[Mesa-dev] [PATCH 17/19] ac/nir: Remove deref chain support.
Bas Nieuwenhuizen
bas at basnieuwenhuizen.nl
Sun May 13 00:20:11 UTC 2018
---
src/amd/common/ac_nir_to_llvm.c | 404 ++++----------------------------
1 file changed, 50 insertions(+), 354 deletions(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 762520a93a0..0fae6b799ca 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -54,7 +54,6 @@ struct ac_nir_context {
};
static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
- const nir_deref_var *deref,
nir_deref_instr *deref_instr,
enum ac_descriptor_type desc_type,
const nir_tex_instr *instr,
@@ -1323,7 +1322,7 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
if (instr->op == nir_texop_tg4 && ctx->ac.chip_class <= VI) {
nir_deref_instr *texture_deref_instr = get_tex_texture_deref(instr);
- nir_variable *var = texture_deref_instr ? nir_deref_instr_get_variable(texture_deref_instr) : instr->texture->var;
+ nir_variable *var = nir_deref_instr_get_variable(texture_deref_instr);
enum glsl_base_type stype = glsl_get_sampler_result_type(var->type);
if (stype == GLSL_TYPE_UINT || stype == GLSL_TYPE_INT) {
return lower_gather4_integer(&ctx->ac, var, args, instr);
@@ -1629,10 +1628,10 @@ static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx,
}
static void
-get_deref_instr_offset(struct ac_nir_context *ctx, nir_deref_instr *instr,
- bool vs_in, unsigned *vertex_index_out,
- LLVMValueRef *vertex_index_ref,
- unsigned *const_out, LLVMValueRef *indir_out)
+get_deref_offset(struct ac_nir_context *ctx, nir_deref_instr *instr,
+ bool vs_in, unsigned *vertex_index_out,
+ LLVMValueRef *vertex_index_ref,
+ unsigned *const_out, LLVMValueRef *indir_out)
{
nir_variable *var = nir_deref_instr_get_variable(instr);
nir_deref_path path;
@@ -1697,124 +1696,6 @@ out:
*indir_out = offset;
}
-static void
-get_deref_offset(struct ac_nir_context *ctx, nir_deref_var *deref,
- bool vs_in, unsigned *vertex_index_out,
- LLVMValueRef *vertex_index_ref,
- unsigned *const_out, LLVMValueRef *indir_out)
-{
- unsigned const_offset = 0;
- nir_deref *tail = &deref->deref;
- LLVMValueRef offset = NULL;
-
- if (vertex_index_out != NULL || vertex_index_ref != NULL) {
- tail = tail->child;
- nir_deref_array *deref_array = nir_deref_as_array(tail);
- if (vertex_index_out)
- *vertex_index_out = deref_array->base_offset;
-
- if (vertex_index_ref) {
- LLVMValueRef vtx = LLVMConstInt(ctx->ac.i32, deref_array->base_offset, false);
- if (deref_array->deref_array_type == nir_deref_array_type_indirect) {
- vtx = LLVMBuildAdd(ctx->ac.builder, vtx, get_src(ctx, deref_array->indirect), "");
- }
- *vertex_index_ref = vtx;
- }
- }
-
- if (deref->var->data.compact) {
- assert(tail->child->deref_type == nir_deref_type_array);
- assert(glsl_type_is_scalar(glsl_without_array(deref->var->type)));
- nir_deref_array *deref_array = nir_deref_as_array(tail->child);
- /* We always lower indirect dereferences for "compact" array vars. */
- assert(deref_array->deref_array_type == nir_deref_array_type_direct);
-
- const_offset = deref_array->base_offset;
- goto out;
- }
-
- while (tail->child != NULL) {
- const struct glsl_type *parent_type = tail->type;
- tail = tail->child;
-
- if (tail->deref_type == nir_deref_type_array) {
- nir_deref_array *deref_array = nir_deref_as_array(tail);
- LLVMValueRef index, stride, local_offset;
- unsigned size = glsl_count_attribute_slots(tail->type, vs_in);
-
- const_offset += size * deref_array->base_offset;
- if (deref_array->deref_array_type == nir_deref_array_type_direct)
- continue;
-
- assert(deref_array->deref_array_type == nir_deref_array_type_indirect);
- index = get_src(ctx, deref_array->indirect);
- stride = LLVMConstInt(ctx->ac.i32, size, 0);
- local_offset = LLVMBuildMul(ctx->ac.builder, stride, index, "");
-
- if (offset)
- offset = LLVMBuildAdd(ctx->ac.builder, offset, local_offset, "");
- else
- offset = local_offset;
- } else if (tail->deref_type == nir_deref_type_struct) {
- nir_deref_struct *deref_struct = nir_deref_as_struct(tail);
-
- for (unsigned i = 0; i < deref_struct->index; i++) {
- const struct glsl_type *ft = glsl_get_struct_field(parent_type, i);
- const_offset += glsl_count_attribute_slots(ft, vs_in);
- }
- } else
- unreachable("unsupported deref type");
-
- }
-out:
- if (const_offset && offset)
- offset = LLVMBuildAdd(ctx->ac.builder, offset,
- LLVMConstInt(ctx->ac.i32, const_offset, 0),
- "");
-
- *const_out = const_offset;
- *indir_out = offset;
-}
-
-static LLVMValueRef
-build_gep_for_deref(struct ac_nir_context *ctx,
- nir_deref_var *deref)
-{
- struct hash_entry *entry = _mesa_hash_table_search(ctx->vars, deref->var);
- assert(entry->data);
- LLVMValueRef val = entry->data;
- nir_deref *tail = deref->deref.child;
- while (tail != NULL) {
- LLVMValueRef offset;
- switch (tail->deref_type) {
- case nir_deref_type_array: {
- nir_deref_array *array = nir_deref_as_array(tail);
- offset = LLVMConstInt(ctx->ac.i32, array->base_offset, 0);
- if (array->deref_array_type ==
- nir_deref_array_type_indirect) {
- offset = LLVMBuildAdd(ctx->ac.builder, offset,
- get_src(ctx,
- array->indirect),
- "");
- }
- break;
- }
- case nir_deref_type_struct: {
- nir_deref_struct *deref_struct =
- nir_deref_as_struct(tail);
- offset = LLVMConstInt(ctx->ac.i32,
- deref_struct->index, 0);
- break;
- }
- default:
- unreachable("bad deref type");
- }
- val = ac_build_gep0(&ctx->ac, val, offset);
- tail = tail->child;
- }
- return val;
-}
-
static LLVMValueRef load_tess_varyings(struct ac_nir_context *ctx,
nir_intrinsic_instr *instr,
bool load_inputs)
@@ -1824,24 +1705,16 @@ static LLVMValueRef load_tess_varyings(struct ac_nir_context *ctx,
LLVMValueRef indir_index = NULL;
unsigned const_index = 0;
- bool uses_deref_chain = instr->intrinsic == nir_intrinsic_load_var;
- nir_variable *var = uses_deref_chain ? instr->variables[0]->var :
- nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
+ nir_variable *var = nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
unsigned location = var->data.location;
unsigned driver_location = var->data.driver_location;
const bool is_patch = var->data.patch;
const bool is_compact = var->data.compact;
- if (uses_deref_chain) {
- get_deref_offset(ctx, instr->variables[0],
- false, NULL, is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
- } else {
- get_deref_instr_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
- false, NULL, is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
- }
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
+ false, NULL, is_patch ? NULL : &vertex_index,
+ &const_index, &indir_index);
LLVMTypeRef dest_type = get_def_type(ctx, &instr->dest.ssa);
@@ -1863,9 +1736,7 @@ static LLVMValueRef load_tess_varyings(struct ac_nir_context *ctx,
static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
nir_intrinsic_instr *instr)
{
- bool uses_deref_chain = instr->intrinsic == nir_intrinsic_load_var;
- nir_variable *var = uses_deref_chain ? instr->variables[0]->var :
- nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
+ nir_variable *var = nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
LLVMValueRef values[8];
int idx = var->data.driver_location;
@@ -1878,13 +1749,8 @@ static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
bool vs_in = ctx->stage == MESA_SHADER_VERTEX &&
var->data.mode == nir_var_shader_in;
- if (uses_deref_chain) {
- get_deref_offset(ctx, instr->variables[0], vs_in, NULL, NULL,
- &const_index, &indir_index);
- } else {
- get_deref_instr_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), vs_in, NULL, NULL,
- &const_index, &indir_index);
- }
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), vs_in, NULL, NULL,
+ &const_index, &indir_index);
if (instr->dest.ssa.bit_size == 64)
ve *= 2;
@@ -1900,14 +1766,8 @@ static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
LLVMValueRef indir_index;
unsigned const_index, vertex_index;
- if (uses_deref_chain) {
- get_deref_offset(ctx, instr->variables[0],
- false, &vertex_index, NULL,
- &const_index, &indir_index);
- } else {
- get_deref_instr_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
- false, &vertex_index, NULL, &const_index, &indir_index);
- }
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
+ false, &vertex_index, NULL, &const_index, &indir_index);
return ctx->abi->load_inputs(ctx->abi, var->data.location,
var->data.driver_location,
@@ -1951,9 +1811,7 @@ static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
}
break;
case nir_var_shared: {
- LLVMValueRef address = uses_deref_chain ?
- build_gep_for_deref(ctx, instr->variables[0])
- : get_src(ctx, instr->src[0]);
+ LLVMValueRef address = get_src(ctx, instr->src[0]);
LLVMValueRef val = LLVMBuildLoad(ctx->ac.builder, address, "");
return LLVMBuildBitCast(ctx->ac.builder, val,
get_def_type(ctx, &instr->dest.ssa),
@@ -1994,25 +1852,18 @@ static void
visit_store_var(struct ac_nir_context *ctx,
nir_intrinsic_instr *instr)
{
- bool uses_deref_chain = instr->intrinsic == nir_intrinsic_store_var;
- nir_variable *var = uses_deref_chain ? instr->variables[0]->var :
- nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
+ nir_variable *var = nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
LLVMValueRef temp_ptr, value;
int idx = var->data.driver_location;
unsigned comp = var->data.location_frac;
- LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[uses_deref_chain ? 0 : 1]));
+ LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[1]));
int writemask = instr->const_index[0];
LLVMValueRef indir_index;
unsigned const_index;
- if (uses_deref_chain) {
- get_deref_offset(ctx, instr->variables[0], false,
- NULL, NULL, &const_index, &indir_index);
- } else {
- get_deref_instr_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), false,
- NULL, NULL, &const_index, &indir_index);
- }
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), false,
+ NULL, NULL, &const_index, &indir_index);
if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src)) == 64) {
@@ -2034,15 +1885,9 @@ visit_store_var(struct ac_nir_context *ctx,
unsigned const_index = 0;
const bool is_patch = var->data.patch;
- if (uses_deref_chain) {
- get_deref_offset(ctx, instr->variables[0],
- false, NULL, is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
- } else {
- get_deref_instr_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
- false, NULL, is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
- }
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
+ false, NULL, is_patch ? NULL : &vertex_index,
+ &const_index, &indir_index);
ctx->abi->store_tcs_outputs(ctx->abi, var,
vertex_index, indir_index,
@@ -2106,10 +1951,8 @@ visit_store_var(struct ac_nir_context *ctx,
break;
case nir_var_shared: {
int writemask = instr->const_index[0];
- LLVMValueRef address = uses_deref_chain ?
- build_gep_for_deref(ctx, instr->variables[0])
- : get_src(ctx, instr->src[0]);
- LLVMValueRef val = get_src(ctx, instr->src[uses_deref_chain ? 0 : 1]);
+ LLVMValueRef address = get_src(ctx, instr->src[0]);
+ LLVMValueRef val = get_src(ctx, instr->src[1]);
if (util_is_power_of_two_nonzero(writemask)) {
val = LLVMBuildBitCast(
ctx->ac.builder, val,
@@ -2236,32 +2079,8 @@ static LLVMValueRef adjust_sample_index_using_fmask(struct ac_llvm_context *ctx,
return sample_index;
}
-static bool is_var_image_intrinsic(const nir_intrinsic_instr *instr)
-{
- switch(instr->intrinsic) {
- case nir_intrinsic_image_var_samples:
- case nir_intrinsic_image_var_load:
- case nir_intrinsic_image_var_store:
- case nir_intrinsic_image_var_atomic_add:
- case nir_intrinsic_image_var_atomic_min:
- case nir_intrinsic_image_var_atomic_max:
- case nir_intrinsic_image_var_atomic_and:
- case nir_intrinsic_image_var_atomic_or:
- case nir_intrinsic_image_var_atomic_xor:
- case nir_intrinsic_image_var_atomic_exchange:
- case nir_intrinsic_image_var_atomic_comp_swap:
- case nir_intrinsic_image_var_size:
- return true;
- default:
- return false;
- }
-}
-
static nir_variable *get_image_variable(const nir_intrinsic_instr *instr)
{
- if (is_var_image_intrinsic(instr))
- return instr->variables[0]->var;
-
assert(instr->src[0].is_ssa);
return nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
}
@@ -2271,26 +2090,21 @@ static LLVMValueRef get_image_descriptor(struct ac_nir_context *ctx,
enum ac_descriptor_type desc_type,
bool write)
{
- if (is_var_image_intrinsic(instr))
- return get_sampler_desc(ctx, instr->variables[0], NULL, desc_type, NULL, true, true);
-
- return get_sampler_desc(ctx, NULL, nir_instr_as_deref(instr->src[0].ssa->parent_instr), desc_type, NULL, true, true);
+ return get_sampler_desc(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), desc_type, NULL, true, true);
}
static void get_image_coords(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr,
struct ac_image_args *args)
{
- /* As the deref instrinsics have the deref as src 0, everything is shifted. */
- int src_shift = is_var_image_intrinsic(instr) ? 0 : 1;
const struct glsl_type *type = glsl_without_array(get_image_variable(instr)->type);
- LLVMValueRef src0 = get_src(ctx, instr->src[src_shift]);
+ LLVMValueRef src0 = get_src(ctx, instr->src[1]);
LLVMValueRef masks[] = {
LLVMConstInt(ctx->ac.i32, 0, false), LLVMConstInt(ctx->ac.i32, 1, false),
LLVMConstInt(ctx->ac.i32, 2, false), LLVMConstInt(ctx->ac.i32, 3, false),
};
- LLVMValueRef sample_index = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[src_shift + 1]), 0);
+ LLVMValueRef sample_index = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[2]), 0);
int count;
enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
@@ -2328,7 +2142,7 @@ static void get_image_coords(struct ac_nir_context *ctx,
get_image_descriptor(ctx, instr, AC_DESC_FMASK, false));
}
if (count == 1 && !gfx9_1d) {
- if (instr->src[src_shift].ssa->num_components)
+ if (instr->src[1].ssa->num_components)
args->coords[0] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[0], "");
else
args->coords[0] = src0;
@@ -2398,15 +2212,12 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
const enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
if (dim == GLSL_SAMPLER_DIM_BUF) {
- /* As the deref instrinsics have the deref as src 0, everything is shifted. */
- int src_shift = is_var_image_intrinsic(instr) ? 0 : 1;
-
unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
unsigned num_channels = util_last_bit(mask);
LLVMValueRef rsrc, vindex;
rsrc = get_image_buffer_descriptor(ctx, instr, false);
- vindex = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[src_shift]),
+ vindex = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
ctx->ac.i32_0, "");
/* TODO: set "glc" and "can_speculate" when OpenGL needs it. */
@@ -2446,15 +2257,12 @@ static void visit_image_store(struct ac_nir_context *ctx,
if (force_glc)
glc = ctx->ac.i1true;
- /* As the deref instrinsics have the deref as src 0, everything is shifted. */
- int src_shift = is_var_image_intrinsic(instr) ? 0 : 1;
-
if (dim == GLSL_SAMPLER_DIM_BUF) {
LLVMValueRef rsrc = get_image_buffer_descriptor(ctx, instr, true);
- params[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[src_shift + 2])); /* data */
+ params[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3])); /* data */
params[1] = rsrc;
- params[2] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[src_shift]),
+ params[2] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
ctx->ac.i32_0, ""); /* vindex */
params[3] = ctx->ac.i32_0; /* voffset */
params[4] = glc; /* glc */
@@ -2464,9 +2272,9 @@ static void visit_image_store(struct ac_nir_context *ctx,
} else {
struct ac_image_args args = {};
args.opcode = ac_image_store;
- args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[2]));
+ args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
get_image_coords(ctx, instr, &args);
- args.resource = get_image_descriptor(ctx, instr, AC_DESC_IMAGE, true);;
+ args.resource = get_image_descriptor(ctx, instr, AC_DESC_IMAGE, true);
args.dim = get_ac_image_dim(&ctx->ac, glsl_get_sampler_dim(type),
glsl_sampler_type_is_array(type));
args.dmask = 15;
@@ -2485,8 +2293,7 @@ static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx,
int param_count = 0;
const nir_variable *var = get_image_variable(instr);
- bool cmpswap = instr->intrinsic == nir_intrinsic_image_var_atomic_comp_swap ||
- instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap;
+ bool cmpswap = instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap;
const char *atomic_name;
char intrinsic_name[41];
enum ac_atomic_op atomic_subop;
@@ -2496,42 +2303,34 @@ static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx,
bool is_unsigned = glsl_get_sampler_result_type(type) == GLSL_TYPE_UINT;
switch (instr->intrinsic) {
- case nir_intrinsic_image_var_atomic_add:
case nir_intrinsic_image_deref_atomic_add:
atomic_name = "add";
atomic_subop = ac_atomic_add;
break;
- case nir_intrinsic_image_var_atomic_min:
case nir_intrinsic_image_deref_atomic_min:
atomic_name = is_unsigned ? "umin" : "smin";
atomic_subop = is_unsigned ? ac_atomic_umin : ac_atomic_smin;
break;
- case nir_intrinsic_image_var_atomic_max:
case nir_intrinsic_image_deref_atomic_max:
atomic_name = is_unsigned ? "umax" : "smax";
atomic_subop = is_unsigned ? ac_atomic_umax : ac_atomic_smax;
break;
- case nir_intrinsic_image_var_atomic_and:
case nir_intrinsic_image_deref_atomic_and:
atomic_name = "and";
atomic_subop = ac_atomic_and;
break;
- case nir_intrinsic_image_var_atomic_or:
case nir_intrinsic_image_deref_atomic_or:
atomic_name = "or";
atomic_subop = ac_atomic_or;
break;
- case nir_intrinsic_image_var_atomic_xor:
case nir_intrinsic_image_deref_atomic_xor:
atomic_name = "xor";
atomic_subop = ac_atomic_xor;
break;
- case nir_intrinsic_image_var_atomic_exchange:
case nir_intrinsic_image_deref_atomic_exchange:
atomic_name = "swap";
atomic_subop = ac_atomic_swap;
break;
- case nir_intrinsic_image_var_atomic_comp_swap:
case nir_intrinsic_image_deref_atomic_comp_swap:
atomic_name = "cmpswap";
atomic_subop = 0; /* not used */
@@ -2540,16 +2339,13 @@ static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx,
abort();
}
- /* As the deref instrinsics have the deref as src 0, everything is shifted. */
- int src_shift = is_var_image_intrinsic(instr) ? 0 : 1;
-
if (cmpswap)
- params[param_count++] = get_src(ctx, instr->src[src_shift + 3]);
- params[param_count++] = get_src(ctx, instr->src[src_shift + 2]);
+ params[param_count++] = get_src(ctx, instr->src[4]);
+ params[param_count++] = get_src(ctx, instr->src[3]);
if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_BUF) {
params[param_count++] = get_image_buffer_descriptor(ctx, instr, true);
- params[param_count++] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[src_shift]),
+ params[param_count++] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
ctx->ac.i32_0, ""); /* vindex */
params[param_count++] = ctx->ac.i32_0; /* voffset */
params[param_count++] = ctx->ac.i1false; /* slc */
@@ -2805,8 +2601,7 @@ static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx,
LLVMValueRef result;
LLVMValueRef src = get_src(ctx, instr->src[src_idx]);
- if (instr->intrinsic == nir_intrinsic_var_atomic_comp_swap ||
- instr->intrinsic == nir_intrinsic_shared_atomic_comp_swap ||
+ if (instr->intrinsic == nir_intrinsic_shared_atomic_comp_swap ||
instr->intrinsic == nir_intrinsic_deref_atomic_comp_swap) {
LLVMValueRef src1 = get_src(ctx, instr->src[src_idx + 1]);
result = LLVMBuildAtomicCmpXchg(ctx->ac.builder,
@@ -2818,47 +2613,38 @@ static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx,
} else {
LLVMAtomicRMWBinOp op;
switch (instr->intrinsic) {
- case nir_intrinsic_var_atomic_add:
case nir_intrinsic_shared_atomic_add:
case nir_intrinsic_deref_atomic_add:
op = LLVMAtomicRMWBinOpAdd;
break;
- case nir_intrinsic_var_atomic_umin:
case nir_intrinsic_shared_atomic_umin:
case nir_intrinsic_deref_atomic_umin:
op = LLVMAtomicRMWBinOpUMin;
break;
- case nir_intrinsic_var_atomic_umax:
case nir_intrinsic_shared_atomic_umax:
case nir_intrinsic_deref_atomic_umax:
op = LLVMAtomicRMWBinOpUMax;
break;
- case nir_intrinsic_var_atomic_imin:
case nir_intrinsic_shared_atomic_imin:
case nir_intrinsic_deref_atomic_imin:
op = LLVMAtomicRMWBinOpMin;
break;
- case nir_intrinsic_var_atomic_imax:
case nir_intrinsic_shared_atomic_imax:
case nir_intrinsic_deref_atomic_imax:
op = LLVMAtomicRMWBinOpMax;
break;
- case nir_intrinsic_var_atomic_and:
case nir_intrinsic_shared_atomic_and:
case nir_intrinsic_deref_atomic_and:
op = LLVMAtomicRMWBinOpAnd;
break;
- case nir_intrinsic_var_atomic_or:
case nir_intrinsic_shared_atomic_or:
case nir_intrinsic_deref_atomic_or:
op = LLVMAtomicRMWBinOpOr;
break;
- case nir_intrinsic_var_atomic_xor:
case nir_intrinsic_shared_atomic_xor:
case nir_intrinsic_deref_atomic_xor:
op = LLVMAtomicRMWBinOpXor;
break;
- case nir_intrinsic_var_atomic_exchange:
case nir_intrinsic_shared_atomic_exchange:
case nir_intrinsic_deref_atomic_exchange:
op = LLVMAtomicRMWBinOpXchg;
@@ -2897,42 +2683,26 @@ static LLVMValueRef visit_interp(struct ac_nir_context *ctx,
LLVMValueRef src_c0 = NULL;
LLVMValueRef src_c1 = NULL;
LLVMValueRef src0 = NULL;
- bool uses_deref_chain;
- switch (instr->intrinsic) {
- case nir_intrinsic_interp_var_at_centroid:
- case nir_intrinsic_interp_var_at_sample:
- case nir_intrinsic_interp_var_at_offset:
- uses_deref_chain = true;
- break;
- default:
- uses_deref_chain = false;
- break;
- }
- nir_variable *var = uses_deref_chain ? instr->variables[0]->var : nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
+ nir_variable *var = nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
int input_index = var->data.location - VARYING_SLOT_VAR0;
switch (instr->intrinsic) {
- case nir_intrinsic_interp_var_at_centroid:
case nir_intrinsic_interp_deref_at_centroid:
location = INTERP_CENTROID;
break;
- case nir_intrinsic_interp_var_at_sample:
- case nir_intrinsic_interp_var_at_offset:
case nir_intrinsic_interp_deref_at_sample:
case nir_intrinsic_interp_deref_at_offset:
location = INTERP_CENTER;
- src0 = get_src(ctx, instr->src[uses_deref_chain ? 0 : 1]);
+ src0 = get_src(ctx, instr->src[11]);
break;
default:
break;
}
- if (instr->intrinsic == nir_intrinsic_interp_var_at_offset ||
- instr->intrinsic == nir_intrinsic_interp_deref_at_offset) {
+ if (instr->intrinsic == nir_intrinsic_interp_deref_at_offset) {
src_c0 = ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, src0, ctx->ac.i32_0, ""));
src_c1 = ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, src0, ctx->ac.i32_1, ""));
- } else if (instr->intrinsic == nir_intrinsic_interp_var_at_sample ||
- instr->intrinsic == nir_intrinsic_interp_deref_at_sample) {
+ } else if (instr->intrinsic == nir_intrinsic_interp_deref_at_sample) {
LLVMValueRef sample_position;
LLVMValueRef halfval = LLVMConstReal(ctx->ac.f32, 0.5f);
@@ -3168,11 +2938,9 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
result = visit_get_buffer_size(ctx, instr);
break;
case nir_intrinsic_load_deref:
- case nir_intrinsic_load_var:
result = visit_load_var(ctx, instr);
break;
case nir_intrinsic_store_deref:
- case nir_intrinsic_store_var:
visit_store_var(ctx, instr);
break;
case nir_intrinsic_load_shared:
@@ -3181,26 +2949,15 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
case nir_intrinsic_store_shared:
visit_store_shared(ctx, instr);
break;
- case nir_intrinsic_image_var_samples:
case nir_intrinsic_image_deref_samples:
result = visit_image_samples(ctx, instr);
break;
- case nir_intrinsic_image_var_load:
case nir_intrinsic_image_deref_load:
result = visit_image_load(ctx, instr);
break;
- case nir_intrinsic_image_var_store:
case nir_intrinsic_image_deref_store:
visit_image_store(ctx, instr);
break;
- case nir_intrinsic_image_var_atomic_add:
- case nir_intrinsic_image_var_atomic_min:
- case nir_intrinsic_image_var_atomic_max:
- case nir_intrinsic_image_var_atomic_and:
- case nir_intrinsic_image_var_atomic_or:
- case nir_intrinsic_image_var_atomic_xor:
- case nir_intrinsic_image_var_atomic_exchange:
- case nir_intrinsic_image_var_atomic_comp_swap:
case nir_intrinsic_image_deref_atomic_add:
case nir_intrinsic_image_deref_atomic_min:
case nir_intrinsic_image_deref_atomic_max:
@@ -3211,7 +2968,6 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
case nir_intrinsic_image_deref_atomic_comp_swap:
result = visit_image_atomic(ctx, instr);
break;
- case nir_intrinsic_image_var_size:
case nir_intrinsic_image_deref_size:
result = visit_image_size(ctx, instr);
break;
@@ -3247,20 +3003,6 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
result = visit_var_atomic(ctx, instr, ptr, 1);
break;
}
- case nir_intrinsic_var_atomic_add:
- case nir_intrinsic_var_atomic_imin:
- case nir_intrinsic_var_atomic_umin:
- case nir_intrinsic_var_atomic_imax:
- case nir_intrinsic_var_atomic_umax:
- case nir_intrinsic_var_atomic_and:
- case nir_intrinsic_var_atomic_or:
- case nir_intrinsic_var_atomic_xor:
- case nir_intrinsic_var_atomic_exchange:
- case nir_intrinsic_var_atomic_comp_swap: {
- LLVMValueRef ptr = build_gep_for_deref(ctx, instr->variables[0]);
- result = visit_var_atomic(ctx, instr, ptr, 0);
- break;
- }
case nir_intrinsic_deref_atomic_add:
case nir_intrinsic_deref_atomic_imin:
case nir_intrinsic_deref_atomic_umin:
@@ -3275,9 +3017,6 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
result = visit_var_atomic(ctx, instr, ptr, 1);
break;
}
- case nir_intrinsic_interp_var_at_centroid:
- case nir_intrinsic_interp_var_at_sample:
- case nir_intrinsic_interp_var_at_offset:
case nir_intrinsic_interp_deref_at_centroid:
case nir_intrinsic_interp_deref_at_sample:
case nir_intrinsic_interp_deref_at_offset:
@@ -3358,7 +3097,6 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
}
static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
- const nir_deref_var *deref,
nir_deref_instr *deref_instr,
enum ac_descriptor_type desc_type,
const nir_tex_instr *tex_instr,
@@ -3370,11 +3108,11 @@ static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
unsigned base_index;
bool bindless = false;
- if (!deref && !deref_instr) {
+ if (!deref_instr) {
assert(tex_instr && !image);
descriptor_set = 0;
base_index = tex_instr->sampler_index;
- } else if(deref_instr) {
+ } else {
while(deref_instr->deref_type != nir_deref_type_var) {
unsigned array_size = glsl_get_aoa_size(deref_instr->type);
if (!array_size)
@@ -3400,41 +3138,6 @@ static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
}
descriptor_set = deref_instr->var->data.descriptor_set;
base_index = deref_instr->var->data.binding;
- } else {
- const nir_deref *tail = &deref->deref;
- while (tail->child) {
- const nir_deref_array *child = nir_deref_as_array(tail->child);
- unsigned array_size = glsl_get_aoa_size(tail->child->type);
-
- if (!array_size)
- array_size = 1;
-
- assert(child->deref_array_type != nir_deref_array_type_wildcard);
-
- if (child->deref_array_type == nir_deref_array_type_indirect) {
- LLVMValueRef indirect = get_src(ctx, child->indirect);
-
- indirect = LLVMBuildMul(ctx->ac.builder, indirect,
- LLVMConstInt(ctx->ac.i32, array_size, false), "");
-
- if (!index)
- index = indirect;
- else
- index = LLVMBuildAdd(ctx->ac.builder, index, indirect, "");
- }
-
- constant_index += child->base_offset * array_size;
-
- tail = &child->deref;
- }
- descriptor_set = deref->var->data.descriptor_set;
-
- if (deref->var->data.bindless) {
- bindless = deref->var->data.bindless;
- base_index = deref->var->data.driver_location;
- } else {
- base_index = deref->var->data.binding;
- }
}
return ctx->abi->load_sampler_desc(ctx->abi,
@@ -3480,8 +3183,6 @@ static void tex_fetch_ptrs(struct ac_nir_context *ctx,
{
nir_deref_instr *texture_deref_instr = NULL;
nir_deref_instr *sampler_deref_instr = NULL;
- nir_deref_var *texture_deref_var = NULL;
- nir_deref_var *sampler_deref_var = NULL;
for (unsigned i = 0; i < instr->num_srcs; i++) {
switch (instr->src[i].src_type) {
@@ -3499,23 +3200,18 @@ static void tex_fetch_ptrs(struct ac_nir_context *ctx,
if (!sampler_deref_instr)
sampler_deref_instr = texture_deref_instr;
- if (!texture_deref_instr) {
- texture_deref_var = instr->texture;
- sampler_deref_var = instr->sampler ? instr->sampler : instr->texture;
- }
-
if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF)
- *res_ptr = get_sampler_desc(ctx, texture_deref_var, texture_deref_instr, AC_DESC_BUFFER, instr, false, false);
+ *res_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_BUFFER, instr, false, false);
else
- *res_ptr = get_sampler_desc(ctx, texture_deref_var, texture_deref_instr, AC_DESC_IMAGE, instr, false, false);
+ *res_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_IMAGE, instr, false, false);
if (samp_ptr) {
- *samp_ptr = get_sampler_desc(ctx, sampler_deref_var, sampler_deref_instr, AC_DESC_SAMPLER, instr, false, false);
+ *samp_ptr = get_sampler_desc(ctx, sampler_deref_instr, AC_DESC_SAMPLER, instr, false, false);
if (instr->sampler_dim < GLSL_SAMPLER_DIM_RECT)
*samp_ptr = sici_fix_sampler_aniso(ctx, *res_ptr, *samp_ptr);
}
- if (fmask_ptr && !instr->sampler && (instr->op == nir_texop_txf_ms ||
- instr->op == nir_texop_samples_identical))
- *fmask_ptr = get_sampler_desc(ctx, instr->texture, texture_deref_instr, AC_DESC_FMASK, instr, false, false);
+ if (fmask_ptr && (instr->op == nir_texop_txf_ms ||
+ instr->op == nir_texop_samples_identical))
+ *fmask_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_FMASK, instr, false, false);
}
static LLVMValueRef apply_round_slice(struct ac_llvm_context *ctx,
--
2.17.0
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