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amd/common: pass address components individually to ac_build_image_intrinsic

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This is in preparation for the new image intrinsics.

Acked-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle
2018-03-23 11:20:24 +01:00
parent f931583828
commit 625dcbbc45
5 changed files with 295 additions and 409 deletions
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101
src/amd/common/ac_llvm_build.c
View File

@@ -37,6 +37,7 @@
#include "util/bitscan.h"
#include "util/macros.h"
#include "util/u_atomic.h"
#include "util/u_math.h"
#include "sid.h"
#include "shader_enums.h"
@@ -1445,14 +1446,61 @@ void ac_build_export_null(struct ac_llvm_context *ctx)
ac_build_export(ctx, &args);
}
static unsigned ac_num_coords(enum ac_image_dim dim)
{
switch (dim) {
case ac_image_1d:
return 1;
case ac_image_2d:
case ac_image_1darray:
return 2;
case ac_image_3d:
case ac_image_cube:
case ac_image_2darray:
case ac_image_2dmsaa:
return 3;
case ac_image_2darraymsaa:
return 4;
default:
unreachable("ac_num_coords: bad dim");
}
}
static unsigned ac_num_derivs(enum ac_image_dim dim)
{
switch (dim) {
case ac_image_1d:
case ac_image_1darray:
return 2;
case ac_image_2d:
case ac_image_2darray:
case ac_image_cube:
return 4;
case ac_image_3d:
return 6;
case ac_image_2dmsaa:
case ac_image_2darraymsaa:
default:
unreachable("derivatives not supported");
}
}
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
struct ac_image_args *a)
{
LLVMValueRef args[11];
unsigned num_args = 0;
LLVMValueRef args[16];
const char *name = NULL;
char intr_name[128], type[64];
assert(!a->lod || a->lod == ctx->i32_0 || a->lod == ctx->f32_0 ||
!a->level_zero);
assert((a->opcode != ac_image_get_resinfo && a->opcode != ac_image_load_mip) ||
a->lod);
assert((a->bias ? 1 : 0) +
(a->lod ? 1 : 0) +
(a->level_zero ? 1 : 0) +
(a->derivs[0] ? 1 : 0) <= 1);
bool sample = a->opcode == ac_image_sample ||
a->opcode == ac_image_gather4 ||
a->opcode == ac_image_get_lod;
@@ -1463,10 +1511,38 @@ LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
if (a->opcode == ac_image_get_lod)
da = false;
unsigned num_coords =
a->opcode != ac_image_get_resinfo ? ac_num_coords(a->dim) : 0;
LLVMValueRef addr;
unsigned num_addr = 0;
if (a->offset)
args[num_addr++] = ac_to_integer(ctx, a->offset);
if (a->bias)
args[num_addr++] = ac_to_integer(ctx, a->bias);
if (a->compare)
args[num_addr++] = ac_to_integer(ctx, a->compare);
if (a->derivs[0]) {
unsigned num_derivs = ac_num_derivs(a->dim);
for (unsigned i = 0; i < num_derivs; ++i)
args[num_addr++] = ac_to_integer(ctx, a->derivs[i]);
}
for (unsigned i = 0; i < num_coords; ++i)
args[num_addr++] = ac_to_integer(ctx, a->coords[i]);
if (a->lod)
args[num_addr++] = ac_to_integer(ctx, a->lod);
unsigned pad_goal = util_next_power_of_two(num_addr);
while (num_addr < pad_goal)
args[num_addr++] = LLVMGetUndef(ctx->i32);
addr = ac_build_gather_values(ctx, args, num_addr);
unsigned num_args = 0;
if (sample)
args[num_args++] = ac_to_float(ctx, a->addr);
args[num_args++] = ac_to_float(ctx, addr);
else
args[num_args++] = a->addr;
args[num_args++] = ac_to_integer(ctx, addr);
args[num_args++] = a->resource;
if (sample)
@@ -1505,12 +1581,15 @@ LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
ac_build_type_name_for_intr(LLVMTypeOf(args[0]), type,
sizeof(type));
bool lod_suffix =
a->lod && (a->opcode == ac_image_sample || a->opcode == ac_image_gather4);
snprintf(intr_name, sizeof(intr_name), "%s%s%s%s.v4f32.%s.v8i32",
name,
a->compare ? ".c" : "",
a->bias ? ".b" :
a->lod ? ".l" :
a->deriv ? ".d" :
lod_suffix ? ".l" :
a->derivs[0] ? ".d" :
a->level_zero ? ".lz" : "",
a->offset ? ".o" : "",
type);
@@ -2481,12 +2560,10 @@ void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask,
fmask_load.dmask = 0xf;
fmask_load.dim = is_array_tex ? ac_image_2darray : ac_image_2d;
LLVMValueRef fmask_addr[4];
memcpy(fmask_addr, addr, sizeof(fmask_addr[0]) * 3);
fmask_addr[3] = LLVMGetUndef(ac->i32);
fmask_load.addr = ac_build_gather_values(ac, fmask_addr,
is_array_tex ? 4 : 2);
fmask_load.coords[0] = addr[0];
fmask_load.coords[1] = addr[1];
if (is_array_tex)
fmask_load.coords[2] = addr[2];
LLVMValueRef fmask_value = ac_build_image_opcode(ac, &fmask_load);
fmask_value = LLVMBuildExtractElement(ac->builder, fmask_value,

14
src/amd/common/ac_llvm_build.h
View File

@@ -331,18 +331,18 @@ enum ac_image_dim {
struct ac_image_args {
enum ac_image_opcode opcode;
enum ac_image_dim dim;
bool level_zero;
bool bias;
bool lod;
bool deriv;
bool compare;
bool offset;
LLVMValueRef resource;
LLVMValueRef sampler;
LLVMValueRef addr;
LLVMValueRef offset;
LLVMValueRef bias;
LLVMValueRef compare;
LLVMValueRef derivs[6];
LLVMValueRef coords[4];
LLVMValueRef lod; // also used by ac_image_get_resinfo
unsigned dmask;
bool unorm;
bool level_zero;
};
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,

365
src/amd/common/ac_nir_to_llvm.c
View File

@@ -1152,12 +1152,9 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
const nir_tex_instr *instr)
{
enum glsl_base_type stype = glsl_get_sampler_result_type(instr->texture->var->type);
LLVMValueRef coord = args->addr;
LLVMValueRef half_texel[2];
LLVMValueRef compare_cube_wa = NULL;
LLVMValueRef result;
int c;
unsigned coord_vgpr_index = (unsigned)args->offset + (unsigned)args->compare;
//TODO Rect
{
@@ -1166,11 +1163,11 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
txq_args.dim = get_ac_sampler_dim(ctx, instr->sampler_dim, instr->is_array);
txq_args.opcode = ac_image_get_resinfo;
txq_args.dmask = 0xf;
txq_args.addr = ctx->i32_0;
txq_args.lod = ctx->i32_0;
txq_args.resource = args->resource;
LLVMValueRef size = ac_build_image_opcode(ctx, &txq_args);
for (c = 0; c < 2; c++) {
for (unsigned c = 0; c < 2; c++) {
half_texel[c] = LLVMBuildExtractElement(ctx->builder, size,
LLVMConstInt(ctx->i32, c, false), "");
half_texel[c] = LLVMBuildUIToFP(ctx->builder, half_texel[c], ctx->f32, "");
@@ -1180,19 +1177,14 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
}
}
LLVMValueRef orig_coords = args->addr;
LLVMValueRef orig_coords[2] = { args->coords[0], args->coords[1] };
for (c = 0; c < 2; c++) {
for (unsigned c = 0; c < 2; c++) {
LLVMValueRef tmp;
LLVMValueRef index = LLVMConstInt(ctx->i32, coord_vgpr_index + c, 0);
tmp = LLVMBuildExtractElement(ctx->builder, coord, index, "");
tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->f32, "");
tmp = LLVMBuildFAdd(ctx->builder, tmp, half_texel[c], "");
tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->i32, "");
coord = LLVMBuildInsertElement(ctx->builder, coord, tmp, index, "");
tmp = LLVMBuildBitCast(ctx->builder, args->coords[c], ctx->f32, "");
args->coords[c] = LLVMBuildFAdd(ctx->builder, tmp, half_texel[c], "");
}
/*
* Apparantly cube has issue with integer types that the workaround doesn't solve,
* so this tests if the format is 8_8_8_8 and an integer type do an alternate
@@ -1236,16 +1228,18 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
args->resource = LLVMBuildInsertElement(ctx->builder, args->resource, tmp2, ctx->i32_1, "");
/* don't modify the coordinates for this case */
coord = LLVMBuildSelect(ctx->builder, compare_cube_wa, orig_coords, coord, "");
for (unsigned c = 0; c < 2; ++c)
args->coords[c] = LLVMBuildSelect(
ctx->builder, compare_cube_wa,
orig_coords[c], args->coords[c], "");
}
args->addr = coord;
result = ac_build_image_opcode(ctx, args);
if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
LLVMValueRef tmp, tmp2;
/* if the cube workaround is in place, f2i the result. */
for (c = 0; c < 4; c++) {
for (unsigned c = 0; c < 4; c++) {
tmp = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, c, false), "");
if (stype == GLSL_TYPE_UINT)
tmp2 = LLVMBuildFPToUI(ctx->builder, tmp, ctx->i32, "");
@@ -1263,7 +1257,6 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
const nir_tex_instr *instr,
bool lod_is_zero,
struct ac_image_args *args)
{
if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
@@ -1272,14 +1265,14 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
if (ctx->abi->gfx9_stride_size_workaround) {
return ac_build_buffer_load_format_gfx9_safe(&ctx->ac,
args->resource,
args->addr,
args->coords[0],
ctx->ac.i32_0,
util_last_bit(mask),
false, true);
} else {
return ac_build_buffer_load_format(&ctx->ac,
args->resource,
args->addr,
args->coords[0],
ctx->ac.i32_0,
util_last_bit(mask),
false, true);
@@ -1287,37 +1280,28 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
}
args->opcode = ac_image_sample;
args->compare = instr->is_shadow;
switch (instr->op) {
case nir_texop_txf:
case nir_texop_txf_ms:
case nir_texop_samples_identical:
args->opcode = lod_is_zero ||
args->opcode = args->level_zero ||
instr->sampler_dim == GLSL_SAMPLER_DIM_MS ?
ac_image_load : ac_image_load_mip;
args->compare = false;
args->offset = false;
break;
case nir_texop_txb:
args->bias = true;
break;
case nir_texop_txl:
if (lod_is_zero)
args->level_zero = true;
else
args->lod = true;
args->level_zero = false;
break;
case nir_texop_txs:
case nir_texop_query_levels:
args->opcode = ac_image_get_resinfo;
if (!args->lod)
args->lod = ctx->ac.i32_0;
args->level_zero = false;
break;
case nir_texop_tex:
if (ctx->stage != MESA_SHADER_FRAGMENT)
if (ctx->stage != MESA_SHADER_FRAGMENT) {
assert(!args->lod);
args->level_zero = true;
break;
case nir_texop_txd:
args->deriv = true;
}
break;
case nir_texop_tg4:
args->opcode = ac_image_gather4;
@@ -1325,8 +1309,6 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
break;
case nir_texop_lod:
args->opcode = ac_image_get_lod;
args->compare = false;
args->offset = false;
break;
default:
break;
@@ -2081,23 +2063,18 @@ static LLVMValueRef adjust_sample_index_using_fmask(struct ac_llvm_context *ctx,
LLVMValueRef sample_index,
LLVMValueRef fmask_desc_ptr)
{
LLVMValueRef fmask_load_address[4];
struct ac_image_args args = {0};
LLVMValueRef res;
fmask_load_address[0] = coord_x;
fmask_load_address[1] = coord_y;
if (coord_z) {
fmask_load_address[2] = coord_z;
fmask_load_address[3] = LLVMGetUndef(ctx->i32);
}
struct ac_image_args args = {0};
args.coords[0] = coord_x;
args.coords[1] = coord_y;
if (coord_z)
args.coords[2] = coord_z;
args.opcode = ac_image_load;
args.dim = coord_z ? ac_image_2darray : ac_image_2d;
args.resource = fmask_desc_ptr;
args.dmask = 0xf;
args.addr = ac_build_gather_values(ctx, fmask_load_address, coord_z ? 4 : 2);
res = ac_build_image_opcode(ctx, &args);
@@ -2447,7 +2424,7 @@ static LLVMValueRef visit_image_samples(struct ac_nir_context *ctx,
args.resource = get_sampler_desc(ctx, instr->variables[0],
AC_DESC_IMAGE, NULL, true, false);
args.opcode = ac_image_get_resinfo;
args.addr = ctx->ac.i32_0;
args.lod = ctx->ac.i32_0;
return ac_build_image_opcode(&ctx->ac, &args);
}
@@ -2471,7 +2448,7 @@ static LLVMValueRef visit_image_size(struct ac_nir_context *ctx,
args.dmask = 0xf;
args.resource = get_sampler_desc(ctx, instr->variables[0], AC_DESC_IMAGE, NULL, true, false);
args.opcode = ac_image_get_resinfo;
args.addr = ctx->ac.i32_0;
args.lod = ctx->ac.i32_0;
res = ac_build_image_opcode(&ctx->ac, &args);
@@ -3217,38 +3194,6 @@ static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
desc_type, image, write, bindless);
}
static void set_tex_fetch_args(struct ac_llvm_context *ctx,
struct ac_image_args *args,
const nir_tex_instr *instr,
nir_texop op,
LLVMValueRef res_ptr, LLVMValueRef samp_ptr,
LLVMValueRef *param, unsigned count,
unsigned dmask)
{
unsigned is_rect = 0;
/* Pad to power of two vector */
while (count < util_next_power_of_two(count))
param[count++] = LLVMGetUndef(ctx->i32);
if (count > 1)
args->addr = ac_build_gather_values(ctx, param, count);
else
args->addr = param[0];
args->resource = res_ptr;
args->sampler = samp_ptr;
if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF && op == nir_texop_txf) {
args->addr = param[0];
return;
}
args->dmask = dmask;
args->unorm = is_rect;
args->dim = get_ac_sampler_dim(&ctx->ac, instr->sampler_dim, instr->is_array);
}
/* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL.
*
* SI-CI:
@@ -3313,43 +3258,41 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
{
LLVMValueRef result = NULL;
struct ac_image_args args = { 0 };
unsigned dmask = 0xf;
LLVMValueRef address[16];
LLVMValueRef coords[5];
LLVMValueRef coord = NULL, lod = NULL, comparator = NULL;
LLVMValueRef bias = NULL, offsets = NULL;
LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL, sample_index = NULL;
LLVMValueRef fmask_ptr = NULL, sample_index = NULL;
LLVMValueRef ddx = NULL, ddy = NULL;
LLVMValueRef derivs[6];
unsigned chan, count = 0;
unsigned const_src = 0, num_deriv_comp = 0;
bool lod_is_zero = false;
unsigned offset_src = 0;
tex_fetch_ptrs(ctx, instr, &res_ptr, &samp_ptr, &fmask_ptr);
tex_fetch_ptrs(ctx, instr, &args.resource, &args.sampler, &fmask_ptr);
for (unsigned i = 0; i < instr->num_srcs; i++) {
switch (instr->src[i].src_type) {
case nir_tex_src_coord:
coord = get_src(ctx, instr->src[i].src);
case nir_tex_src_coord: {
LLVMValueRef coord = get_src(ctx, instr->src[i].src);
for (unsigned chan = 0; chan < instr->coord_components; ++chan)
args.coords[chan] = ac_llvm_extract_elem(&ctx->ac, coord, chan);
break;
}
case nir_tex_src_projector:
break;
case nir_tex_src_comparator:
comparator = get_src(ctx, instr->src[i].src);
if (instr->is_shadow)
args.compare = get_src(ctx, instr->src[i].src);
break;
case nir_tex_src_offset:
offsets = get_src(ctx, instr->src[i].src);
const_src = i;
args.offset = get_src(ctx, instr->src[i].src);
offset_src = i;
break;
case nir_tex_src_bias:
bias = get_src(ctx, instr->src[i].src);
if (instr->op == nir_texop_txb)
args.bias = get_src(ctx, instr->src[i].src);
break;
case nir_tex_src_lod: {
nir_const_value *val = nir_src_as_const_value(instr->src[i].src);
if (val && val->i32[0] == 0)
lod_is_zero = true;
lod = get_src(ctx, instr->src[i].src);
args.level_zero = true;
else
args.lod = get_src(ctx, instr->src[i].src);
break;
}
case nir_tex_src_ms_index:
@@ -3359,7 +3302,6 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
break;
case nir_tex_src_ddx:
ddx = get_src(ctx, instr->src[i].src);
num_deriv_comp = instr->src[i].src.ssa->num_components;
break;
case nir_tex_src_ddy:
ddy = get_src(ctx, instr->src[i].src);
@@ -3373,13 +3315,13 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
}
if (instr->op == nir_texop_txs && instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
result = get_buffer_size(ctx, res_ptr, true);
result = get_buffer_size(ctx, args.resource, true);
goto write_result;
}
if (instr->op == nir_texop_texture_samples) {
LLVMValueRef res, samples, is_msaa;
res = LLVMBuildBitCast(ctx->ac.builder, res_ptr, ctx->ac.v8i32, "");
res = LLVMBuildBitCast(ctx->ac.builder, args.resource, ctx->ac.v8i32, "");
samples = LLVMBuildExtractElement(ctx->ac.builder, res,
LLVMConstInt(ctx->ac.i32, 3, false), "");
is_msaa = LLVMBuildLShr(ctx->ac.builder, samples,
@@ -3401,18 +3343,14 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
goto write_result;
}
if (coord)
for (chan = 0; chan < instr->coord_components; chan++)
coords[chan] = ac_llvm_extract_elem(&ctx->ac, coord, chan);
if (offsets && instr->op != nir_texop_txf) {
if (args.offset && instr->op != nir_texop_txf) {
LLVMValueRef offset[3], pack;
for (chan = 0; chan < 3; ++chan)
for (unsigned chan = 0; chan < 3; ++chan)
offset[chan] = ctx->ac.i32_0;
args.offset = true;
for (chan = 0; chan < ac_get_llvm_num_components(offsets); chan++) {
offset[chan] = ac_llvm_extract_elem(&ctx->ac, offsets, chan);
unsigned num_components = ac_get_llvm_num_components(args.offset);
for (unsigned chan = 0; chan < num_components; chan++) {
offset[chan] = ac_llvm_extract_elem(&ctx->ac, args.offset, chan);
offset[chan] = LLVMBuildAnd(ctx->ac.builder, offset[chan],
LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
if (chan)
@@ -3421,31 +3359,18 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
}
pack = LLVMBuildOr(ctx->ac.builder, offset[0], offset[1], "");
pack = LLVMBuildOr(ctx->ac.builder, pack, offset[2], "");
address[count++] = pack;
}
/* pack LOD bias value */
if (instr->op == nir_texop_txb && bias) {
address[count++] = bias;
args.offset = pack;
}
/* Pack depth comparison value */
if (instr->is_shadow && comparator) {
LLVMValueRef z = ac_to_float(&ctx->ac,
ac_llvm_extract_elem(&ctx->ac, comparator, 0));
/* TC-compatible HTILE on radeonsi promotes Z16 and Z24 to Z32_FLOAT,
* so the depth comparison value isn't clamped for Z16 and
* Z24 anymore. Do it manually here.
*
* It's unnecessary if the original texture format was
* Z32_FLOAT, but we don't know that here.
*/
if (ctx->ac.chip_class == VI && ctx->abi->clamp_shadow_reference)
z = ac_build_clamp(&ctx->ac, z);
address[count++] = z;
}
/* TC-compatible HTILE on radeonsi promotes Z16 and Z24 to Z32_FLOAT,
* so the depth comparison value isn't clamped for Z16 and
* Z24 anymore. Do it manually here.
*
* It's unnecessary if the original texture format was
* Z32_FLOAT, but we don't know that here.
*/
if (args.compare && ctx->ac.chip_class == VI && ctx->abi->clamp_shadow_reference)
args.compare = ac_build_clamp(&ctx->ac, ac_to_float(&ctx->ac, args.compare));
/* pack derivatives */
if (ddx || ddy) {
@@ -3453,7 +3378,6 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
switch (instr->sampler_dim) {
case GLSL_SAMPLER_DIM_3D:
case GLSL_SAMPLER_DIM_CUBE:
num_deriv_comp = 3;
num_src_deriv_channels = 3;
num_dest_deriv_channels = 3;
break;
@@ -3461,121 +3385,76 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
default:
num_src_deriv_channels = 2;
num_dest_deriv_channels = 2;
num_deriv_comp = 2;
break;
case GLSL_SAMPLER_DIM_1D:
num_src_deriv_channels = 1;
if (ctx->ac.chip_class >= GFX9) {
num_dest_deriv_channels = 2;
num_deriv_comp = 2;
} else {
num_dest_deriv_channels = 1;
num_deriv_comp = 1;
}
break;
}
for (unsigned i = 0; i < num_src_deriv_channels; i++) {
derivs[i] = ac_to_float(&ctx->ac, ac_llvm_extract_elem(&ctx->ac, ddx, i));
derivs[num_dest_deriv_channels + i] = ac_to_float(&ctx->ac, ac_llvm_extract_elem(&ctx->ac, ddy, i));
args.derivs[i] = ac_to_float(&ctx->ac,
ac_llvm_extract_elem(&ctx->ac, ddx, i));
args.derivs[num_dest_deriv_channels + i] = ac_to_float(&ctx->ac,
ac_llvm_extract_elem(&ctx->ac, ddy, i));
}
for (unsigned i = num_src_deriv_channels; i < num_dest_deriv_channels; i++) {
derivs[i] = ctx->ac.f32_0;
derivs[num_dest_deriv_channels + i] = ctx->ac.f32_0;
args.derivs[i] = ctx->ac.f32_0;
args.derivs[num_dest_deriv_channels + i] = ctx->ac.f32_0;
}
}
if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && coord) {
for (chan = 0; chan < instr->coord_components; chan++)
coords[chan] = ac_to_float(&ctx->ac, coords[chan]);
if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && args.coords[0]) {
for (unsigned chan = 0; chan < instr->coord_components; chan++)
args.coords[chan] = ac_to_float(&ctx->ac, args.coords[chan]);
if (instr->coord_components == 3)
coords[3] = LLVMGetUndef(ctx->ac.f32);
args.coords[3] = LLVMGetUndef(ctx->ac.f32);
ac_prepare_cube_coords(&ctx->ac,
instr->op == nir_texop_txd, instr->is_array,
instr->op == nir_texop_lod, coords, derivs);
if (num_deriv_comp)
num_deriv_comp--;
instr->op == nir_texop_lod, args.coords, args.derivs);
}
if (ddx || ddy) {
for (unsigned i = 0; i < num_deriv_comp * 2; i++)
address[count++] = derivs[i];
/* Texture coordinates fixups */
if (instr->coord_components > 2 &&
(instr->sampler_dim == GLSL_SAMPLER_DIM_2D ||
instr->sampler_dim == GLSL_SAMPLER_DIM_MS ||
instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS ||
instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS) &&
instr->is_array &&
instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms) {
args.coords[2] = apply_round_slice(&ctx->ac, args.coords[2]);
}
/* Pack texture coordinates */
if (coord) {
address[count++] = coords[0];
if (instr->coord_components > 1) {
if (instr->sampler_dim == GLSL_SAMPLER_DIM_1D && instr->is_array && instr->op != nir_texop_txf) {
coords[1] = apply_round_slice(&ctx->ac, coords[1]);
}
address[count++] = coords[1];
}
if (instr->coord_components > 2) {
if ((instr->sampler_dim == GLSL_SAMPLER_DIM_2D ||
instr->sampler_dim == GLSL_SAMPLER_DIM_MS ||
instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS ||
instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS) &&
instr->is_array &&
instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms) {
coords[2] = apply_round_slice(&ctx->ac, coords[2]);
}
address[count++] = coords[2];
}
if (ctx->ac.chip_class >= GFX9) {
LLVMValueRef filler;
if (instr->op == nir_texop_txf)
filler = ctx->ac.i32_0;
else
filler = LLVMConstReal(ctx->ac.f32, 0.5);
if (instr->sampler_dim == GLSL_SAMPLER_DIM_1D) {
/* No nir_texop_lod, because it does not take a slice
* even with array textures. */
if (instr->is_array && instr->op != nir_texop_lod ) {
address[count] = address[count - 1];
address[count - 1] = filler;
count++;
} else
address[count++] = filler;
}
}
}
/* Pack LOD */
if (lod && ((instr->op == nir_texop_txl || instr->op == nir_texop_txf) && !lod_is_zero)) {
address[count++] = lod;
} else if (instr->op == nir_texop_txf_ms && sample_index) {
address[count++] = sample_index;
} else if(instr->op == nir_texop_txs) {
count = 0;
if (lod)
address[count++] = lod;
if (ctx->ac.chip_class >= GFX9 &&
instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
instr->op != nir_texop_lod) {
LLVMValueRef filler;
if (instr->op == nir_texop_txf)
filler = ctx->ac.i32_0;
else
address[count++] = ctx->ac.i32_0;
filler = LLVMConstReal(ctx->ac.f32, 0.5);
if (instr->is_array)
args.coords[2] = args.coords[1];
args.coords[1] = filler;
}
for (chan = 0; chan < count; chan++) {
address[chan] = LLVMBuildBitCast(ctx->ac.builder,
address[chan], ctx->ac.i32, "");
}
/* Pack sample index */
if (instr->op == nir_texop_txf_ms && sample_index)
args.coords[instr->coord_components] = sample_index;
if (instr->op == nir_texop_samples_identical) {
LLVMValueRef txf_address[4];
struct ac_image_args txf_args = { 0 };
unsigned txf_count = count;
memcpy(txf_address, address, sizeof(txf_address));
memcpy(txf_args.coords, args.coords, sizeof(txf_args.coords));
if (!instr->is_array)
txf_address[2] = ctx->ac.i32_0;
txf_address[3] = ctx->ac.i32_0;
set_tex_fetch_args(&ctx->ac, &txf_args, instr, nir_texop_txf,
fmask_ptr, NULL,
txf_address, txf_count, 0xf);
result = build_tex_intrinsic(ctx, instr, false, &txf_args);
txf_args.dmask = 0xf;
txf_args.resource = fmask_ptr;
txf_args.dim = instr->is_array ? ac_image_2darray : ac_image_2d;
result = build_tex_intrinsic(ctx, instr, &txf_args);
result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
result = emit_int_cmp(&ctx->ac, LLVMIntEQ, result, ctx->ac.i32_0);
@@ -3585,42 +3464,38 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
if (instr->sampler_dim == GLSL_SAMPLER_DIM_MS &&
instr->op != nir_texop_txs) {
unsigned sample_chan = instr->is_array ? 3 : 2;
address[sample_chan] = adjust_sample_index_using_fmask(&ctx->ac,
address[0],
address[1],
instr->is_array ? address[2] : NULL,
address[sample_chan],
fmask_ptr);
args.coords[sample_chan] = adjust_sample_index_using_fmask(
&ctx->ac, args.coords[0], args.coords[1],
instr->is_array ? args.coords[2] : NULL,
args.coords[sample_chan], fmask_ptr);
}
if (offsets && instr->op == nir_texop_txf) {
if (args.offset && instr->op == nir_texop_txf) {
nir_const_value *const_offset =
nir_src_as_const_value(instr->src[const_src].src);
int num_offsets = instr->src[const_src].src.ssa->num_components;
nir_src_as_const_value(instr->src[offset_src].src);
int num_offsets = instr->src[offset_src].src.ssa->num_components;
assert(const_offset);
num_offsets = MIN2(num_offsets, instr->coord_components);
if (num_offsets > 2)
address[2] = LLVMBuildAdd(ctx->ac.builder,
address[2], LLVMConstInt(ctx->ac.i32, const_offset->i32[2], false), "");
if (num_offsets > 1)
address[1] = LLVMBuildAdd(ctx->ac.builder,
address[1], LLVMConstInt(ctx->ac.i32, const_offset->i32[1], false), "");
address[0] = LLVMBuildAdd(ctx->ac.builder,
address[0], LLVMConstInt(ctx->ac.i32, const_offset->i32[0], false), "");
for (unsigned i = 0; i < num_offsets; ++i) {
args.coords[i] = LLVMBuildAdd(
ctx->ac.builder, args.coords[i],
LLVMConstInt(ctx->ac.i32, const_offset->i32[i], false), "");
}
args.offset = NULL;
}
/* TODO TG4 support */
args.dmask = 0xf;
if (instr->op == nir_texop_tg4) {
if (instr->is_shadow)
dmask = 1;
args.dmask = 1;
else
dmask = 1 << instr->component;
args.dmask = 1 << instr->component;
}
set_tex_fetch_args(&ctx->ac, &args, instr, instr->op,
res_ptr, samp_ptr, address, count, dmask);
result = build_tex_intrinsic(ctx, instr, lod_is_zero, &args);
if (instr->sampler_dim != GLSL_SAMPLER_DIM_BUF)
args.dim = get_ac_sampler_dim(&ctx->ac, instr->sampler_dim, instr->is_array);
result = build_tex_intrinsic(ctx, instr, &args);
if (instr->op == nir_texop_query_levels)
result = LLVMBuildExtractElement(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 3, false), "");

2
src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h
View File

@@ -50,7 +50,7 @@ struct lp_build_emit_data {
* args[0] = s0.x;
* args[1] = s1.x;
*/
LLVMValueRef args[12];
LLVMValueRef args[18];
/**
* Number of arguments in the args array.

222
src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
View File

@@ -1008,32 +1008,16 @@ static void atomic_emit(
static void set_tex_fetch_args(struct si_shader_context *ctx,
struct lp_build_emit_data *emit_data,
unsigned target,
LLVMValueRef res_ptr, LLVMValueRef samp_ptr,
LLVMValueRef *param, unsigned count,
unsigned dmask)
struct ac_image_args *args,
unsigned target)
{
struct ac_image_args args = {};
/* Pad to power of two vector */
while (count < util_next_power_of_two(count))
param[count++] = LLVMGetUndef(ctx->i32);
if (count > 1)
args.addr = lp_build_gather_values(&ctx->gallivm, param, count);
else
args.addr = param[0];
args.dim = ac_texture_dim_from_tgsi_target(ctx->screen, target);
args.resource = res_ptr;
args.sampler = samp_ptr;
args.dmask = dmask;
args.unorm = target == TGSI_TEXTURE_RECT ||
target == TGSI_TEXTURE_SHADOWRECT;
args->dim = ac_texture_dim_from_tgsi_target(ctx->screen, target);
args->unorm = target == TGSI_TEXTURE_RECT ||
target == TGSI_TEXTURE_SHADOWRECT;
/* Ugly, but we seem to have no other choice right now. */
STATIC_ASSERT(sizeof(args) <= sizeof(emit_data->args));
memcpy(emit_data->args, &args, sizeof(args));
STATIC_ASSERT(sizeof(*args) <= sizeof(emit_data->args));
memcpy(emit_data->args, args, sizeof(*args));
}
static LLVMValueRef fix_resinfo(struct si_shader_context *ctx,
@@ -1083,7 +1067,7 @@ static void resq_fetch_args(
&emit_data->args[0]);
emit_data->arg_count = 1;
} else {
LLVMValueRef res_ptr;
struct ac_image_args args = {};
unsigned image_target;
if (inst->Memory.Texture == TGSI_TEXTURE_3D)
@@ -1092,10 +1076,10 @@ static void resq_fetch_args(
image_target = inst->Memory.Texture;
image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture,
&res_ptr);
set_tex_fetch_args(ctx, emit_data, image_target,
res_ptr, NULL, &ctx->i32_0, 1,
0xf);
&args.resource);
args.lod = ctx->i32_0;
args.dmask = 0xf;
set_tex_fetch_args(ctx, emit_data, &args, image_target);
}
}
@@ -1262,22 +1246,21 @@ static void txq_fetch_args(
struct si_shader_context *ctx = si_shader_context(bld_base);
const struct tgsi_full_instruction *inst = emit_data->inst;
unsigned target = inst->Texture.Texture;
LLVMValueRef res_ptr;
LLVMValueRef address;
struct ac_image_args args = {};
tex_fetch_ptrs(bld_base, emit_data, &res_ptr, NULL, NULL);
tex_fetch_ptrs(bld_base, emit_data, &args.resource, NULL, NULL);
if (target == TGSI_TEXTURE_BUFFER) {
/* Read the size from the buffer descriptor directly. */
emit_data->args[0] = get_buffer_size(bld_base, res_ptr);
emit_data->args[0] = get_buffer_size(bld_base, args.resource);
return;
}
/* Textures - set the mip level. */
address = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X);
args.lod = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X);
args.dmask = 0xf;
set_tex_fetch_args(ctx, emit_data, target, res_ptr,
NULL, &address, 1, 0xf);
set_tex_fetch_args(ctx, emit_data, &args, target);
}
static void txq_emit(const struct lp_build_tgsi_action *action,
@@ -1310,22 +1293,17 @@ static void tex_fetch_args(
const struct tgsi_full_instruction *inst = emit_data->inst;
unsigned opcode = inst->Instruction.Opcode;
unsigned target = inst->Texture.Texture;
LLVMValueRef coords[5], derivs[6];
LLVMValueRef address[16];
unsigned num_coords = tgsi_util_get_texture_coord_dim(target);
struct ac_image_args args = {};
int ref_pos = tgsi_util_get_shadow_ref_src_index(target);
unsigned count = 0;
unsigned chan;
unsigned num_deriv_channels = 0;
bool has_offset = inst->Texture.NumOffsets > 0;
LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL;
unsigned dmask = 0xf;
LLVMValueRef fmask_ptr = NULL;
tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr);
tex_fetch_ptrs(bld_base, emit_data, &args.resource, &args.sampler, &fmask_ptr);
if (target == TGSI_TEXTURE_BUFFER) {
emit_data->dst_type = ctx->v4f32;
emit_data->args[0] = res_ptr;
emit_data->args[0] = args.resource;
emit_data->args[1] = ctx->i32_0;
emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
emit_data->arg_count = 3;
@@ -1333,20 +1311,19 @@ static void tex_fetch_args(
}
/* Fetch and project texture coordinates */
coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
args.coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
for (chan = 0; chan < 3; chan++) {
coords[chan] = lp_build_emit_fetch(bld_base,
args.coords[chan] = lp_build_emit_fetch(bld_base,
emit_data->inst, 0,
chan);
if (opcode == TGSI_OPCODE_TXP)
coords[chan] = lp_build_emit_llvm_binary(bld_base,
TGSI_OPCODE_DIV,
coords[chan],
coords[3]);
args.coords[chan] = lp_build_emit_llvm_binary(
bld_base, TGSI_OPCODE_DIV,
args.coords[chan], args.coords[3]);
}
if (opcode == TGSI_OPCODE_TXP)
coords[3] = ctx->ac.f32_1;
args.coords[3] = ctx->ac.f32_1;
/* Pack offsets. */
if (has_offset &&
@@ -1371,14 +1348,14 @@ static void tex_fetch_args(
pack = LLVMBuildOr(ctx->ac.builder, offset[0], offset[1], "");
pack = LLVMBuildOr(ctx->ac.builder, pack, offset[2], "");
address[count++] = pack;
args.offset = pack;
}
/* Pack LOD bias value */
if (opcode == TGSI_OPCODE_TXB)
address[count++] = coords[3];
args.bias = args.coords[3];
if (opcode == TGSI_OPCODE_TXB2)
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X);
args.bias = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X);
/* Pack depth comparison value */
if (tgsi_is_shadow_target(target) && opcode != TGSI_OPCODE_LODQ) {
@@ -1388,7 +1365,7 @@ static void tex_fetch_args(
z = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X);
} else {
assert(ref_pos >= 0);
z = coords[ref_pos];
z = args.coords[ref_pos];
}
/* Section 8.23.1 (Depth Texture Comparison Mode) of the
@@ -1405,7 +1382,7 @@ static void tex_fetch_args(
if (ctx->screen->info.chip_class >= VI) {
LLVMValueRef upgraded;
LLVMValueRef clamped;
upgraded = LLVMBuildExtractElement(ctx->ac.builder, samp_ptr,
upgraded = LLVMBuildExtractElement(ctx->ac.builder, args.sampler,
LLVMConstInt(ctx->i32, 3, false), "");
upgraded = LLVMBuildLShr(ctx->ac.builder, upgraded,
LLVMConstInt(ctx->i32, 29, false), "");
@@ -1414,7 +1391,7 @@ static void tex_fetch_args(
z = LLVMBuildSelect(ctx->ac.builder, upgraded, clamped, z, "");
}
address[count++] = z;
args.compare = z;
}
/* Pack user derivatives */
@@ -1425,7 +1402,6 @@ static void tex_fetch_args(
case TGSI_TEXTURE_3D:
num_src_deriv_channels = 3;
num_dst_deriv_channels = 3;
num_deriv_channels = 3;
break;
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_SHADOW2D:
@@ -1435,7 +1411,6 @@ static void tex_fetch_args(
case TGSI_TEXTURE_SHADOW2D_ARRAY:
num_src_deriv_channels = 2;
num_dst_deriv_channels = 2;
num_deriv_channels = 2;
break;
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_SHADOWCUBE:
@@ -1444,7 +1419,6 @@ static void tex_fetch_args(
/* Cube derivatives will be converted to 2D. */
num_src_deriv_channels = 3;
num_dst_deriv_channels = 3;
num_deriv_channels = 2;
break;
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
@@ -1455,10 +1429,8 @@ static void tex_fetch_args(
/* 1D textures are allocated and used as 2D on GFX9. */
if (ctx->screen->info.chip_class >= GFX9) {
num_dst_deriv_channels = 2;
num_deriv_channels = 2;
} else {
num_dst_deriv_channels = 1;
num_deriv_channels = 1;
}
break;
default:
@@ -1467,13 +1439,13 @@ static void tex_fetch_args(
for (param = 0; param < 2; param++) {
for (chan = 0; chan < num_src_deriv_channels; chan++)
derivs[param * num_dst_deriv_channels + chan] =
args.derivs[param * num_dst_deriv_channels + chan] =
lp_build_emit_fetch(bld_base, inst, param+1, chan);
/* Fill in the rest with zeros. */
for (chan = num_src_deriv_channels;
chan < num_dst_deriv_channels; chan++)
derivs[param * num_dst_deriv_channels + chan] =
args.derivs[param * num_dst_deriv_channels + chan] =
ctx->ac.f32_0;
}
}
@@ -1487,28 +1459,17 @@ static void tex_fetch_args(
target == TGSI_TEXTURE_CUBE_ARRAY ||
target == TGSI_TEXTURE_SHADOWCUBE_ARRAY,
opcode == TGSI_OPCODE_LODQ,
coords, derivs);
args.coords, args.derivs);
} else if (tgsi_is_array_sampler(target) &&
opcode != TGSI_OPCODE_TXF &&
opcode != TGSI_OPCODE_TXF_LZ &&
ctx->screen->info.chip_class <= VI) {
unsigned array_coord = target == TGSI_TEXTURE_1D_ARRAY ? 1 : 2;
coords[array_coord] =
args.coords[array_coord] =
ac_build_intrinsic(&ctx->ac, "llvm.rint.f32", ctx->f32,
&coords[array_coord], 1, 0);
&args.coords[array_coord], 1, 0);
}
if (opcode == TGSI_OPCODE_TXD)
for (int i = 0; i < num_deriv_channels * 2; i++)
address[count++] = derivs[i];
/* Pack texture coordinates */
address[count++] = coords[0];
if (num_coords > 1)
address[count++] = coords[1];
if (num_coords > 2)
address[count++] = coords[2];
/* 1D textures are allocated and used as 2D on GFX9. */
if (ctx->screen->info.chip_class >= GFX9) {
LLVMValueRef filler;
@@ -1522,32 +1483,31 @@ static void tex_fetch_args(
if (target == TGSI_TEXTURE_1D ||
target == TGSI_TEXTURE_SHADOW1D) {
address[count++] = filler;
args.coords[1] = filler;
} else if (target == TGSI_TEXTURE_1D_ARRAY ||
target == TGSI_TEXTURE_SHADOW1D_ARRAY) {
address[count] = address[count - 1];
address[count - 1] = filler;
count++;
args.coords[2] = args.coords[1];
args.coords[1] = filler;
}
}
/* Pack LOD or sample index */
if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF)
address[count++] = coords[3];
if (opcode == TGSI_OPCODE_TXL)
args.lod = args.coords[3];
else if (opcode == TGSI_OPCODE_TXL2)
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X);
if (count > 16) {
assert(!"Cannot handle more than 16 texture address parameters");
count = 16;
args.lod = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X);
else if (opcode == TGSI_OPCODE_TXF) {
if (target == TGSI_TEXTURE_2D_MSAA) {
/* No LOD, but move sample index into the right place. */
args.coords[2] = args.coords[3];
} else if (target != TGSI_TEXTURE_2D_ARRAY_MSAA) {
args.lod = args.coords[3];
}
}
for (chan = 0; chan < count; chan++)
address[chan] = ac_to_integer(&ctx->ac, address[chan]);
if (target == TGSI_TEXTURE_2D_MSAA ||
target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
ac_apply_fmask_to_sample(&ctx->ac, fmask_ptr, address,
ac_apply_fmask_to_sample(&ctx->ac, fmask_ptr, args.coords,
target == TGSI_TEXTURE_2D_ARRAY_MSAA);
}
@@ -1562,7 +1522,7 @@ static void tex_fetch_args(
switch (target) {
case TGSI_TEXTURE_3D:
address[2] = lp_build_add(uint_bld, address[2],
args.coords[2] = lp_build_add(uint_bld, args.coords[2],
ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleZ]);
/* fall through */
case TGSI_TEXTURE_2D:
@@ -1571,16 +1531,16 @@ static void tex_fetch_args(
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
address[1] =
lp_build_add(uint_bld, address[1],
args.coords[1] =
lp_build_add(uint_bld, args.coords[1],
ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleY]);
/* fall through */
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
address[0] =
lp_build_add(uint_bld, address[0],
args.coords[0] =
lp_build_add(uint_bld, args.coords[0],
ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleX]);
break;
/* texture offsets do not apply to other texture targets */
@@ -1588,6 +1548,8 @@ static void tex_fetch_args(
}
}
args.dmask = 0xf;
if (opcode == TGSI_OPCODE_TG4) {
unsigned gather_comp = 0;
@@ -1611,11 +1573,10 @@ static void tex_fetch_args(
gather_comp = CLAMP(gather_comp, 0, 3);
}
dmask = 1 << gather_comp;
args.dmask = 1 << gather_comp;
}
set_tex_fetch_args(ctx, emit_data, target, res_ptr,
samp_ptr, address, count, dmask);
set_tex_fetch_args(ctx, emit_data, &args, target);
}
/* Gather4 should follow the same rules as bilinear filtering, but the hardware
@@ -1641,14 +1602,7 @@ si_lower_gather4_integer(struct si_shader_context *ctx,
{
LLVMBuilderRef builder = ctx->ac.builder;
LLVMValueRef wa_8888 = NULL;
LLVMValueRef coord = args->addr;
LLVMValueRef half_texel[2];
/* Texture coordinates start after:
* {offset, bias, z-compare, derivatives}
* Only the offset and z-compare can occur here.
*/
unsigned coord_vgpr_index = (int)args->offset + (int)args->compare;
int c;
assert(return_type == TGSI_RETURN_TYPE_SINT ||
return_type == TGSI_RETURN_TYPE_UINT);
@@ -1691,6 +1645,7 @@ si_lower_gather4_integer(struct si_shader_context *ctx,
half_texel[0] = half_texel[1] = LLVMConstReal(ctx->f32, -0.5);
} else {
struct tgsi_full_instruction txq_inst = {};
struct ac_image_args txq_args = {};
struct lp_build_emit_data txq_emit_data = {};
struct lp_build_if_state if_ctx;
@@ -1703,13 +1658,15 @@ si_lower_gather4_integer(struct si_shader_context *ctx,
txq_inst.Texture.Texture = target;
txq_emit_data.inst = &txq_inst;
txq_emit_data.dst_type = ctx->v4i32;
set_tex_fetch_args(ctx, &txq_emit_data, target,
args->resource, NULL, &ctx->i32_0,
1, 0xf);
txq_args.resource = args->resource;
txq_args.sampler = args->sampler;
txq_args.lod = ctx->ac.i32_0;
txq_args.dmask = 0xf;
set_tex_fetch_args(ctx, &txq_emit_data, &txq_args, target);
txq_emit(NULL, &ctx->bld_base, &txq_emit_data);
/* Compute -0.5 / size. */
for (c = 0; c < 2; c++) {
for (unsigned c = 0; c < 2; c++) {
half_texel[c] =
LLVMBuildExtractElement(builder, txq_emit_data.output[0],
LLVMConstInt(ctx->i32, c, 0), "");
@@ -1726,7 +1683,7 @@ si_lower_gather4_integer(struct si_shader_context *ctx,
LLVMBasicBlockRef bb[2] = { if_ctx.true_block, if_ctx.entry_block };
for (c = 0; c < 2; c++) {
for (unsigned c = 0; c < 2; c++) {
LLVMValueRef values[2] = { half_texel[c], ctx->ac.f32_0 };
half_texel[c] = ac_build_phi(&ctx->ac, ctx->f32, 2,
values, bb);
@@ -1734,19 +1691,13 @@ si_lower_gather4_integer(struct si_shader_context *ctx,
}
}
for (c = 0; c < 2; c++) {
for (unsigned c = 0; c < 2; c++) {
LLVMValueRef tmp;
LLVMValueRef index = LLVMConstInt(ctx->i32, coord_vgpr_index + c, 0);
tmp = LLVMBuildExtractElement(builder, coord, index, "");
tmp = ac_to_float(&ctx->ac, tmp);
tmp = ac_to_float(&ctx->ac, args->coords[c]);
tmp = LLVMBuildFAdd(builder, tmp, half_texel[c], "");
tmp = ac_to_integer(&ctx->ac, tmp);
coord = LLVMBuildInsertElement(builder, coord, tmp, index, "");
args->coords[c] = ac_to_integer(&ctx->ac, tmp);
}
args->addr = coord;
return wa_8888;
}
@@ -1811,8 +1762,6 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
memcpy(&args, emit_data->args, sizeof(args)); /* ugly */
args.opcode = ac_image_sample;
args.compare = tgsi_is_shadow_target(target);
args.offset = inst->Texture.NumOffsets > 0;
switch (opcode) {
case TGSI_OPCODE_TXF:
@@ -1821,13 +1770,9 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
target == TGSI_TEXTURE_2D_MSAA ||
target == TGSI_TEXTURE_2D_ARRAY_MSAA ?
ac_image_load : ac_image_load_mip;
args.compare = false;
args.offset = false;
break;
case TGSI_OPCODE_LODQ:
args.opcode = ac_image_get_lod;
args.compare = false;
args.offset = false;
break;
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TEX2:
@@ -1841,14 +1786,11 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXB2:
assert(ctx->type == PIPE_SHADER_FRAGMENT);
args.bias = true;
break;
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXL2:
args.lod = true;
break;
case TGSI_OPCODE_TXD:
args.deriv = true;
break;
case TGSI_OPCODE_TG4:
args.opcode = ac_image_gather4;
@@ -1897,7 +1839,6 @@ static void si_llvm_emit_txqs(
tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr);
/* Read the samples from the descriptor directly. */
res = LLVMBuildBitCast(ctx->ac.builder, res_ptr, ctx->v8i32, "");
samples = LLVMBuildExtractElement(ctx->ac.builder, res,
@@ -1932,36 +1873,29 @@ static void si_llvm_emit_fbfetch(const struct lp_build_tgsi_action *action,
image = ac_build_load_to_sgpr(&ctx->ac, ptr,
LLVMConstInt(ctx->i32, SI_PS_IMAGE_COLORBUF0 / 2, 0));
LLVMValueRef addr[4];
unsigned chan = 0;
addr[chan++] = si_unpack_param(ctx, SI_PARAM_POS_FIXED_PT, 0, 16);
args.coords[chan++] = si_unpack_param(ctx, SI_PARAM_POS_FIXED_PT, 0, 16);
if (!ctx->shader->key.mono.u.ps.fbfetch_is_1D)
addr[chan++] = si_unpack_param(ctx, SI_PARAM_POS_FIXED_PT, 16, 16);
args.coords[chan++] = si_unpack_param(ctx, SI_PARAM_POS_FIXED_PT, 16, 16);
/* Get the current render target layer index. */
if (ctx->shader->key.mono.u.ps.fbfetch_layered)
addr[chan++] = si_unpack_param(ctx, SI_PARAM_ANCILLARY, 16, 11);
args.coords[chan++] = si_unpack_param(ctx, SI_PARAM_ANCILLARY, 16, 11);
if (ctx->shader->key.mono.u.ps.fbfetch_msaa)
addr[chan++] = si_get_sample_id(ctx);
while (chan < 4)
addr[chan++] = LLVMGetUndef(ctx->i32);
args.coords[chan++] = si_get_sample_id(ctx);
if (ctx->shader->key.mono.u.ps.fbfetch_msaa) {
fmask = ac_build_load_to_sgpr(&ctx->ac, ptr,
LLVMConstInt(ctx->i32, SI_PS_IMAGE_COLORBUF0_FMASK / 2, 0));
ac_apply_fmask_to_sample(&ctx->ac, fmask, addr, false);
ac_apply_fmask_to_sample(&ctx->ac, fmask, args.coords, false);
}
addr_vec = ac_build_gather_values(&ctx->ac, addr, ARRAY_SIZE(addr));
args.opcode = ac_image_load;
args.resource = image;
args.addr = addr_vec;
args.dmask = 0xf;
if (ctx->shader->key.mono.u.ps.fbfetch_msaa)
args.dim = ctx->shader->key.mono.u.ps.fbfetch_layered ?