void STKAnimatedMesh::uploadJoints(const irr::core::matrix4& m,
int joint, int offset)
{
assert(offset != -1);
glBindBuffer(GL_UNIFORM_BUFFER, SharedGPUObjects::getSkinningUBO());
glBufferSubData(GL_UNIFORM_BUFFER, offset + joint * 16 * sizeof(float),
16 * sizeof(float), m.pointer());
}
void btTransformFromIrrlichtMatrix(const irr::core::matrix4& irrmat, btTransform &transform)
{
transform.setIdentity();
/*btScalar mat[16];
for(irr::u32 i=0; i < 16; i++)
{
mat[i] = irrmat.pointer()[i];
}*/
transform.setFromOpenGLMatrix(irrmat.pointer());
//transform.setFromOpenGLMatrix(mat);
}
void RainNode::simulate() {
glUseProgram(SimulationProgram);
const float time = irr_driver->getDevice()->getTimer()->getTime() / 90.0f;
const irr::core::matrix4 viewm = irr_driver->getVideoDriver()->getTransform(irr::video::ETS_VIEW);
const irr::core::vector3df campos = irr_driver->getSceneManager()->getActiveCamera()->getPosition();
glEnable(GL_RASTERIZER_DISCARD);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, tfb_vertex_buffer[0]);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfb_vertex_buffer[1]);
glUniformMatrix4fv(loc_viewm, 1, GL_FALSE, viewm.pointer());
glUniform1f(loc_time, time);
glUniform3f(loc_campos, campos.X, campos.Y, campos.Z);
glBeginTransformFeedback(GL_POINTS);
glDrawArrays(GL_POINTS, 0, count);
glEndTransformFeedback();
glDisable(GL_RASTERIZER_DISCARD);
}
void btTransformFromIrrlichtMatrix(const irr::core::matrix4& irrmat, btTransform &transform)
{
transform.setIdentity();
transform.setFromOpenGLMatrix(irrmat.pointer());
}
void btTransformToIrrlichtMatrix(const btTransform& worldTrans, irr::core::matrix4 &matr)
{
worldTrans.getOpenGLMatrix(matr.pointer());
}
static void setUniformsHelper(const std::vector<GLuint> &uniforms, const irr::core::matrix4 &mat, Args... arg)
{
glUniformMatrix4fv(uniforms[N], 1, GL_FALSE, mat.pointer());
setUniformsHelper<N + 1>(uniforms, arg...);
}