1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27
28 #if USE(ACCELERATED_COMPOSITING)
29
30 #include "cc/CCPluginLayerImpl.h"
31
32 #include "GraphicsContext3D.h"
33 #include "LayerRendererChromium.h"
34 #include "PluginLayerChromium.h"
35 #include <wtf/text/WTFString.h>
36
37 namespace WebCore {
38
CCPluginLayerImpl(LayerChromium * owner)39 CCPluginLayerImpl::CCPluginLayerImpl(LayerChromium* owner)
40 : CCLayerImpl(owner)
41 , m_textureId(0)
42 {
43 }
44
~CCPluginLayerImpl()45 CCPluginLayerImpl::~CCPluginLayerImpl()
46 {
47 }
48
draw(const IntRect &)49 void CCPluginLayerImpl::draw(const IntRect&)
50 {
51 ASSERT(layerRenderer());
52 const CCPluginLayerImpl::Program* program = layerRenderer()->pluginLayerProgram();
53 ASSERT(program && program->initialized());
54 GraphicsContext3D* context = layerRenderer()->context();
55 GLC(context, context->activeTexture(GraphicsContext3D::TEXTURE0));
56 GLC(context, context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_textureId));
57
58 // FIXME: setting the texture parameters every time is redundant. Move this code somewhere
59 // where it will only happen once per texture.
60 GLC(context, context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::LINEAR));
61 GLC(context, context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::LINEAR));
62 GLC(context, context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_S, GraphicsContext3D::CLAMP_TO_EDGE));
63 GLC(context, context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_T, GraphicsContext3D::CLAMP_TO_EDGE));
64
65 layerRenderer()->useShader(program->program());
66 GLC(context, context->uniform1i(program->fragmentShader().samplerLocation(), 0));
67 LayerChromium::drawTexturedQuad(context, layerRenderer()->projectionMatrix(), drawTransform(),
68 bounds().width(), bounds().height(), drawOpacity(),
69 program->vertexShader().matrixLocation(),
70 program->fragmentShader().alphaLocation());
71 }
72
73
dumpLayerProperties(TextStream & ts,int indent) const74 void CCPluginLayerImpl::dumpLayerProperties(TextStream& ts, int indent) const
75 {
76 writeIndent(ts, indent);
77 ts << "plugin layer texture id: " << m_textureId << "\n";
78 CCLayerImpl::dumpLayerProperties(ts, indent);
79 }
80
81 }
82
83 #endif // USE(ACCELERATED_COMPOSITING)
84