diff options
author | Nicolai Haehnle <nhaehnle@gmail.com> | 2007-03-21 00:56:38 +0100 |
---|---|---|
committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2007-03-21 00:58:02 +0100 |
commit | 4bafc547df4af0b560dcc6b72c0a6c37d7754abb (patch) | |
tree | 0df765a72ed2dea00b9c6e1c919ba05b509dd7be | |
parent | cbe38dc0ceade8543d8a65f6f547d2890bb177f0 (diff) |
r300: Remove the program-global const_sin index
The index is no longer necessary to share constants between multiple
SIN/COS/SCS instructions inside a single fragment program, and storing
a tiny implementation detail like this in the fragment_program structure
itself was just nasty.
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.h | 3 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog.c | 51 |
2 files changed, 23 insertions, 31 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 68151d865e0..fe261dbbc6e 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -779,9 +779,6 @@ struct r300_fragment_program { int max_temp_idx; - /* the index of the sin constant is stored here */ - GLint const_sin[2]; - GLuint optimization; }; diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c index 2145c48b801..0d7d1f1af29 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog.c @@ -1401,14 +1401,6 @@ static GLfloat SinCosConsts[2][4] = { }; -static void make_sin_const(struct r300_fragment_program *rp) -{ - if(rp->const_sin[0] == -1) { - rp->const_sin[0] = emit_const4fv(rp, SinCosConsts[0]); - rp->const_sin[1] = emit_const4fv(rp, SinCosConsts[1]); - } -} - /** * Emit a LIT instruction. * \p flags may be PFS_FLAG_SAT @@ -1516,6 +1508,7 @@ static GLboolean parse_program(struct r300_fragment_program *rp) struct prog_instruction *fpi; GLuint src[3], dest, temp[2]; int flags, mask = 0; + int const_sin[2]; if (!inst || inst[0].Opcode == OPCODE_END) { ERROR("empty program?\n"); @@ -1568,15 +1561,16 @@ static GLboolean parse_program(struct r300_fragment_program *rp) * result = sin(x) */ temp[0] = get_temp_reg(rp); - make_sin_const(rp); + const_sin[0] = emit_const4fv(rp, SinCosConsts[0]); + const_sin[1] = emit_const4fv(rp, SinCosConsts[1]); src[0] = t_scalar_src(rp, fpi->SrcReg[0]); /* add 0.5*PI and do range reduction */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_X, swizzle(src[0], X, X, X, X), - swizzle(rp->const_sin[1], Z, Z, Z, Z), - swizzle(rp->const_sin[1], X, X, X, X), + swizzle(const_sin[1], Z, Z, Z, Z), + swizzle(const_sin[1], X, X, X, X), 0); emit_arith(rp, PFS_OP_FRC, temp[0], WRITEMASK_X, @@ -1587,15 +1581,15 @@ static GLboolean parse_program(struct r300_fragment_program *rp) emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_Z, swizzle(temp[0], X, X, X, X), - swizzle(rp->const_sin[1], W, W, W, W), //2*PI - negate(swizzle(rp->const_sin[0], Z, Z, Z, Z)), //-PI + swizzle(const_sin[1], W, W, W, W), //2*PI + negate(swizzle(const_sin[0], Z, Z, Z, Z)), //-PI 0); /* SIN */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0], Z, Z, Z, Z), - rp->const_sin[0], + const_sin[0], pfs_zero, 0); @@ -1614,7 +1608,7 @@ static GLboolean parse_program(struct r300_fragment_program *rp) emit_arith(rp, PFS_OP_MAD, dest, mask, swizzle(temp[0], Y, Y, Y, Y), - swizzle(rp->const_sin[0], W, W, W, W), + swizzle(const_sin[0], W, W, W, W), swizzle(temp[0], X, X, X, X), flags); @@ -1808,19 +1802,20 @@ static GLboolean parse_program(struct r300_fragment_program *rp) */ temp[0] = get_temp_reg(rp); temp[1] = get_temp_reg(rp); - make_sin_const(rp); + const_sin[0] = emit_const4fv(rp, SinCosConsts[0]); + const_sin[1] = emit_const4fv(rp, SinCosConsts[1]); src[0] = t_scalar_src(rp, fpi->SrcReg[0]); /* x = -abs(x)+0.5*PI */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_Z, - swizzle(rp->const_sin[0], Z, Z, Z, Z), //PI + swizzle(const_sin[0], Z, Z, Z, Z), //PI pfs_half, negate(abs(swizzle(keep(src[0]), X, X, X, X))), 0); /* C*x (sin) */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_W, - swizzle(rp->const_sin[0], Y, Y, Y, Y), + swizzle(const_sin[0], Y, Y, Y, Y), swizzle(keep(src[0]), X, X, X, X), pfs_zero, 0); @@ -1828,13 +1823,13 @@ static GLboolean parse_program(struct r300_fragment_program *rp) /* B*x, C*x (cos) */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0], Z, Z, Z, Z), - rp->const_sin[0], + const_sin[0], pfs_zero, 0); /* B*x (sin) */ emit_arith(rp, PFS_OP_MAD, temp[1], WRITEMASK_W, - swizzle(rp->const_sin[0], X, X, X, X), + swizzle(const_sin[0], X, X, X, X), keep(src[0]), pfs_zero, 0); @@ -1864,7 +1859,7 @@ static GLboolean parse_program(struct r300_fragment_program *rp) /* dest.xy = mad(temp.xy, P, temp2.wz) */ emit_arith(rp, PFS_OP_MAD, dest, mask & (WRITEMASK_X | WRITEMASK_Y), temp[0], - swizzle(rp->const_sin[0], W, W, W, W), + swizzle(const_sin[0], W, W, W, W), swizzle(temp[1], W, Z, Y, X), flags); @@ -1895,7 +1890,8 @@ static GLboolean parse_program(struct r300_fragment_program *rp) */ temp[0] = get_temp_reg(rp); - make_sin_const(rp); + const_sin[0] = emit_const4fv(rp, SinCosConsts[0]); + const_sin[1] = emit_const4fv(rp, SinCosConsts[1]); src[0] = t_scalar_src(rp, fpi->SrcReg[0]); @@ -1903,7 +1899,7 @@ static GLboolean parse_program(struct r300_fragment_program *rp) emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_X, swizzle(keep(src[0]), X, X, X, X), - swizzle(rp->const_sin[1], Z, Z, Z, Z), + swizzle(const_sin[1], Z, Z, Z, Z), pfs_half, 0); @@ -1915,15 +1911,15 @@ static GLboolean parse_program(struct r300_fragment_program *rp) emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_Z, swizzle(temp[0], X, X, X, X), - swizzle(rp->const_sin[1], W, W, W, W), //2*PI - negate(swizzle(rp->const_sin[0], Z, Z, Z, Z)), //PI + swizzle(const_sin[1], W, W, W, W), //2*PI + negate(swizzle(const_sin[0], Z, Z, Z, Z)), //PI 0); /* SIN */ emit_arith(rp, PFS_OP_MAD, temp[0], WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0], Z, Z, Z, Z), - rp->const_sin[0], + const_sin[0], pfs_zero, 0); @@ -1942,7 +1938,7 @@ static GLboolean parse_program(struct r300_fragment_program *rp) emit_arith(rp, PFS_OP_MAD, dest, mask, swizzle(temp[0], Y, Y, Y, Y), - swizzle(rp->const_sin[0], W, W, W, W), + swizzle(const_sin[0], W, W, W, W), swizzle(temp[0], X, X, X, X), flags); @@ -2124,7 +2120,6 @@ static void init_program(r300ContextPtr r300, struct r300_fragment_program *rp) rp->max_temp_idx = 0; rp->node[0].alu_end = -1; rp->node[0].tex_end = -1; - rp->const_sin[0] = -1; _mesa_memset(cs, 0, sizeof(*rp->cs)); for (i=0;i<PFS_MAX_ALU_INST;i++) { |