[Mesa-dev] [PATCH v2 01/14] glsl: Add new atomic_uint built-in GLSL type.
Kenneth Graunke
kenneth at whitecape.org
Wed Oct 2 02:25:00 PDT 2013
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;
This doesn't compile, since ATOMIC_COUNTER_SIZE is not defined.
> + else if (is_array())
> + return length * element_type()->atomic_size();
> + else
> + return 0;
> + }
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