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 "debug-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
68 DebugVisual::DebugVisual( VisualFactoryCache& factoryCache )
69 : Visual::Base( factoryCache )
73 DebugVisual::~DebugVisual()
76 void DebugVisual::DoSetOnStage( Actor& actor )
81 void DebugVisual::DoCreatePropertyMap( Property::Map& map ) const
84 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::DEBUG );
87 void DebugVisual::InitializeRenderer()
89 mImpl->mRenderer = mFactoryCache.GetDebugRenderer();
90 if( !mImpl->mRenderer )
92 Geometry geometry = CreateQuadWireframeGeometry();
93 Shader shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
95 mImpl->mRenderer = Renderer::New( geometry, shader);
96 mFactoryCache.CacheDebugRenderer( mImpl->mRenderer );
100 Geometry DebugVisual::CreateQuadWireframeGeometry()
102 const float halfWidth = 0.5f;
103 const float halfHeight = 0.5f;
104 struct QuadVertex { Vector2 position;};
105 QuadVertex quadVertexData[4] =
107 { Vector2(-halfWidth, -halfHeight) },
108 { Vector2( halfWidth, -halfHeight) },
109 { Vector2( halfWidth, halfHeight) },
110 { Vector2(-halfWidth, halfHeight) }
113 Property::Map quadVertexFormat;
114 quadVertexFormat[POSITION_ATTRIBUTE_NAME] = Property::VECTOR2;
115 PropertyBuffer quadVertices = PropertyBuffer::New( quadVertexFormat );
116 quadVertices.SetData( quadVertexData, 4 );
119 unsigned short indexData[10] = { 0, 1, 1, 2, 2, 3, 3, 0 };
121 // Create the geometry object
122 Geometry geometry = Geometry::New();
123 geometry.AddVertexBuffer( quadVertices );
124 geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
125 geometry.SetType( Geometry::LINES );
130 } // namespace Internal
132 } // namespace Toolkit