struct lp_type;
struct lp_build_context;
+struct gallivm_state;
/**
LLVMValueRef b);
LLVMValueRef
-lp_build_sum_vector(struct lp_build_context *bld,
- LLVMValueRef a);
+lp_build_horizontal_add(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_hadd_partial4(struct lp_build_context *bld,
+ LLVMValueRef vectors[],
+ unsigned num_vecs);
LLVMValueRef
lp_build_sub(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
+
+/**
+ * Set when the weights for normalized are prescaled, that is, in range
+ * 0..2**n, as opposed to range 0..2**(n-1).
+ */
+#define LP_BLD_LERP_PRESCALED_WEIGHTS (1 << 0)
+
+/**
+ * Used internally when using wide intermediates for normalized lerps.
+ *
+ * Do not use.
+ */
+#define LP_BLD_LERP_WIDE_NORMALIZED (1 << 1)
+
LLVMValueRef
lp_build_lerp(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef v0,
- LLVMValueRef v1);
+ LLVMValueRef v1,
+ unsigned flags);
-/**
- * Bilinear interpolation.
- *
- * Values indices are in v_{yx}.
- */
LLVMValueRef
lp_build_lerp_2d(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef v00,
LLVMValueRef v01,
LLVMValueRef v10,
- LLVMValueRef v11);
+ LLVMValueRef v11,
+ unsigned flags);
+
+LLVMValueRef
+lp_build_lerp_3d(struct lp_build_context *bld,
+ LLVMValueRef x,
+ LLVMValueRef y,
+ LLVMValueRef z,
+ LLVMValueRef v000,
+ LLVMValueRef v001,
+ LLVMValueRef v010,
+ LLVMValueRef v011,
+ LLVMValueRef v100,
+ LLVMValueRef v101,
+ LLVMValueRef v110,
+ LLVMValueRef v111,
+ unsigned flags);
+
+/**
+ * Specifies floating point NaN behavior.
+ */
+enum gallivm_nan_behavior {
+ /* Results are undefined with NaN. Results in fastest code */
+ GALLIVM_NAN_BEHAVIOR_UNDEFINED,
+ /* If one of the inputs is NaN, NaN is returned */
+ GALLIVM_NAN_RETURN_NAN,
+ /* If one of the inputs is NaN, the other operand is returned */
+ GALLIVM_NAN_RETURN_OTHER,
+ /* If one of the inputs is NaN, the other operand is returned,
+ * but we guarantee the second operand is not a NaN.
+ * In min/max it will be as fast as undefined with sse opcodes,
+ * and archs having native return_other can benefit too. */
+ GALLIVM_NAN_RETURN_OTHER_SECOND_NONNAN,
+ /* If one of the inputs is NaN, NaN is returned,
+ * but we guarantee the first operand is not a NaN.
+ * In min/max it will be as fast as undefined with sse opcodes,
+ * and archs having native return_nan can benefit too. */
+ GALLIVM_NAN_RETURN_NAN_FIRST_NONNAN,
+
+};
LLVMValueRef
lp_build_min(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
+LLVMValueRef
+lp_build_min_ext(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b,
+ enum gallivm_nan_behavior nan_behavior);
+
LLVMValueRef
lp_build_max(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
+LLVMValueRef
+lp_build_max_ext(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b,
+ enum gallivm_nan_behavior nan_behavior);
+
LLVMValueRef
lp_build_clamp(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef min,
LLVMValueRef max);
+LLVMValueRef
+lp_build_clamp_zero_one_nanzero(struct lp_build_context *bld,
+ LLVMValueRef a);
+
LLVMValueRef
lp_build_abs(struct lp_build_context *bld,
LLVMValueRef a);
lp_build_fract(struct lp_build_context *bld,
LLVMValueRef a);
+LLVMValueRef
+lp_build_fract_safe(struct lp_build_context *bld,
+ LLVMValueRef a);
+
LLVMValueRef
lp_build_ifloor(struct lp_build_context *bld,
LLVMValueRef a);
lp_build_itrunc(struct lp_build_context *bld,
LLVMValueRef a);
+void
+lp_build_ifloor_fract(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef *out_ipart,
+ LLVMValueRef *out_fpart);
+
+void
+lp_build_ifloor_fract_safe(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef *out_ipart,
+ LLVMValueRef *out_fpart);
+
LLVMValueRef
lp_build_sqrt(struct lp_build_context *bld,
LLVMValueRef a);
lp_build_rsqrt(struct lp_build_context *bld,
LLVMValueRef a);
+boolean
+lp_build_fast_rsqrt_available(struct lp_type type);
+
+LLVMValueRef
+lp_build_fast_rsqrt(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_polynomial(struct lp_build_context *bld,
+ LLVMValueRef x,
+ const double *coeffs,
+ unsigned num_coeffs);
+
LLVMValueRef
lp_build_cos(struct lp_build_context *bld,
LLVMValueRef a);
lp_build_log(struct lp_build_context *bld,
LLVMValueRef a);
+LLVMValueRef
+lp_build_log_safe(struct lp_build_context *bld,
+ LLVMValueRef a);
+
LLVMValueRef
lp_build_exp2(struct lp_build_context *bld,
LLVMValueRef a);
+LLVMValueRef
+lp_build_extract_exponent(struct lp_build_context *bld,
+ LLVMValueRef x,
+ int bias);
+
+LLVMValueRef
+lp_build_extract_mantissa(struct lp_build_context *bld,
+ LLVMValueRef x);
+
LLVMValueRef
lp_build_log2(struct lp_build_context *bld,
LLVMValueRef a);
-void
-lp_build_exp2_approx(struct lp_build_context *bld,
- LLVMValueRef x,
- LLVMValueRef *p_exp2_int_part,
- LLVMValueRef *p_frac_part,
- LLVMValueRef *p_exp2);
+LLVMValueRef
+lp_build_log2_safe(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_fast_log2(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_ilog2(struct lp_build_context *bld,
+ LLVMValueRef x);
void
lp_build_log2_approx(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef *p_exp,
LLVMValueRef *p_floor_log2,
- LLVMValueRef *p_log2);
+ LLVMValueRef *p_log2,
+ boolean handle_nans);
+
+LLVMValueRef
+lp_build_mod(struct lp_build_context *bld,
+ LLVMValueRef x,
+ LLVMValueRef y);
+
+LLVMValueRef
+lp_build_isnan(struct lp_build_context *bld,
+ LLVMValueRef x);
+
+LLVMValueRef
+lp_build_isfinite(struct lp_build_context *bld,
+ LLVMValueRef x);
+
+
+LLVMValueRef
+lp_build_is_inf_or_nan(struct gallivm_state *gallivm,
+ const struct lp_type type,
+ LLVMValueRef x);
+
+
+LLVMValueRef
+lp_build_fpstate_get(struct gallivm_state *gallivm);
+
+void
+lp_build_fpstate_set_denorms_zero(struct gallivm_state *gallivm,
+ boolean zero);
+void
+lp_build_fpstate_set(struct gallivm_state *gallivm,
+ LLVMValueRef mxcsr);
#endif /* !LP_BLD_ARIT_H */