EnvMap Class Reference

Most of application-specific logic is here. More...

#include <EnvMap.h>

List of all members.

Public Member Functions
	EnvMap ()
void	SetCamera (CModelViewerCamera *camera)
void	InvalidateCubeMap ()
void	InvalidateShininess ()
void	InvalidateResolution ()
D3DXVECTOR3 &	GetReferencePos ()
void	ChooseMesh (int whichMesh)
	Loads the specified mesh.
void	SetMeshSize (float d)
void	SetMeshPosition (D3DXVECTOR3 pos)
D3DXVECTOR3	GetMeshPosition ()
void	KeyboardProc (UINT nChar, bool bKeyDown, bool bAltDown)
	Handles keystroke messages.
void	DoRendering (D3DXMATRIXA16 &mView, D3DXMATRIXA16 &mProj)
	Render the scene.
void	DrawCenterObjects (D3DXMATRIXA16 &mView, D3DXMATRIXA16 &mProj)
	Draw the central diffuse/glossy object.
void	DrawEnvObjects (D3DXMATRIXA16 &mView, D3DXMATRIXA16 &mProj)
	Draw environment objects.
void	SetWorldViewProj (D3DXMATRIXA16 &mWorld, D3DXMATRIXA16 &mView, D3DXMATRIXA16 &mProj)
	Uploads the specified world/view/projection transformation matrices to the GPU.
D3DXMATRIXA16	ScaleAndOffset (float fScale, D3DXVECTOR3 vOffset)
D3DXMATRIXA16	ScaleAndOffset (D3DXVECTOR3 vScale, D3DXVECTOR3 vOffset)
void	RenderCubeMap (IDirect3DCubeTexture9 *pCubeTexture)
	Renders the environment into the specified cubemap.
IDirect3DTexture9 *	GenerateCosTexture (eval_fn evaluator)
	Generates precomputed texture to store values for the reflectivity integral. Uses the eval() function.
void	GenerateCosTextureIfNotFound (wchar_t *fileName, eval_fn evaluator)
	Calls GenerateCosTexture() if the specified texture is not yet calculated and stored as a texture in the cos subdirectory.
void	OnFrameRender (IDirect3DDevice9 *pd3dDevice, D3DXMATRIXA16 &mView, D3DXMATRIXA16 &mProj)
	Performs prepocessing steps if necessary and then renders the scene.
void	OnCreateDevice (IDirect3DDevice9 *pd3dDevice, ID3DXEffect *g_pEffect)
	Called by OnCreateDevice() (Main.cpp) to perform app-specific tasks.
void	OnDestroyDevice ()
	Called by OnDestroyDevice() (Main.cpp) to perform app-specific tasks.
void	OnResetDevice ()
	Called by OnResetDevice() (Main.cpp) to perform app-specific tasks.
void	OnLostDevice ()
	Called by OnLostDevice() (Main.cpp) to perform app-specific tasks.
void	InitFullScreenQuad ()
void	DrawFullScreenQuad ()
void	ReduceCubeMapSize (IDirect3DCubeTexture9 *pSourceCube, IDirect3DCubeTexture9 *pDestCube)
	Downsample a cube map to resolution LR_CUBEMAP_SIZE.
void	PreConvolve (IDirect3DCubeTexture9 *pSourceCube, IDirect3DCubeTexture9 *pDestCube)
	Calculates the irradiance map by convolution.
void	SaveCubeMap (IDirect3DCubeTexture9 *pCubeTexture, char *FileNamePrefix, char *FileNameSuffix="")
IDirect3DCubeTexture9 *	CreateCubeTexture (int size, D3DFORMAT Format)
Public Attributes
IDirect3DVertexBuffer9 *	pVertexBuffer
Private Types
typedef float(*	eval_fn )(float, float)
	Callback function to evaluate reflectivity integral. See GenerateCosTexture() and eval().
Private Attributes
IDirect3DDevice9 *	pd3dDevice
	THE D3D DEVICE.
ID3DXEffect *	g_pEffect
	THE EFFECT FILE.
CModelViewerCamera *	camera
	Rotate/zoom camera, always looking to the origin.
HRESULT	hr
IDirect3DCubeTexture9 *	pCubeTexture
	Cubemap that stores the environment as seen from the reference point. See method RenderCubeMap().
IDirect3DCubeTexture9 *	pCubeTextureSmall
	Low-resolution (downsampled) cubemap, derived from pCubeTexture. See ReduceCubeMapSize().
IDirect3DCubeTexture9 *	pCubeTexturePreConvolved
	Low-resolution cubemap that stores preconvolved data for diffuse/specular environment mapping. See method PreConvolve().
IDirect3DTexture9 *	pCosValuesTexture
	Helper texture with precomputed geometric factor values.
IDirect3DTexture9 *	pRoomTexture
	Texture to be displayed on the walls of the cubic room.
bool	bCubeMapIsValid
bool	bShininessIsValid
	indicates that the cube map has to be re-generated
Cube *	cube
	indicates that the reflectivity integral has to be re-calculated
float	roomSize
	Simple cube centralMesh for the room. See EnvMap::DrawEnvObjects().
Mesh *	centralMesh
	Size of the cubic room.
Mesh *	meshes [10]
	The diffuse/glossy object to be shaded.
int	meshCount
	Objects of the environment (fireballs, etc.).
D3DXVECTOR3	reference_pos
	Number of objects in the environment.

---

Detailed Description

Most of application-specific logic is here.

---

Member Typedef Documentation

typedef float(* EnvMap::eval_fn)(float, float) [private]

Callback function to evaluate reflectivity integral. See GenerateCosTexture() and eval().

---

Constructor & Destructor Documentation

EnvMap::EnvMap (   )  [inline]

---

Member Function Documentation

void EnvMap::ChooseMesh (  int  whichMesh  )

Loads the specified mesh.

IDirect3DCubeTexture9* EnvMap::CreateCubeTexture (  int  size, D3DFORMAT  Format )  [inline]

void EnvMap::DoRendering (  D3DXMATRIXA16 &  mView, D3DXMATRIXA16 &  mProj )

Render the scene.

void EnvMap::DrawCenterObjects (  D3DXMATRIXA16 &  mView, D3DXMATRIXA16 &  mProj )

Draw the central diffuse/glossy object.

void EnvMap::DrawEnvObjects (  D3DXMATRIXA16 &  mView, D3DXMATRIXA16 &  mProj )

Draw environment objects.

void EnvMap::DrawFullScreenQuad (   )  [inline]

IDirect3DTexture9 * EnvMap::GenerateCosTexture (  eval_fn  evaluator  )

Generates precomputed texture to store values for the reflectivity integral. Uses the eval() function.

void EnvMap::GenerateCosTextureIfNotFound (  wchar_t *  fileName, eval_fn  evaluator )

Calls GenerateCosTexture() if the specified texture is not yet calculated and stored as a texture in the cos subdirectory.

D3DXVECTOR3 EnvMap::GetMeshPosition (   )  [inline]

D3DXVECTOR3& EnvMap::GetReferencePos (   )  [inline]

void EnvMap::InitFullScreenQuad (   )  [inline]

void EnvMap::InvalidateCubeMap (   )  [inline]

void EnvMap::InvalidateResolution (   )

Called when the resolution of the cube maps is to change. To re-generate all resources, the DirectX device is simply reseted.

void EnvMap::InvalidateShininess (   )  [inline]

void EnvMap::KeyboardProc (  UINT  nChar, bool  bKeyDown, bool  bAltDown )

Handles keystroke messages.

void EnvMap::OnCreateDevice (  IDirect3DDevice9 *  pd3dDevice, ID3DXEffect *  g_pEffect )

Called by OnCreateDevice() (Main.cpp) to perform app-specific tasks.

void EnvMap::OnDestroyDevice (   )

Called by OnDestroyDevice() (Main.cpp) to perform app-specific tasks.

void EnvMap::OnFrameRender (  IDirect3DDevice9 *  pd3dDevice, D3DXMATRIXA16 &  mView, D3DXMATRIXA16 &  mProj )

Performs prepocessing steps if necessary and then renders the scene.

void EnvMap::OnLostDevice (   )

Called by OnLostDevice() (Main.cpp) to perform app-specific tasks.

void EnvMap::OnResetDevice (   )

Called by OnResetDevice() (Main.cpp) to perform app-specific tasks.

void EnvMap::PreConvolve (  IDirect3DCubeTexture9 *  pSourceCube, IDirect3DCubeTexture9 *  pDestCube )

Calculates the irradiance map by convolution. Convolves data from the source cubemap and stores the result in the target cubemap. Uses ConvolutionPS().

void EnvMap::ReduceCubeMapSize (  IDirect3DCubeTexture9 *  pSourceCube, IDirect3DCubeTexture9 *  pDestCube )

Downsample a cube map to resolution LR_CUBEMAP_SIZE.

void EnvMap::RenderCubeMap (  IDirect3DCubeTexture9 *  pCubeTexture  )

Renders the environment into the specified cubemap. The camera is placed into reference_pos. Uses technique IlluminatedScenePS() for rendering.

void EnvMap::SaveCubeMap (  IDirect3DCubeTexture9 *  pCubeTexture, char *  FileNamePrefix, char *  FileNameSuffix = "" )

D3DXMATRIXA16 EnvMap::ScaleAndOffset (  D3DXVECTOR3  vScale, D3DXVECTOR3  vOffset )

Sets the given scaling and offset. Returns: The resulting world transformation matrix.

D3DXMATRIXA16 EnvMap::ScaleAndOffset (  float  fScale, D3DXVECTOR3  vOffset )

Sets the given uniform scaling and an offset. Returns: The resulting world transformation matrix.

void EnvMap::SetCamera (  CModelViewerCamera *  camera  )  [inline]

void EnvMap::SetMeshPosition (  D3DXVECTOR3  pos  )  [inline]

void EnvMap::SetMeshSize (  float  d  )  [inline]

void EnvMap::SetWorldViewProj (  D3DXMATRIXA16 &  mWorld, D3DXMATRIXA16 &  mView, D3DXMATRIXA16 &  mProj )

Uploads the specified world/view/projection transformation matrices to the GPU.

---

Member Data Documentation

bool EnvMap::bCubeMapIsValid [private]

bool EnvMap::bShininessIsValid [private]

indicates that the cube map has to be re-generated

CModelViewerCamera* EnvMap::camera [private]

Rotate/zoom camera, always looking to the origin.

Mesh* EnvMap::centralMesh [private]

Size of the cubic room.

Cube* EnvMap::cube [private]

indicates that the reflectivity integral has to be re-calculated

ID3DXEffect* EnvMap::g_pEffect [private]

THE EFFECT FILE.

HRESULT EnvMap::hr [private]

int EnvMap::meshCount [private]

Objects of the environment (fireballs, etc.).

Mesh* EnvMap::meshes[10] [private]

The diffuse/glossy object to be shaded.

IDirect3DTexture9* EnvMap::pCosValuesTexture [private]

Helper texture with precomputed geometric factor values.

IDirect3DCubeTexture9* EnvMap::pCubeTexture [private]

Cubemap that stores the environment as seen from the reference point. See method RenderCubeMap().

IDirect3DCubeTexture9* EnvMap::pCubeTexturePreConvolved [private]

Low-resolution cubemap that stores preconvolved data for diffuse/specular environment mapping. See method PreConvolve().

IDirect3DCubeTexture9* EnvMap::pCubeTextureSmall [private]

Low-resolution (downsampled) cubemap, derived from pCubeTexture. See ReduceCubeMapSize().

IDirect3DDevice9* EnvMap::pd3dDevice [private]

THE D3D DEVICE.

IDirect3DTexture9* EnvMap::pRoomTexture [private]

Texture to be displayed on the walls of the cubic room.

IDirect3DVertexBuffer9* EnvMap::pVertexBuffer

D3DXVECTOR3 EnvMap::reference_pos [private]

Number of objects in the environment.

float EnvMap::roomSize [private]

Simple cube centralMesh for the room. See EnvMap::DrawEnvObjects().

---

The documentation for this class was generated from the following files:

• EnvMap.h
• EnvMap.cpp

---