mirror of
https://github.com/DaedalusX64/daedalus.git
synced 2025-04-02 10:21:48 -04:00
71 lines
2 KiB
C++
71 lines
2 KiB
C++
/*
|
|
Copyright (C) 2005 StrmnNrmn
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
#ifndef GRAPHICS_TEXTUREFORMAT_H_
|
|
#define GRAPHICS_TEXTUREFORMAT_H_
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "Base/Types.h"
|
|
#include <unordered_map>
|
|
|
|
enum ETextureFormat
|
|
{
|
|
TexFmt_5650,
|
|
TexFmt_5551,
|
|
TexFmt_4444,
|
|
TexFmt_8888,
|
|
|
|
// Palletised
|
|
TexFmt_CI4_8888,
|
|
TexFmt_CI8_8888,
|
|
};
|
|
|
|
inline bool IsTextureFormatPalettised( ETextureFormat texture_format )
|
|
{
|
|
return texture_format >= TexFmt_CI4_8888;
|
|
}
|
|
|
|
|
|
inline uint32_t GetBitsPerPixel(ETextureFormat texture_format)
|
|
{
|
|
static const std::unordered_map<ETextureFormat, uint32_t> format_to_bpp{
|
|
{ETextureFormat::TexFmt_5650, 16},
|
|
{ETextureFormat::TexFmt_5551, 16},
|
|
{ETextureFormat::TexFmt_4444, 16},
|
|
{ETextureFormat::TexFmt_8888, 32},
|
|
{ETextureFormat::TexFmt_CI4_8888, 4},
|
|
{ETextureFormat::TexFmt_CI8_8888, 8}
|
|
};
|
|
|
|
auto it = format_to_bpp.find(texture_format);
|
|
|
|
if (it == format_to_bpp.end()) {
|
|
// Log error here, "Unhandled texture format"
|
|
return 8; // Default bits per pixel
|
|
}
|
|
|
|
return it->second;
|
|
}
|
|
inline u32 CalcBytesRequired( u32 pixels, ETextureFormat texture_format )
|
|
{
|
|
return ( pixels * GetBitsPerPixel( texture_format ) + 4 ) / 8;
|
|
}
|
|
|
|
#endif // GRAPHICS_TEXTUREFORMAT_H_
|