Register 2 new shader subgroup extensions
- GL_KHR_shader_subgroup
- GL_NV_shader_subgroup_partitioned
diff --git a/api/GL/glcorearb.h b/api/GL/glcorearb.h
index cf6fca8..88dc825 100755
--- a/api/GL/glcorearb.h
+++ b/api/GL/glcorearb.h
@@ -3900,6 +3900,22 @@
#define GL_CONTEXT_ROBUST_ACCESS 0x90F3
#endif /* GL_KHR_robustness */
+#ifndef GL_KHR_shader_subgroup
+#define GL_KHR_shader_subgroup 1
+#define GL_SUBGROUP_SIZE_KHR 0x9532
+#define GL_SUBGROUP_SUPPORTED_STAGES_KHR 0x9533
+#define GL_SUBGROUP_SUPPORTED_FEATURES_KHR 0x9534
+#define GL_SUBGROUP_QUAD_ALL_STAGES_KHR 0x9535
+#define GL_SUBGROUP_FEATURE_BASIC_BIT_KHR 0x00000001
+#define GL_SUBGROUP_FEATURE_VOTE_BIT_KHR 0x00000002
+#define GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR 0x00000004
+#define GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR 0x00000008
+#define GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR 0x00000010
+#define GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR 0x00000020
+#define GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR 0x00000040
+#define GL_SUBGROUP_FEATURE_QUAD_BIT_KHR 0x00000080
+#endif /* GL_KHR_shader_subgroup */
+
#ifndef GL_KHR_texture_compression_astc_hdr
#define GL_KHR_texture_compression_astc_hdr 1
#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
@@ -5662,6 +5678,11 @@
#define GL_SHADER_GLOBAL_ACCESS_BARRIER_BIT_NV 0x00000010
#endif /* GL_NV_shader_buffer_store */
+#ifndef GL_NV_shader_subgroup_partitioned
+#define GL_NV_shader_subgroup_partitioned 1
+#define GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV 0x00000100
+#endif /* GL_NV_shader_subgroup_partitioned */
+
#ifndef GL_NV_shader_texture_footprint
#define GL_NV_shader_texture_footprint 1
#endif /* GL_NV_shader_texture_footprint */
diff --git a/api/GL/glext.h b/api/GL/glext.h
index e035352..6a8e07a 100644
--- a/api/GL/glext.h
+++ b/api/GL/glext.h
@@ -4992,6 +4992,22 @@
#define GL_CONTEXT_ROBUST_ACCESS 0x90F3
#endif /* GL_KHR_robustness */
+#ifndef GL_KHR_shader_subgroup
+#define GL_KHR_shader_subgroup 1
+#define GL_SUBGROUP_SIZE_KHR 0x9532
+#define GL_SUBGROUP_SUPPORTED_STAGES_KHR 0x9533
+#define GL_SUBGROUP_SUPPORTED_FEATURES_KHR 0x9534
+#define GL_SUBGROUP_QUAD_ALL_STAGES_KHR 0x9535
+#define GL_SUBGROUP_FEATURE_BASIC_BIT_KHR 0x00000001
+#define GL_SUBGROUP_FEATURE_VOTE_BIT_KHR 0x00000002
+#define GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR 0x00000004
+#define GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR 0x00000008
+#define GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR 0x00000010
+#define GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR 0x00000020
+#define GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR 0x00000040
+#define GL_SUBGROUP_FEATURE_QUAD_BIT_KHR 0x00000080
+#endif /* GL_KHR_shader_subgroup */
+
#ifndef GL_KHR_texture_compression_astc_hdr
#define GL_KHR_texture_compression_astc_hdr 1
#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
@@ -10971,6 +10987,11 @@
#define GL_NV_shader_storage_buffer_object 1
#endif /* GL_NV_shader_storage_buffer_object */
+#ifndef GL_NV_shader_subgroup_partitioned
+#define GL_NV_shader_subgroup_partitioned 1
+#define GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV 0x00000100
+#endif /* GL_NV_shader_subgroup_partitioned */
+
#ifndef GL_NV_shader_texture_footprint
#define GL_NV_shader_texture_footprint 1
#endif /* GL_NV_shader_texture_footprint */
diff --git a/api/GLES2/gl2ext.h b/api/GLES2/gl2ext.h
index be8a5d5..758d554 100644
--- a/api/GLES2/gl2ext.h
+++ b/api/GLES2/gl2ext.h
@@ -197,6 +197,22 @@
#endif
#endif /* GL_KHR_robustness */
+#ifndef GL_KHR_shader_subgroup
+#define GL_KHR_shader_subgroup 1
+#define GL_SUBGROUP_SIZE_KHR 0x9532
+#define GL_SUBGROUP_SUPPORTED_STAGES_KHR 0x9533
+#define GL_SUBGROUP_SUPPORTED_FEATURES_KHR 0x9534
+#define GL_SUBGROUP_QUAD_ALL_STAGES_KHR 0x9535
+#define GL_SUBGROUP_FEATURE_BASIC_BIT_KHR 0x00000001
+#define GL_SUBGROUP_FEATURE_VOTE_BIT_KHR 0x00000002
+#define GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR 0x00000004
+#define GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR 0x00000008
+#define GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR 0x00000010
+#define GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR 0x00000020
+#define GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR 0x00000040
+#define GL_SUBGROUP_FEATURE_QUAD_BIT_KHR 0x00000080
+#endif /* GL_KHR_shader_subgroup */
+
#ifndef GL_KHR_texture_compression_astc_hdr
#define GL_KHR_texture_compression_astc_hdr 1
#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
@@ -3492,6 +3508,11 @@
#define GL_NV_shader_noperspective_interpolation 1
#endif /* GL_NV_shader_noperspective_interpolation */
+#ifndef GL_NV_shader_subgroup_partitioned
+#define GL_NV_shader_subgroup_partitioned 1
+#define GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV 0x00000100
+#endif /* GL_NV_shader_subgroup_partitioned */
+
#ifndef GL_NV_shader_texture_footprint
#define GL_NV_shader_texture_footprint 1
#endif /* GL_NV_shader_texture_footprint */
diff --git a/extensions/KHR/KHR_shader_subgroup.txt b/extensions/KHR/KHR_shader_subgroup.txt
new file mode 100644
index 0000000..54ff406
--- /dev/null
+++ b/extensions/KHR/KHR_shader_subgroup.txt
@@ -0,0 +1,635 @@
+Name
+
+ KHR_shader_subgroup
+
+Name Strings
+
+ GL_KHR_shader_subgroup
+
+Contact
+
+ Daniel Koch, NVIDIA Corportation
+
+Contributors
+
+ Neil Henning, Codeplay
+ Contributors to GL_KHR_shader_subgroup (GLSL)
+ James Glanville, Imagination
+ Jan-Harald Fredriksen, Arm
+ Graeme Leese, Broadcom
+ Jesse Hall, Google
+
+Status
+
+ Complete
+ Approved by the OpenGL Working Group on 2019-05-29
+ Approved by the OpenGL ES Working Group on 2019-05-29
+ Approved by the Khronos Promoters on 2019-07-26
+
+Version
+
+ Last Modified: 2019-07-26
+ Revision: 8
+
+Number
+
+ ARB Extension #196
+ OpenGL ES Extension #321
+
+Dependencies
+
+ This extension is written against the OpenGL 4.6 Specification
+ (Core Profile), dated July 30, 2017.
+
+ This extension requires OpenGL 4.3 or OpenGL ES 3.1.
+
+ This extension requires the KHR_shader_subgroup GLSL extension.
+
+ This extension interacts with ARB_gl_spirv and OpenGL 4.6.
+
+ This extension interacts with ARB_spirv_extensions and OpenGL 4.6.
+
+ This extension interacts with OpenGL ES 3.x.
+
+ This extension interacts with ARB_shader_draw_parameters and
+ SPV_KHR_shader_draw_parameters.
+
+ This extension interacts with SPV_KHR_storage_buffer_storage_class.
+
+ This extension requires SPIR-V 1.3 when SPIR-V is supported in OpenGL.
+
+Overview
+
+ This extension enables support for the KHR_shader_subgroup shading
+ language extension in OpenGL and OpenGL ES.
+
+ The extension adds API queries to be able to query
+
+ - the size of subgroups in this implementation (SUBGROUP_SIZE_KHR)
+ - which shader stages support subgroup operations
+ (SUBGROUP_SUPPORTED_STAGES_KHR)
+ - which subgroup features are supported (SUBGROUP_SUPPORTED_FEATURES_KHR)
+ - whether quad subgroup operations are supported in all
+ stages supporting subgroup operations (SUBGROUP_QUAD_ALL_STAGES_KHR)
+
+ In OpenGL implementations supporting SPIR-V, this extension enables the
+ minimal subset of SPIR-V 1.3 which is required to support the subgroup
+ features that are supported by the implementation.
+
+ In OpenGL ES implementations, this extension does NOT add support for
+ SPIR-V or for any of the built-in shading language functions (8.18)
+ that have genDType (double) prototypes.
+
+New Procedures and Functions
+
+ None
+
+New Tokens
+
+ Accepted as the <pname> argument for GetIntegerv and
+ GetInteger64v:
+
+ SUBGROUP_SIZE_KHR 0x9532
+ SUBGROUP_SUPPORTED_STAGES_KHR 0x9533
+ SUBGROUP_SUPPORTED_FEATURES_KHR 0x9534
+
+ Accepted as the <pname> argument for GetBooleanv:
+
+ SUBGROUP_QUAD_ALL_STAGES_KHR 0x9535
+
+ Returned as a bitfield in the <data> argument when GetIntegerv
+ is queried with a <pname> of SUBGROUP_SUPPORTED_STAGES_KHR
+
+ (existing tokens)
+ VERTEX_SHADER_BIT
+ TESS_CONTROL_SHADER_BIT
+ TESS_EVALUATION_SHADER_BIT
+ GEOMETRY_SHADER_BIT
+ FRAGMENT_SHADER_BIT
+ COMPUTE_SHADER_BIT
+
+ Returned as bitfield in the <data> argument when GetIntegerv
+ is queried with a <pname> of SUBGROUP_SUPPORTED_FEATURES_KHR:
+
+ SUBGROUP_FEATURE_BASIC_BIT_KHR 0x00000001
+ SUBGROUP_FEATURE_VOTE_BIT_KHR 0x00000002
+ SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR 0x00000004
+ SUBGROUP_FEATURE_BALLOT_BIT_KHR 0x00000008
+ SUBGROUP_FEATURE_SHUFFLE_BIT_KHR 0x00000010
+ SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR 0x00000020
+ SUBGROUP_FEATURE_CLUSTERED_BIT_KHR 0x00000040
+ SUBGROUP_FEATURE_QUAD_BIT_KHR 0x00000080
+
+
+Modifications to the OpenGL 4.6 Specification (Core Profile)
+
+Add a new Chapter SG, "Subgroups"
+
+ A subgroup is a set of invocations that can synchronize and share data
+ with each other efficiently. An invocation group is partitioned into
+ one or more subgroups.
+
+ Subgroup operations are divided into various categories as described
+ by SUBGROUP_SUPPORTED_FEATURES_KHR.
+
+ SG.1 Subgroup Operations
+
+ Subgroup operations are divided into a number of categories as
+ described in this section.
+
+ SG.1.1 Basic Subgroup Operations
+
+ The basic subgroup operations allow two classes of functionality within
+ shaders - elect and barrier. Invocations within a subgroup can choose a
+ single invocation to perform some task for the subgroup as a whole using
+ elect. Invocations within a subgroup can perform a subgroup barrier to
+ ensure the ordering of execution or memory accesses within a subgroup.
+ Barriers can be performed on buffer memory accesses, shared memory
+ accesses, and image memory accesses to ensure that any results written are
+ visible by other invocations within the subgroup. A _subgroupBarrier_ can
+ also be used to perform a full execution control barrier. A full execution
+ control barrier will ensure that each active invocation within the
+ subgroup reaches a point of execution before any are allowed to continue.
+
+ SG.1.2 Vote Subgroup Operations
+
+ The vote subgroup operations allow invocations within a subgroup to
+ compare values across a subgroup. The types of votes enabled are:
+
+ * Do all active subgroup invocations agree that an expression is true?
+ * Do any active subgroup invocations evaluate an expression to true?
+ * Do all active subgroup invocations have the same value of an expression?
+
+ Note:
+ These operations are useful in combination with control flow in that
+ they allow for developers to check whether conditions match across the
+ subgroup and choose potentially faster code-paths in these cases.
+
+ SG.1.3 Arithmetic Subgroup Operations
+
+ The arithmetic subgroup operations allow invocations to perform scan
+ and reduction operations across a subgroup. For reduction operations,
+ each invocation in a subgroup will obtain the same result of these
+ arithmetic operations applied across the subgroup. For scan operations,
+ each invocation in the subgroup will perform an inclusive or exclusive
+ scan, cumulatively applying the operation across the invocations in a
+ subgroup in an implementation-defined order. The operations supported
+ are add, mul, min, max, and, or, xor.
+
+ SG.1.4 Ballot Subgroup Operations
+
+ The ballot subgroup operations allow invocations to perform more
+ complex votes across the subgroup. The ballot functionality allows
+ all invocations within a subgroup to provide a boolean value and get
+ as a result what each invocation provided as their boolean value. The
+ broadcast functionality allows values to be broadcast from an
+ invocation to all other invocations within the subgroup, given that
+ the invocation to be broadcast from is known at shader compilation
+ time.
+
+ SG.1.5 Shuffle Subgroup Operations
+
+ The shuffle subgroup operations allow invocations to read values from
+ other invocations within a subgroup.
+
+ SG.1.6 Shuffle Relative Subgroup Operations
+
+ The shuffle relative subgroup operations allow invocations to read
+ values from other invocations within the subgroup relative to the
+ current invocation in the group. The relative operations supported
+ allow data to be shifted up and down through the invocations within
+ a subgroup.
+
+ SG.1.7 Clustered Subgroup Operations
+
+ The clustered subgroup operations allow invocations to perform
+ arithmetic operations among partitions of a subgroup, such that the
+ operation is only performed within the subgroup invocations within a
+ partition. The partitions for clustered subgroup operations are
+ consecutive power-of-two size groups of invocations and the cluster size
+ must be known at compilation time. The operations supported are
+ add, mul, min, max, and, or, xor.
+
+ SG.1.8 Quad Subgroup Operations
+
+ The quad subgroup operations allow clusters of 4 invocations (a quad),
+ to share data efficiently with each other. For fragment shaders, if the
+ value of SUBGROUP_SIZE_KHR is at least 4, each quad corresponds to one
+ of the groups of four shader invocations used for derivatives. The order
+ in which the fragments appear within the quad is implementation-defined.
+
+ Note:
+ In OpenGL and OpenGL ES, the order of invocations within a quad may
+ depend on the rendering orientation and whether rendering to a framebuffer
+ object or to the default framebuffer (window).
+
+ This language supersedes the quad arrangement described in the GLSL
+ KHR_shader_subgroup document.
+
+ SG.2 Subgroup Queries
+
+ SG.2.1 Subgroup Size
+
+ The subgroup size is the maximum number of invocations in a subgroup.
+ This is an implementation-dependent value which can be obtained by
+ calling GetIntegerv with a <pname> of SUBGROUP_SIZE_KHR. This value
+ is also provided in the gl_SubgroupSize built-in shading language
+ variable. The subgroup size must be at least 1, and must be a power
+ of 2. The maximum number of invocations an implementation can support
+ per subgroup is 128.
+
+ SG.2.2 Subgroup Supported Stages
+
+ Subgroup operations may not be supported in all shader stages. To
+ determine which shader stages support the subgroup operations, call
+ GetIntegerv with a <pname> of SUBGROUP_SUPPORTED_STAGES_KHR. On
+ return, <data> will contain the bitwise OR of the *_SHADER_BIT flags
+ indicating which of the vertex, tessellation control, tessellation
+ evaluation, geometry, fragment, and compute shader stages support
+ subgroup operations. All implementations must support at least
+ COMPUTE_SHADER_BIT.
+
+ SG.2.3 Subgroup Supported Operations
+
+ To determine which subgroup operations are supported by an
+ implementation, call GetIntegerv with a <pname> of
+ SUBGROUP_SUPPORTED_FEATURES_KHR. On return, <data> will
+ contain the bitwise OR of the SUBGROUP_FEATURE_*_BIT_KHR
+ flags indicating which subgroup operations are supported by the
+ implementation. Possible values include:
+
+ * SUBGROUP_FEATURE_BASIC_BIT_KHR indicates the GL supports shaders
+ with the KHR_shader_subgroup_basic extension enabled. See SG.1.1.
+
+ * SUBGROUP_FEATURE_VOTE_BIT_KHR indicates the GL supports shaders
+ with the KHR_shader_subgroup_vote extension enabled. See SG.1.2.
+
+ * SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR indicates the GL supports
+ shaders with the KHR_shader_subgroup_arithmetic extension enabled.
+ See SG.1.3.
+
+ * SUBGROUP_FEATURE_BALLOT_BIT_KHR indicates the GL supports
+ shaders with the KHR_shader_subgroup_ballot extension enabled.
+ See SG.1.4.
+
+ * SUBGROUP_FEATURE_SHUFFLE_BIT_KHR indicates the GL supports
+ shaders with the KHR_shader_subgroup_shuffle extension enabled.
+ See SG.1.5.
+
+ * SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR indicates the GL
+ supports shaders with the KHR_shader_subgroup_shuffle_relative
+ extension enabled. See SG.1.6.
+
+ * SUBGROUP_FEATURE_CLUSTERED_BIT_KHR indicates the GL supports
+ shaders with the KHR_shader_subgroup_clustered extension enabled.
+ See SG.1.7.
+
+ * SUBGROUP_FEATURE_QUAD_BIT_KHR indicates the GL supports shaders
+ with the GL_KHR_shader_subgroup_quad extension enabled. See SG.1.8.
+
+ All implementations must support SUBGROUP_FEATURE_BASIC_BIT_KHR.
+
+ SG.2.4 Subgroup Quads Support
+
+ To determine whether subgroup quad operations (See SG.1.8) are
+ available in all stages, call GetBooleanv with a <pname> of
+ SUBGROUP_QUAD_ALL_STAGES_KHR. On return, <data> will be TRUE
+ if subgroup quad operations are supported in all shader stages
+ which support subgroup operations. FALSE is returned if subgroup quad
+ operations are not supported, or if they are restricted to fragment
+ and compute stages.
+
+Modifications to Appendix C of the OpenGL 4.6 (Core Profile) Specification
+(The OpenGL SPIR-V Execution Environment)
+
+ Modifications to section C.1 (Required Versions and Formats) [p661]
+
+ Replace the first sentence with the following:
+
+ "Implementations must support the 1.0 and 1.3 versions of SPIR-V
+ and the 1.0 version of the SPIR-V Extended Instructions
+ for the OpenGL Shading Language (see section 1.3.4)."
+
+ Modifications to section C.2 (Valid SPIR-V Built-In Variable
+ Decorations) [661]
+
+ Add the following rows to Table C.1 (Built-in Variable Decorations)
+
+ NumSubgroups (if SUBGROUP_FEATURE_BASIC_BIT_KHR is supported)
+ SubgroupId (if SUBGROUP_FEATURE_BASIC_BIT_KHR is supported)
+ SubgroupSize (if SUBGROUP_FEATURE_BASIC_BIT_KHR is supported)
+ SubgroupLocalInvocationId (if SUBGROUP_FEATURE_BASIC_BIT_KHR is supported)
+ SubgroupEqMask (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+ SubgroupGeMask (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+ SubgroupGtMask (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+ SubgroupLeMask (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+ SubgroupLtMask (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+
+ Additions to section C.3 (Valid SPIR-V Capabilities):
+
+ Add the following rows to Table C.2 (Valid SPIR-V Capabilities):
+
+ GroupNonUniform (if SUBGROUP_FEATURE_BASIC_BIT_KHR is supported)
+ GroupNonUniformVote (if SUBGROUP_FEATURE_VOTE_BIT_KHR is supported)
+ GroupNonUniformArithmetic (if SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR is supported)
+ GroupNonUniformBallot (if SUBGROUP_FEATURE_BALLOT_BIT_KHR is supported)
+ GroupNonUniformShuffle (if SUBGROUP_FEATURE_SHUFFLE_BIT_KHR is supported)
+ GroupNonUniformShuffleRelative (if SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR is supported)
+ GroupNonUniformClustered (if SUBGROUP_FEATURE_CLUSTERED_BIT_KHR is supported)
+ GroupNonUniformQuad (if SUBGROUP_FEATURE_QUAD_BIT_KHR is supported)
+
+ Additions to section C.4 (Validation Rules):
+
+ Make the following changes to the validation rules:
+
+ Add *Subgroup* to the list of acceptable scopes for memory.
+
+ Add:
+
+ *Scope* for *Non Uniform Group Operations* must be limited to:
+ - *Subgroup*
+
+ * If OpControlBarrier is used in fragment, vertex, tessellation
+ evaluation, or geometry stages, the execution Scope must be
+ *Subgroup*.
+
+ * "`Result Type`" for *Non Uniform Group Operations* must be
+ limited to 32-bit float, 32-bit integer, boolean, or vectors
+ of these types. If the Float64 capability is enabled, double
+ and vectors of double types are also permitted.
+
+ * If OpGroupNonUniformBallotBitCount is used, the group operation
+ must be one of:
+ - *Reduce*
+ - *InclusiveScan*
+ - *ExclusiveScan*
+
+ Add the following restrictions (disallowing SPIR-V 1.1, 1.2, and
+ 1.3 features not related to subgroups);
+
+ * The *LocalSizeId* Execution Mode must not be used.
+
+ [[If SPV_KHR_storage_buffer_storage_class is not supported]]
+ * The *StorageBuffer* Storage Class must not be used.
+
+ * The *DependencyInfinite* and *DependencyLength* Loop Control
+ masks must not be used.
+
+ [[If SPV_KHR_shader_draw_parameters or OpenGL 4.6 is not supported]]
+ * The *DrawParameters* Capability must not be used.
+
+ * The *StorageBuffer16BitAccess*, *UniformAndStorageBuffer16BitAccess*,
+ *StoragePushConstant16*, *StorageInputOutput16* Capabilities must
+ not be used.
+
+ * The *DeviceGroup*, *MultiView*, *VariablePointersStorageBuffer*, and
+ *VariablePointers* Capabilities must not be used.
+
+ * The *OpModuleProcessed*, *OpDecorateId*, and *OpExecutionModeId*
+ Instructions must not be used.
+
+Modifications to the OpenGL Shading Language Specification, Version 4.60
+
+ See the separate KHR_shader_subgroup GLSL document.
+ https://github.com/KhronosGroup/GLSL/blob/master/extensions/khr/GL_KHR_shader_subgroup.txt
+
+Dependencies on ARB_gl_spirv and OpenGL 4.6
+
+ If ARB_gl_spirv or OpenGL 4.6 are not supported, ignore all
+ references to SPIR-V functionality.
+
+Dependencies on ARB_spirv_extensions and OpenGL 4.6
+
+ If ARB_spirv_extensions or OpenGL 4.6 are not supported, ignore
+ references to the ability to advertise additional SPIR-V extensions.
+
+Dependencies on OpenGL ES 3.x
+
+ If implemented in OpenGL ES, ignore all references to SPIR-V and to
+ GLSL built-in functions which utilize the genDType (double) types.
+
+Dependencies on ARB_shader_draw_parameters and SPV_KHR_shader_draw_parameters
+
+ If neither OpenGL 4.6, nor ARB_shader_draw_parameters and
+ SPV_KHR_shader_draw_parameters are supported, the *DrawParameters*
+ Capability is not supported.
+
+Dependencies on SPV_KHR_storage_buffer_storage_class
+
+ If SPV_KHR_storage_buffer_storage_class is not supported, the
+ *StorageBuffer* Storage Class must not be used.
+
+Additions to the AGL/GLX/WGL Specifications
+
+ None
+
+Errors
+
+ None
+
+New State
+
+ None
+
+New Implementation Dependent State
+
+ Additions to table 2.53 - Implementation Dependent Values
+
+ Minimum
+ Get Value Type Get Command Value Description Sec.
+ --------- ----- --------------- ------- ------------------------ ------
+ SUBGROUP_SIZE_KHR Z+ GetIntegerv 1 No. of invocations in SG.2.1
+ each subgroup
+
+ SUBGROUP_SUPPORTED_ E GetIntegerv Sec Bitfield of stages that SG.2.2
+ STAGES_KHR SG.2.2 subgroups are supported in
+
+ SUBGROUP_SUPPORTED_ E GetIntegerv Sec Bitfield of subgroup SG.2.3
+ FEATURES_KHR SG.2.3 operations supported
+
+ SUBGROUP_QUAD_ B GetBooleanv - Quad subgroups supported SG.2.4
+ ALL_STAGES_KHR in all stages
+
+Issues
+
+ 1. What should we name this extension?
+
+ DISCUSSION. We will use the same name as the GLSL extension
+ in order to minimize confusion. This has been done for other
+ extensions and people seem to have figured it out. Other
+ options considered: KHR_subgroups, KHR_shader_subgroup_operations,
+ KHR_subgroup_operations.
+
+ RESOLVED: use KHR_shader_subgroup to match the GLSL extension.
+
+ 2. What should happen if subgroup operations are attempted on
+ unsupported stages?
+
+ DISCUSSION: There are basically two options
+ A. compile or link-time error?
+ B. draw time invalid_op error?
+ Seems like Option (A) would be more user friendly, and there doesn't
+ seem to be much point in requiring an implementation to
+ support compiling the functionality in stages they won't work in.
+ Typically this should be detectable by an implementation at compile
+ time since this will just require them to reject shaders with
+ #extension GL_KHR_shader_subgroup* in shader stages that they don't
+ support. However, for SPIR-V implementations, this may happen at
+ lowering time, so it may happen at either compile or link-time.
+
+ RESOLVED: Compile or link-time error.
+
+ 3. How should we enable SPIR-V support for this extension?
+
+ DISCUSSION: Options could include:
+ A. add support for SPIR-V 1.1, 1.2, and 1.3.
+ B. add support for only the subgroups capabilities from SPIR-V 1.3.
+
+ Doing option (A) seems like a weird way of submarining support
+ for new versions of SPIR-V into OpenGL, and it seems like there
+ should be a separate extension for that.
+ If option (B) is selected, we need to be sure to disallow other
+ new capabilities that are added in SPIR-V 1.1, 1.2, and 1.3
+
+ RESOLVED: (B) only add support for subgroup capabilities from SPIR-V
+ 1.3. If a future GL core version incorporates this extension it should
+ add support for all of SPIR-V 1.3.
+
+ 4. What functionality of SPIR-V 1.1, 1.2, and 1.3 needs to be disallowed?
+
+ RESOLVED:
+ Additions that aren't gated by specific capabilities and are disallowed
+ are the following:
+
+ LocalSizeId (1.2)
+ DependencyInfinite (1.1)
+ DependencyLength (1.1)
+ OpModuleProcessed (1.1)
+ OpDecorateId (1.2)
+ OpExecutionModeId (1.2)
+
+ Additions that are gated by graphics-compatible capabilities not
+ being enabled by this extension (but could be enabled by other
+ extensions):
+
+ Capabilities Enabling extension
+
+ StorageBuffer (1.3) SPV_KHR_storage_buffer_storage_class
+
+ DrawParameters (1.3) SPV_KHR_shader_draw_parameters
+ - BaseVertex
+ - BaseInstance
+ - DrawIndex
+
+ DeviceGroup (1.3) SPV_KHR_device_group
+ - DeviceIndex
+
+ MultiView (1.3) SPV_KHR_multiview
+ - ViewIndex
+
+ StorageBuffer16BitAccess (1.3) SPV_KHR_16bit_storage
+ StorageUniformBufferBlock16 (1.3) SPV_KHR_16bit_storage
+ UniformAndStorageBuffer16BitAccess (1.3) SPV_KHR_16bit_storage
+ StorageUniform16 (1.3) SPV_KHR_16bit_storage
+ StoragePushConstant16 (1.3) SPV_KHR_16bit_storage
+ StorageInputOutput16 (1.3) SPV_KHR_16bit_storage
+
+ VariablePointersStorageBuffer (1.3) SPV_KHR_variable_pointers
+ VariablePointers (1.3) SPV_KHR_variable_pointers
+
+ 5. Given Issues (3) and (4) what exactly are the additional SPIR-V
+ requirements are being added by this extension?
+
+ RESOLVED: We add support for the following from SPIR-V 1.3:
+
+ Capabilities (3.31) Enabling API Feature
+
+ GroupNonUniform SUBGROUP_FEATURE_BASIC_BIT_KHR
+ GroupNonUniformVote SUBGROUP_FEATURE_VOTE_BIT_KHR
+ GroupNonUniformArithmetic SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR
+ GroupNonUniformBallot SUBGROUP_FEATURE_BALLOT_BIT_KHR
+ GroupNonUniformShuffle SUBGROUP_FEATURE_SHUFFLE_BIT_KHR
+ GroupNonUniformShuffleRelative SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR
+ GroupNonUniformClustered SUBGROUP_FEATURE_CLUSTERED_BIT_KHR
+ GroupNonUniformQuad SUBGROUP_FEATURE_QUAD_BIT_KHR
+
+ Builtins (3.21) Enabling Capability
+
+ SubgroupSize GroupNonUniform
+ NumSubgroups GroupNonUniform
+ SubgroupId GroupNonUniform
+ SubgroupLocalInvocationId GroupNonUniform
+ SubgroupEqMask GroupNonUniformBallot
+ SubgroupGeMask GroupNonUniformBallot
+ SubgroupGtMask GroupNonUniformBallot
+ SubgroupLeMask GroupNonUniformBallot
+ SubgroupLtMask GroupNonUniformBallot
+
+ Group Operations Enabling Capability
+ (3.28)
+
+ Reduce GroupNonUniformArithmetic, GroupNonUniformBallot
+ InclusiveScan GroupNonUniformArithmetic, GroupNonUniformBallot
+ ExclusiveScan GroupNonUniformArithmetic, GroupNonUniformBallot
+ ClusteredReduce GroupNonUniformClustered
+
+ Non-Uniform Instructions Enabling Capability
+ (3.32.24)
+
+ OpGroupNonUniformElect GroupNonUniform
+ OpGroupNonUniformAll GroupNonUniformVote
+ OpGroupNonUniformAny GroupNonUniformVote
+ OpGroupNonUniformAllEqual GroupNonUniformVote
+ OpGroupNonUniformBroadcast GroupNonUniformBallot
+ OpGroupNonUniformBroadcastFirst GroupNonUniformBallot
+ OpGroupNonUniformBallot GroupNonUniformBallot
+ OpGroupNonUniformInverseBallot GroupNonUniformBallot
+ OpGroupNonUniformBallotBitExtract GroupNonUniformBallot
+ OpGroupNonUniformBallotBitCount GroupNonUniformBallot
+ OpGroupNonUniformBallotFindLSB GroupNonUniformBallot
+ OpGroupNonUniformBallotFindMSB GroupNonUniformBallot
+ OpGroupNonUniformShuffle GroupNonUniformShuffle
+ OpGroupNonUniformShuffleXor GroupNonUniformShuffle
+ OpGroupNonUniformShuffleUp GroupNonUniformShuffle
+ OpGroupNonUniformShuffleDown GroupNonUniformShuffle
+ OpGroupNonUniformIAdd GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformFAdd GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformIMul GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformFMul GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformSMin GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformUMin GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformFMin GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformSMax GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformUMax GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformFMax GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformBitwiseAnd GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformBitwiseOr GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformBitwiseXor GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformLogicalAnd GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformLogicalOr GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformLogicalXor GroupNonUniformArithmetic, GroupNonUniformClustered
+ OpGroupNonUniformQuadBroadcast GroupNonUniformQuad
+ OpGroupNonUniformQuadSwap GroupNonUniformQuad
+
+ *Subgroup* as an acceptable memory scope.
+
+ OpControlBarrier in fragment, vertex, tessellation evaluation, tessellation
+ control, and geometry stages with the *Subgroup* execution Scope.
+
+
+Revision History
+
+ Rev. Date Author Changes
+ ---- ----------- -------- -------------------------------------------
+ 8 2019-07-26 dgkoch Update status and assign extension numbers
+ 7 2019-05-22 dgkoch Resync language with Vulkan spec. Address feedback
+ from Graeme. Relax quad ordering definition.
+ 6 2019-03-28 dgkoch rename to KHR_shader_subgroup, update some issues
+ 5 2018-05-30 dgkoch Address feedback from Graeme and Jesse.
+ 4 2018-05-28 dgkoch change ALLSTAGES -> ALL_STAGES, fix typos
+ 3 2018-05-23 dgkoch Add overview and interactions, add SPIR-V 1.3
+ restrictions, Issues 4 and 5.
+ 2 2018-04-26 dgkoch Various updates to match latest vulkan spec
+ Assign tokens. Add SPIR-V support.
+ 1 2018-01-19 dgkoch Initial revision.
+
diff --git a/extensions/NV/NV_shader_subgroup_partitioned.txt b/extensions/NV/NV_shader_subgroup_partitioned.txt
new file mode 100644
index 0000000..5fcbee7
--- /dev/null
+++ b/extensions/NV/NV_shader_subgroup_partitioned.txt
@@ -0,0 +1,163 @@
+Name
+
+ NV_shader_subgroup_partitioned
+
+Name Strings
+
+ GL_NV_shader_subgroup_partitioned
+
+Contact
+
+ Daniel Koch, NVIDIA Corportation
+
+Contributors
+
+ Jeff Bolz, NVIDIA
+ Pyarelal Knowles, NVIDIA
+
+Status
+
+ Complete
+
+Version
+
+ Last Modified: 2019-07-26
+ Revision: 1
+
+Number
+
+ OpenGL Extension #544
+ OpenGL ES Extension #322
+
+Dependencies
+
+ This extension is written against the OpenGL 4.6 Specification
+ (Core Profile), dated July 30, 2017.
+
+ This extension requires OpenGL 4.3 or OpenGL ES 3.1.
+
+ This extension requires the KHR_shader_subgroup API and GLSL extensions.
+
+ This extension interacts with ARB_gl_spirv and OpenGL 4.6.
+
+ This extension interacts with ARB_spirv_extensions and OpenGL 4.6.
+
+ This extension interacts with OpenGL ES 3.x.
+
+ This extension requires SPV_NV_shader_subgroup_partitioned when SPIR-V is
+ supported in OpenGL.
+
+Overview
+
+ This extension enables support for the NV_shader_subgroup_partitioned
+ shading language extension in OpenGL and OpenGL ES.
+
+ This extension adds a new SUBGROUP_FEATURE_PARTITIONED_BIT_NV feature bit
+ that is returned by queryies for SUBGROUP_SUPPORTED_FEATURES_KHR.
+
+ In OpenGL implementations supporting SPIR-V, this extension enables
+ support for the SPV_NV_shader_subgroup_partitioned extension.
+
+ In OpenGL ES implementations, this extension does NOT add support for
+ SPIR-V or for any of the built-in shading language functions (8.18)
+ that have genDType (double) prototypes.
+
+New Procedures and Functions
+
+ None
+
+New Tokens
+
+ Returned as bitfield in the <data> argument when GetIntegerv
+ is queried with a <pname> of SUBGROUP_SUPPORTED_FEATURES_KHR:
+
+ SUBGROUP_FEATURE_PARTITIONED_BIT_NV 0x00000100
+
+
+Modifications to the OpenGL 4.6 Specification (Core Profile)
+
+Modifications to Chapter SG, "Subgroups" (as added by KHR_shader_subgroups)
+
+ (add a new subsection to SG.1, "Subgroup Operations")
+
+ SG.1.9 Partitioned Subgroup Operations
+
+ The partitioned subgroup operations allow a subgroup to partition
+ its invocations into disjoint subsets and to perform scan and reduction
+ operations among invocations belonging to the same subset. The partitions
+ for partitioned subgroup operations are specified by a ballot operand and
+ can be computed at runtime. The operations supported are add, mul, min,
+ max, and, or, xor.
+
+ (Add a new bullet point to the list in SG.2.3, "Subgroup Supported
+ Operations")
+
+ * SUBGROUP_FEATURE_PARTITIONED_BIT_NV indicates the GL supports shaders
+ with the NV_shader_subgroup_partitioned extension enabled. See SG.1.9.
+
+Modifications to Appendix C of the OpenGL 4.6 (Core Profile) Specification
+(The OpenGL SPIR-V Execution Environment)
+
+ Additions to section C.3 (Valid SPIR-V Capabilities):
+
+ Add the following rows to Table C.2 (Valid SPIR-V Capabilities):
+
+ GroupNonUniformPartitionedNV (if SUBGROUP_FEATURE_PARTITIONED_BIT_NV is supported)
+
+Modifications to the OpenGL Shading Language Specification, Version 4.60
+
+ See the separate KHR_shader_subgroup GLSL document.
+ https://github.com/KhronosGroup/GLSL/blob/master/extensions/nv/GL_NV_shader_subgroup_partitioned.txt
+
+Dependencies on ARB_gl_spirv and OpenGL 4.6
+
+ If ARB_gl_spirv or OpenGL 4.6 are not supported, ignore all
+ references to SPIR-V functionality.
+
+Dependencies on ARB_spirv_extensions and OpenGL 4.6
+
+ If ARB_spirv_extensions or OpenGL 4.6 are not supported, ignore
+ references to the ability to advertise additional SPIR-V extensions.
+
+Dependencies on OpenGL ES 3.x
+
+ If implemented in OpenGL ES, ignore all references to SPIR-V and to
+ GLSL built-in functions which utilize the genDType (double) types.
+
+Additions to the AGL/GLX/WGL Specifications
+
+ None
+
+Errors
+
+ None
+
+New State
+
+ None
+
+New Implementation Dependent State
+
+ None
+
+Issues
+
+ 1. What should we name this extension?
+
+ DISCUSSION. We will use the same name as the GLSL extension.
+
+ RESOLVED: Use NV_shader_subgroup_partitioned.
+
+ 2. Should SPV_NV_shader_subgroup_partitioned be advertised in the
+ list of extensions enumerated by the SPIR_V_EXTENSIONS query?
+
+ RESOLVED: Yes. There is no spec language for this because it
+ is just expected when this extension is supported (on an implementation
+ that supports SPIR-V).
+
+Revision History
+
+ Rev. Date Author Changes
+ ---- ----------- -------- -------------------------------------------
+ 1 2019-07-27 dgkoch Internal revisions.
+
diff --git a/extensions/arbext.php b/extensions/arbext.php
index 3fe5a59..1a91efb 100644
--- a/extensions/arbext.php
+++ b/extensions/arbext.php
@@ -419,4 +419,6 @@
</li>
<li value=195><a href="extensions/ARB/ARB_texture_filter_anisotropic.txt">GL_ARB_texture_filter_anisotropic</a>
</li>
+<li value=196><a href="extensions/KHR/KHR_shader_subgroup.txt">GL_KHR_shader_subgroup</a>
+</li>
</ol>
diff --git a/extensions/esext.php b/extensions/esext.php
index 07650c5..7230491 100644
--- a/extensions/esext.php
+++ b/extensions/esext.php
@@ -665,4 +665,8 @@
</li>
<li value=320><a href="extensions/EXT/EXT_texture_shadow_lod.txt">GL_EXT_texture_shadow_lod</a>
</li>
+<li value=321><a href="extensions/KHR/KHR_shader_subgroup.txt">GL_KHR_shader_subgroup</a>
+</li>
+<li value=322><a href="extensions/NV/NV_shader_subgroup_partitioned.txt">GL_NV_shader_subgroup_partitioned</a>
+</li>
</ol>
diff --git a/extensions/glext.php b/extensions/glext.php
index dbdfc6f..c0204bd 100644
--- a/extensions/glext.php
+++ b/extensions/glext.php
@@ -1025,4 +1025,6 @@
</li>
<li value=543><a href="extensions/NVX/NVX_gpu_multicast2.txt">GL_NVX_gpu_multicast2</a>
</li>
+<li value=544><a href="extensions/NV/NV_shader_subgroup_partitioned.txt">GL_NV_shader_subgroup_partitioned</a>
+</li>
</ol>
diff --git a/extensions/registry.py b/extensions/registry.py
index b603b7c..1c176f4 100644
--- a/extensions/registry.py
+++ b/extensions/registry.py
@@ -2935,6 +2935,12 @@
'flags' : { 'public' },
'url' : 'extensions/KHR/KHR_robustness.txt',
},
+ 'GL_KHR_shader_subgroup' : {
+ 'arbnumber' : 196,
+ 'esnumber' : 321,
+ 'flags' : { 'public' },
+ 'url' : 'extensions/KHR/KHR_shader_subgroup.txt',
+ },
'GL_KHR_texture_compression_astc_hdr' : {
'arbnumber' : 118,
'esnumber' : 117,
@@ -3744,6 +3750,12 @@
'flags' : { 'public' },
'url' : 'extensions/NV/NV_shader_thread_shuffle.txt',
},
+ 'GL_NV_shader_subgroup_partitioned' : {
+ 'number' : 544,
+ 'esnumber' : 322,
+ 'flags' : { 'public' },
+ 'url' : 'extensions/NV/NV_shader_subgroup_partitioned.txt',
+ },
'GL_NV_shading_rate_image' : {
'number' : 531,
'esnumber' : 315,
diff --git a/xml/gl.xml b/xml/gl.xml
index 18d8d2e..0c20877 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -2990,6 +2990,18 @@
<enum name="GL_ALL_SHADER_BITS_EXT"/>
</group>
+ <group name="SubgroupSupportedFeatures">
+ <enum name="GL_SUBGROUP_FEATURE_BASIC_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_VOTE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_QUAD_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV"/>
+ </group>
+
<group name="VertexPointerType">
<enum name="GL_DOUBLE"/>
<enum name="GL_FLOAT"/>
@@ -4416,6 +4428,18 @@
<enum value="0xFFFFFFFF" name="GL_ALL_SHADER_BITS_EXT"/>
</enums>
+ <enums namespace="GL" group="SubgroupSupportedFeatures" type="bitmask">
+ <enum value="0x00000001" name="GL_SUBGROUP_FEATURE_BASIC_BIT_KHR"/>
+ <enum value="0x00000002" name="GL_SUBGROUP_FEATURE_VOTE_BIT_KHR"/>
+ <enum value="0x00000004" name="GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR"/>
+ <enum value="0x00000008" name="GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR"/>
+ <enum value="0x00000010" name="GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR"/>
+ <enum value="0x00000020" name="GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR"/>
+ <enum value="0x00000040" name="GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR"/>
+ <enum value="0x00000080" name="GL_SUBGROUP_FEATURE_QUAD_BIT_KHR"/>
+ <enum value="0x00000100" name="GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV"/>
+ </enums>
+
<!-- Bitmasks defined by vendor extensions -->
<enums namespace="GL" group="TextureStorageMaskAMD" type="bitmask">
@@ -10893,7 +10917,10 @@
<enums namespace="GL" start="0x9530" end="0x962F" vendor="NV" comment="Khronos bug 12977">
<enum value="0x9530" name="GL_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_EXT"/>
<enum value="0x9531" name="GL_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_EXT"/>
- <unused start="0x9532" end="0x9535" vendor="NV"/>
+ <enum value="0x9532" name="GL_SUBGROUP_SIZE_KHR"/>
+ <enum value="0x9533" name="GL_SUBGROUP_SUPPORTED_STAGES_KHR"/>
+ <enum value="0x9534" name="GL_SUBGROUP_SUPPORTED_FEATURES_KHR"/>
+ <enum value="0x9535" name="GL_SUBGROUP_QUAD_ALL_STAGES_KHR"/>
<enum value="0x9536" name="GL_MAX_MESH_TOTAL_MEMORY_SIZE_NV"/>
<enum value="0x9537" name="GL_MAX_TASK_TOTAL_MEMORY_SIZE_NV"/>
<enum value="0x9538" name="GL_MAX_MESH_OUTPUT_VERTICES_NV"/>
@@ -46975,6 +47002,22 @@
<command name="glGetnUniformuivKHR"/>
</require>
</extension>
+ <extension name="GL_KHR_shader_subgroup" supported="gl|glcore|gles2">
+ <require>
+ <enum name="GL_SUBGROUP_SIZE_KHR"/>
+ <enum name="GL_SUBGROUP_SUPPORTED_STAGES_KHR"/>
+ <enum name="GL_SUBGROUP_SUPPORTED_FEATURES_KHR"/>
+ <enum name="GL_SUBGROUP_QUAD_ALL_STAGES_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_BASIC_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_VOTE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_ARITHMETIC_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_BALLOT_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_SHUFFLE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_CLUSTERED_BIT_KHR"/>
+ <enum name="GL_SUBGROUP_FEATURE_QUAD_BIT_KHR"/>
+ </require>
+ </extension>
<extension name="GL_KHR_texture_compression_astc_hdr" supported="gl|glcore|gles2">
<require>
<enum name="GL_COMPRESSED_RGBA_ASTC_4x4_KHR"/>
@@ -48594,6 +48637,11 @@
</extension>
<extension name="GL_NV_shader_noperspective_interpolation" supported="gles2"/>
<extension name="GL_NV_shader_storage_buffer_object" supported="gl"/>
+ <extension name="GL_NV_shader_subgroup_partitioned" supported="gl|glcore|gles2">
+ <require>
+ <enum name="GL_SUBGROUP_FEATURE_PARTITIONED_BIT_NV"/>
+ </require>
+ </extension>
<extension name="GL_NV_shader_texture_footprint" supported="gl|glcore|gles2"/>
<extension name="GL_NV_shader_thread_group" supported="gl|glcore">
<require>
