[Mesa-dev] [PATCH v2 01/14] glsl: Add new atomic_uint built-in GLSL type.

Ian Romanick idr at freedesktop.org
Tue Oct 22 14:41:50 PDT 2013


Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

On 10/01/2013 07:15 PM, Francisco Jerez wrote:
> v2: Fix GLSL version in which the type became available.  Add
>     contains_atomic() convenience method.  Split off atomic counter
>     comparison error checking to a separate patch that will handle all
>     opaque types.  Include new ir_variable fields for atomic types.
> ---
>  src/glsl/ast_to_hir.cpp                      |  1 +
>  src/glsl/builtin_type_macros.h               |  2 ++
>  src/glsl/builtin_types.cpp                   |  6 ++++++
>  src/glsl/glsl_types.cpp                      |  2 ++
>  src/glsl/glsl_types.h                        | 22 ++++++++++++++++++++++
>  src/glsl/ir.cpp                              |  2 +-
>  src/glsl/ir.h                                |  8 ++++++++
>  src/glsl/ir_clone.cpp                        |  3 +++
>  src/glsl/link_uniform_initializers.cpp       |  1 +
>  src/glsl/tests/uniform_initializer_utils.cpp |  3 +++
>  src/mesa/program/ir_to_mesa.cpp              |  2 ++
>  src/mesa/state_tracker/st_glsl_to_tgsi.cpp   |  1 +
>  12 files changed, 52 insertions(+), 1 deletion(-)
> 
> diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
> index 0859d9e..99159dc 100644
> --- a/src/glsl/ast_to_hir.cpp
> +++ b/src/glsl/ast_to_hir.cpp
> @@ -902,6 +902,7 @@ do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1)
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_SAMPLER:
>     case GLSL_TYPE_INTERFACE:
> +   case GLSL_TYPE_ATOMIC_UINT:
>        /* I assume a comparison of a struct containing a sampler just
>         * ignores the sampler present in the type.
>         */
> diff --git a/src/glsl/builtin_type_macros.h b/src/glsl/builtin_type_macros.h
> index fec38da..263fd83 100644
> --- a/src/glsl/builtin_type_macros.h
> +++ b/src/glsl/builtin_type_macros.h
> @@ -110,6 +110,8 @@ DECL_TYPE(sampler2DRectShadow,    GL_SAMPLER_2D_RECT_SHADOW,        GLSL_SAMPLER
>  
>  DECL_TYPE(samplerExternalOES,     GL_SAMPLER_EXTERNAL_OES,          GLSL_SAMPLER_DIM_EXTERNAL, 0, 0, GLSL_TYPE_FLOAT)
>  
> +DECL_TYPE(atomic_uint, GL_UNSIGNED_INT_ATOMIC_COUNTER, GLSL_TYPE_ATOMIC_UINT, 1, 1)
> +
>  STRUCT_TYPE(gl_DepthRangeParameters)
>  STRUCT_TYPE(gl_PointParameters)
>  STRUCT_TYPE(gl_MaterialParameters)
> diff --git a/src/glsl/builtin_types.cpp b/src/glsl/builtin_types.cpp
> index 722eda2..98f608b 100644
> --- a/src/glsl/builtin_types.cpp
> +++ b/src/glsl/builtin_types.cpp
> @@ -203,6 +203,8 @@ const static struct builtin_type_versions {
>     T(sampler2DRectShadow,             140, 999)
>  
>     T(struct_gl_DepthRangeParameters,  110, 100)
> +
> +   T(atomic_uint,                     420, 999)
>  };
>  
>  const glsl_type *const deprecated_types[] = {
> @@ -284,5 +286,9 @@ _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state)
>     if (state->OES_texture_3D_enable) {
>        add_type(symbols, glsl_type::sampler3D_type);
>     }
> +
> +   if (state->ARB_shader_atomic_counters_enable) {
> +      add_type(symbols, glsl_type::atomic_uint_type);
> +   }
>  }
>  /** @} */
> diff --git a/src/glsl/glsl_types.cpp b/src/glsl/glsl_types.cpp
> index 3c396dd..e1fe153 100644
> --- a/src/glsl/glsl_types.cpp
> +++ b/src/glsl/glsl_types.cpp
> @@ -586,6 +586,7 @@ glsl_type::component_slots() const
>        return this->length * this->fields.array->component_slots();
>  
>     case GLSL_TYPE_SAMPLER:
> +   case GLSL_TYPE_ATOMIC_UINT:
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_ERROR:
>        break;
> @@ -874,6 +875,7 @@ glsl_type::count_attribute_slots() const
>        return this->length * this->fields.array->count_attribute_slots();
>  
>     case GLSL_TYPE_SAMPLER:
> +   case GLSL_TYPE_ATOMIC_UINT:
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_ERROR:
>        break;
> diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
> index 9f61eee..d00b9e7 100644
> --- a/src/glsl/glsl_types.h
> +++ b/src/glsl/glsl_types.h
> @@ -53,6 +53,7 @@ enum glsl_base_type {
>     GLSL_TYPE_FLOAT,
>     GLSL_TYPE_BOOL,
>     GLSL_TYPE_SAMPLER,
> +   GLSL_TYPE_ATOMIC_UINT,
>     GLSL_TYPE_STRUCT,
>     GLSL_TYPE_INTERFACE,
>     GLSL_TYPE_ARRAY,
> @@ -441,6 +442,27 @@ struct glsl_type {
>     }
>  
>     /**
> +    * Return the amount of atomic counter storage required for a type.
> +    */
> +   unsigned atomic_size() const
> +   {
> +      if (base_type == GLSL_TYPE_ATOMIC_UINT)
> +         return ATOMIC_COUNTER_SIZE;
> +      else if (is_array())
> +         return length * element_type()->atomic_size();
> +      else
> +         return 0;
> +   }
> +
> +   /**
> +    * Return whether a type contains any atomic counters.
> +    */
> +   bool contains_atomic() const
> +   {
> +      return atomic_size();
> +   }
> +
> +   /**
>      * Query the full type of a matrix row
>      *
>      * \return
> diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
> index b0f92cb..d65d8dc 100644
> --- a/src/glsl/ir.cpp
> +++ b/src/glsl/ir.cpp
> @@ -1579,7 +1579,7 @@ ir_swizzle::variable_referenced() const
>  ir_variable::ir_variable(const struct glsl_type *type, const char *name,
>  			 ir_variable_mode mode)
>     : max_array_access(0), read_only(false), centroid(false), invariant(false),
> -     mode(mode), interpolation(INTERP_QUALIFIER_NONE)
> +     mode(mode), interpolation(INTERP_QUALIFIER_NONE), atomic()
>  {
>     this->ir_type = ir_type_variable;
>     this->type = type;
> diff --git a/src/glsl/ir.h b/src/glsl/ir.h
> index 6c5630b..fd12ae6 100644
> --- a/src/glsl/ir.h
> +++ b/src/glsl/ir.h
> @@ -547,6 +547,14 @@ public:
>     int binding;
>  
>     /**
> +    * Location an atomic counter is stored at.
> +    */
> +   struct {
> +      unsigned buffer_index;
> +      unsigned offset;
> +   } atomic;
> +
> +   /**
>      * Built-in state that backs this uniform
>      *
>      * Once set at variable creation, \c state_slots must remain invariant.
> diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
> index fb303b0..6e6588a 100644
> --- a/src/glsl/ir_clone.cpp
> +++ b/src/glsl/ir_clone.cpp
> @@ -51,6 +51,8 @@ ir_variable::clone(void *mem_ctx, struct hash_table *ht) const
>     var->location = this->location;
>     var->index = this->index;
>     var->binding = this->binding;
> +   var->atomic.buffer_index = this->atomic.buffer_index;
> +   var->atomic.offset = this->atomic.offset;
>     var->warn_extension = this->warn_extension;
>     var->origin_upper_left = this->origin_upper_left;
>     var->pixel_center_integer = this->pixel_center_integer;
> @@ -385,6 +387,7 @@ ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
>     }
>  
>     case GLSL_TYPE_SAMPLER:
> +   case GLSL_TYPE_ATOMIC_UINT:
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_ERROR:
>     case GLSL_TYPE_INTERFACE:
> diff --git a/src/glsl/link_uniform_initializers.cpp b/src/glsl/link_uniform_initializers.cpp
> index 3f66710..786aaf0 100644
> --- a/src/glsl/link_uniform_initializers.cpp
> +++ b/src/glsl/link_uniform_initializers.cpp
> @@ -69,6 +69,7 @@ copy_constant_to_storage(union gl_constant_value *storage,
>  	 break;
>        case GLSL_TYPE_ARRAY:
>        case GLSL_TYPE_STRUCT:
> +      case GLSL_TYPE_ATOMIC_UINT:
>        case GLSL_TYPE_INTERFACE:
>        case GLSL_TYPE_VOID:
>        case GLSL_TYPE_ERROR:
> diff --git a/src/glsl/tests/uniform_initializer_utils.cpp b/src/glsl/tests/uniform_initializer_utils.cpp
> index a04f5dd..5e86c24 100644
> --- a/src/glsl/tests/uniform_initializer_utils.cpp
> +++ b/src/glsl/tests/uniform_initializer_utils.cpp
> @@ -92,6 +92,7 @@ generate_data_element(void *mem_ctx, const glsl_type *type,
>        case GLSL_TYPE_BOOL:
>  	 data.b[i] = bool(values[idx]);
>  	 break;
> +      case GLSL_TYPE_ATOMIC_UINT:
>        case GLSL_TYPE_STRUCT:
>        case GLSL_TYPE_ARRAY:
>        case GLSL_TYPE_VOID:
> @@ -119,6 +120,7 @@ generate_data_element(void *mem_ctx, const glsl_type *type,
>        case GLSL_TYPE_BOOL:
>  	 ASSERT_EQ(data.b[i], val->value.b[i]);
>  	 break;
> +      case GLSL_TYPE_ATOMIC_UINT:
>        case GLSL_TYPE_STRUCT:
>        case GLSL_TYPE_ARRAY:
>        case GLSL_TYPE_VOID:
> @@ -217,6 +219,7 @@ verify_data(gl_constant_value *storage, unsigned storage_array_size,
>  	 case GLSL_TYPE_BOOL:
>  	    EXPECT_EQ(int(val->value.b[i]), storage[i].i);
>  	    break;
> +         case GLSL_TYPE_ATOMIC_UINT:
>  	 case GLSL_TYPE_STRUCT:
>  	 case GLSL_TYPE_ARRAY:
>  	 case GLSL_TYPE_VOID:
> diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
> index b08107b..c1ea26c 100644
> --- a/src/mesa/program/ir_to_mesa.cpp
> +++ b/src/mesa/program/ir_to_mesa.cpp
> @@ -622,6 +622,7 @@ type_size(const struct glsl_type *type)
>         * at link time.
>         */
>        return 1;
> +   case GLSL_TYPE_ATOMIC_UINT:
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_ERROR:
>     case GLSL_TYPE_INTERFACE:
> @@ -2592,6 +2593,7 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
>  	    format = uniform_native;
>  	    columns = 1;
>  	    break;
> +         case GLSL_TYPE_ATOMIC_UINT:
>           case GLSL_TYPE_ARRAY:
>           case GLSL_TYPE_VOID:
>           case GLSL_TYPE_STRUCT:
> diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> index a5d0b84..9196371 100644
> --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
> @@ -969,6 +969,7 @@ type_size(const struct glsl_type *type)
>         * at link time.
>         */
>        return 1;
> +   case GLSL_TYPE_ATOMIC_UINT:
>     case GLSL_TYPE_INTERFACE:
>     case GLSL_TYPE_VOID:
>     case GLSL_TYPE_ERROR:
> 



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