diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_shuffle.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_shuffle.h b/src/gallium/drivers/cell/spu/spu_shuffle.h new file mode 100644 index 0000000000..7cbdb814d2 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_shuffle.h @@ -0,0 +1,186 @@ +#ifndef SPU_SHUFFLE_H +#define SPU_SHUFFLE_H + +/* + * Generate shuffle patterns with minimal fuss. + * + * Based on ideas from + * http://www.insomniacgames.com/tech/articles/0408/files/shuffles.pdf + * + * A-P indicates 0-15th position in first vector + * a-p indicates 0-15th position in second vector + * + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * |00|01|02|03|04|05|06|07|08|09|0a|0b|0c|0d|0e|0f| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * | A| B| C| D| + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | A| B| C| D| E| F| G| H| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * | A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * + * x or X indicates 0xff + * 8 indicates 0x80 + * 0 indicates 0x00 + * + * The macros SHUFFLE4() SHUFFLE8() and SHUFFLE16() provide a const vector + * unsigned char literal suitable for use with spu_shuffle(). + * + * The macros SHUFB4() SHUFB8() and SHUFB16() provide a const qword vector + * literal suitable for use with si_shufb(). + * + * + * For example : + * SHUFB4(A,A,A,A) + * expands to : + * ((const qword){0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}) + * + * SHUFFLE8(A,B,a,b,C,c,8,8) + * expands to : + * ((const vector unsigned char){0x00,0x01,0x02,0x03,0x10,0x11,0x12,0x13, + * 0x04,0x05,0x14,0x15,0xe0,0xe0,0xe0,0xe0}) + * + */ + +#include <spu_intrinsics.h> + +#define SHUFFLE_PATTERN_4_A__ 0x00, 0x01, 0x02, 0x03 +#define SHUFFLE_PATTERN_4_B__ 0x04, 0x05, 0x06, 0x07 +#define SHUFFLE_PATTERN_4_C__ 0x08, 0x09, 0x0a, 0x0b +#define SHUFFLE_PATTERN_4_D__ 0x0c, 0x0d, 0x0e, 0x0f +#define SHUFFLE_PATTERN_4_a__ 0x10, 0x11, 0x12, 0x13 +#define SHUFFLE_PATTERN_4_b__ 0x14, 0x15, 0x16, 0x17 +#define SHUFFLE_PATTERN_4_c__ 0x18, 0x19, 0x1a, 0x1b +#define SHUFFLE_PATTERN_4_d__ 0x1c, 0x1d, 0x1e, 0x1f +#define SHUFFLE_PATTERN_4_X__ 0xc0, 0xc0, 0xc0, 0xc0 +#define SHUFFLE_PATTERN_4_x__ 0xc0, 0xc0, 0xc0, 0xc0 +#define SHUFFLE_PATTERN_4_0__ 0x80, 0x80, 0x80, 0x80 +#define SHUFFLE_PATTERN_4_8__ 0xe0, 0xe0, 0xe0, 0xe0 + +#define SHUFFLE_VECTOR_4__(A, B, C, D) \ + SHUFFLE_PATTERN_4_##A##__, \ + SHUFFLE_PATTERN_4_##B##__, \ + SHUFFLE_PATTERN_4_##C##__, \ + SHUFFLE_PATTERN_4_##D##__ + +#define SHUFFLE4(A, B, C, D) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_4__(A, B, C, D) \ + }) + +#define SHUFB4(A, B, C, D) \ + ((const qword){ \ + SHUFFLE_VECTOR_4__(A, B, C, D) \ + }) + + +#define SHUFFLE_PATTERN_8_A__ 0x00, 0x01 +#define SHUFFLE_PATTERN_8_B__ 0x02, 0x03 +#define SHUFFLE_PATTERN_8_C__ 0x04, 0x05 +#define SHUFFLE_PATTERN_8_D__ 0x06, 0x07 +#define SHUFFLE_PATTERN_8_E__ 0x08, 0x09 +#define SHUFFLE_PATTERN_8_F__ 0x0a, 0x0b +#define SHUFFLE_PATTERN_8_G__ 0x0c, 0x0d +#define SHUFFLE_PATTERN_8_H__ 0x0e, 0x0f +#define SHUFFLE_PATTERN_8_a__ 0x10, 0x11 +#define SHUFFLE_PATTERN_8_b__ 0x12, 0x13 +#define SHUFFLE_PATTERN_8_c__ 0x14, 0x15 +#define SHUFFLE_PATTERN_8_d__ 0x16, 0x17 +#define SHUFFLE_PATTERN_8_e__ 0x18, 0x19 +#define SHUFFLE_PATTERN_8_f__ 0x1a, 0x1b +#define SHUFFLE_PATTERN_8_g__ 0x1c, 0x1d +#define SHUFFLE_PATTERN_8_h__ 0x1e, 0x1f +#define SHUFFLE_PATTERN_8_X__ 0xc0, 0xc0 +#define SHUFFLE_PATTERN_8_x__ 0xc0, 0xc0 +#define SHUFFLE_PATTERN_8_0__ 0x80, 0x80 +#define SHUFFLE_PATTERN_8_8__ 0xe0, 0xe0 + + +#define SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + SHUFFLE_PATTERN_8_##A##__, \ + SHUFFLE_PATTERN_8_##B##__, \ + SHUFFLE_PATTERN_8_##C##__, \ + SHUFFLE_PATTERN_8_##D##__, \ + SHUFFLE_PATTERN_8_##E##__, \ + SHUFFLE_PATTERN_8_##F##__, \ + SHUFFLE_PATTERN_8_##G##__, \ + SHUFFLE_PATTERN_8_##H##__ + +#define SHUFFLE8(A, B, C, D, E, F, G, H) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + }) + +#define SHUFB8(A, B, C, D, E, F, G, H) \ + ((const qword){ \ + SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + }) + + +#define SHUFFLE_PATTERN_16_A__ 0x00 +#define SHUFFLE_PATTERN_16_B__ 0x01 +#define SHUFFLE_PATTERN_16_C__ 0x02 +#define SHUFFLE_PATTERN_16_D__ 0x03 +#define SHUFFLE_PATTERN_16_E__ 0x04 +#define SHUFFLE_PATTERN_16_F__ 0x05 +#define SHUFFLE_PATTERN_16_G__ 0x06 +#define SHUFFLE_PATTERN_16_H__ 0x07 +#define SHUFFLE_PATTERN_16_I__ 0x08 +#define SHUFFLE_PATTERN_16_J__ 0x09 +#define SHUFFLE_PATTERN_16_K__ 0x0a +#define SHUFFLE_PATTERN_16_L__ 0x0b +#define SHUFFLE_PATTERN_16_M__ 0x0c +#define SHUFFLE_PATTERN_16_N__ 0x0d +#define SHUFFLE_PATTERN_16_O__ 0x0e +#define SHUFFLE_PATTERN_16_P__ 0x0f +#define SHUFFLE_PATTERN_16_a__ 0x10 +#define SHUFFLE_PATTERN_16_b__ 0x11 +#define SHUFFLE_PATTERN_16_c__ 0x12 +#define SHUFFLE_PATTERN_16_d__ 0x13 +#define SHUFFLE_PATTERN_16_e__ 0x14 +#define SHUFFLE_PATTERN_16_f__ 0x15 +#define SHUFFLE_PATTERN_16_g__ 0x16 +#define SHUFFLE_PATTERN_16_h__ 0x17 +#define SHUFFLE_PATTERN_16_i__ 0x18 +#define SHUFFLE_PATTERN_16_j__ 0x19 +#define SHUFFLE_PATTERN_16_k__ 0x1a +#define SHUFFLE_PATTERN_16_l__ 0x1b +#define SHUFFLE_PATTERN_16_m__ 0x1c +#define SHUFFLE_PATTERN_16_n__ 0x1d +#define SHUFFLE_PATTERN_16_o__ 0x1e +#define SHUFFLE_PATTERN_16_p__ 0x1f +#define SHUFFLE_PATTERN_16_X__ 0xc0 +#define SHUFFLE_PATTERN_16_x__ 0xc0 +#define SHUFFLE_PATTERN_16_0__ 0x80 +#define SHUFFLE_PATTERN_16_8__ 0xe0 + +#define SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + SHUFFLE_PATTERN_16_##A##__, \ + SHUFFLE_PATTERN_16_##B##__, \ + SHUFFLE_PATTERN_16_##C##__, \ + SHUFFLE_PATTERN_16_##D##__, \ + SHUFFLE_PATTERN_16_##E##__, \ + SHUFFLE_PATTERN_16_##F##__, \ + SHUFFLE_PATTERN_16_##G##__, \ + SHUFFLE_PATTERN_16_##H##__, \ + SHUFFLE_PATTERN_16_##I##__, \ + SHUFFLE_PATTERN_16_##J##__, \ + SHUFFLE_PATTERN_16_##K##__, \ + SHUFFLE_PATTERN_16_##L##__, \ + SHUFFLE_PATTERN_16_##M##__, \ + SHUFFLE_PATTERN_16_##N##__, \ + SHUFFLE_PATTERN_16_##O##__, \ + SHUFFLE_PATTERN_16_##P + +#define SHUFFLE16(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + }) + +#define SHUFB16(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + ((const qword){ \ + SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + }) + +#endif |