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r300/compiler: add a function to query program stats (alu, tex, temps..)

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This commit is contained in:
Marek Olšák 2010-12-07 23:34:21 +01:00
parent 431b4c0c84
commit 2592a8f506
2 changed files with 39 additions and 15 deletions
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42
src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
View file

@ -357,44 +357,54 @@ void rc_transform_fragment_face(struct radeon_compiler *c, unsigned face)
static void reg_count_callback(void * userdata, struct rc_instruction * inst,
rc_register_file file, unsigned int index, unsigned int mask)
{
unsigned int * max_reg = userdata;
int *max_reg = userdata;
if (file == RC_FILE_TEMPORARY)
index > *max_reg ? *max_reg = index : 0;
(int)index > *max_reg ? *max_reg = index : 0;
}
static void print_stats(struct radeon_compiler * c)
void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s)
{
int max_reg = -1;
struct rc_instruction * tmp;
unsigned max_reg, insts, fc, tex, alpha, rgb, presub;
max_reg = insts = fc = tex = alpha = rgb = presub = 0;
memset(s, 0, sizeof(*s));
for(tmp = c->Program.Instructions.Next; tmp != &c->Program.Instructions;
tmp = tmp->Next){
const struct rc_opcode_info * info;
rc_for_all_reads_mask(tmp, reg_count_callback, &max_reg);
if (tmp->Type == RC_INSTRUCTION_NORMAL) {
if (tmp->U.I.PreSub.Opcode != RC_PRESUB_NONE)
presub++;
s->num_presub_ops++;
info = rc_get_opcode_info(tmp->U.I.Opcode);
} else {
if (tmp->U.P.RGB.Src[RC_PAIR_PRESUB_SRC].Used)
presub++;
s->num_presub_ops++;
if (tmp->U.P.Alpha.Src[RC_PAIR_PRESUB_SRC].Used)
presub++;
s->num_presub_ops++;
/* Assuming alpha will never be a flow control or
* a tex instruction. */
if (tmp->U.P.Alpha.Opcode != RC_OPCODE_NOP)
alpha++;
s->num_alpha_insts++;
if (tmp->U.P.RGB.Opcode != RC_OPCODE_NOP)
rgb++;
s->num_rgb_insts++;
info = rc_get_opcode_info(tmp->U.P.RGB.Opcode);
}
if (info->IsFlowControl)
fc++;
s->num_fc_insts++;
if (info->HasTexture)
tex++;
insts++;
s->num_tex_insts++;
s->num_insts++;
}
if (insts < 4)
s->num_temp_regs = max_reg + 1;
}
static void print_stats(struct radeon_compiler * c)
{
struct rc_program_stats s;
rc_get_stats(c, &s);
if (s.num_insts < 4)
return;
fprintf(stderr,"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
"~%4u Instructions\n"
@ -405,7 +415,9 @@ static void print_stats(struct radeon_compiler * c)
"~%4u Presub Operations\n"
"~%4u Temporary Registers\n"
"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n",
insts, rgb, alpha, fc, tex, presub, max_reg + 1);
s.num_insts, s.num_rgb_insts, s.num_alpha_insts,
s.num_fc_insts, s.num_tex_insts, s.num_presub_ops,
s.num_temp_regs);
}
/* Executes a list of compiler passes given in the parameter 'list'. */

12
src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
View file

@ -140,6 +140,18 @@ struct radeon_compiler_pass {
void *user; /* Optional parameter which is passed to the run function. */
};
struct rc_program_stats {
unsigned num_insts;
unsigned num_fc_insts;
unsigned num_tex_insts;
unsigned num_rgb_insts;
unsigned num_alpha_insts;
unsigned num_presub_ops;
unsigned num_temp_regs;
};
void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s);
/* Executes a list of compiler passes given in the parameter 'list'. */
void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *list,
const char *shader_name);