summaryrefslogtreecommitdiffstats
path: root/WebCore/platform/graphics/android/MediaLayer.cpp
blob: fac94f596e990005795872cd4d0d92fb26fa0b58 (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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "config.h"
#include "MediaLayer.h"
#include "MediaTexture.h"
#include "TilesManager.h"

#if USE(ACCELERATED_COMPOSITING)

#define LAYER_DEBUG
#undef LAYER_DEBUG

#ifdef DEBUG

#include <cutils/log.h>
#include <wtf/text/CString.h>

#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "MediaLayer", __VA_ARGS__)

#else

#undef XLOG
#define XLOG(...)

#endif // DEBUG

namespace WebCore {

MediaLayer::MediaLayer() : LayerAndroid(false)
{
    m_bufferedTexture = new MediaTexture(EGL_NO_CONTEXT);
    m_bufferedTexture->incStrong(this);
    m_videoTexture = new VideoTexture();
    m_videoTexture->incStrong(this);

    m_currentTextureInfo = 0;
    m_isContentInverted = false;
    XLOG("Creating Media Layer %p", this);
}

MediaLayer::MediaLayer(const MediaLayer& layer) : LayerAndroid(layer)
{
    m_bufferedTexture = layer.getTexture();
    m_bufferedTexture->incStrong(this);
    m_videoTexture = layer.m_videoTexture;
    m_videoTexture->incStrong(this);

    m_currentTextureInfo = 0;
    m_isContentInverted = layer.m_isContentInverted;
    XLOG("Creating Media Layer Copy %p -> %p", &layer, this);
}

MediaLayer::~MediaLayer()
{
    XLOG("Deleting Media Layer");
    m_bufferedTexture->decStrong(this);
    m_videoTexture->decStrong(this);
}

bool MediaLayer::drawGL(SkMatrix& matrix)
{
    // check to see if we need to create a video texture
    m_videoTexture->initNativeWindowIfNeeded();
    // draw any video content if present
    m_videoTexture->drawVideo(drawTransform());

    // draw the primary content
    if (m_bufferedTexture) {
        TextureInfo* textureInfo = m_bufferedTexture->consumerLock();
        if (textureInfo) {
            // the layer's shader draws the content inverted so we must undo
            // that change in the transformation matrix
            TransformationMatrix m = drawTransform();
            if (!m_isContentInverted) {
                m.flipY();
                m.translate(0, -getSize().height());
            }

            SkRect rect;
            rect.set(0, 0, getSize().width(), getSize().height());
            TilesManager::instance()->shader()->drawLayerQuad(m, rect,
                                                              textureInfo->m_textureId,
                                                              1.0f); //TODO fix this m_drawOpacity
        }
        m_bufferedTexture->consumerRelease();
    }

    drawChildrenGL(matrix);

    //TODO allow plugins to specify when they should be drawn
    return true;
}

ANativeWindow* MediaLayer::acquireNativeWindowForVideo()
{
    return m_videoTexture->requestNewWindow();
}

void MediaLayer::setWindowDimensionsForVideo(const ANativeWindow* window, const SkRect& dimensions)
{
    if (window != m_videoTexture->getNativeWindow())
        return;

    //TODO validate that the dimensions do not exceed the plugin's bounds
    m_videoTexture->setDimensions(dimensions);
}

void MediaLayer::releaseNativeWindowForVideo(ANativeWindow* window)
{
    if (window == m_videoTexture->getNativeWindow())
        m_videoTexture->releaseNativeWindow();
}

} // namespace WebCore

#endif // USE(ACCELERATED_COMPOSITING)