// Copyright 2019 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 "tests/perf_tests/DawnPerfTest.h"

#include "common/Assert.h"
#include "common/Constants.h"
#include "common/Math.h"
#include "tests/ParamGenerator.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"

namespace {

    constexpr unsigned int kNumDraws = 2000;

    constexpr uint32_t kTextureSize = 64;
    constexpr size_t kUniformSize = 3 * sizeof(float);

    constexpr float kVertexData[12] = {
        0.0f, 0.5f, 0.0f, 1.0f, -0.5f, -0.5f, 0.0f, 1.0f, 0.5f, -0.5f, 0.0f, 1.0f,
    };

    constexpr char kVertexShader[] = R"(
                #version 450
                layout(location = 0) in vec4 pos;
                void main() {
                    gl_Position = pos;
                })";

    constexpr char kFragmentShaderA[] = R"(
                #version 450
                layout (std140, set = 0, binding = 0) uniform Uniforms {
                    vec3 color;
                };
                layout(location = 0) out vec4 fragColor;
                void main() {
                    fragColor = vec4(color / 5000., 1.0);
                })";

    constexpr char kFragmentShaderB[] = R"(
                #version 450
                layout (std140, set = 0, binding = 0) uniform Constants {
                    vec3 colorA;
                };
                layout (std140, set = 1, binding = 0) uniform Uniforms {
                    vec3 colorB;
                };
                layout(location = 0) out vec4 fragColor;
                void main() {
                    fragColor = vec4((colorA + colorB) / 5000., 1.0);
                })";

    enum class Pipeline {
        Static,     // Keep the same pipeline for all draws.
        Redundant,  // Use the same pipeline, but redundantly set it.
        Dynamic,    // Change the pipeline between draws.
    };

    enum class UniformData {
        Static,   // Don't update per-draw uniform data.
        Dynamic,  // Update the per-draw uniform data once per frame.
    };

    enum class BindGroup {
        NoChange,   // Use one bind group for all draws.
        Redundant,  // Use the same bind group, but redundantly set it.
        NoReuse,    // Create a new bind group every time.
        Multiple,   // Use multiple static bind groups.
        Dynamic,    // Use bind groups with dynamic offsets.
    };

    enum class VertexBuffer {
        NoChange,  // Use one vertex buffer for all draws.
        Multiple,  // Use multiple static vertex buffers.
        Dynamic,   // Switch vertex buffers between draws.
    };

    enum class RenderBundle {
        No,   // Record commands in a render pass
        Yes,  // Record commands in a render bundle
    };

    struct DrawCallParam {
        Pipeline pipelineType;
        VertexBuffer vertexBufferType;
        BindGroup bindGroupType;
        UniformData uniformDataType;
        RenderBundle withRenderBundle;
    };

    using DrawCallParamTuple =
        std::tuple<Pipeline, VertexBuffer, BindGroup, UniformData, RenderBundle>;

    template <typename T>
    int AssignParam(T& lhs, T rhs) {
        lhs = rhs;
        return 0;
    }

    // This helper function allows creating a DrawCallParam from a list of arguments
    // without specifying all of the members. Provided members can be passed once in an arbitrary
    // order. Unspecified members default to:
    //  - Pipeline::Static
    //  - VertexBuffer::NoChange
    //  - BindGroup::NoChange
    //  - UniformData::Static
    //  - RenderBundle::No
    template <typename... Ts>
    DrawCallParam MakeParam(Ts... args) {
        // Baseline param
        DrawCallParamTuple paramTuple{Pipeline::Static, VertexBuffer::NoChange, BindGroup::NoChange,
                                      UniformData::Static, RenderBundle::No};

        unsigned int unused[] = {
            AssignParam(std::get<Ts>(paramTuple), args)...,
        };
        DAWN_UNUSED(unused);

        return DrawCallParam{
            std::get<Pipeline>(paramTuple),     std::get<VertexBuffer>(paramTuple),
            std::get<BindGroup>(paramTuple),    std::get<UniformData>(paramTuple),
            std::get<RenderBundle>(paramTuple),
        };
    }

    struct DrawCallParamForTest : DawnTestParam {
        DrawCallParamForTest(const DawnTestParam& backendParam, DrawCallParam param)
            : DawnTestParam(backendParam), param(param) {
        }
        DrawCallParam param;
    };

    std::ostream& operator<<(std::ostream& ostream, const DrawCallParamForTest& testParams) {
        ostream << static_cast<const DawnTestParam&>(testParams);

        const DrawCallParam& param = testParams.param;

        switch (param.pipelineType) {
            case Pipeline::Static:
                break;
            case Pipeline::Redundant:
                ostream << "_RedundantPipeline";
                break;
            case Pipeline::Dynamic:
                ostream << "_DynamicPipeline";
                break;
        }

        switch (param.vertexBufferType) {
            case VertexBuffer::NoChange:
                break;
            case VertexBuffer::Multiple:
                ostream << "_MultipleVertexBuffers";
                break;
            case VertexBuffer::Dynamic:
                ostream << "_DynamicVertexBuffer";
        }

        switch (param.bindGroupType) {
            case BindGroup::NoChange:
                break;
            case BindGroup::Redundant:
                ostream << "_RedundantBindGroups";
                break;
            case BindGroup::NoReuse:
                ostream << "_NoReuseBindGroups";
                break;
            case BindGroup::Multiple:
                ostream << "_MultipleBindGroups";
                break;
            case BindGroup::Dynamic:
                ostream << "_DynamicBindGroup";
                break;
        }

        switch (param.uniformDataType) {
            case UniformData::Static:
                break;
            case UniformData::Dynamic:
                ostream << "_DynamicData";
                break;
        }

        switch (param.withRenderBundle) {
            case RenderBundle::No:
                break;
            case RenderBundle::Yes:
                ostream << "_RenderBundle";
                break;
        }

        return ostream;
    }

}  // anonymous namespace

// DrawCallPerf is an uber-benchmark with supports many parameterizations.
// The specific parameterizations we care about are explicitly instantiated at the bottom
// of this test file.
// DrawCallPerf tests drawing a simple triangle with many ways of encoding commands,
// binding, and uploading data to the GPU. The rationale for this is the following:
//   - Static/Multiple/Dynamic vertex buffers: Tests switching buffer bindings. This has
//     a state tracking cost as well as a GPU driver cost.
//   - Static/Multiple/Dynamic bind groups: Same rationale as vertex buffers
//   - Static/Dynamic pipelines: In addition to a change to GPU state, changing the pipeline
//     layout incurs additional state tracking costs in Dawn.
//   - With/Without render bundles: All of the above can have lower validation costs if
//     precomputed in a render bundle.
//   - Static/Dynamic data: Updating data for each draw is a common use case. It also tests
//     the efficiency of resource transitions.
class DrawCallPerf : public DawnPerfTestWithParams<DrawCallParamForTest> {
  public:
    DrawCallPerf() : DawnPerfTestWithParams(kNumDraws, 3) {
    }
    ~DrawCallPerf() override = default;

    void TestSetUp() override;

  protected:
    DrawCallParam GetParam() const {
        return DawnPerfTestWithParams::GetParam().param;
    }

    template <typename Encoder>
    void RecordRenderCommands(Encoder encoder);

  private:
    void Step() override;

    // One large dynamic vertex buffer, or multiple separate vertex buffers.
    wgpu::Buffer mVertexBuffers[kNumDraws];
    size_t mAlignedVertexDataSize;

    std::vector<float> mUniformBufferData;
    // One large dynamic uniform buffer, or multiple separate uniform buffers.
    wgpu::Buffer mUniformBuffers[kNumDraws];

    wgpu::BindGroupLayout mUniformBindGroupLayout;
    // One dynamic bind group or multiple bind groups.
    wgpu::BindGroup mUniformBindGroups[kNumDraws];
    size_t mAlignedUniformSize;
    size_t mNumUniformFloats;

    wgpu::BindGroupLayout mConstantBindGroupLayout;
    wgpu::BindGroup mConstantBindGroup;

    // If the pipeline is static, only the first is used.
    // Otherwise, the test alternates between two pipelines for each draw.
    wgpu::RenderPipeline mPipelines[2];

    wgpu::TextureView mColorAttachment;
    wgpu::TextureView mDepthStencilAttachment;

    wgpu::RenderBundle mRenderBundle;
};

void DrawCallPerf::TestSetUp() {
    DawnPerfTestWithParams::TestSetUp();

    // Compute aligned uniform / vertex data sizes.
    mAlignedUniformSize = Align(kUniformSize, kMinDynamicBufferOffsetAlignment);
    mAlignedVertexDataSize = Align(sizeof(kVertexData), 4);

    // Initialize uniform buffer data.
    mNumUniformFloats = mAlignedUniformSize / sizeof(float);
    mUniformBufferData = std::vector<float>(kNumDraws * mNumUniformFloats, 0.0);

    // Create the color / depth stencil attachments.
    {
        wgpu::TextureDescriptor descriptor = {};
        descriptor.dimension = wgpu::TextureDimension::e2D;
        descriptor.size.width = kTextureSize;
        descriptor.size.height = kTextureSize;
        descriptor.size.depth = 1;
        descriptor.usage = wgpu::TextureUsage::OutputAttachment;

        descriptor.format = wgpu::TextureFormat::RGBA8Unorm;
        mColorAttachment = device.CreateTexture(&descriptor).CreateView();

        descriptor.format = wgpu::TextureFormat::Depth24PlusStencil8;
        mDepthStencilAttachment = device.CreateTexture(&descriptor).CreateView();
    }

    // Create vertex buffer(s)
    switch (GetParam().vertexBufferType) {
        case VertexBuffer::NoChange:
            mVertexBuffers[0] = utils::CreateBufferFromData(
                device, kVertexData, sizeof(kVertexData), wgpu::BufferUsage::Vertex);
            break;

        case VertexBuffer::Multiple: {
            for (uint32_t i = 0; i < kNumDraws; ++i) {
                mVertexBuffers[i] = utils::CreateBufferFromData(
                    device, kVertexData, sizeof(kVertexData), wgpu::BufferUsage::Vertex);
            }
        } break;

        case VertexBuffer::Dynamic: {
            std::vector<char> data(mAlignedVertexDataSize * kNumDraws);
            for (uint32_t i = 0; i < kNumDraws; ++i) {
                memcpy(data.data() + mAlignedVertexDataSize * i, kVertexData, sizeof(kVertexData));
            }

            mVertexBuffers[0] = utils::CreateBufferFromData(device, data.data(), data.size(),
                                                            wgpu::BufferUsage::Vertex);
        } break;
    }

    // Create the bind group layout.
    switch (GetParam().bindGroupType) {
        case BindGroup::NoChange:
        case BindGroup::Redundant:
        case BindGroup::NoReuse:
        case BindGroup::Multiple:
            mUniformBindGroupLayout = utils::MakeBindGroupLayout(
                device,
                {
                    {0, wgpu::ShaderStage::Fragment, wgpu::BindingType::UniformBuffer, false},
                });
            break;

        case BindGroup::Dynamic:
            mUniformBindGroupLayout = utils::MakeBindGroupLayout(
                device,
                {
                    {0, wgpu::ShaderStage::Fragment, wgpu::BindingType::UniformBuffer, true},
                });
            break;

        default:
            UNREACHABLE();
            break;
    }

    // Setup the base render pipeline descriptor.
    utils::ComboRenderPipelineDescriptor renderPipelineDesc(device);
    renderPipelineDesc.cVertexInput.bufferCount = 1;
    renderPipelineDesc.cVertexInput.cBuffers[0].stride = 4 * sizeof(float);
    renderPipelineDesc.cVertexInput.cBuffers[0].attributeCount = 1;
    renderPipelineDesc.cVertexInput.cAttributes[0].format = wgpu::VertexFormat::Float4;
    renderPipelineDesc.depthStencilState = &renderPipelineDesc.cDepthStencilState;
    renderPipelineDesc.cDepthStencilState.format = wgpu::TextureFormat::Depth24PlusStencil8;
    renderPipelineDesc.cColorStates[0].format = wgpu::TextureFormat::RGBA8Unorm;

    // Create the pipeline layout for the first pipeline.
    wgpu::PipelineLayoutDescriptor pipelineLayoutDesc = {};
    pipelineLayoutDesc.bindGroupLayouts = &mUniformBindGroupLayout;
    pipelineLayoutDesc.bindGroupLayoutCount = 1;
    wgpu::PipelineLayout pipelineLayout = device.CreatePipelineLayout(&pipelineLayoutDesc);

    // Create the shaders for the first pipeline.
    wgpu::ShaderModule vsModule =
        utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, kVertexShader);
    wgpu::ShaderModule fsModule =
        utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, kFragmentShaderA);

    // Create the first pipeline.
    renderPipelineDesc.layout = pipelineLayout;
    renderPipelineDesc.vertexStage.module = vsModule;
    renderPipelineDesc.cFragmentStage.module = fsModule;
    mPipelines[0] = device.CreateRenderPipeline(&renderPipelineDesc);

    // If the test is using a dynamic pipeline, create the second pipeline.
    if (GetParam().pipelineType == Pipeline::Dynamic) {
        // Create another bind group layout. The data for this binding point will be the same for
        // all draws.
        mConstantBindGroupLayout = utils::MakeBindGroupLayout(
            device, {
                        {0, wgpu::ShaderStage::Fragment, wgpu::BindingType::UniformBuffer, false},
                    });

        // Create the pipeline layout.
        wgpu::BindGroupLayout bindGroupLayouts[2] = {
            mConstantBindGroupLayout,
            mUniformBindGroupLayout,
        };
        pipelineLayoutDesc.bindGroupLayouts = bindGroupLayouts,
        pipelineLayoutDesc.bindGroupLayoutCount = 2;
        wgpu::PipelineLayout pipelineLayout = device.CreatePipelineLayout(&pipelineLayoutDesc);

        // Create the fragment shader module. This shader matches the pipeline layout described
        // above.
        wgpu::ShaderModule fsModule =
            utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, kFragmentShaderB);

        // Create the pipeline.
        renderPipelineDesc.layout = pipelineLayout;
        renderPipelineDesc.cFragmentStage.module = fsModule;
        mPipelines[1] = device.CreateRenderPipeline(&renderPipelineDesc);

        // Create the buffer and bind group to bind to the constant bind group layout slot.
        constexpr float kConstantData[] = {0.01, 0.02, 0.03};
        wgpu::Buffer constantBuffer = utils::CreateBufferFromData(
            device, kConstantData, sizeof(kConstantData), wgpu::BufferUsage::Uniform);
        mConstantBindGroup = utils::MakeBindGroup(device, mConstantBindGroupLayout,
                                                  {{0, constantBuffer, 0, sizeof(kConstantData)}});
    }

    // Create the buffers and bind groups for the per-draw uniform data.
    switch (GetParam().bindGroupType) {
        case BindGroup::NoChange:
        case BindGroup::Redundant:
            mUniformBuffers[0] = utils::CreateBufferFromData(
                device, mUniformBufferData.data(), 3 * sizeof(float), wgpu::BufferUsage::Uniform);

            mUniformBindGroups[0] = utils::MakeBindGroup(
                device, mUniformBindGroupLayout, {{0, mUniformBuffers[0], 0, kUniformSize}});
            break;

        case BindGroup::NoReuse:
            for (uint32_t i = 0; i < kNumDraws; ++i) {
                mUniformBuffers[i] = utils::CreateBufferFromData(
                    device, mUniformBufferData.data() + i * mNumUniformFloats, 3 * sizeof(float),
                    wgpu::BufferUsage::Uniform);
            }
            // Bind groups are created on-the-fly.
            break;

        case BindGroup::Multiple:
            for (uint32_t i = 0; i < kNumDraws; ++i) {
                mUniformBuffers[i] = utils::CreateBufferFromData(
                    device, mUniformBufferData.data() + i * mNumUniformFloats, 3 * sizeof(float),
                    wgpu::BufferUsage::Uniform);

                mUniformBindGroups[i] = utils::MakeBindGroup(
                    device, mUniformBindGroupLayout, {{0, mUniformBuffers[i], 0, kUniformSize}});
            }
            break;

        case BindGroup::Dynamic:
            mUniformBuffers[0] = utils::CreateBufferFromData(
                device, mUniformBufferData.data(), mUniformBufferData.size() * sizeof(float),
                wgpu::BufferUsage::Uniform);

            mUniformBindGroups[0] = utils::MakeBindGroup(
                device, mUniformBindGroupLayout, {{0, mUniformBuffers[0], 0, kUniformSize}});
            break;
        default:
            UNREACHABLE();
            break;
    }

    // If using render bundles, record the render commands now.
    if (GetParam().withRenderBundle == RenderBundle::Yes) {
        wgpu::RenderBundleEncoderDescriptor descriptor = {};
        descriptor.colorFormatsCount = 1;
        descriptor.colorFormats = &renderPipelineDesc.cColorStates[0].format;
        descriptor.depthStencilFormat = renderPipelineDesc.cDepthStencilState.format;

        wgpu::RenderBundleEncoder encoder = device.CreateRenderBundleEncoder(&descriptor);
        RecordRenderCommands(encoder);
        mRenderBundle = encoder.Finish();
    }
}

template <typename Encoder>
void DrawCallPerf::RecordRenderCommands(Encoder pass) {
    uint32_t uniformBindGroupIndex = 0;

    if (GetParam().pipelineType == Pipeline::Static) {
        // Static pipeline can be set now.
        pass.SetPipeline(mPipelines[0]);
    }

    if (GetParam().vertexBufferType == VertexBuffer::NoChange) {
        // Static vertex buffer can be set now.
        pass.SetVertexBuffer(0, mVertexBuffers[0]);
    }

    if (GetParam().bindGroupType == BindGroup::NoChange) {
        // Incompatible. Can't change pipeline without changing bind groups.
        ASSERT(GetParam().pipelineType == Pipeline::Static);

        // Static bind group can be set now.
        pass.SetBindGroup(uniformBindGroupIndex, mUniformBindGroups[0]);
    }

    for (unsigned int i = 0; i < kNumDraws; ++i) {
        switch (GetParam().pipelineType) {
            case Pipeline::Static:
                break;
            case Pipeline::Redundant:
                pass.SetPipeline(mPipelines[0]);
                break;
            case Pipeline::Dynamic: {
                // If the pipeline is dynamic, ping pong between two pipelines.
                pass.SetPipeline(mPipelines[i % 2]);

                // The pipelines have different layouts so we change the binding index here.
                uniformBindGroupIndex = i % 2;
                if (uniformBindGroupIndex == 1) {
                    // Because of the pipeline layout change, we need to rebind bind group index 0.
                    pass.SetBindGroup(0, mConstantBindGroup);
                }
            } break;
        }

        // Set the vertex buffer, if it changes.
        switch (GetParam().vertexBufferType) {
            case VertexBuffer::NoChange:
                break;

            case VertexBuffer::Multiple:
                pass.SetVertexBuffer(0, mVertexBuffers[i]);
                break;

            case VertexBuffer::Dynamic:
                pass.SetVertexBuffer(0, mVertexBuffers[0], i * mAlignedVertexDataSize);
                break;
        }

        // Set the bind group, if it changes.
        switch (GetParam().bindGroupType) {
            case BindGroup::NoChange:
                break;

            case BindGroup::Redundant:
                pass.SetBindGroup(uniformBindGroupIndex, mUniformBindGroups[0]);
                break;

            case BindGroup::NoReuse: {
                wgpu::BindGroup bindGroup = utils::MakeBindGroup(
                    device, mUniformBindGroupLayout, {{0, mUniformBuffers[i], 0, kUniformSize}});
                pass.SetBindGroup(uniformBindGroupIndex, bindGroup);
            } break;

            case BindGroup::Multiple:
                pass.SetBindGroup(uniformBindGroupIndex, mUniformBindGroups[i]);
                break;

            case BindGroup::Dynamic: {
                uint32_t dynamicOffset = static_cast<uint32_t>(i * mAlignedUniformSize);
                pass.SetBindGroup(uniformBindGroupIndex, mUniformBindGroups[0], 1, &dynamicOffset);
            } break;

            default:
                UNREACHABLE();
                break;
        }
        pass.Draw(3, 1, 0, 0);
    }
}

void DrawCallPerf::Step() {
    if (GetParam().uniformDataType == UniformData::Dynamic) {
        // Update uniform data if it's dynamic.
        std::fill(mUniformBufferData.begin(), mUniformBufferData.end(),
                  mUniformBufferData[0] + 1.0);

        switch (GetParam().bindGroupType) {
            case BindGroup::NoChange:
            case BindGroup::Redundant:
                mUniformBuffers[0].SetSubData(0, 3 * sizeof(float), mUniformBufferData.data());
                break;
            case BindGroup::NoReuse:
            case BindGroup::Multiple:
                for (uint32_t i = 0; i < kNumDraws; ++i) {
                    mUniformBuffers[i].SetSubData(
                        0, 3 * sizeof(float), mUniformBufferData.data() + i * mNumUniformFloats);
                }
                break;
            case BindGroup::Dynamic:
                mUniformBuffers[0].SetSubData(0, mUniformBufferData.size() * sizeof(float),
                                              mUniformBufferData.data());
                break;
        }
    }

    wgpu::CommandEncoder commands = device.CreateCommandEncoder();
    utils::ComboRenderPassDescriptor renderPass({mColorAttachment}, mDepthStencilAttachment);
    wgpu::RenderPassEncoder pass = commands.BeginRenderPass(&renderPass);

    switch (GetParam().withRenderBundle) {
        case RenderBundle::No:
            RecordRenderCommands(pass);
            break;
        case RenderBundle::Yes:
            pass.ExecuteBundles(1, &mRenderBundle);
            break;
        default:
            UNREACHABLE();
            break;
    }

    pass.EndPass();
    wgpu::CommandBuffer commandBuffer = commands.Finish();
    queue.Submit(1, &commandBuffer);
}

TEST_P(DrawCallPerf, Run) {
    RunTest();
}

DAWN_INSTANTIATE_PERF_TEST_SUITE_P(
    DrawCallPerf,
    {D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend},
    {
        // Baseline
        MakeParam(),

        // Change vertex buffer binding
        MakeParam(VertexBuffer::Multiple),  // Multiple vertex buffers
        MakeParam(VertexBuffer::Dynamic),   // Dynamic vertex buffer

        // Change bind group binding
        MakeParam(BindGroup::Multiple),  // Multiple bind groups
        MakeParam(BindGroup::Dynamic),   // Dynamic bind groups
        MakeParam(BindGroup::NoReuse),   // New bind group per-draw

        // Redundantly set pipeline / bind groups
        MakeParam(Pipeline::Redundant, BindGroup::Redundant),

        // Switch the pipeline every draw to test state tracking and updates to binding points
        MakeParam(Pipeline::Dynamic,
                  BindGroup::Multiple),  // Multiple bind groups w/ dynamic pipeline
        MakeParam(Pipeline::Dynamic,
                  BindGroup::Dynamic),  // Dynamic bind groups w/ dynamic pipeline

        // ----------- Render Bundles -----------
        // Command validation / state tracking can be futher optimized / precomputed.
        // Use render bundles with varying vertex buffer binding
        MakeParam(VertexBuffer::Multiple,
                  RenderBundle::Yes),  // Multiple vertex buffers w/ render bundle
        MakeParam(VertexBuffer::Dynamic,
                  RenderBundle::Yes),  // Dynamic vertex buffer w/ render bundle

        // Use render bundles with varying bind group binding
        MakeParam(BindGroup::Multiple, RenderBundle::Yes),  // Multiple bind groups w/ render bundle
        MakeParam(BindGroup::Dynamic, RenderBundle::Yes),   // Dynamic bind groups w/ render bundle

        // Use render bundles with dynamic pipeline
        MakeParam(Pipeline::Dynamic,
                  BindGroup::Multiple,
                  RenderBundle::Yes),  // Multiple bind groups w/ dynamic pipeline w/ render bundle
        MakeParam(Pipeline::Dynamic,
                  BindGroup::Dynamic,
                  RenderBundle::Yes),  // Dynamic bind groups w/ dynamic pipeline w/ render bundle

        // ----------- Render Bundles (end)-------

        // Update per-draw data in the bind group(s). This will cause resource transitions between
        // updating and drawing.
        MakeParam(BindGroup::Multiple,
                  UniformData::Dynamic),  // Update per-draw data: Multiple bind groups
        MakeParam(BindGroup::Dynamic,
                  UniformData::Dynamic),  // Update per-draw data: Dynamic bind groups
    });