#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>
// 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, TextureAtlas atlasing, DefaultTextureWrapMode defaultTextureWrapping, RoundedCorner roundedCorner, Borderline borderline)
+Shader ImageVisualShaderFactory::GetShader(VisualFactoryCache& factoryCache, const ImageVisualShaderFeature::FeatureBuilder& featureBuilder)
{
Shader shader;
VisualFactoryCache::ShaderType shaderType = VisualFactoryCache::IMAGE_SHADER;
- if(atlasing == TextureAtlas::ENABLED)
+
+ 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 == DefaultTextureWrapMode::APPLY)
+ if(defaultTextureWrapping == ImageVisualShaderFeature::DefaultTextureWrapMode::APPLY)
{
shaderType = VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP;
}
}
else
{
- if(roundedCorner == RoundedCorner::ENABLED)
+ if(roundedCorner == ImageVisualShaderFeature::RoundedCorner::ENABLED)
{
- if(borderline == Borderline::ENABLED)
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
{
shaderType = VisualFactoryCache::IMAGE_SHADER_ROUNDED_BORDERLINE;
}
}
else
{
- if(borderline == Borderline::ENABLED)
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
{
shaderType = VisualFactoryCache::IMAGE_SHADER_BORDERLINE;
}
}
}
+ if(changeFragmentShader == 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)
{
std::string vertexShaderPrefixList;
std::string fragmentShaderPrefixList;
- if(atlasing == TextureAtlas::ENABLED)
+ if(atlasing == ImageVisualShaderFeature::TextureAtlas::ENABLED)
{
- if(defaultTextureWrapping == DefaultTextureWrapMode::APPLY)
+ if(defaultTextureWrapping == ImageVisualShaderFeature::DefaultTextureWrapMode::APPLY)
{
fragmentShaderPrefixList += "#define ATLAS_DEFAULT_WARP 1\n";
}
}
else
{
- if(roundedCorner == RoundedCorner::ENABLED)
+ if(roundedCorner == ImageVisualShaderFeature::RoundedCorner::ENABLED)
{
vertexShaderPrefixList += "#define IS_REQUIRED_ROUNDED_CORNER 1\n";
fragmentShaderPrefixList += "#define IS_REQUIRED_ROUNDED_CORNER 1\n";
}
- if(borderline == Borderline::ENABLED)
+ if(borderline == ImageVisualShaderFeature::Borderline::ENABLED)
{
vertexShaderPrefixList += "#define IS_REQUIRED_BORDERLINE 1\n";
fragmentShaderPrefixList += "#define IS_REQUIRED_BORDERLINE 1\n";
}
}
- shader = Shader::New(Dali::Shader::GetVertexShaderPrefix() + vertexShaderPrefixList + SHADER_IMAGE_VISUAL_SHADER_VERT.data(),
- Dali::Shader::GetFragmentShaderPrefix() + fragmentShaderPrefixList + SHADER_IMAGE_VISUAL_SHADER_FRAG.data());
+ 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))
+ {
+ // 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);
}
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