Texture.cpp revision 8e93a7c9377b4ae43ecfb408f4906a09f6c83c03 
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
24namespace android {
25namespace uirenderer {
26
27void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force,
28        GLenum renderTarget) {
29
30    if (mFirstWrap || force || wrapS != mWrapS || wrapT != mWrapT) {
31        mFirstWrap = false;
32
33        mWrapS = wrapS;
34        mWrapT = wrapT;
35
36        if (bindTexture) {
37            mCaches.textureState().bindTexture(renderTarget, id);
38        }
39
40        glTexParameteri(renderTarget, GL_TEXTURE_WRAP_S, wrapS);
41        glTexParameteri(renderTarget, GL_TEXTURE_WRAP_T, wrapT);
42    }
43}
44
45void Texture::setFilterMinMag(GLenum min, GLenum mag, bool bindTexture, bool force,
46        GLenum renderTarget) {
47
48    if (mFirstFilter || force || min != mMinFilter || mag != mMagFilter) {
49        mFirstFilter = false;
50
51        mMinFilter = min;
52        mMagFilter = mag;
53
54        if (bindTexture) {
55            mCaches.textureState().bindTexture(renderTarget, id);
56        }
57
58        if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
59
60        glTexParameteri(renderTarget, GL_TEXTURE_MIN_FILTER, min);
61        glTexParameteri(renderTarget, GL_TEXTURE_MAG_FILTER, mag);
62    }
63}
64
65void Texture::deleteTexture() const {
66    mCaches.textureState().deleteTexture(id);
67}
68
69}; // namespace uirenderer
70}; // namespace android
71