Added rounded corner support to the image, video, animation, carousel and grid elements

es-core/src/ThemeData.cpp

@@ -118,6 +118,7 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"itemAxisRotation", FLOAT},
        {"imageFit", STRING},
        {"imageInterpolation", STRING},
+       {"imageCornerRadius", FLOAT},
        {"imageColor", COLOR},
        {"imageColorEnd", COLOR},
        {"imageGradientType", STRING},
@@ -184,6 +185,7 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"unfocusedItemDimming", FLOAT},
        {"imageFit", STRING},
        {"imageRelativeScale", FLOAT},
+       {"imageCornerRadius", FLOAT},
        {"imageColor", COLOR},
        {"imageColorEnd", COLOR},
        {"imageGradientType", STRING},
@@ -194,11 +196,13 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"imageSaturation", FLOAT},
        {"backgroundImage", PATH},
        {"backgroundRelativeScale", FLOAT},
+       {"backgroundCornerRadius", FLOAT},
        {"backgroundColor", COLOR},
        {"backgroundColorEnd", COLOR},
        {"backgroundGradientType", STRING},
        {"selectorImage", PATH},
        {"selectorRelativeScale", FLOAT},
+       {"selectorCornerRadius", FLOAT},
        {"selectorLayer", STRING},
        {"selectorColor", COLOR},
        {"selectorColorEnd", COLOR},
@@ -282,6 +286,7 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"tileHorizontalAlignment", STRING},
        {"tileVerticalAlignment", STRING},
        {"interpolation", STRING},
+       {"cornerRadius", FLOAT},
        {"color", COLOR},
        {"colorEnd", COLOR},
        {"gradientType", STRING},
@@ -309,6 +314,8 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"onIterationsDone", STRING},
        {"audio", BOOLEAN},
        {"interpolation", STRING},
+       {"imageCornerRadius", FLOAT},
+       {"videoCornerRadius", FLOAT},
        {"color", COLOR},
        {"colorEnd", COLOR},
        {"gradientType", STRING},
@@ -337,6 +344,7 @@ std::map<std::string, std::map<std::string, ThemeData::ElementPropertyType>>
        {"direction", STRING},
        {"iterationCount", UNSIGNED_INTEGER},
        {"interpolation", STRING},
+       {"cornerRadius", FLOAT},
        {"color", COLOR},
        {"colorEnd", COLOR},
        {"gradientType", STRING},

es-core/src/components/GIFAnimComponent.cpp

@@ -45,6 +45,7 @@ GIFAnimComponent::GIFAnimComponent()
     , mIterationCount {0}
     , mPlayCount {0}
     , mTargetIsMax {false}
+    , mCornerRadius {0.0f}
     , mColorShift {0xFFFFFFFF}
     , mColorShiftEnd {0xFFFFFFFF}
     , mColorGradientHorizontal {true}
@@ -372,6 +373,10 @@ void GIFAnimComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
             mIterationCount *= 2;
     }
 
+    if (elem->has("cornerRadius"))
+        mCornerRadius =
+            glm::clamp(elem->get<float>("cornerRadius"), 0.0f, 0.5f) * mRenderer->getScreenWidth();
+
     if (elem->has("interpolation")) {
         const std::string& interpolation {elem->get<std::string>("interpolation")};
         if (interpolation == "linear") {
@@ -588,6 +593,11 @@ void GIFAnimComponent::render(const glm::mat4& parentTrans)
         vertices->dimming = mDimming;
         vertices->shaderFlags = Renderer::ShaderFlags::PREMULTIPLIED;
 
+        if (mCornerRadius > 0.0f) {
+            vertices->cornerRadius = mCornerRadius;
+            vertices->shaderFlags = vertices->shaderFlags | Renderer::ShaderFlags::ROUNDED_CORNERS;
+        }
+
         // Render it.
         mRenderer->drawTriangleStrips(&vertices[0], 4);
     }

es-core/src/components/GIFAnimComponent.h

@@ -104,6 +104,7 @@ private:
     int mPlayCount;
     bool mTargetIsMax;
 
+    float mCornerRadius;
     unsigned int mColorShift;
     unsigned int mColorShiftEnd;
     bool mColorGradientHorizontal;

es-core/src/components/ImageComponent.cpp

@@ -29,7 +29,9 @@ ImageComponent::ImageComponent(bool forceLoad, bool dynamic)
     , mColorShiftEnd {0xFFFFFFFF}
     , mColorGradientHorizontal {true}
     , mFadeOpacity {0.0f}
+    , mCornerRadius {0.0f}
     , mReflectionsFalloff {0.0f}
+    , mCornerAntiAliasing {true}
     , mFading {false}
     , mForceLoad {forceLoad}
     , mDynamic {dynamic}
@@ -332,7 +334,6 @@ void ImageComponent::setSaturation(float saturation)
 
 void ImageComponent::setDimming(float dimming)
 {
-    // Set dimming value.
     mDimming = dimming;
 }
 
@@ -432,6 +433,18 @@ void ImageComponent::render(const glm::mat4& parentTrans)
             mVertices->dimming = mDimming;
             mVertices->reflectionsFalloff = mReflectionsFalloff;
 
+            if (mCornerRadius > 0.0f) {
+                mVertices->cornerRadius = mCornerRadius;
+                if (mCornerAntiAliasing) {
+                    mVertices->shaderFlags =
+                        mVertices->shaderFlags | Renderer::ShaderFlags::ROUNDED_CORNERS;
+                }
+                else {
+                    mVertices->shaderFlags =
+                        mVertices->shaderFlags | Renderer::ShaderFlags::ROUNDED_CORNERS_NO_AA;
+                }
+            }
+
             mVertices->shaderFlags = mVertices->shaderFlags | Renderer::ShaderFlags::PREMULTIPLIED;
             mRenderer->drawTriangleStrips(&mVertices[0], 4);
         }
@@ -535,6 +548,10 @@ void ImageComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
         }
     }
 
+    if (elem->has("cornerRadius"))
+        mCornerRadius =
+            glm::clamp(elem->get<float>("cornerRadius"), 0.0f, 0.5f) * mRenderer->getScreenWidth();
+
     if (properties && elem->has("imageType")) {
         std::string imageTypes {elem->get<std::string>("imageType")};
         for (auto& character : imageTypes) {

es-core/src/components/ImageComponent.h

@@ -89,6 +89,8 @@ public:
     void setSaturation(float saturation) override;
     void setDimming(float dimming) override;
     void setClipRegion(const glm::vec4& clipRegion);
+    void setCornerRadius(float radius) { mCornerRadius = radius; }
+    void setCornerAntiAliasing(bool state) { mCornerAntiAliasing = state; }
 
     void setReflectionsFalloff(float falloff) override { mReflectionsFalloff = falloff; }
     void setFlipX(bool state) override; // Mirror on the X axis.
@@ -159,7 +161,9 @@ private:
 
     std::shared_ptr<TextureResource> mTexture;
     float mFadeOpacity;
+    float mCornerRadius;
     float mReflectionsFalloff;
+    bool mCornerAntiAliasing;
     bool mFading;
     bool mForceLoad;
     bool mDynamic;

es-core/src/components/LottieAnimComponent.cpp

@@ -40,6 +40,7 @@ LottieAnimComponent::LottieAnimComponent()
     , mIterationCount {0}
     , mPlayCount {0}
     , mTargetIsMax {false}
+    , mCornerRadius {0.0f}
     , mColorShift {0xFFFFFFFF}
     , mColorShiftEnd {0xFFFFFFFF}
     , mColorGradientHorizontal {true}
@@ -342,6 +343,10 @@ void LottieAnimComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
             mIterationCount *= 2;
     }
 
+    if (elem->has("cornerRadius"))
+        mCornerRadius =
+            glm::clamp(elem->get<float>("cornerRadius"), 0.0f, 0.5f) * mRenderer->getScreenWidth();
+
     if (properties & COLOR) {
         if (elem->has("color")) {
             mColorShift = elem->get<unsigned int>("color");
@@ -579,6 +584,11 @@ void LottieAnimComponent::render(const glm::mat4& parentTrans)
         vertices->dimming = mDimming;
         vertices->shaderFlags = Renderer::ShaderFlags::PREMULTIPLIED;
 
+        if (mCornerRadius > 0.0f) {
+            vertices->cornerRadius = mCornerRadius;
+            vertices->shaderFlags = vertices->shaderFlags | Renderer::ShaderFlags::ROUNDED_CORNERS;
+        }
+
         // Render it.
         mRenderer->drawTriangleStrips(&vertices[0], 4);
     }

es-core/src/components/LottieAnimComponent.h

@@ -90,6 +90,7 @@ private:
     int mPlayCount;
     bool mTargetIsMax;
 
+    float mCornerRadius;
     unsigned int mColorShift;
     unsigned int mColorShiftEnd;
     bool mColorGradientHorizontal;

es-core/src/components/VideoComponent.cpp

@@ -16,14 +16,16 @@
 
 #include <SDL2/SDL_timer.h>
 
-#define SCREENSAVER_FADE_IN_TIME 1100
+#define SCREENSAVER_FADE_IN_TIME 900
 #define MEDIA_VIEWER_FADE_IN_TIME 600
 
 VideoComponent::VideoComponent()
-    : mVideoWidth {0}
+    : mRenderer {Renderer::getInstance()}
+    , mVideoWidth {0}
     , mVideoHeight {0}
     , mColorShift {0xFFFFFFFF}
     , mColorShiftEnd {0xFFFFFFFF}
+    , mVideoCornerRadius {0.0f}
     , mColorGradientHorizontal {true}
     , mTargetSize {0.0f, 0.0f}
     , mVideoAreaPos {0.0f, 0.0f}
@@ -131,7 +133,7 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
 
     glm::vec2 scale {getParent() ?
                          getParent()->getSize() :
-                         glm::vec2 {Renderer::getScreenWidth(), Renderer::getScreenHeight()}};
+                         glm::vec2 {mRenderer->getScreenWidth(), mRenderer->getScreenHeight()}};
 
     if (properties & ThemeFlags::SIZE) {
         if (elem->has("size")) {
@@ -225,6 +227,14 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
         }
     }
 
+    if (elem->has("imageCornerRadius"))
+        mStaticImage.setCornerRadius(glm::clamp(elem->get<float>("imageCornerRadius"), 0.0f, 0.5f) *
+                                     mRenderer->getScreenWidth());
+
+    if (elem->has("videoCornerRadius"))
+        mVideoCornerRadius = glm::clamp(elem->get<float>("videoCornerRadius"), 0.0f, 0.5f) *
+                             mRenderer->getScreenWidth();
+
     if (elem->has("default")) {
         const std::string defaultVideo {elem->get<std::string>("default")};
         if (ResourceManager::getInstance().fileExists(defaultVideo)) {
@@ -332,6 +342,14 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
     if (elem->has("pillarboxes"))
         mDrawPillarboxes = elem->get<bool>("pillarboxes");
 
+    // The black frame is rendered behind all videos and may be expanded to render pillarboxes
+    // or letterboxes.
+    mBlackFrame.setZIndex(mZIndex);
+    mBlackFrame.setCornerRadius(mVideoCornerRadius);
+    mBlackFrame.setCornerAntiAliasing(false);
+    mBlackFrame.setColorShift(0x000000FF);
+    mBlackFrame.setImage(":/graphics/white.png");
+
     if (elem->has("pillarboxThreshold")) {
         const glm::vec2 pillarboxThreshold {elem->get<glm::vec2>("pillarboxThreshold")};
         mPillarboxThreshold.x = glm::clamp(pillarboxThreshold.x, 0.2f, 1.0f);

es-core/src/components/VideoComponent.h

@@ -99,12 +99,15 @@ protected:
         IMAGE
     };
 
+    Renderer* mRenderer;
     ImageComponent mStaticImage;
+    ImageComponent mBlackFrame;
 
     unsigned mVideoWidth;
     unsigned mVideoHeight;
     unsigned int mColorShift;
     unsigned int mColorShiftEnd;
+    float mVideoCornerRadius;
     bool mColorGradientHorizontal;
     glm::vec2 mTargetSize;
     glm::vec2 mVideoAreaPos;

es-core/src/components/VideoFFmpegComponent.cpp

@@ -30,8 +30,7 @@
 #endif
 
 VideoFFmpegComponent::VideoFFmpegComponent()
-    : mRenderer {Renderer::getInstance()}
+    : mBlackFrameOffset {0.0f, 0.0f}
-    , mRectangleOffset {0.0f, 0.0f}
     , mFrameProcessingThread {nullptr}
     , mFormatContext {nullptr}
     , mVideoStream {nullptr}
@@ -176,31 +175,23 @@ void VideoFFmpegComponent::render(const glm::mat4& parentTrans)
 
     if (mIsPlaying && mFormatContext) {
         Renderer::Vertex vertices[4];
-        mRenderer->setMatrix(trans);
 
-        unsigned int rectColor {0x000000FF};
+        if (!mScreensaverMode && !mMediaViewerMode) {
-
+            mBlackFrame.setOpacity(mOpacity * mThemeOpacity);
-        if (!mGeneralFade && mThemeOpacity != 1.0f)
+            mBlackFrame.render(trans);
-            rectColor = static_cast<int>(mThemeOpacity * 255.0f);
-        if (mGeneralFade && (mOpacity != 1.0f || mThemeOpacity != 1.0f))
-            rectColor = static_cast<int>(mFadeIn * mOpacity * mThemeOpacity * 255.0f);
-
-        // Render the black rectangle behind the video.
-        if (mVideoRectangleCoords.size() == 4) {
-            mRenderer->drawRect(mVideoRectangleCoords[0], mVideoRectangleCoords[1],
-                                mVideoRectangleCoords[2], mVideoRectangleCoords[3], // Line break.
-                                rectColor, rectColor);
         }
 
+        mRenderer->setMatrix(trans);
+
         // This is needed to avoid a slight gap before the video starts playing.
         if (!mDecodedFrame)
             return;
 
         // clang-format off
-        vertices[0] = {{0.0f + mRectangleOffset.x,    0.0f + mRectangleOffset.y     }, {mTopLeftCrop.x,            1.0f - mBottomRightCrop.y}, 0xFFFFFFFF};
+        vertices[0] = {{0.0f + mBlackFrameOffset.x,    0.0f + mBlackFrameOffset.y     }, {mTopLeftCrop.x,            1.0f - mBottomRightCrop.y}, 0xFFFFFFFF};
-        vertices[1] = {{0.0f + mRectangleOffset.x,    mSize.y + mRectangleOffset.y  }, {mTopLeftCrop.x,            1.0f - mTopLeftCrop.y    }, 0xFFFFFFFF};
+        vertices[1] = {{0.0f + mBlackFrameOffset.x,    mSize.y + mBlackFrameOffset.y  }, {mTopLeftCrop.x,            1.0f - mTopLeftCrop.y    }, 0xFFFFFFFF};
-        vertices[2] = {{mSize.x + mRectangleOffset.x, 0.0f + + mRectangleOffset.y   }, {mBottomRightCrop.x * 1.0f, 1.0f - mBottomRightCrop.y}, 0xFFFFFFFF};
+        vertices[2] = {{mSize.x + mBlackFrameOffset.x, 0.0f + + mBlackFrameOffset.y   }, {mBottomRightCrop.x * 1.0f, 1.0f - mBottomRightCrop.y}, 0xFFFFFFFF};
-        vertices[3] = {{mSize.x + mRectangleOffset.x, mSize.y + + mRectangleOffset.y}, {mBottomRightCrop.x * 1.0f, 1.0f - mTopLeftCrop.y    }, 0xFFFFFFFF};
+        vertices[3] = {{mSize.x + mBlackFrameOffset.x, mSize.y + + mBlackFrameOffset.y}, {mBottomRightCrop.x * 1.0f, 1.0f - mTopLeftCrop.y    }, 0xFFFFFFFF};
         // clang-format on
 
         vertices[0].color = mColorShift;
@@ -213,12 +204,22 @@ void VideoFFmpegComponent::render(const glm::mat4& parentTrans)
             vertices[i].position = glm::round(vertices[i].position);
 
         if (mFadeIn < 1.0f || mThemeOpacity < 1.0f)
-            vertices->opacity = mFadeIn * mThemeOpacity;
+            vertices->opacity = mOpacity * mThemeOpacity;
 
         vertices->brightness = mBrightness;
         vertices->saturation = mSaturation * mThemeSaturation;
+        vertices->saturation = 1.0f;
         vertices->dimming = mDimming;
 
+        if (mVideoCornerRadius > 0.0f) {
+            // We don't want to apply anti-aliasing to rounded corners as the black frame is
+            // rendered behind the video and that would generate ugly edge artifacts for any
+            // videos with lighter content.
+            vertices->cornerRadius = mVideoCornerRadius;
+            vertices->shaderFlags =
+                vertices->shaderFlags | Renderer::ShaderFlags::ROUNDED_CORNERS_NO_AA;
+        }
+
         std::unique_lock<std::mutex> pictureLock {mPictureMutex};
 
         if (!mOutputPicture.hasBeenRendered) {
@@ -266,6 +267,9 @@ void VideoFFmpegComponent::render(const glm::mat4& parentTrans)
             if (mRenderScanlines)
                 vertices[0].shaders = Renderer::Shader::SCANLINES;
         }
+        else {
+            vertices[0].opacity = mFadeIn;
+        }
 
         mRenderer->drawTriangleStrips(&vertices[0], 4, Renderer::BlendFactor::SRC_ALPHA,
                                       Renderer::BlendFactor::ONE_MINUS_SRC_ALPHA);
@@ -985,22 +989,24 @@ void VideoFFmpegComponent::outputFrames()
         mEndOfVideo = true;
 }
 
-void VideoFFmpegComponent::calculateBlackRectangle()
+void VideoFFmpegComponent::calculateBlackFrame()
 {
-    // Calculate the position and size for the black rectangle that will be rendered behind
+    // Calculate the position and size for the black frame image that will be rendered behind
     // videos. If the option to display pillarboxes (and letterboxes) is enabled, then this
-    // would extend to the entire video area (if above the threshold as defined below) or
+    // would extend to the entire video area (if above the threshold as explained below) or
-    // otherwise it will exactly match the video size. The reason to add a black rectangle
+    // otherwise it will exactly match the video size. The reason to add a black frame behind
-    // behind videos in this second instance is that the scanline rendering will make the
+    // videos in this second instance is that the scanline rendering will make the video
-    // video partially transparent so this may avoid some unforseen issues with some themes.
+    // partially transparent so this may avoid some unforseen issues with some themes.
+    // Another reason is that it always take a short while to initiate the video player which
+    // means no video texture is rendered for that brief moment, and it looks better to draw
+    // the black frame during this time period as most game videos also fade in from black.
     // In general, adding very narrow pillarboxes or letterboxes doesn't look good, so by
     // default this is not done unless the size of the video vs the overall video area is
     // above the threshold defined by mPillarboxThreshold. By default this is set to 0.85
     // for the X axis and 0.90 for the Y axis, but this is theme-controllable via the
     // pillarboxThreshold property.
     if (mVideoAreaPos != glm::vec2 {0.0f, 0.0f} && mVideoAreaSize != glm::vec2 {0.0f, 0.0f}) {
-        mVideoRectangleCoords.clear();
+        mBlackFrameOffset = {0.0f, 0.0f};
-        mRectangleOffset = {0.0f, 0.0f};
 
         if (mDrawPillarboxes) {
             float rectHeight {0.0f};
@@ -1037,26 +1043,23 @@ void VideoFFmpegComponent::calculateBlackRectangle()
             // the video correctly.
             if (mOrigin != glm::vec2 {0.5f, 0.5f}) {
                 if (rectWidth > mSize.x)
-                    mRectangleOffset.x -= (rectWidth - mSize.x) * (mOrigin.x - 0.5f);
+                    mBlackFrameOffset.x -= (rectWidth - mSize.x) * (mOrigin.x - 0.5f);
                 else if (rectHeight > mSize.y)
-                    mRectangleOffset.y -= (rectHeight - mSize.y) * (mOrigin.y - 0.5f);
+                    mBlackFrameOffset.y -= (rectHeight - mSize.y) * (mOrigin.y - 0.5f);
             }
 
-            // Populate the rectangle coordinates to be used in render().
+            // Set the black frame position and size.
             const float offsetX {rectWidth - mSize.x};
             const float offsetY {rectHeight - mSize.y};
-            mVideoRectangleCoords.emplace_back(std::round((-offsetX / 2.0f) + mRectangleOffset.x));
+            mBlackFrame.setPosition((-offsetX / 2.0f) + mBlackFrameOffset.x,
-            mVideoRectangleCoords.emplace_back(std::round((-offsetY / 2.0f) + mRectangleOffset.y));
+                                    (-offsetY / 2.0f) + mBlackFrameOffset.y);
-            mVideoRectangleCoords.emplace_back(std::round(rectWidth));
+            mBlackFrame.setResize(rectWidth, rectHeight);
-            mVideoRectangleCoords.emplace_back(std::round(rectHeight));
         }
-        // If the option to display pillarboxes is disabled, then make the rectangle equivalent
-        // to the size of the video.
         else {
-            mVideoRectangleCoords.emplace_back(0.0f);
+            // If the option to display pillarboxes is disabled, then set the black frame to the
-            mVideoRectangleCoords.emplace_back(0.0f);
+            // same position and size as the video.
-            mVideoRectangleCoords.emplace_back(std::round(mSize.x));
+            mBlackFrame.setPosition(0.0f, 0.0f);
-            mVideoRectangleCoords.emplace_back(std::round(mSize.y));
+            mBlackFrame.setResize(mSize.x, mSize.y);
         }
     }
 }
@@ -1553,8 +1556,7 @@ void VideoFFmpegComponent::startVideoStream()
         // the video screeensaver.
         resize();
 
-        // Calculate pillarbox/letterbox sizes.
+        calculateBlackFrame();
-        calculateBlackRectangle();
 
         mFadeIn = 0.0f;
     }

es-core/src/components/VideoFFmpegComponent.h

@@ -82,15 +82,14 @@ private:
     // Output frames to AudioManager and to the video surface (via the main thread).
     void outputFrames();
 
-    // Calculate the black rectangle that is shown behind videos with non-standard aspect ratios.
+    // Calculate the black frame that is rendered behind all videos and which may also be
-    void calculateBlackRectangle();
+    // adding pillarboxes/letterboxes.
+    void calculateBlackFrame();
 
     // Detect and initialize the hardware decoder.
     static void detectHWDecoder();
     bool decoderInitHW();
 
-    Renderer* mRenderer;
-
     // clang-format off
     static inline enum AVHWDeviceType sDeviceType {AV_HWDEVICE_TYPE_NONE};
     static inline enum AVPixelFormat sPixelFormat {AV_PIX_FMT_NONE};
@@ -99,8 +98,7 @@ private:
     static inline std::vector<std::string> sHWDecodedVideos;
 
     std::shared_ptr<TextureResource> mTexture;
-    std::vector<float> mVideoRectangleCoords;
+    glm::vec2 mBlackFrameOffset;
-    glm::vec2 mRectangleOffset;
 
     std::unique_ptr<std::thread> mFrameProcessingThread;
     std::mutex mPictureMutex;

es-core/src/components/primary/CarouselComponent.h

@@ -166,6 +166,7 @@ private:
     bool mItemAxisHorizontal;
     float mItemAxisRotation;
     bool mLinearInterpolation;
+    float mImageCornerRadius;
     unsigned int mImageColorShift;
     unsigned int mImageColorShiftEnd;
     bool mImageColorGradientHorizontal;
@@ -241,6 +242,7 @@ CarouselComponent<T>::CarouselComponent()
     , mItemAxisHorizontal {false}
     , mItemAxisRotation {0.0f}
     , mLinearInterpolation {false}
+    , mImageCornerRadius {0.0f}
     , mImageColorShift {0xFFFFFFFF}
     , mImageColorShiftEnd {0xFFFFFFFF}
     , mImageColorGradientHorizontal {true}
@@ -309,6 +311,7 @@ void CarouselComponent<T>::addEntry(Entry& entry, const std::shared_ptr<ThemeDat
             item->setResize(glm::round(mItemSize * (mItemScale >= 1.0f ? mItemScale : 1.0f)));
         else if (mImagefit == ImageFit::COVER)
             item->setCroppedSize(glm::round(mItemSize * (mItemScale >= 1.0f ? mItemScale : 1.0f)));
+        item->setCornerRadius(mImageCornerRadius);
         item->setImage(entry.data.imagePath);
         item->applyTheme(theme, "system", "", ThemeFlags::ALL);
         if (mImageBrightness != 0.0)
@@ -339,6 +342,7 @@ void CarouselComponent<T>::addEntry(Entry& entry, const std::shared_ptr<ThemeDat
             else if (mImagefit == ImageFit::COVER)
                 mDefaultImage->setCroppedSize(
                     glm::round(mItemSize * (mItemScale >= 1.0f ? mItemScale : 1.0f)));
+            mDefaultImage->setCornerRadius(mImageCornerRadius);
             mDefaultImage->setImage(entry.data.defaultImagePath);
             mDefaultImage->applyTheme(theme, "system", "", ThemeFlags::ALL);
             if (mImageBrightness != 0.0)
@@ -413,6 +417,7 @@ void CarouselComponent<T>::updateEntry(Entry& entry, const std::shared_ptr<Theme
             item->setResize(glm::round(mItemSize * (mItemScale >= 1.0f ? mItemScale : 1.0f)));
         else if (mImagefit == ImageFit::COVER)
             item->setCroppedSize(glm::round(mItemSize * (mItemScale >= 1.0f ? mItemScale : 1.0f)));
+        item->setCornerRadius(mImageCornerRadius);
         item->setImage(entry.data.imagePath);
         item->applyTheme(theme, "system", "", ThemeFlags::ALL);
         if (mImageBrightness != 0.0)
@@ -1429,6 +1434,10 @@ void CarouselComponent<T>::applyTheme(const std::shared_ptr<ThemeData>& theme,
         }
     }
 
+    if (elem->has("imageCornerRadius"))
+        mImageCornerRadius = glm::clamp(elem->get<float>("imageCornerRadius"), 0.0f, 0.5f) *
+                             (mItemScale >= 1.0f ? mItemScale : 1.0f) * mRenderer->getScreenWidth();
+
     mImageSelectedColor = mImageColorShift;
     mImageSelectedColorEnd = mImageColorShiftEnd;
 

es-core/src/components/primary/GridComponent.h

@@ -162,6 +162,7 @@ private:
     float mUnfocusedItemDimming;
     ImageFit mImagefit;
     float mImageRelativeScale;
+    float mImageCornerRadius;
     unsigned int mImageColor;
     unsigned int mImageColorEnd;
     bool mImageColorGradientHorizontal;
@@ -238,6 +239,7 @@ GridComponent<T>::GridComponent()
     , mUnfocusedItemDimming {1.0f}
     , mImagefit {ImageFit::CONTAIN}
     , mImageRelativeScale {1.0f}
+    , mImageCornerRadius {0.0f}
     , mImageColor {0xFFFFFFFF}
     , mImageColorEnd {0xFFFFFFFF}
     , mImageColorGradientHorizontal {true}
@@ -306,6 +308,7 @@ void GridComponent<T>::addEntry(Entry& entry, const std::shared_ptr<ThemeData>&
             item->setResize(mItemSize * mImageRelativeScale);
         else if (mImagefit == ImageFit::COVER)
             item->setCroppedSize(mItemSize * mImageRelativeScale);
+        item->setCornerRadius(mImageCornerRadius);
         item->setImage(entry.data.imagePath);
         item->applyTheme(theme, "system", "", ThemeFlags::ALL);
         if (mImageBrightness != 0.0)
@@ -338,6 +341,7 @@ void GridComponent<T>::addEntry(Entry& entry, const std::shared_ptr<ThemeData>&
                 mDefaultImage->setResize(mItemSize * mImageRelativeScale);
             else if (mImagefit == ImageFit::COVER)
                 mDefaultImage->setCroppedSize(mItemSize * mImageRelativeScale);
+            mDefaultImage->setCornerRadius(mImageCornerRadius);
             mDefaultImage->setImage(entry.data.defaultImagePath);
             mDefaultImage->applyTheme(theme, "system", "", ThemeFlags::ALL);
             if (mImageBrightness != 0.0)
@@ -395,6 +399,7 @@ void GridComponent<T>::updateEntry(Entry& entry, const std::shared_ptr<ThemeData
             item->setResize(mItemSize * mImageRelativeScale);
         else if (mImagefit == ImageFit::COVER)
             item->setCroppedSize(mItemSize * mImageRelativeScale);
+        item->setCornerRadius(mImageCornerRadius);
         item->setImage(entry.data.imagePath);
         item->applyTheme(theme, "system", "", ThemeFlags::ALL);
         if (mImageBrightness != 0.0)
@@ -1121,6 +1126,12 @@ void GridComponent<T>::applyTheme(const std::shared_ptr<ThemeData>& theme,
                         mBackgroundImage->setColorGradientHorizontal(false);
                 }
             }
+            float backgroundCornerRadius {0.0f};
+            if (elem->has("backgroundCornerRadius"))
+                backgroundCornerRadius =
+                    glm::clamp(elem->get<float>("backgroundCornerRadius"), 0.0f, 0.5f) *
+                    (mItemScale >= 1.0f ? mItemScale : 1.0f) * mRenderer->getScreenWidth();
+            mBackgroundImage->setCornerRadius(backgroundCornerRadius);
             mBackgroundImage->setImage(elem->get<std::string>("backgroundImage"));
             mBackgroundImagePath = path;
         }
@@ -1146,6 +1157,12 @@ void GridComponent<T>::applyTheme(const std::shared_ptr<ThemeData>& theme,
                         mSelectorImage->setColorGradientHorizontal(false);
                 }
             }
+            float selectorCornerRadius {0.0f};
+            if (elem->has("selectorCornerRadius"))
+                selectorCornerRadius =
+                    glm::clamp(elem->get<float>("selectorCornerRadius"), 0.0f, 0.5f) *
+                    (mItemScale >= 1.0f ? mItemScale : 1.0f) * mRenderer->getScreenWidth();
+            mSelectorImage->setCornerRadius(selectorCornerRadius);
             mSelectorImage->setImage(elem->get<std::string>("selectorImage"));
             mSelectorImagePath = path;
         }
@@ -1236,6 +1253,10 @@ void GridComponent<T>::applyTheme(const std::shared_ptr<ThemeData>& theme,
         mItemSpacing.y = ((mItemSize.y * mItemScale) - mItemSize.y) / 2.0f;
     }
 
+    if (elem->has("imageCornerRadius"))
+        mImageCornerRadius = glm::clamp(elem->get<float>("imageCornerRadius"), 0.0f, 0.5f) *
+                             (mItemScale >= 1.0f ? mItemScale : 1.0f) * mRenderer->getScreenWidth();
+
     if (elem->has("imageColor")) {
         mImageColor = elem->get<unsigned int>("imageColor");
         mImageColorEnd = mImageColor;

es-core/src/renderers/Renderer.h

@@ -53,7 +53,9 @@ public:
         FONT_TEXTURE          = 0x00000002,
         POST_PROCESSING       = 0x00000004,
         CLIPPING              = 0x00000008,
-        ROTATED         = 0x00000010  // Screen rotated 90 or 270 degrees.
+        ROTATED               = 0x00000010, // Screen rotated 90 or 270 degrees.
+        ROUNDED_CORNERS       = 0x00000020,
+        ROUNDED_CORNERS_NO_AA = 0x00000040
     };
     // clang-format on
 
@@ -66,6 +68,7 @@ public:
         float opacity;
         float saturation;
         float dimming;
+        float cornerRadius;
         float reflectionsFalloff;
         float blurStrength;
         unsigned int shaders;
@@ -76,6 +79,7 @@ public:
             , opacity {1.0f}
             , saturation {1.0f}
             , dimming {1.0f}
+            , cornerRadius {0.0f}
             , reflectionsFalloff {0.0f}
             , blurStrength {0.0f}
             , shaders {0}
@@ -95,6 +99,7 @@ public:
             , opacity {1.0f}
             , saturation {1.0f}
             , dimming {1.0f}
+            , cornerRadius {0.0f}
             , reflectionsFalloff {0.0f}
             , blurStrength {0.0f}
             , shaders {0}

es-core/src/renderers/RendererOpenGL.cpp

@@ -505,6 +505,11 @@ void RendererOpenGL::drawTriangleStrips(const Vertex* vertices,
             mCoreShader->setOpacity(vertices->opacity);
             mCoreShader->setSaturation(vertices->saturation);
             mCoreShader->setDimming(vertices->dimming);
+            if (vertices->shaderFlags & ShaderFlags::ROUNDED_CORNERS ||
+                vertices->shaderFlags & ShaderFlags::ROUNDED_CORNERS_NO_AA) {
+                mCoreShader->setTextureSize({width, height});
+                mCoreShader->setCornerRadius(vertices->cornerRadius);
+            }
             mCoreShader->setReflectionsFalloff(vertices->reflectionsFalloff);
             mCoreShader->setFlags(vertices->shaderFlags);
             GL_CHECK_ERROR(glDrawArrays(GL_TRIANGLE_STRIP, 0, numVertices));

es-core/src/renderers/ShaderOpenGL.cpp

@@ -23,6 +23,7 @@ ShaderOpenGL::ShaderOpenGL()
     , mShaderOpacity {0}
     , mShaderSaturation {0}
     , mShaderDimming {0}
+    , mCornerRadius {0}
     , mShaderReflectionsFalloff {0}
     , mBlurStrength {0}
     , mShaderFlags {0}
@@ -128,6 +129,7 @@ void ShaderOpenGL::getVariableLocations(GLuint programID)
     mShaderOpacity = glGetUniformLocation(mProgramID, "opacity");
     mShaderSaturation = glGetUniformLocation(mProgramID, "saturation");
     mShaderDimming = glGetUniformLocation(mProgramID, "dimming");
+    mCornerRadius = glGetUniformLocation(mProgramID, "cornerRadius");
     mShaderReflectionsFalloff = glGetUniformLocation(mProgramID, "reflectionsFalloff");
     mBlurStrength = glGetUniformLocation(mProgramID, "blurStrength");
     mShaderFlags = glGetUniformLocation(mProgramID, "shaderFlags");
@@ -194,6 +196,12 @@ void ShaderOpenGL::setDimming(GLfloat dimming)
         GL_CHECK_ERROR(glUniform1f(mShaderDimming, dimming));
 }
 
+void ShaderOpenGL::setCornerRadius(GLfloat cornerRadius)
+{
+    if (mCornerRadius != -1)
+        GL_CHECK_ERROR(glUniform1f(mCornerRadius, cornerRadius));
+}
+
 void ShaderOpenGL::setReflectionsFalloff(GLfloat falloff)
 {
     if (mShaderReflectionsFalloff != -1)

es-core/src/renderers/ShaderOpenGL.h

@@ -73,6 +73,7 @@ public:
     void setOpacity(GLfloat opacity);
     void setSaturation(GLfloat saturation);
     void setDimming(GLfloat dimming);
+    void setCornerRadius(GLfloat cornerRadius);
     void setReflectionsFalloff(GLfloat falloff);
     void setBlurStrength(GLfloat blurStrength);
     void setFlags(GLuint flags);
@@ -101,6 +102,7 @@ private:
     GLint mShaderOpacity;
     GLint mShaderSaturation;
     GLint mShaderDimming;
+    GLint mCornerRadius;
     GLint mShaderReflectionsFalloff;
     GLint mBlurStrength;
     GLint mShaderFlags;

resources/shaders/glsl/blur_horizontal.glsl

@@ -39,6 +39,8 @@ out vec4 FragColor;
 // 0x00000004 - Post processing
 // 0x00000008 - Clipping
 // 0x00000010 - Screen rotated 90 or 270 degrees
+// 0x00000020 - Rounded corners
+// 0x00000040 - Rounded corners with no anti-aliasing
 
 void main()
 {

resources/shaders/glsl/blur_vertical.glsl

@@ -39,6 +39,8 @@ out vec4 FragColor;
 // 0x00000004 - Post processing
 // 0x00000008 - Clipping
 // 0x00000010 - Screen rotated 90 or 270 degrees
+// 0x00000020 - Rounded corners
+// 0x00000040 - Rounded corners with no anti-aliasing
 
 void main()
 {

resources/shaders/glsl/core.glsl

@@ -3,8 +3,7 @@
 //  EmulationStation Desktop Edition
 //  core.glsl
 //
-//  Core shader functionality:
+//  Core shader functionality.
-//  Clipping, brightness, saturation, opacity, dimming and reflections falloff.
 //
 
 // Vertex section of code:
@@ -38,11 +37,13 @@ in vec2 position;
 in vec2 texCoord;
 in vec4 color;
 
+uniform vec2 textureSize;
 uniform vec4 clipRegion;
 uniform float brightness;
 uniform float saturation;
 uniform float opacity;
 uniform float dimming;
+uniform float cornerRadius;
 uniform float reflectionsFalloff;
 uniform uint shaderFlags;
 
@@ -55,6 +56,8 @@ out vec4 FragColor;
 // 0x00000004 - Post processing
 // 0x00000008 - Clipping
 // 0x00000010 - Screen rotated 90 or 270 degrees
+// 0x00000020 - Rounded corners
+// 0x00000040 - Rounded corners with no anti-aliasing
 
 void main()
 {
@@ -72,6 +75,34 @@ void main()
 
     vec4 sampledColor = texture(textureSampler, texCoord);
 
+    // Rounded corners.
+    if (0x0u != (shaderFlags & 0x20u) || 0x0u != (shaderFlags & 0x40u)) {
+        float radius = cornerRadius;
+        // Don't go beyond half the width and height.
+        if (radius > textureSize.x / 2.0)
+            radius = textureSize.x / 2.0;
+        if (radius > textureSize.y / 2.0)
+            radius = textureSize.y / 2.0;
+
+        vec2 q = abs(position - textureSize / 2.0) -
+                 (vec2(textureSize.x / 2.0, textureSize.y / 2.0) - radius);
+        float pixelDistance = length(max(q, 0.0)) + min(max(q.x, q.y), 0.0) - radius;
+
+        if (pixelDistance > 0.0) {
+            discard;
+        }
+        else {
+            float pixelValue;
+            if (0x0u != (shaderFlags & 0x20u))
+                pixelValue = 1.0 - smoothstep(-0.75, 0.5, pixelDistance);
+            else
+                pixelValue = 1.0;
+
+            sampledColor.a *= pixelValue;
+            sampledColor.rgb *= pixelValue;
+        }
+    }
+
     // Brightness.
     if (brightness != 0.0) {
         sampledColor.rgb /= sampledColor.a;

resources/shaders/glsl/scanlines.glsl

@@ -100,6 +100,8 @@ uniform float OutputGamma;
 // 0x00000004 - Post processing
 // 0x00000008 - Clipping
 // 0x00000010 - Screen rotated 90 or 270 degrees
+// 0x00000020 - Rounded corners
+// 0x00000040 - Rounded corners with no anti-aliasing
 
 void main()
 {