diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h')
-rw-r--r-- | gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h b/gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h new file mode 100644 index 0000000000..8278f9fafe --- /dev/null +++ b/gfx/angle/checkout/src/compiler/translator/ASTMetadataHLSL.h @@ -0,0 +1,62 @@ +// +// Copyright 2002 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. +// + +// Defines analyses of the AST needed for HLSL generation + +#ifndef COMPILER_TRANSLATOR_ASTMETADATAHLSL_H_ +#define COMPILER_TRANSLATOR_ASTMETADATAHLSL_H_ + +#include <set> +#include <vector> + +namespace sh +{ + +class CallDAG; +class TIntermNode; +class TIntermIfElse; +class TIntermLoop; + +struct ASTMetadataHLSL +{ + ASTMetadataHLSL() + : mUsesGradient(false), + mCalledInDiscontinuousLoop(false), + mHasGradientLoopInCallGraph(false), + mNeedsLod0(false) + {} + + // Here "something uses a gradient" means here that it either contains a + // gradient operation, or a call to a function that uses a gradient. + bool hasGradientInCallGraph(TIntermLoop *node); + bool hasGradientLoop(TIntermIfElse *node); + + // Does the function use a gradient. + bool mUsesGradient; + + // Even if usesGradient is true, some control flow might not use a gradient + // so we store the set of all gradient-using control flows. + std::set<TIntermNode *> mControlFlowsContainingGradient; + + // Remember information about the discontinuous loops and which functions + // are called in such loops. + bool mCalledInDiscontinuousLoop; + bool mHasGradientLoopInCallGraph; + std::set<TIntermLoop *> mDiscontinuousLoops; + std::set<TIntermIfElse *> mIfsContainingGradientLoop; + + // Will we need to generate a Lod0 version of the function. + bool mNeedsLod0; +}; + +typedef std::vector<ASTMetadataHLSL> MetadataList; + +// Return the AST analysis result, in the order defined by the call DAG +MetadataList CreateASTMetadataHLSL(TIntermNode *root, const CallDAG &callDag); + +} // namespace sh + +#endif // COMPILER_TRANSLATOR_ASTMETADATAHLSL_H_ |