Hi all,
I'm sandro, and I'm new of this blog. I'm implementing 2d array texturing with compressed images, but it seems doesn't work. I'm programming on 3870HD
driver 13.1. Does this video card support 2d array texturing with compressed images? Here my code...
// dummy texture creation
Width = Descriptor->width;
Height = Descriptor->height;
Descriptor->source_format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
Descriptor->depth = 16;
glCompressedTexImage3D(GL_TEXTURE_2D_ARRAY, i, Descriptor->source_format, Descriptor->width, Descriptor->height, Descriptor->array_size, 0,Width * Height * 4, NULL);
// store all mipmap levels
Offset = 0;
for (UINT i = 0; i < Descriptor->num_mips && (Width || Height); ++i)
{
Size = ((Width + 3) / 4) * ((Height + 3) / 4) * Descriptor->depth;
glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, i, Width, Height, 1, Descriptor->source_format, Size, Descriptor->data[0] + Offset);
Offset += Size;
Width /= 2;
Height /= 2;
}
Is this code ok? If I'm using regular compressed imgae without array all is fine!
Thanks in advance!