- /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2023 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.
#include <dali-toolkit/internal/visuals/image-visual-shader-factory.h>
// EXTERNAL INCLUDES
+#include <dali/devel-api/rendering/texture-devel.h>
// INTERNAL INCLUDES
+#include <dali-toolkit/internal/graphics/builtin-shader-extern-gen.h>
#include <dali-toolkit/internal/visuals/visual-string-constants.h>
+#include <dali/integration-api/debug.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
-);
-
+const int NATIVE_SHADER_TYPE_OFFSET = VisualFactoryCache::ShaderType::NATIVE_IMAGE_SHADER - VisualFactoryCache::ShaderType::IMAGE_SHADER;
} // unnamed namespace
ImageVisualShaderFactory::ImageVisualShaderFactory()
+: mFragmentShaderNeedChange(ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED)
{
}
{
}
-Shader ImageVisualShaderFactory::GetShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
+Shader ImageVisualShaderFactory::GetShader(VisualFactoryCache& factoryCache, ImageVisualShaderFeatureBuilder& featureBuilder)
{
- Shader shader;
- if( atlasing )
+ Shader shader;
+ VisualFactoryCache::ShaderType shaderType = featureBuilder.GetShaderType();
+
+ if(featureBuilder.NeedToChangeFragmentShader() == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE &&
+ (mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED ||
+ mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE))
+ {
+ shaderType = static_cast<VisualFactoryCache::ShaderType>(static_cast<int>(shaderType) + NATIVE_SHADER_TYPE_OFFSET);
+ }
+
+ shader = factoryCache.GetShader(shaderType);
+ if(shader)
+ {
+ return shader;
+ }
+
+ std::string vertexShaderPrefixList;
+ std::string fragmentShaderPrefixList;
+ featureBuilder.GetVertexShaderPrefixList(vertexShaderPrefixList);
+ featureBuilder.GetFragmentShaderPrefixList(fragmentShaderPrefixList);
+
+ std::string vertexShader = std::string(Dali::Shader::GetVertexShaderPrefix() + vertexShaderPrefixList + SHADER_IMAGE_VISUAL_SHADER_VERT.data());
+ std::string fragmentShader = std::string(Dali::Shader::GetFragmentShaderPrefix() + fragmentShaderPrefixList + SHADER_IMAGE_VISUAL_SHADER_FRAG.data());
+
+ if(featureBuilder.NeedToChangeFragmentShader() == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE)
{
- if( defaultTextureWrapping )
+ bool modified = DevelTexture::ApplyNativeFragmentShader(featureBuilder.GetTexture(), fragmentShader);
+ if(mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE)
{
- 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 );
- }
+ DALI_ASSERT_ALWAYS(modified && "NativeImageTexture need to change fragment shader. But DALI default image shader doesn't changed!");
}
- else
+ else if(DALI_UNLIKELY(mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED))
{
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
- if( !shader )
+ mFragmentShaderNeedChange = (modified) ? ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE : ImageVisualShaderFeature::ChangeFragmentShader::DONT_CHANGE;
+
+ if(mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::DONT_CHANGE)
{
- 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 );
+ shaderType = static_cast<VisualFactoryCache::ShaderType>(static_cast<int>(shaderType) - NATIVE_SHADER_TYPE_OFFSET);
+ shader = factoryCache.GetShader(shaderType);
}
}
}
- else
+
+ if(shader)
{
- 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;
}
+ shader = Shader::New(vertexShader, fragmentShader);
+ shader.RegisterProperty(PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT);
+ factoryCache.SaveShader(shaderType, shader);
+
return shader;
}
-const char* ImageVisualShaderFactory::GetVertexShaderSource()
+std::string_view ImageVisualShaderFactory::GetVertexShaderSource()
{
- return VERTEX_SHADER;
+ // static string variable to cache complete vertex shader
+ static std::string gVertexShader;
+ if(gVertexShader.empty())
+ {
+ gVertexShader = Dali::Shader::GetVertexShaderPrefix() + SHADER_IMAGE_VISUAL_SHADER_VERT.data();
+ }
+
+ return gVertexShader;
}
-const char* ImageVisualShaderFactory::GetFragmentShaderSource()
+std::string_view ImageVisualShaderFactory::GetFragmentShaderSource()
{
- return FRAGMENT_SHADER_NO_ATLAS;
+ // static string variable to cache complete fragment shader (no atlas)
+ static std::string gFragmentShaderNoAtlas;
+ if(gFragmentShaderNoAtlas.empty())
+ {
+ gFragmentShaderNoAtlas = Dali::Shader::GetFragmentShaderPrefix() + SHADER_IMAGE_VISUAL_SHADER_FRAG.data();
+ }
+ return gFragmentShaderNoAtlas;
}
} // namespace Internal
projects / platform / core / uifw / dali-toolkit.git / blobdiff