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amd/common: pass new enum ac_image_dim to ac_build_image_opcode

Browse source 
This is in preparation for the new, dimension-aware LLVM image
intrinsics.

Acked-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2018-02-16 14:21:56 +01:00
parent 9cb52d470a
commit f931583828
4 changed files with 114 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/amd/common/ac_llvm_build.c
View file

@ -1456,6 +1456,12 @@ LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
bool sample = a->opcode == ac_image_sample ||
a->opcode == ac_image_gather4 ||
a->opcode == ac_image_get_lod;
bool da = a->dim == ac_image_cube ||
a->dim == ac_image_1darray ||
a->dim == ac_image_2darray ||
a->dim == ac_image_2darraymsaa;
if (a->opcode == ac_image_get_lod)
da = false;
if (sample)
args[num_args++] = ac_to_float(ctx, a->addr);
@ -1471,7 +1477,7 @@ LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
args[num_args++] = ctx->i1false; /* glc */
args[num_args++] = ctx->i1false; /* slc */
args[num_args++] = ctx->i1false; /* lwe */
args[num_args++] = LLVMConstInt(ctx->i1, a->da, 0);
args[num_args++] = LLVMConstInt(ctx->i1, da, 0);
switch (a->opcode) {
case ac_image_sample:
@ -2473,7 +2479,7 @@ void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask,
fmask_load.opcode = ac_image_load;
fmask_load.resource = fmask;
fmask_load.dmask = 0xf;
fmask_load.da = is_array_tex;
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);

13
src/amd/common/ac_llvm_build.h
View file

@ -317,8 +317,20 @@ enum ac_image_opcode {
ac_image_get_resinfo,
};
enum ac_image_dim {
ac_image_1d,
ac_image_2d,
ac_image_3d,
ac_image_cube, // includes cube arrays
ac_image_1darray,
ac_image_2darray,
ac_image_2dmsaa,
ac_image_2darraymsaa,
};
struct ac_image_args {
enum ac_image_opcode opcode;
enum ac_image_dim dim;
bool level_zero;
bool bias;
bool lod;
@ -331,7 +343,6 @@ struct ac_image_args {
LLVMValueRef addr;
unsigned dmask;
bool unorm;
bool da;
};
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,

54
src/amd/common/ac_nir_to_llvm.c
View file

@ -76,6 +76,45 @@ build_store_values_extended(struct ac_llvm_context *ac,
}
}
static enum ac_image_dim
get_ac_sampler_dim(const struct ac_llvm_context *ctx, enum glsl_sampler_dim dim,
bool is_array)
{
switch (dim) {
case GLSL_SAMPLER_DIM_1D:
if (ctx->chip_class >= GFX9)
return is_array ? ac_image_2darray : ac_image_2d;
return is_array ? ac_image_1darray : ac_image_1d;
case GLSL_SAMPLER_DIM_2D:
case GLSL_SAMPLER_DIM_RECT:
case GLSL_SAMPLER_DIM_SUBPASS:
case GLSL_SAMPLER_DIM_EXTERNAL:
return is_array ? ac_image_2darray : ac_image_2d;
case GLSL_SAMPLER_DIM_3D:
return ac_image_3d;
case GLSL_SAMPLER_DIM_CUBE:
return ac_image_cube;
case GLSL_SAMPLER_DIM_MS:
case GLSL_SAMPLER_DIM_SUBPASS_MS:
return is_array ? ac_image_2darraymsaa : ac_image_2dmsaa;
default:
unreachable("bad sampler dim");
}
}
static enum ac_image_dim
get_ac_image_dim(const struct ac_llvm_context *ctx, enum glsl_sampler_dim sdim,
bool is_array)
{
enum ac_image_dim dim = get_ac_sampler_dim(ctx, sdim, is_array);
if (dim == ac_image_cube ||
(ctx->chip_class <= VI && dim == ac_image_3d))
dim = ac_image_2darray;
return dim;
}
static LLVMTypeRef get_def_type(struct ac_nir_context *ctx,
const nir_ssa_def *def)
{
@ -1124,7 +1163,7 @@ static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
{
struct ac_image_args txq_args = { 0 };
txq_args.da = instr->is_array || instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE;
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;
@ -2055,7 +2094,7 @@ static LLVMValueRef adjust_sample_index_using_fmask(struct ac_llvm_context *ctx,
struct ac_image_args args = {0};
args.opcode = ac_image_load;
args.da = coord_z ? true : false;
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);
@ -2402,7 +2441,8 @@ static LLVMValueRef visit_image_samples(struct ac_nir_context *ctx,
const struct glsl_type *type = glsl_without_array(var->type);
struct ac_image_args args = { 0 };
args.da = glsl_is_array_image(type);
args.dim = get_ac_sampler_dim(&ctx->ac, glsl_get_sampler_dim(type),
glsl_sampler_type_is_array(type));
args.dmask = 0xf;
args.resource = get_sampler_desc(ctx, instr->variables[0],
AC_DESC_IMAGE, NULL, true, false);
@ -2426,7 +2466,8 @@ static LLVMValueRef visit_image_size(struct ac_nir_context *ctx,
struct ac_image_args args = { 0 };
args.da = glsl_is_array_image(type);
args.dim = get_ac_image_dim(&ctx->ac, glsl_get_sampler_dim(type),
glsl_sampler_type_is_array(type));
args.dmask = 0xf;
args.resource = get_sampler_desc(ctx, instr->variables[0], AC_DESC_IMAGE, NULL, true, false);
args.opcode = ac_image_get_resinfo;
@ -3185,10 +3226,7 @@ static void set_tex_fetch_args(struct ac_llvm_context *ctx,
unsigned dmask)
{
unsigned is_rect = 0;
bool da = instr->is_array || instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE;
if (op == nir_texop_lod)
da = false;
/* Pad to power of two vector */
while (count < util_next_power_of_two(count))
param[count++] = LLVMGetUndef(ctx->i32);
@ -3208,7 +3246,7 @@ static void set_tex_fetch_args(struct ac_llvm_context *ctx,
args->dmask = dmask;
args->unorm = is_rect;
args->da = da;
args->dim = get_ac_sampler_dim(&ctx->ac, instr->sampler_dim, instr->is_array);
}
/* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL.

50
src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
View file

@ -101,6 +101,44 @@ static bool tgsi_is_array_image(unsigned target)
target == TGSI_TEXTURE_2D_ARRAY_MSAA;
}
static enum ac_image_dim
ac_texture_dim_from_tgsi_target(struct si_screen *screen, enum tgsi_texture_type target)
{
switch (target) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
if (screen->info.chip_class >= GFX9)
return ac_image_2d;
return ac_image_1d;
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
return ac_image_2d;
case TGSI_TEXTURE_3D:
return ac_image_3d;
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_CUBE_ARRAY:
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
return ac_image_cube;
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
if (screen->info.chip_class >= GFX9)
return ac_image_2darray;
return ac_image_1darray;
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
return ac_image_2darray;
case TGSI_TEXTURE_2D_MSAA:
return ac_image_2dmsaa;
case TGSI_TEXTURE_2D_ARRAY_MSAA:
return ac_image_2darraymsaa;
default:
unreachable("unhandled texture type");
}
}
/**
* Given a 256-bit resource descriptor, force the DCC enable bit to off.
*
@ -986,12 +1024,12 @@ static void set_tex_fetch_args(struct si_shader_context *ctx,
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.da = tgsi_is_array_sampler(target);
/* Ugly, but we seem to have no other choice right now. */
STATIC_ASSERT(sizeof(args) <= sizeof(emit_data->args));
@ -1925,7 +1963,15 @@ static void si_llvm_emit_fbfetch(const struct lp_build_tgsi_action *action,
args.resource = image;
args.addr = addr_vec;
args.dmask = 0xf;
args.da = ctx->shader->key.mono.u.ps.fbfetch_layered;
if (ctx->shader->key.mono.u.ps.fbfetch_msaa)
args.dim = ctx->shader->key.mono.u.ps.fbfetch_layered ?
ac_image_2darraymsaa : ac_image_2dmsaa;
else if (ctx->shader->key.mono.u.ps.fbfetch_is_1D)
args.dim = ctx->shader->key.mono.u.ps.fbfetch_layered ?
ac_image_1darray : ac_image_1d;
else
args.dim = ctx->shader->key.mono.u.ps.fbfetch_layered ?
ac_image_2darray : ac_image_2d;
emit_data->output[emit_data->chan] =
ac_build_image_opcode(&ctx->ac, &args);