Add the beginning of the GLCameraRipple sample

2012-03-08 19:04:38 -05:00 · 2012-03-08 19:04:38 -05:00 · 1d44f7f97d
--- a/GLCameraRipple/AppDelegate.cs
+++ b/GLCameraRipple/AppDelegate.cs
@ -0,0 +1,23 @@
+using System;
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+
+namespace GLCameraRipple
+{
+	[Register ("AppDelegate")]
+	public partial class AppDelegate : UIApplicationDelegate
+	{
+		UIWindow window;
+
+		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
+		{
+			window = new UIWindow (UIScreen.MainScreen.Bounds) {
+				RootViewController = new RippleViewController ()
+			};
+			window.MakeKeyAndVisible ();
+			
+			return true;
+		}
+	}
+}
+
--- a/GLCameraRipple/GLCameraRipple.csproj
+++ b/GLCameraRipple/GLCameraRipple.csproj
@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>10.0.0</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{96FCF082-6930-4167-BDEF-07ABB007205A}</ProjectGuid>
+    <ProjectTypeGuids>{6BC8ED88-2882-458C-8E55-DFD12B67127B};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>GLCameraRipple</RootNamespace>
+    <AssemblyName>GLCameraRipple</AssemblyName>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchDebug>true</MtouchDebug>
+    <MtouchProfiling>true</MtouchProfiling>
+    <MtouchLink>None</MtouchLink>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchLink>None</MtouchLink>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchDebug>true</MtouchDebug>
+    <MtouchProfiling>true</MtouchProfiling>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Developer</CodesignKey>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="monotouch" />
+    <Reference Include="OpenTK" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Info.plist" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="AppDelegate.cs" />
+    <Compile Include="RippleViewController.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <Folder Include="Shaders\" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="Shaders\Shader.fsh" />
+    <Content Include="Shaders\Shader.vsh" />
+  </ItemGroup>
+</Project>
--- a/GLCameraRipple/GLCameraRipple.sln
+++ b/GLCameraRipple/GLCameraRipple.sln
@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GLCameraRipple", "GLCameraRipple.csproj", "{96FCF082-6930-4167-BDEF-07ABB007205A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|iPhoneSimulator = Debug|iPhoneSimulator
+		Release|iPhoneSimulator = Release|iPhoneSimulator
+		Debug|iPhone = Debug|iPhone
+		Release|iPhone = Release|iPhone
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Debug|iPhone.ActiveCfg = Debug|iPhone
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Debug|iPhone.Build.0 = Debug|iPhone
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Debug|iPhoneSimulator.ActiveCfg = Debug|iPhoneSimulator
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Debug|iPhoneSimulator.Build.0 = Debug|iPhoneSimulator
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Release|iPhone.ActiveCfg = Release|iPhone
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Release|iPhone.Build.0 = Release|iPhone
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
+		{96FCF082-6930-4167-BDEF-07ABB007205A}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
+	EndGlobalSection
+	GlobalSection(MonoDevelopProperties) = preSolution
+		StartupItem = GLCameraRipple.csproj
+	EndGlobalSection
+EndGlobal
--- a/GLCameraRipple/Info.plist
+++ b/GLCameraRipple/Info.plist
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
--- a/GLCameraRipple/Main.cs
+++ b/GLCameraRipple/Main.cs
@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+
+namespace GLCameraRipple
+{
+	public class Application
+	{
+		// This is the main entry point of the application.
+		static void Main (string[] args)
+		{
+			// if you want to use a different Application Delegate class from "AppDelegate"
+			// you can specify it here.
+			UIApplication.Main (args, null, "AppDelegate");
+		}
+	}
+}
--- a/GLCameraRipple/RippleViewController.cs
+++ b/GLCameraRipple/RippleViewController.cs
@ -0,0 +1,171 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Drawing;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.ES20;
+using MonoTouch.GLKit;
+using MonoTouch.OpenGLES;
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+using MonoTouch.AVFoundation;
+using MonoTouch.CoreVideo;
+using System.IO;
+
+namespace GLCameraRipple
+{
+	public class RippleViewController : GLKViewController {
+		EAGLContext context;
+		SizeF size;
+		int meshFactor;
+		NSString sessionPreset;
+		CVOpenGLESTexture lumaTexture, chromaTexture;
+		CVOpenGLESTextureCache videoTextureCache;
+		
+		//
+		// OpenGL components
+		//
+		const int UNIFORM_Y = 0;
+		const int UNIFORM_UV = 1;
+		const int ATTRIB_VERTEX = 0;
+    	const int ATTRIB_TEXCOORD = 1;
+
+		int [] uniforms = new int [2];
+		int program;
+		
+		public override void ViewDidLoad ()
+		{
+			base.ViewDidLoad ();
+			
+			context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
+			((GLKView)View).Context = context;
+			PreferredFramesPerSecond = 60;
+			size = UIScreen.MainScreen.Bounds.Size;
+			View.ContentScaleFactor = UIScreen.MainScreen.Scale;
+			
+			if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad){
+				meshFactor = 8;
+				sessionPreset = AVCaptureSession.PresetiFrame1280x720;
+			} else {
+				meshFactor = 4;
+				sessionPreset = AVCaptureSession.Preset640x480;
+			}
+			SetupGL ();
+			SetupAVCapture ();
+		}
+		
+		public override void ViewDidUnload ()
+		{
+			base.ViewDidUnload ();
+			TeardownAVCapture ();
+			TeardownGL ();
+			if (EAGLContext.CurrentContext == context)
+				EAGLContext.SetCurrentContext (null);
+		}
+		
+		public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
+		{
+			// Camera is fixed, only allow portrait
+			return (toInterfaceOrientation == UIInterfaceOrientation.Portrait);
+		}
+		
+		void CleanupTextures ()
+		{
+			if (lumaTexture != null){
+				lumaTexture.Dispose ();
+				lumaTexture = null;
+			}
+			if (chromaTexture != null){
+				chromaTexture.Dispose ();
+				chromaTexture = null;
+			}
+			videoTextureCache.Flush (CVOptionFlags.None);
+		}
+		
+		void SetupGL ()
+		{
+			EAGLContext.SetCurrentContext (context);
+			LoadShaders ();
+			GL.UseProgram (program);
+			GL.Uniform1 (uniforms [UNIFORM_Y], 0);
+			GL.Uniform1 (uniforms [UNIFORM_UV], 1);
+		}
+		
+		void SetupAVCapture ()
+		{
+		}
+		
+		void TeardownAVCapture ()
+		{
+		}
+		
+		void TeardownGL ()
+		{
+		}
+		
+		bool LoadShaders ()
+		{
+			int vertShader, fragShader;
+			
+			program = GL.CreateProgram ();
+			if (!CompileShader (out vertShader, All.VertexShader, "Shaders/Shader.vsh")){
+				Console.WriteLine ("Failed to compile vertex shader");
+				return false;
+			}
+			if (!CompileShader (out fragShader, All.FragmentShader, "Shaders/Shader.fsh")){
+				Console.WriteLine ("Failed to compile fragment shader");
+				return false;
+			}
+				
+			// Attach shaders
+			GL.AttachShader (program, vertShader);
+			GL.AttachShader (program, fragShader);
+			
+			// Bind attribtue locations
+			GL.BindAttribLocation (program, ATTRIB_VERTEX, "position");
+			GL.BindAttribLocation (program, ATTRIB_TEXCOORD, "texCoord");
+			
+			// Link the program
+			if (!LinkProgram (program)){
+				Console.WriteLine ("Failed to link the shader programs");
+				GL.DeleteShader (vertShader);
+				GL.DeleteShader (fragShader);
+				GL.DeleteProgram (program);
+				return false;
+			}
+			
+			// Get uniform locations
+			uniforms [UNIFORM_Y] = GL.GetUniformLocation (program, "SamplerY");
+			uniforms [UNIFORM_UV] = GL.GetUniformLocation (program, "SampleUV");
+			GL.DeleteShader (vertShader);
+			GL.DeleteShader (fragShader);
+			return true;
+		}
+		
+		bool CompileShader (out int shader, All type, string path)
+		{
+			string shaderProgram = File.ReadAllText (path);
+			int len = shaderProgram.Length, status = 0;
+			shader = GL.CreateShader (type);
+			
+			GL.ShaderSource (shader, 1, new string [] { shaderProgram }, ref len);
+			GL.CompileShader (shader);
+			GL.GetShader (shader, All.CompileStatus, ref status);
+			if (status == 0){
+				GL.DeleteShader (shader);
+				return false;
+			}
+			return true;
+		}
+		
+		bool LinkProgram (int program)
+		{
+			GL.LinkProgram (program);
+			int status = 0;
+			GL.GetProgram (program, All.LinkStatus, ref status);
+			return status != 0;
+		}
+	}
+}
+
--- a/GLCameraRipple/Shaders/Shader.fsh
+++ b/GLCameraRipple/Shaders/Shader.fsh
@ -0,0 +1,75 @@
+/*
+     File: Shader.fsh
+ Abstract: Fragment shader for converting Y/UV textures to RGB.
+  Version: 1.0
+ 
+ Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
+ Inc. ("Apple") in consideration of your agreement to the following
+ terms, and your use, installation, modification or redistribution of
+ this Apple software constitutes acceptance of these terms.  If you do
+ not agree with these terms, please do not use, install, modify or
+ redistribute this Apple software.
+ 
+ In consideration of your agreement to abide by the following terms, and
+ subject to these terms, Apple grants you a personal, non-exclusive
+ license, under Apple's copyrights in this original Apple software (the
+ "Apple Software"), to use, reproduce, modify and redistribute the Apple
+ Software, with or without modifications, in source and/or binary forms;
+ provided that if you redistribute the Apple Software in its entirety and
+ without modifications, you must retain this notice and the following
+ text and disclaimers in all such redistributions of the Apple Software.
+ Neither the name, trademarks, service marks or logos of Apple Inc. may
+ be used to endorse or promote products derived from the Apple Software
+ without specific prior written permission from Apple.  Except as
+ expressly stated in this notice, no other rights or licenses, express or
+ implied, are granted by Apple herein, including but not limited to any
+ patent rights that may be infringed by your derivative works or by other
+ works in which the Apple Software may be incorporated.
+ 
+ The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
+ MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
+ THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
+ FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
+ OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+ 
+ IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
+ MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
+ AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
+ STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+ 
+ Copyright (C) 2012 Apple Inc. All Rights Reserved.
+ 
+ */
+
+uniform sampler2D SamplerY;
+uniform sampler2D SamplerUV;
+
+varying highp vec2 texCoordVarying;
+
+void main()
+{
+    mediump vec3 yuv;
+    lowp vec3 rgb;
+    
+    yuv.x = texture2D(SamplerY, texCoordVarying).r;
+    yuv.yz = texture2D(SamplerUV, texCoordVarying).rg - vec2(0.5, 0.5);
+    
+    // BT.601, which is the standard for SDTV is provided as a reference
+    /*
+    rgb = mat3(    1,       1,     1,
+                   0, -.34413, 1.772,
+               1.402, -.71414,     0) * yuv;
+     */
+    
+    // Using BT.709 which is the standard for HDTV
+    rgb = mat3(      1,       1,      1,
+                     0, -.18732, 1.8556,
+               1.57481, -.46813,      0) * yuv;
+    
+    gl_FragColor = vec4(rgb, 1);
+}
+
--- a/GLCameraRipple/Shaders/Shader.vsh
+++ b/GLCameraRipple/Shaders/Shader.vsh
@ -0,0 +1,57 @@
+/*
+     File: Shader.vsh
+ Abstract: Vertex shader that passes attributes through to fragment shader.
+  Version: 1.0
+ 
+ Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
+ Inc. ("Apple") in consideration of your agreement to the following
+ terms, and your use, installation, modification or redistribution of
+ this Apple software constitutes acceptance of these terms.  If you do
+ not agree with these terms, please do not use, install, modify or
+ redistribute this Apple software.
+ 
+ In consideration of your agreement to abide by the following terms, and
+ subject to these terms, Apple grants you a personal, non-exclusive
+ license, under Apple's copyrights in this original Apple software (the
+ "Apple Software"), to use, reproduce, modify and redistribute the Apple
+ Software, with or without modifications, in source and/or binary forms;
+ provided that if you redistribute the Apple Software in its entirety and
+ without modifications, you must retain this notice and the following
+ text and disclaimers in all such redistributions of the Apple Software.
+ Neither the name, trademarks, service marks or logos of Apple Inc. may
+ be used to endorse or promote products derived from the Apple Software
+ without specific prior written permission from Apple.  Except as
+ expressly stated in this notice, no other rights or licenses, express or
+ implied, are granted by Apple herein, including but not limited to any
+ patent rights that may be infringed by your derivative works or by other
+ works in which the Apple Software may be incorporated.
+ 
+ The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
+ MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
+ THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
+ FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
+ OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+ 
+ IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
+ MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
+ AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
+ STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+ 
+ Copyright (C) 2012 Apple Inc. All Rights Reserved.
+ 
+ */
+
+attribute vec4 position;
+attribute vec2 texCoord;
+
+varying vec2 texCoordVarying;
+
+void main()
+{
+    gl_Position = position;
+    texCoordVarying = texCoord;
+}