namespace ir_builder {
+#ifndef WRITEMASK_X
+enum writemask {
+ WRITEMASK_X = 0x1,
+ WRITEMASK_Y = 0x2,
+ WRITEMASK_Z = 0x4,
+ WRITEMASK_W = 0x8,
+};
+#endif
+
/**
* This little class exists to let the helper expression generators
* take either an ir_rvalue * or an ir_variable * to be automatically
class ir_factory {
public:
+ ir_factory(exec_list *instructions = NULL, void *mem_ctx = NULL)
+ : instructions(instructions),
+ mem_ctx(mem_ctx)
+ {
+ return;
+ }
+
void emit(ir_instruction *ir);
ir_variable *make_temp(const glsl_type *type, const char *name);
+ ir_constant*
+ constant(float f)
+ {
+ return new(mem_ctx) ir_constant(f);
+ }
+
+ ir_constant*
+ constant(int i)
+ {
+ return new(mem_ctx) ir_constant(i);
+ }
+
+ ir_constant*
+ constant(unsigned u)
+ {
+ return new(mem_ctx) ir_constant(u);
+ }
+
+ ir_constant*
+ constant(bool b)
+ {
+ return new(mem_ctx) ir_constant(b);
+ }
+
exec_list *instructions;
void *mem_ctx;
};
ir_assignment *assign(deref lhs, operand rhs);
ir_assignment *assign(deref lhs, operand rhs, int writemask);
+ir_assignment *assign(deref lhs, operand rhs, operand condition);
+ir_assignment *assign(deref lhs, operand rhs, operand condition, int writemask);
+
+ir_return *ret(operand retval);
ir_expression *expr(ir_expression_operation op, operand a);
ir_expression *expr(ir_expression_operation op, operand a, operand b);
+ir_expression *expr(ir_expression_operation op, operand a, operand b, operand c);
ir_expression *add(operand a, operand b);
ir_expression *sub(operand a, operand b);
ir_expression *mul(operand a, operand b);
+ir_expression *imul_high(operand a, operand b);
+ir_expression *div(operand a, operand b);
+ir_expression *carry(operand a, operand b);
+ir_expression *borrow(operand a, operand b);
+ir_expression *trunc(operand a);
+ir_expression *round_even(operand a);
+ir_expression *fract(operand a);
ir_expression *dot(operand a, operand b);
+ir_expression *clamp(operand a, operand b, operand c);
ir_expression *saturate(operand a);
-
+ir_expression *abs(operand a);
+ir_expression *neg(operand a);
+ir_expression *sin(operand a);
+ir_expression *cos(operand a);
+ir_expression *exp(operand a);
+ir_expression *rsq(operand a);
+ir_expression *sqrt(operand a);
+ir_expression *log(operand a);
+ir_expression *sign(operand a);
+
+ir_expression *subr_to_int(operand a);
+ir_expression *equal(operand a, operand b);
+ir_expression *nequal(operand a, operand b);
+ir_expression *less(operand a, operand b);
+ir_expression *greater(operand a, operand b);
+ir_expression *lequal(operand a, operand b);
+ir_expression *gequal(operand a, operand b);
+
+ir_expression *logic_not(operand a);
+ir_expression *logic_and(operand a, operand b);
+ir_expression *logic_or(operand a, operand b);
+
+ir_expression *bit_not(operand a);
+ir_expression *bit_or(operand a, operand b);
+ir_expression *bit_and(operand a, operand b);
+ir_expression *lshift(operand a, operand b);
+ir_expression *rshift(operand a, operand b);
+
+ir_expression *f2i(operand a);
+ir_expression *bitcast_f2i(operand a);
+ir_expression *i2f(operand a);
+ir_expression *bitcast_i2f(operand a);
+ir_expression *f2u(operand a);
+ir_expression *bitcast_f2u(operand a);
+ir_expression *u2f(operand a);
+ir_expression *bitcast_u2f(operand a);
+ir_expression *i2u(operand a);
+ir_expression *u2i(operand a);
+ir_expression *b2i(operand a);
+ir_expression *i2b(operand a);
+ir_expression *f2b(operand a);
+ir_expression *b2f(operand a);
+
+ir_expression *f2d(operand a);
+ir_expression *i2d(operand a);
+ir_expression *u2d(operand a);
+
+ir_expression *min2(operand a, operand b);
+ir_expression *max2(operand a, operand b);
+
+ir_expression *interpolate_at_centroid(operand a);
+ir_expression *interpolate_at_offset(operand a, operand b);
+ir_expression *interpolate_at_sample(operand a, operand b);
+
+ir_expression *fma(operand a, operand b, operand c);
+ir_expression *lrp(operand x, operand y, operand a);
+ir_expression *csel(operand a, operand b, operand c);
+ir_expression *bitfield_extract(operand a, operand b, operand c);
+ir_expression *bitfield_insert(operand a, operand b, operand c, operand d);
+
+ir_swizzle *swizzle(operand a, int swizzle, int components);
/**
* Swizzle away later components, but preserve the ordering.
*/
-ir_swizzle *swizzle_for_size(operand a, int components);
+ir_swizzle *swizzle_for_size(operand a, unsigned components);
ir_swizzle *swizzle_xxxx(operand a);
ir_swizzle *swizzle_yyyy(operand a);
ir_swizzle *swizzle_xyz(operand a);
ir_swizzle *swizzle_xyzw(operand a);
+ir_if *if_tree(operand condition,
+ ir_instruction *then_branch);
+ir_if *if_tree(operand condition,
+ ir_instruction *then_branch,
+ ir_instruction *else_branch);
+
} /* namespace ir_builder */