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ir_to_mesa: add logic_not and f2b to get CorrectParse2.frag working.

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This commit is contained in:
Eric Anholt 2010-05-07 12:12:49 -07:00
parent c5ca73e72c
commit 1d20862c8a
2 changed files with 32 additions and 0 deletions
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31
ir_to_mesa.cpp
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@ -195,6 +195,27 @@ ir_to_mesa_visitor::create_tree(int op,
return tree;
}
struct mbtree *
ir_to_mesa_visitor::create_tree_for_float(ir_instruction *ir, float val)
{
struct mbtree *tree = (struct mbtree *)calloc(sizeof(struct mbtree), 1);
tree = this->create_tree(MB_TERM_reference_vec4, ir, NULL, NULL);
/* FINISHME: This will end up being _mesa_add_unnamed_constant,
* which handles sharing values and sharing channels of vec4
* constants for small values.
*/
/* FINISHME: Do something with the constant values for now.
*/
(void)val;
ir_to_mesa_set_tree_reg(tree, PROGRAM_CONSTANT, this->next_constant++);
tree->src_reg.swizzle = SWIZZLE_NOOP;
this->result = tree;
return tree;
}
/**
* In the initial pass of codegen, we assign temporary numbers to
* intermediate results. (not SSA -- variable assignments will reuse
@ -344,6 +365,11 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
this->result = NULL;
switch (ir->operation) {
case ir_unop_logic_not:
this->result = this->create_tree_for_float(ir, 0.0);
this->result = this->create_tree(MB_TERM_seq_vec4_vec4, ir,
op[0], this->result);
break;
case ir_unop_exp:
this->result = this->create_tree(MB_TERM_exp_vec4, ir, op[0], NULL);
break;
@ -416,6 +442,11 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
case ir_unop_f2i:
this->result = this->create_tree(MB_TERM_trunc_vec4, ir, op[0], NULL);
break;
case ir_unop_f2b:
this->result = this->create_tree_for_float(ir, 0.0);
this->result = this->create_tree(MB_TERM_sne_vec4_vec4, ir,
op[0], this->result);
break;
default:
break;
}

1
ir_to_mesa.h
View file

@ -108,6 +108,7 @@ public:
ir_instruction *ir,
struct mbtree *left,
struct mbtree *right);
struct mbtree *create_tree_for_float(ir_instruction *ir, float val);
/**
* \name Visit methods