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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_fragprog_emit.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog_emit.c206
1 files changed, 1 insertions, 205 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
index 30f513b5a3..4786b4554d 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog_emit.c
@@ -1423,40 +1423,11 @@ static void emit_arith(struct r300_pfs_compile_state *cs,
return;
}
-static GLfloat SinCosConsts[2][4] = {
- {
- 1.273239545, // 4/PI
- -0.405284735, // -4/(PI*PI)
- 3.141592654, // PI
- 0.2225 // weight
- },
- {
- 0.75,
- 0.0,
- 0.159154943, // 1/(2*PI)
- 6.283185307 // 2*PI
- }
-};
-
-static GLuint emit_sincosconsts(struct r300_pfs_compile_state *cs, int i)
-{
- struct prog_src_register srcreg;
- GLuint constant_swizzle;
-
- srcreg.File = PROGRAM_CONSTANT;
- srcreg.Index = _mesa_add_unnamed_constant(cs->compiler->program->Parameters,
- SinCosConsts[i], 4, &constant_swizzle);
- srcreg.Swizzle = constant_swizzle;
-
- return emit_const4fv(cs, srcreg);
-}
-
static void emit_instruction(struct r300_pfs_compile_state *cs, struct prog_instruction *fpi)
{
COMPILE_STATE;
- GLuint src[3], dest, temp[2];
+ GLuint src[3], dest;
int flags, mask = 0;
- int const_sin[2];
if (fpi->SaturateMode == SATURATE_ZERO_ONE)
flags = PFS_FLAG_SAT;
@@ -1485,60 +1456,6 @@ static void emit_instruction(struct r300_pfs_compile_state *cs, struct prog_inst
emit_arith(cs, PFS_OP_CMP, dest, mask,
src[2], src[1], src[0], flags);
break;
- case OPCODE_COS:
- /*
- * cos using a parabola (see SIN):
- * cos(x):
- * x = (x/(2*PI))+0.75
- * x = frac(x)
- * x = (x*2*PI)-PI
- * result = sin(x)
- */
- temp[0] = get_temp_reg(cs);
- const_sin[0] = emit_sincosconsts(cs, 0);
- const_sin[1] = emit_sincosconsts(cs, 1);
- src[0] = t_scalar_src(cs, fpi->SrcReg[0]);
-
- /* add 0.5*PI and do range reduction */
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_X,
- swizzle(src[0], X, X, X, X),
- swizzle(const_sin[1], Z, Z, Z, Z),
- swizzle(const_sin[1], X, X, X, X), 0);
-
- emit_arith(cs, PFS_OP_FRC, temp[0], WRITEMASK_X,
- swizzle(temp[0], X, X, X, X),
- undef, undef, 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_Z, swizzle(temp[0], X, X, X, X), swizzle(const_sin[1], W, W, W, W), //2*PI
- negate(swizzle(const_sin[0], Z, Z, Z, Z)), //-PI
- 0);
-
- /* SIN */
-
- emit_arith(cs, PFS_OP_MAD, temp[0],
- WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0],
- Z, Z, Z,
- Z),
- const_sin[0], pfs_zero, 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_X,
- swizzle(temp[0], Y, Y, Y, Y),
- absolute(swizzle(temp[0], Z, Z, Z, Z)),
- swizzle(temp[0], X, X, X, X), 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_Y,
- swizzle(temp[0], X, X, X, X),
- absolute(swizzle(temp[0], X, X, X, X)),
- negate(swizzle(temp[0], X, X, X, X)), 0);
-
- emit_arith(cs, PFS_OP_MAD, dest, mask,
- swizzle(temp[0], Y, Y, Y, Y),
- swizzle(const_sin[0], W, W, W, W),
- swizzle(temp[0], X, X, X, X), flags);
-
- free_temp(cs, temp[0]);
- break;
case OPCODE_DP3:
src[0] = t_src(cs, fpi->SrcReg[0]);
src[1] = t_src(cs, fpi->SrcReg[1]);
@@ -1609,127 +1526,6 @@ static void emit_instruction(struct r300_pfs_compile_state *cs, struct prog_inst
emit_arith(cs, PFS_OP_RSQ, dest, mask,
absolute(src[0]), pfs_zero, pfs_zero, flags);
break;
- case OPCODE_SCS:
- /*
- * scs using a parabola :
- * scs(x):
- * result.x = sin(-abs(x)+0.5*PI) (cos)
- * result.y = sin(x) (sin)
- *
- */
- temp[0] = get_temp_reg(cs);
- temp[1] = get_temp_reg(cs);
- const_sin[0] = emit_sincosconsts(cs, 0);
- const_sin[1] = emit_sincosconsts(cs, 1);
- src[0] = t_scalar_src(cs, fpi->SrcReg[0]);
-
- /* x = -abs(x)+0.5*PI */
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_Z, 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(cs, PFS_OP_MAD, temp[0], WRITEMASK_W,
- swizzle(const_sin[0], Y, Y, Y, Y),
- swizzle(keep(src[0]), X, X, X, X),
- pfs_zero, 0);
-
- /* B*x, C*x (cos) */
- emit_arith(cs, PFS_OP_MAD, temp[0],
- WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0],
- Z, Z, Z,
- Z),
- const_sin[0], pfs_zero, 0);
-
- /* B*x (sin) */
- emit_arith(cs, PFS_OP_MAD, temp[1], WRITEMASK_W,
- swizzle(const_sin[0], X, X, X, X),
- keep(src[0]), pfs_zero, 0);
-
- /* y = B*x + C*x*abs(x) (sin) */
- emit_arith(cs, PFS_OP_MAD, temp[1], WRITEMASK_Z,
- absolute(src[0]),
- swizzle(temp[0], W, W, W, W),
- swizzle(temp[1], W, W, W, W), 0);
-
- /* y = B*x + C*x*abs(x) (cos) */
- emit_arith(cs, PFS_OP_MAD, temp[1], WRITEMASK_W,
- swizzle(temp[0], Y, Y, Y, Y),
- absolute(swizzle(temp[0], Z, Z, Z, Z)),
- swizzle(temp[0], X, X, X, X), 0);
-
- /* y*abs(y) - y (cos), y*abs(y) - y (sin) */
- emit_arith(cs, PFS_OP_MAD, temp[0],
- WRITEMASK_X | WRITEMASK_Y, swizzle(temp[1],
- W, Z, Y,
- X),
- absolute(swizzle(temp[1], W, Z, Y, X)),
- negate(swizzle(temp[1], W, Z, Y, X)), 0);
-
- /* dest.xy = mad(temp.xy, P, temp2.wz) */
- emit_arith(cs, PFS_OP_MAD, dest,
- mask & (WRITEMASK_X | WRITEMASK_Y), temp[0],
- swizzle(const_sin[0], W, W, W, W),
- swizzle(temp[1], W, Z, Y, X), flags);
-
- free_temp(cs, temp[0]);
- free_temp(cs, temp[1]);
- break;
- case OPCODE_SIN:
- /*
- * using a parabola:
- * sin(x) = 4/pi * x + -4/(pi*pi) * x * abs(x)
- * extra precision is obtained by weighting against
- * itself squared.
- */
-
- temp[0] = get_temp_reg(cs);
- const_sin[0] = emit_sincosconsts(cs, 0);
- const_sin[1] = emit_sincosconsts(cs, 1);
- src[0] = t_scalar_src(cs, fpi->SrcReg[0]);
-
- /* do range reduction */
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_X,
- swizzle(keep(src[0]), X, X, X, X),
- swizzle(const_sin[1], Z, Z, Z, Z),
- pfs_half, 0);
-
- emit_arith(cs, PFS_OP_FRC, temp[0], WRITEMASK_X,
- swizzle(temp[0], X, X, X, X),
- undef, undef, 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_Z, swizzle(temp[0], X, X, X, X), swizzle(const_sin[1], W, W, W, W), //2*PI
- negate(swizzle(const_sin[0], Z, Z, Z, Z)), //PI
- 0);
-
- /* SIN */
-
- emit_arith(cs, PFS_OP_MAD, temp[0],
- WRITEMASK_X | WRITEMASK_Y, swizzle(temp[0],
- Z, Z, Z,
- Z),
- const_sin[0], pfs_zero, 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_X,
- swizzle(temp[0], Y, Y, Y, Y),
- absolute(swizzle(temp[0], Z, Z, Z, Z)),
- swizzle(temp[0], X, X, X, X), 0);
-
- emit_arith(cs, PFS_OP_MAD, temp[0], WRITEMASK_Y,
- swizzle(temp[0], X, X, X, X),
- absolute(swizzle(temp[0], X, X, X, X)),
- negate(swizzle(temp[0], X, X, X, X)), 0);
-
- emit_arith(cs, PFS_OP_MAD, dest, mask,
- swizzle(temp[0], Y, Y, Y, Y),
- swizzle(const_sin[0], W, W, W, W),
- swizzle(temp[0], X, X, X, X), flags);
-
- free_temp(cs, temp[0]);
- break;
case OPCODE_TEX:
emit_tex(cs, fpi, R300_TEX_OP_LD);
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-14 13:24:55 +0000