implement the new pixelRatio per node

android/src/main/java/com/projectseptember/RNGL/GLCanvas.java

@@ -70,6 +70,9 @@ public class GLCanvas extends GLSurfaceView
     private ExecutorSupplier executorSupplier;
     private final Queue<Runnable> mRunOnDraw = new LinkedList<>();
     private boolean captureFrameRequested = false;
+    private float pixelRatio;
+
+    private float displayDensity;
 
     public GLCanvas(ThemedReactContext context, ExecutorSupplier executorSupplier) {
         super(context);
@@ -78,6 +81,10 @@ public class GLCanvas extends GLSurfaceView
         rnglContext = context.getNativeModule(RNGLContext.class);
         setEGLContextClientVersion(2);
 
+        DisplayMetrics dm = reactContext.getResources().getDisplayMetrics();
+        displayDensity = dm.density;
+        pixelRatio = dm.density;
+
         setEGLConfigChooser(8, 8, 8, 8, 16, 0);
         getHolder().setFormat(PixelFormat.RGB_888);
         setZOrderOnTop(true);
@@ -123,6 +130,12 @@ public class GLCanvas extends GLSurfaceView
     @Override
     public void onSurfaceChanged(GL10 gl, int width, int height) {}
 
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        syncSize(w, h, pixelRatio);
+    }
+
     @Override
     public void onDrawFrame(GL10 gl) {
         runAll(mRunOnDraw);
@@ -525,8 +538,8 @@ public class GLCanvas extends GLSurfaceView
                 uniformsIntBuffer,
                 uniformsFloatBuffer,
                 textures,
-                data.width,
-                data.height,
+                (int)(data.width * data.pixelRatio),
+                (int)(data.height * data.pixelRatio),
                 data.fboId,
                 contextChildren,
                 children);
@@ -598,11 +611,8 @@ public class GLCanvas extends GLSurfaceView
     }
 
     private void recRender (GLRenderData renderData) {
-        DisplayMetrics dm = reactContext.getResources().getDisplayMetrics();
-
-        int w = Float.valueOf(renderData.width.floatValue() * dm.density).intValue();
-        int h = Float.valueOf(renderData.height.floatValue() * dm.density).intValue();
-
+        int w = renderData.width;
+        int h = renderData.height;
         for (GLRenderData child: renderData.contextChildren)
             recRender(child);
 
@@ -751,4 +761,16 @@ public class GLCanvas extends GLSurfaceView
         d.removeAll(b);
         return d;
     }
+
+
+    public void setPixelRatio(float pixelRatio) {
+        this.pixelRatio = pixelRatio;
+        syncSize(this.getWidth(), this.getHeight(), pixelRatio);
+    }
+
+    private void syncSize (int w, int h, float pixelRatio) {
+        int width  = (int) (w * pixelRatio / displayDensity);
+        int height = (int) (h * pixelRatio / displayDensity);
+        getHolder().setFixedSize(width, height);
+    }
 }

android/src/main/java/com/projectseptember/RNGL/GLCanvasManager.java

@@ -27,6 +27,11 @@ public class GLCanvasManager extends SimpleViewManager<GLCanvas> {
 
     private ExecutorSupplier executorSupplier;
 
+    @ReactProp(name="pixelRatio")
+    public void setPixelRatio (GLCanvas view, float pixelRatio) {
+        view.setPixelRatio(pixelRatio);
+    }
+
     @ReactProp(name="nbContentTextures")
     public void setNbContentTextures (GLCanvas view, int nbContentTextures) {
         view.setNbContentTextures(nbContentTextures);

android/src/main/java/com/projectseptember/RNGL/GLData.java

@@ -10,17 +10,19 @@ public class GLData {
 
     final Integer shader;
     final ReadableMap uniforms;
-    final Integer width;
-    final Integer height;
+    final Double width;
+    final Double height;
+    final Double pixelRatio;
     final Integer fboId;
     final List<GLData> contextChildren;
     final List<GLData> children;
 
-    public GLData(Integer shader, ReadableMap uniforms, Integer width, Integer height, Integer fboId, List<GLData> contextChildren, List<GLData> children) {
+    public GLData(Integer shader, ReadableMap uniforms, Double width, Double height, Double pixelRatio, Integer fboId, List<GLData> contextChildren, List<GLData> children) {
         this.shader = shader;
         this.uniforms = uniforms;
         this.width = width;
         this.height = height;
+        this.pixelRatio = pixelRatio;
         this.fboId = fboId;
         this.contextChildren = contextChildren;
         this.children = children;
@@ -37,11 +39,12 @@ public class GLData {
     public static GLData fromMap (ReadableMap map) {
         Integer shader = map.getInt("shader");
         ReadableMap uniforms = map.getMap("uniforms");
-        Integer width = (int) map.getDouble("width");
-        Integer height = (int) map.getDouble("height");
+        Double width = map.getDouble("width");
+        Double height = map.getDouble("height");
+        Double pixelRatio = map.getDouble("pixelRatio");
         Integer fboId = map.getInt("fboId");
         List<GLData> children = fromArray(map.getArray("children"));
         List<GLData> contextChildren = fromArray(map.getArray("contextChildren"));
-        return new GLData(shader, uniforms, width, height, fboId, contextChildren, children);
+        return new GLData(shader, uniforms, width, height, pixelRatio, fboId, contextChildren, children);
     }
 }

ios/GLCanvas.m

@@ -178,6 +178,7 @@ RCT_NOT_IMPLEMENTED(-init)
     weak_traverseTree = traverseTree = ^GLRenderData *(GLData *data) {
       NSNumber *width = data.width;
       NSNumber *height = data.height;
+      NSNumber *pixelRatio = data.pixelRatio;
       int fboId = [data.fboId intValue];
 
       NSMutableArray *contextChildren = [[NSMutableArray alloc] init];
@@ -275,8 +276,8 @@ RCT_NOT_IMPLEMENTED(-init)
               initWithShader:shader
               withUniforms:uniforms
               withTextures:textures
-              withWidth:width
-              withHeight:height
+              withWidth:(int)([width floatValue] * [pixelRatio floatValue])
+              withHeight:(int)([height floatValue] * [pixelRatio floatValue])
               withFboId:fboId
               withContextChildren:contextChildren
               withChildren:children];
@@ -404,16 +405,14 @@ RCT_NOT_IMPLEMENTED(-init)
   GLRenderData *rd = _renderData;
   if (!rd) return;
   RCT_PROFILE_BEGIN_EVENT(0, @"GLCanvas render", nil);
-  CGFloat scale = self.contentScaleFactor;
 
   @autoreleasepool {
-    CGFloat scale = RCTScreenScale();
 
     void (^recDraw) (GLRenderData *renderData);
     __block __weak void (^weak_recDraw) (GLRenderData *renderData);
     weak_recDraw = recDraw = ^void(GLRenderData *renderData) {
-      float w = [renderData.width floatValue] * scale;
-      float h = [renderData.height floatValue] * scale;
+      int w = renderData.width;
+      int h = renderData.height;
 
       for (GLRenderData *child in renderData.contextChildren)
         weak_recDraw(child);

ios/GLData.h

@@ -8,6 +8,7 @@
 @property (nonatomic) NSDictionary *uniforms;
 @property (nonatomic) NSNumber *width;
 @property (nonatomic) NSNumber *height;
+@property (nonatomic) NSNumber *pixelRatio;
 @property (nonatomic) NSNumber *fboId;
 @property (nonatomic) NSArray *contextChildren;
 @property (nonatomic) NSArray *children;
@@ -16,6 +17,7 @@
                  withUniforms: (NSDictionary *)uniforms
                     withWidth: (NSNumber *)width
                    withHeight: (NSNumber *)height
+               withPixelRatio: (NSNumber *)pixelRatio
                     withFboId: (NSNumber *)fboId
           withContextChildren: (NSArray *)contextChildren
                  withChildren: (NSArray *)children;

ios/GLData.m

@@ -6,6 +6,7 @@
                  withUniforms: (NSDictionary *)uniforms
                     withWidth: (NSNumber *)width
                    withHeight: (NSNumber *)height
+               withPixelRatio: (NSNumber *)pixelRatio
                     withFboId: (NSNumber *)fboId
           withContextChildren: (NSArray *)contextChildren
                  withChildren: (NSArray *)children
@@ -15,6 +16,7 @@
     self.uniforms = uniforms;
     self.width = width;
     self.height = height;
+    self.pixelRatio = pixelRatio;
     self.fboId = fboId;
     self.contextChildren = contextChildren;
     self.children = children;

ios/GLRenderData.h

@@ -7,8 +7,8 @@
 @property (nonatomic) GLShader *shader;
 @property (nonatomic) NSDictionary *uniforms;
 @property (nonatomic) NSDictionary *textures;
-@property (nonatomic) NSNumber *width;
-@property (nonatomic) NSNumber *height;
+@property (nonatomic) int width;
+@property (nonatomic) int height;
 @property (nonatomic) int fboId;
 @property (nonatomic) NSArray *contextChildren;
 @property (nonatomic) NSArray *children;
@@ -16,8 +16,8 @@
 -(instancetype) initWithShader: (GLShader *)shader
                   withUniforms:(NSDictionary *)uniforms
                   withTextures: (NSDictionary *)textures
-                     withWidth: (NSNumber *)width
-                    withHeight: (NSNumber *)height
+                     withWidth: (int)width
+                    withHeight: (int)height
                      withFboId: (int)fboId
            withContextChildren: (NSArray *)contextChildren
                   withChildren: (NSArray *)children;

ios/GLRenderData.m

@@ -6,8 +6,8 @@
 -(instancetype) initWithShader: (GLShader *)shader
                   withUniforms:(NSDictionary *)uniforms
                   withTextures: (NSDictionary *)textures
-                     withWidth: (NSNumber *)width
-                    withHeight: (NSNumber *)height
+                     withWidth: (int)width
+                    withHeight: (int)height
                      withFboId: (int)fboId
            withContextChildren: (NSArray *)contextChildren
                   withChildren: (NSArray *)children

ios/RCTConvert+GLData.m

@@ -10,6 +10,7 @@
   NSDictionary *uniforms = [self NSDictionary:json[@"uniforms"]];
   NSNumber *width = [self NSNumber:json[@"width"]];
   NSNumber *height = [self NSNumber:json[@"height"]];
+  NSNumber *pixelRatio = [self NSNumber:json[@"pixelRatio"]];
   NSNumber *fboId = [self NSNumber:json[@"fboId"]];
   NSArray *contextChildrenJSON = [self NSArray: json[@"contextChildren"]];
   NSArray *childrenJSON = [self NSArray: json[@"children"]];
@@ -30,6 +31,7 @@
                            withUniforms: uniforms
                               withWidth: width
                              withHeight: height
+                         withPixelRatio: pixelRatio
                               withFboId: fboId
                     withContextChildren: contextChildren
                            withChildren: children];