Add the DisplacementMap PowerVR sample.

BUG=14598298 Change-Id: Ie155538dac9395021b5a69b9aa553a8c7e85aa8f Reviewed-on: https://swiftshader-review.googlesource.com/1100Reviewed-by: Nicolas Capens <nicolascapens@google.com>

Add the DisplacementMap PowerVR sample.
d8afb0f2 · Nicolas Capens · Nicolas Capens · 7b21f276 · d8afb0f2 · d8afb0f2
Commit d8afb0f2 authored Jun 05, 2014 by Nicolas Capens Committed by Nicolas Capens Jun 06, 2014
20 changed files
--- a/src/SwiftShader.sln
+++ b/src/SwiftShader.sln
@@ -219,6 +219,12 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "OGLES2ChameleonMan", "..\te
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "OGLES2Tools", "..\tests\third_party\PowerVR\Tools\OGLES2\Build\WindowsVC2010\OGLES2Tools.vcxproj", "{09ABE661-9BC0-4152-A820-1FB0522CAC01}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "OGLES2DisplacementMap", "..\tests\third_party\PowerVR\Examples\Intermediate\DisplacementMap\OGLES2\Build\WindowsVC2010\OGLES2DisplacementMap.vcxproj", "{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}"
+	ProjectSection(ProjectDependencies) = postProject
+		{B5871A7A-968C-42E3-A33B-981E6F448E78} = {B5871A7A-968C-42E3-A33B-981E6F448E78}
+		{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6} = {E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -577,6 +583,18 @@ Global
 		{09ABE661-9BC0-4152-A820-1FB0522CAC01}.Release|Win32.Build.0 = Release|Win32
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 		{09ABE661-9BC0-4152-A820-1FB0522CAC01}.Release|x64.Build.0 = Release|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Debug|Win32.ActiveCfg = Debug|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Debug|Win32.Build.0 = Debug|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Debug|x64.ActiveCfg = Debug|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Debug|x64.Build.0 = Debug|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Profile|Win32.ActiveCfg = Release|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Profile|Win32.Build.0 = Release|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Profile|x64.ActiveCfg = Release|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Profile|x64.Build.0 = Release|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Release|Win32.ActiveCfg = Release|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Release|Win32.Build.0 = Release|Win32
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Release|x64.ActiveCfg = Release|x64
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -610,5 +628,6 @@ Global
 		{9DAFEE32-19F6-4410-AA09-2B564FB86F62} = {ED25C308-5BDB-43A7-BED6-C2C059FC2D7D}
 		{9CF4408B-9B08-481F-95DA-3DF0846DABE4} = {ED25C308-5BDB-43A7-BED6-C2C059FC2D7D}
 		{09ABE661-9BC0-4152-A820-1FB0522CAC01} = {ED25C308-5BDB-43A7-BED6-C2C059FC2D7D}
+		{04FC5430-3F1B-42A2-A18A-D8BB7E5B2733} = {ED25C308-5BDB-43A7-BED6-C2C059FC2D7D}
 	EndGlobalSection
 EndGlobal
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/DisplacementMap.png
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/DisplacementMap.png
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/DisplacementMap.txt
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/DisplacementMap.txt
+:Title:
+DisplacementMap
+
+:ShortDescription:
+This training course demonstrates displacement mapping using a texture read from the vertex shader.
+
+:FullDescription:
+This training course demonstrates displacement mapping using a texture read from the vertex shader. A tesselated grid of vertices is displaced by differing amounts as dictated by the value read from the texture.
+Displacement mapping is an alternative to bump mapping, normal mapping, and parallax mapping, that causes the actual geometric position of points over a textured surface to be displaced, often along the local surface normal, according to the value the texture function evaluates to at each point on the surface. It gives surfaces a great sense of depth and detail, permitting self-occlusion, self-shadowing and silhouettes.
+Additional geometry is requried in order for the effect to be achieved and thus performance will be affected.
+
+Controls:
+	-	Esc	-	Close the application
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/Cow.png
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/Cow.png
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/DisMap.png
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/DisMap.png
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/DisplacementMapScene.max
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/Media/DisplacementMapScene.max
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj
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+      <Command Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">"$(ProjectDir)..\..\..\..\..\..\Utilities\Filewrap\Windows_x86_32\Filewrap.exe" -o "..\..\Content\Cow.cpp" "%(FullPath)"</Command>
+      <Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\Content\Cow.cpp;%(Outputs)</Outputs>
+      <Message Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Wrapping texture ..\..\Cow.pvr as ..\..\Content\Cow.cpp</Message>
+      <Command Condition="'$(Configuration)|$(Platform)'=='Release|x64'">"$(ProjectDir)..\..\..\..\..\..\Utilities\Filewrap\Windows_x86_32\Filewrap.exe" -o "..\..\Content\Cow.cpp" "%(FullPath)"</Command>
+      <Outputs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">..\..\Content\Cow.cpp;%(Outputs)</Outputs>
+    </CustomBuild>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\..\..\Tools\OGLES2\Build\WindowsVC2010\OGLES2Tools.vcxproj">
+      <Project>{09abe661-9bc0-4152-a820-1fb0522cac01}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj.filters
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj.filters
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="Content Files">
+      <UniqueIdentifier>{900022e4-757a-46fb-bd53-6dfc20b3d893}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Content Files\Scene Files">
+      <UniqueIdentifier>{2c3d4c8c-5d1a-459a-a05a-a4e4b608a44e}</UniqueIdentifier>
+      <Extensions>pod</Extensions>
+    </Filter>
+    <Filter Include="Content Files\Shaders">
+      <UniqueIdentifier>{2c3d4c8c-5d1a-459a-a05a-a4e4b608a44e}</UniqueIdentifier>
+      <Extensions>fsh;psh;glsl;frag;vert</Extensions>
+    </Filter>
+    <Filter Include="Content Files\Textures">
+      <UniqueIdentifier>{2c3d4c8c-5d1a-459a-a05a-a4e4b608a44e}</UniqueIdentifier>
+      <Extensions>ico;bmp;gif;jpg;jpeg;jpe;tiff;tif;png;pvr</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\..\..\..\Shell\PVRShell.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\..\Shell\PVRShellImpl.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\..\Shell\API\KEGL\PVRShellAPI.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\..\Shell\OS\Windows\PVRShellOS.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\..\Builds\Windows\Resources\resource.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\..\..\..\..\..\Builds\Windows\Resources\shared.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\OGLES2DisplacementMap.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\..\..\Shell\PVRShell.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\..\..\Shell\API\KEGL\PVRShellAPI.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\..\..\Shell\OS\Windows\PVRShellOS.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\Content\FragShader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\Content\VertShader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\Content\DisMapScene.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\Content\Cow.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\Content\DisMap.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+<ItemGroup>
+    <CustomBuild Include="..\..\DisMapScene.pod">
+      <Filter>Content Files\Scene Files</Filter>
+    </CustomBuild>
+  <CustomBuild Include="..\..\DisMap.pvr">
+      <Filter>Content Files\Textures</Filter>
+  </CustomBuild>
+  <CustomBuild Include="..\..\Cow.pvr">
+      <Filter>Content Files\Textures</Filter>
+  </CustomBuild>
+  <CustomBuild Include="..\..\FragShader.fsh">
+      <Filter>Content Files\Shaders</Filter>
+  </CustomBuild>
+  <CustomBuild Include="..\..\VertShader.vsh">
+      <Filter>Content Files\Shaders</Filter>
+  </CustomBuild>
+  </ItemGroup>
+</Project>
\ No newline at end of file
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj.user
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Build/WindowsVC2010/OGLES2DisplacementMap.vcxproj.user
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LocalDebuggerEnvironment>PATH=$(SolutionDir)..\lib\$(Configuration)</LocalDebuggerEnvironment>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LocalDebuggerEnvironment>PATH=$(SolutionDir)..\lib\$(Configuration)</LocalDebuggerEnvironment>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LocalDebuggerEnvironment>PATH=$(SolutionDir)..\lib\$(Configuration)</LocalDebuggerEnvironment>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LocalDebuggerEnvironment>PATH=$(SolutionDir)..\lib\$(Configuration)</LocalDebuggerEnvironment>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/Cow.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/Cow.cpp
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/DisMap.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/DisMap.cpp
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/DisMapScene.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/DisMapScene.cpp
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/FragShader.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/FragShader.cpp
+// This file was created by Filewrap 1.1
+// Little endian mode
+// DO NOT EDIT
+
+#include "../PVRTMemoryFileSystem.h"
+
+// using 32 bit to guarantee alignment.
+#ifndef A32BIT
+ #define A32BIT static const unsigned int
+#endif
+
+// ******** Start: FragShader.fsh ********
+
+// File data
+static const char _FragShader_fsh[] = 
+	"uniform sampler2D  sTexture;\r\n"
+	"\r\n"
+	"varying lowp    float  LightIntensity;\r\n"
+	"varying mediump vec2   TexCoord;\r\n"
+	"\r\n"
+	"void main()\r\n"
+	"{\r\n"
+	"    gl_FragColor = texture2D(sTexture, TexCoord) * LightIntensity;\r\n"
+	"}\r\n";
+
+// Register FragShader.fsh in memory file system at application startup time
+static CPVRTMemoryFileSystem RegisterFile_FragShader_fsh("FragShader.fsh", _FragShader_fsh, 195);
+
+// ******** End: FragShader.fsh ********
+
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/VertShader.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Content/VertShader.cpp
+// This file was created by Filewrap 1.1
+// Little endian mode
+// DO NOT EDIT
+
+#include "../PVRTMemoryFileSystem.h"
+
+// using 32 bit to guarantee alignment.
+#ifndef A32BIT
+ #define A32BIT static const unsigned int
+#endif
+
+// ******** Start: VertShader.vsh ********
+
+// File data
+static const char _VertShader_vsh[] = 
+	"attribute highp   vec3  inVertex;\r\n"
+	"attribute mediump vec3  inNormal;\r\n"
+	"attribute mediump vec2  inTexCoord;\r\n"
+	"\r\n"
+	"uniform highp   mat4  MVPMatrix;\r\n"
+	"uniform mediump vec3  LightDirection;\r\n"
+	"uniform mediump\tfloat  DisplacementFactor;\r\n"
+	"\r\n"
+	"varying lowp    float  LightIntensity;\r\n"
+	"varying mediump vec2   TexCoord;\r\n"
+	"\r\n"
+	"uniform sampler2D  sDisMap;\r\n"
+	"\r\n"
+	"void main()\r\n"
+	"{\r\n"
+	"\t/* \r\n"
+	"\t\tCalculate the displacemnt value by taking the colour value from our texture\r\n"
+	"\t\tand scale it by out displacement factor.\r\n"
+	"\t*/\r\n"
+	"\tmediump float disp = texture2D(sDisMap, inTexCoord).r * DisplacementFactor;\r\n"
+	"\r\n"
+	"\t/* \r\n"
+	"\t\tTransform position by the model-view-projection matrix but first\r\n"
+	"\t\tmove the untransformed position along the normal by our displacement\r\n"
+	"\t\tvalue.\r\n"
+	"\t*/\r\n"
+	"\tgl_Position = MVPMatrix * vec4(inVertex + (inNormal * disp), 1.0);\r\n"
+	"\r\n"
+	"\t// Pass through texcoords\r\n"
+	"\tTexCoord = inTexCoord;\r\n"
+	"\t\r\n"
+	"\t// Simple diffuse lighting in model space\r\n"
+	"\tLightIntensity = dot(inNormal, -LightDirection);\r\n"
+	"}";
+
+// Register VertShader.vsh in memory file system at application startup time
+static CPVRTMemoryFileSystem RegisterFile_VertShader_vsh("VertShader.vsh", _VertShader_vsh, 949);
+
+// ******** End: VertShader.vsh ********
+
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Cow.pvr
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/Cow.pvr
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/DisMap.pvr
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/DisMap.pvr
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/DisMapScene.pod
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/DisMapScene.pod
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/FragShader.fsh
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/FragShader.fsh
+uniform sampler2D  sTexture;
+
+varying lowp    float  LightIntensity;
+varying mediump vec2   TexCoord;
+
+void main()
+{
+    gl_FragColor = texture2D(sTexture, TexCoord) * LightIntensity;
+}
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/OGLES2DisplacementMap.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/OGLES2DisplacementMap.cpp
+/******************************************************************************
+
+ @File         OGLES2DisplacementMap.cpp
+
+ @Title        Displacement Map
+
+ @Version      
+
+ @Copyright    Copyright (c) Imagination Technologies Limited.
+
+ @Platform     Independent
+
+ @Description  Shows how to displace geometry in the vertex shader using a
+               texture.
+
+******************************************************************************/
+#include <string.h>
+
+#include "PVRShell.h"
+#include "OGLES2Tools.h"
+
+/******************************************************************************
+ Defines
+******************************************************************************/
+// Index to bind the attributes to vertex shaders
+#define VERTEX_ARRAY	0
+#define NORMAL_ARRAY	1
+#define TEXCOORD_ARRAY	2
+
+/******************************************************************************
+ Consts
+******************************************************************************/
+// Camera constants. Used for making the projection matrix
+const float g_fCameraNear = 4.0f;
+const float g_fCameraFar  = 2000.0f;
+
+const float g_fDemoFrameRate = 1.0f / 90.0f;
+
+// The camera to use from the pod file
+const int g_ui32Camera = 0;
+
+/******************************************************************************
+ Content file names
+******************************************************************************/
+
+// Source and binary shaders
+const char c_szFragShaderSrcFile[]	= "FragShader.fsh";
+const char c_szFragShaderBinFile[]	= "FragShader.fsc";
+const char c_szVertShaderSrcFile[]	= "VertShader.vsh";
+const char c_szVertShaderBinFile[]	= "VertShader.vsc";
+
+// POD scene files
+const char c_szSceneFile[]			= "DisMapScene.pod";
+const char c_szDisMapFile[]			= "DisMap.pvr";
+
+/*!****************************************************************************
+ Class implementing the PVRShell functions.
+******************************************************************************/
+class OGLES2DisplacementMap : public PVRShell
+{
+	// Print3D class used to display text
+	CPVRTPrint3D	m_Print3D;
+
+	// 3D Model
+	CPVRTModelPOD	m_Scene;
+
+	// OpenGL handles for shaders, textures and VBOs
+	GLuint m_uiVertShader;
+	GLuint m_uiFragShader;
+	GLuint* m_puiVbo;
+	GLuint* m_puiIndexVbo;
+	GLuint* m_puiTextureIDs;
+	GLuint  m_uiDisMapID;
+
+	// Group shader programs and their uniform locations together
+	struct
+	{
+		GLuint uiId;
+		GLuint uiMVPMatrixLoc;
+		GLuint uiLightDirLoc;
+		GLuint uiTexture;
+		GLuint uiDisMap;
+		GLuint uiDisplacementFactor;
+	}
+	m_ShaderProgram;
+
+	// Variables to handle the animation in a time-based manner
+	unsigned long		m_ulTimePrev;
+
+	// App variables
+	PVRTVec4		m_LightDir;
+	PVRTMat4		m_View, m_Projection;
+	float			m_DisplacementFactor;
+	bool			m_bGrow;
+
+public:
+	virtual bool InitApplication();
+	virtual bool InitView();
+	virtual bool ReleaseView();
+	virtual bool QuitApplication();
+	virtual bool RenderScene();
+
+	OGLES2DisplacementMap();
+	bool LoadTextures(CPVRTString* pErrorStr);
+	bool LoadShaders(CPVRTString* pErrorStr);
+	bool LoadVbos(CPVRTString* pErrorStr);
+
+	void DrawMesh(int i32NodeIndex);
+};
+
+/*!****************************************************************************
+ @Function		OGLES2DisplacementMap
+ @Description	Constructor
+******************************************************************************/
+OGLES2DisplacementMap::OGLES2DisplacementMap() :    m_puiVbo(0),
+													m_puiIndexVbo(0),
+													m_puiTextureIDs(0),
+													m_ulTimePrev(0),
+													m_DisplacementFactor(0),
+													m_bGrow(false)
+{
+}
+
+/*!****************************************************************************
+ @Function		LoadTextures
+ @Return		bool			true if no error occurred
+ @Description	Loads the textures required for this training course
+******************************************************************************/
+bool OGLES2DisplacementMap::LoadTextures(CPVRTString* pErrorStr)
+{
+	/*
+		Load the textures.
+		For a more detailed explanation, see Texturing and IntroducingPVRTools
+	*/
+
+	/*
+		Initialises an array to lookup the textures
+		for each material in the scene.
+	*/
+	m_puiTextureIDs = new GLuint[m_Scene.nNumMaterial];
+
+	if(!m_puiTextureIDs)
+	{
+		*pErrorStr = "ERROR: Insufficient memory.";
+		return false;
+	}
+
+	for(int i = 0; i < (int) m_Scene.nNumMaterial; ++i)
+	{
+		m_puiTextureIDs[i] = 0;
+		SPODMaterial* pMaterial = &m_Scene.pMaterial[i];
+
+		if(pMaterial->nIdxTexDiffuse != -1)
+		{
+			/*
+				Using the tools function PVRTTextureLoadFromPVR load the textures required by the pod file.
+
+				Note: This function only loads .pvr files. You can set the textures in 3D Studio Max to .pvr
+				files using the PVRTexTool plug-in for max. Alternatively, the pod material properties can be
+				modified in PVRShaman.
+			*/
+
+			CPVRTString sTextureName = m_Scene.pTexture[pMaterial->nIdxTexDiffuse].pszName;
+
+			if(PVRTTextureLoadFromPVR(sTextureName.c_str(), &m_puiTextureIDs[i]) != PVR_SUCCESS)
+			{
+				*pErrorStr = "ERROR: Failed to load " + sTextureName + ".";
+
+				// Check to see if we're trying to load .pvr or not
+				CPVRTString sFileExtension = PVRTStringGetFileExtension(sTextureName);
+
+				if(sFileExtension.toLower() == "pvr")
+					*pErrorStr += "Note: Can only load pvr files.";
+
+				return false;
+			}
+		}
+	}
+
+	// Load the texture used for the displacement map
+	if(PVRTTextureLoadFromPVR(c_szDisMapFile, &m_uiDisMapID) != PVR_SUCCESS)
+	{
+		*pErrorStr = "ERROR: Failed to load " + CPVRTString(c_szDisMapFile) + ".";
+		return false;
+	}
+
+	// Define the wrapping to use for the displacement map
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		LoadShaders
+ @Output		pErrorStr		A string describing the error on failure
+ @Return		bool			true if no error occurred
+ @Description	Loads and compiles the shaders and links the shader programs
+				required for this training course
+******************************************************************************/
+bool OGLES2DisplacementMap::LoadShaders(CPVRTString* pErrorStr)
+{
+	/*
+		Load and compile the shaders from files.
+		Binary shaders are tried first, source shaders
+		are used as fallback.
+	*/
+	if(PVRTShaderLoadFromFile(
+			c_szVertShaderBinFile, c_szVertShaderSrcFile, GL_VERTEX_SHADER, GL_SGX_BINARY_IMG, &m_uiVertShader, pErrorStr) != PVR_SUCCESS)
+	{
+		return false;
+	}
+
+	if (PVRTShaderLoadFromFile(
+			c_szFragShaderBinFile, c_szFragShaderSrcFile, GL_FRAGMENT_SHADER, GL_SGX_BINARY_IMG, &m_uiFragShader, pErrorStr) != PVR_SUCCESS)
+	{
+		return false;
+	}
+
+	/*
+		Set up and link the shader program
+	*/
+	const char* aszAttribs[] = { "inVertex", "inNormal", "inTexCoord" };
+
+	if(PVRTCreateProgram(
+			&m_ShaderProgram.uiId, m_uiVertShader, m_uiFragShader, aszAttribs, 3, pErrorStr) != PVR_SUCCESS)
+	{
+		PVRShellSet(prefExitMessage, pErrorStr->c_str());
+		return false;
+	}
+
+	// Store the location of uniforms for later use
+	m_ShaderProgram.uiMVPMatrixLoc	= glGetUniformLocation(m_ShaderProgram.uiId, "MVPMatrix");
+	m_ShaderProgram.uiLightDirLoc	= glGetUniformLocation(m_ShaderProgram.uiId, "LightDirection");
+	m_ShaderProgram.uiDisplacementFactor = glGetUniformLocation(m_ShaderProgram.uiId, "DisplacementFactor");
+
+	m_ShaderProgram.uiTexture = glGetUniformLocation(m_ShaderProgram.uiId, "sTexture");
+	m_ShaderProgram.uiDisMap  = glGetUniformLocation(m_ShaderProgram.uiId, "sDisMap");
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		LoadVbos
+ @Description	Loads the mesh data required for this training course into
+				vertex buffer objects
+******************************************************************************/
+bool OGLES2DisplacementMap::LoadVbos(CPVRTString* pErrorStr)
+{
+	if(!m_Scene.pMesh[0].pInterleaved)
+	{
+		*pErrorStr = "ERROR: IntroducingPOD requires the pod data to be interleaved. Please re-export with the interleaved option enabled.";
+		return false;
+	}
+
+	if (!m_puiVbo)      m_puiVbo = new GLuint[m_Scene.nNumMesh];
+	if (!m_puiIndexVbo) m_puiIndexVbo = new GLuint[m_Scene.nNumMesh];
+
+	/*
+		Load vertex data of all meshes in the scene into VBOs
+
+		The meshes have been exported with the "Interleave Vectors" option,
+		so all data is interleaved in the buffer at pMesh->pInterleaved.
+		Interleaving data improves the memory access pattern and cache efficiency,
+		thus it can be read faster by the hardware.
+	*/
+	glGenBuffers(m_Scene.nNumMesh, m_puiVbo);
+	for (unsigned int i = 0; i < m_Scene.nNumMesh; ++i)
+	{
+		// Load vertex data into buffer object
+		SPODMesh& Mesh = m_Scene.pMesh[i];
+		unsigned int uiSize = Mesh.nNumVertex * Mesh.sVertex.nStride;
+		glBindBuffer(GL_ARRAY_BUFFER, m_puiVbo[i]);
+		glBufferData(GL_ARRAY_BUFFER, uiSize, Mesh.pInterleaved, GL_STATIC_DRAW);
+
+		// Load index data into buffer object if available
+		m_puiIndexVbo[i] = 0;
+		if (Mesh.sFaces.pData)
+		{
+			glGenBuffers(1, &m_puiIndexVbo[i]);
+			uiSize = PVRTModelPODCountIndices(Mesh) * sizeof(GLshort);
+			glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_puiIndexVbo[i]);
+			glBufferData(GL_ELEMENT_ARRAY_BUFFER, uiSize, Mesh.sFaces.pData, GL_STATIC_DRAW);
+		}
+	}
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		InitApplication
+ @Return		bool		true if no error occurred
+ @Description	Code in InitApplication() will be called by PVRShell once per
+				run, before the rendering context is created.
+				Used to initialize variables that are not dependent on it
+				(e.g. external modules, loading meshes, etc.)
+				If the rendering context is lost, InitApplication() will
+				not be called again.
+******************************************************************************/
+bool OGLES2DisplacementMap::InitApplication()
+{
+	// Get and set the read path for content files
+	CPVRTResourceFile::SetReadPath((char*)PVRShellGet(prefReadPath));
+
+	// Get and set the load/release functions for loading external files.
+	// In the majority of cases the PVRShell will return NULL function pointers implying that
+	// nothing special is required to load external files.
+	CPVRTResourceFile::SetLoadReleaseFunctions(PVRShellGet(prefLoadFileFunc), PVRShellGet(prefReleaseFileFunc));
+
+	// Load the scene
+	if(m_Scene.ReadFromFile(c_szSceneFile) != PVR_SUCCESS)
+	{
+		PVRShellSet(prefExitMessage, "ERROR: Couldn't load the .pod file\n");
+		return false;
+	}
+
+	// The cameras are stored in the file. We check it contains at least one.
+	if(m_Scene.nNumCamera == 0)
+	{
+		PVRShellSet(prefExitMessage, "ERROR: The scene does not contain a camera. Please add one and re-export.\n");
+		return false;
+	}
+
+	// We also check that the scene contains at least one light
+	if(m_Scene.nNumLight == 0)
+	{
+		PVRShellSet(prefExitMessage, "ERROR: The scene does not contain a light. Please add one and re-export.\n");
+		return false;
+	}
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		QuitApplication
+ @Return		bool		true if no error occurred
+ @Description	Code in QuitApplication() will be called by PVRShell once per
+				run, just before exiting the program.
+				If the rendering context is lost, QuitApplication() will
+				not be called.
+******************************************************************************/
+bool OGLES2DisplacementMap::QuitApplication()
+{
+	// Free the memory allocated for the scene
+	m_Scene.Destroy();
+
+	delete[] m_puiVbo;
+	delete[] m_puiIndexVbo;
+
+    return true;
+}
+
+/*!****************************************************************************
+ @Function		InitView
+ @Return		bool		true if no error occurred
+ @Description	Code in InitView() will be called by PVRShell upon
+				initialization or after a change in the rendering context.
+				Used to initialize variables that are dependent on the rendering
+				context (e.g. textures, vertex buffers, etc.)
+******************************************************************************/
+bool OGLES2DisplacementMap::InitView()
+{
+	CPVRTString ErrorStr;
+
+	/*
+		Initialize VBO data
+	*/
+	if(!LoadVbos(&ErrorStr))
+	{
+		PVRShellSet(prefExitMessage, ErrorStr.c_str());
+		return false;
+	}
+
+	/*
+		Load textures
+	*/
+	if(!LoadTextures(&ErrorStr))
+	{
+		PVRShellSet(prefExitMessage, ErrorStr.c_str());
+		return false;
+	}
+
+	/*
+		Load and compile the shaders & link programs
+	*/
+	if(!LoadShaders(&ErrorStr))
+	{
+		PVRShellSet(prefExitMessage, ErrorStr.c_str());
+		return false;
+	}
+
+	/*
+		Initialize Print3D
+	*/
+	bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
+
+	if(m_Print3D.SetTextures(0,PVRShellGet(prefWidth),PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
+	{
+		PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D\n");
+		return false;
+	}
+
+	/*
+		Set OpenGL ES render states needed for this training course
+	*/
+	// Enable backface culling and depth test
+	glCullFace(GL_BACK);
+	glEnable(GL_CULL_FACE);
+
+	glEnable(GL_DEPTH_TEST);
+
+	// Use a nice bright blue as clear colour
+	glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
+
+	//Get the direction of the first light from the scene.
+	m_LightDir = m_Scene.GetLightDirection(0);
+
+	// For direction vectors, w should be 0
+	m_LightDir.w = 0.0f;
+
+
+	//	Set up the view and projection matrices from the camera
+	PVRTVec3	vFrom, vTo(0.0f), vUp(0.0f, 1.0f, 0.0f);
+	float fFOV;
+
+	// Setup the camera
+
+	// Camera nodes are after the mesh and light nodes in the array
+	int i32CamID = m_Scene.pNode[m_Scene.nNumMeshNode + m_Scene.nNumLight + g_ui32Camera].nIdx;
+
+	// Get the camera position, target and field of view (fov)
+	if(m_Scene.pCamera[i32CamID].nIdxTarget != -1) // Does the camera have a target?
+		fFOV = m_Scene.GetCameraPos( vFrom, vTo, g_ui32Camera); // vTo is taken from the target node
+	else
+		fFOV = m_Scene.GetCamera( vFrom, vTo, vUp, g_ui32Camera); // vTo is calculated from the rotation
+
+	// We can build the model view matrix from the camera position, target and an up vector.
+	// For this we usePVRTMat4LookAtRH()
+	m_View = PVRTMat4::LookAtRH(vFrom, vTo, vUp);
+
+	// Calculate the projection matrix
+	m_Projection = PVRTMat4::PerspectiveFovRH(fFOV, (float)PVRShellGet(prefWidth)/(float)PVRShellGet(prefHeight), g_fCameraNear, g_fCameraFar, PVRTMat4::OGL, bRotate);
+
+	// Initialize variables used for the animation
+	m_ulTimePrev = PVRShellGetTime();
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		ReleaseView
+ @Return		bool		true if no error occurred
+ @Description	Code in ReleaseView() will be called by PVRShell when the
+				application quits or before a change in the rendering context.
+******************************************************************************/
+bool OGLES2DisplacementMap::ReleaseView()
+{
+	// Deletes the textures
+	glDeleteTextures(m_Scene.nNumMaterial, &m_puiTextureIDs[0]);
+	glDeleteTextures(1, &m_uiDisMapID);
+
+	// Frees the texture lookup array
+	delete[] m_puiTextureIDs;
+	m_puiTextureIDs = 0;
+
+	// Delete program and shader objects
+	glDeleteProgram(m_ShaderProgram.uiId);
+
+	glDeleteShader(m_uiVertShader);
+	glDeleteShader(m_uiFragShader);
+
+	// Delete buffer objects
+	glDeleteBuffers(m_Scene.nNumMesh, m_puiVbo);
+	glDeleteBuffers(m_Scene.nNumMesh, m_puiIndexVbo);
+
+	// Release Print3D Textures
+	m_Print3D.ReleaseTextures();
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		RenderScene
+ @Return		bool		true if no error occurred
+ @Description	Main rendering loop function of the program. The shell will
+				call this function every frame.
+				eglSwapBuffers() will be performed by PVRShell automatically.
+				PVRShell will also manage important OS events.
+				Will also manage relevant OS events. The user has access to
+				these events through an abstraction layer provided by PVRShell.
+******************************************************************************/
+bool OGLES2DisplacementMap::RenderScene()
+{
+	// Clear the color and depth buffer
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+
+	//	Calculates the the time since the last frame
+	unsigned long ulTime = PVRShellGetTime();
+	unsigned long ulDeltaTime = ulTime - m_ulTimePrev;
+	m_ulTimePrev = ulTime;
+
+	// Use shader program
+	glUseProgram(m_ShaderProgram.uiId);
+
+	// Enable 2D texturing for the first texture.
+	glActiveTexture(GL_TEXTURE0);
+
+	// Set the sampler2D variable to the first texture unit
+	glUniform1i(m_ShaderProgram.uiTexture, 0);
+
+	// Enable 2D texturing for the second texture.
+	glActiveTexture(GL_TEXTURE1);
+
+	// Set the displacement map variable to the second texture unit
+	glUniform1i(m_ShaderProgram.uiDisMap, 1);
+
+	// Calculate and set the displacement factor
+	if(m_bGrow)
+	{
+		m_DisplacementFactor += (float)ulDeltaTime * g_fDemoFrameRate;
+
+		if(m_DisplacementFactor > 25.0f)
+		{
+			m_bGrow = false;
+			m_DisplacementFactor = 25.0f;
+		}
+	}
+	else
+	{
+		m_DisplacementFactor -= (float)ulDeltaTime * g_fDemoFrameRate;
+
+		if(m_DisplacementFactor < 0.0f)
+		{
+			m_bGrow = true;
+			m_DisplacementFactor = 0.0f;
+		}
+	}
+
+	glUniform1f(m_ShaderProgram.uiDisplacementFactor, m_DisplacementFactor);
+
+	// Bind the displacement map texture
+	glBindTexture(GL_TEXTURE_2D, m_uiDisMapID);
+
+	// Now the displacement map texture is bound set the active texture to texture 0
+	glActiveTexture(GL_TEXTURE0);
+
+	// Draw the scene
+
+	// Enable the vertex attribute arrays
+	glEnableVertexAttribArray(VERTEX_ARRAY);
+	glEnableVertexAttribArray(NORMAL_ARRAY);
+	glEnableVertexAttribArray(TEXCOORD_ARRAY);
+
+	for(unsigned int i = 0; i < m_Scene.nNumMeshNode; ++i)
+	{
+		SPODNode& Node = m_Scene.pNode[i];
+
+		// Get the node model matrix
+		PVRTMat4 mWorld;
+		mWorld = m_Scene.GetWorldMatrix(Node);
+
+		// Pass the model-view-projection matrix (MVP) to the shader to transform the vertices
+		PVRTMat4 mModelView, mMVP;
+		mModelView = m_View * mWorld;
+		mMVP = m_Projection * mModelView;
+		glUniformMatrix4fv(m_ShaderProgram.uiMVPMatrixLoc, 1, GL_FALSE, mMVP.f);
+
+		// Pass the light direction in model space to the shader
+		PVRTVec4 vLightDir;
+		vLightDir = mWorld.inverse() * m_LightDir;
+
+		PVRTVec3 vLightDirModel = *(PVRTVec3*) vLightDir.ptr();
+		vLightDirModel.normalize();
+
+		glUniform3fv(m_ShaderProgram.uiLightDirLoc, 1, &vLightDirModel.x);
+
+		// Load the correct texture for the mesh using our texture lookup table
+		GLuint uiTex = 0;
+
+		if(Node.nIdxMaterial != -1)
+			uiTex = m_puiTextureIDs[Node.nIdxMaterial];
+
+		glBindTexture(GL_TEXTURE_2D, uiTex);
+
+		/*
+			Now that the model-view matrix is set and the materials ready,
+			call another function to actually draw the mesh.
+		*/
+		DrawMesh(i);
+	}
+
+	// Safely disable the vertex attribute arrays
+	glDisableVertexAttribArray(VERTEX_ARRAY);
+	glDisableVertexAttribArray(NORMAL_ARRAY);
+	glDisableVertexAttribArray(TEXCOORD_ARRAY);
+
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+	// Display the demo name using the tools. For a detailed explanation, see the training course IntroducingPVRTools
+	m_Print3D.DisplayDefaultTitle("DisplacementMapping", "", ePVRTPrint3DSDKLogo);
+	m_Print3D.Flush();
+
+	return true;
+}
+
+/*!****************************************************************************
+ @Function		DrawMesh
+ @Input			i32NodeIndex		Node index of the mesh to draw
+ @Description	Draws a SPODMesh after the model view matrix has been set and
+				the material prepared.
+******************************************************************************/
+void OGLES2DisplacementMap::DrawMesh(int i32NodeIndex)
+{
+	int i32MeshIndex = m_Scene.pNode[i32NodeIndex].nIdx;
+	SPODMesh* pMesh = &m_Scene.pMesh[i32MeshIndex];
+
+	// bind the VBO for the mesh
+	glBindBuffer(GL_ARRAY_BUFFER, m_puiVbo[i32MeshIndex]);
+	// bind the index buffer, won't hurt if the handle is 0
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_puiIndexVbo[i32MeshIndex]);
+
+	// Set the vertex attribute offsets
+	glVertexAttribPointer(VERTEX_ARRAY, 3, GL_FLOAT, GL_FALSE, pMesh->sVertex.nStride, pMesh->sVertex.pData);
+	glVertexAttribPointer(NORMAL_ARRAY, 3, GL_FLOAT, GL_FALSE, pMesh->sNormals.nStride, pMesh->sNormals.pData);
+	glVertexAttribPointer(TEXCOORD_ARRAY, 2, GL_FLOAT, GL_FALSE, pMesh->psUVW[0].nStride, pMesh->psUVW[0].pData);
+
+	/*
+		The geometry can be exported in 4 ways:
+		- Indexed Triangle list
+		- Non-Indexed Triangle list
+		- Indexed Triangle strips
+		- Non-Indexed Triangle strips
+	*/
+	if(pMesh->nNumStrips == 0)
+	{
+		if(m_puiIndexVbo[i32MeshIndex])
+		{
+			// Indexed Triangle list
+			glDrawElements(GL_TRIANGLES, pMesh->nNumFaces*3, GL_UNSIGNED_SHORT, 0);
+		}
+		else
+		{
+			// Non-Indexed Triangle list
+			glDrawArrays(GL_TRIANGLES, 0, pMesh->nNumFaces*3);
+		}
+	}
+	else
+	{
+		int offset = 0;
+
+		for(int i = 0; i < (int)pMesh->nNumStrips; ++i)
+		{
+			if(m_puiIndexVbo[i32MeshIndex])
+			{
+				// Indexed Triangle strips
+				glDrawElements(GL_TRIANGLE_STRIP, pMesh->pnStripLength[i]+2, GL_UNSIGNED_SHORT, &((GLshort*)0)[offset]);
+			}
+			else
+			{
+				// Non-Indexed Triangle strips
+				glDrawArrays(GL_TRIANGLE_STRIP, offset, pMesh->pnStripLength[i]+2);
+			}
+			offset += pMesh->pnStripLength[i]+2;
+		}
+	}
+}
+
+/*!****************************************************************************
+ @Function		NewDemo
+ @Return		PVRShell*		The demo supplied by the user
+ @Description	This function must be implemented by the user of the shell.
+				The user should return its PVRShell object defining the
+				behaviour of the application.
+******************************************************************************/
+PVRShell* NewDemo()
+{
+	return new OGLES2DisplacementMap();
+}
+
+/******************************************************************************
+ End of file (OGLES2DisplacementMap.cpp)
+******************************************************************************/
+
--- a/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/VertShader.vsh
+++ b/tests/third_party/PowerVR/Examples/Intermediate/DisplacementMap/OGLES2/VertShader.vsh
+attribute highp   vec3  inVertex;
+attribute mediump vec3  inNormal;
+attribute mediump vec2  inTexCoord;
+
+uniform highp   mat4  MVPMatrix;
+uniform mediump vec3  LightDirection;
+uniform mediump	float  DisplacementFactor;
+
+varying lowp    float  LightIntensity;
+varying mediump vec2   TexCoord;
+
+uniform sampler2D  sDisMap;
+
+void main()
+{
+	/* 
+		Calculate the displacemnt value by taking the colour value from our texture
+		and scale it by out displacement factor.
+	*/
+	mediump float disp = texture2D(sDisMap, inTexCoord).r * DisplacementFactor;
+
+	/* 
+		Transform position by the model-view-projection matrix but first
+		move the untransformed position along the normal by our displacement
+		value.
+	*/
+	gl_Position = MVPMatrix * vec4(inVertex + (inNormal * disp), 1.0);
+
+	// Pass through texcoords
+	TexCoord = inTexCoord;
+	
+	// Simple diffuse lighting in model space
+	LightIntensity = dot(inNormal, -LightDirection);
+}
\ No newline at end of file