b/src/compiler/glsl/ast_to_hir.cpp
> >     index c338ad7..4f6a324 100644
> >     --- a/src/compiler/glsl/ast_to_hir.cpp
> >     +++ b/src/compiler/glsl/ast_to_hir.cpp
> >     @@ -1108,12 +1108,15 @@ do_comparison(void *mem_ctx, int operation,
> >     ir_rvalue *op0, ir_rvalue *op1)
> >
> >         switch (op0->type->base_type) {
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >
> >
> > How would you feel about calling this FLOAT16?  That's more consistent
> > with the integer enums though it is a bit different than double.  In
> > general, I'm a fan of base+bits naming.
> >
>
> I don't have a strong preference here. I chose HALF_FLOAT because that's
> how the GL(ES) specs refer to the type. I'm fine with FLOAT16, but I
> would like to hear more opinions since it will imply updating quite a
> few patches in this series.


Understood.  I'll see if I can dig up a few more opinions.


>
> >
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >         case GLSL_TYPE_BOOL:
> >         case GLSL_TYPE_DOUBLE:
> >         case GLSL_TYPE_UINT64:
> >         case GLSL_TYPE_INT64:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >            return new(mem_ctx) ir_expression(operation, op0, op1);
> >
> >         case GLSL_TYPE_ARRAY: {
> >     diff --git a/src/compiler/glsl/builtin_types.cpp
> >     b/src/compiler/glsl/builtin_types.cpp
> >     index cae972b..4071e31 100644
> >     --- a/src/compiler/glsl/builtin_types.cpp
> >     +++ b/src/compiler/glsl/builtin_types.cpp
> >     @@ -144,6 +144,7 @@ static const struct builtin_type_versions {
> >         T(uvec3,                           130, 300)
> >         T(uvec4,                           130, 300)
> >         T(float,                           110, 100)
> >     +   T(float16_t,                       330, 300)
> >
> >
> > I don't think float16_t is a builtin type in any version.
> >
>
> True, this is old boilerplate I somehow forgot to erase.
>
> >
> >         T(vec2,                            110, 100)
> >         T(vec3,                            110, 100)
> >         T(vec4,                            110, 100)
> >     diff --git a/src/compiler/glsl/ir_clone.cpp
> >     b/src/compiler/glsl/ir_clone.cpp
> >     index a64c7af..54421a3 100644
> >     --- a/src/compiler/glsl/ir_clone.cpp
> >     +++ b/src/compiler/glsl/ir_clone.cpp
> >     @@ -335,10 +335,13 @@ ir_constant::clone(void *mem_ctx, struct
> >     hash_table *ht) const
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_DOUBLE:
> >         case GLSL_TYPE_BOOL:
> >         case GLSL_TYPE_UINT64:
> >         case GLSL_TYPE_INT64:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_SAMPLER:
> >         case GLSL_TYPE_IMAGE:
> >            return new(mem_ctx) ir_constant(this->type, &this->value);
> >     diff --git a/src/compiler/glsl/link_uniform_initializers.cpp
> >     b/src/compiler/glsl/link_uniform_initializers.cpp
> >     index e7f9c9d..448e31c 100644
> >     --- a/src/compiler/glsl/link_uniform_initializers.cpp
> >     +++ b/src/compiler/glsl/link_uniform_initializers.cpp
> >     @@ -54,13 +54,16 @@ copy_constant_to_storage(union gl_constant_value
> >     *storage,
> >         for (unsigned int i = 0; i < elements; i++) {
> >            switch (base_type) {
> >            case GLSL_TYPE_UINT:
> >     +      case GLSL_TYPE_UINT16:
> >               storage[i].u = val->value.u[i];
> >               break;
> >            case GLSL_TYPE_INT:
> >     +      case GLSL_TYPE_INT16:
> >            case GLSL_TYPE_SAMPLER:
> >               storage[i].i = val->value.i[i];
> >               break;
> >            case GLSL_TYPE_FLOAT:
> >     +      case GLSL_TYPE_HALF_FLOAT:
> >
> >
> > This doesn't look right.  I think it's better to just let these hit the
> > unreachable().
> >
> >
>
> Right, fixed locally.
>
> At the beginning I considered adding all the new base types to the
> default/unhandled case of the switches, then add correct implementations
> incrementally. But because there are many switches and the correct
> implementation of some of them were trivial, we decided to handle most
> of them already in this patch.
>
> It would be a bit of pain to revert that decision now, but if that will
> really help reviewing this rather long patch, we can consider doing that
> for its V2.
>

I think that's probably fine.  This is the only one I saw in this patch
that looked like it was actually wrong.  I'll just be careful while
reviewing.


>  >               storage[i].f = val->value.f[i];
> >               break;
> >            case GLSL_TYPE_DOUBLE:
> >     diff --git a/src/compiler/glsl/lower_buffer_access.cpp
> >     b/src/compiler/glsl/lower_buffer_access.cpp
> >     index 24a96e2..51a540c 100644
> >     --- a/src/compiler/glsl/lower_buffer_access.cpp
> >     +++ b/src/compiler/glsl/lower_buffer_access.cpp
> >     @@ -199,8 +199,20 @@ lower_buffer_access::emit_access(void *mem_ctx,
> >            else
> >               matrix_stride = glsl_align(matrix_columns * N, 16);
> >
> >     -      const glsl_type *deref_type = deref->type->is_float() ?
> >     -         glsl_type::float_type : glsl_type::double_type;
> >     +      const glsl_type *deref_type;
> >     +      switch (deref->type->base_type) {
> >     +      case GLSL_TYPE_FLOAT:
> >     +         deref_type = glsl_type::float_type;
> >     +         break;
> >     +      case GLSL_TYPE_HALF_FLOAT:
> >     +         deref_type = glsl_type::float16_t_type;
> >     +         break;
> >     +      case GLSL_TYPE_DOUBLE:
> >     +         deref_type = glsl_type::double_type;
> >     +         break;
> >     +      default:
> >     +         assert(!"Invalid type");
> >
> >
> > Why not just make this deref->type->get_scalar_type() or get_base_type()?
> >
>
> Yes, get_scalar_type() it is. Fixed.
>
> >
> >     +      }
> >
> >            for (unsigned i = 0; i < deref->type->vector_elements; i++) {
> >               ir_rvalue *chan_offset =
> >     diff --git a/src/compiler/glsl_types.cpp
> b/src/compiler/glsl_types.cpp
> >     index 188b72f..8af0e25 100644
> >     --- a/src/compiler/glsl_types.cpp
> >     +++ b/src/compiler/glsl_types.cpp
> >     @@ -355,10 +355,16 @@ const glsl_type *glsl_type::get_base_type()
> const
> >         switch (base_type) {
> >         case GLSL_TYPE_UINT:
> >            return uint_type;
> >     +   case GLSL_TYPE_UINT16:
> >     +      return uint16_t_type;
> >         case GLSL_TYPE_INT:
> >            return int_type;
> >     +   case GLSL_TYPE_INT16:
> >     +      return int16_t_type;
> >         case GLSL_TYPE_FLOAT:
> >            return float_type;
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >     +      return float16_t_type;
> >         case GLSL_TYPE_DOUBLE:
> >            return double_type;
> >         case GLSL_TYPE_BOOL:
> >     @@ -385,10 +391,16 @@ const glsl_type *glsl_type::get_scalar_type()
> >     const
> >         switch (type->base_type) {
> >         case GLSL_TYPE_UINT:
> >            return uint_type;
> >     +   case GLSL_TYPE_UINT16:
> >     +      return uint16_t_type;
> >         case GLSL_TYPE_INT:
> >            return int_type;
> >     +   case GLSL_TYPE_INT16:
> >     +      return int16_t_type;
> >         case GLSL_TYPE_FLOAT:
> >            return float_type;
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >     +      return float16_t_type;
> >         case GLSL_TYPE_DOUBLE:
> >            return double_type;
> >         case GLSL_TYPE_BOOL:
> >     @@ -499,6 +511,18 @@ glsl_type::vec(unsigned components)
> >      }
> >
> >      const glsl_type *
> >     +glsl_type::f16vec(unsigned components)
> >     +{
> >     +   if (components == 0 || components > 4)
> >     +      return error_type;
> >     +
> >     +   static const glsl_type *const ts[] = {
> >     +      float16_t_type, f16vec2_type, f16vec3_type, f16vec4_type
> >     +   };
> >     +   return ts[components - 1];
> >     +}
> >     +
> >     +const glsl_type *
> >      glsl_type::dvec(unsigned components)
> >      {
> >         if (components == 0 || components > 4)
> >     @@ -575,6 +599,31 @@ glsl_type::u64vec(unsigned components)
> >      }
> >
> >      const glsl_type *
> >     +glsl_type::i16vec(unsigned components)
> >     +{
> >     +   if (components == 0 || components > 4)
> >     +      return error_type;
> >     +
> >     +   static const glsl_type *const ts[] = {
> >     +      int16_t_type, i16vec2_type, i16vec3_type, i16vec4_type
> >     +   };
> >     +   return ts[components - 1];
> >     +}
> >     +
> >     +
> >     +const glsl_type *
> >     +glsl_type::u16vec(unsigned components)
> >     +{
> >     +   if (components == 0 || components > 4)
> >     +      return error_type;
> >     +
> >     +   static const glsl_type *const ts[] = {
> >     +      uint16_t_type, u16vec2_type, u16vec3_type, u16vec4_type
> >     +   };
> >     +   return ts[components - 1];
> >     +}
> >     +
> >     +const glsl_type *
> >      glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned
> >     columns)
> >      {
> >         if (base_type == GLSL_TYPE_VOID)
> >     @@ -593,6 +642,8 @@ glsl_type::get_instance(unsigned base_type,
> >     unsigned rows, unsigned columns)
> >               return ivec(rows);
> >            case GLSL_TYPE_FLOAT:
> >               return vec(rows);
> >     +      case GLSL_TYPE_HALF_FLOAT:
> >     +         return f16vec(rows);
> >            case GLSL_TYPE_DOUBLE:
> >               return dvec(rows);
> >            case GLSL_TYPE_BOOL:
> >     @@ -601,11 +652,17 @@ glsl_type::get_instance(unsigned base_type,
> >     unsigned rows, unsigned columns)
> >               return u64vec(rows);
> >            case GLSL_TYPE_INT64:
> >               return i64vec(rows);
> >     +      case GLSL_TYPE_UINT16:
> >     +         return u16vec(rows);
> >     +      case GLSL_TYPE_INT16:
> >     +         return i16vec(rows);
> >            default:
> >               return error_type;
> >            }
> >         } else {
> >     -      if ((base_type != GLSL_TYPE_FLOAT && base_type !=
> >     GLSL_TYPE_DOUBLE) || (rows == 1))
> >     +      if ((base_type != GLSL_TYPE_FLOAT &&
> >     +           base_type != GLSL_TYPE_DOUBLE &&
> >     +           base_type != GLSL_TYPE_HALF_FLOAT) || (rows == 1))
> >               return error_type;
> >
> >            /* GLSL matrix types are named mat{COLUMNS}x{ROWS}.  Only the
> >     following
> >     @@ -619,7 +676,8 @@ glsl_type::get_instance(unsigned base_type,
> >     unsigned rows, unsigned columns)
> >             */
> >      #define IDX(c,r) (((c-1)*3) + (r-1))
> >
> >     -      if (base_type == GLSL_TYPE_DOUBLE) {
> >     +      switch (base_type) {
> >     +      case GLSL_TYPE_DOUBLE: {
> >               switch (IDX(columns, rows)) {
> >               case IDX(2,2): return dmat2_type;
> >               case IDX(2,3): return dmat2x3_type;
> >     @@ -632,7 +690,8 @@ glsl_type::get_instance(unsigned base_type,
> >     unsigned rows, unsigned columns)
> >               case IDX(4,4): return dmat4_type;
> >               default: return error_type;
> >               }
> >     -      } else {
> >     +      }
> >     +      case GLSL_TYPE_FLOAT: {
> >               switch (IDX(columns, rows)) {
> >               case IDX(2,2): return mat2_type;
> >               case IDX(2,3): return mat2x3_type;
> >     @@ -646,6 +705,22 @@ glsl_type::get_instance(unsigned base_type,
> >     unsigned rows, unsigned columns)
> >               default: return error_type;
> >               }
> >            }
> >     +      case GLSL_TYPE_HALF_FLOAT: {
> >     +         switch (IDX(columns, rows)) {
> >     +         case IDX(2,2): return f16mat2_type;
> >     +         case IDX(2,3): return f16mat2x3_type;
> >     +         case IDX(2,4): return f16mat2x4_type;
> >     +         case IDX(3,2): return f16mat3x2_type;
> >     +         case IDX(3,3): return f16mat3_type;
> >     +         case IDX(3,4): return f16mat3x4_type;
> >     +         case IDX(4,2): return f16mat4x2_type;
> >     +         case IDX(4,3): return f16mat4x3_type;
> >     +         case IDX(4,4): return f16mat4_type;
> >     +         default: return error_type;
> >     +         }
> >     +      }
> >     +      default: return error_type;
> >     +      }
> >         }
> >
> >         assert(!"Should not get here.");
> >     @@ -1282,7 +1357,10 @@ glsl_type::component_slots() const
> >         switch (this->base_type) {
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_BOOL:
> >            return this->components();
> >
> >     @@ -1371,7 +1449,10 @@ glsl_type::uniform_locations() const
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_DOUBLE:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_UINT64:
> >         case GLSL_TYPE_INT64:
> >         case GLSL_TYPE_BOOL:
> >     @@ -1401,8 +1482,11 @@ glsl_type::varying_count() const
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_DOUBLE:
> >         case GLSL_TYPE_BOOL:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_UINT64:
> >         case GLSL_TYPE_INT64:
> >            return 1;
> >     @@ -1974,7 +2058,10 @@ glsl_type::count_attribute_slots(bool
> >     is_vertex_input) const
> >         switch (this->base_type) {
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_BOOL:
> >         case GLSL_TYPE_SAMPLER:
> >         case GLSL_TYPE_IMAGE:
> >     diff --git a/src/compiler/glsl_types.h b/src/compiler/glsl_types.h
> >     index 2857dc9..8ebf2f4 100644
> >     --- a/src/compiler/glsl_types.h
> >     +++ b/src/compiler/glsl_types.h
> >     @@ -52,7 +52,10 @@ enum glsl_base_type {
> >         GLSL_TYPE_UINT = 0,
> >         GLSL_TYPE_INT,
> >         GLSL_TYPE_FLOAT,
> >     +   GLSL_TYPE_HALF_FLOAT,
> >         GLSL_TYPE_DOUBLE,
> >     +   GLSL_TYPE_UINT16,
> >     +   GLSL_TYPE_INT16,
> >         GLSL_TYPE_UINT64,
> >         GLSL_TYPE_INT64,
> >         GLSL_TYPE_BOOL,
> >     @@ -237,12 +240,15 @@ struct glsl_type {
> >          * @{
> >          */
> >         static const glsl_type *vec(unsigned components);
> >     +   static const glsl_type *f16vec(unsigned components);
> >         static const glsl_type *dvec(unsigned components);
> >         static const glsl_type *ivec(unsigned components);
> >         static const glsl_type *uvec(unsigned components);
> >         static const glsl_type *bvec(unsigned components);
> >         static const glsl_type *i64vec(unsigned components);
> >         static const glsl_type *u64vec(unsigned components);
> >     +   static const glsl_type *i16vec(unsigned components);
> >     +   static const glsl_type *u16vec(unsigned components);
> >         /**@}*/
> >
> >         /**
> >     @@ -472,7 +478,9 @@ struct glsl_type {
> >         bool is_matrix() const
> >         {
> >            /* GLSL only has float matrices. */
> >     -      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT
> >     || base_type == GLSL_TYPE_DOUBLE);
> >     +      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT
> >     +                                      || base_type ==
> GLSL_TYPE_DOUBLE
> >     +                                      || base_type ==
> >     GLSL_TYPE_HALF_FLOAT);
> >         }
> >
> >         /**
> >     diff --git a/src/mesa/program/ir_to_mesa.cpp
> >     b/src/mesa/program/ir_to_mesa.cpp
> >     index ac12b59..c92bdbf 100644
> >     --- a/src/mesa/program/ir_to_mesa.cpp
> >     +++ b/src/mesa/program/ir_to_mesa.cpp
> >     @@ -507,7 +507,10 @@ type_size(const struct glsl_type *type)
> >         switch (type->base_type) {
> >         case GLSL_TYPE_UINT:
> >         case GLSL_TYPE_INT:
> >     +   case GLSL_TYPE_UINT16:
> >     +   case GLSL_TYPE_INT16:
> >         case GLSL_TYPE_FLOAT:
> >     +   case GLSL_TYPE_HALF_FLOAT:
> >         case GLSL_TYPE_BOOL:
> >            if (type->is_matrix()) {
> >              return type->matrix_columns;
> >     @@ -2536,6 +2539,7 @@ _mesa_associate_uniform_storage(struct
> >     gl_context *ctx,
> >                     dmul *= 2;
> >                  /* fallthrough */
> >               case GLSL_TYPE_UINT:
> >     +         case GLSL_TYPE_UINT16:
> >                  assert(ctx->Const.NativeIntegers);
> >                  format = uniform_native;
> >                  columns = 1;
> >     @@ -2545,6 +2549,7 @@ _mesa_associate_uniform_storage(struct
> >     gl_context *ctx,
> >                     dmul *= 2;
> >                  /* fallthrough */
> >               case GLSL_TYPE_INT:
> >     +         case GLSL_TYPE_INT16:
> >                  format =
> >                     (ctx->Const.NativeIntegers) ? uniform_native :
> >     uniform_int_float;
> >                  columns = 1;
> >     @@ -2554,6 +2559,7 @@ _mesa_associate_uniform_storage(struct
> >     gl_context *ctx,
> >                     dmul *= 2;
> >                  /* fallthrough */
> >               case GLSL_TYPE_FLOAT:
> >     +         case GLSL_TYPE_HALF_FLOAT:
> >                  format = uniform_native;
> >                  columns = storage->type->matrix_columns;
> >                  break;
> >     --
> >     2.9.3
> >
> >     _______________________________________________
> >     mesa-dev mailing list
> >     mesa-dev at lists.freedesktop.org <mailto:mesa-dev at lists.
> freedesktop.org>
> >     https://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >     <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>
> >
> >
> >
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >
>
>
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