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https://github.com/encounter/dawn-cmake.git
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b2207737ab
The parameters about vertex attribute were encapsulated in VertexAttributeDescriptor in web idl. This change construct this descriptor accordingly. BUG=dawn:107 Change-Id: Ia1c6e53af951d8f2a0c0b69bdca09291c2661e50 Reviewed-on: https://dawn-review.googlesource.com/c/4620 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Yunchao He <yunchao.he@intel.com>
110 lines
4.3 KiB
C++
110 lines
4.3 KiB
C++
// Copyright 2018 The Dawn Authors
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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 "dawn_native/vulkan/InputStateVk.h"
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#include "common/BitSetIterator.h"
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namespace dawn_native { namespace vulkan {
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namespace {
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VkVertexInputRate VulkanInputRate(dawn::InputStepMode stepMode) {
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switch (stepMode) {
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case dawn::InputStepMode::Vertex:
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return VK_VERTEX_INPUT_RATE_VERTEX;
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case dawn::InputStepMode::Instance:
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return VK_VERTEX_INPUT_RATE_INSTANCE;
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default:
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UNREACHABLE();
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}
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}
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VkFormat VulkanVertexFormat(dawn::VertexFormat format) {
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switch (format) {
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case dawn::VertexFormat::FloatR32G32B32A32:
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return VK_FORMAT_R32G32B32A32_SFLOAT;
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case dawn::VertexFormat::FloatR32G32B32:
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return VK_FORMAT_R32G32B32_SFLOAT;
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case dawn::VertexFormat::FloatR32G32:
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return VK_FORMAT_R32G32_SFLOAT;
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case dawn::VertexFormat::FloatR32:
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return VK_FORMAT_R32_SFLOAT;
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case dawn::VertexFormat::IntR32G32B32A32:
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return VK_FORMAT_R32G32B32A32_SINT;
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case dawn::VertexFormat::IntR32G32B32:
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return VK_FORMAT_R32G32B32_SINT;
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case dawn::VertexFormat::IntR32G32:
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return VK_FORMAT_R32G32_SINT;
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case dawn::VertexFormat::IntR32:
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return VK_FORMAT_R32_SINT;
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case dawn::VertexFormat::UshortR16G16B16A16:
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return VK_FORMAT_R16G16B16A16_UINT;
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case dawn::VertexFormat::UshortR16G16:
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return VK_FORMAT_R16G16_UINT;
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case dawn::VertexFormat::UnormR8G8B8A8:
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return VK_FORMAT_R8G8B8A8_UNORM;
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case dawn::VertexFormat::UnormR8G8:
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return VK_FORMAT_R8G8_UNORM;
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default:
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UNREACHABLE();
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}
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}
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} // anonymous namespace
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InputState::InputState(InputStateBuilder* builder) : InputStateBase(builder) {
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// Fill in the "binding info" that will be chained in the create info
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uint32_t bindingCount = 0;
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for (uint32_t i : IterateBitSet(GetInputsSetMask())) {
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const auto& bindingInfo = GetInput(i);
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auto& bindingDesc = mBindings[bindingCount];
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bindingDesc.binding = i;
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bindingDesc.stride = bindingInfo.stride;
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bindingDesc.inputRate = VulkanInputRate(bindingInfo.stepMode);
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bindingCount++;
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}
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// Fill in the "attribute info" that will be chained in the create info
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uint32_t attributeCount = 0;
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for (uint32_t i : IterateBitSet(GetAttributesSetMask())) {
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const auto& attributeInfo = GetAttribute(i);
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auto& attributeDesc = mAttributes[attributeCount];
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attributeDesc.location = i;
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attributeDesc.binding = attributeInfo.inputSlot;
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attributeDesc.format = VulkanVertexFormat(attributeInfo.format);
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attributeDesc.offset = attributeInfo.offset;
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attributeCount++;
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}
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// Build the create info
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mCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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mCreateInfo.pNext = nullptr;
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mCreateInfo.flags = 0;
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mCreateInfo.vertexBindingDescriptionCount = bindingCount;
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mCreateInfo.pVertexBindingDescriptions = mBindings.data();
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mCreateInfo.vertexAttributeDescriptionCount = attributeCount;
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mCreateInfo.pVertexAttributeDescriptions = mAttributes.data();
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}
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const VkPipelineVertexInputStateCreateInfo* InputState::GetCreateInfo() const {
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return &mCreateInfo;
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}
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}} // namespace dawn_native::vulkan
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