Rollback previous changes for alpha & blending

RNGL/GLCanvas.m

@@ -160,7 +160,6 @@ RCT_NOT_IMPLEMENTED(-init)
     weak_traverseTree = traverseTree = ^GLRenderData *(GLData *data) {
       NSNumber *width = data.width;
       NSNumber *height = data.height;
-      BOOL premultipliedAlpha = data.premultipliedAlpha;
       int fboId = [data.fboId intValue];
       
       NSMutableArray *contextChildren = [[NSMutableArray alloc] init];
@@ -255,8 +254,7 @@ RCT_NOT_IMPLEMENTED(-init)
               withHeight:height
               withFboId:fboId
               withContextChildren:contextChildren
-              withChildren:children
-              withPremultipliedAlpha:premultipliedAlpha];
+              withChildren:children];
     };
     
     _renderData = traverseTree(_data);
@@ -350,14 +348,9 @@ RCT_NOT_IMPLEMENTED(-init)
         [renderData.shader setUniform:uniformName withValue:renderData.uniforms[uniformName]];
       }
       
-      glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
       glClearColor(0.0, 0.0, 0.0, 0.0);
       glClear(GL_COLOR_BUFFER_BIT);
-      
-      if (renderData.premultipliedAlpha)
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-      else
-        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
       glDrawArrays(GL_TRIANGLES, 0, 6);
     };
     

RNGL/GLData.h

@@ -11,7 +11,6 @@
 @property (nonatomic) NSNumber *fboId;
 @property (nonatomic) NSArray *contextChildren;
 @property (nonatomic) NSArray *children;
-@property (nonatomic) BOOL premultipliedAlpha;
 
 -(instancetype)initWithShader: (NSNumber *)shader
                  withUniforms: (NSDictionary *)uniforms
@@ -19,7 +18,6 @@
                    withHeight: (NSNumber *)height
                     withFboId: (NSNumber *)fboId
           withContextChildren: (NSArray *)contextChildren
-                 withChildren: (NSArray *)children
-       withPremultipliedAlpha: (BOOL)premultipliedAlpha;
+                 withChildren: (NSArray *)children;
 
 @end

RNGL/GLData.m

@@ -9,7 +9,6 @@
                     withFboId: (NSNumber *)fboId
           withContextChildren: (NSArray *)contextChildren
                  withChildren: (NSArray *)children
-       withPremultipliedAlpha: (BOOL)premultipliedAlpha
 {
   if ((self = [super init])) {
     self.shader = shader;
@@ -19,7 +18,6 @@
     self.fboId = fboId;
     self.contextChildren = contextChildren;
     self.children = children;
-    self.premultipliedAlpha = premultipliedAlpha;
   }
   return self;
 }

RNGL/GLRenderData.h

@@ -12,7 +12,6 @@
 @property (nonatomic) int fboId;
 @property (nonatomic) NSArray *contextChildren;
 @property (nonatomic) NSArray *children;
-@property (nonatomic) BOOL premultipliedAlpha;
 
 -(instancetype) initWithShader: (GLShader *)shader
                   withUniforms:(NSDictionary *)uniforms
@@ -21,7 +20,6 @@
                     withHeight: (NSNumber *)height
                      withFboId: (int)fboId
            withContextChildren: (NSArray *)contextChildren
-                  withChildren: (NSArray *)children
-        withPremultipliedAlpha: (BOOL)premultipliedAlpha;
+                  withChildren: (NSArray *)children;
 
 @end

RNGL/GLRenderData.m

@@ -11,7 +11,6 @@
                      withFboId: (int)fboId
            withContextChildren: (NSArray *)contextChildren
                   withChildren: (NSArray *)children
-        withPremultipliedAlpha: (BOOL)premultipliedAlpha
 {
   
   if ((self = [super init])) {
@@ -23,7 +22,6 @@
     self.fboId = fboId;
     self.contextChildren = contextChildren;
     self.children = children;
-    self.premultipliedAlpha = premultipliedAlpha;
   }
   return self;
 }

RNGL/RCTConvert+GLData.m

@@ -25,8 +25,6 @@
     GLData *child = [self GLData:childJSON];
     [contextChildren addObject:child];
   }
-  
-  BOOL premultipliedAlpha = [self BOOL:json[@"premultipliedAlpha"]];
 
   return [[GLData alloc] initWithShader: shader
                            withUniforms: uniforms
@@ -34,8 +32,7 @@
                              withHeight: height
                               withFboId: fboId
                     withContextChildren: contextChildren
-                           withChildren: children
-                 withPremultipliedAlpha: premultipliedAlpha];
+                           withChildren: children];
 }
 
 @end