void KX_LightObject::BindShadowBuffer(RAS_IRasterizer *ras, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float*)viewmat);
MT_Matrix4x4 projectionmat((float*)winmat);
MT_Transform trans = MT_Transform((float*)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = ras->GetStereoMode();
ras->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
ras->SetProjectionMatrix(projectionmat);
ras->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->GetCameraData()->m_perspective);
ras->SetStereoMode(stereomode);
}
void RAS_OpenGLLight::BindShadowBuffer(RAS_ICanvas *canvas, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
if (GPU_lamp_shadow_buffer_type(lamp) == LA_SHADMAP_VARIANCE) {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_VARIANCE);
}
else {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_SIMPLE);
}
/* GPU_lamp_shadow_buffer_bind() changes the viewport, so update the canvas */
canvas->UpdateViewPort(0, 0, winsize, winsize);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float *)viewmat);
MT_Matrix4x4 projectionmat((float *)winmat);
MT_Transform trans = MT_Transform((float *)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = m_rasterizer->GetStereoMode();
m_rasterizer->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
m_rasterizer->SetProjectionMatrix(projectionmat);
m_rasterizer->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->NodeGetLocalScaling(), cam->GetCameraData()->m_perspective);
m_rasterizer->SetStereoMode(stereomode);
}