#define DALI_TOOLKIT_IMAGE_VISUAL_SHADER_FACTORY_H
/*
- * 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.
// INTERNAL INCLUDES
#include <dali-toolkit/internal/visuals/visual-factory-cache.h>
+#include <string_view>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
/**
+ * ImageVisualShaderFeature contains feature lists what image visual shader need to know.
+ */
+namespace ImageVisualShaderFeature
+{
+namespace TextureAtlas
+{
+/**
+ * @brief Whether use texture with atlas, or not
+ */
+enum Type
+{
+ DISABLED = 0, ///< Image visual doesn't use ATLAS
+ ENABLED ///< Image visual uses ATLAS
+};
+} // namespace TextureAtlas
+
+namespace DefaultTextureWrapMode
+{
+/**
+ * @brief Whether apply to texture wraping in default, or not
+ */
+enum Type
+{
+ APPLY = 0, ///< Image visual applies to wraping texture in default
+ DO_NOT_APPLY ///< Image visual doesn't apply to wraping texture in default
+};
+} // namespace DefaultTextureWrapMode
+
+namespace RoundedCorner
+{
+/**
+ * @brief Whether use rounded corner, or not
+ */
+enum Type
+{
+ DISABLED = 0, ///< Image visual doesn't use rounded corner
+ ENABLED ///< Image visual uses rounded corner
+};
+} // namespace RoundedCorner
+
+namespace Borderline
+{
+/**
+ * @brief Whether use borderline, or not
+ */
+enum Type
+{
+ DISABLED = 0, ///< Image visual doesn't use borderline
+ ENABLED ///< Image visual uses borderline
+};
+} // namespace Borderline
+
+namespace ChangeFragmentShader
+{
+/**
+ * @brief Whether native image change the default fragment shader, or not
+ */
+enum Type
+{
+ DONT_CHANGE = 0, ///< Native image doesn't change default fragment shader.
+ NEED_CHANGE, ///< Native image changes default fragment shader. We need another shader cache.
+ UNDECIDED, ///< Undecided.
+};
+} // namespace ChangeFragmentShader
+
+/**
+ * @brief Collection of current image visual feature. Only use for ImageVisualShaderFactory::GetShader()
+ */
+struct FeatureBuilder
+{
+ FeatureBuilder()
+ : mTextureAtlas(TextureAtlas::DISABLED),
+ mDefaultTextureWrapMode(DefaultTextureWrapMode::APPLY),
+ mRoundedCorner(RoundedCorner::DISABLED),
+ mBorderline(Borderline::DISABLED),
+ mTexture()
+ {
+ }
+
+ FeatureBuilder& EnableTextureAtlas(bool enableTextureAtlas);
+ FeatureBuilder& ApplyDefaultTextureWrapMode(bool applyDefaultTextureWrapMode);
+ FeatureBuilder& EnableRoundedCorner(bool enableRoundedCorner);
+ FeatureBuilder& EnableBorderline(bool enableBorderline);
+ FeatureBuilder& SetTextureForFragmentShaderCheck(const Dali::Texture& texture);
+
+ TextureAtlas::Type mTextureAtlas : 2; ///< Whether use texture with atlas, or not. default as TextureAtlas::DISABLED
+ DefaultTextureWrapMode::Type mDefaultTextureWrapMode : 2; ///< Whether apply to texture wraping in default, or not. default as DefaultTextureWrapMode::APPLY
+ RoundedCorner::Type mRoundedCorner : 2; ///< Whether use rounded corner, or not. default as RoundedCorner::DISABLED
+ Borderline::Type mBorderline : 2; ///< Whether use borderline, or not. default as Borderline::DISABLED
+ Dali::Texture mTexture; ///< Texture to check whether we need to change fragment shader or not
+};
+
+} // namespace ImageVisualShaderFactoryFeature
+
+/**
* ImageVisualShaderFactory is an object that provides and shares shaders between image visuals
*/
class ImageVisualShaderFactory
{
public:
-public:
-
/**
* @brief Constructor
*/
~ImageVisualShaderFactory();
/**
- * Get the standard image rendering shader.
+ * @brief Get the standard image rendering shader.
* @param[in] factoryCache A pointer pointing to the VisualFactoryCache object
- * @param[in] atlasing Whether texture atlasing is applied.
- * @param[in] defaultTextureWrapping Whether the default texture wrap mode is applied.
+ * @param[in] featureBuilder Collection of current image shader's features
+ * @return The standard image rendering shader with features.
*/
- Shader GetShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping );
+ Shader GetShader(VisualFactoryCache& factoryCache, const ImageVisualShaderFeature::FeatureBuilder& featureBuilder);
/**
- * Request the default vertex shader source.
+ * @brief Request the default vertex shader source.
* @return The default vertex shader source.
*/
- const char* GetVertexShaderSource();
+ std::string_view GetVertexShaderSource();
/**
- * Request the default fragment shader source.
+ * @brief Request the default fragment shader source.
* @return The default fragment shader source.
*/
- const char* GetFragmentShaderSource();
+ std::string_view GetFragmentShaderSource();
protected:
-
/**
* Undefined copy constructor.
*/
ImageVisualShaderFactory& operator=(const ImageVisualShaderFactory& rhs);
private:
+
+ /**
+ * @brief Cached information whether native image should change fragment shader.
+ * Default it is ChangeFragmentShader::UNDECIDED.
+ * If we have any chance to check native image source apply fragment shader,
+ * this vaule will be changed one of these : ChangeFragmentShader::DONT_CHANGE or ChangeFragmentShader::NEED_CHANGE
+ *
+ * After result cached, this value will not be changed.
+ *
+ * If value is DONT_CHANGE, ImageVisualShaderFactory::GetShader never call ApplyNativeFragmentShader.
+ * Else, ImageVisualShaderFactory::GetShader will call ApplyNativeFragmentShader if native image source texture come.
+ */
+ ImageVisualShaderFeature::ChangeFragmentShader::Type mFragmentShaderNeedChange : 3;
};
} // namespace Internal
projects / platform / core / uifw / dali-toolkit.git / blobdiff