GPU Pro 6

374 V Mobile Devices

typedef struct _XFormFeedbackParticle

{

Vec3 Position ;

Vec3 Velocity ;

Vec4 Attrib ;

float Life ;

} XFormFeedbackParticle ;

glGenBuffers (2,m_XformFeedbackBuffers );

glBindBuffer ( GL_ARRAY_BUFFER ,

m_XformFeedbackBuffers [0] );

glBufferData ( GL_ARRAY_BUFFER ,

sizeof( XFormFeedbackParticle )

totalNumberOfParticles ,

NULL ,

GL_STREAM_DRAW );

glBindBuffer ( GL_ARRAY_BUFFER ,

m_XformFeedbackBuffers [1] );

glBufferData ( GL_ARRAY_BUFFER ,

sizeof( XFormFeedbackParticle )

totalNumberOfParticles ,

NULL ,

GL_STREAM_DRAW );

//Initialize the first buffer with the particles

//data from the emitters

unsigned int offset =0;

for( unsigned int i =0; i < m_Emitters ...