blob: 93d19f9fe280b6ca551e96555a393571a77fb3e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
//
// 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.
//
// ReplaceClipCullDistanceVariable.h: Find any references to gl_ClipDistance or gl_CullDistance and
// replace it with ANGLEClipDistance or ANGLECullDistance.
//
#ifndef COMPILER_TRANSLATOR_TREEUTIL_REPLACECLIPCULLDISTANCEVARIABLE_H_
#define COMPILER_TRANSLATOR_TREEUTIL_REPLACECLIPCULLDISTANCEVARIABLE_H_
#include "GLSLANG/ShaderLang.h"
#include "common/angleutils.h"
namespace sh
{
struct InterfaceBlock;
class TCompiler;
class TIntermBlock;
class TSymbolTable;
class TIntermTyped;
// Replace every gl_ClipDistance assignment with assignment to "ANGLEClipDistance",
// then at the end of shader re-assign the values of this global variable to gl_ClipDistance.
// This to solve some complex usages such as user passing gl_ClipDistance as output reference
// to a function.
// Furthermore, at the end shader, some disabled gl_ClipDistance[i] can be skipped from the
// assignment.
[[nodiscard]] bool ReplaceClipDistanceAssignments(TCompiler *compiler,
TIntermBlock *root,
TSymbolTable *symbolTable,
const GLenum shaderType,
const TIntermTyped *clipDistanceEnableFlags);
[[nodiscard]] bool ReplaceCullDistanceAssignments(TCompiler *compiler,
TIntermBlock *root,
TSymbolTable *symbolTable,
const GLenum shaderType);
} // namespace sh
#endif
|
