Add m-esr52 at 52.6.0

1 files changed, 651 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp
new file mode 100755
index 000000000..89d5dc676
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp
@@ -0,0 +1,651 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// InputLayoutCache.cpp: Defines InputLayoutCache, a class that builds and caches
+// D3D11 input layouts.
+
+#include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h"
+
+#include "common/BitSetIterator.h"
+#include "common/utilities.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexBuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "third_party/murmurhash/MurmurHash3.h"
+
+namespace rx
+{
+
+namespace
+{
+
+size_t GetReservedBufferCount(bool usesPointSpriteEmulation)
+{
+    return usesPointSpriteEmulation ? 1 : 0;
+}
+
+gl::InputLayout GetInputLayout(const std::vector<const TranslatedAttribute *> &translatedAttributes)
+{
+    gl::InputLayout inputLayout(translatedAttributes.size(), gl::VERTEX_FORMAT_INVALID);
+
+    for (size_t attributeIndex = 0; attributeIndex < translatedAttributes.size(); ++attributeIndex)
+    {
+        const TranslatedAttribute *translatedAttribute = translatedAttributes[attributeIndex];
+        inputLayout[attributeIndex] = gl::GetVertexFormatType(
+            *translatedAttribute->attribute, translatedAttribute->currentValueType);
+    }
+    return inputLayout;
+}
+
+GLenum GetGLSLAttributeType(const std::vector<sh::Attribute> &shaderAttributes, int index)
+{
+    // Count matrices differently
+    for (const sh::Attribute &attrib : shaderAttributes)
+    {
+        if (attrib.location == -1)
+        {
+            continue;
+        }
+
+        GLenum transposedType = gl::TransposeMatrixType(attrib.type);
+        int rows              = gl::VariableRowCount(transposedType);
+
+        if (index >= attrib.location && index < attrib.location + rows)
+        {
+            return transposedType;
+        }
+    }
+
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+const unsigned int kDefaultCacheSize = 1024;
+
+struct PackedAttribute
+{
+    uint8_t attribType;
+    uint8_t semanticIndex;
+    uint8_t vertexFormatType;
+    uint8_t divisor;
+};
+
+Optional<size_t> FindFirstNonInstanced(
+    const std::vector<const TranslatedAttribute *> &currentAttributes)
+{
+    for (size_t index = 0; index < currentAttributes.size(); ++index)
+    {
+        if (currentAttributes[index]->divisor == 0)
+        {
+            return Optional<size_t>(index);
+        }
+    }
+
+    return Optional<size_t>::Invalid();
+}
+
+void SortAttributesByLayout(const gl::Program *program,
+                            const std::vector<TranslatedAttribute> &vertexArrayAttribs,
+                            const std::vector<TranslatedAttribute> &currentValueAttribs,
+                            AttribIndexArray *sortedD3DSemanticsOut,
+                            std::vector<const TranslatedAttribute *> *sortedAttributesOut)
+{
+    sortedAttributesOut->clear();
+
+    const auto &locationToSemantic =
+        GetImplAs<ProgramD3D>(program)->getAttribLocationToD3DSemantics();
+
+    for (auto locationIndex : angle::IterateBitSet(program->getActiveAttribLocationsMask()))
+    {
+        int d3dSemantic = locationToSemantic[locationIndex];
+        if (sortedAttributesOut->size() <= static_cast<size_t>(d3dSemantic))
+        {
+            sortedAttributesOut->resize(d3dSemantic + 1);
+        }
+
+        (*sortedD3DSemanticsOut)[d3dSemantic] = d3dSemantic;
+
+        const auto *arrayAttrib = &vertexArrayAttribs[locationIndex];
+        if (arrayAttrib->attribute && arrayAttrib->attribute->enabled)
+        {
+            (*sortedAttributesOut)[d3dSemantic] = arrayAttrib;
+        }
+        else
+        {
+            ASSERT(currentValueAttribs[locationIndex].attribute);
+            (*sortedAttributesOut)[d3dSemantic] = &currentValueAttribs[locationIndex];
+        }
+    }
+}
+
+} // anonymous namespace
+
+void InputLayoutCache::PackedAttributeLayout::addAttributeData(
+    GLenum glType,
+    UINT semanticIndex,
+    gl::VertexFormatType vertexFormatType,
+    unsigned int divisor)
+{
+    gl::AttributeType attribType = gl::GetAttributeType(glType);
+
+    PackedAttribute packedAttrib;
+    packedAttrib.attribType = static_cast<uint8_t>(attribType);
+    packedAttrib.semanticIndex = static_cast<uint8_t>(semanticIndex);
+    packedAttrib.vertexFormatType = static_cast<uint8_t>(vertexFormatType);
+    packedAttrib.divisor = static_cast<uint8_t>(divisor);
+
+    ASSERT(static_cast<gl::AttributeType>(packedAttrib.attribType) == attribType);
+    ASSERT(static_cast<UINT>(packedAttrib.semanticIndex) == semanticIndex);
+    ASSERT(static_cast<gl::VertexFormatType>(packedAttrib.vertexFormatType) == vertexFormatType);
+    ASSERT(static_cast<unsigned int>(packedAttrib.divisor) == divisor);
+
+    static_assert(sizeof(uint32_t) == sizeof(PackedAttribute), "PackedAttributes must be 32-bits exactly.");
+
+    attributeData[numAttributes++] = gl::bitCast<uint32_t>(packedAttrib);
+}
+
+bool InputLayoutCache::PackedAttributeLayout::operator<(const PackedAttributeLayout &other) const
+{
+    if (numAttributes != other.numAttributes)
+    {
+        return numAttributes < other.numAttributes;
+    }
+
+    if (flags != other.flags)
+    {
+        return flags < other.flags;
+    }
+
+    return memcmp(attributeData, other.attributeData, sizeof(uint32_t) * numAttributes) < 0;
+}
+
+InputLayoutCache::InputLayoutCache()
+    : mCurrentIL(nullptr),
+      mPointSpriteVertexBuffer(nullptr),
+      mPointSpriteIndexBuffer(nullptr),
+      mCacheSize(kDefaultCacheSize),
+      mDevice(nullptr),
+      mDeviceContext(nullptr)
+{
+    mCurrentBuffers.fill(nullptr);
+    mCurrentVertexStrides.fill(std::numeric_limits<UINT>::max());
+    mCurrentVertexOffsets.fill(std::numeric_limits<UINT>::max());
+    mCurrentAttributes.reserve(gl::MAX_VERTEX_ATTRIBS);
+}
+
+InputLayoutCache::~InputLayoutCache()
+{
+    clear();
+}
+
+void InputLayoutCache::initialize(ID3D11Device *device, ID3D11DeviceContext *context)
+{
+    clear();
+    mDevice = device;
+    mDeviceContext = context;
+    mFeatureLevel = device->GetFeatureLevel();
+}
+
+void InputLayoutCache::clear()
+{
+    for (auto &layout : mLayoutMap)
+    {
+        SafeRelease(layout.second);
+    }
+    mLayoutMap.clear();
+    SafeRelease(mPointSpriteVertexBuffer);
+    SafeRelease(mPointSpriteIndexBuffer);
+    markDirty();
+}
+
+void InputLayoutCache::markDirty()
+{
+    mCurrentIL = nullptr;
+    for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+    {
+        mCurrentBuffers[i]       = nullptr;
+        mCurrentVertexStrides[i] = static_cast<UINT>(-1);
+        mCurrentVertexOffsets[i] = static_cast<UINT>(-1);
+    }
+}
+
+gl::Error InputLayoutCache::applyVertexBuffers(
+    const gl::State &state,
+    const std::vector<TranslatedAttribute> &vertexArrayAttribs,
+    const std::vector<TranslatedAttribute> &currentValueAttribs,
+    GLenum mode,
+    GLint start,
+    TranslatedIndexData *indexInfo,
+    GLsizei numIndicesPerInstance)
+{
+    ASSERT(mDevice && mDeviceContext);
+
+    gl::Program *program   = state.getProgram();
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+
+    bool programUsesInstancedPointSprites = programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation();
+    bool instancedPointSpritesActive = programUsesInstancedPointSprites && (mode == GL_POINTS);
+
+    AttribIndexArray sortedSemanticIndices;
+    SortAttributesByLayout(program, vertexArrayAttribs, currentValueAttribs, &sortedSemanticIndices,
+                           &mCurrentAttributes);
+
+    // If we are using FL 9_3, make sure the first attribute is not instanced
+    if (mFeatureLevel <= D3D_FEATURE_LEVEL_9_3 && !mCurrentAttributes.empty())
+    {
+        if (mCurrentAttributes[0]->divisor > 0)
+        {
+            Optional<size_t> firstNonInstancedIndex = FindFirstNonInstanced(mCurrentAttributes);
+            if (firstNonInstancedIndex.valid())
+            {
+                size_t index = firstNonInstancedIndex.value();
+                std::swap(mCurrentAttributes[0], mCurrentAttributes[index]);
+                std::swap(sortedSemanticIndices[0], sortedSemanticIndices[index]);
+            }
+        }
+    }
+
+    ANGLE_TRY(updateInputLayout(state, mode, sortedSemanticIndices, numIndicesPerInstance));
+
+    bool dirtyBuffers = false;
+    size_t minDiff    = gl::MAX_VERTEX_ATTRIBS;
+    size_t maxDiff    = 0;
+
+    // Note that if we use instance emulation, we reserve the first buffer slot.
+    size_t reservedBuffers = GetReservedBufferCount(programUsesInstancedPointSprites);
+
+    for (size_t attribIndex = 0; attribIndex < (gl::MAX_VERTEX_ATTRIBS - reservedBuffers);
+         ++attribIndex)
+    {
+        ID3D11Buffer *buffer = nullptr;
+        UINT vertexStride    = 0;
+        UINT vertexOffset    = 0;
+
+        if (attribIndex < mCurrentAttributes.size())
+        {
+            const auto &attrib      = *mCurrentAttributes[attribIndex];
+            Buffer11 *bufferStorage = attrib.storage ? GetAs<Buffer11>(attrib.storage) : nullptr;
+
+            // If indexed pointsprite emulation is active, then we need to take a less efficent code path.
+            // Emulated indexed pointsprite rendering requires that the vertex buffers match exactly to
+            // the indices passed by the caller.  This could expand or shrink the vertex buffer depending
+            // on the number of points indicated by the index list or how many duplicates are found on the index list.
+            if (bufferStorage == nullptr)
+            {
+                ASSERT(attrib.vertexBuffer.get());
+                buffer = GetAs<VertexBuffer11>(attrib.vertexBuffer.get())->getBuffer();
+            }
+            else if (instancedPointSpritesActive && (indexInfo != nullptr))
+            {
+                if (indexInfo->srcIndexData.srcBuffer != nullptr)
+                {
+                    const uint8_t *bufferData = nullptr;
+                    ANGLE_TRY(indexInfo->srcIndexData.srcBuffer->getData(&bufferData));
+                    ASSERT(bufferData != nullptr);
+
+                    ptrdiff_t offset =
+                        reinterpret_cast<ptrdiff_t>(indexInfo->srcIndexData.srcIndices);
+                    indexInfo->srcIndexData.srcBuffer  = nullptr;
+                    indexInfo->srcIndexData.srcIndices = bufferData + offset;
+                }
+
+                ANGLE_TRY_RESULT(bufferStorage->getEmulatedIndexedBuffer(&indexInfo->srcIndexData,
+                                                                         attrib, start),
+                                 buffer);
+            }
+            else
+            {
+                ANGLE_TRY_RESULT(
+                    bufferStorage->getBuffer(BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK), buffer);
+            }
+
+            vertexStride = attrib.stride;
+            ANGLE_TRY_RESULT(attrib.computeOffset(start), vertexOffset);
+        }
+
+        size_t bufferIndex = reservedBuffers + attribIndex;
+
+        if (buffer != mCurrentBuffers[bufferIndex] ||
+            vertexStride != mCurrentVertexStrides[bufferIndex] ||
+            vertexOffset != mCurrentVertexOffsets[bufferIndex])
+        {
+            dirtyBuffers = true;
+            minDiff      = std::min(minDiff, bufferIndex);
+            maxDiff      = std::max(maxDiff, bufferIndex);
+
+            mCurrentBuffers[bufferIndex]       = buffer;
+            mCurrentVertexStrides[bufferIndex] = vertexStride;
+            mCurrentVertexOffsets[bufferIndex] = vertexOffset;
+        }
+    }
+
+    // Instanced PointSprite emulation requires two additional ID3D11Buffers. A vertex buffer needs
+    // to be created and added to the list of current buffers, strides and offsets collections.
+    // This buffer contains the vertices for a single PointSprite quad.
+    // An index buffer also needs to be created and applied because rendering instanced data on
+    // D3D11 FL9_3 requires DrawIndexedInstanced() to be used. Shaders that contain gl_PointSize and
+    // used without the GL_POINTS rendering mode require a vertex buffer because some drivers cannot
+    // handle missing vertex data and will TDR the system.
+    if (programUsesInstancedPointSprites)
+    {
+        HRESULT result = S_OK;
+        const UINT pointSpriteVertexStride = sizeof(float) * 5;
+
+        if (!mPointSpriteVertexBuffer)
+        {
+            static const float pointSpriteVertices[] =
+            {
+                // Position        // TexCoord
+               -1.0f, -1.0f, 0.0f, 0.0f, 1.0f,
+               -1.0f,  1.0f, 0.0f, 0.0f, 0.0f,
+                1.0f,  1.0f, 0.0f, 1.0f, 0.0f,
+                1.0f, -1.0f, 0.0f, 1.0f, 1.0f,
+               -1.0f, -1.0f, 0.0f, 0.0f, 1.0f,
+                1.0f,  1.0f, 0.0f, 1.0f, 0.0f,
+            };
+
+            D3D11_SUBRESOURCE_DATA vertexBufferData = { pointSpriteVertices, 0, 0 };
+            D3D11_BUFFER_DESC vertexBufferDesc;
+            vertexBufferDesc.ByteWidth = sizeof(pointSpriteVertices);
+            vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+            vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+            vertexBufferDesc.CPUAccessFlags = 0;
+            vertexBufferDesc.MiscFlags = 0;
+            vertexBufferDesc.StructureByteStride = 0;
+
+            result = mDevice->CreateBuffer(&vertexBufferDesc, &vertexBufferData, &mPointSpriteVertexBuffer);
+            if (FAILED(result))
+            {
+                return gl::Error(GL_OUT_OF_MEMORY, "Failed to create instanced pointsprite emulation vertex buffer, HRESULT: 0x%08x", result);
+            }
+        }
+
+        mCurrentBuffers[0] = mPointSpriteVertexBuffer;
+        // Set the stride to 0 if GL_POINTS mode is not being used to instruct the driver to avoid
+        // indexing into the vertex buffer.
+        mCurrentVertexStrides[0] = instancedPointSpritesActive ? pointSpriteVertexStride : 0;
+        mCurrentVertexOffsets[0] = 0;
+
+        // Update maxDiff to include the additional point sprite vertex buffer
+        // to ensure that IASetVertexBuffers uses the correct buffer count.
+        minDiff = 0;
+        maxDiff = std::max(maxDiff, static_cast<size_t>(0));
+
+        if (!mPointSpriteIndexBuffer)
+        {
+            // Create an index buffer and set it for pointsprite rendering
+            static const unsigned short pointSpriteIndices[] =
+            {
+                0, 1, 2, 3, 4, 5,
+            };
+
+            D3D11_SUBRESOURCE_DATA indexBufferData = { pointSpriteIndices, 0, 0 };
+            D3D11_BUFFER_DESC indexBufferDesc;
+            indexBufferDesc.ByteWidth = sizeof(pointSpriteIndices);
+            indexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
+            indexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+            indexBufferDesc.CPUAccessFlags = 0;
+            indexBufferDesc.MiscFlags = 0;
+            indexBufferDesc.StructureByteStride = 0;
+
+            result = mDevice->CreateBuffer(&indexBufferDesc, &indexBufferData, &mPointSpriteIndexBuffer);
+            if (FAILED(result))
+            {
+                SafeRelease(mPointSpriteVertexBuffer);
+                return gl::Error(GL_OUT_OF_MEMORY, "Failed to create instanced pointsprite emulation index buffer, HRESULT: 0x%08x", result);
+            }
+        }
+
+        if (instancedPointSpritesActive)
+        {
+            // The index buffer is applied here because Instanced PointSprite emulation uses the a
+            // non-indexed rendering path in ANGLE (DrawArrays). This means that applyIndexBuffer()
+            // on the renderer will not be called and setting this buffer here ensures that the
+            // rendering path will contain the correct index buffers.
+            mDeviceContext->IASetIndexBuffer(mPointSpriteIndexBuffer, DXGI_FORMAT_R16_UINT, 0);
+        }
+    }
+
+    if (dirtyBuffers)
+    {
+        ASSERT(minDiff <= maxDiff && maxDiff < gl::MAX_VERTEX_ATTRIBS);
+        mDeviceContext->IASetVertexBuffers(
+            static_cast<UINT>(minDiff), static_cast<UINT>(maxDiff - minDiff + 1),
+            &mCurrentBuffers[minDiff], &mCurrentVertexStrides[minDiff],
+            &mCurrentVertexOffsets[minDiff]);
+    }
+
+    return gl::NoError();
+}
+
+gl::Error InputLayoutCache::updateVertexOffsetsForPointSpritesEmulation(GLint startVertex,
+                                                                        GLsizei emulatedInstanceId)
+{
+    size_t reservedBuffers = GetReservedBufferCount(true);
+    for (size_t attribIndex = 0; attribIndex < mCurrentAttributes.size(); ++attribIndex)
+    {
+        const auto &attrib = *mCurrentAttributes[attribIndex];
+        size_t bufferIndex = reservedBuffers + attribIndex;
+
+        if (attrib.divisor > 0)
+        {
+            unsigned int offset = 0;
+            ANGLE_TRY_RESULT(attrib.computeOffset(startVertex), offset);
+            mCurrentVertexOffsets[bufferIndex] =
+                offset + (attrib.stride * (emulatedInstanceId / attrib.divisor));
+        }
+    }
+
+    mDeviceContext->IASetVertexBuffers(0, gl::MAX_VERTEX_ATTRIBS, mCurrentBuffers.data(),
+                                       mCurrentVertexStrides.data(), mCurrentVertexOffsets.data());
+
+    return gl::NoError();
+}
+
+gl::Error InputLayoutCache::updateInputLayout(const gl::State &state,
+                                              GLenum mode,
+                                              const AttribIndexArray &sortedSemanticIndices,
+                                              GLsizei numIndicesPerInstance)
+{
+    gl::Program *program         = state.getProgram();
+    const auto &shaderAttributes = program->getAttributes();
+    PackedAttributeLayout layout;
+
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+    bool programUsesInstancedPointSprites =
+        programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation();
+    bool instancedPointSpritesActive = programUsesInstancedPointSprites && (mode == GL_POINTS);
+
+    if (programUsesInstancedPointSprites)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_USES_INSTANCED_SPRITES;
+    }
+
+    if (instancedPointSpritesActive)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_INSTANCED_SPRITES_ACTIVE;
+    }
+
+    if (numIndicesPerInstance > 0)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_INSTANCED_RENDERING_ACTIVE;
+    }
+
+    const auto &attribs            = state.getVertexArray()->getVertexAttributes();
+    const auto &locationToSemantic = programD3D->getAttribLocationToD3DSemantics();
+
+    for (unsigned long attribIndex : angle::IterateBitSet(program->getActiveAttribLocationsMask()))
+    {
+        // Record the type of the associated vertex shader vector in our key
+        // This will prevent mismatched vertex shaders from using the same input layout
+        GLenum glslElementType = GetGLSLAttributeType(shaderAttributes, attribIndex);
+
+        const auto &attrib = attribs[attribIndex];
+        int d3dSemantic    = locationToSemantic[attribIndex];
+
+        const auto &currentValue              = state.getVertexAttribCurrentValue(attribIndex);
+        gl::VertexFormatType vertexFormatType = gl::GetVertexFormatType(attrib, currentValue.Type);
+
+        layout.addAttributeData(glslElementType, d3dSemantic, vertexFormatType, attrib.divisor);
+    }
+
+    ID3D11InputLayout *inputLayout = nullptr;
+    if (layout.numAttributes > 0 || layout.flags != 0)
+    {
+        auto layoutMapIt = mLayoutMap.find(layout);
+        if (layoutMapIt != mLayoutMap.end())
+        {
+            inputLayout = layoutMapIt->second;
+        }
+        else
+        {
+            ANGLE_TRY(createInputLayout(sortedSemanticIndices, mode, program, numIndicesPerInstance,
+                                        &inputLayout));
+            if (mLayoutMap.size() >= mCacheSize)
+            {
+                TRACE("Overflowed the limit of %u input layouts, purging half the cache.",
+                      mCacheSize);
+
+                // Randomly release every second element
+                auto it = mLayoutMap.begin();
+                while (it != mLayoutMap.end())
+                {
+                    it++;
+                    if (it != mLayoutMap.end())
+                    {
+                        // c++11 erase allows us to easily delete the current iterator.
+                        SafeRelease(it->second);
+                        it = mLayoutMap.erase(it);
+                    }
+                }
+            }
+
+            mLayoutMap[layout] = inputLayout;
+        }
+    }
+
+    if (inputLayout != mCurrentIL)
+    {
+        mDeviceContext->IASetInputLayout(inputLayout);
+        mCurrentIL = inputLayout;
+    }
+
+    return gl::NoError();
+}
+
+gl::Error InputLayoutCache::createInputLayout(const AttribIndexArray &sortedSemanticIndices,
+                                              GLenum mode,
+                                              gl::Program *program,
+                                              GLsizei numIndicesPerInstance,
+                                              ID3D11InputLayout **inputLayoutOut)
+{
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+
+    bool programUsesInstancedPointSprites =
+        programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation();
+
+    unsigned int inputElementCount = 0;
+    std::array<D3D11_INPUT_ELEMENT_DESC, gl::MAX_VERTEX_ATTRIBS> inputElements;
+
+    for (size_t attribIndex = 0; attribIndex < mCurrentAttributes.size(); ++attribIndex)
+    {
+        const auto &attrib    = *mCurrentAttributes[attribIndex];
+        const int sortedIndex = sortedSemanticIndices[attribIndex];
+
+        D3D11_INPUT_CLASSIFICATION inputClass =
+            attrib.divisor > 0 ? D3D11_INPUT_PER_INSTANCE_DATA : D3D11_INPUT_PER_VERTEX_DATA;
+
+        const auto &vertexFormatType =
+            gl::GetVertexFormatType(*attrib.attribute, attrib.currentValueType);
+        const auto &vertexFormatInfo = d3d11::GetVertexFormatInfo(vertexFormatType, mFeatureLevel);
+
+        auto *inputElement = &inputElements[inputElementCount];
+
+        inputElement->SemanticName         = "TEXCOORD";
+        inputElement->SemanticIndex        = sortedIndex;
+        inputElement->Format               = vertexFormatInfo.nativeFormat;
+        inputElement->InputSlot            = static_cast<UINT>(attribIndex);
+        inputElement->AlignedByteOffset    = 0;
+        inputElement->InputSlotClass       = inputClass;
+        inputElement->InstanceDataStepRate = attrib.divisor;
+
+        inputElementCount++;
+    }
+
+    // Instanced PointSprite emulation requires additional entries in the
+    // inputlayout to support the vertices that make up the pointsprite quad.
+    // We do this even if mode != GL_POINTS, since the shader signature has these inputs, and the
+    // input layout must match the shader
+    if (programUsesInstancedPointSprites)
+    {
+        // On 9_3, we must ensure that slot 0 contains non-instanced data.
+        // If slot 0 currently contains instanced data then we swap it with a non-instanced element.
+        // Note that instancing is only available on 9_3 via ANGLE_instanced_arrays, since 9_3
+        // doesn't support OpenGL ES 3.0.
+        // As per the spec for ANGLE_instanced_arrays, not all attributes can be instanced
+        // simultaneously, so a non-instanced element must exist.
+        for (size_t elementIndex = 0; elementIndex < inputElementCount; ++elementIndex)
+        {
+            // If rendering points and instanced pointsprite emulation is being used, the
+            // inputClass is required to be configured as per instance data
+            if (mode == GL_POINTS)
+            {
+                inputElements[elementIndex].InputSlotClass       = D3D11_INPUT_PER_INSTANCE_DATA;
+                inputElements[elementIndex].InstanceDataStepRate = 1;
+                if (numIndicesPerInstance > 0 && mCurrentAttributes[elementIndex]->divisor > 0)
+                {
+                    inputElements[elementIndex].InstanceDataStepRate = numIndicesPerInstance;
+                }
+            }
+            inputElements[elementIndex].InputSlot++;
+        }
+
+        inputElements[inputElementCount].SemanticName         = "SPRITEPOSITION";
+        inputElements[inputElementCount].SemanticIndex        = 0;
+        inputElements[inputElementCount].Format               = DXGI_FORMAT_R32G32B32_FLOAT;
+        inputElements[inputElementCount].InputSlot            = 0;
+        inputElements[inputElementCount].AlignedByteOffset    = 0;
+        inputElements[inputElementCount].InputSlotClass       = D3D11_INPUT_PER_VERTEX_DATA;
+        inputElements[inputElementCount].InstanceDataStepRate = 0;
+        inputElementCount++;
+
+        inputElements[inputElementCount].SemanticName         = "SPRITETEXCOORD";
+        inputElements[inputElementCount].SemanticIndex        = 0;
+        inputElements[inputElementCount].Format               = DXGI_FORMAT_R32G32_FLOAT;
+        inputElements[inputElementCount].InputSlot            = 0;
+        inputElements[inputElementCount].AlignedByteOffset    = sizeof(float) * 3;
+        inputElements[inputElementCount].InputSlotClass       = D3D11_INPUT_PER_VERTEX_DATA;
+        inputElements[inputElementCount].InstanceDataStepRate = 0;
+        inputElementCount++;
+    }
+
+    const gl::InputLayout &shaderInputLayout = GetInputLayout(mCurrentAttributes);
+
+    ShaderExecutableD3D *shader = nullptr;
+    ANGLE_TRY(programD3D->getVertexExecutableForInputLayout(shaderInputLayout, &shader, nullptr));
+
+    ShaderExecutableD3D *shader11 = GetAs<ShaderExecutable11>(shader);
+
+    HRESULT result =
+        mDevice->CreateInputLayout(inputElements.data(), inputElementCount, shader11->getFunction(),
+                                   shader11->getLength(), inputLayoutOut);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY,
+                         "Failed to create internal input layout, HRESULT: 0x%08x", result);
+    }
+
+    return gl::NoError();
+}
+
+}  // namespace rx