1// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// Sampler.h: Defines the es2::Sampler class
16
17#ifndef LIBGLESV2_SAMPLER_H_
18#define LIBGLESV2_SAMPLER_H_
19
20#include "common/Object.hpp"
21#include "Renderer/Renderer.hpp"
22
23#include <GLES2/gl2.h>
24
25namespace es2
26{
27
28class Sampler : public gl::NamedObject
29{
30public:
31 Sampler(GLuint name) : NamedObject(name)
32 {
33 mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
34 mMagFilter = GL_LINEAR;
35
36 mWrapModeS = GL_REPEAT;
37 mWrapModeT = GL_REPEAT;
38 mWrapModeR = GL_REPEAT;
39
40 mMinLod = -1000.0f;
41 mMaxLod = 1000.0f;
42 mCompareMode = GL_NONE;
43 mCompareFunc = GL_LEQUAL;
44 mMaxAnisotropy = 1.0f;
45 }
46
47 void setMinFilter(GLenum minFilter) { mMinFilter = minFilter; }
48 void setMagFilter(GLenum magFilter) { mMagFilter = magFilter; }
49 void setWrapS(GLenum wrapS) { mWrapModeS = wrapS; }
50 void setWrapT(GLenum wrapT) { mWrapModeT = wrapT; }
51 void setWrapR(GLenum wrapR) { mWrapModeR = wrapR; }
52 void setMinLod(GLfloat minLod) { mMinLod = minLod; }
53 void setMaxLod(GLfloat maxLod) { mMaxLod = maxLod; }
54 void setCompareMode(GLenum compareMode) { mCompareMode = compareMode; }
55 void setCompareFunc(GLenum compareFunc) { mCompareFunc = compareFunc; }
56 void setMaxAnisotropy(GLfloat maxAnisotropy) { mMaxAnisotropy = maxAnisotropy; }
57
58 GLenum getMinFilter() const { return mMinFilter; }
59 GLenum getMagFilter() const { return mMagFilter; }
60 GLenum getWrapS() const { return mWrapModeS; }
61 GLenum getWrapT() const { return mWrapModeT; }
62 GLenum getWrapR() const { return mWrapModeR; }
63 GLfloat getMinLod() const { return mMinLod; }
64 GLfloat getMaxLod() const { return mMaxLod; }
65 GLenum getCompareMode() const { return mCompareMode; }
66 GLenum getCompareFunc() const { return mCompareFunc; }
67 GLfloat getMaxAnisotropy() const { return mMaxAnisotropy; }
68
69private:
70 GLenum mMinFilter;
71 GLenum mMagFilter;
72
73 GLenum mWrapModeS;
74 GLenum mWrapModeT;
75 GLenum mWrapModeR;
76
77 GLfloat mMinLod;
78 GLfloat mMaxLod;
79 GLenum mCompareMode;
80 GLenum mCompareFunc;
81 GLfloat mMaxAnisotropy;
82};
83
84}
85
86#endif // LIBGLESV2_SAMPLER_H_
87