ShallowGPU Class Reference

Handles the shallow water testcase simulation. More...

#include <shallowGPU.h>

List of all members.

Public Member Functions
	ShallowGPU (DataHandler *t, std::vector< Flood_Fill_data * > FFDataIn)
	Constructor for shallowGPU.
void	cycleBuffer ()
	change output buffer
void	initGPU ()
	Initializes GPU for simulation.
void	runSimGPU (GLfloat dt=1.0f/30.0f)
	Runs the simulation one timestep.
Public Attributes
GLuint	addProgram
	shader used for simulation
GLuint	advectVelocityXProgram
	shader used for simulation
GLuint	advectVelocityYProgram
	shader used for simulation
GLuint	advectWaterProgram
	shader used for simulation
GLuint	shallowBuffers [9]
	Buffers used for passing data between shaders.
GLuint	updateHeightProgram
	shader used for simulation
GLuint	updateVelocityProgram
	shader used for simulation
Private Member Functions
int	clip (int n, int lower, int upper)
	clamps the int value
float	clipf (GLfloat n, GLfloat lower, GLfloat upper)
	clamps the float value
void	floodFill (float *u, int x, int z, float height)
	Floodfills point x,z to height and saves in heightmap u.
void	initFloodFill (float *u)
	Runs the floodfill algorithms.
void	Print (GLuint bID, std::string msg, int iter) const
	Prints debug info for buffer at bID.
void	PrintHelper (std::string start_end, std::string msg, int iter) const
	helper function for print.
void	PrintNumber (float value) const
	helper function for print.
Private Attributes
GLuint	bufferOut
	Out buffer to be rendered.
GLuint	cycle
	Cycle used for selecting render output.
std::vector< Flood_Fill_data * >	flood
	Floodfill data structure.
float *	flow
	Array of added flow per iteration.
DataHandler *	terr
	Handle to terrain.
GLint	texHeight
	height of simulation area
GLint	texWidth
	width of simulation area
GLfloat	totTime
	Variable for time measurements.
Static Private Attributes
static bool	DEBUG = false
	Print debug information (should be static member instead)

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Detailed Description

Handles the shallow water testcase simulation.

Definition at line 15 of file shallowGPU.h.

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Constructor & Destructor Documentation

ShallowGPU::ShallowGPU	(	DataHandler *	t,
		std::vector< Flood_Fill_data * >	FFDataIn
	)		[inline]

Constructor for shallowGPU.

Must take handle to terrain and a floodfill data vector

Definition at line 86 of file shallowGPU.h.

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Member Function Documentation

int ShallowGPU::clip	(	int	n,
		int	lower,
		int	upper
	)		[private]

clamps the int value

Clamps the int value n, between lower and upper.

Definition at line 64 of file shallowGPU.cpp.

GLfloat ShallowGPU::clipf	(	GLfloat	n,
		GLfloat	lower,
		GLfloat	upper
	)		[private]

clamps the float value

Clamps the float value n, between lower and upper.

Definition at line 68 of file shallowGPU.cpp.

void ShallowGPU::floodFill	(	float *	u,
		int	x,
		int	z,
		float	height
	)		[private]

Floodfills point x,z to height and saves in heightmap u.

Data is provided for floodpoints at construction.

Definition at line 25 of file shallowGPU.cpp.

void ShallowGPU::initFloodFill

(

float *

u

)

[private]

Runs the floodfill algorithms.

Data is provided for floodpoints at construction.

Definition at line 244 of file shallowGPU.cpp.

void ShallowGPU::Print	(	GLuint	bID,
		std::string	msg,
		int	iter
	)		const [private]

Prints debug info for buffer at bID.

Prints the message and the iteration aswell.

Definition at line 360 of file shallowGPU.cpp.

void ShallowGPU::runSimGPU

(

GLfloat

dt = 1.0f/30.0f

)

Runs the simulation one timestep.

Definition at line 252 of file shallowGPU.cpp.

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

• src/shallowGPU.h
• src/shallowGPU.cpp