diff options
Diffstat (limited to 'src/gallium/drivers/vc4')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qir.c | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qir.h | 10 | ||||
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qpu_emit.c | 6 |
3 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c index a34eccf5091..f9c9703e3f9 100644 --- a/src/gallium/drivers/vc4/vc4_qir.c +++ b/src/gallium/drivers/vc4/vc4_qir.c @@ -82,6 +82,8 @@ static const struct qir_op_info qir_op_info[] = { [QOP_TEX_DIRECT] = { "tex_direct", 0, 2, true }, [QOP_TEX_RESULT] = { "tex_result", 1, 0, true }, + [QOP_THRSW] = { "thrsw", 0, 0, true }, + [QOP_LOAD_IMM] = { "load_imm", 0, 1 }, [QOP_LOAD_IMM_U2] = { "load_imm_u2", 0, 1 }, [QOP_LOAD_IMM_I2] = { "load_imm_i2", 0, 1 }, diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h index c76aeb2bf4e..7f321c46868 100644 --- a/src/gallium/drivers/vc4/vc4_qir.h +++ b/src/gallium/drivers/vc4/vc4_qir.h @@ -156,6 +156,16 @@ enum qop { */ QOP_TEX_RESULT, + /** + * Insert the signal for switching threads in a threaded fragment + * shader. No value can be live in an accumulator across a thrsw. + * + * At the QPU level, this will have several delay slots before the + * switch happens. Those slots are the responsibility of the + * scheduler. + */ + QOP_THRSW, + /* 32-bit immediate loaded to each SIMD channel */ QOP_LOAD_IMM, diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index eedee55a9f5..58fcbc93d97 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -500,6 +500,12 @@ vc4_generate_code_block(struct vc4_compile *c, handle_r4_qpu_write(block, qinst, dst); break; + case QOP_THRSW: + queue(block, qpu_NOP()); + *last_inst(block) = qpu_set_sig(*last_inst(block), + QPU_SIG_THREAD_SWITCH); + break; + case QOP_BRANCH: /* The branch target will be updated at QPU scheduling * time. |