void TextureLoader::LoadTextureCube(const char * filenames[6], DescTextureCube & texture, FixedArray<unsigned char> & texture_data)
{
int texture_width = 0;
int texture_height = 0;
int texture_channels = 0;
unsigned int pixel_format;
unsigned int total_face_bytes = 0;
unsigned int dest_offset = 0;
for (unsigned int i = 0; i < 6; ++i)
{
std::string file(filenames[i]);
size_t pos = file.find('.');
if (pos == std::string::npos)
{
throw Exception("No file extension found in filename.");
}
pos += 1;
std::string extension = file.substr(pos, file.length()-pos);
if (extension.compare("png") == 0 ||
extension.compare("jpg") == 0 ||
extension.compare("jpeg") == 0 ||
extension.compare("bmp") == 0 ||
extension.compare("tga") == 0 ||
extension.compare("dds") == 0 ||
extension.compare("hdr") == 0 ||
extension.compare("psd") == 0)
{
int width, height, channels;
unsigned char *data = SOIL_load_image
(
filenames[i],
&width, &height, &channels,
SOIL_LOAD_RGBA
);
unsigned int format;
/*
switch(channels)
{
case 1:
throw Exception("Format not recognized or supported.");
break;
case 2:
throw Exception("Format not recognized or supported.");
break;
case 3:
throw Exception("Format not recognized or supported.");
break;
case 4:
format = PF_32_R8G8B8A8;
break;
default:
throw Exception("Format not recognized or supported.");
break;
}
*/
format = PF_32_R8G8B8A8;
if (texture_width == 0 && texture_height == 0)
{
texture_width = width;
texture_height = height;
texture_channels = channels;
pixel_format = format;
total_face_bytes = texture_width*texture_height*4;
texture_data.Set(total_face_bytes * 6);
//texture.BindFlags = BIND_SHADER_RESOURCE;
texture.Format = format;
texture.Width = width;
texture.Height = height;
//texture.Usage = TEXTURE_USAGE_STATIC;
//texture.MipLevels = 1;
}
else
{
if (texture_width != width)
{
throw Exception("Different Widths In Cube Map.");
}
if (texture_height != height)
{
throw Exception("Different Heights In Cube Map.");
}
if (texture_channels != channels)
{
throw Exception("Different Channels In Cube Map.");
}
if (pixel_format != format)
{
throw Exception("Different Format In Cube Map.");
}
}
memcpy(texture_data.GetData() + dest_offset, data, total_face_bytes);
texture.InitialData[i] = texture_data.GetData() + dest_offset;
dest_offset += total_face_bytes;
free(data);
}
else
{
throw Exception("File extension not supported.");
}
}
}
void TextureLoader::LoadTexture2D(const char * filename, DescTexture2D & texture, FixedArray<unsigned char> & texture_data)
{
std::string file(filename);
size_t pos = file.find('.');
CONDITIONAL_EXCEPTION(pos == std::string::npos, "No file extension found in filename.");
pos += 1;
std::string extension = file.substr(pos, file.length()-pos);
if (extension.compare("png") == 0 ||
extension.compare("jpg") == 0 ||
extension.compare("jpeg") == 0 ||
extension.compare("bmp") == 0 ||
extension.compare("tga") == 0 ||
extension.compare("dds") == 0 ||
extension.compare("hdr") == 0 ||
extension.compare("psd") == 0)
{
int width, height, channels;
unsigned char *data = SOIL_load_image
(
filename,
&width, &height, &channels,
SOIL_LOAD_RGBA
);
unsigned int format;
/*
switch(channels)
{
case 1:
throw Exception("Format not recognized or supported.");
break;
case 2:
throw Exception("Format not recognized or supported.");
break;
case 3:
throw Exception("Format not recognized or supported.");
break;
case 4:
format = PF_32_R8G8B8A8;
break;
default:
throw Exception("Format not recognized or supported.");
break;
}
*/
format = PF_32_R8G8B8A8;
unsigned int texture_size = width*height*4;
texture_data.Set(texture_size);
memcpy(texture_data.GetData(), data, texture_size);
//texture.BindFlags = BIND_SHADER_RESOURCE;
texture.Format = format;
texture.Width = width;
texture.Height = height;
//texture.Usage = TEXTURE_USAGE_STATIC;
//texture.MipLevels = 1;
texture.InitialData = texture_data.GetData();
free(data);
}
else
{
throw Exception("File extension not supported.");
}
}
