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Diffstat (limited to 'gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteCubeMapSamplersAs2DArray.h')
-rw-r--r-- | gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteCubeMapSamplersAs2DArray.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteCubeMapSamplersAs2DArray.h b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteCubeMapSamplersAs2DArray.h new file mode 100644 index 0000000000..515c1de103 --- /dev/null +++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteCubeMapSamplersAs2DArray.h @@ -0,0 +1,29 @@ +// +// Copyright 2019 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. +// +// RewriteCubeMapSamplersAs2DArray: Change samplerCube samplers to sampler2DArray, and the +// textureCube* function calls to calls to helper functions that select the cube map face and sample +// from the face as a 2D texture. This emulates seamful cube map sampling in ES2 (or desktop GL 2) +// and therefore only looks at samplerCube (i.e. not integer variants or cube arrays) and sampling +// functions that are defined in ES GLSL 1.0 (i.e. not the cube overload of texture()). + +#ifndef COMPILER_TRANSLATOR_TREEOPS_REWRITECUBEMAPSAMPLERSAS2DARRAY_H_ +#define COMPILER_TRANSLATOR_TREEOPS_REWRITECUBEMAPSAMPLERSAS2DARRAY_H_ + +#include "common/angleutils.h" + +namespace sh +{ +class TCompiler; +class TIntermBlock; +class TSymbolTable; + +[[nodiscard]] bool RewriteCubeMapSamplersAs2DArray(TCompiler *compiler, + TIntermBlock *root, + TSymbolTable *symbolTable, + bool isFragmentShader); +} // namespace sh + +#endif // COMPILER_TRANSLATOR_TREEOPS_REWRITECUBEMAPSAMPLERSAS2DARRAY_H_ |