Cross Reference: /external/mesa3d/src/glsl/lower

Lines Matching refs:ir
86 #include "ir.h"
125 lower_instructions_visitor::sub_to_add_neg(ir_expression *ir)
127    ir->operation = ir_binop_add;
128    ir->operands[1] = new(ir) ir_expression(ir_unop_neg, ir->operands[1]->type,
129 					   ir->operands[1], NULL);
134 lower_instructions_visitor::div_to_mul_rcp(ir_expression *ir)
136    assert(ir->operands[1]->type->is_float());
140    expr = new(ir) ir_expression(ir_unop_rcp,
141 				ir->operands[1]->type,
142 				ir->operands[1]);
145    ir->operation = ir_binop_mul;
146    ir->operands[1] = expr;
152 lower_instructions_visitor::int_div_to_mul_rcp(ir_expression *ir)
154    assert(ir->operands[1]->type->is_integer());
164 				      ir->operands[1]->type->vector_elements,
165 				      ir->operands[1]->type->matrix_columns);
167    if (ir->operands[1]->type->base_type == GLSL_TYPE_INT)
168       op1 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[1], NULL);
170       op1 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[1], NULL);
172    op1 = new(ir) ir_expression(ir_unop_rcp, op1->type, op1, NULL);
175 				      ir->operands[0]->type->vector_elements,
176 				      ir->operands[0]->type->matrix_columns);
178    if (ir->operands[0]->type->base_type == GLSL_TYPE_INT)
179       op0 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[0], NULL);
181       op0 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[0], NULL);
184 				      ir->type->vector_elements,
185 				      ir->type->matrix_columns);
187    op0 = new(ir) ir_expression(ir_binop_mul, vec_type, op0, op1);
189    if (ir->operands[1]->type->base_type == GLSL_TYPE_INT) {
190       ir->operation = ir_unop_f2i;
191       ir->operands[0] = op0;
193       ir->operation = ir_unop_i2u;
194       ir->operands[0] = new(ir) ir_expression(ir_unop_f2i, op0);
196    ir->operands[1] = NULL;
202 lower_instructions_visitor::exp_to_exp2(ir_expression *ir)
204    ir_constant *log2_e = new(ir) ir_constant(float(M_LOG2E));
206    ir->operation = ir_unop_exp2;
207    ir->operands[0] = new(ir) ir_expression(ir_binop_mul, ir->operands[0]->type,
208 					   ir->operands[0], log2_e);
213 lower_instructions_visitor::pow_to_exp2(ir_expression *ir)
216       new(ir) ir_expression(ir_unop_log2, ir->operands[0]->type,
217 			    ir->operands[0]);
219    ir->operation = ir_unop_exp2;
220    ir->operands[0] = new(ir) ir_expression(ir_binop_mul, ir->operands[1]->type,
221 					   ir->operands[1], log2_x);
222    ir->operands[1] = NULL;
227 lower_instructions_visitor::log_to_log2(ir_expression *ir)
229    ir->operation = ir_binop_mul;
230    ir->operands[0] = new(ir) ir_expression(ir_unop_log2, ir->operands[0]->type,
231 					   ir->operands[0], NULL);
232    ir->operands[1] = new(ir) ir_constant(float(1.0 / M_LOG2E));
237 lower_instructions_visitor::mod_to_fract(ir_expression *ir)
239    ir_variable *temp = new(ir) ir_variable(ir->operands[1]->type, "mod_b",
244       new(ir) ir_assignment(new(ir) ir_dereference_variable(temp),
245 			    ir->operands[1], NULL);
250       new(ir) ir_expression(ir_binop_div, ir->operands[0]->type,
251 			    ir->operands[0],
252 			    new(ir) ir_dereference_variable(temp));
260    ir_rvalue *expr = new(ir) ir_expression(ir_unop_fract,
261 					   ir->operands[0]->type,
265    ir->operation = ir_binop_mul;
266    ir->operands[0] = new(ir) ir_dereference_variable(temp);
267    ir->operands[1] = expr;
272 lower_instructions_visitor::visit_leave(ir_expression *ir)
274    switch (ir->operation) {
277 	 sub_to_add_neg(ir);
281       if (ir->operands[1]->type->is_integer() && lowering(INT_DIV_TO_MUL_RCP))
282 	 int_div_to_mul_rcp(ir);
283       else if (ir->operands[1]->type->is_float() && lowering(DIV_TO_MUL_RCP))
284 	 div_to_mul_rcp(ir);
289 	 exp_to_exp2(ir);
294 	 log_to_log2(ir);
298       if (lowering(MOD_TO_FRACT) && ir->type->is_float())
299 	 mod_to_fract(ir);
304 	 pow_to_exp2(ir);