Layer.cpp revision 98d3a64ffa13596e3ea9125bbff40c51ec96bd8d 
1/*
2 * Copyright (C) 2012 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 "Layer.h"
22#include "LayerRenderer.h"
23#include "OpenGLRenderer.h"
24#include "Caches.h"
25
26namespace android {
27namespace uirenderer {
28
29Layer::Layer(const uint32_t layerWidth, const uint32_t layerHeight) {
30    mesh = NULL;
31    meshIndices = NULL;
32    meshElementCount = 0;
33    cacheable = true;
34    textureLayer = false;
35    renderTarget = GL_TEXTURE_2D;
36    texture.width = layerWidth;
37    texture.height = layerHeight;
38    colorFilter = NULL;
39    deferredUpdateScheduled = false;
40    renderer = NULL;
41    displayList = NULL;
42    fbo = 0;
43    Caches::getInstance().resourceCache.incrementRefcount(this);
44}
45
46Layer::~Layer() {
47    if (mesh) delete mesh;
48    if (meshIndices) delete meshIndices;
49    if (colorFilter) Caches::getInstance().resourceCache.decrementRefcount(colorFilter);
50    removeFbo();
51    deleteTexture();
52}
53
54void Layer::removeFbo() {
55    if (fbo) {
56        LayerRenderer::flushLayer(this);
57        Caches::getInstance().fboCache.put(fbo);
58        fbo = 0;
59    }
60}
61
62void Layer::setPaint(SkPaint* paint) {
63    OpenGLRenderer::getAlphaAndModeDirect(paint, &alpha, &mode);
64}
65
66void Layer::setColorFilter(SkiaColorFilter* filter) {
67    if (colorFilter) {
68        Caches::getInstance().resourceCache.decrementRefcount(colorFilter);
69    }
70    colorFilter = filter;
71    if (colorFilter) {
72        Caches::getInstance().resourceCache.incrementRefcount(colorFilter);
73    }
74}
75
76
77
78}; // namespace uirenderer
79}; // namespace android
80