diff options
| author | Eric Anholt <[email protected]> | 2016-03-21 13:12:41 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2016-04-08 18:41:46 -0700 |
| commit | f029932cac36859df5a6d04d1dd7343672ced83a (patch) | |
| tree | ac97bad05b13684f65a87a7918ccfe49494aeb22 /src/gallium/drivers/vc4/vc4_qpu_emit.c | |
| parent | 44d7b8ad12df504058615901c7233c45e4f24a9f (diff) | |
vc4: Allow TLB Z/color/stencil writes from any ALU operation in QIR.
This lets us write the Z directly from the FTOI for computed Z, and may
let us coalesce color writes in the future.
No change in my shader-db, but clearly drops an instruction in piglit's
early-z test.
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_qpu_emit.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qpu_emit.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index 63e1ee54305..5c655495c2b 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -300,6 +300,11 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) last_vpm_read_index = qinst->src[i].index; src[i] = qpu_ra(QPU_R_VPM); break; + case QFILE_TLB_COLOR_WRITE: + case QFILE_TLB_COLOR_WRITE_MS: + case QFILE_TLB_Z_WRITE: + case QFILE_TLB_STENCIL_SETUP: + unreachable("bad qir src file"); } } @@ -314,6 +319,23 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) case QFILE_VPM: dst = qpu_ra(QPU_W_VPM); break; + + case QFILE_TLB_COLOR_WRITE: + dst = qpu_tlbc(); + break; + + case QFILE_TLB_COLOR_WRITE_MS: + dst = qpu_tlbc_ms(); + break; + + case QFILE_TLB_Z_WRITE: + dst = qpu_ra(QPU_W_TLB_Z); + break; + + case QFILE_TLB_STENCIL_SETUP: + dst = qpu_ra(QPU_W_TLB_STENCIL_SETUP); + break; + case QFILE_VARY: case QFILE_UNIF: case QFILE_SMALL_IMM: @@ -383,19 +405,6 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) */ break; - case QOP_TLB_STENCIL_SETUP: - assert(!unpack); - queue(c, qpu_a_MOV(qpu_ra(QPU_W_TLB_STENCIL_SETUP), - src[0]) | unpack); - break; - - case QOP_TLB_Z_WRITE: - queue(c, qpu_a_MOV(qpu_ra(QPU_W_TLB_Z), - src[0]) | unpack); - set_last_cond_add(c, qinst->cond); - handled_qinst_cond = true; - break; - case QOP_TLB_COLOR_READ: queue(c, qpu_NOP()); *last_inst(c) = qpu_set_sig(*last_inst(c), @@ -403,18 +412,6 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) handle_r4_qpu_write(c, qinst, dst); break; - case QOP_TLB_COLOR_WRITE: - queue(c, qpu_a_MOV(qpu_tlbc(), src[0]) | unpack); - set_last_cond_add(c, qinst->cond); - handled_qinst_cond = true; - break; - - case QOP_TLB_COLOR_WRITE_MS: - queue(c, qpu_a_MOV(qpu_tlbc_ms(), src[0])); - set_last_cond_add(c, qinst->cond); - handled_qinst_cond = true; - break; - case QOP_VARY_ADD_C: queue(c, qpu_a_FADD(dst, src[0], qpu_r5()) | unpack); break; |