Class dds_header

Source/astcenccli_image_load_store.cpp:1712–1760

};

struct dds_header
{
	uint32_t size;				// header size; must be exactly 124.
	/*
	   flag field is an OR or the following bits, that indicate fields containing valid data:
		1: caps/caps2/caps3/caps4 (set in all DDS files, ignore on read)
		2: height (set in all DDS files, ignore on read)
		4: width (set in all DDS files, ignore on read)
		8: pitch (for uncompressed texture)
		0x1000: the pixel format field (set in all DDS files, ignore on read)
		0x20000: mipmap count (for mipmapped textures with >1 level)
		0x80000: pitch (for compressed texture)
		0x800000: depth (for 3d textures)
	*/
	uint32_t flags;
	uint32_t height;
	uint32_t width;
	uint32_t pitch_or_linear_size;	// scanline pitch for uncompressed; total size in bytes for compressed
	uint32_t depth;
	uint32_t mipmapcount;
	// unused, set to 0
	uint32_t reserved1[11];
	dds_pixelformat ddspf;
	/*
	   caps field is an OR of the following values:
		8 : should be set for a file that contains more than 1 surface (ignore on read)
		0x400000 : should be set for a mipmapped texture
		0x1000 : should be set if the surface is a texture at all (all DDS files, ignore on read)
	*/
	uint32_t caps;
	/*
	   caps2 field is an OR of the following values:
		0x200 : texture is cubemap
		0x400 : +X face of cubemap is present
		0x800 : -X face of cubemap is present
		0x1000 : +Y face of cubemap is present
		0x2000 : -Y face of cubemap is present
		0x4000 : +Z face of cubemap is present
		0x8000 : -Z face of cubemap is present
		0x200000 : texture is a 3d texture.
	*/
	uint32_t caps2;
	// unused, set to 0
	uint32_t caps3;
	// unused, set to 0
	uint32_t caps4;
	// unused, set to 0
	uint32_t reserved2;
};

struct dds_header_dx10
{