Add m-esr52 at 52.6.0

1 files changed, 2096 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
new file mode 100755
index 000000000..5bb51feca
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
@@ -0,0 +1,2096 @@
+//
+// Copyright (c) 2012-2014 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.
+//
+
+// renderer11_utils.cpp: Conversion functions and other utility routines
+// specific to the D3D11 renderer.
+
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <algorithm>
+
+#include "common/debug.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/renderer/d3d/d3d11/dxgi_support_table.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/WorkaroundsD3D.h"
+#include "libANGLE/renderer/driver_utils.h"
+
+namespace rx
+{
+
+namespace d3d11_gl
+{
+namespace
+{
+
+// Helper functor for querying DXGI support. Saves passing the parameters repeatedly.
+class DXGISupportHelper : angle::NonCopyable
+{
+  public:
+    DXGISupportHelper(ID3D11Device *device, D3D_FEATURE_LEVEL featureLevel)
+        : mDevice(device), mFeatureLevel(featureLevel)
+    {
+    }
+
+    bool query(DXGI_FORMAT dxgiFormat, UINT supportMask)
+    {
+        if (dxgiFormat == DXGI_FORMAT_UNKNOWN)
+            return false;
+
+        auto dxgiSupport = d3d11::GetDXGISupport(dxgiFormat, mFeatureLevel);
+
+        UINT supportedBits = dxgiSupport.alwaysSupportedFlags;
+
+        if ((dxgiSupport.optionallySupportedFlags & supportMask) != 0)
+        {
+            UINT formatSupport;
+            if (SUCCEEDED(mDevice->CheckFormatSupport(dxgiFormat, &formatSupport)))
+            {
+                supportedBits |= (formatSupport & supportMask);
+            }
+            else
+            {
+                // TODO(jmadill): find out why we fail this call sometimes in FL9_3
+                // ERR("Error checking format support for format 0x%x", dxgiFormat);
+            }
+        }
+
+        return ((supportedBits & supportMask) == supportMask);
+    }
+
+  private:
+    ID3D11Device *mDevice;
+    D3D_FEATURE_LEVEL mFeatureLevel;
+};
+
+gl::TextureCaps GenerateTextureFormatCaps(GLint maxClientVersion,
+                                          GLenum internalFormat,
+                                          ID3D11Device *device,
+                                          const Renderer11DeviceCaps &renderer11DeviceCaps)
+{
+    gl::TextureCaps textureCaps;
+
+    DXGISupportHelper support(device, renderer11DeviceCaps.featureLevel);
+    const d3d11::Format &formatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat);
+
+    UINT texSupportMask = D3D11_FORMAT_SUPPORT_TEXTURE2D;
+    if (internalFormatInfo.depthBits == 0 && internalFormatInfo.stencilBits == 0)
+    {
+        texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURECUBE;
+        if (maxClientVersion > 2)
+        {
+            texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURE3D;
+        }
+    }
+
+    textureCaps.texturable = support.query(formatInfo.texFormat, texSupportMask);
+    textureCaps.filterable =
+        support.query(formatInfo.srvFormat, D3D11_FORMAT_SUPPORT_SHADER_SAMPLE);
+    textureCaps.renderable =
+        (support.query(formatInfo.rtvFormat, D3D11_FORMAT_SUPPORT_RENDER_TARGET)) ||
+        (support.query(formatInfo.dsvFormat, D3D11_FORMAT_SUPPORT_DEPTH_STENCIL));
+
+    DXGI_FORMAT renderFormat = DXGI_FORMAT_UNKNOWN;
+    if (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        renderFormat = formatInfo.dsvFormat;
+    }
+    else if (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        renderFormat = formatInfo.rtvFormat;
+    }
+    if (renderFormat != DXGI_FORMAT_UNKNOWN &&
+        support.query(renderFormat, D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET))
+    {
+        // Assume 1x
+        textureCaps.sampleCounts.insert(1);
+
+        for (unsigned int sampleCount = 2; sampleCount <= D3D11_MAX_MULTISAMPLE_SAMPLE_COUNT;
+             sampleCount *= 2)
+        {
+            UINT qualityCount = 0;
+            if (SUCCEEDED(device->CheckMultisampleQualityLevels(renderFormat, sampleCount,
+                                                                &qualityCount)))
+            {
+                // Assume we always support lower sample counts
+                if (qualityCount == 0)
+                {
+                    break;
+                }
+                textureCaps.sampleCounts.insert(sampleCount);
+            }
+        }
+    }
+
+    return textureCaps;
+}
+
+bool GetNPOTTextureSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+float GetMaximumAnisotropy(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_MAX_MAXANISOTROPY;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_MAX_MAXANISOTROPY;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return 16;
+
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_DEFAULT_MAX_ANISOTROPY;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+bool GetOcclusionQuerySupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+        // ID3D11Device::CreateQuery
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return true;
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetEventQuerySupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateQuery
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return true;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetInstancingSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateInputLayout
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // Feature Level 9_3 supports instancing, but slot 0 in the input layout must not be
+        // instanced.
+        // D3D9 has a similar restriction, where stream 0 must not be instanced.
+        // This restriction can be worked around by remapping any non-instanced slot to slot
+        // 0.
+        // This works because HLSL uses shader semantics to match the vertex inputs to the
+        // elements in the input layout, rather than the slots.
+        // Note that we only support instancing via ANGLE_instanced_array on 9_3, since 9_3
+        // doesn't support OpenGL ES 3.0
+        case D3D_FEATURE_LEVEL_9_3:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetFramebufferMultisampleSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetFramebufferBlitSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetDerivativeInstructionSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/bb509588.aspx states that
+    // shader model
+    // ps_2_x is required for the ddx (and other derivative functions).
+
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx states that
+    // feature level
+    // 9.3 supports shader model ps_2_x.
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+            return true;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetShaderTextureLODSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+size_t GetMaximumSimultaneousRenderTargets(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateInputLayout
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximum2DTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumCubeMapTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURECUBE_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURECUBE_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURECUBE_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURECUBE_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximum2DTextureArraySize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximum3DTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumViewportSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_VIEWPORT_BOUNDS_MAX;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_VIEWPORT_BOUNDS_MAX;
+
+        // No constants for D3D11 Feature Level 9 viewport size limits, use the maximum
+        // texture sizes
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumDrawIndexedIndexCount(D3D_FEATURE_LEVEL featureLevel)
+{
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
+    // that's what's
+    // returned from glGetInteger
+    static_assert(D3D11_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
+                  "Unexpected D3D11 constant value.");
+    static_assert(D3D10_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
+                  "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return std::numeric_limits<GLint>::max();
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumDrawVertexCount(D3D_FEATURE_LEVEL featureLevel)
+{
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
+    // that's what's
+    // returned from glGetInteger
+    static_assert(D3D11_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
+    static_assert(D3D10_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return std::numeric_limits<GLint>::max();
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumVertexInputSlots(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_STANDARD_VERTEX_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_STANDARD_VERTEX_ELEMENT_COUNT;
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_STANDARD_VERTEX_ELEMENT_COUNT;
+
+        // From http://http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        // "Max Input Slots"
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 16;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::VSSetConstantBuffers
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 255 - d3d11_gl::GetReservedVertexUniformVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumVertexUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        // Uniform blocks not supported on D3D11 Feature Level 9
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetReservedVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    // According to The OpenGL ES Shading Language specifications
+    // (Language Version 1.00 section 10.16, Language Version 3.10 section 12.21)
+    // built-in special variables (e.g. gl_FragCoord, or gl_PointCoord)
+    // which are statically used in the shader should be included in the variable packing
+    // algorithm.
+    // Therefore, we should not reserve output vectors for them.
+
+    switch (featureLevel)
+    {
+        // We must reserve one output vector for dx_Position.
+        // We also reserve one for gl_Position, which we unconditionally output on Feature
+        // Levels 10_0+,
+        // even if it's unused in the shader (e.g. for transform feedback). TODO: This could
+        // be improved.
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 2;
+
+        // Just reserve dx_Position on Feature Level 9, since we don't ever need to output
+        // gl_Position.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 1;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    static_assert(gl::IMPLEMENTATION_MAX_VARYING_VECTORS == D3D11_VS_OUTPUT_REGISTER_COUNT,
+                  "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        // Use Shader Model 2.X limits
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumVertexTextureUnits(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        // Vertex textures not supported on D3D11 Feature Level 9 according to
+        // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::VSSetSamplers and ID3D11DeviceContext::VSSetShaderResources
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumPixelUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    // TODO(geofflang): Remove hard-coded limit once the gl-uniform-arrays test can pass
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return 1024;  // D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 1024;  // D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::PSSetConstantBuffers
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 32 - d3d11_gl::GetReservedFragmentUniformVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumPixelUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        // Uniform blocks not supported on D3D11 Feature Level 9
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumPixelInputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        // Use Shader Model 2.X limits
+        case D3D_FEATURE_LEVEL_9_3:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumPixelTextureUnits(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::PSSetShaderResources
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 16;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMinimumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
+
+        // Sampling functions with offsets are not available below shader model 4.0.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
+
+        // Sampling functions with offsets are not available below shader model 4.0.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumConstantBufferSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    // Returns a size_t despite the limit being a GLuint64 because size_t is the maximum
+    // size of
+    // any buffer that could be allocated.
+
+    const size_t bytesPerComponent = 4 * sizeof(float);
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
+
+        // Limits from http://msdn.microsoft.com/en-us/library/windows/desktop/ff476501.aspx
+        // remarks section
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 4096 * bytesPerComponent;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumStreamOutputBuffers(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SO_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_SO_BUFFER_SLOT_COUNT;
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SO_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumStreamOutputInterleavedComponents(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return GetMaximumVertexOutputVectors(featureLevel) * 4;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumStreamOutputSeparateComponents(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return GetMaximumStreamOutputInterleavedComponents(featureLevel) /
+                   GetMaximumStreamOutputBuffers(featureLevel);
+
+        // D3D 10 and 10.1 only allow one output per output slot if an output slot other
+        // than zero is used.
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 4;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+}  // anonymous namespace
+
+unsigned int GetReservedVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 0;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 3;  // dx_ViewAdjust, dx_ViewCoords and dx_ViewScale
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+unsigned int GetReservedFragmentUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 0;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 3;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+GLint GetMaximumClientVersion(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+            return 3;
+
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 2;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void GenerateCaps(ID3D11Device *device, ID3D11DeviceContext *deviceContext, const Renderer11DeviceCaps &renderer11DeviceCaps, gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap, gl::Extensions *extensions, gl::Limitations *limitations)
+{
+    GLuint maxSamples = 0;
+    D3D_FEATURE_LEVEL featureLevel = renderer11DeviceCaps.featureLevel;
+    const gl::FormatSet &allFormats = gl::GetAllSizedInternalFormats();
+    for (gl::FormatSet::const_iterator internalFormat = allFormats.begin(); internalFormat != allFormats.end(); ++internalFormat)
+    {
+        gl::TextureCaps textureCaps = GenerateTextureFormatCaps(GetMaximumClientVersion(featureLevel), *internalFormat, device, renderer11DeviceCaps);
+        textureCapsMap->insert(*internalFormat, textureCaps);
+
+        maxSamples = std::max(maxSamples, textureCaps.getMaxSamples());
+
+        if (gl::GetInternalFormatInfo(*internalFormat).compressed)
+        {
+            caps->compressedTextureFormats.push_back(*internalFormat);
+        }
+    }
+
+    // GL core feature limits
+    // Reserve MAX_UINT for D3D11's primitive restart.
+    caps->maxElementIndex       = static_cast<GLint64>(std::numeric_limits<unsigned int>::max() - 1);
+    caps->max3DTextureSize      = static_cast<GLuint>(GetMaximum3DTextureSize(featureLevel));
+    caps->max2DTextureSize      = static_cast<GLuint>(GetMaximum2DTextureSize(featureLevel));
+    caps->maxCubeMapTextureSize = static_cast<GLuint>(GetMaximumCubeMapTextureSize(featureLevel));
+    caps->maxArrayTextureLayers = static_cast<GLuint>(GetMaximum2DTextureArraySize(featureLevel));
+
+    // Unimplemented, set to minimum required
+    caps->maxLODBias = 2.0f;
+
+    // No specific limits on render target size, maximum 2D texture size is equivalent
+    caps->maxRenderbufferSize = caps->max2DTextureSize;
+
+    // Maximum draw buffers and color attachments are the same, max color attachments could eventually be
+    // increased to 16
+    caps->maxDrawBuffers = static_cast<GLuint>(GetMaximumSimultaneousRenderTargets(featureLevel));
+    caps->maxColorAttachments =
+        static_cast<GLuint>(GetMaximumSimultaneousRenderTargets(featureLevel));
+
+    // D3D11 has the same limit for viewport width and height
+    caps->maxViewportWidth  = static_cast<GLuint>(GetMaximumViewportSize(featureLevel));
+    caps->maxViewportHeight = caps->maxViewportWidth;
+
+    // Choose a reasonable maximum, enforced in the shader.
+    caps->minAliasedPointSize = 1.0f;
+    caps->maxAliasedPointSize = 1024.0f;
+
+    // Wide lines not supported
+    caps->minAliasedLineWidth = 1.0f;
+    caps->maxAliasedLineWidth = 1.0f;
+
+    // Primitive count limits
+    caps->maxElementsIndices  = static_cast<GLuint>(GetMaximumDrawIndexedIndexCount(featureLevel));
+    caps->maxElementsVertices = static_cast<GLuint>(GetMaximumDrawVertexCount(featureLevel));
+
+    // Program and shader binary formats (no supported shader binary formats)
+    caps->programBinaryFormats.push_back(GL_PROGRAM_BINARY_ANGLE);
+
+    caps->vertexHighpFloat.setIEEEFloat();
+    caps->vertexMediumpFloat.setIEEEFloat();
+    caps->vertexLowpFloat.setIEEEFloat();
+    caps->fragmentHighpFloat.setIEEEFloat();
+    caps->fragmentMediumpFloat.setIEEEFloat();
+    caps->fragmentLowpFloat.setIEEEFloat();
+
+    // 32-bit integers are natively supported
+    caps->vertexHighpInt.setTwosComplementInt(32);
+    caps->vertexMediumpInt.setTwosComplementInt(32);
+    caps->vertexLowpInt.setTwosComplementInt(32);
+    caps->fragmentHighpInt.setTwosComplementInt(32);
+    caps->fragmentMediumpInt.setTwosComplementInt(32);
+    caps->fragmentLowpInt.setTwosComplementInt(32);
+
+    // We do not wait for server fence objects internally, so report a max timeout of zero.
+    caps->maxServerWaitTimeout = 0;
+
+    // Vertex shader limits
+    caps->maxVertexAttributes = static_cast<GLuint>(GetMaximumVertexInputSlots(featureLevel));
+    caps->maxVertexUniformComponents =
+        static_cast<GLuint>(GetMaximumVertexUniformVectors(featureLevel)) * 4;
+    caps->maxVertexUniformVectors =
+        static_cast<GLuint>(GetMaximumVertexUniformVectors(featureLevel));
+    caps->maxVertexUniformBlocks = static_cast<GLuint>(GetMaximumVertexUniformBlocks(featureLevel));
+    caps->maxVertexOutputComponents =
+        static_cast<GLuint>(GetMaximumVertexOutputVectors(featureLevel)) * 4;
+    caps->maxVertexTextureImageUnits =
+        static_cast<GLuint>(GetMaximumVertexTextureUnits(featureLevel));
+
+    // Fragment shader limits
+    caps->maxFragmentUniformComponents =
+        static_cast<GLuint>(GetMaximumPixelUniformVectors(featureLevel)) * 4;
+    caps->maxFragmentUniformVectors =
+        static_cast<GLuint>(GetMaximumPixelUniformVectors(featureLevel));
+    caps->maxFragmentUniformBlocks =
+        static_cast<GLuint>(GetMaximumPixelUniformBlocks(featureLevel));
+    caps->maxFragmentInputComponents =
+        static_cast<GLuint>(GetMaximumPixelInputVectors(featureLevel)) * 4;
+    caps->maxTextureImageUnits  = static_cast<GLuint>(GetMaximumPixelTextureUnits(featureLevel));
+    caps->minProgramTexelOffset = GetMinimumTexelOffset(featureLevel);
+    caps->maxProgramTexelOffset = GetMaximumTexelOffset(featureLevel);
+
+    // Aggregate shader limits
+    caps->maxUniformBufferBindings = caps->maxVertexUniformBlocks + caps->maxFragmentUniformBlocks;
+    caps->maxUniformBlockSize = GetMaximumConstantBufferSize(featureLevel);
+
+    // With DirectX 11.1, constant buffer offset and size must be a multiple of 16 constants of 16 bytes each.
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/hh404649%28v=vs.85%29.aspx
+    // With DirectX 11.0, we emulate UBO offsets using copies of ranges of the UBO however
+    // we still keep the same alignment as 11.1 for consistency.
+    caps->uniformBufferOffsetAlignment = 256;
+
+    caps->maxCombinedUniformBlocks = caps->maxVertexUniformBlocks + caps->maxFragmentUniformBlocks;
+    caps->maxCombinedVertexUniformComponents = (static_cast<GLint64>(caps->maxVertexUniformBlocks) * static_cast<GLint64>(caps->maxUniformBlockSize / 4)) +
+                                               static_cast<GLint64>(caps->maxVertexUniformComponents);
+    caps->maxCombinedFragmentUniformComponents = (static_cast<GLint64>(caps->maxFragmentUniformBlocks) * static_cast<GLint64>(caps->maxUniformBlockSize / 4)) +
+                                                 static_cast<GLint64>(caps->maxFragmentUniformComponents);
+    caps->maxVaryingComponents =
+        static_cast<GLuint>(GetMaximumVertexOutputVectors(featureLevel)) * 4;
+    caps->maxVaryingVectors            = static_cast<GLuint>(GetMaximumVertexOutputVectors(featureLevel));
+    caps->maxCombinedTextureImageUnits = caps->maxVertexTextureImageUnits + caps->maxTextureImageUnits;
+
+    // Transform feedback limits
+    caps->maxTransformFeedbackInterleavedComponents =
+        static_cast<GLuint>(GetMaximumStreamOutputInterleavedComponents(featureLevel));
+    caps->maxTransformFeedbackSeparateAttributes =
+        static_cast<GLuint>(GetMaximumStreamOutputBuffers(featureLevel));
+    caps->maxTransformFeedbackSeparateComponents =
+        static_cast<GLuint>(GetMaximumStreamOutputSeparateComponents(featureLevel));
+
+    // Multisample limits
+    caps->maxSamples = maxSamples;
+
+    // GL extension support
+    extensions->setTextureExtensionSupport(*textureCapsMap);
+    extensions->elementIndexUint = true;
+    extensions->getProgramBinary = true;
+    extensions->rgb8rgba8 = true;
+    extensions->readFormatBGRA = true;
+    extensions->pixelBufferObject = true;
+    extensions->mapBuffer = true;
+    extensions->mapBufferRange = true;
+    extensions->textureNPOT = GetNPOTTextureSupport(featureLevel);
+    extensions->drawBuffers = GetMaximumSimultaneousRenderTargets(featureLevel) > 1;
+    extensions->textureStorage = true;
+    extensions->textureFilterAnisotropic = true;
+    extensions->maxTextureAnisotropy = GetMaximumAnisotropy(featureLevel);
+    extensions->occlusionQueryBoolean = GetOcclusionQuerySupport(featureLevel);
+    extensions->fence = GetEventQuerySupport(featureLevel);
+    extensions->timerQuery = false; // Unimplemented
+    extensions->disjointTimerQuery          = true;
+    extensions->queryCounterBitsTimeElapsed = 64;
+    extensions->queryCounterBitsTimestamp =
+        0;  // Timestamps cannot be supported due to D3D11 limitations
+    extensions->robustness = true;
+    extensions->blendMinMax = true;
+    extensions->framebufferBlit = GetFramebufferBlitSupport(featureLevel);
+    extensions->framebufferMultisample = GetFramebufferMultisampleSupport(featureLevel);
+    extensions->instancedArrays = GetInstancingSupport(featureLevel);
+    extensions->packReverseRowOrder = true;
+    extensions->standardDerivatives = GetDerivativeInstructionSupport(featureLevel);
+    extensions->shaderTextureLOD = GetShaderTextureLODSupport(featureLevel);
+    extensions->fragDepth = true;
+    extensions->textureUsage = true; // This could be false since it has no effect in D3D11
+    extensions->discardFramebuffer = true;
+    extensions->translatedShaderSource = true;
+    extensions->fboRenderMipmap = false;
+    extensions->debugMarker = true;
+    extensions->eglImage                 = true;
+    extensions->eglImageExternal          = true;
+    extensions->eglImageExternalEssl3     = true;
+    extensions->eglStreamConsumerExternal = true;
+    extensions->unpackSubimage           = true;
+    extensions->packSubimage             = true;
+    extensions->lossyETCDecode           = true;
+    extensions->syncQuery                 = GetEventQuerySupport(featureLevel);
+    extensions->copyTexture               = true;
+    extensions->copyCompressedTexture     = true;
+
+    // D3D11 Feature Level 10_0+ uses SV_IsFrontFace in HLSL to emulate gl_FrontFacing.
+    // D3D11 Feature Level 9_3 doesn't support SV_IsFrontFace, and has no equivalent, so can't support gl_FrontFacing.
+    limitations->noFrontFacingSupport = (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 Feature Level 9_3 doesn't support alpha-to-coverage
+    limitations->noSampleAlphaToCoverageSupport = (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 Feature Levels 9_3 and below do not support non-constant loop indexing and require
+    // additional
+    // pre-validation of the shader at compile time to produce a better error message.
+    limitations->shadersRequireIndexedLoopValidation =
+        (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 has no concept of separate masks and refs for front and back faces in the depth stencil
+    // state.
+    limitations->noSeparateStencilRefsAndMasks = true;
+
+    // D3D11 cannot support constant color and alpha blend funcs together
+    limitations->noSimultaneousConstantColorAndAlphaBlendFunc = true;
+
+#ifdef ANGLE_ENABLE_WINDOWS_STORE
+    // Setting a non-zero divisor on attribute zero doesn't work on certain Windows Phone 8-era devices.
+    // We should prevent developers from doing this on ALL Windows Store devices. This will maintain consistency across all Windows devices.
+    // We allow non-zero divisors on attribute zero if the Client Version >= 3, since devices affected by this issue don't support ES3+.
+    limitations->attributeZeroRequiresZeroDivisorInEXT = true;
+#endif
+}
+
+}  // namespace d3d11_gl
+
+namespace gl_d3d11
+{
+
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha)
+{
+    D3D11_BLEND d3dBlend = D3D11_BLEND_ZERO;
+
+    switch (glBlend)
+    {
+        case GL_ZERO:
+            d3dBlend = D3D11_BLEND_ZERO;
+            break;
+        case GL_ONE:
+            d3dBlend = D3D11_BLEND_ONE;
+            break;
+        case GL_SRC_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_SRC_ALPHA : D3D11_BLEND_SRC_COLOR);
+            break;
+        case GL_ONE_MINUS_SRC_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC_ALPHA : D3D11_BLEND_INV_SRC_COLOR);
+            break;
+        case GL_DST_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_DEST_ALPHA : D3D11_BLEND_DEST_COLOR);
+            break;
+        case GL_ONE_MINUS_DST_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_INV_DEST_ALPHA : D3D11_BLEND_INV_DEST_COLOR);
+            break;
+        case GL_SRC_ALPHA:
+            d3dBlend = D3D11_BLEND_SRC_ALPHA;
+            break;
+        case GL_ONE_MINUS_SRC_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_SRC_ALPHA;
+            break;
+        case GL_DST_ALPHA:
+            d3dBlend = D3D11_BLEND_DEST_ALPHA;
+            break;
+        case GL_ONE_MINUS_DST_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_DEST_ALPHA;
+            break;
+        case GL_CONSTANT_COLOR:
+            d3dBlend = D3D11_BLEND_BLEND_FACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_COLOR:
+            d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
+            break;
+        case GL_CONSTANT_ALPHA:
+            d3dBlend = D3D11_BLEND_BLEND_FACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
+            break;
+        case GL_SRC_ALPHA_SATURATE:
+            d3dBlend = D3D11_BLEND_SRC_ALPHA_SAT;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlend;
+}
+
+D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp)
+{
+    D3D11_BLEND_OP d3dBlendOp = D3D11_BLEND_OP_ADD;
+
+    switch (glBlendOp)
+    {
+        case GL_FUNC_ADD:
+            d3dBlendOp = D3D11_BLEND_OP_ADD;
+            break;
+        case GL_FUNC_SUBTRACT:
+            d3dBlendOp = D3D11_BLEND_OP_SUBTRACT;
+            break;
+        case GL_FUNC_REVERSE_SUBTRACT:
+            d3dBlendOp = D3D11_BLEND_OP_REV_SUBTRACT;
+            break;
+        case GL_MIN:
+            d3dBlendOp = D3D11_BLEND_OP_MIN;
+            break;
+        case GL_MAX:
+            d3dBlendOp = D3D11_BLEND_OP_MAX;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlendOp;
+}
+
+UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha)
+{
+    UINT8 mask = 0;
+    if (red)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_RED;
+    }
+    if (green)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_GREEN;
+    }
+    if (blue)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_BLUE;
+    }
+    if (alpha)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_ALPHA;
+    }
+    return mask;
+}
+
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, GLenum cullMode)
+{
+    D3D11_CULL_MODE cull = D3D11_CULL_NONE;
+
+    if (cullEnabled)
+    {
+        switch (cullMode)
+        {
+            case GL_FRONT:
+                cull = D3D11_CULL_FRONT;
+                break;
+            case GL_BACK:
+                cull = D3D11_CULL_BACK;
+                break;
+            case GL_FRONT_AND_BACK:
+                cull = D3D11_CULL_NONE;
+                break;
+            default:
+                UNREACHABLE();
+        }
+    }
+    else
+    {
+        cull = D3D11_CULL_NONE;
+    }
+
+    return cull;
+}
+
+D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison)
+{
+    D3D11_COMPARISON_FUNC d3dComp = D3D11_COMPARISON_NEVER;
+    switch (comparison)
+    {
+        case GL_NEVER:
+            d3dComp = D3D11_COMPARISON_NEVER;
+            break;
+        case GL_ALWAYS:
+            d3dComp = D3D11_COMPARISON_ALWAYS;
+            break;
+        case GL_LESS:
+            d3dComp = D3D11_COMPARISON_LESS;
+            break;
+        case GL_LEQUAL:
+            d3dComp = D3D11_COMPARISON_LESS_EQUAL;
+            break;
+        case GL_EQUAL:
+            d3dComp = D3D11_COMPARISON_EQUAL;
+            break;
+        case GL_GREATER:
+            d3dComp = D3D11_COMPARISON_GREATER;
+            break;
+        case GL_GEQUAL:
+            d3dComp = D3D11_COMPARISON_GREATER_EQUAL;
+            break;
+        case GL_NOTEQUAL:
+            d3dComp = D3D11_COMPARISON_NOT_EQUAL;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dComp;
+}
+
+D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled)
+{
+    return depthWriteEnabled ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
+}
+
+UINT8 ConvertStencilMask(GLuint stencilmask)
+{
+    return static_cast<UINT8>(stencilmask);
+}
+
+D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp)
+{
+    D3D11_STENCIL_OP d3dStencilOp = D3D11_STENCIL_OP_KEEP;
+
+    switch (stencilOp)
+    {
+        case GL_ZERO:
+            d3dStencilOp = D3D11_STENCIL_OP_ZERO;
+            break;
+        case GL_KEEP:
+            d3dStencilOp = D3D11_STENCIL_OP_KEEP;
+            break;
+        case GL_REPLACE:
+            d3dStencilOp = D3D11_STENCIL_OP_REPLACE;
+            break;
+        case GL_INCR:
+            d3dStencilOp = D3D11_STENCIL_OP_INCR_SAT;
+            break;
+        case GL_DECR:
+            d3dStencilOp = D3D11_STENCIL_OP_DECR_SAT;
+            break;
+        case GL_INVERT:
+            d3dStencilOp = D3D11_STENCIL_OP_INVERT;
+            break;
+        case GL_INCR_WRAP:
+            d3dStencilOp = D3D11_STENCIL_OP_INCR;
+            break;
+        case GL_DECR_WRAP:
+            d3dStencilOp = D3D11_STENCIL_OP_DECR;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dStencilOp;
+}
+
+D3D11_FILTER ConvertFilter(GLenum minFilter,
+                           GLenum magFilter,
+                           float maxAnisotropy,
+                           GLenum comparisonMode)
+{
+    bool comparison = comparisonMode != GL_NONE;
+
+    if (maxAnisotropy > 1.0f)
+    {
+        return D3D11_ENCODE_ANISOTROPIC_FILTER(static_cast<D3D11_COMPARISON_FUNC>(comparison));
+    }
+    else
+    {
+        D3D11_FILTER_TYPE dxMin = D3D11_FILTER_TYPE_POINT;
+        D3D11_FILTER_TYPE dxMip = D3D11_FILTER_TYPE_POINT;
+        switch (minFilter)
+        {
+            case GL_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_NEAREST_MIPMAP_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR_MIPMAP_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_NEAREST_MIPMAP_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            case GL_LINEAR_MIPMAP_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        D3D11_FILTER_TYPE dxMag = D3D11_FILTER_TYPE_POINT;
+        switch (magFilter)
+        {
+            case GL_NEAREST:
+                dxMag = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR:
+                dxMag = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        return D3D11_ENCODE_BASIC_FILTER(dxMin, dxMag, dxMip,
+                                         static_cast<D3D11_COMPARISON_FUNC>(comparison));
+    }
+}
+
+D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap)
+{
+    switch (wrap)
+    {
+        case GL_REPEAT:
+            return D3D11_TEXTURE_ADDRESS_WRAP;
+        case GL_CLAMP_TO_EDGE:
+            return D3D11_TEXTURE_ADDRESS_CLAMP;
+        case GL_MIRRORED_REPEAT:
+            return D3D11_TEXTURE_ADDRESS_MIRROR;
+        default:
+            UNREACHABLE();
+    }
+
+    return D3D11_TEXTURE_ADDRESS_WRAP;
+}
+
+UINT ConvertMaxAnisotropy(float maxAnisotropy, D3D_FEATURE_LEVEL featureLevel)
+{
+    return static_cast<UINT>(std::min(maxAnisotropy, d3d11_gl::GetMaximumAnisotropy(featureLevel)));
+}
+
+D3D11_QUERY ConvertQueryType(GLenum queryType)
+{
+    switch (queryType)
+    {
+        case GL_ANY_SAMPLES_PASSED_EXT:
+        case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+            return D3D11_QUERY_OCCLUSION;
+        case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+            return D3D11_QUERY_SO_STATISTICS;
+        case GL_TIME_ELAPSED_EXT:
+            // Two internal queries are also created for begin/end timestamps
+            return D3D11_QUERY_TIMESTAMP_DISJOINT;
+        case GL_COMMANDS_COMPLETED_CHROMIUM:
+            return D3D11_QUERY_EVENT;
+        default:
+            UNREACHABLE();
+            return D3D11_QUERY_EVENT;
+    }
+}
+
+}  // namespace gl_d3d11
+
+namespace d3d11
+{
+
+ANGLED3D11DeviceType GetDeviceType(ID3D11Device *device)
+{
+    // Note that this function returns an ANGLED3D11DeviceType rather than a D3D_DRIVER_TYPE value,
+    // since it is difficult to tell Software and Reference devices apart
+
+    IDXGIDevice *dxgiDevice     = nullptr;
+    IDXGIAdapter *dxgiAdapter   = nullptr;
+    IDXGIAdapter2 *dxgiAdapter2 = nullptr;
+
+    ANGLED3D11DeviceType retDeviceType = ANGLE_D3D11_DEVICE_TYPE_UNKNOWN;
+
+    HRESULT hr = device->QueryInterface(__uuidof(IDXGIDevice), (void **)&dxgiDevice);
+    if (SUCCEEDED(hr))
+    {
+        hr = dxgiDevice->GetParent(__uuidof(IDXGIAdapter), (void **)&dxgiAdapter);
+        if (SUCCEEDED(hr))
+        {
+            std::wstring adapterString;
+            HRESULT adapter2hr =
+                dxgiAdapter->QueryInterface(__uuidof(dxgiAdapter2), (void **)&dxgiAdapter2);
+            if (SUCCEEDED(adapter2hr))
+            {
+                // On D3D_FEATURE_LEVEL_9_*, IDXGIAdapter::GetDesc returns "Software Adapter"
+                // for the description string. Try to use IDXGIAdapter2::GetDesc2 to get the
+                // actual hardware values if possible.
+                DXGI_ADAPTER_DESC2 adapterDesc2;
+                dxgiAdapter2->GetDesc2(&adapterDesc2);
+                adapterString = std::wstring(adapterDesc2.Description);
+            }
+            else
+            {
+                DXGI_ADAPTER_DESC adapterDesc;
+                dxgiAdapter->GetDesc(&adapterDesc);
+                adapterString = std::wstring(adapterDesc.Description);
+            }
+
+            // Both Reference and Software adapters will be 'Software Adapter'
+            const bool isSoftwareDevice =
+                (adapterString.find(std::wstring(L"Software Adapter")) != std::string::npos);
+            const bool isNullDevice = (adapterString == L"");
+            const bool isWARPDevice =
+                (adapterString.find(std::wstring(L"Basic Render")) != std::string::npos);
+
+            if (isSoftwareDevice || isNullDevice)
+            {
+                ASSERT(!isWARPDevice);
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL;
+            }
+            else if (isWARPDevice)
+            {
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_WARP;
+            }
+            else
+            {
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_HARDWARE;
+            }
+        }
+    }
+
+    SafeRelease(dxgiDevice);
+    SafeRelease(dxgiAdapter);
+    SafeRelease(dxgiAdapter2);
+
+    return retDeviceType;
+}
+
+void MakeValidSize(bool isImage, DXGI_FORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset)
+{
+    const DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(format);
+
+    int upsampleCount = 0;
+    // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
+    if (isImage || *requestWidth  < static_cast<GLsizei>(dxgiFormatInfo.blockWidth) ||
+                   *requestHeight < static_cast<GLsizei>(dxgiFormatInfo.blockHeight))
+    {
+        while (*requestWidth % dxgiFormatInfo.blockWidth != 0 || *requestHeight % dxgiFormatInfo.blockHeight != 0)
+        {
+            *requestWidth <<= 1;
+            *requestHeight <<= 1;
+            upsampleCount++;
+        }
+    }
+    *levelOffset = upsampleCount;
+}
+
+void GenerateInitialTextureData(GLint internalFormat,
+                                const Renderer11DeviceCaps &renderer11DeviceCaps,
+                                GLuint width,
+                                GLuint height,
+                                GLuint depth,
+                                GLuint mipLevels,
+                                std::vector<D3D11_SUBRESOURCE_DATA> *outSubresourceData,
+                                std::vector<std::vector<BYTE>> *outData)
+{
+    const d3d11::Format &d3dFormatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+    ASSERT(d3dFormatInfo.dataInitializerFunction != NULL);
+
+    const d3d11::DXGIFormatSize &dxgiFormatInfo =
+        d3d11::GetDXGIFormatSizeInfo(d3dFormatInfo.texFormat);
+
+    outSubresourceData->resize(mipLevels);
+    outData->resize(mipLevels);
+
+    for (unsigned int i = 0; i < mipLevels; i++)
+    {
+        unsigned int mipWidth = std::max(width >> i, 1U);
+        unsigned int mipHeight = std::max(height >> i, 1U);
+        unsigned int mipDepth = std::max(depth >> i, 1U);
+
+        unsigned int rowWidth = dxgiFormatInfo.pixelBytes * mipWidth;
+        unsigned int imageSize = rowWidth * height;
+
+        outData->at(i).resize(rowWidth * mipHeight * mipDepth);
+        d3dFormatInfo.dataInitializerFunction(mipWidth, mipHeight, mipDepth, outData->at(i).data(), rowWidth, imageSize);
+
+        outSubresourceData->at(i).pSysMem = outData->at(i).data();
+        outSubresourceData->at(i).SysMemPitch = rowWidth;
+        outSubresourceData->at(i).SysMemSlicePitch = imageSize;
+    }
+}
+
+UINT GetPrimitiveRestartIndex()
+{
+    return std::numeric_limits<UINT>::max();
+}
+
+void SetPositionTexCoordVertex(PositionTexCoordVertex* vertex, float x, float y, float u, float v)
+{
+    vertex->x = x;
+    vertex->y = y;
+    vertex->u = u;
+    vertex->v = v;
+}
+
+void SetPositionLayerTexCoord3DVertex(PositionLayerTexCoord3DVertex* vertex, float x, float y,
+                                      unsigned int layer, float u, float v, float s)
+{
+    vertex->x = x;
+    vertex->y = y;
+    vertex->l = layer;
+    vertex->u = u;
+    vertex->v = v;
+    vertex->s = s;
+}
+
+HRESULT SetDebugName(ID3D11DeviceChild *resource, const char *name)
+{
+#if defined(_DEBUG)
+    UINT existingDataSize = 0;
+    resource->GetPrivateData(WKPDID_D3DDebugObjectName, &existingDataSize, nullptr);
+    // Don't check the HRESULT- if it failed then that probably just means that no private data
+    // exists yet
+
+    if (existingDataSize > 0)
+    {
+        // In some cases, ANGLE will try to apply two names to one object, which causes
+        // a D3D SDK Layers warning. This can occur if, for example, you 'create' two objects
+        // (e.g.Rasterizer States) with identical DESCs on the same device. D3D11 will optimize
+        // these calls and return the same object both times.
+        static const char *multipleNamesUsed = "Multiple names set by ANGLE";
+
+        // Remove the existing name
+        HRESULT hr = resource->SetPrivateData(WKPDID_D3DDebugObjectName, 0, nullptr);
+        if (FAILED(hr))
+        {
+            return hr;
+        }
+
+        // Apply the new name
+        return resource->SetPrivateData(WKPDID_D3DDebugObjectName,
+                                        static_cast<unsigned int>(strlen(multipleNamesUsed)),
+                                        multipleNamesUsed);
+    }
+    else
+    {
+        return resource->SetPrivateData(WKPDID_D3DDebugObjectName,
+                                        static_cast<unsigned int>(strlen(name)), name);
+    }
+#else
+    return S_OK;
+#endif
+}
+
+LazyInputLayout::LazyInputLayout(const D3D11_INPUT_ELEMENT_DESC *inputDesc,
+                                 size_t inputDescLen,
+                                 const BYTE *byteCode,
+                                 size_t byteCodeLen,
+                                 const char *debugName)
+    : mInputDesc(inputDescLen),
+      mByteCodeLen(byteCodeLen),
+      mByteCode(byteCode),
+      mDebugName(debugName)
+{
+    memcpy(&mInputDesc[0], inputDesc, sizeof(D3D11_INPUT_ELEMENT_DESC) * inputDescLen);
+}
+
+ID3D11InputLayout *LazyInputLayout::resolve(ID3D11Device *device)
+{
+    checkAssociatedDevice(device);
+
+    if (mResource == nullptr)
+    {
+        HRESULT result =
+            device->CreateInputLayout(&mInputDesc[0], static_cast<UINT>(mInputDesc.size()),
+                                      mByteCode, mByteCodeLen, &mResource);
+        ASSERT(SUCCEEDED(result));
+        d3d11::SetDebugName(mResource, mDebugName);
+    }
+
+    return mResource;
+}
+
+LazyBlendState::LazyBlendState(const D3D11_BLEND_DESC &desc, const char *debugName)
+    : mDesc(desc), mDebugName(debugName)
+{
+}
+
+ID3D11BlendState *LazyBlendState::resolve(ID3D11Device *device)
+{
+    checkAssociatedDevice(device);
+
+    if (mResource == nullptr)
+    {
+        HRESULT result = device->CreateBlendState(&mDesc, &mResource);
+        ASSERT(SUCCEEDED(result));
+        d3d11::SetDebugName(mResource, mDebugName);
+    }
+
+    return mResource;
+}
+
+WorkaroundsD3D GenerateWorkarounds(const Renderer11DeviceCaps &deviceCaps,
+                                   const DXGI_ADAPTER_DESC &adapterDesc)
+{
+    bool is9_3 = (deviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    WorkaroundsD3D workarounds;
+    workarounds.mrtPerfWorkaround = true;
+    workarounds.setDataFasterThanImageUpload = true;
+    workarounds.zeroMaxLodWorkaround             = is9_3;
+    workarounds.useInstancedPointSpriteEmulation = is9_3;
+
+    // TODO(jmadill): Narrow problematic driver range.
+    if (IsNvidia(adapterDesc.VendorId))
+    {
+        if (deviceCaps.driverVersion.valid())
+        {
+            WORD part1 = HIWORD(deviceCaps.driverVersion.value().LowPart);
+            WORD part2 = LOWORD(deviceCaps.driverVersion.value().LowPart);
+
+            // Disable the workaround to fix a second driver bug on newer NVIDIA.
+            workarounds.depthStencilBlitExtraCopy = (part1 <= 13u && part2 < 6881);
+        }
+        else
+        {
+            workarounds.depthStencilBlitExtraCopy = true;
+        }
+    }
+
+    // TODO(jmadill): Disable workaround when we have a fixed compiler DLL.
+    workarounds.expandIntegerPowExpressions = true;
+
+    workarounds.flushAfterEndingTransformFeedback = IsNvidia(adapterDesc.VendorId);
+    workarounds.getDimensionsIgnoresBaseLevel     = IsNvidia(adapterDesc.VendorId);
+
+    workarounds.preAddTexelFetchOffsets = IsIntel(adapterDesc.VendorId);
+    workarounds.disableB5G6R5Support    = IsIntel(adapterDesc.VendorId);
+    workarounds.rewriteUnaryMinusOperator =
+        IsIntel(adapterDesc.VendorId) &&
+        (IsBroadwell(adapterDesc.DeviceId) || IsHaswell(adapterDesc.DeviceId));
+    workarounds.emulateIsnanFloat =
+        IsIntel(adapterDesc.VendorId) && IsSkylake(adapterDesc.DeviceId);
+    workarounds.callClearTwice =
+        IsIntel(adapterDesc.VendorId) && IsSkylake(adapterDesc.DeviceId);
+
+    // TODO(jmadill): Disable when we have a fixed driver version.
+    workarounds.emulateTinyStencilTextures = IsAMD(adapterDesc.VendorId);
+
+    // The tiny stencil texture workaround involves using CopySubresource or UpdateSubresource on a
+    // depth stencil texture.  This is not allowed until feature level 10.1 but since it is not
+    // possible to support ES3 on these devices, there is no need for the workaround to begin with
+    // (anglebug.com/1572).
+    if (deviceCaps.featureLevel < D3D_FEATURE_LEVEL_10_1)
+    {
+        workarounds.emulateTinyStencilTextures = false;
+    }
+
+    workarounds.useSystemMemoryForConstantBuffers = IsIntel(adapterDesc.VendorId);
+
+    return workarounds;
+}
+
+void InitConstantBufferDesc(D3D11_BUFFER_DESC *constantBufferDescription, size_t byteWidth)
+{
+    constantBufferDescription->ByteWidth           = static_cast<UINT>(byteWidth);
+    constantBufferDescription->Usage               = D3D11_USAGE_DYNAMIC;
+    constantBufferDescription->BindFlags           = D3D11_BIND_CONSTANT_BUFFER;
+    constantBufferDescription->CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    constantBufferDescription->MiscFlags           = 0;
+    constantBufferDescription->StructureByteStride = 0;
+}
+
+}  // namespace d3d11
+
+TextureHelper11::TextureHelper11()
+    : mTextureType(GL_NONE),
+      mFormat(DXGI_FORMAT_UNKNOWN),
+      mFormatSet(nullptr),
+      mSampleCount(0),
+      mTexture2D(nullptr),
+      mTexture3D(nullptr)
+{
+}
+
+TextureHelper11::TextureHelper11(TextureHelper11 &&toCopy)
+    : mTextureType(toCopy.mTextureType),
+      mExtents(toCopy.mExtents),
+      mFormat(toCopy.mFormat),
+      mFormatSet(toCopy.mFormatSet),
+      mSampleCount(toCopy.mSampleCount),
+      mTexture2D(toCopy.mTexture2D),
+      mTexture3D(toCopy.mTexture3D)
+{
+    toCopy.reset();
+}
+
+// static
+TextureHelper11 TextureHelper11::MakeAndReference(ID3D11Resource *genericResource,
+                                                  const d3d11::Format &formatSet)
+{
+    TextureHelper11 newHelper;
+    newHelper.mFormatSet   = &formatSet;
+    newHelper.mTexture2D   = d3d11::DynamicCastComObject<ID3D11Texture2D>(genericResource);
+    newHelper.mTexture3D   = d3d11::DynamicCastComObject<ID3D11Texture3D>(genericResource);
+    newHelper.mTextureType = newHelper.mTexture2D ? GL_TEXTURE_2D : GL_TEXTURE_3D;
+    newHelper.initDesc();
+    return newHelper;
+}
+
+// static
+TextureHelper11 TextureHelper11::MakeAndPossess2D(ID3D11Texture2D *texToOwn,
+                                                  const d3d11::Format &formatSet)
+{
+    TextureHelper11 newHelper;
+    newHelper.mFormatSet   = &formatSet;
+    newHelper.mTexture2D   = texToOwn;
+    newHelper.mTextureType = GL_TEXTURE_2D;
+    newHelper.initDesc();
+    return newHelper;
+}
+
+// static
+TextureHelper11 TextureHelper11::MakeAndPossess3D(ID3D11Texture3D *texToOwn,
+                                                  const d3d11::Format &formatSet)
+{
+    TextureHelper11 newHelper;
+    newHelper.mFormatSet   = &formatSet;
+    newHelper.mTexture3D   = texToOwn;
+    newHelper.mTextureType = GL_TEXTURE_3D;
+    newHelper.initDesc();
+    return newHelper;
+}
+
+void TextureHelper11::initDesc()
+{
+    if (mTextureType == GL_TEXTURE_2D)
+    {
+        ASSERT(!mTexture3D);
+        D3D11_TEXTURE2D_DESC desc2D;
+        mTexture2D->GetDesc(&desc2D);
+
+        mExtents.width  = static_cast<int>(desc2D.Width);
+        mExtents.height = static_cast<int>(desc2D.Height);
+        mExtents.depth  = 1;
+        mFormat         = desc2D.Format;
+        mSampleCount    = desc2D.SampleDesc.Count;
+    }
+    else
+    {
+        ASSERT(mTexture3D && mTextureType == GL_TEXTURE_3D);
+        D3D11_TEXTURE3D_DESC desc3D;
+        mTexture3D->GetDesc(&desc3D);
+
+        mExtents.width  = static_cast<int>(desc3D.Width);
+        mExtents.height = static_cast<int>(desc3D.Height);
+        mExtents.depth  = static_cast<int>(desc3D.Depth);
+        mFormat         = desc3D.Format;
+        mSampleCount    = 1;
+    }
+    ASSERT(mFormatSet && mFormat == mFormatSet->texFormat);
+}
+
+TextureHelper11::~TextureHelper11()
+{
+    SafeRelease(mTexture2D);
+    SafeRelease(mTexture3D);
+}
+
+ID3D11Resource *TextureHelper11::getResource() const
+{
+    return mTexture2D ? static_cast<ID3D11Resource *>(mTexture2D)
+                      : static_cast<ID3D11Resource *>(mTexture3D);
+}
+
+TextureHelper11 &TextureHelper11::operator=(TextureHelper11 &&texture)
+{
+    SafeRelease(mTexture2D);
+    SafeRelease(mTexture3D);
+
+    mTextureType = texture.mTextureType;
+    mExtents     = texture.mExtents;
+    mFormat      = texture.mFormat;
+    mFormatSet   = texture.mFormatSet;
+    mSampleCount = texture.mSampleCount;
+    mTexture2D   = texture.mTexture2D;
+    mTexture3D   = texture.mTexture3D;
+    texture.reset();
+    return *this;
+}
+
+void TextureHelper11::reset()
+{
+    mTextureType = GL_NONE;
+    mExtents     = gl::Extents();
+    mFormat      = DXGI_FORMAT_UNKNOWN;
+    mFormatSet   = nullptr;
+    mSampleCount = 0;
+    mTexture2D   = nullptr;
+    mTexture3D   = nullptr;
+}
+
+bool TextureHelper11::valid() const
+{
+    return (mTextureType != GL_NONE);
+}
+
+gl::ErrorOrResult<TextureHelper11> CreateStagingTexture(GLenum textureType,
+                                                        const d3d11::Format &formatSet,
+                                                        const gl::Extents &size,
+                                                        StagingAccess readAndWriteAccess,
+                                                        ID3D11Device *device)
+{
+    if (textureType == GL_TEXTURE_2D)
+    {
+        D3D11_TEXTURE2D_DESC stagingDesc;
+        stagingDesc.Width              = size.width;
+        stagingDesc.Height             = size.height;
+        stagingDesc.MipLevels          = 1;
+        stagingDesc.ArraySize          = 1;
+        stagingDesc.Format             = formatSet.texFormat;
+        stagingDesc.SampleDesc.Count   = 1;
+        stagingDesc.SampleDesc.Quality = 0;
+        stagingDesc.Usage              = D3D11_USAGE_STAGING;
+        stagingDesc.BindFlags          = 0;
+        stagingDesc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ;
+        stagingDesc.MiscFlags          = 0;
+
+        if (readAndWriteAccess == StagingAccess::READ_WRITE)
+        {
+            stagingDesc.CPUAccessFlags |= D3D11_CPU_ACCESS_WRITE;
+        }
+
+        ID3D11Texture2D *stagingTex = nullptr;
+        HRESULT result = device->CreateTexture2D(&stagingDesc, nullptr, &stagingTex);
+        if (FAILED(result))
+        {
+            return gl::Error(GL_OUT_OF_MEMORY, "CreateStagingTextureFor failed, HRESULT: 0x%X.",
+                             result);
+        }
+
+        return TextureHelper11::MakeAndPossess2D(stagingTex, formatSet);
+    }
+    ASSERT(textureType == GL_TEXTURE_3D);
+
+    D3D11_TEXTURE3D_DESC stagingDesc;
+    stagingDesc.Width          = size.width;
+    stagingDesc.Height         = size.height;
+    stagingDesc.Depth          = 1;
+    stagingDesc.MipLevels      = 1;
+    stagingDesc.Format         = formatSet.texFormat;
+    stagingDesc.Usage          = D3D11_USAGE_STAGING;
+    stagingDesc.BindFlags      = 0;
+    stagingDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
+    stagingDesc.MiscFlags      = 0;
+
+    ID3D11Texture3D *stagingTex = nullptr;
+    HRESULT result = device->CreateTexture3D(&stagingDesc, nullptr, &stagingTex);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "CreateStagingTextureFor failed, HRESULT: 0x%X.",
+                         result);
+    }
+
+    return TextureHelper11::MakeAndPossess3D(stagingTex, formatSet);
+}
+
+bool UsePresentPathFast(const Renderer11 *renderer,
+                        const gl::FramebufferAttachment *framebufferAttachment)
+{
+    if (framebufferAttachment == nullptr)
+    {
+        return false;
+    }
+
+    return (framebufferAttachment->type() == GL_FRAMEBUFFER_DEFAULT &&
+            renderer->presentPathFastEnabled());
+}
+
+}  // namespace rx