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* Copyright © 2012 Intel Corporation
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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namespace ir_builder {
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* This little class exists to let the helper expression generators
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* take either an ir_rvalue * or an ir_variable * to be automatically
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* dereferenced, while still providing compile-time type checking.
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* You don't have to explicitly call the constructor -- C++ will see
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* that you passed an ir_variable, and silently call the
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* operand(ir_variable *var) constructor behind your back.
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operand(ir_rvalue *val)
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operand(ir_variable *var)
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void *mem_ctx = ralloc_parent(var);
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val = new(mem_ctx) ir_dereference_variable(var);
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/** Automatic generator for ir_dereference_variable on assignment LHS.
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deref(ir_dereference *val)
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deref(ir_variable *var)
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void *mem_ctx = ralloc_parent(var);
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val = new(mem_ctx) ir_dereference_variable(var);
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ir_factory(exec_list *instructions = NULL, void *mem_ctx = NULL)
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: instructions(instructions),
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void emit(ir_instruction *ir);
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ir_variable *make_temp(const glsl_type *type, const char *name);
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return new(mem_ctx) ir_constant(f);
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return new(mem_ctx) ir_constant(i);
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return new(mem_ctx) ir_constant(u);
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return new(mem_ctx) ir_constant(b);
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exec_list *instructions;
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ir_assignment *assign(deref lhs, operand rhs);
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ir_assignment *assign(deref lhs, operand rhs, int writemask);
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ir_return *ret(operand retval);
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ir_expression *expr(ir_expression_operation op, operand a);
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ir_expression *expr(ir_expression_operation op, operand a, operand b);
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ir_expression *expr(ir_expression_operation op, operand a, operand b, operand c);
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ir_expression *add(operand a, operand b);
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ir_expression *sub(operand a, operand b);
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ir_expression *mul(operand a, operand b);
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ir_expression *imul_high(operand a, operand b);
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ir_expression *div(operand a, operand b);
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ir_expression *carry(operand a, operand b);
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ir_expression *borrow(operand a, operand b);
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ir_expression *trunc(operand a);
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ir_expression *round_even(operand a);
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ir_expression *fract(operand a);
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ir_expression *dot(operand a, operand b);
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ir_expression *clamp(operand a, operand b, operand c);
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ir_expression *saturate(operand a);
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ir_expression *abs(operand a);
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ir_expression *neg(operand a);
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ir_expression *sin(operand a);
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ir_expression *cos(operand a);
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ir_expression *exp(operand a);
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ir_expression *rcp(operand a);
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ir_expression *rsq(operand a);
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ir_expression *sqrt(operand a);
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ir_expression *log(operand a);
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ir_expression *sign(operand a);
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ir_expression *subr_to_int(operand a);
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ir_expression *equal(operand a, operand b);
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ir_expression *nequal(operand a, operand b);
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ir_expression *less(operand a, operand b);
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ir_expression *greater(operand a, operand b);
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ir_expression *lequal(operand a, operand b);
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ir_expression *gequal(operand a, operand b);
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ir_expression *logic_not(operand a);
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ir_expression *logic_and(operand a, operand b);
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ir_expression *logic_or(operand a, operand b);
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ir_expression *bit_not(operand a);
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ir_expression *bit_or(operand a, operand b);
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ir_expression *bit_and(operand a, operand b);
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ir_expression *bit_xor(operand a, operand b);
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ir_expression *lshift(operand a, operand b);
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ir_expression *rshift(operand a, operand b);
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ir_expression *f2i(operand a);
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ir_expression *bitcast_f2i(operand a);
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ir_expression *i2f(operand a);
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ir_expression *bitcast_i2f(operand a);
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ir_expression *f2u(operand a);
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ir_expression *bitcast_f2u(operand a);
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ir_expression *u2f(operand a);
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ir_expression *bitcast_u2f(operand a);
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ir_expression *i2u(operand a);
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ir_expression *u2i(operand a);
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ir_expression *b2i(operand a);
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ir_expression *i2b(operand a);
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ir_expression *f2b(operand a);
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ir_expression *b2f(operand a);
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ir_expression *f2d(operand a);
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ir_expression *i2d(operand a);
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ir_expression *u2d(operand a);
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ir_expression *bitcast_d2i64(operand a);
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ir_expression *bitcast_d2u64(operand a);
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ir_expression *bitcast_i642d(operand a);
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ir_expression *bitcast_u642d(operand a);
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ir_expression *min2(operand a, operand b);
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ir_expression *max2(operand a, operand b);
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ir_expression *interpolate_at_centroid(operand a);
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ir_expression *interpolate_at_offset(operand a, operand b);
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ir_expression *interpolate_at_sample(operand a, operand b);
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ir_expression *fma(operand a, operand b, operand c);
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ir_expression *lrp(operand x, operand y, operand a);
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ir_expression *csel(operand a, operand b, operand c);
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ir_expression *bitfield_extract(operand a, operand b, operand c);
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ir_expression *bitfield_insert(operand a, operand b, operand c, operand d);
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ir_swizzle *swizzle(operand a, int swizzle, int components);
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* Swizzle away later components, but preserve the ordering.
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ir_swizzle *swizzle_for_size(operand a, unsigned components);
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ir_swizzle *swizzle_xxxx(operand a);
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ir_swizzle *swizzle_yyyy(operand a);
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ir_swizzle *swizzle_zzzz(operand a);
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ir_swizzle *swizzle_wwww(operand a);
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ir_swizzle *swizzle_x(operand a);
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ir_swizzle *swizzle_y(operand a);
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ir_swizzle *swizzle_z(operand a);
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ir_swizzle *swizzle_w(operand a);
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ir_swizzle *swizzle_xy(operand a);
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ir_swizzle *swizzle_xyz(operand a);
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ir_swizzle *swizzle_xyzw(operand a);
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ir_if *if_tree(operand condition,
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ir_instruction *then_branch);
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ir_if *if_tree(operand condition,
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ir_instruction *then_branch,
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ir_instruction *else_branch);
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} /* namespace ir_builder */