[Mesa-dev] [PATCH 4/5] r600: add support for emitting RAT instructions to the assembler.
Dave Airlie
airlied at gmail.com
Tue Oct 31 23:32:52 UTC 2017
From: Dave Airlie <airlied at redhat.com>
This adds support for emitting RAT instructions to the assembler.
RAT instructions are used to implement image accessors.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/gallium/drivers/r600/eg_asm.c | 19 +++++++++++++++++++
src/gallium/drivers/r600/r600_asm.c | 9 +++++++++
src/gallium/drivers/r600/r600_asm.h | 7 +++++++
3 files changed, 35 insertions(+)
diff --git a/src/gallium/drivers/r600/eg_asm.c b/src/gallium/drivers/r600/eg_asm.c
index be92751..ce7e861 100644
--- a/src/gallium/drivers/r600/eg_asm.c
+++ b/src/gallium/drivers/r600/eg_asm.c
@@ -95,6 +95,25 @@ int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf)
if (bc->chip_class == EVERGREEN) /* no EOP on cayman */
bc->bytecode[id] |= S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->end_of_program);
id++;
+ } else if (cfop->flags & CF_RAT) {
+ bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RAT_RAT_ID(cf->rat.id) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_RAT_RAT_INST(cf->rat.inst) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_RAT_RAT_INDEX_MODE(cf->rat.index_mode) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type) |
+ S_SQ_CF_ALLOC_EXPORT_WORD0_INDEX_GPR(cf->output.index_gpr);
+ bc->bytecode[id] = S_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(cf->output.burst_count - 1) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->barrier) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_MARK(cf->mark) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_VALID_PIXEL_MODE(cf->vpm) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(opcode) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_BUF_COMP_MASK(cf->output.comp_mask) |
+ S_SQ_CF_ALLOC_EXPORT_WORD1_BUF_ARRAY_SIZE(cf->output.array_size);
+ if (bc->chip_class == EVERGREEN) /* no EOP on cayman */
+ bc->bytecode[id] |= S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->end_of_program);
+ id++;
+
} else if (cfop->flags & CF_MEM) {
/* MEM_STREAM, MEM_RING instructions */
bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index a2c2ea7..96bc337 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -2140,6 +2140,15 @@ void r600_bytecode_disasm(struct r600_bytecode *bc)
bc->bytecode[id], bc->bytecode[id + 1], cfop->name);
o += print_indent(o, 43);
o += fprintf(stderr, "%s ", exp_type[cf->output.type]);
+
+ if (r600_isa_cf(cf->op)->flags & CF_RAT) {
+ o += fprintf(stderr, "RAT%d", cf->rat.id);
+ if (cf->rat.index_mode) {
+ o += fprintf(stderr, "[IDX%d]", cf->rat.index_mode - 1);
+ }
+ o += fprintf(stderr, " INST: %d ", cf->rat.inst);
+ }
+
if (cf->output.burst_count > 1) {
o += fprintf(stderr, "%d-%d ", cf->output.array_base,
cf->output.array_base + cf->output.burst_count - 1);
diff --git a/src/gallium/drivers/r600/r600_asm.h b/src/gallium/drivers/r600/r600_asm.h
index 7a11d45..d7cb64f 100644
--- a/src/gallium/drivers/r600/r600_asm.h
+++ b/src/gallium/drivers/r600/r600_asm.h
@@ -157,6 +157,12 @@ struct r600_bytecode_output {
unsigned index_gpr;
};
+struct r600_bytecode_rat {
+ unsigned id;
+ unsigned inst;
+ unsigned index_mode;
+};
+
struct r600_bytecode_kcache {
unsigned bank;
unsigned mode;
@@ -187,6 +193,7 @@ struct r600_bytecode_cf {
struct list_head vtx;
struct list_head gds;
struct r600_bytecode_output output;
+ struct r600_bytecode_rat rat;
struct r600_bytecode_alu *curr_bs_head;
struct r600_bytecode_alu *prev_bs_head;
struct r600_bytecode_alu *prev2_bs_head;
--
2.9.5
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