[ios] Added debug codeupstream/jmkiley-debug-opengllayer

4 files changed, 107 insertions, 1 deletions

diff --git a/platform/ios/app/LimeGreenStyleLayer.h b/platform/ios/app/LimeGreenStyleLayer.h
new file mode 100644
index 0000000000..857b39ab37
--- /dev/null
+++ b/platform/ios/app/LimeGreenStyleLayer.h
@@ -0,0 +1,8 @@
+
+
+#import <Mapbox/Mapbox.h>
+
+
+@interface LimeGreenStyleLayer : MGLOpenGLStyleLayer
+
+@end
diff --git a/platform/ios/app/LimeGreenStyleLayer.m b/platform/ios/app/LimeGreenStyleLayer.m
new file mode 100644
index 0000000000..63cc7c8d4d
--- /dev/null
+++ b/platform/ios/app/LimeGreenStyleLayer.m
@@ -0,0 +1,64 @@
+
+
+#import "LimeGreenStyleLayer.h"
+
+#import "LimeGreenStyleLayer.h"
+@import OpenGLES;
+//#include <OpenGL/gl.h>
+//#include <OpenGL/glext.h>
+
+@implementation LimeGreenStyleLayer {
+    GLuint _program;
+    GLuint _vertexShader;
+    GLuint _fragmentShader;
+    GLuint _buffer;
+    GLuint _aPos;
+}
+
+- (void)didMoveToMapView:(MGLMapView *)mapView {
+    static const GLchar *vertexShaderSource = "attribute vec2 a_pos; void main() { gl_Position = vec4(a_pos, 0, 1); }";
+    static const GLchar *fragmentShaderSource = "void main() { gl_FragColor = vec4(0, 1, 0, 1); }";
+    
+    _program = glCreateProgram();
+    _vertexShader = glCreateShader(GL_VERTEX_SHADER);
+    _fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
+    
+    glShaderSource(_vertexShader, 1, &vertexShaderSource, NULL);
+    glCompileShader(_vertexShader);
+    glAttachShader(_program, _vertexShader);
+    glShaderSource(_fragmentShader, 1, &fragmentShaderSource, NULL);
+    glCompileShader(_fragmentShader);
+    glAttachShader(_program, _fragmentShader);
+    glLinkProgram(_program);
+    _aPos = glGetAttribLocation(_program, "a_pos");
+    
+    GLfloat background[] = { -1,-1, 1,-1, -1,1, 1,1 };
+    glGenBuffers(1, &_buffer);
+    glBindBuffer(GL_ARRAY_BUFFER, _buffer);
+    glBufferData(GL_ARRAY_BUFFER, 8 * sizeof(GLfloat), background, GL_STATIC_DRAW);
+}
+
+- (void)drawInMapView:(MGLMapView *)mapView withContext:(MGLStyleLayerDrawingContext)context {
+    glUseProgram(_program);
+    glBindBuffer(GL_ARRAY_BUFFER, _buffer);
+    glEnableVertexAttribArray(_aPos);
+    glVertexAttribPointer(_aPos, 2, GL_FLOAT, GL_FALSE, 0, NULL);
+    glDisable(GL_STENCIL_TEST);
+    glDisable(GL_DEPTH_TEST);
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+}
+
+- (void)willMoveFromMapView:(MGLMapView *)mapView {
+    if (!_program) {
+        return;
+    }
+    
+    glDeleteBuffers(1, &_buffer);
+    glDetachShader(_program, _vertexShader);
+    glDetachShader(_program, _fragmentShader);
+    glDeleteShader(_vertexShader);
+    glDeleteShader(_fragmentShader);
+    glDeleteProgram(_program);
+}
+
+@end
diff --git a/platform/ios/app/MBXViewController.m b/platform/ios/app/MBXViewController.m
index 0f617188b9..e5a3aba482 100644
--- a/platform/ios/app/MBXViewController.m
+++ b/platform/ios/app/MBXViewController.m
@@ -6,7 +6,7 @@
 #import "MBXAnnotationView.h"
 #import "MBXUserLocationAnnotationView.h"
 #import "MBXEmbeddedMapViewController.h"
-
+#import "LimeGreenStyleLayer.h"
 #import <Mapbox/Mapbox.h>
 
 #import <objc/runtime.h>
@@ -124,6 +124,8 @@ typedef NS_ENUM(NSInteger, MBXSettingsMiscellaneousRows) {
 @property (nonatomic) BOOL usingLocaleBasedCountryLabels;
 @property (nonatomic) BOOL reuseQueueStatsEnabled;
 @property (nonatomic) BOOL showZoomLevelEnabled;
+@property (nonatomic, strong) LimeGreenStyleLayer *greenLayer;
+@property (nonatomic) BOOL layerOn;
 
 @end
 
@@ -1882,8 +1884,34 @@ typedef NS_ENUM(NSInteger, MBXSettingsMiscellaneousRows) {
     // that a device with an English-language locale is already effectively
     // using locale-based country labels.
     _usingLocaleBasedCountryLabels = [[self bestLanguageForUser] isEqualToString:@"en"];
+    self.greenLayer = [[LimeGreenStyleLayer alloc] initWithIdentifier:@"LimeGreenLayer"];
+    [mapView.style addLayer:self.greenLayer];
+        [NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(toggleLayer) userInfo:nil repeats:YES];
+    self.layerOn = YES;
+//    [self toggleLayer];
 }
 
+- (void) toggleLayer {
+    
+//    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
+        //        NSLog(@"%@", [[self.mapView.style layers] containsObject:self.greenLayer] ? @"YES" : @"NO");
+        //        NSLog(@"%@", self.greenLayer.debugDescription);
+        if (self.layerOn) {
+            
+            [self.mapView.style removeLayer:self.greenLayer];
+           
+            self.layerOn = NO;
+        }
+        else {
+            // self.greenLayer = [[LimeGreenStyleLayer alloc] initWithIdentifier:@"LimeGreenLayer"];
+            [self.mapView.style addLayer:self.greenLayer];
+            self.layerOn = YES;
+        }
+        
+//        [self toggleLayer];
+//    });
+    
+}
 - (void)mapViewRegionIsChanging:(MGLMapView *)mapView
 {
     [self updateHUD];
diff --git a/platform/ios/ios.xcodeproj/project.pbxproj b/platform/ios/ios.xcodeproj/project.pbxproj
index d44fee3430..91ddcf7962 100644
--- a/platform/ios/ios.xcodeproj/project.pbxproj
+++ b/platform/ios/ios.xcodeproj/project.pbxproj
@@ -161,6 +161,7 @@
 		35E79F201D41266300957B9E /* MGLStyleLayer_Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 35E79F1F1D41266300957B9E /* MGLStyleLayer_Private.h */; };
 		35E79F211D41266300957B9E /* MGLStyleLayer_Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 35E79F1F1D41266300957B9E /* MGLStyleLayer_Private.h */; };
 		36F1153D1D46080700878E1A /* libmbgl-core.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 36F1153B1D46080700878E1A /* libmbgl-core.a */; };
+		3E13828B202BA5AF00A44C98 /* LimeGreenStyleLayer.m in Sources */ = {isa = PBXBuildFile; fileRef = 3E13828A202BA5AF00A44C98 /* LimeGreenStyleLayer.m */; };
 		3EA93369F61CF70AFA50465D /* MGLRendererConfiguration.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3EA931BC4F087E166D538F21 /* MGLRendererConfiguration.mm */; };
 		3EA934623AD0000B7D99C3FB /* MGLRendererConfiguration.h in Headers */ = {isa = PBXBuildFile; fileRef = 3EA9337830C7738BF7F5493C /* MGLRendererConfiguration.h */; };
 		3EA9363147E77DD29FA06063 /* MGLRendererConfiguration.h in Headers */ = {isa = PBXBuildFile; fileRef = 3EA9337830C7738BF7F5493C /* MGLRendererConfiguration.h */; };
@@ -746,6 +747,8 @@
 		35E79F1F1D41266300957B9E /* MGLStyleLayer_Private.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLStyleLayer_Private.h; sourceTree = "<group>"; };
 		36F1153B1D46080700878E1A /* libmbgl-core.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = "libmbgl-core.a"; path = "build/Debug-iphoneos/libmbgl-core.a"; sourceTree = "<group>"; };
 		36F1153C1D46080700878E1A /* libmbgl-platform-ios.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = "libmbgl-platform-ios.a"; path = "build/Debug-iphoneos/libmbgl-platform-ios.a"; sourceTree = "<group>"; };
+		3E138289202BA5AE00A44C98 /* LimeGreenStyleLayer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LimeGreenStyleLayer.h; sourceTree = "<group>"; };
+		3E13828A202BA5AF00A44C98 /* LimeGreenStyleLayer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = LimeGreenStyleLayer.m; sourceTree = "<group>"; };
 		3EA931BC4F087E166D538F21 /* MGLRendererConfiguration.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = MGLRendererConfiguration.mm; sourceTree = "<group>"; };
 		3EA9337830C7738BF7F5493C /* MGLRendererConfiguration.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLRendererConfiguration.h; sourceTree = "<group>"; };
 		400532FF1DB0862B0069F638 /* NSArray+MGLAdditions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSArray+MGLAdditions.h"; sourceTree = "<group>"; };
@@ -1415,6 +1418,8 @@
 		DA1DC94C1CB6C1C2006E619F /* Demo App */ = {
 			isa = PBXGroup;
 			children = (
+				3E138289202BA5AE00A44C98 /* LimeGreenStyleLayer.h */,
+				3E13828A202BA5AF00A44C98 /* LimeGreenStyleLayer.m */,
 				DA1DC9501CB6C1C2006E619F /* MBXAppDelegate.h */,
 				DA1DC9981CB6E054006E619F /* MBXAppDelegate.m */,
 				40FDA7691CCAAA6800442548 /* MBXAnnotationView.h */,
@@ -2518,6 +2523,7 @@
 				927FBCFC1F4DAA8300F8BF1F /* MBXSnapshotsViewController.m in Sources */,
 				DA1DC99B1CB6E064006E619F /* MBXViewController.m in Sources */,
 				40FDA76B1CCAAA6800442548 /* MBXAnnotationView.m in Sources */,
+				3E13828B202BA5AF00A44C98 /* LimeGreenStyleLayer.m in Sources */,
 				632281DF1E6F855900D75A5D /* MBXEmbeddedMapViewController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;