1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "OpenGLRenderer"
18
19 #include <utils/Log.h>
20
21 #include "Caches.h"
22 #include "Texture.h"
23
24 namespace android {
25 namespace uirenderer {
26
Texture()27 Texture::Texture(): id(0), generation(0), blend(false), width(0), height(0),
28 cleanup(false), bitmapSize(0), mipMap(false), uvMapper(NULL), isInUse(false),
29 mWrapS(GL_CLAMP_TO_EDGE), mWrapT(GL_CLAMP_TO_EDGE),
30 mMinFilter(GL_NEAREST), mMagFilter(GL_NEAREST),
31 mFirstFilter(true), mFirstWrap(true), mCaches(Caches::getInstance()) {
32 }
33
Texture(Caches & caches)34 Texture::Texture(Caches& caches): id(0), generation(0), blend(false), width(0), height(0),
35 cleanup(false), bitmapSize(0), mipMap(false), uvMapper(NULL), isInUse(false),
36 mWrapS(GL_CLAMP_TO_EDGE), mWrapT(GL_CLAMP_TO_EDGE),
37 mMinFilter(GL_NEAREST), mMagFilter(GL_NEAREST),
38 mFirstFilter(true), mFirstWrap(true), mCaches(caches) {
39 }
40
setWrapST(GLenum wrapS,GLenum wrapT,bool bindTexture,bool force,GLenum renderTarget)41 void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force,
42 GLenum renderTarget) {
43
44 if (mFirstWrap || force || wrapS != mWrapS || wrapT != mWrapT) {
45 mFirstWrap = false;
46
47 mWrapS = wrapS;
48 mWrapT = wrapT;
49
50 if (bindTexture) {
51 mCaches.bindTexture(renderTarget, id);
52 }
53
54 glTexParameteri(renderTarget, GL_TEXTURE_WRAP_S, wrapS);
55 glTexParameteri(renderTarget, GL_TEXTURE_WRAP_T, wrapT);
56 }
57 }
58
setFilterMinMag(GLenum min,GLenum mag,bool bindTexture,bool force,GLenum renderTarget)59 void Texture::setFilterMinMag(GLenum min, GLenum mag, bool bindTexture, bool force,
60 GLenum renderTarget) {
61
62 if (mFirstFilter || force || min != mMinFilter || mag != mMagFilter) {
63 mFirstFilter = false;
64
65 mMinFilter = min;
66 mMagFilter = mag;
67
68 if (bindTexture) {
69 mCaches.bindTexture(renderTarget, id);
70 }
71
72 if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
73
74 glTexParameteri(renderTarget, GL_TEXTURE_MIN_FILTER, min);
75 glTexParameteri(renderTarget, GL_TEXTURE_MAG_FILTER, mag);
76 }
77 }
78
deleteTexture() const79 void Texture::deleteTexture() const {
80 mCaches.deleteTexture(id);
81 }
82
83 }; // namespace uirenderer
84 }; // namespace android
85