| // Copyright 2018 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. |
| |
| #include "dawn_native/vulkan/InputStateVk.h" |
| |
| #include "common/BitSetIterator.h" |
| |
| namespace dawn_native { namespace vulkan { |
| |
| namespace { |
| |
| VkVertexInputRate VulkanInputRate(dawn::InputStepMode stepMode) { |
| switch (stepMode) { |
| case dawn::InputStepMode::Vertex: |
| return VK_VERTEX_INPUT_RATE_VERTEX; |
| case dawn::InputStepMode::Instance: |
| return VK_VERTEX_INPUT_RATE_INSTANCE; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| VkFormat VulkanVertexFormat(dawn::VertexFormat format) { |
| switch (format) { |
| case dawn::VertexFormat::UChar2: |
| return VK_FORMAT_R8G8_UINT; |
| case dawn::VertexFormat::UChar4: |
| return VK_FORMAT_R8G8B8A8_UINT; |
| case dawn::VertexFormat::Char2: |
| return VK_FORMAT_R8G8_SINT; |
| case dawn::VertexFormat::Char4: |
| return VK_FORMAT_R8G8B8A8_SINT; |
| case dawn::VertexFormat::UChar2Norm: |
| return VK_FORMAT_R8G8_UNORM; |
| case dawn::VertexFormat::UChar4Norm: |
| return VK_FORMAT_R8G8B8A8_UNORM; |
| case dawn::VertexFormat::Char2Norm: |
| return VK_FORMAT_R8G8_SNORM; |
| case dawn::VertexFormat::Char4Norm: |
| return VK_FORMAT_R8G8B8A8_SNORM; |
| case dawn::VertexFormat::UShort2: |
| return VK_FORMAT_R16G16_UINT; |
| case dawn::VertexFormat::UShort4: |
| return VK_FORMAT_R16G16B16A16_UINT; |
| case dawn::VertexFormat::Short2: |
| return VK_FORMAT_R16G16_SINT; |
| case dawn::VertexFormat::Short4: |
| return VK_FORMAT_R16G16B16A16_SINT; |
| case dawn::VertexFormat::UShort2Norm: |
| return VK_FORMAT_R16G16_UNORM; |
| case dawn::VertexFormat::UShort4Norm: |
| return VK_FORMAT_R16G16B16A16_UNORM; |
| case dawn::VertexFormat::Short2Norm: |
| return VK_FORMAT_R16G16_SNORM; |
| case dawn::VertexFormat::Short4Norm: |
| return VK_FORMAT_R16G16B16A16_SNORM; |
| case dawn::VertexFormat::Half2: |
| return VK_FORMAT_R16G16_SFLOAT; |
| case dawn::VertexFormat::Half4: |
| return VK_FORMAT_R16G16B16A16_SFLOAT; |
| case dawn::VertexFormat::Float: |
| return VK_FORMAT_R32_SFLOAT; |
| case dawn::VertexFormat::Float2: |
| return VK_FORMAT_R32G32_SFLOAT; |
| case dawn::VertexFormat::Float3: |
| return VK_FORMAT_R32G32B32_SFLOAT; |
| case dawn::VertexFormat::Float4: |
| return VK_FORMAT_R32G32B32A32_SFLOAT; |
| case dawn::VertexFormat::UInt: |
| return VK_FORMAT_R32_UINT; |
| case dawn::VertexFormat::UInt2: |
| return VK_FORMAT_R32G32_UINT; |
| case dawn::VertexFormat::UInt3: |
| return VK_FORMAT_R32G32B32_UINT; |
| case dawn::VertexFormat::UInt4: |
| return VK_FORMAT_R32G32B32A32_UINT; |
| case dawn::VertexFormat::Int: |
| return VK_FORMAT_R32_SINT; |
| case dawn::VertexFormat::Int2: |
| return VK_FORMAT_R32G32_SINT; |
| case dawn::VertexFormat::Int3: |
| return VK_FORMAT_R32G32B32_SINT; |
| case dawn::VertexFormat::Int4: |
| return VK_FORMAT_R32G32B32A32_SINT; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| } // anonymous namespace |
| |
| InputState::InputState(InputStateBuilder* builder) : InputStateBase(builder) { |
| // Fill in the "binding info" that will be chained in the create info |
| uint32_t bindingCount = 0; |
| for (uint32_t i : IterateBitSet(GetInputsSetMask())) { |
| const auto& bindingInfo = GetInput(i); |
| |
| auto& bindingDesc = mBindings[bindingCount]; |
| bindingDesc.binding = i; |
| bindingDesc.stride = bindingInfo.stride; |
| bindingDesc.inputRate = VulkanInputRate(bindingInfo.stepMode); |
| |
| bindingCount++; |
| } |
| |
| // Fill in the "attribute info" that will be chained in the create info |
| uint32_t attributeCount = 0; |
| for (uint32_t i : IterateBitSet(GetAttributesSetMask())) { |
| const auto& attributeInfo = GetAttribute(i); |
| |
| auto& attributeDesc = mAttributes[attributeCount]; |
| attributeDesc.location = i; |
| attributeDesc.binding = attributeInfo.inputSlot; |
| attributeDesc.format = VulkanVertexFormat(attributeInfo.format); |
| attributeDesc.offset = attributeInfo.offset; |
| |
| attributeCount++; |
| } |
| |
| // Build the create info |
| mCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; |
| mCreateInfo.pNext = nullptr; |
| mCreateInfo.flags = 0; |
| mCreateInfo.vertexBindingDescriptionCount = bindingCount; |
| mCreateInfo.pVertexBindingDescriptions = mBindings.data(); |
| mCreateInfo.vertexAttributeDescriptionCount = attributeCount; |
| mCreateInfo.pVertexAttributeDescriptions = mAttributes.data(); |
| } |
| |
| const VkPipelineVertexInputStateCreateInfo* InputState::GetCreateInfo() const { |
| return &mCreateInfo; |
| } |
| |
| }} // namespace dawn_native::vulkan |