TEST(ReadPng, Png_Monochrome) {
Image<unsigned char> image;
string png_filename = string(THIS_SOURCE_DIR) + "/image_test/two_pixels_monochrome.png";
EXPECT_TRUE(ReadImage(png_filename.c_str(), &image));
EXPECT_EQ(2, image.Width());
EXPECT_EQ(1, image.Height());
EXPECT_EQ(1, image.Depth());
EXPECT_EQ(image(0,0), (unsigned char)255);
EXPECT_EQ(image(0,1), (unsigned char)0);
}
TEST(ReadJpg, Jpg_Color) {
Image<RGBColor> image;
string jpg_filename = string(THIS_SOURCE_DIR) + "/image_test/two_pixels_color.jpg";
EXPECT_TRUE(ReadImage(jpg_filename.c_str(), &image));
EXPECT_EQ(2, image.Width());
EXPECT_EQ(1, image.Height());
EXPECT_EQ(3, image.Depth());
EXPECT_EQ(image(0,0), RGBColor(255, 125, 11));
EXPECT_EQ(image(0,1), RGBColor( 20, 127, 255));
}
TEST(ReadPnm, PgmComments) {
Image<unsigned char> image;
string pgm_filename = string(THIS_SOURCE_DIR) + "/image_test/two_pixels_gray.pgm";
EXPECT_TRUE(ReadImage(pgm_filename.c_str(), &image));
EXPECT_EQ(2, image.Width());
EXPECT_EQ(1, image.Height());
EXPECT_EQ(1, image.Depth());
EXPECT_EQ(image(0,0), (unsigned char)255);
EXPECT_EQ(image(0,1), (unsigned char)0);
}
TEST(ReadPnm, Ppm) {
Image<RGBColor> image;
string ppm_filename = string(THIS_SOURCE_DIR) + "/image_test/two_pixels.ppm";
EXPECT_TRUE(ReadImage(ppm_filename.c_str(), &image));
EXPECT_EQ(2, image.Width());
EXPECT_EQ(1, image.Height());
EXPECT_EQ(3, image.Depth());
EXPECT_EQ(image(0,0), RGBColor( (unsigned char)255));
EXPECT_EQ(image(0,1), RGBColor( (unsigned char)0));
}
TEST(ReadPng, Png_Color) {
Image<RGBAColor> image;
string png_filename = string(THIS_SOURCE_DIR) + "/image_test/two_pixels_color.png";
EXPECT_TRUE(ReadImage(png_filename.c_str(), &image));
// Depth is 4 (RGBA by default)
EXPECT_EQ(2, image.Width());
EXPECT_EQ(1, image.Height());
EXPECT_EQ(4, image.Depth());
EXPECT_EQ(image(0,0), RGBAColor(255, 125, 10, 255));
EXPECT_EQ(image(0,1), RGBAColor( 20, 127, 255,255));
}
void CMeanFilter_GPU::Apply(const Image& input, Image& output)
{
const int radius = CFilterParameterInterpreter<int>::Convert(_parameters->GetParameter("Radius"));
const int width = input.Width();
const int height = input.Height();
const int NbPixel = width * height;
const int depth = input.Depth();
const unsigned char *image_data = input.Data();
unsigned char *output_data = output.Data();
//int *TempPix = new int[ NbPixel * 2 ];
unsigned char *TempMask = new unsigned char[NbPixel];
//memset( TempPix, 0, NbPixel * 2 * sizeof( int ) );
memset(TempMask, 255, NbPixel * sizeof(unsigned char));
auto current_device = OpenCLUtils::Instance()->GetCurrentDevice();
const cl::Context Context = current_device.Context();
cl_int Error;
cl_mem_flags InOutMemFlags = CL_MEM_READ_WRITE;
cl_mem_flags InMemFlags = CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR;
cl_mem_flags OutMemFlags = CL_MEM_WRITE_ONLY;
// If you ever change the local size, don't forget to change the size in the kernel
// Global size must be a multiple of local size
unsigned int GlobalSizeY = height;
unsigned int GlobalSizeX = width;
cl::Buffer ImBuffer(Context, InMemFlags, NbPixel * depth * sizeof(unsigned char), (void*)image_data, &Error);
cl::Buffer MaskBuffer(Context, InMemFlags, NbPixel * sizeof(unsigned char), (void*)TempMask, &Error);
cl::Buffer OutBuffer(Context, OutMemFlags, NbPixel * depth * sizeof(unsigned char), 0, &Error);
cl::CommandQueue Queue = current_device.CommandQueue();
cl::Event Event;
// Horizontal pass
int Index = 0;
m_KernelH.setArg(Index++, ImBuffer);
m_KernelH.setArg(Index++, MaskBuffer);
m_KernelH.setArg(Index++, OutBuffer);
m_KernelH.setArg(Index++, height);
m_KernelH.setArg(Index++, width);
m_KernelH.setArg(Index++, radius);
Queue.enqueueNDRangeKernel(m_KernelH, cl::NullRange, cl::NDRange(GlobalSizeX, GlobalSizeY), cl::NullRange, 0, &Event);
Event.wait();
Queue.enqueueReadBuffer(OutBuffer, true, 0, NbPixel * depth * sizeof(unsigned char), (void*)output_data, 0, &Event);
Event.wait();
Queue.finish();
delete[] TempMask;
}
//template<typename ImageOut>
static void rgbFloat2rgbInt(
const Image< RGBfColor >& imaIn,
Image< RGBColor > *imaOut,
float factor = 255.f )
{
assert( imaIn.Depth() == 3 );
(*imaOut).resize(imaIn.Width(), imaIn.Height());
// Convert each int RGB to float RGB values
for( int j = 0; j < imaIn.Height(); ++j )
for( int i = 0; i < imaIn.Width(); ++i )
convertFloatToInt( imaIn( j, i ), (*imaOut)( j, i ), factor );
}
double GetTypeRange(const Image& Img)
{
switch (Img.Depth())
{
case 8:
return 0xFF;
case 16:
return 0xFFFF;
case 32:
if (Img.IsFloat())
return 0xFF;
return 0xFFFFFFFF;
default:
assert(false); // Wrong type used
return 1;
}
}
double GetTypeMin(const Image& Img)
{
if (Img.IsUnsigned())
return 0;
if (Img.IsFloat())
return 0;
switch (Img.Depth())
{
case 8:
return -128.;
case 16:
return -32768.;
case 32:
return -2147483648.;
default:
assert(false); // Wrong type used
return 0;
}
}
void CMeanFilter_GPUPad::Apply(const Image& input, Image& output)
{
const int radius = CFilterParameterInterpreter<int>::Convert(_parameters->GetParameter("Radius"));
const int GroupSize = 32;
const int width = input.Width();
const int height = input.Height();
const int depth = input.Depth();
const int NbPixel = width * height;
const uchar *image_data = input.Data();
uchar *output_data = output.Data();
const int NewHeight = Utils::GetNextMultipleOf(height, GroupSize) + radius * 2 + GroupSize;
const int NewWidth = Utils::GetNextMultipleOf(width, GroupSize) + radius * 2 + GroupSize;
const int NewNbPixel = NewHeight * NewWidth;
Image NewImage(NewWidth, NewHeight, depth);
int *TempPix = new int[NewNbPixel * 2 * depth];
unsigned char *TempMask = new unsigned char[NewNbPixel];
Image NewOut(NewWidth, NewHeight, depth);
memset(TempPix, 0, NewNbPixel * 2 * depth * sizeof(int));
memset(TempMask, 0, NewNbPixel * sizeof(unsigned char));
// Copy image into subrect
int NewImageIndex = 0;
int OldImageIndex = 0;
int temp_val = 0;
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < width; ++j)
{
for (int k = 0; k < depth; ++k)
{
NewImage(i + radius,j + radius,k) = input(i,j,k);
}
TempMask[(i+radius) * NewWidth + j + radius] = 1;
}
}
auto current_device = OpenCLUtils::Instance()->GetCurrentDevice();
const cl::Context Context = current_device.Context();
cl_int Error;
cl_mem_flags InOutMemFlags = CL_MEM_READ_WRITE;
cl_mem_flags InMemFlags = CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR;
cl_mem_flags OutMemFlags = CL_MEM_WRITE_ONLY;
// If you ever change the local size, don't forget to change the size in the kernel
unsigned int LocalSizeY = 1;
unsigned int LocalSizeX = GroupSize;
// Global size must be a multiple of local size
unsigned int GlobalSizeY = (height + LocalSizeY - 1) / LocalSizeY;
GlobalSizeY *= LocalSizeY;
unsigned int GlobalSizeX = (width + LocalSizeX - 1) / LocalSizeX;
GlobalSizeX *= LocalSizeX;
cl::Buffer ImBuffer(Context, InMemFlags, NewNbPixel * depth * sizeof(unsigned char), (void*)NewImage.Data(), &Error);
cl::Buffer MaskBuffer(Context, InMemFlags, NewNbPixel * sizeof(unsigned char), (void*)TempMask, &Error);
cl::Buffer ImTempBuffer(Context,
InOutMemFlags, NewNbPixel * 2 * depth * sizeof(int),
0, &Error);
cl::Buffer OutBuffer(Context, OutMemFlags, NewNbPixel * depth * sizeof(unsigned char), 0, &Error);
cl::CommandQueue Queue = current_device.CommandQueue();
cl::Event Event;
// Zero out temp buffer
m_KernelZero.setArg(0, ImTempBuffer);
Queue.enqueueNDRangeKernel(m_KernelZero, cl::NullRange, cl::NDRange(NewNbPixel), cl::NullRange, 0, &Event);
Event.wait();
// Horizontal pass
int Index = 0;
m_KernelH.setArg(Index++, ImBuffer);
m_KernelH.setArg(Index++, MaskBuffer);
m_KernelH.setArg(Index++, ImTempBuffer);
m_KernelH.setArg(Index++, NewHeight);
m_KernelH.setArg(Index++, NewWidth);
m_KernelH.setArg(Index++, radius);
Queue.enqueueNDRangeKernel(m_KernelH, cl::NullRange, cl::NDRange(GlobalSizeX, GlobalSizeY), cl::NDRange(LocalSizeX, LocalSizeY), 0, &Event);
Event.wait();
// Vertical pass
LocalSizeY = GroupSize;
LocalSizeX = 1;
// Global size must be a multiple of local size
GlobalSizeY = (height + LocalSizeY - 1) / LocalSizeY;
GlobalSizeY *= LocalSizeY;
GlobalSizeX = (width + LocalSizeX - 1) / LocalSizeX;
GlobalSizeX *= LocalSizeX;
Index = 0;
m_KernelV.setArg(Index++, ImTempBuffer);
m_KernelV.setArg(Index++, OutBuffer);
m_KernelV.setArg(Index++, NewHeight);
m_KernelV.setArg(Index++, NewWidth);
m_KernelV.setArg(Index++, radius);
Queue.enqueueNDRangeKernel(m_KernelV, cl::NullRange, cl::NDRange(GlobalSizeY, GlobalSizeX), cl::NDRange(LocalSizeY, LocalSizeX), 0, &Event);
Event.wait();
Queue.enqueueReadBuffer(OutBuffer, true, 0, NewNbPixel * depth * sizeof(unsigned char), (void*)NewOut.Data(), 0, &Event);
Event.wait();
Queue.finish();
//PrintToFile( NewOut, (size_t)NewWidth, (size_t)NewHeight, "GPUPad.txt" );
// Read Sub rect
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < width; ++j)
{
for (int k = 0; k < depth; ++k)
{
output(i,j,k) = NewOut(i+radius, j+radius,k);
}
}
}
delete[] TempPix;
delete[] TempMask;
}
void MeanFilter_CPU::Apply(const Image &input, Image &output)
{
const int radius = CFilterParameterInterpreter<int>::Convert(_parameters->GetParameter("Radius"));
const int width = input.Width();
const int height = input.Height();
const int depth = input.Depth();
const unsigned char *data = input.Data();
unsigned char *out_data = output.Data();
int i = 0, j = 0, ii = 0, jj = 0;
int borneInfx = 0, borneSupx = radius + 1;
std::vector<int> accuYMemoryR; accuYMemoryR.resize(radius + 1, 0);
std::vector<int> compteurYMemoryR; compteurYMemoryR.resize(radius + 1, 0);
std::vector<int> accuYMemoryG; accuYMemoryG.resize(radius + 1, 0);
std::vector<int> compteurYMemoryG; compteurYMemoryG.resize(radius + 1, 0);
std::vector<int> accuYMemoryB; accuYMemoryB.resize(radius + 1, 0);
std::vector<int> compteurYMemoryB; compteurYMemoryB.resize(radius + 1, 0);
int index = 0;
int nbpt_R = 0;
int nbpttemp_R = 0;
int sommetemp_R = 0;
int somme_R = 0;
int compteurligneY_R = 0;
int sommeligneY_R = 0;
int valtemp_R = 0;
int nbpt_G = 0;
int nbpttemp_G = 0;
int sommetemp_G = 0;
int somme_G = 0;
int compteurligneY_G = 0;
int sommeligneY_G = 0;
int valtemp_G = 0;
int nbpt_B = 0;
int nbpttemp_B = 0;
int sommetemp_B = 0;
int somme_B = 0;
int compteurligneY_B = 0;
int sommeligneY_B = 0;
int valtemp_B = 0;
// Initialisation
for (jj = 0; jj < radius + 1; jj++){
for (ii = 0; ii < radius + 1; ii++){
index = (jj * width + ii) * depth;
valtemp_R = int(data[index]);
accuYMemoryR[jj] = accuYMemoryR[jj] + valtemp_R; // Somme des valeurs horizontalement
compteurYMemoryR[jj] = compteurYMemoryR[jj] + 1;
somme_R += valtemp_R;
nbpt_R += 1;
valtemp_G = int(data[index + 1]);
accuYMemoryG[jj] = accuYMemoryG[jj] + valtemp_G; // Somme des valeurs horizontalement
compteurYMemoryG[jj] = compteurYMemoryG[jj] + 1;
somme_G += valtemp_G;
nbpt_G += 1;
valtemp_B = int(data[index + 2]);
accuYMemoryB[jj] = accuYMemoryB[jj] + valtemp_B; // Somme des valeurs horizontalement
compteurYMemoryB[jj] = compteurYMemoryB[jj] + 1;
somme_B += valtemp_B;
nbpt_B += 1;
}
}
std::vector<int> compteurY_R; compteurY_R.resize(radius + 1, 0);
std::vector<int> accuY_R; accuY_R.resize(radius + 1, 0);
std::vector<int> compteurY_G; compteurY_G.resize(radius + 1, 0);
std::vector<int> accuY_G; accuY_G.resize(radius + 1, 0);
std::vector<int> compteurY_B; compteurY_B.resize(radius + 1, 0);
std::vector<int> accuY_B; accuY_B.resize(radius + 1, 0);
// Boucle principale
for (i = 0; i < width; ++i){
accuY_R = accuYMemoryR;
compteurY_R = compteurYMemoryR;
accuY_G = accuYMemoryG;
compteurY_G = compteurYMemoryG;
accuY_B = accuYMemoryB;
compteurY_B = compteurYMemoryB;
sommetemp_R = somme_R;
nbpttemp_R = nbpt_R;
sommetemp_G = somme_G;
nbpttemp_G = nbpt_G;
sommetemp_B = somme_B;
nbpttemp_B = nbpt_B;
index = 0;
if (nbpttemp_R != 0){
out_data[i * depth] = (unsigned char)((double)sommetemp_R / (double)nbpttemp_R);
}
if (nbpttemp_G != 0){
out_data[i * depth + 1] = (unsigned char)((double)sommetemp_G / (double)nbpttemp_G);
}
if (nbpttemp_B != 0){
out_data[i * depth + 2] = (unsigned char)((double)sommetemp_B / (double)nbpttemp_B);
}
borneInfx = (i - radius > 0) ? (i - radius) : 0; // ATTENTION
borneSupx = (i + radius + 1 < width) ? (i + radius + 1) : width;
for (j = 1; j < height; ++j){
jj = j + radius;
// Si on peut entrer une nouvelle ligne
if (jj < height){
for (ii = borneInfx; ii < borneSupx; ii++){
sommeligneY_R += int(data[(jj * width + ii) * depth]);
compteurligneY_R++;
sommeligneY_G += int(data[(jj * width + ii) * depth + 1]);
compteurligneY_G++;
sommeligneY_B += int(data[(jj * width + ii) * depth + 2]);
compteurligneY_B++;
}
sommetemp_R += sommeligneY_R;
nbpttemp_R += compteurligneY_R;
accuY_R.push_back(sommeligneY_R);
compteurY_R.push_back(compteurligneY_R);
sommeligneY_R = 0;
compteurligneY_R = 0;
sommetemp_G += sommeligneY_G;
nbpttemp_G += compteurligneY_G;
accuY_G.push_back(sommeligneY_G);
compteurY_G.push_back(compteurligneY_G);
sommeligneY_G = 0;
compteurligneY_G = 0;
sommetemp_B += sommeligneY_B;
nbpttemp_B += compteurligneY_B;
accuY_B.push_back(sommeligneY_B);
compteurY_B.push_back(compteurligneY_B);
sommeligneY_B = 0;
compteurligneY_B = 0;
}
// Si on ne touche plus le bord
if ((j - radius) > 0){
sommetemp_R -= accuY_R[index];
nbpttemp_R -= compteurY_R[index];
sommetemp_G -= accuY_G[index];
nbpttemp_G -= compteurY_G[index];
sommetemp_B -= accuY_B[index];
nbpttemp_B -= compteurY_B[index];
index++;
}
if (nbpttemp_R != 0){
out_data[(j * width + i) * depth] = (unsigned char)((double)sommetemp_R / (double)nbpttemp_R);
}
if (nbpttemp_G != 0){
out_data[(j * width + i) * depth + 1] = (unsigned char)((double)sommetemp_G / (double)nbpttemp_G);
}
if (nbpttemp_B != 0){
out_data[(j * width + i) * depth + 2] = (unsigned char)((double)sommetemp_B / (double)nbpttemp_B);
}
}
// Reinitialisation
accuY_R.resize(radius + 1, 0);
compteurY_R.resize(radius + 1, 0);
accuY_G.resize(radius + 1, 0);
compteurY_G.resize(radius + 1, 0);
accuY_B.resize(radius + 1, 0);
compteurY_B.resize(radius + 1, 0);
index = 0;
if (i - radius >= 0){
for (jj = 0; jj < (radius + 1) && jj < height; jj++){
valtemp_R = int(data[(jj * width + borneInfx) * depth]);
accuYMemoryR[jj] -= valtemp_R;// accuYMemory[jj] - valtemp;
compteurYMemoryR[jj]--;// = compteurYMemory[jj] - 1;
somme_R -= valtemp_R;
nbpt_R--;
valtemp_G = int(data[(jj * width + borneInfx) * depth + 1]);
accuYMemoryG[jj] -= valtemp_G;// accuYMemory[jj] - valtemp;
compteurYMemoryG[jj]--;// = compteurYMemory[jj] - 1;
somme_G -= valtemp_G;
nbpt_G--;
valtemp_B = int(data[(jj * width + borneInfx) * depth + 2]);
accuYMemoryB[jj] -= valtemp_B;// accuYMemory[jj] - valtemp;
compteurYMemoryB[jj]--;// = compteurYMemory[jj] - 1;
somme_B -= valtemp_B;
nbpt_B--;
}
}
if (borneSupx < width){
for (jj = 0; jj < (radius + 1) && jj < height; jj++){
valtemp_R = int(data[(jj * width + borneSupx) * depth]);
accuYMemoryR[jj] += valtemp_R;// accuYMemory[jj] + valtemp;
compteurYMemoryR[jj]++;// = compteurYMemory[jj] + 1;
somme_R += valtemp_R;
nbpt_R++;
valtemp_G = int(data[(jj * width + borneSupx) * depth + 1]);
accuYMemoryG[jj] += valtemp_G;// accuYMemory[jj] + valtemp;
compteurYMemoryG[jj]++;// = compteurYMemory[jj] + 1;
somme_G += valtemp_G;
nbpt_G++;
valtemp_B = int(data[(jj * width + borneSupx) * depth + 2]);
accuYMemoryB[jj] += valtemp_B;// accuYMemory[jj] + valtemp;
compteurYMemoryB[jj]++;// = compteurYMemory[jj] + 1;
somme_B += valtemp_B;
nbpt_B++;
}
}
}
}
/*
====================
build
====================
*/
VOID Game::build()
{
GUARD(Game::build);
// build the color texture
Image* image = GNEW(Image);
CHECK(image);
image->Width(256);
image->Height(256);
image->Depth(1);
image->PixelFormat(PF_RGBA);
image->DataType(DT_UNSIGNED_BYTE);
mColorTexPtr = GNEW(Texture);
CHECK(mColorTexPtr);
mColorTexPtr->Load(image);
// build the color rt
mColorRTPtr = GNEW(Target(mColorTexPtr.Ptr()));
CHECK(mColorRTPtr);
// build the primitive
mQuadPtr = GNEW(Primitive);
CHECK(mQuadPtr);
mQuadPtr->SetType(Primitive::PT_TRIANGLES);
// set the wvp
Constant* wvp_constant_ptr = GNEW(Constant);
CHECK(wvp_constant_ptr);
wvp_constant_ptr->SetMatrix(Matrix());
mQuadPtr->SetConstant("gWVP",wvp_constant_ptr);
// set the color texture
Constant* texture_constant_ptr = GNEW(Constant);
CHECK(texture_constant_ptr);
texture_constant_ptr->SetTexture(mColorTexPtr.Ptr());
mQuadPtr->SetConstant("gBaseTex",texture_constant_ptr);
// set the shader
Str shader_key_name = "shader/default.xml";
KeyPtr shader_key_ptr = Key::Find(shader_key_name.c_str());
if(shader_key_ptr == NULL)
{
Shader*shader = GNEW(Shader);
CHECK(shader);
shader->Load(GLoad(shader_key_name.c_str()));
shader_key_ptr = GNEW(Key(shader_key_name.c_str(), shader));
CHECK(shader_key_ptr);
}
mKeys.push_back(shader_key_ptr);
mQuadPtr->SetShader(dynamic_cast<Shader*>(shader_key_ptr->Ptr()),"p0");
// build the vertex buffer
F32 x = 0.0f, y = 0.0f, w = 256, h = 256;
DVT vertexes[] =
{
{x, y, 0, 0, 0},
{x+w, y, 0, 1, 0},
{x+w, y+h, 0, 1, 1},
{x, y+h, 0, 0, 1},
};
VertexBufferPtr vb_ptr = GNEW(VertexBuffer);
CHECK(vb_ptr);
{
GDataPtr vd_ptr = GNEW(GData);
CHECK(vd_ptr);
vd_ptr->Size(3*sizeof(U32) + 3*sizeof(U8) + sizeof(vertexes));
U8*data_ptr = (U8*)vd_ptr->Ptr();
*(U32*)data_ptr = MAKEFOURCC('G','V','B','O');
data_ptr += sizeof(U32);
*(U32*)data_ptr = sizeof(vertexes)/sizeof(DVT);
data_ptr += sizeof(U32);
*(U32*)data_ptr = sizeof(DVT);
data_ptr += sizeof(U32);
*(U8*)data_ptr = 2;
data_ptr += sizeof(U8);
*(U8*)data_ptr = VertexBuffer::VT_3F;
data_ptr += sizeof(U8);
*(U8*)data_ptr = VertexBuffer::VT_2F;
data_ptr += sizeof(U8);
::memcpy(data_ptr, vertexes, sizeof(vertexes));
data_ptr += sizeof(vertexes);
vb_ptr->Load(vd_ptr.Ptr());
}
mQuadPtr->SetVertexBuffer(vb_ptr.Ptr());
// build the index
const U16 indexes[] = { 3, 0, 2, 2, 0, 1 };
IndexBufferPtr ib_ptr = GNEW(IndexBuffer);
CHECK(ib_ptr);
{
GDataPtr id_ptr = GNEW(GData);
CHECK(id_ptr);
id_ptr->Size(3*sizeof(U32) + sizeof(indexes));
U8*data_ptr = (U8*)id_ptr->Ptr();
*(U32*)data_ptr = MAKEFOURCC('G','I','B','O');
data_ptr += sizeof(U32);
*(U32*)data_ptr = sizeof(indexes)/sizeof(U16);
data_ptr += sizeof(U32);
*(U32*)data_ptr = sizeof(U16);
data_ptr += sizeof(U32);
::memcpy(data_ptr, &indexes[0], sizeof(indexes));
data_ptr += sizeof(indexes);
ib_ptr->Load(id_ptr.Ptr());
}
mQuadPtr->SetIndexBuffer(ib_ptr.Ptr());
// build the bounding box
BoundingBox box;
box.set(MAX_F32,MAX_F32,MAX_F32,MIN_F32,MIN_F32,MIN_F32);
for(U32 i = 0; i < sizeof(vertexes)/sizeof(DVTN); i++)box.expand(vertexes[i].point);
mQuadPtr->SetBox(box);
UNGUARD;
}