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201 lines
8 KiB
C++
201 lines
8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SupportedLimits.h"
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#include "Adapter.h"
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#include "mozilla/dom/WebGPUBinding.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(SupportedLimits, mParent)
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GPU_IMPL_JS_WRAP(SupportedLimits)
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SupportedLimits::SupportedLimits(Adapter* const aParent,
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const ffi::WGPULimits& aLimits)
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: ChildOf(aParent), mFfi(std::make_unique<ffi::WGPULimits>(aLimits)) {}
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SupportedLimits::~SupportedLimits() = default;
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uint64_t GetLimit(const ffi::WGPULimits& limits, const Limit limit) {
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switch (limit) {
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case Limit::MaxTextureDimension1D:
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return limits.max_texture_dimension_1d;
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case Limit::MaxTextureDimension2D:
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return limits.max_texture_dimension_2d;
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case Limit::MaxTextureDimension3D:
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return limits.max_texture_dimension_3d;
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case Limit::MaxTextureArrayLayers:
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return limits.max_texture_array_layers;
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case Limit::MaxBindGroups:
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return limits.max_bind_groups;
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case Limit::MaxBindGroupsPlusVertexBuffers:
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// Not in ffi::WGPULimits, so synthesize:
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return GetLimit(limits, Limit::MaxBindGroups) +
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GetLimit(limits, Limit::MaxVertexBuffers);
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case Limit::MaxBindingsPerBindGroup:
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return limits.max_bindings_per_bind_group;
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case Limit::MaxDynamicUniformBuffersPerPipelineLayout:
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return limits.max_dynamic_uniform_buffers_per_pipeline_layout;
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case Limit::MaxDynamicStorageBuffersPerPipelineLayout:
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return limits.max_dynamic_storage_buffers_per_pipeline_layout;
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case Limit::MaxSampledTexturesPerShaderStage:
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return limits.max_sampled_textures_per_shader_stage;
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case Limit::MaxSamplersPerShaderStage:
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return limits.max_samplers_per_shader_stage;
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case Limit::MaxStorageBuffersPerShaderStage:
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return limits.max_storage_buffers_per_shader_stage;
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case Limit::MaxStorageTexturesPerShaderStage:
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return limits.max_storage_textures_per_shader_stage;
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case Limit::MaxUniformBuffersPerShaderStage:
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return limits.max_uniform_buffers_per_shader_stage;
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case Limit::MaxUniformBufferBindingSize:
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return limits.max_uniform_buffer_binding_size;
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case Limit::MaxStorageBufferBindingSize:
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return limits.max_storage_buffer_binding_size;
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case Limit::MinUniformBufferOffsetAlignment:
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return limits.min_uniform_buffer_offset_alignment;
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case Limit::MinStorageBufferOffsetAlignment:
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return limits.min_storage_buffer_offset_alignment;
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case Limit::MaxVertexBuffers:
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return limits.max_vertex_buffers;
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case Limit::MaxBufferSize:
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return limits.max_buffer_size;
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case Limit::MaxVertexAttributes:
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return limits.max_vertex_attributes;
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case Limit::MaxVertexBufferArrayStride:
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return limits.max_vertex_buffer_array_stride;
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case Limit::MaxInterStageShaderComponents:
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return limits.max_inter_stage_shader_components;
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case Limit::MaxInterStageShaderVariables:
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return 16; // From the spec. (not in ffi::WGPULimits)
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case Limit::MaxColorAttachments:
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return 8; // From the spec. (not in ffi::WGPULimits)
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case Limit::MaxColorAttachmentBytesPerSample:
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return 32; // From the spec. (not in ffi::WGPULimits)
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case Limit::MaxComputeWorkgroupStorageSize:
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return limits.max_compute_workgroup_storage_size;
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case Limit::MaxComputeInvocationsPerWorkgroup:
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return limits.max_compute_invocations_per_workgroup;
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case Limit::MaxComputeWorkgroupSizeX:
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return limits.max_compute_workgroup_size_x;
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case Limit::MaxComputeWorkgroupSizeY:
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return limits.max_compute_workgroup_size_y;
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case Limit::MaxComputeWorkgroupSizeZ:
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return limits.max_compute_workgroup_size_z;
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case Limit::MaxComputeWorkgroupsPerDimension:
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return limits.max_compute_workgroups_per_dimension;
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}
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MOZ_CRASH("Bad Limit");
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}
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void SetLimit(ffi::WGPULimits* const limits, const Limit limit,
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const double val) {
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const auto autoVal = LazyAssertedCast(static_cast<uint64_t>(val));
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switch (limit) {
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case Limit::MaxTextureDimension1D:
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limits->max_texture_dimension_1d = autoVal;
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return;
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case Limit::MaxTextureDimension2D:
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limits->max_texture_dimension_2d = autoVal;
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return;
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case Limit::MaxTextureDimension3D:
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limits->max_texture_dimension_3d = autoVal;
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return;
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case Limit::MaxTextureArrayLayers:
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limits->max_texture_array_layers = autoVal;
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return;
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case Limit::MaxBindGroups:
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limits->max_bind_groups = autoVal;
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return;
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case Limit::MaxBindGroupsPlusVertexBuffers:
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// Not in ffi::WGPULimits, and we're allowed to give back better
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// limits than requested.
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return;
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case Limit::MaxBindingsPerBindGroup:
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limits->max_bindings_per_bind_group = autoVal;
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return;
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case Limit::MaxDynamicUniformBuffersPerPipelineLayout:
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limits->max_dynamic_uniform_buffers_per_pipeline_layout = autoVal;
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return;
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case Limit::MaxDynamicStorageBuffersPerPipelineLayout:
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limits->max_dynamic_storage_buffers_per_pipeline_layout = autoVal;
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return;
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case Limit::MaxSampledTexturesPerShaderStage:
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limits->max_sampled_textures_per_shader_stage = autoVal;
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return;
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case Limit::MaxSamplersPerShaderStage:
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limits->max_samplers_per_shader_stage = autoVal;
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return;
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case Limit::MaxStorageBuffersPerShaderStage:
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limits->max_storage_buffers_per_shader_stage = autoVal;
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return;
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case Limit::MaxStorageTexturesPerShaderStage:
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limits->max_storage_textures_per_shader_stage = autoVal;
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return;
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case Limit::MaxUniformBuffersPerShaderStage:
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limits->max_uniform_buffers_per_shader_stage = autoVal;
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return;
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case Limit::MaxUniformBufferBindingSize:
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limits->max_uniform_buffer_binding_size = autoVal;
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return;
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case Limit::MaxStorageBufferBindingSize:
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limits->max_storage_buffer_binding_size = autoVal;
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return;
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case Limit::MinUniformBufferOffsetAlignment:
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limits->min_uniform_buffer_offset_alignment = autoVal;
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return;
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case Limit::MinStorageBufferOffsetAlignment:
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limits->min_storage_buffer_offset_alignment = autoVal;
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return;
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case Limit::MaxVertexBuffers:
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limits->max_vertex_buffers = autoVal;
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return;
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case Limit::MaxBufferSize:
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limits->max_buffer_size = autoVal;
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return;
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case Limit::MaxVertexAttributes:
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limits->max_vertex_attributes = autoVal;
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return;
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case Limit::MaxVertexBufferArrayStride:
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limits->max_vertex_buffer_array_stride = autoVal;
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return;
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case Limit::MaxInterStageShaderComponents:
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limits->max_inter_stage_shader_components = autoVal;
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return;
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case Limit::MaxInterStageShaderVariables:
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// Not in ffi::WGPULimits, and we're allowed to give back better
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// limits than requested.
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return;
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case Limit::MaxColorAttachments:
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// Not in ffi::WGPULimits, and we're allowed to give back better
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// limits than requested.
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return;
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case Limit::MaxColorAttachmentBytesPerSample:
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// Not in ffi::WGPULimits, and we're allowed to give back better
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// limits than requested.
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return;
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case Limit::MaxComputeWorkgroupStorageSize:
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limits->max_compute_workgroup_storage_size = autoVal;
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return;
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case Limit::MaxComputeInvocationsPerWorkgroup:
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limits->max_compute_invocations_per_workgroup = autoVal;
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return;
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case Limit::MaxComputeWorkgroupSizeX:
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limits->max_compute_workgroup_size_x = autoVal;
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return;
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case Limit::MaxComputeWorkgroupSizeY:
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limits->max_compute_workgroup_size_y = autoVal;
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return;
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case Limit::MaxComputeWorkgroupSizeZ:
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limits->max_compute_workgroup_size_z = autoVal;
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return;
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case Limit::MaxComputeWorkgroupsPerDimension:
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limits->max_compute_workgroups_per_dimension = autoVal;
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return;
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}
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MOZ_CRASH("Bad Limit");
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}
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} // namespace mozilla::webgpu
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