AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement exp2() and log2(), and make ir_unop_exp and ir_unop_log be base e.

Browse Source 
Making the base e functions IR operations is not a clear win.  i965
doesn't support it, it doesn't look like r600 supports it, but r500
does. It should be easily supportable as a lowering pass, though.
This commit is contained in:
Eric Anholt
2010-03-27 13:56:35 -07:00
committed by Ian Romanick
parent 53afc3609d
commit 01665262e5
3 changed files with 22 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
builtin_function.cpp
+18 -2
View File
@@ -76,6 +76,22 @@ generate_log(exec_list *instructions,
generate_unop(instructions, declarations, type, ir_unop_log);
}
static void
generate_exp2(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_exp2);
}
static void
generate_log2(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
{
generate_unop(instructions, declarations, type, ir_unop_log2);
}
static void
generate_rsq(exec_list *instructions,
ir_variable **declarations,
@@ -278,8 +294,8 @@ generate_110_functions(glsl_symbol_table *symtab, exec_list *instructions)
make_gentype_function(symtab, instructions, "pow", 2, generate_pow);
make_gentype_function(symtab, instructions, "exp", 1, generate_exp);
make_gentype_function(symtab, instructions, "log", 1, generate_log);
/* FINISHME: exp2() */
/* FINISHME: log2() */
make_gentype_function(symtab, instructions, "exp2", 1, generate_exp2);
make_gentype_function(symtab, instructions, "log2", 1, generate_log2);
make_gentype_function(symtab, instructions, "sqrt", 1, generate_sqrt);
make_gentype_function(symtab, instructions, "inversesqrt", 1, generate_rsq);
make_gentype_function(symtab, instructions, "abs", 1, generate_abs);