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radv: Use new image load/store intrinsic signatures v2 

These were changed in LLVM r284024.

v2:
  - Only use float types for vdata of llvm.amdgcn.image.store.  LLVM doesn't
    support integer types for this intrinsic.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Tom Stellard 2016-10-13 17:25:58 +00:00 committed by Dave Airlie
parent 30e63fb0e4
commit 5c66d46d6a
1 changed files with 108 additions and 25 deletions
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133
src/amd/common/ac_nir_to_llvm.c
View File

@ -2296,13 +2296,73 @@ static LLVMValueRef get_image_coords(struct nir_to_llvm_context *ctx,
return res;
}
static void build_type_name_for_intr(
LLVMTypeRef type,
char *buf, unsigned bufsize)
{
LLVMTypeRef elem_type = type;
assert(bufsize >= 8);
if (LLVMGetTypeKind(type) == LLVMVectorTypeKind) {
int ret = snprintf(buf, bufsize, "v%u",
LLVMGetVectorSize(type));
if (ret < 0) {
char *type_name = LLVMPrintTypeToString(type);
fprintf(stderr, "Error building type name for: %s\n",
type_name);
return;
}
elem_type = LLVMGetElementType(type);
buf += ret;
bufsize -= ret;
}
switch (LLVMGetTypeKind(elem_type)) {
default: break;
case LLVMIntegerTypeKind:
snprintf(buf, bufsize, "i%d", LLVMGetIntTypeWidth(elem_type));
break;
case LLVMFloatTypeKind:
snprintf(buf, bufsize, "f32");
break;
case LLVMDoubleTypeKind:
snprintf(buf, bufsize, "f64");
break;
}
}
static void get_image_intr_name(const char *base_name,
LLVMTypeRef data_type,
LLVMTypeRef coords_type,
LLVMTypeRef rsrc_type,
char *out_name, unsigned out_len)
{
char coords_type_name[8];
build_type_name_for_intr(coords_type, coords_type_name,
sizeof(coords_type_name));
if (HAVE_LLVM <= 0x0309) {
snprintf(out_name, out_len, "%s.%s", base_name, coords_type_name);
} else {
char data_type_name[8];
char rsrc_type_name[8];
build_type_name_for_intr(data_type, data_type_name,
sizeof(data_type_name));
build_type_name_for_intr(rsrc_type, rsrc_type_name,
sizeof(rsrc_type_name));
snprintf(out_name, out_len, "%s.%s.%s.%s", base_name,
data_type_name, coords_type_name, rsrc_type_name);
}
}
static LLVMValueRef visit_image_load(struct nir_to_llvm_context *ctx,
nir_intrinsic_instr *instr)
{
LLVMValueRef params[7];
LLVMValueRef res;
char intrinsic_name[32];
char coords_type[8];
char intrinsic_name[64];
const nir_variable *var = instr->variables[0]->var;
const struct glsl_type *type = var->type;
if(instr->variables[0]->deref.child)
@ -2322,23 +2382,35 @@ static LLVMValueRef visit_image_load(struct nir_to_llvm_context *ctx,
res = trim_vector(ctx, res, instr->dest.ssa.num_components);
res = to_integer(ctx, res);
} else {
bool da = glsl_sampler_type_is_array(type) ||
glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE;
bool is_da = glsl_sampler_type_is_array(type) ||
glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE;
bool add_frag_pos = glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_SUBPASS;
LLVMValueRef da = is_da ? ctx->i32one : ctx->i32zero;
LLVMValueRef glc = LLVMConstInt(ctx->i1, 0, false);
LLVMValueRef slc = LLVMConstInt(ctx->i1, 0, false);
params[0] = get_image_coords(ctx, instr, add_frag_pos);
params[1] = get_sampler_desc(ctx, instr->variables[0], DESC_IMAGE);
params[2] = LLVMConstInt(ctx->i32, 15, false); /* dmask */
params[3] = LLVMConstInt(ctx->i1, 0, false); /* r128 */
params[4] = da ? ctx->i32one : ctx->i32zero; /* da */
params[5] = LLVMConstInt(ctx->i1, 0, false); /* glc */
params[6] = LLVMConstInt(ctx->i1, 0, false); /* slc */
if (HAVE_LLVM <= 0x0309) {
params[3] = LLVMConstInt(ctx->i1, 0, false); /* r128 */
params[4] = da;
params[5] = glc;
params[6] = slc;
} else {
LLVMValueRef lwe = LLVMConstInt(ctx->i1, 0, false);
params[3] = glc;
params[4] = slc;
params[5] = lwe;
params[6] = da;
}
build_int_type_name(LLVMTypeOf(params[0]),
coords_type, sizeof(coords_type));
get_image_intr_name("llvm.amdgcn.image.load",
ctx->v4f32, /* vdata */
LLVMTypeOf(params[0]), /* coords */
LLVMTypeOf(params[1]), /* rsrc */
intrinsic_name, sizeof(intrinsic_name));
snprintf(intrinsic_name, sizeof(intrinsic_name),
"llvm.amdgcn.image.load.%s", coords_type);
res = emit_llvm_intrinsic(ctx, intrinsic_name, ctx->v4f32,
params, 7, LLVMReadOnlyAttribute);
}
@ -2349,8 +2421,7 @@ static void visit_image_store(struct nir_to_llvm_context *ctx,
nir_intrinsic_instr *instr)
{
LLVMValueRef params[8];
char intrinsic_name[32];
char coords_type[8];
char intrinsic_name[64];
const nir_variable *var = instr->variables[0]->var;
LLVMValueRef i1false = LLVMConstInt(ctx->i1, 0, 0);
LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0);
@ -2370,23 +2441,35 @@ static void visit_image_store(struct nir_to_llvm_context *ctx,
emit_llvm_intrinsic(ctx, "llvm.amdgcn.buffer.store.format.v4f32", ctx->voidt,
params, 6, 0);
} else {
bool da = glsl_sampler_type_is_array(type) ||
glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE;
bool is_da = glsl_sampler_type_is_array(type) ||
glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE;
LLVMValueRef da = is_da ? i1true : i1false;
LLVMValueRef glc = i1false;
LLVMValueRef slc = i1false;
params[0] = get_src(ctx, instr->src[2]);
params[0] = to_float(ctx, get_src(ctx, instr->src[2]));
params[1] = get_image_coords(ctx, instr, false); /* coords */
params[2] = get_sampler_desc(ctx, instr->variables[0], DESC_IMAGE);
params[3] = LLVMConstInt(ctx->i32, 15, false); /* dmask */
params[4] = i1false; /* r128 */
params[5] = da ? i1true : i1false; /* da */
params[6] = i1false; /* glc */
params[7] = i1false; /* slc */
if (HAVE_LLVM <= 0x0309) {
params[4] = i1false; /* r128 */
params[5] = da;
params[6] = glc;
params[7] = slc;
} else {
LLVMValueRef lwe = i1false;
params[4] = glc;
params[5] = slc;
params[6] = lwe;
params[7] = da;
}
build_int_type_name(LLVMTypeOf(params[1]),
coords_type, sizeof(coords_type));
get_image_intr_name("llvm.amdgcn.image.store",
LLVMTypeOf(params[0]), /* vdata */
LLVMTypeOf(params[1]), /* coords */
LLVMTypeOf(params[2]), /* rsrc */
intrinsic_name, sizeof(intrinsic_name));
snprintf(intrinsic_name, sizeof(intrinsic_name),
"llvm.amdgcn.image.store.%s", coords_type);
emit_llvm_intrinsic(ctx, intrinsic_name, ctx->voidt,
params, 8, 0);
}