#include <GteFluid2InitializeSource.h>

Classes
struct	External

struct	Vortex

Public Member Functions
void	Execute (std::shared_ptr< GraphicsEngine > const &engine)

	Fluid2InitializeSource (std::shared_ptr< ProgramFactory > const &factory, int xSize, int ySize, int numXThreads, int numYThreads, std::shared_ptr< ConstantBuffer > const &parameters)

std::shared_ptr< Texture2 > const &	GetSource () const

Private Types
enum	{ NUM_VORTICES = 1024 }

Private Attributes
std::shared_ptr< ConstantBuffer >	mExternal

std::shared_ptr< ComputeProgram >	mGenerateVortex

std::shared_ptr< ComputeProgram >	mInitializeSource

int	mNumXGroups

int	mNumYGroups

std::shared_ptr< Texture2 >	mSource

std::shared_ptr< Texture2 >	mVelocity0

std::shared_ptr< Texture2 >	mVelocity1

std::shared_ptr< ConstantBuffer >	mVortex

Static Private Attributes
static std::string const *	msGenerateSource [ProgramFactory::PF_NUM_API]

static std::string const	msGLSLGenerateSource

static std::string const	msGLSLInitializeSource

static std::string const	msHLSLGenerateSource

static std::string const	msHLSLInitializeSource

static std::string const *	msInitializeSource [ProgramFactory::PF_NUM_API]

Detailed Description

Definition at line 20 of file GteFluid2InitializeSource.h.

Member Enumeration Documentation

anonymous enum

private

Enumerator
NUM_VORTICES

Definition at line 44 of file GteFluid2InitializeSource.h.

Constructor & Destructor Documentation

Fluid2InitializeSource::Fluid2InitializeSource	(	std::shared_ptr< ProgramFactory > const &	factory,
		int	xSize,
		int	ySize,
		int	numXThreads,
		int	numYThreads,
		std::shared_ptr< ConstantBuffer > const &	parameters
	)

Definition at line 15 of file GteFluid2InitializeSource.cpp.

Member Function Documentation

void Fluid2InitializeSource::Execute ( std::shared_ptr< GraphicsEngine > const & engine )

Definition at line 69 of file GteFluid2InitializeSource.cpp.

std::shared_ptr< Texture2 > const & gte::Fluid2InitializeSource::GetSource ( ) const

inline

Definition at line 77 of file GteFluid2InitializeSource.h.

Member Data Documentation

std::shared_ptr<ConstantBuffer> gte::Fluid2InitializeSource::mExternal

private

Definition at line 63 of file GteFluid2InitializeSource.h.

std::shared_ptr<ComputeProgram> gte::Fluid2InitializeSource::mGenerateVortex

private

Definition at line 60 of file GteFluid2InitializeSource.h.

std::shared_ptr<ComputeProgram> gte::Fluid2InitializeSource::mInitializeSource

private

Definition at line 61 of file GteFluid2InitializeSource.h.

int gte::Fluid2InitializeSource::mNumXGroups

private

Definition at line 59 of file GteFluid2InitializeSource.h.

int gte::Fluid2InitializeSource::mNumYGroups

private

Definition at line 59 of file GteFluid2InitializeSource.h.

std::string const * Fluid2InitializeSource::msGenerateSource

staticprivate

Initial value:

=
{
    &msGLSLGenerateSource,
    &msHLSLGenerateSource
}

Definition at line 73 of file GteFluid2InitializeSource.h.

std::string const Fluid2InitializeSource::msGLSLGenerateSource

staticprivate

Initial value:

=
"uniform Parameters\n"
"{\n"
"    vec4 spaceDelta;    // (dx, dy, 0, 0)\n"
"    vec4 halfDivDelta;  // (0.5/dx, 0.5/dy, 0, 0)\n"
"    vec4 timeDelta;     // (dt/dx, dt/dy, 0, dt)\n"
"    vec4 viscosityX;    // (velVX, velVX, 0, denVX)\n"
"    vec4 viscosityY;    // (velVX, velVY, 0, denVY)\n"
"    vec4 epsilon;       // (epsilonX, epsilonY, 0, epsilon0)\n"
"};\n"
"\n"
"uniform Vortex\n"
"{\n"
"    vec4 data;      // (x, y, variance, amplitude)\n"
"};\n"
"\n"
"layout(rg32f) uniform readonly image2D inVelocity;\n"
"layout(rg32f) uniform writeonly image2D outVelocity;\n"
"\n"
"layout (local_size_x = NUM_X_THREADS, local_size_y = NUM_Y_THREADS, local_size_z = 1) in;\n"
"void main()\n"
"{\n"
"    ivec2 c = ivec2(gl_GlobalInvocationID.xy);\n"
"    vec2 location = spaceDelta.xy*(c + 0.5f);\n"
"    vec2 diff = location - data.xy;\n"
"    float arg = -dot(diff, diff) / data.z;\n"
"    float magnitude = data.w*exp(arg);\n"
"    vec2 vortexVelocity = magnitude*vec2(diff.y, -diff.x);\n"
"    imageStore(outVelocity, c, vec4(imageLoad(inVelocity, c).xy + vortexVelocity, 0.0f, 0.0f));\n"
"}\n"

Definition at line 69 of file GteFluid2InitializeSource.h.

std::string const Fluid2InitializeSource::msGLSLInitializeSource

staticprivate

Definition at line 70 of file GteFluid2InitializeSource.h.

std::string const Fluid2InitializeSource::msHLSLGenerateSource

staticprivate

Initial value:

=
"cbuffer Parameters\n"
"{\n"
"    float4 spaceDelta;    // (dx, dy, 0, 0)\n"
"    float4 halfDivDelta;  // (0.5/dx, 0.5/dy, 0, 0)\n"
"    float4 timeDelta;     // (dt/dx, dt/dy, 0, dt)\n"
"    float4 viscosityX;    // (velVX, velVX, 0, denVX)\n"
"    float4 viscosityY;    // (velVX, velVY, 0, denVY)\n"
"    float4 epsilon;       // (epsilonX, epsilonY, 0, epsilon0)\n"
"};\n"
"\n"
"cbuffer Vortex\n"
"{\n"
"    float4 data;  // (x, y, variance, amplitude)\n"
"};\n"
"\n"
"Texture2D<float2> inVelocity;\n"
"RWTexture2D<float2> outVelocity;\n"
"\n"
"[numthreads(NUM_X_THREADS, NUM_Y_THREADS, 1)]\n"
"void CSMain(uint3 c : SV_DispatchThreadID)\n"
"{\n"
"    float2 location = spaceDelta.xy*(c.xy + 0.5f);\n"
"    float2 diff = location - data.xy;\n"
"    float arg = -dot(diff, diff) / data.z;\n"
"    float magnitude = data.w*exp(arg);\n"
"    float2 vortexVelocity = magnitude*float2(diff.y, -diff.x);\n"
"    outVelocity[c.xy] = inVelocity[c.xy] + vortexVelocity;\n"
"}\n"

Definition at line 71 of file GteFluid2InitializeSource.h.

std::string const Fluid2InitializeSource::msHLSLInitializeSource

staticprivate

Definition at line 72 of file GteFluid2InitializeSource.h.

std::string const * Fluid2InitializeSource::msInitializeSource

staticprivate

Initial value:

=
{
    &msGLSLInitializeSource,
    &msHLSLInitializeSource
}

Definition at line 74 of file GteFluid2InitializeSource.h.

std::shared_ptr<Texture2> gte::Fluid2InitializeSource::mSource

private

Definition at line 66 of file GteFluid2InitializeSource.h.

std::shared_ptr<Texture2> gte::Fluid2InitializeSource::mVelocity0

private

Definition at line 64 of file GteFluid2InitializeSource.h.

std::shared_ptr<Texture2> gte::Fluid2InitializeSource::mVelocity1

private

Definition at line 65 of file GteFluid2InitializeSource.h.

std::shared_ptr<ConstantBuffer> gte::Fluid2InitializeSource::mVortex

private

Definition at line 62 of file GteFluid2InitializeSource.h.

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

Classes

Public Member Functions

Private Types

Private Attributes

Static Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation