1 files changed, 118 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h
new file mode 100644
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--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h
@@ -0,0 +1,118 @@
+//
+// Copyright 2015 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.
+//
+// texture_format_table:
+//   Queries for full textureFormat information based on internalFormat
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
+
+#include <map>
+
+#include "common/angleutils.h"
+#include "common/platform.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/renderer/d3d/formatutilsD3D.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+
+struct Renderer11DeviceCaps;
+
+namespace d3d11
+{
+
+// For sized GL internal formats, there are several possible corresponding D3D11 formats depending
+// on device capabilities.
+// This structure allows querying for the DXGI texture formats to use for textures, SRVs, RTVs and
+// DSVs given a GL internal format.
+struct Format final : private angle::NonCopyable
+{
+    inline constexpr Format();
+    inline constexpr Format(GLenum internalFormat,
+                            angle::FormatID formatID,
+                            DXGI_FORMAT texFormat,
+                            DXGI_FORMAT srvFormat,
+                            DXGI_FORMAT uavFormat,
+                            DXGI_FORMAT rtvFormat,
+                            DXGI_FORMAT dsvFormat,
+                            DXGI_FORMAT blitSRVFormat,
+                            DXGI_FORMAT stencilSRVFormat,
+                            DXGI_FORMAT typelessFormat,
+                            GLenum swizzleFormat,
+                            InitializeTextureDataFunction internalFormatInitializer);
+
+    static const Format &Get(GLenum internalFormat, const Renderer11DeviceCaps &deviceCaps);
+
+    const Format &getSwizzleFormat(const Renderer11DeviceCaps &deviceCaps) const;
+    LoadFunctionMap getLoadFunctions() const;
+    const angle::Format &format() const;
+
+    GLenum internalFormat;
+    angle::FormatID formatID;
+
+    DXGI_FORMAT texFormat;
+    DXGI_FORMAT srvFormat;
+    DXGI_FORMAT uavFormat;
+    DXGI_FORMAT rtvFormat;
+    DXGI_FORMAT dsvFormat;
+
+    DXGI_FORMAT blitSRVFormat;
+    DXGI_FORMAT stencilSRVFormat;
+    DXGI_FORMAT typelessFormat;
+
+    GLenum swizzleFormat;
+
+    InitializeTextureDataFunction dataInitializerFunction;
+};
+
+constexpr Format::Format()
+    : internalFormat(GL_NONE),
+      formatID(angle::FormatID::NONE),
+      texFormat(DXGI_FORMAT_UNKNOWN),
+      srvFormat(DXGI_FORMAT_UNKNOWN),
+      uavFormat(DXGI_FORMAT_UNKNOWN),
+      rtvFormat(DXGI_FORMAT_UNKNOWN),
+      dsvFormat(DXGI_FORMAT_UNKNOWN),
+      blitSRVFormat(DXGI_FORMAT_UNKNOWN),
+      stencilSRVFormat(DXGI_FORMAT_UNKNOWN),
+      typelessFormat(DXGI_FORMAT_UNKNOWN),
+      swizzleFormat(GL_NONE),
+      dataInitializerFunction(nullptr)
+{}
+
+constexpr Format::Format(GLenum internalFormat,
+                         angle::FormatID formatID,
+                         DXGI_FORMAT texFormat,
+                         DXGI_FORMAT srvFormat,
+                         DXGI_FORMAT uavFormat,
+                         DXGI_FORMAT rtvFormat,
+                         DXGI_FORMAT dsvFormat,
+                         DXGI_FORMAT blitSRVFormat,
+                         DXGI_FORMAT stencilSRVFormat,
+                         DXGI_FORMAT typelessFormat,
+                         GLenum swizzleFormat,
+                         InitializeTextureDataFunction internalFormatInitializer)
+    : internalFormat(internalFormat),
+      formatID(formatID),
+      texFormat(texFormat),
+      srvFormat(srvFormat),
+      uavFormat(uavFormat),
+      rtvFormat(rtvFormat),
+      dsvFormat(dsvFormat),
+      blitSRVFormat(blitSRVFormat),
+      stencilSRVFormat(stencilSRVFormat),
+      typelessFormat(typelessFormat),
+      swizzleFormat(swizzleFormat),
+      dataInitializerFunction(internalFormatInitializer)
+{}
+
+}  // namespace d3d11
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_