diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog.c | 66 |
1 files changed, 64 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c index 60f5db62fa..7793c5eb2e 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog.c @@ -1063,7 +1063,6 @@ static GLboolean parse_program(struct r300_fragment_program *rp) * cos using taylor serie: * cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! */ -// printf("swz %d\n", src[0].v_swz); temp = get_temp_reg(rp); cnstv[0] = 0.5; cnstv[1] = 0.041666667; @@ -1374,7 +1373,70 @@ static GLboolean parse_program(struct r300_fragment_program *rp) free_temp(rp, temp); break; case OPCODE_SIN: - ERROR("SIN not implemented\n"); + /* + * sin using taylor serie: + * sin(x) = x - x^3/3! + x^5/5! - x^7/7! + */ + temp = get_temp_reg(rp); + cnstv[0] = 0.333333333; + cnstv[1] = 0.008333333; + cnstv[2] = 0.000198413; + cnstv[4] = 0.0; + cnst = emit_const4fv(rp, cnstv); + src[0] = t_scalar_src(rp, fpi->SrcReg[0]); + + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_XYZ, + src[0], + src[0], + pfs_zero, + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_Y | WRITEMASK_Z, + temp, temp, + pfs_zero, + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_Z, + temp, + swizzle(temp, X, X, X, W), + pfs_zero, + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_XYZ, + src[0], + temp, + pfs_zero, + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_XYZ, + temp, cnst, + pfs_zero, + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_X, + src[0], + pfs_one, + negate(temp), + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_X, + temp, + pfs_one, + swizzle(temp, Y, Y, Y, W), + flags); + emit_arith(rp, PFS_OP_MAD, temp, + WRITEMASK_X, + temp, + pfs_one, + negate(swizzle(temp, Z, Z, Z, W)), + flags); + emit_arith(rp, PFS_OP_MAD, dest, mask, + swizzle(temp, X, X, X, X), + pfs_one, + pfs_zero, + flags); + free_temp(rp, temp); break; case OPCODE_SLT: src[0] = t_src(rp, fpi->SrcReg[0]); |