2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
20 #include "wireframe-visual.h"
23 #include <dali-toolkit/public-api/visuals/visual-properties.h>
24 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
25 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
26 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
27 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
40 const char * const POSITION_ATTRIBUTE_NAME("aPosition");
41 const char * const INDEX_NAME("indices");
43 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
44 attribute mediump vec2 aPosition;\n
45 uniform mediump mat4 uMvpMatrix;\n
46 uniform mediump vec3 uSize;\n
50 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
51 vertexPosition.xyz *= uSize;\n
52 gl_Position = uMvpMatrix * vertexPosition;\n
56 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(\n
57 uniform lowp vec4 uColor;\n
61 gl_FragColor = uColor;\n
67 WireframeVisualPtr WireframeVisual::New( VisualFactoryCache& factoryCache )
69 return new WireframeVisual( factoryCache );
72 WireframeVisual::WireframeVisual( VisualFactoryCache& factoryCache )
73 : Visual::Base( factoryCache )
77 WireframeVisual::~WireframeVisual()
81 void WireframeVisual::DoSetOnStage( Actor& actor )
85 actor.AddRenderer( mImpl->mRenderer );
88 void WireframeVisual::DoCreatePropertyMap( Property::Map& map ) const
91 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::WIREFRAME );
94 void WireframeVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
99 Dali::Property::Value WireframeVisual::DoGetProperty( Dali::Property::Index index )
102 return Dali::Property::Value();
105 void WireframeVisual::InitializeRenderer()
107 mImpl->mRenderer = mFactoryCache.GetWireframeRenderer();
108 if( !mImpl->mRenderer )
110 Geometry geometry = CreateQuadWireframeGeometry();
111 Shader shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
113 mImpl->mRenderer = Renderer::New( geometry, shader);
114 mFactoryCache.CacheWireframeRenderer( mImpl->mRenderer );
118 Geometry WireframeVisual::CreateQuadWireframeGeometry()
120 const float halfWidth = 0.5f;
121 const float halfHeight = 0.5f;
122 struct QuadVertex { Vector2 position;};
123 QuadVertex quadVertexData[4] =
125 { Vector2(-halfWidth, -halfHeight) },
126 { Vector2( halfWidth, -halfHeight) },
127 { Vector2( halfWidth, halfHeight) },
128 { Vector2(-halfWidth, halfHeight) }
131 Property::Map quadVertexFormat;
132 quadVertexFormat[POSITION_ATTRIBUTE_NAME] = Property::VECTOR2;
133 PropertyBuffer quadVertices = PropertyBuffer::New( quadVertexFormat );
134 quadVertices.SetData( quadVertexData, 4 );
137 unsigned short indexData[10] = { 0, 1, 1, 2, 2, 3, 3, 0 };
139 // Create the geometry object
140 Geometry geometry = Geometry::New();
141 geometry.AddVertexBuffer( quadVertices );
142 geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
143 geometry.SetType( Geometry::LINES );
148 } // namespace Internal
150 } // namespace Toolkit