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Diffstat (limited to 'gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteStructSamplers.h')
-rw-r--r-- | gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteStructSamplers.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteStructSamplers.h b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteStructSamplers.h new file mode 100644 index 0000000000..f4c73a27fc --- /dev/null +++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteStructSamplers.h @@ -0,0 +1,38 @@ +// +// Copyright 2018 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. +// +// RewriteStructSamplers: Extract structs from samplers. +// +// This traverser is designed to strip out samplers from structs. It moves them into separate +// uniform sampler declarations. This allows the struct to be stored in the default uniform block. +// This transformation requires MonomorphizeUnsupportedFunctions to have been run so it +// wouldn't need to deal with functions that are passed such structs. +// +// For example: +// struct S { sampler2D samp; int i; }; +// uniform S uni; +// Is rewritten as: +// struct S { int i; }; +// uniform S uni; +// uniform sampler2D uni_i; + +#ifndef COMPILER_TRANSLATOR_TREEOPS_REWRITESTRUCTSAMPLERS_H_ +#define COMPILER_TRANSLATOR_TREEOPS_REWRITESTRUCTSAMPLERS_H_ + +#include "common/angleutils.h" + +namespace sh +{ +class TCompiler; +class TIntermBlock; +class TSymbolTable; + +[[nodiscard]] bool RewriteStructSamplers(TCompiler *compiler, + TIntermBlock *root, + TSymbolTable *symbolTable, + int *removedUniformsCountOut); +} // namespace sh + +#endif // COMPILER_TRANSLATOR_TREEOPS_VULKAN_REWRITESTRUCTSAMPLERS_H_ |