+++ /dev/null
- /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
- *
- * 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.
- */
-
-// CLASS HEADER
-#include <dali-toolkit/internal/visuals/image-visual-shader-factory.h>
-
-// EXTERNAL INCLUDES
-
-// INTERNAL INCLUDES
-#include <dali-toolkit/internal/visuals/visual-string-constants.h>
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-
-namespace Internal
-{
-
-namespace
-{
-
-const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
-
-const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
- attribute mediump vec2 aPosition;\n
- uniform highp mat4 uMvpMatrix;\n
- uniform mediump vec3 uSize;\n
- uniform mediump vec4 pixelArea;
- varying mediump vec2 vTexCoord;\n
- \n
- //Visual size and offset
- uniform mediump vec2 offset;\n
- uniform mediump vec2 size;\n
- uniform mediump vec4 offsetSizeMode;\n
- uniform mediump vec2 origin;\n
- uniform mediump vec2 anchorPoint;\n
-\n
- vec4 ComputeVertexPosition()\n
- {\n
- vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
- vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
- return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
- }\n
-\n
- void main()\n
- {\n
- gl_Position = uMvpMatrix * ComputeVertexPosition();\n
- vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
- }\n
-);
-
-const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
- varying mediump vec2 vTexCoord;\n
- uniform sampler2D sTexture;\n
- uniform lowp vec4 uColor;\n
- uniform lowp vec3 mixColor;\n
- uniform lowp float preMultipliedAlpha;\n
- \n
- void main()\n
- {\n
- gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n
- }\n
-);
-
-const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
- varying mediump vec2 vTexCoord;\n
- uniform sampler2D sTexture;\n
- uniform mediump vec4 uAtlasRect;\n
- uniform lowp vec4 uColor;\n
- uniform lowp vec3 mixColor;\n
- uniform lowp float preMultipliedAlpha;\n
- \n
- void main()\n
- {\n
- mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
- gl_FragColor = texture2D( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n
- }\n
-);
-
-const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
- varying mediump vec2 vTexCoord;\n
- uniform sampler2D sTexture;\n
- uniform mediump vec4 uAtlasRect;\n
- // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
- uniform lowp vec2 wrapMode;\n
- uniform lowp vec4 uColor;\n
- uniform lowp vec3 mixColor;\n
- uniform lowp float preMultipliedAlpha;\n
- \n
- mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
- {\n
- mediump float coord;\n
- if( wrap > 1.5 )\n // REFLECT
- coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
- else \n// warp == 0 or 1
- coord = mix(coordinate, fract( coordinate ), wrap);\n
- return clamp( mix(range.x, range.y, coord), range.x, range.y );
- }\n
- \n
- void main()\n
- {\n
- mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
- wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
- gl_FragColor = texture2D( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n
- }\n
-);
-
-} // unnamed namespace
-
-ImageVisualShaderFactory::ImageVisualShaderFactory()
-{
-}
-
-ImageVisualShaderFactory::~ImageVisualShaderFactory()
-{
-}
-
-Shader ImageVisualShaderFactory::GetShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
-{
- Shader shader;
- if( atlasing )
- {
- if( defaultTextureWrapping )
- {
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
- if( !shader )
- {
- shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
- factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
- }
- }
- else
- {
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
- if( !shader )
- {
- shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
- factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
- }
- }
- }
- else
- {
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
- if( !shader )
- {
- shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
- factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
- }
- }
-
- return shader;
-}
-
-const char* ImageVisualShaderFactory::GetVertexShaderSource()
-{
- return VERTEX_SHADER;
-}
-
-const char* ImageVisualShaderFactory::GetFragmentShaderSource()
-{
- return FRAGMENT_SHADER_NO_ATLAS;
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff