hyzboy/ULRE
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

support texture file with mipmaps data.

Browse Source
This commit is contained in:
hyzboy
2020-10-25 21:29:18 +08:00
parent 7f71b50316
commit e13d442ee1
11 changed files with 247 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
inc/hgl/graph/TextureLoader.h
View File

@@ -4,10 +4,28 @@
#include<hgl/io/InputStream.h>
#include<hgl/type/String.h>
#include<hgl/graph/Bitmap.h>
#include<hgl/graph/VKFormat.h>
namespace hgl
{
namespace graph
{
constexpr VkFormat CompressFormatList[]=
{
FMT_BC1_RGBUN,
FMT_BC1_RGBAUN,
FMT_BC2UN,
FMT_BC3UN,
FMT_BC4UN,
FMT_BC5UN,
FMT_BC6UF,
FMT_BC6SF,
FMT_BC7UN
};
constexpr uint32 CompressFormatBits[]={4,4,8,8,4,8,8,8,8};
constexpr uint32 CompressFormatCount=sizeof(CompressFormatList)/sizeof(VkFormat);
#pragma pack(push,1)
struct Tex2DFileHeader
{
@@ -31,7 +49,8 @@ namespace hgl
public:
const uint pixel_bytes()const{return (bits[0]+bits[1]+bits[2]+bits[3])>>3;}
const uint pixel_bits()const{return bits[0]+bits[1]+bits[2]+bits[3];}
const uint pixel_bytes()const{return pixel_bits()>>3;}
};//struct TexPixelFormat
#pragma pack(pop)
@@ -50,10 +69,12 @@ namespace hgl
uint16 compress_format;
};
uint32 total_bytes;
protected:
protected:
uint32 mipmap_zero_total_bytes;
uint32 ComputeTotalBytes();
virtual void *OnBegin(uint32)=0;
virtual void OnEnd()=0;
virtual void OnError(){}