--- /dev/null
+#ifndef CONVERT_H
+#define CONVERT_H
+
+#include "Types.h"
+
+const volatile unsigned char Five2Eight[32] =
+{
+ 0, // 00000 = 00000000
+ 8, // 00001 = 00001000
+ 16, // 00010 = 00010000
+ 25, // 00011 = 00011001
+ 33, // 00100 = 00100001
+ 41, // 00101 = 00101001
+ 49, // 00110 = 00110001
+ 58, // 00111 = 00111010
+ 66, // 01000 = 01000010
+ 74, // 01001 = 01001010
+ 82, // 01010 = 01010010
+ 90, // 01011 = 01011010
+ 99, // 01100 = 01100011
+ 107, // 01101 = 01101011
+ 115, // 01110 = 01110011
+ 123, // 01111 = 01111011
+ 132, // 10000 = 10000100
+ 140, // 10001 = 10001100
+ 148, // 10010 = 10010100
+ 156, // 10011 = 10011100
+ 165, // 10100 = 10100101
+ 173, // 10101 = 10101101
+ 181, // 10110 = 10110101
+ 189, // 10111 = 10111101
+ 197, // 11000 = 11000101
+ 206, // 11001 = 11001110
+ 214, // 11010 = 11010110
+ 222, // 11011 = 11011110
+ 230, // 11100 = 11100110
+ 239, // 11101 = 11101111
+ 247, // 11110 = 11110111
+ 255 // 11111 = 11111111
+};
+
+const volatile unsigned char Four2Eight[16] =
+{
+ 0, // 0000 = 00000000
+ 17, // 0001 = 00010001
+ 34, // 0010 = 00100010
+ 51, // 0011 = 00110011
+ 68, // 0100 = 01000100
+ 85, // 0101 = 01010101
+ 102, // 0110 = 01100110
+ 119, // 0111 = 01110111
+ 136, // 1000 = 10001000
+ 153, // 1001 = 10011001
+ 170, // 1010 = 10101010
+ 187, // 1011 = 10111011
+ 204, // 1100 = 11001100
+ 221, // 1101 = 11011101
+ 238, // 1110 = 11101110
+ 255 // 1111 = 11111111
+};
+
+const volatile unsigned char Three2Four[8] =
+{
+ 0, // 000 = 0000
+ 2, // 001 = 0010
+ 4, // 010 = 0100
+ 6, // 011 = 0110
+ 9, // 100 = 1001
+ 11, // 101 = 1011
+ 13, // 110 = 1101
+ 15, // 111 = 1111
+};
+
+const volatile unsigned char Three2Eight[8] =
+{
+ 0, // 000 = 00000000
+ 36, // 001 = 00100100
+ 73, // 010 = 01001001
+ 109, // 011 = 01101101
+ 146, // 100 = 10010010
+ 182, // 101 = 10110110
+ 219, // 110 = 11011011
+ 255, // 111 = 11111111
+};
+const volatile unsigned char Two2Eight[4] =
+{
+ 0, // 00 = 00000000
+ 85, // 01 = 01010101
+ 170, // 10 = 10101010
+ 255 // 11 = 11111111
+};
+
+const volatile unsigned char One2Four[2] =
+{
+ 0, // 0 = 0000
+ 15, // 1 = 1111
+};
+
+const volatile unsigned char One2Eight[2] =
+{
+ 0, // 0 = 00000000
+ 255, // 1 = 11111111
+};
+
+static inline void UnswapCopy( void *src, void *dest, u32 numBytes )
+{
+ // copy leading bytes
+ int leadingBytes = ((long)src) & 3;
+ if (leadingBytes != 0)
+ {
+ leadingBytes = 4-leadingBytes;
+ if ((unsigned int)leadingBytes > numBytes)
+ leadingBytes = numBytes;
+ numBytes -= leadingBytes;
+
+ src = (void *)((long)src ^ 3);
+ for (int i = 0; i < leadingBytes; i++)
+ {
+ *(u8 *)(dest) = *(u8 *)(src);
+ dest = (void *)((long)dest+1);
+ src = (void *)((long)src -1);
+ }
+ src = (void *)((long)src+5);
+ }
+
+ // copy dwords
+ int numDWords = numBytes >> 2;
+ while (numDWords--)
+ {
+ u32 dword = *(u32 *)src;
+#ifdef ARM_ASM
+ asm("rev %0, %0" : "+r"(dword)::);
+#else
+ dword = ((dword<<24)|((dword<<8)&0x00FF0000)|((dword>>8)&0x0000FF00)|(dword>>24));
+#endif
+ *(u32 *)dest = dword;
+ dest = (void *)((long)dest+4);
+ src = (void *)((long)src +4);
+ }
+
+ // copy trailing bytes
+ int trailingBytes = numBytes & 3;
+ if (trailingBytes)
+ {
+ src = (void *)((long)src ^ 3);
+ for (int i = 0; i < trailingBytes; i++)
+ {
+ *(u8 *)(dest) = *(u8 *)(src);
+ dest = (void *)((long)dest+1);
+ src = (void *)((long)src -1);
+ }
+ }
+}
+
+static inline void DWordInterleave( void *mem, u32 numDWords )
+{
+ int tmp;
+ while( numDWords-- )
+ {
+ tmp = *(int *)((long)mem + 0);
+ *(int *)((long)mem + 0) = *(int *)((long)mem + 4);
+ *(int *)((long)mem + 4) = tmp;
+ mem = (void *)((long)mem + 8);
+ }
+}
+
+inline void QWordInterleave( void *mem, u32 numDWords )
+{
+ numDWords >>= 1; // qwords
+ while( numDWords-- )
+ {
+ int tmp0, tmp1;
+ tmp0 = *(int *)((long)mem + 0);
+ tmp1 = *(int *)((long)mem + 4);
+ *(int *)((long)mem + 0) = *(int *)((long)mem + 8);
+ *(int *)((long)mem + 8) = tmp0;
+ *(int *)((long)mem + 4) = *(int *)((long)mem + 12);
+ *(int *)((long)mem + 12) = tmp1;
+ mem = (void *)((long)mem + 16);
+ }
+}
+
+
+inline u32 swapdword( u32 value )
+{
+#ifdef ARM_ASM
+ asm("rev %0, %0" : "+r"(value)::);
+ return value;
+#else
+ return ((value & 0xff000000) >> 24) |
+ ((value & 0x00ff0000) >> 8) |
+ ((value & 0x0000ff00) << 8) |
+ ((value & 0x000000ff) << 24);
+#endif
+}
+
+inline u16 swapword( u16 value )
+{
+#ifdef ARM_ASM
+ asm("rev16 %0, %0" : "+r"(value)::);
+ return value;
+#else
+ return (value << 8) | (value >> 8);
+#endif
+}
+
+inline u16 RGBA8888_RGBA4444( u32 color )
+{
+ return ((color & 0x000000f0) << 8) | // r
+ ((color & 0x0000f000) >> 4) | // g
+ ((color & 0x00f00000) >> 16) | // b
+ ((color & 0xf0000000) >> 28); // a
+}
+
+inline u32 RGBA5551_RGBA8888( u16 color )
+{
+ color = swapword( color );
+ u8 r, g, b, a;
+ r = Five2Eight[color >> 11];
+ g = Five2Eight[(color >> 6) & 0x001f];
+ b = Five2Eight[(color >> 1) & 0x001f];
+ a = One2Eight [(color ) & 0x0001];
+ return (a << 24) | (b << 16) | (g << 8) | r;
+}
+
+// Just swaps the word
+inline u16 RGBA5551_RGBA5551( u16 color )
+{
+ return swapword( color );
+}
+
+inline u32 IA88_RGBA8888( u16 color )
+{
+ u8 a = color >> 8;
+ u8 i = color & 0x00FF;
+ return (a << 24) | (i << 16) | (i << 8) | i;
+}
+
+inline u16 IA88_RGBA4444( u16 color )
+{
+ u8 i = color >> 12;
+ u8 a = (color >> 4) & 0x000F;
+ return (i << 12) | (i << 8) | (i << 4) | a;
+}
+
+inline u16 IA44_RGBA4444( u8 color )
+{
+ return ((color & 0xf0) << 8) | ((color & 0xf0) << 4) | (color);
+}
+
+inline u32 IA44_RGBA8888( u8 color )
+{
+ u8 i = Four2Eight[color >> 4];
+ u8 a = Four2Eight[color & 0x0F];
+ return (a << 24) | (i << 16) | (i << 8) | i;
+}
+
+inline u16 IA44_IA88( u8 color )
+{
+ u8 i = Four2Eight[color >> 4];
+ u8 a = Four2Eight[color & 0x0F];
+ return (a << 8) | i;
+}
+
+inline u16 IA31_RGBA4444( u8 color )
+{
+ u8 i = Three2Four[color >> 1];
+ u8 a = One2Four[color & 0x01];
+ return (i << 12) | (i << 8) | (i << 4) | a;
+}
+
+inline u16 IA31_IA88( u8 color )
+{
+ u8 i = Three2Eight[color >> 1];
+ u8 a = One2Eight[color & 0x01];
+ return (a << 8) | i;
+}
+
+inline u32 IA31_RGBA8888( u8 color )
+{
+ u8 i = Three2Eight[color >> 1];
+ u8 a = One2Eight[color & 0x01];
+ return (i << 24) | (i << 16) | (i << 8) | a;
+}
+
+inline u16 I8_RGBA4444( u8 color )
+{
+ u8 c = color >> 4;
+ return (c << 12) | (c << 8) | (c << 4) | c;
+}
+
+inline u32 I8_RGBA8888( u8 color )
+{
+ return (color << 24) | (color << 16) | (color << 8) | color;
+}
+
+inline u16 I4_RGBA4444( u8 color )
+{
+ u16 ret = color & 0x0f;
+ ret |= ret << 4;
+ ret |= ret << 8;
+ return ret;
+}
+
+inline u8 I4_I8( u8 color )
+{
+ return Four2Eight[color & 0x0f];
+}
+
+inline u16 I4_IA88( u8 color )
+{
+ u32 c = Four2Eight[color & 0x0f];
+ return (c << 8) | c;
+}
+
+inline u16 I8_IA88( u8 color )
+{
+ return (color << 8) | color;
+}
+
+
+inline u16 IA88_IA88( u16 color )
+{
+ u8 a = (color&0xFF);
+ u8 i = (color>>8);
+ return (i << 8) | a;
+}
+
+
+inline u32 I4_RGBA8888( u8 color )
+{
+ u8 c = Four2Eight[color];
+ c |= c << 4;
+ return (c << 24) | (c << 16) | (c << 8) | c;
+}
+
+#endif // CONVERT_H
+
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff