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r600: add support for vertex fetches via texture cache

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On evergreen we can route vertex fetches via the texture cache,
and this is required for some images support. So add support
to the asm builder for it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2016-03-31 15:49:55 +10:00
parent b050b91e33
commit ac8fb9800a
2 changed files with 20 additions and 2 deletions
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20
src/gallium/drivers/r600/r600_asm.c
View File

@@ -1336,7 +1336,8 @@ static inline boolean last_inst_was_not_vtx_fetch(struct r600_bytecode *bc)
bc->cf_last->op != CF_OP_TEX));
}
int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx)
static int r600_bytecode_add_vtx_internal(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx,
bool use_tc)
{
struct r600_bytecode_vtx *nvtx = r600_bytecode_vtx();
int r;
@@ -1363,9 +1364,14 @@ int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_v
switch (bc->chip_class) {
case R600:
case R700:
case EVERGREEN:
bc->cf_last->op = CF_OP_VTX;
break;
case EVERGREEN:
if (use_tc)
bc->cf_last->op = CF_OP_TEX;
else
bc->cf_last->op = CF_OP_VTX;
break;
case CAYMAN:
bc->cf_last->op = CF_OP_TEX;
break;
@@ -1388,6 +1394,16 @@ int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_v
return 0;
}
int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx)
{
return r600_bytecode_add_vtx_internal(bc, vtx, false);
}
int r600_bytecode_add_vtx_tc(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx)
{
return r600_bytecode_add_vtx_internal(bc, vtx, true);
}
int r600_bytecode_add_tex(struct r600_bytecode *bc, const struct r600_bytecode_tex *tex)
{
struct r600_bytecode_tex *ntex = r600_bytecode_tex();

2
src/gallium/drivers/r600/r600_asm.h
View File

@@ -268,6 +268,8 @@ int r600_bytecode_add_alu(struct r600_bytecode *bc,
const struct r600_bytecode_alu *alu);
int r600_bytecode_add_vtx(struct r600_bytecode *bc,
const struct r600_bytecode_vtx *vtx);
int r600_bytecode_add_vtx_tc(struct r600_bytecode *bc,
const struct r600_bytecode_vtx *vtx);
int r600_bytecode_add_tex(struct r600_bytecode *bc,
const struct r600_bytecode_tex *tex);
int r600_bytecode_add_gds(struct r600_bytecode *bc,