| // Copyright 2017 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef DAWNNATIVE_UTILS_WGPUHELPERS_H_ |
| #define DAWNNATIVE_UTILS_WGPUHELPERS_H_ |
| |
| #include <dawn_native/dawn_platform.h> |
| |
| #include <array> |
| #include <initializer_list> |
| #include <vector> |
| |
| #include "common/RefCounted.h" |
| #include "dawn_native/Error.h" |
| |
| namespace dawn_native { namespace utils { |
| |
| ResultOrError<Ref<ShaderModuleBase>> CreateShaderModule(DeviceBase* device, const char* source); |
| |
| ResultOrError<Ref<BufferBase>> CreateBufferFromData(DeviceBase* device, |
| wgpu::BufferUsage usage, |
| const void* data, |
| uint64_t size); |
| |
| template <typename T> |
| ResultOrError<Ref<BufferBase>> CreateBufferFromData(DeviceBase* device, |
| wgpu::BufferUsage usage, |
| std::initializer_list<T> data) { |
| return CreateBufferFromData(device, usage, data.begin(), uint32_t(sizeof(T) * data.size())); |
| } |
| |
| ResultOrError<Ref<PipelineLayoutBase>> MakeBasicPipelineLayout( |
| DeviceBase* device, |
| const Ref<BindGroupLayoutBase>& bindGroupLayout); |
| |
| // Helpers to make creating bind group layouts look nicer: |
| // |
| // utils::MakeBindGroupLayout(device, { |
| // {0, wgpu::ShaderStage::Vertex, wgpu::BufferBindingType::Uniform}, |
| // {1, wgpu::ShaderStage::Fragment, wgpu::SamplerBindingType::Filtering}, |
| // {3, wgpu::ShaderStage::Fragment, wgpu::TextureSampleType::Float} |
| // }); |
| |
| struct BindingLayoutEntryInitializationHelper : BindGroupLayoutEntry { |
| BindingLayoutEntryInitializationHelper(uint32_t entryBinding, |
| wgpu::ShaderStage entryVisibility, |
| wgpu::BufferBindingType bufferType, |
| bool bufferHasDynamicOffset = false, |
| uint64_t bufferMinBindingSize = 0); |
| BindingLayoutEntryInitializationHelper(uint32_t entryBinding, |
| wgpu::ShaderStage entryVisibility, |
| wgpu::SamplerBindingType samplerType); |
| BindingLayoutEntryInitializationHelper( |
| uint32_t entryBinding, |
| wgpu::ShaderStage entryVisibility, |
| wgpu::TextureSampleType textureSampleType, |
| wgpu::TextureViewDimension viewDimension = wgpu::TextureViewDimension::e2D, |
| bool textureMultisampled = false); |
| BindingLayoutEntryInitializationHelper( |
| uint32_t entryBinding, |
| wgpu::ShaderStage entryVisibility, |
| wgpu::StorageTextureAccess storageTextureAccess, |
| wgpu::TextureFormat format, |
| wgpu::TextureViewDimension viewDimension = wgpu::TextureViewDimension::e2D); |
| |
| BindingLayoutEntryInitializationHelper(const BindGroupLayoutEntry& entry); |
| }; |
| |
| ResultOrError<Ref<BindGroupLayoutBase>> MakeBindGroupLayout( |
| DeviceBase* device, |
| std::initializer_list<BindingLayoutEntryInitializationHelper> entriesInitializer, |
| bool allowInternalBinding = false); |
| |
| // Helpers to make creating bind groups look nicer: |
| // |
| // utils::MakeBindGroup(device, layout, { |
| // {0, mySampler}, |
| // {1, myBuffer, offset, size}, |
| // {3, myTextureView} |
| // }); |
| |
| // Structure with one constructor per-type of bindings, so that the initializer_list accepts |
| // bindings with the right type and no extra information. |
| struct BindingInitializationHelper { |
| BindingInitializationHelper(uint32_t binding, const Ref<SamplerBase>& sampler); |
| BindingInitializationHelper(uint32_t binding, const Ref<TextureViewBase>& textureView); |
| BindingInitializationHelper(uint32_t binding, |
| const Ref<BufferBase>& buffer, |
| uint64_t offset = 0, |
| uint64_t size = wgpu::kWholeSize); |
| ~BindingInitializationHelper(); |
| |
| BindGroupEntry GetAsBinding() const; |
| |
| uint32_t binding; |
| Ref<SamplerBase> sampler; |
| Ref<TextureViewBase> textureView; |
| Ref<BufferBase> buffer; |
| uint64_t offset = 0; |
| uint64_t size = 0; |
| }; |
| |
| ResultOrError<Ref<BindGroupBase>> MakeBindGroup( |
| DeviceBase* device, |
| const Ref<BindGroupLayoutBase>& layout, |
| std::initializer_list<BindingInitializationHelper> entriesInitializer); |
| }} // namespace dawn_native::utils |
| |
| #endif // DAWNNATIVE_UTILS_WGPUHELPERS_H_ |