1 files changed, 478 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h
new file mode 100644
index 0000000000..a8cd430bc6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h
@@ -0,0 +1,478 @@
+//
+// Copyright 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.
+//
+
+// renderer11_utils.h: Conversion functions and other utility routines
+// specific to the D3D11 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_
+
+#include <array>
+#include <functional>
+#include <vector>
+
+#include "common/Color.h"
+
+#include "libANGLE/Caps.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+}
+
+namespace rx
+{
+class Context11;
+class Renderer11;
+class RenderTarget11;
+struct Renderer11DeviceCaps;
+
+using RTVArray = std::array<ID3D11RenderTargetView *, gl::IMPLEMENTATION_MAX_DRAW_BUFFERS>;
+
+namespace gl_d3d11
+{
+
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha);
+D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp);
+UINT8 ConvertColorMask(bool maskRed, bool maskGreen, bool maskBlue, bool maskAlpha);
+
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, gl::CullFaceMode cullMode);
+
+D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison);
+D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled);
+UINT8 ConvertStencilMask(GLuint stencilmask);
+D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp);
+
+D3D11_FILTER ConvertFilter(GLenum minFilter,
+                           GLenum magFilter,
+                           float maxAnisotropy,
+                           GLenum comparisonMode);
+D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap);
+UINT ConvertMaxAnisotropy(float maxAnisotropy, D3D_FEATURE_LEVEL featureLevel);
+
+D3D11_QUERY ConvertQueryType(gl::QueryType type);
+
+UINT8 GetColorMask(const gl::InternalFormat &formatInfo);
+
+}  // namespace gl_d3d11
+
+namespace d3d11_gl
+{
+
+unsigned int GetReservedVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel);
+
+unsigned int GetReservedFragmentUniformVectors(D3D_FEATURE_LEVEL featureLevel);
+
+gl::Version GetMaximumClientVersion(const Renderer11DeviceCaps &caps);
+void GenerateCaps(ID3D11Device *device,
+                  ID3D11DeviceContext *deviceContext,
+                  const Renderer11DeviceCaps &renderer11DeviceCaps,
+                  const angle::FeaturesD3D &features,
+                  const char *description,
+                  gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap,
+                  gl::Extensions *extensions,
+                  gl::Limitations *limitations);
+
+D3D_FEATURE_LEVEL GetMinimumFeatureLevelForES31();
+
+}  // namespace d3d11_gl
+
+namespace d3d11
+{
+
+enum ANGLED3D11DeviceType
+{
+    ANGLE_D3D11_DEVICE_TYPE_UNKNOWN,
+    ANGLE_D3D11_DEVICE_TYPE_HARDWARE,
+    ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL,
+    ANGLE_D3D11_DEVICE_TYPE_WARP,
+};
+
+ANGLED3D11DeviceType GetDeviceType(ID3D11Device *device);
+
+void MakeValidSize(bool isImage,
+                   DXGI_FORMAT format,
+                   GLsizei *requestWidth,
+                   GLsizei *requestHeight,
+                   int *levelOffset);
+
+angle::Result GenerateInitialTextureData(
+    const gl::Context *context,
+    GLint internalFormat,
+    const Renderer11DeviceCaps &renderer11DeviceCaps,
+    GLuint width,
+    GLuint height,
+    GLuint depth,
+    GLuint mipLevels,
+    gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> *outSubresourceData);
+
+UINT GetPrimitiveRestartIndex();
+
+struct PositionTexCoordVertex
+{
+    float x, y;
+    float u, v;
+};
+void SetPositionTexCoordVertex(PositionTexCoordVertex *vertex, float x, float y, float u, float v);
+
+struct PositionLayerTexCoord3DVertex
+{
+    float x, y;
+    unsigned int l;
+    float u, v, s;
+};
+void SetPositionLayerTexCoord3DVertex(PositionLayerTexCoord3DVertex *vertex,
+                                      float x,
+                                      float y,
+                                      unsigned int layer,
+                                      float u,
+                                      float v,
+                                      float s);
+
+struct PositionVertex
+{
+    float x, y, z, w;
+};
+
+struct BlendStateKey final
+{
+    // This will zero-initialize the struct, including padding.
+    BlendStateKey();
+    BlendStateKey(const BlendStateKey &other);
+
+    gl::BlendStateExt blendStateExt;
+
+    // Use two 16-bit ints to round the struct nicely.
+    uint16_t rtvMax;
+    uint16_t sampleAlphaToCoverage;
+};
+
+bool operator==(const BlendStateKey &a, const BlendStateKey &b);
+bool operator!=(const BlendStateKey &a, const BlendStateKey &b);
+
+struct RasterizerStateKey final
+{
+    // This will zero-initialize the struct, including padding.
+    RasterizerStateKey();
+
+    gl::RasterizerState rasterizerState;
+
+    // Use a 32-bit int to round the struct nicely.
+    uint32_t scissorEnabled;
+};
+
+bool operator==(const RasterizerStateKey &a, const RasterizerStateKey &b);
+bool operator!=(const RasterizerStateKey &a, const RasterizerStateKey &b);
+
+template <typename outType>
+outType *DynamicCastComObject(IUnknown *object)
+{
+    outType *outObject = nullptr;
+    HRESULT result =
+        object->QueryInterface(__uuidof(outType), reinterpret_cast<void **>(&outObject));
+    if (SUCCEEDED(result))
+    {
+        return outObject;
+    }
+    else
+    {
+        SafeRelease(outObject);
+        return nullptr;
+    }
+}
+
+template <typename outType>
+angle::ComPtr<outType> DynamicCastComObjectToComPtr(IUnknown *object)
+{
+    angle::ComPtr<outType> outObject;
+    const HRESULT hr = object->QueryInterface(IID_PPV_ARGS(&outObject));
+    if (SUCCEEDED(hr))
+    {
+        return outObject;
+    }
+    else
+    {
+        return nullptr;
+    }
+}
+
+inline bool isDeviceLostError(HRESULT errorCode)
+{
+    switch (errorCode)
+    {
+        case DXGI_ERROR_DEVICE_HUNG:
+        case DXGI_ERROR_DEVICE_REMOVED:
+        case DXGI_ERROR_DEVICE_RESET:
+        case DXGI_ERROR_DRIVER_INTERNAL_ERROR:
+        case DXGI_ERROR_NOT_CURRENTLY_AVAILABLE:
+            return true;
+        default:
+            return false;
+    }
+}
+
+template <ResourceType ResourceT>
+class LazyResource : angle::NonCopyable
+{
+  public:
+    constexpr LazyResource() : mResource() {}
+    virtual ~LazyResource() {}
+
+    virtual angle::Result resolve(d3d::Context *context, Renderer11 *renderer) = 0;
+    void reset() { mResource.reset(); }
+    GetD3D11Type<ResourceT> *get() const
+    {
+        ASSERT(mResource.valid());
+        return mResource.get();
+    }
+
+    const Resource11<GetD3D11Type<ResourceT>> &getObj() const { return mResource; }
+
+  protected:
+    LazyResource(LazyResource &&other) : mResource(std::move(other.mResource)) {}
+
+    // Specialized in the cpp file to avoid MSVS/Clang specific code.
+    angle::Result resolveImpl(d3d::Context *context,
+                              Renderer11 *renderer,
+                              const GetDescType<ResourceT> &desc,
+                              GetInitDataType<ResourceT> *initData,
+                              const char *name);
+
+    Resource11<GetD3D11Type<ResourceT>> mResource;
+};
+
+template <typename D3D11ShaderType>
+class LazyShader final : public LazyResource<GetResourceTypeFromD3D11<D3D11ShaderType>()>
+{
+  public:
+    // All parameters must be constexpr. Not supported in VS2013.
+    constexpr LazyShader(const BYTE *byteCode, size_t byteCodeSize, const char *name)
+        : mByteCode(byteCode, byteCodeSize), mName(name)
+    {}
+
+    constexpr LazyShader(LazyShader &&shader)
+        : LazyResource<GetResourceTypeFromD3D11<D3D11ShaderType>()>(std::move(shader)),
+          mByteCode(std::move(shader.mByteCode)),
+          mName(shader.mName)
+    {}
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override
+    {
+        return this->resolveImpl(context, renderer, mByteCode, nullptr, mName);
+    }
+
+  private:
+    ShaderData mByteCode;
+    const char *mName;
+};
+
+class LazyInputLayout final : public LazyResource<ResourceType::InputLayout>
+{
+  public:
+    LazyInputLayout(const D3D11_INPUT_ELEMENT_DESC *inputDesc,
+                    size_t inputDescLen,
+                    const BYTE *byteCode,
+                    size_t byteCodeLen,
+                    const char *debugName);
+    ~LazyInputLayout() override;
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override;
+
+  private:
+    InputElementArray mInputDesc;
+    ShaderData mByteCode;
+    const char *mDebugName;
+};
+
+class LazyBlendState final : public LazyResource<ResourceType::BlendState>
+{
+  public:
+    LazyBlendState(const D3D11_BLEND_DESC &desc, const char *debugName);
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override;
+
+  private:
+    D3D11_BLEND_DESC mDesc;
+    const char *mDebugName;
+};
+
+// Copy data to small D3D11 buffers, such as for small constant buffers, which use one struct to
+// represent an entire buffer.
+template <class T>
+void SetBufferData(ID3D11DeviceContext *context, ID3D11Buffer *constantBuffer, const T &value)
+{
+    D3D11_MAPPED_SUBRESOURCE mappedResource = {};
+    HRESULT result = context->Map(constantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    ASSERT(SUCCEEDED(result));
+    if (SUCCEEDED(result))
+    {
+        memcpy(mappedResource.pData, &value, sizeof(T));
+        context->Unmap(constantBuffer, 0);
+    }
+}
+
+void InitializeFeatures(const Renderer11DeviceCaps &deviceCaps,
+                        const DXGI_ADAPTER_DESC &adapterDesc,
+                        angle::FeaturesD3D *features);
+
+void InitializeFrontendFeatures(const DXGI_ADAPTER_DESC &adapterDesc,
+                                angle::FrontendFeatures *features);
+
+enum ReservedConstantBufferSlot
+{
+    RESERVED_CONSTANT_BUFFER_SLOT_DEFAULT_UNIFORM_BLOCK = 0,
+    RESERVED_CONSTANT_BUFFER_SLOT_DRIVER                = 1,
+
+    RESERVED_CONSTANT_BUFFER_SLOT_COUNT = 2
+};
+
+void InitConstantBufferDesc(D3D11_BUFFER_DESC *constantBufferDescription, size_t byteWidth);
+
+// Helper class for RAII patterning.
+template <typename T>
+class [[nodiscard]] ScopedUnmapper final : angle::NonCopyable
+{
+  public:
+    ScopedUnmapper(T *object) : mObject(object) {}
+    ~ScopedUnmapper() { mObject->unmap(); }
+
+  private:
+    T *mObject;
+};
+}  // namespace d3d11
+
+struct GenericData
+{
+    GenericData() {}
+    ~GenericData()
+    {
+        if (object)
+        {
+            // We can have a nullptr factory when holding passed-in resources.
+            if (manager)
+            {
+                manager->onReleaseGeneric(resourceType, object);
+                manager = nullptr;
+            }
+            object->Release();
+            object = nullptr;
+        }
+    }
+
+    ResourceType resourceType  = ResourceType::Last;
+    ID3D11Resource *object     = nullptr;
+    ResourceManager11 *manager = nullptr;
+};
+
+// A helper class which wraps a 2D or 3D texture.
+class TextureHelper11 : public Resource11Base<ID3D11Resource, std::shared_ptr, GenericData>
+{
+  public:
+    TextureHelper11();
+    TextureHelper11(TextureHelper11 &&other);
+    TextureHelper11(const TextureHelper11 &other);
+    ~TextureHelper11() override;
+    TextureHelper11 &operator=(TextureHelper11 &&other);
+    TextureHelper11 &operator=(const TextureHelper11 &other);
+
+    bool isBuffer() const { return mData->resourceType == ResourceType::Buffer; }
+    bool is2D() const { return mData->resourceType == ResourceType::Texture2D; }
+    bool is3D() const { return mData->resourceType == ResourceType::Texture3D; }
+    ResourceType getTextureType() const { return mData->resourceType; }
+    gl::Extents getExtents() const { return mExtents; }
+    DXGI_FORMAT getFormat() const { return mFormatSet->texFormat; }
+    const d3d11::Format &getFormatSet() const { return *mFormatSet; }
+    int getSampleCount() const { return mSampleCount; }
+
+    template <typename DescT, typename ResourceT>
+    void init(Resource11<ResourceT> &&texture, const DescT &desc, const d3d11::Format &format)
+    {
+        std::swap(mData->manager, texture.mData->manager);
+
+        // Can't use std::swap because texture is typed, and here we use ID3D11Resource.
+        ID3D11Resource *temp  = mData->object;
+        mData->object         = texture.mData->object;
+        texture.mData->object = static_cast<ResourceT *>(temp);
+
+        mFormatSet = &format;
+        initDesc(desc);
+    }
+
+    template <typename ResourceT>
+    void set(ResourceT *object, const d3d11::Format &format)
+    {
+        ASSERT(!valid());
+
+        mFormatSet     = &format;
+        mData->object  = object;
+        mData->manager = nullptr;
+
+        GetDescFromD3D11<ResourceT> desc;
+        getDesc(&desc);
+        initDesc(desc);
+    }
+
+    bool operator==(const TextureHelper11 &other) const;
+    bool operator!=(const TextureHelper11 &other) const;
+
+    void getDesc(D3D11_TEXTURE2D_DESC *desc) const;
+    void getDesc(D3D11_TEXTURE3D_DESC *desc) const;
+    void getDesc(D3D11_BUFFER_DESC *desc) const;
+
+  private:
+    void initDesc(const D3D11_TEXTURE2D_DESC &desc2D);
+    void initDesc(const D3D11_TEXTURE3D_DESC &desc3D);
+    void initDesc(const D3D11_BUFFER_DESC &descBuffer);
+
+    const d3d11::Format *mFormatSet;
+    gl::Extents mExtents;
+    int mSampleCount;
+};
+
+enum class StagingAccess
+{
+    READ,
+    READ_WRITE,
+};
+
+bool UsePresentPathFast(const Renderer11 *renderer, const gl::FramebufferAttachment *colorbuffer);
+bool UsePrimitiveRestartWorkaround(bool primitiveRestartFixedIndexEnabled,
+                                   gl::DrawElementsType type);
+
+enum class IndexStorageType
+{
+    // Dynamic indexes are re-streamed every frame. They come from a client data pointer or
+    // from buffers that are updated frequently.
+    Dynamic,
+
+    // Static indexes are translated from the original storage once, and re-used multiple times.
+    Static,
+
+    // Direct indexes are never transated and are used directly from the source buffer. They are
+    // the fastest available path.
+    Direct,
+
+    // Not a real storage type.
+    Invalid,
+};
+
+IndexStorageType ClassifyIndexStorage(const gl::State &glState,
+                                      const gl::Buffer *elementArrayBuffer,
+                                      gl::DrawElementsType elementType,
+                                      gl::DrawElementsType destElementType,
+                                      unsigned int offset);
+
+bool SwizzleRequired(const gl::TextureState &textureState);
+gl::SwizzleState GetEffectiveSwizzle(const gl::TextureState &textureState);
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_