mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-26 05:10:05 +00:00
276 lines
10 KiB
C++
276 lines
10 KiB
C++
// Copyright (c) 2018 Google LLC.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/val/validate_scopes.h"
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#include "source/diagnostic.h"
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#include "source/spirv_target_env.h"
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#include "source/val/instruction.h"
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#include "source/val/validation_state.h"
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namespace spvtools {
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namespace val {
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bool IsValidScope(uint32_t scope) {
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// Deliberately avoid a default case so we have to update the list when the
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// scopes list changes.
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switch (static_cast<SpvScope>(scope)) {
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case SpvScopeCrossDevice:
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case SpvScopeDevice:
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case SpvScopeWorkgroup:
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case SpvScopeSubgroup:
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case SpvScopeInvocation:
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case SpvScopeQueueFamilyKHR:
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return true;
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case SpvScopeMax:
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break;
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}
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return false;
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}
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spv_result_t ValidateExecutionScope(ValidationState_t& _,
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const Instruction* inst, uint32_t scope) {
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SpvOp opcode = inst->opcode();
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bool is_int32 = false, is_const_int32 = false;
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uint32_t value = 0;
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std::tie(is_int32, is_const_int32, value) = _.EvalInt32IfConst(scope);
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if (!is_int32) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": expected Execution Scope to be a 32-bit int";
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}
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if (!is_const_int32) {
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if (_.HasCapability(SpvCapabilityShader) &&
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!_.HasCapability(SpvCapabilityCooperativeMatrixNV)) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Scope ids must be OpConstant when Shader capability is "
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<< "present";
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}
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if (_.HasCapability(SpvCapabilityShader) &&
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_.HasCapability(SpvCapabilityCooperativeMatrixNV) &&
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!spvOpcodeIsConstant(_.GetIdOpcode(scope))) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Scope ids must be constant or specialization constant when "
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<< "CooperativeMatrixNV capability is present";
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}
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return SPV_SUCCESS;
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}
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if (is_const_int32 && !IsValidScope(value)) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Invalid scope value:\n " << _.Disassemble(*_.FindDef(scope));
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}
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// Vulkan specific rules
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if (spvIsVulkanEnv(_.context()->target_env)) {
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// Vulkan 1.1 specific rules
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if (_.context()->target_env != SPV_ENV_VULKAN_1_0) {
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// Scope for Non Uniform Group Operations must be limited to Subgroup
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if (spvOpcodeIsNonUniformGroupOperation(opcode) &&
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value != SpvScopeSubgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in Vulkan environment Execution scope is limited to "
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<< "Subgroup";
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}
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}
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// If OpControlBarrier is used in fragment, vertex, tessellation evaluation,
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// or geometry stages, the execution Scope must be Subgroup.
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if (opcode == SpvOpControlBarrier && value != SpvScopeSubgroup) {
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_.function(inst->function()->id())
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->RegisterExecutionModelLimitation([](SpvExecutionModel model,
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std::string* message) {
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if (model == SpvExecutionModelFragment ||
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model == SpvExecutionModelVertex ||
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model == SpvExecutionModelGeometry ||
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model == SpvExecutionModelTessellationEvaluation) {
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if (message) {
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*message =
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"in Vulkan evironment, OpControlBarrier execution scope "
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"must be Subgroup for Fragment, Vertex, Geometry and "
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"TessellationEvaluation execution models";
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}
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return false;
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}
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return true;
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});
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}
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// Vulkan generic rules
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// Scope for execution must be limited to Workgroup or Subgroup
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if (value != SpvScopeWorkgroup && value != SpvScopeSubgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in Vulkan environment Execution Scope is limited to "
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<< "Workgroup and Subgroup";
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}
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}
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// WebGPU Specific rules
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if (spvIsWebGPUEnv(_.context()->target_env)) {
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if (value != SpvScopeWorkgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in WebGPU environment Execution Scope is limited to "
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<< "Workgroup";
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}
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}
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// TODO(atgoo@github.com) Add checks for OpenCL and OpenGL environments.
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// General SPIRV rules
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// Scope for execution must be limited to Workgroup or Subgroup for
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// non-uniform operations
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if (spvOpcodeIsNonUniformGroupOperation(opcode) &&
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value != SpvScopeSubgroup && value != SpvScopeWorkgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": Execution scope is limited to Subgroup or Workgroup";
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}
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return SPV_SUCCESS;
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}
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spv_result_t ValidateMemoryScope(ValidationState_t& _, const Instruction* inst,
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uint32_t scope) {
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const SpvOp opcode = inst->opcode();
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bool is_int32 = false, is_const_int32 = false;
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uint32_t value = 0;
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std::tie(is_int32, is_const_int32, value) = _.EvalInt32IfConst(scope);
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if (!is_int32) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": expected Memory Scope to be a 32-bit int";
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}
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if (!is_const_int32) {
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if (_.HasCapability(SpvCapabilityShader) &&
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!_.HasCapability(SpvCapabilityCooperativeMatrixNV)) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Scope ids must be OpConstant when Shader capability is "
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<< "present";
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}
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if (_.HasCapability(SpvCapabilityShader) &&
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_.HasCapability(SpvCapabilityCooperativeMatrixNV) &&
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!spvOpcodeIsConstant(_.GetIdOpcode(scope))) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Scope ids must be constant or specialization constant when "
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<< "CooperativeMatrixNV capability is present";
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}
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return SPV_SUCCESS;
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}
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if (is_const_int32 && !IsValidScope(value)) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Invalid scope value:\n " << _.Disassemble(*_.FindDef(scope));
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}
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if (value == SpvScopeQueueFamilyKHR) {
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if (_.HasCapability(SpvCapabilityVulkanMemoryModelKHR)) {
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return SPV_SUCCESS;
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} else {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": Memory Scope QueueFamilyKHR requires capability "
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<< "VulkanMemoryModelKHR";
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}
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}
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if (value == SpvScopeDevice &&
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_.HasCapability(SpvCapabilityVulkanMemoryModelKHR) &&
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!_.HasCapability(SpvCapabilityVulkanMemoryModelDeviceScopeKHR)) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< "Use of device scope with VulkanKHR memory model requires the "
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<< "VulkanMemoryModelDeviceScopeKHR capability";
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}
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// Vulkan Specific rules
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if (spvIsVulkanEnv(_.context()->target_env)) {
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if (value == SpvScopeCrossDevice) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in Vulkan environment, Memory Scope cannot be CrossDevice";
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}
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// Vulkan 1.0 specifc rules
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if (_.context()->target_env == SPV_ENV_VULKAN_1_0 &&
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value != SpvScopeDevice && value != SpvScopeWorkgroup &&
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value != SpvScopeInvocation) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in Vulkan 1.0 environment Memory Scope is limited to "
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<< "Device, Workgroup and Invocation";
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}
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// Vulkan 1.1 specifc rules
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if (_.context()->target_env == SPV_ENV_VULKAN_1_1 &&
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value != SpvScopeDevice && value != SpvScopeWorkgroup &&
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value != SpvScopeSubgroup && value != SpvScopeInvocation) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in Vulkan 1.1 environment Memory Scope is limited to "
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<< "Device, Workgroup and Invocation";
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}
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}
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// WebGPU specific rules
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if (spvIsWebGPUEnv(_.context()->target_env)) {
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switch (inst->opcode()) {
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case SpvOpControlBarrier:
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if (value != SpvScopeWorkgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in WebGPU environment Memory Scope is limited to "
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<< "Workgroup for OpControlBarrier";
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}
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break;
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case SpvOpMemoryBarrier:
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if (value != SpvScopeWorkgroup) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in WebGPU environment Memory Scope is limited to "
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<< "Workgroup for OpMemoryBarrier";
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}
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break;
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default:
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if (spvOpcodeIsAtomicOp(inst->opcode())) {
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if (value != SpvScopeQueueFamilyKHR) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in WebGPU environment Memory Scope is limited to "
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<< "QueueFamilyKHR for OpAtomic* operations";
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}
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}
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if (value != SpvScopeWorkgroup && value != SpvScopeInvocation &&
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value != SpvScopeQueueFamilyKHR) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": in WebGPU environment Memory Scope is limited to "
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<< "Workgroup, Invocation, and QueueFamilyKHR";
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}
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break;
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}
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}
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// TODO(atgoo@github.com) Add checks for OpenCL and OpenGL environments.
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return SPV_SUCCESS;
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}
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} // namespace val
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} // namespace spvtools
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