iOS stuff.

examples/common/entry_ios.mm

@@ -0,0 +1,241 @@
+/*
+ * Copyright 2011-2013 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include <bx/bx.h>
+
+#if BX_PLATFORM_IOS
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <QuartzCore/CAEAGLLayer.h>
+
+#include <bgfxplatform.h>
+#include <bx/uint32_t.h>
+#include <bx/thread.h>
+
+#include "entry_p.h"
+#include "dbg.h"
+
+extern int _main_(int _argc, char** _argv);
+
+namespace bgfx
+{
+	void renderFrame();
+}
+
+namespace entry
+{
+	struct MainThreadEntry
+	{
+		int m_argc;
+		char** m_argv;
+
+		static int32_t threadFunc(void* _userData);
+	};
+
+	struct Context
+	{
+		Context()
+		{
+			const char* argv[1] = { "ios" };
+			m_mte.m_argc = 1;
+			m_mte.m_argv = const_cast<char**>(argv);
+
+			m_eventQueue.postSizeEvent(720, 1024);
+
+			m_thread.init(MainThreadEntry::threadFunc, &m_mte);
+		}
+
+		~Context()
+		{
+			m_thread.shutdown();
+		}
+
+		MainThreadEntry m_mte;
+		bx::Thread m_thread;
+
+		EventQueue m_eventQueue;
+	};
+
+	static Context* s_ctx;
+
+	int32_t MainThreadEntry::threadFunc(void* _userData)
+	{
+		MainThreadEntry* self = (MainThreadEntry*)_userData;
+		int32_t result = _main_(self->m_argc, self->m_argv);
+		return result;
+	}
+
+	const Event* poll()
+	{
+		return s_ctx->m_eventQueue.poll();
+	}
+
+	void release(const Event* _event)
+	{
+		s_ctx->m_eventQueue.release(_event);
+	}
+
+	void setWindowSize(uint32_t _width, uint32_t _height)
+	{
+	}
+
+	void toggleWindowFrame()
+	{
+	}
+
+	void setMouseLock(bool _lock)
+	{
+	}
+
+} // namespace entry
+
+using namespace entry;
+
+@interface EAGLView : UIView
+{
+
+	EAGLContext* m_context;
+	CADisplayLink* m_displayLink;
+}
+
+@property (nonatomic, retain) EAGLContext* m_context;
+
+@end
+
+@implementation EAGLView
+
+@synthesize m_context;
+
++ (Class)layerClass
+{
+	return [CAEAGLLayer class];
+}
+
+- (id)initWithFrame:(CGRect)rect
+{
+	self = [super initWithFrame:rect];
+
+	if (nil == self)
+	{
+		return nil;
+	}
+
+	CAEAGLLayer* layer = (CAEAGLLayer*)self.layer;
+	layer.opaque = true;
+
+	layer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys
+									: [NSNumber numberWithBool:false]
+									, kEAGLDrawablePropertyRetainedBacking
+									, kEAGLColorFormatRGBA8
+									, kEAGLDrawablePropertyColorFormat
+									, nil
+									];
+
+	m_context = [ [EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
+	BX_CHECK(NULL != m_context, "Failed to create kEAGLRenderingAPIOpenGLES2 context.");
+
+	[EAGLContext setCurrentContext:m_context];
+
+	bgfx::iosSetEaglContext(m_context, layer);
+
+	return self;
+}
+
+- (void)start
+{
+	if (nil == m_displayLink)
+	{
+		m_displayLink = [self.window.screen displayLinkWithTarget:self selector:@selector(renderFrame)];
+		[m_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
+	}
+}
+
+- (void)stop
+{
+	if (nil != m_displayLink)
+	{
+		[m_displayLink invalidate];
+		m_displayLink = nil;
+	}
+}
+
+- (void)renderFrame
+{
+	bgfx::renderFrame();
+}
+
+@end
+
+@interface AppDelegate : UIResponder<UIApplicationDelegate>
+{
+	UIWindow* m_window;
+	EAGLView* m_view;
+}
+
+@property (nonatomic, retain) UIWindow* m_window;
+@property (nonatomic, retain) EAGLView* m_view;
+
+@end
+
+@implementation AppDelegate
+
+@synthesize m_window;
+@synthesize m_view;
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+	CGRect rect = [ [UIScreen mainScreen] bounds];
+	m_window = [ [UIWindow alloc] initWithFrame: rect];
+	m_view = [ [EAGLView alloc] initWithFrame: rect];
+
+	[m_window addSubview: m_view];
+	[m_window makeKeyAndVisible];
+
+	s_ctx = new Context;
+	return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication *)application
+{
+	[m_view stop];
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application
+{
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application
+{
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application
+{
+	[m_view start];
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application
+{
+	[m_view stop];
+}
+
+- (void)dealloc
+{
+	[m_window release];
+	[m_view release];
+	[super dealloc];
+}
+
+@end
+
+int main(int _argc, char* _argv[])
+{
+	NSAutoreleasePool* pool = [ [NSAutoreleasePool alloc] init];
+	int exitCode = UIApplicationMain(_argc, _argv, @"UIApplication", NSStringFromClass([AppDelegate class]) );
+	[pool release];
+	return exitCode;
+}
+
+#endif // BX_PLATFORM_IOS

examples/common/entry_osx.mm

@@ -37,7 +37,7 @@ extern int _main_(int _argc, char** _argv);
 - (id)init {
 	self = [super init];
 	if (self) {
-		self->terminated = false;        
+		self->terminated = false;
 	}
 	return self;
 }
@@ -77,7 +77,7 @@ extern int _main_(int _argc, char** _argv);
 
 - (void)windowCreated:(NSWindow *)window {
 	assert(window);
-	
+
 	[window setDelegate:self];
 
 	assert(self->windowCount < ~0u);
@@ -86,12 +86,12 @@ extern int _main_(int _argc, char** _argv);
 
 - (BOOL)windowShouldClose:(NSWindow *)window {
 	assert(window);
-	
+
 	[window setDelegate:nil];
 
 	assert(self->windowCount);
 	self->windowCount -= 1;
-	
+
 	if (self->windowCount == 0) {
 		[NSApp terminate:self];
 		return false;
@@ -106,39 +106,39 @@ namespace entry
 	{
 		int m_argc;
 		char** m_argv;
-		
+
 		static int32_t threadFunc(void* _userData)
 		{
 			MainThreadEntry* self = (MainThreadEntry*)_userData;
 			return _main_(self->m_argc, self->m_argv);
 		}
 	};
-	
+
 	struct Context
 	{
 		Context()
 			: m_exit(false)
 		{
 		}
-		
+
 		NSEvent* WaitEvent () {
 			return
-			[NSApp
-			 nextEventMatchingMask:NSAnyEventMask
-			 untilDate:[NSDate distantFuture] // wait for event
-			 inMode:NSDefaultRunLoopMode
-			 dequeue:YES];
+				[NSApp
+				nextEventMatchingMask:NSAnyEventMask
+				untilDate:[NSDate distantFuture] // wait for event
+				inMode:NSDefaultRunLoopMode
+				dequeue:YES];
 		}
-		
+
 		NSEvent* PeekEvent () {
 			return
-			[NSApp
-			 nextEventMatchingMask:NSAnyEventMask
-			 untilDate:[NSDate distantPast] // do not wait for event
-			 inMode:NSDefaultRunLoopMode
-			 dequeue:YES];
+				[NSApp
+				nextEventMatchingMask:NSAnyEventMask
+				untilDate:[NSDate distantPast] // do not wait for event
+				inMode:NSDefaultRunLoopMode
+				dequeue:YES];
 		}
-		
+
 		bool DispatchEvent (NSEvent* event) {
 			if (event) {
 				[NSApp sendEvent:event];
@@ -147,22 +147,22 @@ namespace entry
 			}
 			return false;
 		}
-		
+
 		int32_t main(int _argc, char** _argv)
 		{
-			[NSApplication sharedApplication];			
+			[NSApplication sharedApplication];
 			id dg = [bgfxApplicationDelegate sharedDelegate];
 			[NSApp setDelegate:dg];
 			[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
 			[NSApp activateIgnoringOtherApps:YES];
 			[NSApp finishLaunching];
 			[[NSNotificationCenter defaultCenter]
-			 postNotificationName:NSApplicationWillFinishLaunchingNotification
-			 object:NSApp];
+				postNotificationName:NSApplicationWillFinishLaunchingNotification
+				object:NSApp];
 			[[NSNotificationCenter defaultCenter]
-			 postNotificationName:NSApplicationDidFinishLaunchingNotification
-			 object:NSApp];
-			
+				postNotificationName:NSApplicationDidFinishLaunchingNotification
+				object:NSApp];
+
 			id quitMenuItem = [NSMenuItem new];
 			[quitMenuItem
 				initWithTitle:@"Quit"
@@ -175,53 +175,52 @@ namespace entry
 			id menubar = [[NSMenu new] autorelease];
 			[menubar addItem:appMenuItem];
 			[NSApp setMainMenu:menubar];
-			
+
 			NSRect rect = NSMakeRect(0, 0, DEFAULT_WIDTH, DEFAULT_HEIGHT);
 			NSWindow* window = [NSWindow alloc];
 			[window
-			 initWithContentRect:rect
-			 styleMask:0
-			 |NSTitledWindowMask
-			 |NSClosableWindowMask
-			 |NSMiniaturizableWindowMask
-			 |NSResizableWindowMask
-			 backing:NSBackingStoreBuffered defer:NO
-			 ];
-			NSString* appName = [[NSProcessInfo processInfo] processName];    
+				initWithContentRect:rect
+				styleMask:0
+				|NSTitledWindowMask
+				|NSClosableWindowMask
+				|NSMiniaturizableWindowMask
+				|NSResizableWindowMask
+				backing:NSBackingStoreBuffered defer:NO
+				];
+			NSString* appName = [[NSProcessInfo processInfo] processName];
 			[window setTitle:appName];
 			[window cascadeTopLeftFromPoint:NSMakePoint(20,20)];
 			[window makeKeyAndOrderFront:nil];
 			[[bgfxWindowDelegate sharedDelegate] windowCreated:window];
-			
+
 			bgfx::osxSetNSWindow(window);
-			
+
 			MainThreadEntry mte;
 			mte.m_argc = _argc;
 			mte.m_argv = _argv;
-			
+
 			bx::Thread thread;
 			thread.init(mte.threadFunc, &mte);
 
 			while (!(m_exit = [dg applicationHasTerminated]))
 			{
-				DispatchEvent(WaitEvent());				
+				DispatchEvent(WaitEvent());
 				while (DispatchEvent(PeekEvent()));
 			}
 			m_eventQueue.postExitEvent();
-			
+
 			thread.shutdown();
-			
+
 			return 0;
 		}
-		
+
 		EventQueue m_eventQueue;
-		
+
 		bool m_exit;
-		
 	};
-	
+
 	static Context s_ctx;
-	
+
 	const Event* poll()
 	{
 		return s_ctx.m_eventQueue.poll();

include/bgfxplatform.h

@@ -20,6 +20,12 @@ namespace bgfx
 	void androidSetWindow(::ANativeWindow* _window);
 } // namespace bgfx
 
+#elif BX_PLATFORM_IOS
+namespace bgfx
+{
+	void iosSetEaglContext(void* _context, void* _layer);
+} // namespace bgfx
+
 #elif BX_PLATFORM_LINUX
 #	include <X11/Xlib.h>
 

makefile

@@ -13,7 +13,8 @@ all:
 	premake4 --file=premake/premake4.lua --gcc=mingw gmake
 	premake4 --file=premake/premake4.lua --gcc=linux gmake
 	premake4 --file=premake/premake4.lua --gcc=osx gmake
-	premake4 --file=premake/premake4.lua --gcc=ios gmake
+	premake4 --file=premake/premake4.lua --gcc=ios-arm gmake
+	premake4 --file=premake/premake4.lua --gcc=ios-simulator gmake
 	premake4 --file=premake/premake4.lua --gcc=qnx-arm gmake
 	premake4 --file=premake/premake4.lua xcode4
 	make -s --no-print-directory -C src
@@ -86,11 +87,17 @@ osx-release64:
 	make -C .build/projects/gmake-osx config=release64
 osx: osx-debug32 osx-release32 osx-debug64 osx-release64
 
-ios-debug:
-	make -R -C .build/projects/gmake-ios config=debug
-ios-release:
-	make -R -C .build/projects/gmake-ios config=release
-ios: ios-debug ios-release
+ios-arm-debug:
+	make -R -C .build/projects/gmake-ios-arm config=debug
+ios-arm-release:
+	make -R -C .build/projects/gmake-ios-arm config=release
+ios-arm: ios-arm-debug ios-arm-release
+
+ios-simulator-debug:
+	make -R -C .build/projects/gmake-ios-simulator config=debug
+ios-simulator-release:
+	make -R -C .build/projects/gmake-ios-simulator config=release
+ios-simulator: ios-simulator-debug ios-simulator-release
 
 qnx-arm-debug:
 	make -R -C .build/projects/gmake-qnx-arm config=debug

premake/bgfx.lua

@@ -30,12 +30,12 @@ project "bgfx"
 			"$(DXSDK_DIR)/include",
 		}
 
-	configuration { "osx or ios" }
+	configuration { "osx or ios*" }
 		files {
 			BGFX_DIR .. "src/**.mm",
 		}
 
-	configuration { "vs* or linux or mingw or osx or ios" }
+	configuration { "vs* or linux or mingw or osx or ios*" }
 		includedirs {
 			--nacl has GLES2 headers modified...
 			BGFX_DIR .. "3rdparty/glext",

premake/premake4.lua

@@ -102,7 +102,8 @@ function exampleProject(_name, _uuid)
 			"OpenGL.framework",
 		}
 
-	configuration { "ios" }
+	configuration { "ios*" }
+		kind "ConsoleApp"
 		files {
 			BGFX_DIR .. "examples/common/**.mm",
 		}
@@ -110,6 +111,8 @@ function exampleProject(_name, _uuid)
 			"-framework CoreFoundation",
 			"-framework Foundation",
 			"-framework OpenGLES",
+			"-framework UIKit",
+			"-framework QuartzCore",
 		}
 
 	configuration { "qnx*" }

src/bgfx.cpp

@@ -35,10 +35,19 @@ namespace bgfx
 
 #if BX_PLATFORM_ANDROID
 	::ANativeWindow* g_bgfxAndroidWindow = NULL;
-	void androidSetWindow(ANativeWindow* _window)
+	void androidSetWindow(::ANativeWindow* _window)
 	{
 		g_bgfxAndroidWindow = _window;
 	}
+#elif BX_PLATFORM_IOS
+	void* g_bgfxEaglContext = NULL;
+	void* g_bgfxEaglLayer = NULL;
+	void iosSetEaglContext(void* _context, void* _layer)
+	{
+		g_bgfxEaglContext = _context;
+		g_bgfxEaglLayer = _layer;
+	}
+
 #elif BX_PLATFORM_OSX
 	void* g_bgfxNSWindow = NULL;
 	
@@ -638,7 +647,7 @@ namespace bgfx
 		s_threadIndex = BGFX_MAIN_THREAD_MAGIC;
 
 		// On NaCl renderer is on the main thread.
-		s_ctx.init(!BX_PLATFORM_NACL);
+		s_ctx.init(!BX_PLATFORM_NACL && !BX_PLATFORM_IOS);
 	}
 
 	void shutdown()

src/bgfx_p.h

@@ -156,6 +156,9 @@ namespace bgfx
 {
 #if BX_PLATFORM_ANDROID
 	extern ::ANativeWindow* g_bgfxAndroidWindow;
+#elif BX_PLATFORM_IOS
+	extern void* g_bgfxEaglContext;
+	extern void* g_bgfxEaglLayer;
 #elif BX_PLATFORM_OSX
 	extern void* g_bgfxNSWindow;
 #elif BX_PLATFORM_WINDOWS

src/glcontext_eagl.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2011-2013 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#ifndef __GLCONTEXT_EAGL_H__
+#define __GLCONTEXT_EAGL_H__
+
+#if BX_PLATFORM_IOS
+
+namespace bgfx
+{
+	struct GlContext
+	{
+		GlContext()
+			: m_context(0)
+		{
+		}
+
+		void create(uint32_t _width, uint32_t _height);
+		void destroy();
+		void resize(uint32_t _width, uint32_t _height, bool _vsync);
+		void swap();
+		void import();
+
+		bool isValid() const
+		{
+			return 0 != m_context;
+		}
+
+		void* m_view;
+		void* m_context;
+
+		GLuint m_fbo;
+		GLuint m_colorRbo;
+		GLuint m_depthRbo;
+	};
+} // namespace bgfx
+
+#endif // BX_PLATFORM_IOS
+
+#endif // __GLCONTEXT_EAGL_H__

src/glcontext_eagl.mm

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2011-2013 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "bgfx_p.h"
+
+#if BX_PLATFORM_IOS && (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)
+#	include <UIKit/UIKit.h>
+#	include <QuartzCore/CAEAGLLayer.h>
+#	include "renderer_gl.h"
+
+namespace bgfx
+{
+	void GlContext::create(uint32_t _width, uint32_t _height)
+	{
+		EAGLContext* context = (EAGLContext*)g_bgfxEaglContext;
+		CAEAGLLayer* layer = (CAEAGLLayer*)g_bgfxEaglLayer;
+		[EAGLContext setCurrentContext:context];
+
+		m_context = g_bgfxEaglContext;
+
+		GL_CHECK(glGenFramebuffers(1, &m_fbo) );
+		GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo) );
+
+		GL_CHECK(glGenRenderbuffers(1, &m_colorRbo) );
+		GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_colorRbo) );
+
+		[context renderbufferStorage:GL_RENDERBUFFER fromDrawable:layer];
+		GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_colorRbo) );
+
+		GLint width;
+		GLint height;
+		GL_CHECK(glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &width) );
+		GL_CHECK(glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, &height) );
+		BX_TRACE("Screen size: %d x %d", width, height);
+
+		GL_CHECK(glGenRenderbuffers(1, &m_depthRbo) );
+		GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_depthRbo) );
+		GL_CHECK(glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height) );
+		GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthRbo) );
+
+		BX_CHECK(GL_FRAMEBUFFER_COMPLETE ==  glCheckFramebufferStatus(GL_FRAMEBUFFER)
+			, "glCheckFramebufferStatus failed 0x%08x"
+			, glCheckFramebufferStatus(GL_FRAMEBUFFER)
+			);
+	}
+
+	void GlContext::destroy()
+	{
+		if (0 != m_fbo)
+		{
+			GL_CHECK(glDeleteFramebuffers(1, &m_fbo) );
+			m_fbo = 0;
+		}
+
+		if (0 != m_colorRbo)
+		{
+			GL_CHECK(glDeleteRenderbuffers(1, &m_colorRbo) );
+			m_colorRbo = 0;
+		}
+
+		if (0 != m_depthRbo)
+		{
+			GL_CHECK(glDeleteRenderbuffers(1, &m_depthRbo) );
+			m_depthRbo = 0;
+		}
+	}
+	
+	void GlContext::resize(uint32_t _width, uint32_t _height, bool _vsync)
+	{
+		BX_TRACE("resize context");
+	}
+
+	void GlContext::swap()
+	{
+		EAGLContext* context = (EAGLContext*)m_context;
+		[EAGLContext setCurrentContext:context];
+		GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_colorRbo) );
+		[context presentRenderbuffer:GL_RENDERBUFFER];
+	}
+
+	void GlContext::import()
+	{
+	}
+
+} // namespace bgfx
+
+#endif // BX_PLATFORM_IOS && (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)

src/glcontext_nsgl.h

@@ -16,18 +16,18 @@ namespace bgfx
 			: m_context(0)
 		{
 		}
-        
+
 		void create(uint32_t _width, uint32_t _height);
 		void destroy();
 		void resize(uint32_t _width, uint32_t _height, bool _vsync);
 		void swap();
 		void import();
-        
+
 		bool isValid() const
 		{
 			return 0 != m_context;
 		}
-        
+
 		void* m_view;
 		void* m_context;
 	};

src/renderer_gl.cpp

@@ -282,6 +282,8 @@ namespace bgfx
 	}
 #endif // BGFX_CONFIG_RENDERER_OPENGL
 
+	extern GLuint m_backBufferFbo;
+
 	struct RendererContext
 	{
 		RendererContext()
@@ -428,6 +430,10 @@ namespace bgfx
 				if (!m_glctx.isValid() )
 				{
 					m_glctx.create(_width, _height);
+#if BX_PLATFORM_IOS
+					// BK - Temp, need to figure out how to deal with FBO created by context.
+					m_backBufferFbo = m_glctx.m_fbo;
+#endif // BX_PLATFORM_IOS
 				}
 				else
 				{
@@ -537,7 +543,7 @@ namespace bgfx
 
 		void init()
 		{
-			m_glctx.create(BGFX_DEFAULT_WIDTH, BGFX_DEFAULT_HEIGHT);
+			setRenderContextSize(BGFX_DEFAULT_WIDTH, BGFX_DEFAULT_HEIGHT);
 
 			m_vendor = getGLString(GL_VENDOR);
 			m_renderer = getGLString(GL_RENDERER);
@@ -2425,6 +2431,7 @@ namespace bgfx
 		s_drawArraysInstanced = stubDrawArraysInstanced;
 		s_drawElementsInstanced = stubDrawElementsInstanced;
 
+#	if !BX_PLATFORM_IOS
 		if (s_extension[Extension::ARB_instanced_arrays].m_supported
 		||  s_extension[Extension::ANGLE_instanced_arrays].m_supported)
 		{
@@ -2437,6 +2444,7 @@ namespace bgfx
 				s_drawElementsInstanced = glDrawElementsInstanced;
 			}
 		}
+#	endif // !BX_PLATFORM_IOS
 #endif // !BGFX_CONFIG_RENDERER_OPENGLES3
 
 		if (s_renderCtx.m_vaoSupport)
@@ -2626,7 +2634,7 @@ namespace bgfx
 
 	void Context::rendererSetMarker(const char* _marker, uint32_t /*_size*/)
 	{
-		GREMEDY_SETMARKER(_marker);		
+		GREMEDY_SETMARKER(_marker);
 	}
 
 	void Context::rendererSubmit()
@@ -2637,7 +2645,7 @@ namespace bgfx
 			GL_CHECK(glBindVertexArray(defaultVao) );
 		}
 
-		GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, 0) );
+		GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, s_renderCtx.m_backBufferFbo) );
 
 		s_renderCtx.updateResolution(m_render->m_resolution);
 

src/renderer_gl.h

@@ -66,9 +66,28 @@
 
 #elif BGFX_CONFIG_RENDERER_OPENGLES2 || BGFX_CONFIG_RENDERER_OPENGLES3
 #	if BGFX_CONFIG_RENDERER_OPENGLES2
-#		include <GLES2/gl2platform.h>
-#		include <GLES2/gl2.h>
-#		include <GLES2/gl2ext.h>
+#		if BX_PLATFORM_IOS
+#			include <OpenGLES/ES2/gl.h>
+#			include <OpenGLES/ES2/glext.h>
+
+typedef void (GL_APIENTRYP PFNGLBINDVERTEXARRAYOESPROC) (GLuint array);
+typedef void (GL_APIENTRYP PFNGLDELETEVERTEXARRAYSOESPROC) (GLsizei n, const GLuint *arrays);
+typedef void (GL_APIENTRYP PFNGLGENVERTEXARRAYSOESPROC) (GLsizei n, GLuint *arrays);
+typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array);
+typedef void (GL_APIENTRYP PFNGLGETPROGRAMBINARYOESPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
+typedef void (GL_APIENTRYP PFNGLPROGRAMBINARYOESPROC) (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
+typedef void (GL_APIENTRYP PFLGLDRAWARRAYSINSTANCEDANGLEPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+typedef void (GL_APIENTRYP PFLGLDRAWELEMENTSINSTANCEDANGLEPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei primcount);
+typedef void (GL_APIENTRYP PFLGLVERTEXATTRIBDIVISORANGLEPROC) (GLuint index, GLuint divisor);
+//#define GL_UNSIGNED_INT_10_10_10_2_OES                          0x8DF6
+#define GL_UNSIGNED_INT_2_10_10_10_REV_EXT                      0x8368
+#define GL_SAMPLER_3D_OES                                       0x8B5F
+#define GL_PROGRAM_BINARY_LENGTH_OES                            0x8741
+#		else
+#			include <GLES2/gl2platform.h>
+#			include <GLES2/gl2.h>
+#			include <GLES2/gl2ext.h>
+#		endif // BX_PLATFORM_
 #		define glProgramBinary glProgramBinaryOES
 #		define glGetProgramBinary glGetProgramBinaryOES
 #		define glBindVertexArray glBindVertexArrayOES
@@ -214,7 +233,7 @@ typedef void (*PFNGLGETTRANSLATEDSHADERSOURCEANGLEPROC)(GLuint shader, GLsizei b
 #elif BX_PLATFORM_OSX
 #	include "glcontext_nsgl.h"
 #elif BX_PLATFORM_IOS
-#	include "glcontext_ios.h"
+#	include "glcontext_eagl.h"
 #endif // BX_PLATFORM_
 
 #if BGFX_CONFIG_DEBUG_GREMEDY && (BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX)

tools/geometryc/geometryc.cpp

@@ -345,6 +345,14 @@ inline uint32_t rgbaToAbgr(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a)
 		 ;
 }
 
+struct GroupSortByMaterial
+{
+	bool operator()(const Group& _lhs, const Group& _rhs)
+	{
+		return _lhs.m_material < _rhs.m_material;
+	}
+};
+
 int main(int _argc, const char* _argv[])
 {
 	bx::CommandLine cmdLine(_argc, _argv);
@@ -635,14 +643,6 @@ int main(int _argc, const char* _argv[])
 	parseElapsed += now;
 	int64_t convertElapsed = -now;
 
-	struct GroupSortByMaterial
-	{
-		bool operator()(const Group& _lhs, const Group& _rhs)
-		{
-			return _lhs.m_material < _rhs.m_material;
-		}
-	};
-
 	std::sort(groups.begin(), groups.end(), GroupSortByMaterial() );
 
 	bool hasColor = false;