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);
}
int RAS_OpenGLLight::GetShadowBindCode()
{
GPULamp *lamp;
if ((lamp = GetGPULamp()))
return GPU_lamp_shadow_bind_code(lamp);
return -1;
}
void RAS_OpenGLLight::UnbindShadowBuffer()
{
GPULamp *lamp = GetGPULamp();
GPU_lamp_shadow_buffer_unbind(lamp);
if (GPU_lamp_shadow_buffer_type(lamp) == LA_SHADMAP_VARIANCE)
m_rasterizer->SetUsingOverrideShader(false);
}
int KX_LightObject::GetShadowLayer()
{
GPULamp *lamp;
if((lamp = GetGPULamp()))
return GPU_lamp_shadow_layer(lamp);
else
return 0;
}
bool KX_LightObject::HasShadowBuffer()
{
GPULamp *lamp;
if((lamp = GetGPULamp()))
return GPU_lamp_has_shadow_buffer(lamp);
else
return false;
}
void RAS_OpenGLLight::UnbindShadowBuffer()
{
GPULamp *lamp = GetGPULamp();
GPU_lamp_shadow_buffer_unbind(lamp);
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_NONE);
m_requestShadowUpdate = false;
}
int RAS_OpenGLLight::GetShadowLayer()
{
GPULamp *lamp;
if ((lamp = GetGPULamp()))
return GPU_lamp_shadow_layer(lamp);
else
return 0;
}
bool RAS_OpenGLLight::HasShadowBuffer()
{
GPULamp *lamp;
if ((lamp = GetGPULamp()))
return GPU_lamp_has_shadow_buffer(lamp);
else
return false;
}
MT_Matrix4x4 RAS_OpenGLLight::GetShadowMatrix()
{
GPULamp *lamp;
if ((lamp = GetGPULamp()))
return MT_Matrix4x4(GPU_lamp_dynpersmat(lamp));
MT_Matrix4x4 mat;
mat.setIdentity();
return mat;
}
KX_LightObject::~KX_LightObject()
{
GPULamp *lamp;
if((lamp = GetGPULamp())) {
float obmat[4][4] = {{0}};
GPU_lamp_update(lamp, 0, 0, obmat);
}
m_rendertools->RemoveLight(&m_lightobj);
}
RAS_OpenGLLight::~RAS_OpenGLLight()
{
GPULamp *lamp;
KX_LightObject *kxlight = (KX_LightObject *)m_light;
Lamp *la = (Lamp *)kxlight->GetBlenderObject()->data;
if ((lamp = GetGPULamp())) {
float obmat[4][4] = {{0}};
GPU_lamp_update(lamp, 0, 0, obmat);
GPU_lamp_update_distance(lamp, la->dist, la->att1, la->att2, la->coeff_const, la->coeff_lin, la->coeff_quad);
GPU_lamp_update_spot(lamp, la->spotsize, la->spotblend);
}
}
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);
}
void KX_LightObject::Update()
{
GPULamp *lamp;
if((lamp = GetGPULamp()) != NULL && GetSGNode()) {
float obmat[4][4];
// lights don't get their openGL matrix updated, do it now
if (GetSGNode()->IsDirty())
GetOpenGLMatrix();
double *dobmat = GetOpenGLMatrixPtr()->getPointer();
for(int i=0; i<4; i++)
for(int j=0; j<4; j++, dobmat++)
obmat[i][j] = (float)*dobmat;
GPU_lamp_update(lamp, m_lightobj.m_layer, 0, obmat);
GPU_lamp_update_colors(lamp, m_lightobj.m_red, m_lightobj.m_green,
m_lightobj.m_blue, m_lightobj.m_energy);
}
}
void RAS_OpenGLLight::Update()
{
GPULamp *lamp;
KX_LightObject *kxlight = (KX_LightObject *)m_light;
if ((lamp = GetGPULamp()) != NULL && kxlight->GetSGNode()) {
float obmat[4][4];
// lights don't get their openGL matrix updated, do it now
if (kxlight->GetSGNode()->IsDirty())
kxlight->GetOpenGLMatrix();
float *dobmat = kxlight->GetOpenGLMatrixPtr()->getPointer();
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++, dobmat++)
obmat[i][j] = (float)*dobmat;
int hide = kxlight->GetVisible() ? 0 : 1;
GPU_lamp_update(lamp, m_layer, hide, obmat);
GPU_lamp_update_colors(lamp, m_color[0], m_color[1],
m_color[2], m_energy);
GPU_lamp_update_distance(lamp, m_distance, m_att1, m_att2, m_coeff_const, m_coeff_lin, m_coeff_quad);
GPU_lamp_update_spot(lamp, m_spotsize, m_spotblend);
}
}
void KX_LightObject::UnbindShadowBuffer(RAS_IRasterizer *ras)
{
GPULamp *lamp = GetGPULamp();
GPU_lamp_shadow_buffer_unbind(lamp);
}
