- /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2021 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
- uniform mediump vec2 extraSize;\n
-\n
- vec4 ComputeVertexPosition()\n
- {\n
- vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;\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 char* VERTEX_SHADER_ROUNDED_CORNER = 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
- varying mediump vec2 vPosition;\n
- varying mediump vec2 vRectSize;\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
- uniform mediump float cornerRadius;\n
- uniform mediump vec2 extraSize;\n
- \n
- vec4 ComputeVertexPosition()\n
- {\n
- vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;\n
- vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
- vRectSize = visualSize / 2.0 - cornerRadius;\n
- vPosition = aPosition* visualSize;\n
- return vec4( vPosition + 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
-);
-
-//float distance = length( max( abs( position - center ), size ) - size ) - radius;
-const char* FRAGMENT_SHADER_ROUNDED_CORNER = DALI_COMPOSE_SHADER(
- varying mediump vec2 vTexCoord;\n
- varying mediump vec2 vPosition;\n
- varying mediump vec2 vRectSize;\n
- uniform sampler2D sTexture;\n
- uniform lowp vec4 uColor;\n
- uniform lowp vec3 mixColor;\n
- uniform mediump float cornerRadius;\n
- \n
- void main()\n
- {\n
- mediump float dist = length( max( abs( vPosition ), vRectSize ) - vRectSize ) - cornerRadius;\n
- gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n
- gl_FragColor.a *= smoothstep( 1.0, -1.0, dist );\n
- }\n
-);
+// global string variable to caching complate vertex shader
+static std::string gVertexShader;
+
+// global string variable to caching complate fragment shader (no atlas)
+static std::string gFragmentShaderNoAtlas;
+
+const int NATIVE_SHADER_TYPE_OFFSET = VisualFactoryCache::ShaderType::NATIVE_IMAGE_SHADER - VisualFactoryCache::ShaderType::IMAGE_SHADER;
} // unnamed namespace
+namespace ImageVisualShaderFeature
+{
+FeatureBuilder& FeatureBuilder::EnableTextureAtlas(bool enableAtlas)
+{
+ mTextureAtlas = (enableAtlas ? TextureAtlas::ENABLED : TextureAtlas::DISABLED);
+ return *this;
+}
+FeatureBuilder& FeatureBuilder::ApplyDefaultTextureWrapMode(bool applyDefaultTextureWrapMode)
+{
+ mDefaultTextureWrapMode = (applyDefaultTextureWrapMode ? DefaultTextureWrapMode::APPLY : DefaultTextureWrapMode::DO_NOT_APPLY);
+ return *this;
+}
+FeatureBuilder& FeatureBuilder::EnableRoundedCorner(bool enableRoundedCorner)
+{
+ mRoundedCorner = (enableRoundedCorner ? RoundedCorner::ENABLED : RoundedCorner::DISABLED);
+ return *this;
+}
+FeatureBuilder& FeatureBuilder::EnableBorderline(bool enableBorderline)
+{
+ mBorderline = (enableBorderline ? Borderline::ENABLED : Borderline::DISABLED);
+ return *this;
+}
+FeatureBuilder& FeatureBuilder::SetTextureForFragmentShaderCheck(const Dali::Texture& texture)
+{
+ mTexture = texture;
+ return *this;
+}
+} // namespace ImageVisualShaderFeature
+
ImageVisualShaderFactory::ImageVisualShaderFactory()
+: mFragmentShaderNeedChange(ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED)
{
}
{
}
-Shader ImageVisualShaderFactory::GetShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping, bool roundedCorner )
+Shader ImageVisualShaderFactory::GetShader(VisualFactoryCache& factoryCache, const ImageVisualShaderFeature::FeatureBuilder& featureBuilder)
{
Shader shader;
- if( atlasing )
+ VisualFactoryCache::ShaderType shaderType = VisualFactoryCache::IMAGE_SHADER;
+
+ const auto& atlasing = featureBuilder.mTextureAtlas;
+ const auto& defaultTextureWrapping = featureBuilder.mDefaultTextureWrapMode;
+ const auto& roundedCorner = featureBuilder.mRoundedCorner;
+ const auto& borderline = featureBuilder.mBorderline;
+ const auto& changeFragmentShader = (featureBuilder.mTexture && DevelTexture::IsNative(featureBuilder.mTexture))
+ ? ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE
+ : ImageVisualShaderFeature::ChangeFragmentShader::DONT_CHANGE;
+
+ if(atlasing == ImageVisualShaderFeature::TextureAtlas::ENABLED)
+ {
+ if(defaultTextureWrapping == ImageVisualShaderFeature::DefaultTextureWrapMode::APPLY)
+ {
+ shaderType = VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP;
+ }
+ else
+ {
+ shaderType = VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP;
+ }
+ }
+ else
{
- if( defaultTextureWrapping )
+ if(roundedCorner == ImageVisualShaderFeature::RoundedCorner::ENABLED)
{
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
- if( !shader )
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
+ {
+ shaderType = VisualFactoryCache::IMAGE_SHADER_ROUNDED_BORDERLINE;
+ }
+ else
{
- 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 );
+ shaderType = VisualFactoryCache::IMAGE_SHADER_ROUNDED_CORNER;
}
}
else
{
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
- if( !shader )
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
{
- 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 = VisualFactoryCache::IMAGE_SHADER_BORDERLINE;
}
}
}
- else
+
+ if(changeFragmentShader == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE &&
+ (mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED ||
+ mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE))
{
- if( roundedCorner )
+ shaderType = static_cast<VisualFactoryCache::ShaderType>(static_cast<int>(shaderType) + NATIVE_SHADER_TYPE_OFFSET);
+ }
+
+ shader = factoryCache.GetShader(shaderType);
+ if(!shader)
+ {
+ std::string vertexShaderPrefixList;
+ std::string fragmentShaderPrefixList;
+ if(atlasing == ImageVisualShaderFeature::TextureAtlas::ENABLED)
{
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ROUNDED_CORNER );
- if( !shader )
+ if(defaultTextureWrapping == ImageVisualShaderFeature::DefaultTextureWrapMode::APPLY)
+ {
+ fragmentShaderPrefixList += "#define ATLAS_DEFAULT_WARP 1\n";
+ }
+ else
{
- shader = Shader::New( VERTEX_SHADER_ROUNDED_CORNER, FRAGMENT_SHADER_ROUNDED_CORNER );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
- factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ROUNDED_CORNER, shader );
+ fragmentShaderPrefixList += "#define ATLAS_CUSTOM_WARP 1\n";
}
}
else
{
- shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
- if( !shader )
+ if(roundedCorner == ImageVisualShaderFeature::RoundedCorner::ENABLED)
+ {
+ vertexShaderPrefixList += "#define IS_REQUIRED_ROUNDED_CORNER 1\n";
+ fragmentShaderPrefixList += "#define IS_REQUIRED_ROUNDED_CORNER 1\n";
+ }
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
+ {
+ vertexShaderPrefixList += "#define IS_REQUIRED_BORDERLINE 1\n";
+ fragmentShaderPrefixList += "#define IS_REQUIRED_BORDERLINE 1\n";
+ }
+ }
+
+ 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(changeFragmentShader == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE)
+ {
+ if(DALI_UNLIKELY(mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::UNDECIDED))
{
- shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
- factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
+ // NOTE : This routine will run exist one times.
+ //
+ // First, we will run ApplyNativeFragmentShader
+ // - If fragment shader is modified, then current platform allow to change fragment shader.
+ // We cache this result mFragmentShaderNeedChange = ChangeFragmentShader::NEED_CHANGE.
+ // - If fragment shader is not modified, then current platform will always don't change fragment shader.
+ // We cache this result mFragmentShaderNeedChange = ChangeFragmentShader::DONT_CHANGE.
+ // And change current shaderType into normal image range.
+ // After cached the result, shaderType never become NATIVE_IMAGE_SHADER anymore.
+ // Second, save shader result.
+
+ // Try to apply fragmentShader
+ bool modified = DevelTexture::ApplyNativeFragmentShader(featureBuilder.mTexture, fragmentShader);
+ if(modified)
+ {
+ // Now we know that fragment shader need to change.
+ mFragmentShaderNeedChange = ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE;
+ }
+ else
+ {
+ // Now we know that fragment shader even don't need to change.
+ // We can skip ApplyNativeFragmentShader routine after now.
+ mFragmentShaderNeedChange = ImageVisualShaderFeature::ChangeFragmentShader::DONT_CHANGE;
+
+ // Now we need normal shader type
+ // So decrease NATIVE_SHADER_TYPE_OFFSET.
+ shaderType = static_cast<VisualFactoryCache::ShaderType>(static_cast<int>(shaderType) - NATIVE_SHADER_TYPE_OFFSET);
+
+ // If we already compiled this type already, just use that cached shader.
+ // Else, just go forward.
+ shader = factoryCache.GetShader(shaderType);
+ if(shader)
+ {
+ return shader;
+ }
+ }
+ }
+ else if(mFragmentShaderNeedChange == ImageVisualShaderFeature::ChangeFragmentShader::NEED_CHANGE)
+ {
+ // Always need to apply fragmentShader
+ bool modified = DevelTexture::ApplyNativeFragmentShader(featureBuilder.mTexture, fragmentShader);
+ DALI_ASSERT_ALWAYS(modified && "NativeImageTexture need to change fragment shader. But DALI default image shader doesn't changed!");
}
}
+ 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;
+ 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;
+ if(gFragmentShaderNoAtlas.empty())
+ {
+ gFragmentShaderNoAtlas = Dali::Shader::GetFragmentShaderPrefix() + SHADER_IMAGE_VISUAL_SHADER_FRAG.data();
+ }
+ return gFragmentShaderNoAtlas;
}
} // namespace Internal