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Implement additional unary gentype builtins.

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This commit is contained in:
Eric Anholt
2010-03-27 12:25:20 -07:00
committed by Ian Romanick
parent c22c40015d
commit 2eec73f735
1 changed files with 58 additions and 9 deletions
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builtin_function.cpp
+58 -9
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@@ -28,20 +28,69 @@
#include "ir.h"
static void
generate_exp(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
generate_unop(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type,
enum ir_expression_operation op)
{
ir_dereference *const retval = new ir_dereference(declarations[16]);
ir_dereference *const arg = new ir_dereference(declarations[0]);
ir_rvalue *result;
result = new ir_expression(ir_unop_exp, type, arg, NULL);
result = new ir_expression(op, type, arg, NULL);
ir_instruction *inst = new ir_assignment(retval, result, NULL);
instructions->push_tail(inst);
}
static void
generate_exp(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_exp);
}
static void
generate_log(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_log);
}
static void
generate_rsq(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_rsq);
}
static void
generate_abs(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_abs);
}
static void
generate_ceil(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_ceil);
}
static void
generate_floor(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_floor);
}
void
generate_function_instance(ir_function *f,
const char *name,
@@ -112,15 +161,15 @@ generate_110_functions(glsl_symbol_table *symtab, exec_list *instructions)
/* FINISHME: atan(y/x) */
/* FINISHME: pow() */
make_gentype_function(symtab, instructions, "exp", generate_exp);
/* FINISHME: log() */
make_gentype_function(symtab, instructions, "log", generate_log);
/* FINISHME: exp2() */
/* FINISHME: log2() */
/* FINISHME: sqrt() */
/* FINISHME: inversesqrt() */
/* FINISHME: abs() */
make_gentype_function(symtab, instructions, "inversesqrt", generate_rsq);
make_gentype_function(symtab, instructions, "abs", generate_abs);
/* FINISHME: sign() */
/* FINISHME: floor() */
/* FINISHME: ceil() */
make_gentype_function(symtab, instructions, "floor", generate_floor);
make_gentype_function(symtab, instructions, "ceil", generate_ceil);
/* FINISHME: fract() */
/* FINISHME: mod(x, float y) */
/* FINISHME: mod(x, y) */