64 lines
1.6 KiB
C
Executable File
64 lines
1.6 KiB
C
Executable File
/* KallistiGL for KallistiOS ##version##
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libgl/gl-rgb.h
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Copyright (C) 2013-2014 Josh Pearson
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A set of functions for working with ARGB pixel data.
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*/
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#ifndef GL_RGB_H
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#define GL_RGB_H
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typedef GLubyte GLrgb3ub[3];
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typedef GLubyte GLrgba4ub[3];
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typedef GLfloat GLrgb3f[3];
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typedef GLfloat GLrgba4f[4];
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#define RGB565_RED_MASK 0xF800
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#define RGB565_GREEN_MASK 0x7E0
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#define RGB565_BLUE_MASK 0x1F
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#define RGB565_RED_SHIFT 0xB
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#define RGB565_GREEN_SHIFT 0x5
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#define RGB565_BLUE_SHIFT 0x0
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#define ARGB4444_ALPHA_MASK 0xF000
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#define ARGB4444_RED_MASK 0x0F00
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#define ARGB4444_GREEN_MASK 0x00F0
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#define ARGB4444_BLUE_MASK 0x000F
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#define ARGB4444_ALPHA_SHIFT 0xC
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#define ARGB4444_RED_SHIFT 0x8
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#define ARGB4444_GREEN_SHIFT 0x4
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#define ARGB4444_BLUE_SHIFT 0x0
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#define ARGB1555_ALPHA_MASK 0x8000
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#define ARGB1555_RED_MASK 0x7C00
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#define ARGB1555_GREEN_MASK 0x3E0
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#define ARGB1555_BLUE_MASK 0x1F
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#define ARGB1555_ALPHA_SHIFT 0xF
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#define ARGB1555_RED_SHIFT 0xA
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#define ARGB1555_GREEN_SHIFT 0x5
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#define ARGB1555_BLUE_SHIFT 0x0
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#define ARGB32_ALPHA_MASK 0xFF000000
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#define ARGB32_RGB_MASK 0xFFFFFF
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#define ARGB32_RED_SHIFT 0x8
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#define RGBA32_APLHA_MASK 0xFF
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#define RGBA32_RGB_MASK 0xFFFFFF00
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#define RGB1_MAX 0x1
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#define RGB4_MAX 0xF
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#define RGB5_MAX 0x1F
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#define RGB6_MAX 0x3F
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#define RGB8_MAX 0xFF
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#define RGBA32_2_ARGB32(n) (((n & ARGB32_RGB_MASK) << ARGB32_RED_SHIFT) | (n & ARGB32_ALPHA_MASK))
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#define ARGB_PACK_RGBF(r,g,b) (0xFF000000 | ((r*0xFF) << 16) | ((g*0xFF)<<8) | (b*0xFF))
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#define ARGB_PACK_ARGBF(a,r,g,b) (((a*0xFF) << 24) | ((r*0xFF) << 16) | ((g*0xFF)<<8) | (b*0xFF))
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#endif
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