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r300g: use util_bitcount()

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This commit is contained in:
Brian Paul
2009-11-23 18:06:19 -07:00
parent 0a27c7b963
commit 8d80b5400a
1 changed files with 2 additions and 17 deletions
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src/gallium/drivers/r300/r300_emit.c
+2 -17
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@@ -721,21 +721,6 @@ void r300_emit_vertex_format_state(struct r300_context* r300)
END_CS;
}
/* XXX This should go to util ... */
/* Return the number of bits set in the given number. */
static unsigned bitcount(unsigned n)
{
unsigned bits = 0;
while (n) {
if (n & 1) {
bits++;
}
n >>= 1;
}
return bits;
}
void r300_emit_vertex_program_code(struct r300_context* r300,
struct r300_vertex_program_code* code)
@@ -745,8 +730,8 @@ void r300_emit_vertex_program_code(struct r300_context* r300,
unsigned instruction_count = code->length / 4;
int vtx_mem_size = r300screen->caps->is_r500 ? 128 : 72;
int input_count = MAX2(bitcount(code->InputsRead), 1);
int output_count = MAX2(bitcount(code->OutputsWritten), 1);
int input_count = MAX2(util_bitcount(code->InputsRead), 1);
int output_count = MAX2(util_bitcount(code->OutputsWritten), 1);
int temp_count = MAX2(code->num_temporaries, 1);
int pvs_num_slots = MIN3(vtx_mem_size / input_count,
vtx_mem_size / output_count, 10);