| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/native/BindingInfo.h" |
| |
| #include "dawn/native/ChainUtils.h" |
| #include "dawn/native/Limits.h" |
| |
| namespace dawn::native { |
| |
| void IncrementBindingCounts(BindingCounts* bindingCounts, const BindGroupLayoutEntry& entry) { |
| bindingCounts->totalCount += 1; |
| |
| uint32_t PerStageBindingCounts::*perStageBindingCountMember = nullptr; |
| |
| if (entry.buffer.type != wgpu::BufferBindingType::Undefined) { |
| ++bindingCounts->bufferCount; |
| const BufferBindingLayout& buffer = entry.buffer; |
| |
| if (buffer.minBindingSize == 0) { |
| ++bindingCounts->unverifiedBufferCount; |
| } |
| |
| switch (buffer.type) { |
| case wgpu::BufferBindingType::Uniform: |
| if (buffer.hasDynamicOffset) { |
| ++bindingCounts->dynamicUniformBufferCount; |
| } |
| perStageBindingCountMember = &PerStageBindingCounts::uniformBufferCount; |
| break; |
| |
| case wgpu::BufferBindingType::Storage: |
| case kInternalStorageBufferBinding: |
| case wgpu::BufferBindingType::ReadOnlyStorage: |
| if (buffer.hasDynamicOffset) { |
| ++bindingCounts->dynamicStorageBufferCount; |
| } |
| perStageBindingCountMember = &PerStageBindingCounts::storageBufferCount; |
| break; |
| |
| case wgpu::BufferBindingType::Undefined: |
| // Can't get here due to the enclosing if statement. |
| DAWN_UNREACHABLE(); |
| break; |
| } |
| } else if (entry.sampler.type != wgpu::SamplerBindingType::Undefined) { |
| perStageBindingCountMember = &PerStageBindingCounts::samplerCount; |
| } else if (entry.texture.sampleType != wgpu::TextureSampleType::Undefined) { |
| perStageBindingCountMember = &PerStageBindingCounts::sampledTextureCount; |
| } else if (entry.storageTexture.access != wgpu::StorageTextureAccess::Undefined) { |
| perStageBindingCountMember = &PerStageBindingCounts::storageTextureCount; |
| } else { |
| const ExternalTextureBindingLayout* externalTextureBindingLayout; |
| FindInChain(entry.nextInChain, &externalTextureBindingLayout); |
| if (externalTextureBindingLayout != nullptr) { |
| perStageBindingCountMember = &PerStageBindingCounts::externalTextureCount; |
| } |
| } |
| |
| DAWN_ASSERT(perStageBindingCountMember != nullptr); |
| for (SingleShaderStage stage : IterateStages(entry.visibility)) { |
| ++(bindingCounts->perStage[stage].*perStageBindingCountMember); |
| } |
| } |
| |
| void AccumulateBindingCounts(BindingCounts* bindingCounts, const BindingCounts& rhs) { |
| bindingCounts->totalCount += rhs.totalCount; |
| bindingCounts->bufferCount += rhs.bufferCount; |
| bindingCounts->unverifiedBufferCount += rhs.unverifiedBufferCount; |
| bindingCounts->dynamicUniformBufferCount += rhs.dynamicUniformBufferCount; |
| bindingCounts->dynamicStorageBufferCount += rhs.dynamicStorageBufferCount; |
| |
| for (SingleShaderStage stage : IterateStages(kAllStages)) { |
| bindingCounts->perStage[stage].sampledTextureCount += |
| rhs.perStage[stage].sampledTextureCount; |
| bindingCounts->perStage[stage].samplerCount += rhs.perStage[stage].samplerCount; |
| bindingCounts->perStage[stage].storageBufferCount += rhs.perStage[stage].storageBufferCount; |
| bindingCounts->perStage[stage].storageTextureCount += |
| rhs.perStage[stage].storageTextureCount; |
| bindingCounts->perStage[stage].uniformBufferCount += rhs.perStage[stage].uniformBufferCount; |
| bindingCounts->perStage[stage].externalTextureCount += |
| rhs.perStage[stage].externalTextureCount; |
| } |
| } |
| |
| MaybeError ValidateBindingCounts(const CombinedLimits& limits, const BindingCounts& bindingCounts) { |
| DAWN_INVALID_IF( |
| bindingCounts.dynamicUniformBufferCount > |
| limits.v1.maxDynamicUniformBuffersPerPipelineLayout, |
| "The number of dynamic uniform buffers (%u) exceeds the maximum per-pipeline-layout " |
| "limit (%u).", |
| bindingCounts.dynamicUniformBufferCount, |
| limits.v1.maxDynamicUniformBuffersPerPipelineLayout); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.dynamicStorageBufferCount > |
| limits.v1.maxDynamicStorageBuffersPerPipelineLayout, |
| "The number of dynamic storage buffers (%u) exceeds the maximum per-pipeline-layout " |
| "limit (%u).", |
| bindingCounts.dynamicStorageBufferCount, |
| limits.v1.maxDynamicStorageBuffersPerPipelineLayout); |
| |
| for (SingleShaderStage stage : IterateStages(kAllStages)) { |
| DAWN_INVALID_IF(bindingCounts.perStage[stage].sampledTextureCount > |
| limits.v1.maxSampledTexturesPerShaderStage, |
| "The number of sampled textures (%u) in the %s stage exceeds the maximum " |
| "per-stage limit (%u).", |
| bindingCounts.perStage[stage].sampledTextureCount, stage, |
| limits.v1.maxSampledTexturesPerShaderStage); |
| |
| // The per-stage number of external textures is bound by the maximum sampled textures |
| // per stage. |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].externalTextureCount > |
| limits.v1.maxSampledTexturesPerShaderStage / kSampledTexturesPerExternalTexture, |
| "The number of external textures (%u) in the %s stage exceeds the maximum " |
| "per-stage limit (%u).", |
| bindingCounts.perStage[stage].externalTextureCount, stage, |
| limits.v1.maxSampledTexturesPerShaderStage / kSampledTexturesPerExternalTexture); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].sampledTextureCount + |
| (bindingCounts.perStage[stage].externalTextureCount * |
| kSampledTexturesPerExternalTexture) > |
| limits.v1.maxSampledTexturesPerShaderStage, |
| "The combination of sampled textures (%u) and external textures (%u) in the %s " |
| "stage exceeds the maximum per-stage limit (%u).", |
| bindingCounts.perStage[stage].sampledTextureCount, |
| bindingCounts.perStage[stage].externalTextureCount, stage, |
| limits.v1.maxSampledTexturesPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].samplerCount > limits.v1.maxSamplersPerShaderStage, |
| "The number of samplers (%u) in the %s stage exceeds the maximum per-stage limit " |
| "(%u).", |
| bindingCounts.perStage[stage].samplerCount, stage, limits.v1.maxSamplersPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].samplerCount + |
| (bindingCounts.perStage[stage].externalTextureCount * |
| kSamplersPerExternalTexture) > |
| limits.v1.maxSamplersPerShaderStage, |
| "The combination of samplers (%u) and external textures (%u) in the %s stage " |
| "exceeds the maximum per-stage limit (%u).", |
| bindingCounts.perStage[stage].samplerCount, |
| bindingCounts.perStage[stage].externalTextureCount, stage, |
| limits.v1.maxSamplersPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].storageBufferCount > |
| limits.v1.maxStorageBuffersPerShaderStage, |
| "The number of storage buffers (%u) in the %s stage exceeds the maximum per-stage " |
| "limit (%u).", |
| bindingCounts.perStage[stage].storageBufferCount, stage, |
| limits.v1.maxStorageBuffersPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].storageTextureCount > |
| limits.v1.maxStorageTexturesPerShaderStage, |
| "The number of storage textures (%u) in the %s stage exceeds the maximum per-stage " |
| "limit (%u).", |
| bindingCounts.perStage[stage].storageTextureCount, stage, |
| limits.v1.maxStorageTexturesPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].uniformBufferCount > |
| limits.v1.maxUniformBuffersPerShaderStage, |
| "The number of uniform buffers (%u) in the %s stage exceeds the maximum per-stage " |
| "limit (%u).", |
| bindingCounts.perStage[stage].uniformBufferCount, stage, |
| limits.v1.maxUniformBuffersPerShaderStage); |
| |
| DAWN_INVALID_IF( |
| bindingCounts.perStage[stage].uniformBufferCount + |
| (bindingCounts.perStage[stage].externalTextureCount * |
| kUniformsPerExternalTexture) > |
| limits.v1.maxUniformBuffersPerShaderStage, |
| "The combination of uniform buffers (%u) and external textures (%u) in the %s " |
| "stage exceeds the maximum per-stage limit (%u).", |
| bindingCounts.perStage[stage].uniformBufferCount, |
| bindingCounts.perStage[stage].externalTextureCount, stage, |
| limits.v1.maxUniformBuffersPerShaderStage); |
| } |
| |
| return {}; |
| } |
| |
| } // namespace dawn::native |
