diff options
| author | Christian König <deathsimple@vodafone.de> | 2011-02-02 00:24:34 +0100 |
|---|---|---|
| committer | Christian König <deathsimple@vodafone.de> | 2011-02-02 01:33:03 +0100 |
| commit | 8ca3b140eb53fd8063337a5a2a54a35987d597bc (patch) | |
| tree | 1005fa8685f97feec39ba981dd025290d3068205 /src/gallium/drivers/r600/r600_asm.c | |
| parent | 8503cffc4c7b8df8d4260161dc8aa06b0f81f19e (diff) | |
r600g: use burst exports in shaders
Join multiple exports into just one instruction
instead of exporting each register separately.
Diffstat (limited to 'src/gallium/drivers/r600/r600_asm.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_asm.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c index 13bf7644e7..e910d1cc73 100644 --- a/src/gallium/drivers/r600/r600_asm.c +++ b/src/gallium/drivers/r600/r600_asm.c @@ -246,6 +246,37 @@ int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output) { int r; + if (bc->cf_last && (bc->cf_last->inst == output->inst || + (bc->cf_last->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT) && + output->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE))) && + output->type == bc->cf_last->output.type && + output->elem_size == bc->cf_last->output.elem_size && + output->swizzle_x == bc->cf_last->output.swizzle_x && + output->swizzle_y == bc->cf_last->output.swizzle_y && + output->swizzle_z == bc->cf_last->output.swizzle_z && + output->swizzle_w == bc->cf_last->output.swizzle_w && + (output->burst_count + bc->cf_last->output.burst_count) <= 16) { + + if ((output->gpr + output->burst_count) == bc->cf_last->output.gpr && + (output->array_base + output->burst_count) == bc->cf_last->output.array_base) { + + bc->cf_last->output.end_of_program |= output->end_of_program; + bc->cf_last->output.inst = output->inst; + bc->cf_last->output.gpr = output->gpr; + bc->cf_last->output.array_base = output->array_base; + bc->cf_last->output.burst_count += output->burst_count; + return 0; + + } else if (output->gpr == (bc->cf_last->output.gpr + bc->cf_last->output.burst_count) && + output->array_base == (bc->cf_last->output.array_base + bc->cf_last->output.burst_count)) { + + bc->cf_last->output.end_of_program |= output->end_of_program; + bc->cf_last->output.inst = output->inst; + bc->cf_last->output.burst_count += output->burst_count; + return 0; + } + } + r = r600_bc_add_cf(bc); if (r) return r; @@ -1443,7 +1474,8 @@ static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf) S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) | S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) | S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type); - bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) | + bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(cf->output.burst_count - 1) | + S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) | S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) | S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) | S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) | @@ -1725,9 +1757,9 @@ void r600_bc_dump(struct r600_bc *bc) fprintf(stderr, "SWIZ_Y:%X ", cf->output.swizzle_y); fprintf(stderr, "SWIZ_Z:%X ", cf->output.swizzle_z); fprintf(stderr, "SWIZ_W:%X ", cf->output.swizzle_w); - fprintf(stderr, "SWIZ_W:%X ", cf->output.swizzle_w); fprintf(stderr, "BARRIER:%X ", cf->output.barrier); fprintf(stderr, "INST:%d ", cf->output.inst); + fprintf(stderr, "BURST_COUNT:%d ", cf->output.burst_count); fprintf(stderr, "EOP:%X\n", cf->output.end_of_program); break; case V_SQ_CF_WORD1_SQ_CF_INST_JUMP: |