Hash :
d193d51b
Author :
Date :
2024-06-17T22:46:08
Replace issue ids post migration to new issue tracker This change replaces anglebug.com/NNNN links. Bug: None Change-Id: I8ac3aec8d2a8a844b3d7b99fc0a6b2be8da31761 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5637912 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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//
// Copyright 2020 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.
//
// This mutating tree traversal flips the 2nd argument of interpolateAtOffset() to account for
// Y-coordinate flipping
//
// From: interpolateAtOffset(float interpolant, vec2 offset);
// To: interpolateAtOffset(float interpolant, vec2(offset * (pre-rotation * viewportYScale)));
//
// See http://anglebug.com/42262252
#ifndef COMPILER_TRANSLATOR_TREEOPS_SPIRV_REWRITEINTERPOLATEATOFFSET_H_
#define COMPILER_TRANSLATOR_TREEOPS_SPIRV_REWRITEINTERPOLATEATOFFSET_H_
#include "common/angleutils.h"
#include "compiler/translator/Compiler.h"
namespace sh
{
class TCompiler;
class TIntermBlock;
class TSymbolTable;
class SpecConst;
class DriverUniform;
// If fragRotation = nullptr, no rotation will be applied.
[[nodiscard]] bool RewriteInterpolateAtOffset(TCompiler *compiler,
TIntermBlock *root,
TSymbolTable *symbolTable,
int shaderVersion,
SpecConst *specConst,
const DriverUniform *driverUniforms);
} // namespace sh
#endif // COMPILER_TRANSLATOR_TREEOPS_SPIRV_REWRITEINTERPOLATEATOFFSET_H_