1 files changed, 126 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h
new file mode 100644
index 0000000000..d1c5622a27
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h
@@ -0,0 +1,126 @@
+//
+// Copyright 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.
+//
+
+// ShaderD3D.h: Defines the rx::ShaderD3D class which implements rx::ShaderImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_SHADERD3D_H_
+#define LIBANGLE_RENDERER_D3D_SHADERD3D_H_
+
+#include "libANGLE/renderer/ShaderImpl.h"
+
+#include <map>
+
+namespace angle
+{
+struct FeaturesD3D;
+}  // namespace angle
+
+namespace gl
+{
+struct Extensions;
+}
+
+namespace rx
+{
+class DynamicHLSL;
+class RendererD3D;
+struct D3DUniform;
+
+// Workarounds attached to each shader. Do not need to expose information about these workarounds so
+// a simple bool struct suffices.
+struct CompilerWorkaroundsD3D
+{
+    bool skipOptimization = false;
+
+    bool useMaxOptimization = false;
+
+    // IEEE strictness needs to be enabled for NANs to work.
+    bool enableIEEEStrictness = false;
+};
+
+class ShaderD3D : public ShaderImpl
+{
+  public:
+    ShaderD3D(const gl::ShaderState &state, RendererD3D *renderer);
+    ~ShaderD3D() override;
+
+    std::shared_ptr<WaitableCompileEvent> compile(const gl::Context *context,
+                                                  gl::ShCompilerInstance *compilerInstance,
+                                                  ShCompileOptions *options) override;
+
+    std::string getDebugInfo() const override;
+
+    // D3D-specific methods
+    void uncompile();
+
+    bool hasUniform(const std::string &name) const;
+
+    // Query regular uniforms with their name. Query sampler fields of structs with field selection
+    // using dot (.) operator.
+    unsigned int getUniformRegister(const std::string &uniformName) const;
+
+    unsigned int getUniformBlockRegister(const std::string &blockName) const;
+    bool shouldUniformBlockUseStructuredBuffer(const std::string &blockName) const;
+    unsigned int getShaderStorageBlockRegister(const std::string &blockName) const;
+    unsigned int getReadonlyImage2DRegisterIndex() const { return mReadonlyImage2DRegisterIndex; }
+    unsigned int getImage2DRegisterIndex() const { return mImage2DRegisterIndex; }
+    bool useImage2DFunction(const std::string &functionName) const;
+    const std::set<std::string> &getSlowCompilingUniformBlockSet() const;
+    void appendDebugInfo(const std::string &info) const { mDebugInfo += info; }
+
+    void generateWorkarounds(CompilerWorkaroundsD3D *workarounds) const;
+
+    bool usesMultipleRenderTargets() const { return mUsesMultipleRenderTargets; }
+    bool usesFragColor() const { return mUsesFragColor; }
+    bool usesFragData() const { return mUsesFragData; }
+    bool usesSecondaryColor() const { return mUsesSecondaryColor; }
+    bool usesFragCoord() const { return mUsesFragCoord; }
+    bool usesFrontFacing() const { return mUsesFrontFacing; }
+    bool usesHelperInvocation() const { return mUsesHelperInvocation; }
+    bool usesPointSize() const { return mUsesPointSize; }
+    bool usesPointCoord() const { return mUsesPointCoord; }
+    bool usesDepthRange() const { return mUsesDepthRange; }
+    bool usesFragDepth() const { return mUsesFragDepth; }
+    bool usesVertexID() const { return mUsesVertexID; }
+    bool usesViewID() const { return mUsesViewID; }
+    bool hasANGLEMultiviewEnabled() const { return mHasANGLEMultiviewEnabled; }
+
+    ShShaderOutput getCompilerOutputType() const;
+
+  private:
+    bool mUsesMultipleRenderTargets;
+    bool mUsesFragColor;
+    bool mUsesFragData;
+    bool mUsesSecondaryColor;
+    bool mUsesFragCoord;
+    bool mUsesFrontFacing;
+    bool mUsesHelperInvocation;
+    bool mUsesPointSize;
+    bool mUsesPointCoord;
+    bool mUsesDepthRange;
+    bool mUsesFragDepth;
+    bool mHasANGLEMultiviewEnabled;
+    bool mUsesVertexID;
+    bool mUsesViewID;
+    bool mUsesDiscardRewriting;
+    bool mUsesNestedBreak;
+    bool mRequiresIEEEStrictCompiling;
+
+    RendererD3D *mRenderer;
+    ShShaderOutput mCompilerOutputType;
+    mutable std::string mDebugInfo;
+    std::map<std::string, unsigned int> mUniformRegisterMap;
+    std::map<std::string, unsigned int> mUniformBlockRegisterMap;
+    std::map<std::string, bool> mUniformBlockUseStructuredBufferMap;
+    std::set<std::string> mSlowCompilingUniformBlockSet;
+    std::map<std::string, unsigned int> mShaderStorageBlockRegisterMap;
+    unsigned int mReadonlyImage2DRegisterIndex;
+    unsigned int mImage2DRegisterIndex;
+    std::set<std::string> mUsedImage2DFunctionNames;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_SHADERD3D_H_