0,0 → 1,1083 |
/************************************************************************** |
* |
* Copyright 2010 VMware, Inc. |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
|
/** |
* @file |
* TGSI to LLVM IR translation -- AoS. |
* |
* FIXME: |
* - No control flow support: the existing control flow code should be factored |
* out into from the SoA code into a common module and shared. |
* - No derivatives. Derivate logic should be pluggable, just like the samplers. |
* |
* @author Jose Fonseca <jfonseca@vmware.com> |
*/ |
|
#include "pipe/p_config.h" |
#include "pipe/p_shader_tokens.h" |
#include "util/u_debug.h" |
#include "util/u_math.h" |
#include "util/u_memory.h" |
#include "tgsi/tgsi_dump.h" |
#include "tgsi/tgsi_info.h" |
#include "tgsi/tgsi_parse.h" |
#include "tgsi/tgsi_util.h" |
#include "tgsi/tgsi_scan.h" |
#include "lp_bld_type.h" |
#include "lp_bld_const.h" |
#include "lp_bld_arit.h" |
#include "lp_bld_logic.h" |
#include "lp_bld_swizzle.h" |
#include "lp_bld_flow.h" |
#include "lp_bld_quad.h" |
#include "lp_bld_tgsi.h" |
#include "lp_bld_debug.h" |
#include "lp_bld_sample.h" |
|
|
/** |
* Wrapper around lp_build_swizzle_aos which translates swizzles to another |
* ordering. |
*/ |
static LLVMValueRef |
swizzle_aos(struct lp_build_tgsi_context *bld_base, |
LLVMValueRef a, |
unsigned swizzle_x, |
unsigned swizzle_y, |
unsigned swizzle_z, |
unsigned swizzle_w) |
{ |
unsigned char swizzles[4]; |
struct lp_build_tgsi_aos_context *bld = lp_aos_context(bld_base); |
|
assert(swizzle_x < 4); |
assert(swizzle_y < 4); |
assert(swizzle_z < 4); |
assert(swizzle_w < 4); |
|
swizzles[bld->inv_swizzles[0]] = bld->swizzles[swizzle_x]; |
swizzles[bld->inv_swizzles[1]] = bld->swizzles[swizzle_y]; |
swizzles[bld->inv_swizzles[2]] = bld->swizzles[swizzle_z]; |
swizzles[bld->inv_swizzles[3]] = bld->swizzles[swizzle_w]; |
|
return lp_build_swizzle_aos(&bld->bld_base.base, a, swizzles); |
} |
|
|
static LLVMValueRef |
swizzle_scalar_aos(struct lp_build_tgsi_aos_context *bld, |
LLVMValueRef a, |
unsigned chan) |
{ |
chan = bld->swizzles[chan]; |
return lp_build_swizzle_scalar_aos(&bld->bld_base.base, a, chan, 4); |
} |
|
|
static LLVMValueRef |
emit_fetch_constant( |
struct lp_build_tgsi_context * bld_base, |
const struct tgsi_full_src_register * reg, |
enum tgsi_opcode_type stype, |
unsigned swizzle) |
{ |
struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); |
LLVMBuilderRef builder = bld_base->base.gallivm->builder; |
struct lp_type type = bld_base->base.type; |
LLVMValueRef res; |
unsigned chan; |
|
assert(!reg->Register.Indirect); |
|
/* |
* Get the constants components |
*/ |
|
res = bld->bld_base.base.undef; |
for (chan = 0; chan < 4; ++chan) { |
LLVMValueRef index; |
LLVMValueRef scalar_ptr; |
LLVMValueRef scalar; |
LLVMValueRef swizzle; |
|
index = lp_build_const_int32(bld->bld_base.base.gallivm, |
reg->Register.Index * 4 + chan); |
|
scalar_ptr = LLVMBuildGEP(builder, bld->consts_ptr, &index, 1, ""); |
|
scalar = LLVMBuildLoad(builder, scalar_ptr, ""); |
|
lp_build_name(scalar, "const[%u].%c", reg->Register.Index, "xyzw"[chan]); |
|
/* |
* NOTE: constants array is always assumed to be RGBA |
*/ |
|
swizzle = lp_build_const_int32(bld->bld_base.base.gallivm, |
bld->swizzles[chan]); |
|
res = LLVMBuildInsertElement(builder, res, scalar, swizzle, ""); |
} |
|
/* |
* Broadcast the first quaternion to all others. |
* |
* XXX: could be factored into a reusable function. |
*/ |
|
if (type.length > 4) { |
LLVMValueRef shuffles[LP_MAX_VECTOR_LENGTH]; |
unsigned i; |
|
for (chan = 0; chan < 4; ++chan) { |
shuffles[chan] = lp_build_const_int32(bld->bld_base.base.gallivm, chan); |
} |
|
for (i = 4; i < type.length; ++i) { |
shuffles[i] = shuffles[i % 4]; |
} |
|
res = LLVMBuildShuffleVector(builder, |
res, bld->bld_base.base.undef, |
LLVMConstVector(shuffles, type.length), |
""); |
} |
return res; |
} |
|
static LLVMValueRef |
emit_fetch_immediate( |
struct lp_build_tgsi_context * bld_base, |
const struct tgsi_full_src_register * reg, |
enum tgsi_opcode_type stype, |
unsigned swizzle) |
{ |
struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); |
LLVMValueRef res = bld->immediates[reg->Register.Index]; |
assert(res); |
return res; |
} |
|
static LLVMValueRef |
emit_fetch_input( |
struct lp_build_tgsi_context * bld_base, |
const struct tgsi_full_src_register * reg, |
enum tgsi_opcode_type stype, |
unsigned swizzle) |
{ |
struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); |
LLVMValueRef res = bld->inputs[reg->Register.Index]; |
assert(!reg->Register.Indirect); |
assert(res); |
return res; |
} |
|
static LLVMValueRef |
emit_fetch_temporary( |
struct lp_build_tgsi_context * bld_base, |
const struct tgsi_full_src_register * reg, |
enum tgsi_opcode_type stype, |
unsigned swizzle) |
{ |
struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); |
LLVMBuilderRef builder = bld_base->base.gallivm->builder; |
LLVMValueRef temp_ptr = bld->temps[reg->Register.Index]; |
LLVMValueRef res = LLVMBuildLoad(builder, temp_ptr, ""); |
assert(!reg->Register.Indirect); |
if (!res) |
return bld->bld_base.base.undef; |
|
return res; |
} |
|
/** |
* Register store. |
*/ |
void |
lp_emit_store_aos( |
struct lp_build_tgsi_aos_context *bld, |
const struct tgsi_full_instruction *inst, |
unsigned index, |
LLVMValueRef value) |
{ |
LLVMBuilderRef builder = bld->bld_base.base.gallivm->builder; |
const struct tgsi_full_dst_register *reg = &inst->Dst[index]; |
LLVMValueRef mask = NULL; |
LLVMValueRef ptr; |
|
/* |
* Saturate the value |
*/ |
|
switch (inst->Instruction.Saturate) { |
case TGSI_SAT_NONE: |
break; |
|
case TGSI_SAT_ZERO_ONE: |
value = lp_build_max(&bld->bld_base.base, value, bld->bld_base.base.zero); |
value = lp_build_min(&bld->bld_base.base, value, bld->bld_base.base.one); |
break; |
|
case TGSI_SAT_MINUS_PLUS_ONE: |
value = lp_build_max(&bld->bld_base.base, value, lp_build_const_vec(bld->bld_base.base.gallivm, bld->bld_base.base.type, -1.0)); |
value = lp_build_min(&bld->bld_base.base, value, bld->bld_base.base.one); |
break; |
|
default: |
assert(0); |
} |
|
/* |
* Translate the register file |
*/ |
|
assert(!reg->Register.Indirect); |
|
switch (reg->Register.File) { |
case TGSI_FILE_OUTPUT: |
ptr = bld->outputs[reg->Register.Index]; |
break; |
|
case TGSI_FILE_TEMPORARY: |
ptr = bld->temps[reg->Register.Index]; |
break; |
|
case TGSI_FILE_ADDRESS: |
ptr = bld->addr[reg->Indirect.Index]; |
break; |
|
case TGSI_FILE_PREDICATE: |
ptr = bld->preds[reg->Register.Index]; |
break; |
|
default: |
assert(0); |
return; |
} |
|
if (!ptr) |
return; |
/* |
* Predicate |
*/ |
|
if (inst->Instruction.Predicate) { |
LLVMValueRef pred; |
|
assert(inst->Predicate.Index < LP_MAX_TGSI_PREDS); |
|
pred = LLVMBuildLoad(builder, |
bld->preds[inst->Predicate.Index], ""); |
|
/* |
* Convert the value to an integer mask. |
*/ |
pred = lp_build_compare(bld->bld_base.base.gallivm, |
bld->bld_base.base.type, |
PIPE_FUNC_NOTEQUAL, |
pred, |
bld->bld_base.base.zero); |
|
if (inst->Predicate.Negate) { |
pred = LLVMBuildNot(builder, pred, ""); |
} |
|
pred = bld->bld_base.emit_swizzle(&bld->bld_base, pred, |
inst->Predicate.SwizzleX, |
inst->Predicate.SwizzleY, |
inst->Predicate.SwizzleZ, |
inst->Predicate.SwizzleW); |
|
if (mask) { |
mask = LLVMBuildAnd(builder, mask, pred, ""); |
} else { |
mask = pred; |
} |
} |
|
/* |
* Writemask |
*/ |
|
if (reg->Register.WriteMask != TGSI_WRITEMASK_XYZW) { |
LLVMValueRef writemask; |
|
writemask = lp_build_const_mask_aos_swizzled(bld->bld_base.base.gallivm, |
bld->bld_base.base.type, |
reg->Register.WriteMask, |
TGSI_NUM_CHANNELS, |
bld->swizzles); |
|
if (mask) { |
mask = LLVMBuildAnd(builder, mask, writemask, ""); |
} else { |
mask = writemask; |
} |
} |
|
if (mask) { |
LLVMValueRef orig_value; |
|
orig_value = LLVMBuildLoad(builder, ptr, ""); |
value = lp_build_select(&bld->bld_base.base, |
mask, value, orig_value); |
} |
|
LLVMBuildStore(builder, value, ptr); |
} |
|
|
/** |
* High-level instruction translators. |
*/ |
|
static LLVMValueRef |
emit_tex(struct lp_build_tgsi_aos_context *bld, |
const struct tgsi_full_instruction *inst, |
enum lp_build_tex_modifier modifier) |
{ |
unsigned target; |
unsigned unit; |
LLVMValueRef coords; |
struct lp_derivatives derivs = { {NULL}, {NULL} }; |
|
if (!bld->sampler) { |
_debug_printf("warning: found texture instruction but no sampler generator supplied\n"); |
return bld->bld_base.base.undef; |
} |
|
target = inst->Texture.Texture; |
|
coords = lp_build_emit_fetch( &bld->bld_base, inst, 0 , LP_CHAN_ALL); |
|
if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) { |
/* probably not going to work */ |
derivs.ddx[0] = lp_build_emit_fetch( &bld->bld_base, inst, 1 , LP_CHAN_ALL); |
derivs.ddy[0] = lp_build_emit_fetch( &bld->bld_base, inst, 2 , LP_CHAN_ALL); |
unit = inst->Src[3].Register.Index; |
} |
else { |
unit = inst->Src[1].Register.Index; |
} |
return bld->sampler->emit_fetch_texel(bld->sampler, |
&bld->bld_base.base, |
target, unit, |
coords, derivs, |
modifier); |
} |
|
|
static LLVMValueRef |
emit_sample(struct lp_build_tgsi_aos_context *bld, |
const struct tgsi_full_instruction *inst, |
enum lp_build_tex_modifier modifier) |
{ |
unsigned target; |
unsigned unit; |
LLVMValueRef coords; |
struct lp_derivatives derivs = { {NULL}, {NULL} }; |
|
if (!bld->sampler) { |
_debug_printf("warning: found texture instruction but no sampler generator supplied\n"); |
return bld->bld_base.base.undef; |
} |
|
coords = lp_build_emit_fetch( &bld->bld_base, inst, 0 , LP_CHAN_ALL); |
|
/* ignore modifiers, can't handle different sampler / sampler view, etc... */ |
unit = inst->Src[1].Register.Index; |
assert(inst->Src[2].Register.Index == unit); |
|
target = bld->sv[unit].Resource; |
|
return bld->sampler->emit_fetch_texel(bld->sampler, |
&bld->bld_base.base, |
target, unit, |
coords, derivs, |
modifier); |
} |
|
|
void |
lp_emit_declaration_aos( |
struct lp_build_tgsi_aos_context *bld, |
const struct tgsi_full_declaration *decl) |
{ |
struct gallivm_state *gallivm = bld->bld_base.base.gallivm; |
LLVMTypeRef vec_type = lp_build_vec_type(bld->bld_base.base.gallivm, bld->bld_base.base.type); |
|
unsigned first = decl->Range.First; |
unsigned last = decl->Range.Last; |
unsigned idx; |
|
for (idx = first; idx <= last; ++idx) { |
switch (decl->Declaration.File) { |
case TGSI_FILE_TEMPORARY: |
assert(idx < LP_MAX_INLINED_TEMPS); |
if (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)) { |
LLVMValueRef array_size = lp_build_const_int32(gallivm, last + 1); |
bld->temps_array = lp_build_array_alloca(bld->bld_base.base.gallivm, |
vec_type, array_size, ""); |
} else { |
bld->temps[idx] = lp_build_alloca(gallivm, vec_type, ""); |
} |
break; |
|
case TGSI_FILE_OUTPUT: |
bld->outputs[idx] = lp_build_alloca(gallivm, vec_type, ""); |
break; |
|
case TGSI_FILE_ADDRESS: |
assert(idx < LP_MAX_TGSI_ADDRS); |
bld->addr[idx] = lp_build_alloca(gallivm, vec_type, ""); |
break; |
|
case TGSI_FILE_PREDICATE: |
assert(idx < LP_MAX_TGSI_PREDS); |
bld->preds[idx] = lp_build_alloca(gallivm, vec_type, ""); |
break; |
|
case TGSI_FILE_SAMPLER_VIEW: |
/* |
* The target stored here MUST match whatever there actually |
* is in the set sampler views (what about return type?). |
*/ |
assert(last < PIPE_MAX_SHADER_SAMPLER_VIEWS); |
for (idx = first; idx <= last; ++idx) { |
bld->sv[idx] = decl->SamplerView; |
} |
break; |
|
default: |
/* don't need to declare other vars */ |
break; |
} |
} |
} |
|
|
/** |
* Emit LLVM for one TGSI instruction. |
* \param return TRUE for success, FALSE otherwise |
*/ |
boolean |
lp_emit_instruction_aos( |
struct lp_build_tgsi_aos_context *bld, |
const struct tgsi_full_instruction *inst, |
const struct tgsi_opcode_info *info, |
int *pc) |
{ |
LLVMValueRef src0, src1, src2; |
LLVMValueRef tmp0; |
LLVMValueRef dst0 = NULL; |
|
/* |
* Stores and write masks are handled in a general fashion after the long |
* instruction opcode switch statement. |
* |
* Although not stricitly necessary, we avoid generating instructions for |
* channels which won't be stored, in cases where's that easy. For some |
* complex instructions, like texture sampling, it is more convenient to |
* assume a full writemask and then let LLVM optimization passes eliminate |
* redundant code. |
*/ |
|
(*pc)++; |
|
assert(info->num_dst <= 1); |
if (info->num_dst) { |
dst0 = bld->bld_base.base.undef; |
} |
|
switch (inst->Instruction.Opcode) { |
case TGSI_OPCODE_ARL: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_floor(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_MOV: |
dst0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
break; |
|
case TGSI_OPCODE_LIT: |
return FALSE; |
|
case TGSI_OPCODE_RCP: |
/* TGSI_OPCODE_RECIP */ |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_rcp(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_RSQ: |
/* TGSI_OPCODE_RECIPSQRT */ |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = lp_build_emit_llvm_unary(&bld->bld_base, TGSI_OPCODE_ABS, src0); |
dst0 = lp_build_rsqrt(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_EXP: |
return FALSE; |
|
case TGSI_OPCODE_LOG: |
return FALSE; |
|
case TGSI_OPCODE_MUL: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
dst0 = lp_build_mul(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_ADD: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
dst0 = lp_build_add(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_DP3: |
/* TGSI_OPCODE_DOT3 */ |
return FALSE; |
|
case TGSI_OPCODE_DP4: |
/* TGSI_OPCODE_DOT4 */ |
return FALSE; |
|
case TGSI_OPCODE_DST: |
return FALSE; |
|
case TGSI_OPCODE_MIN: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
dst0 = lp_build_min(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_MAX: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
dst0 = lp_build_max(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_SLT: |
/* TGSI_OPCODE_SETLT */ |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LESS, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_SGE: |
/* TGSI_OPCODE_SETGE */ |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_GEQUAL, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_MAD: |
/* TGSI_OPCODE_MADD */ |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); |
tmp0 = lp_build_mul(&bld->bld_base.base, src0, src1); |
dst0 = lp_build_add(&bld->bld_base.base, tmp0, src2); |
break; |
|
case TGSI_OPCODE_SUB: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
dst0 = lp_build_sub(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_LRP: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); |
tmp0 = lp_build_sub(&bld->bld_base.base, src1, src2); |
tmp0 = lp_build_mul(&bld->bld_base.base, src0, tmp0); |
dst0 = lp_build_add(&bld->bld_base.base, tmp0, src2); |
break; |
|
case TGSI_OPCODE_DP2A: |
return FALSE; |
|
case TGSI_OPCODE_FRC: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = lp_build_floor(&bld->bld_base.base, src0); |
dst0 = lp_build_sub(&bld->bld_base.base, src0, tmp0); |
break; |
|
case TGSI_OPCODE_CLAMP: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); |
tmp0 = lp_build_max(&bld->bld_base.base, src0, src1); |
dst0 = lp_build_min(&bld->bld_base.base, tmp0, src2); |
break; |
|
case TGSI_OPCODE_FLR: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_floor(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_ROUND: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_round(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_EX2: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = lp_build_swizzle_scalar_aos(&bld->bld_base.base, src0, TGSI_SWIZZLE_X, TGSI_NUM_CHANNELS); |
dst0 = lp_build_exp2(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_LG2: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); |
dst0 = lp_build_log2(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_POW: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
src1 = swizzle_scalar_aos(bld, src1, TGSI_SWIZZLE_X); |
dst0 = lp_build_pow(&bld->bld_base.base, src0, src1); |
break; |
|
case TGSI_OPCODE_XPD: |
return FALSE; |
|
case TGSI_OPCODE_DPH: |
return FALSE; |
|
case TGSI_OPCODE_COS: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); |
dst0 = lp_build_cos(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_DDX: |
return FALSE; |
|
case TGSI_OPCODE_DDY: |
return FALSE; |
|
case TGSI_OPCODE_KILL: |
return FALSE; |
|
case TGSI_OPCODE_KILL_IF: |
return FALSE; |
|
case TGSI_OPCODE_PK2H: |
return FALSE; |
break; |
|
case TGSI_OPCODE_PK2US: |
return FALSE; |
break; |
|
case TGSI_OPCODE_PK4B: |
return FALSE; |
break; |
|
case TGSI_OPCODE_PK4UB: |
return FALSE; |
|
case TGSI_OPCODE_SEQ: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_EQUAL, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_SGT: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_GREATER, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_SIN: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); |
dst0 = lp_build_sin(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_SLE: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LEQUAL, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_SNE: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_NOTEQUAL, src0, src1); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); |
break; |
|
case TGSI_OPCODE_TEX: |
dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_NONE); |
break; |
|
case TGSI_OPCODE_TXD: |
dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV); |
break; |
|
case TGSI_OPCODE_UP2H: |
/* deprecated */ |
assert (0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_UP2US: |
/* deprecated */ |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_UP4B: |
/* deprecated */ |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_UP4UB: |
/* deprecated */ |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_ARR: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_round(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_CAL: |
return FALSE; |
|
case TGSI_OPCODE_RET: |
/* safe to ignore at end */ |
break; |
|
case TGSI_OPCODE_END: |
*pc = -1; |
break; |
|
case TGSI_OPCODE_SSG: |
/* TGSI_OPCODE_SGN */ |
tmp0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_sgn(&bld->bld_base.base, tmp0); |
break; |
|
case TGSI_OPCODE_CMP: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); |
src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); |
tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LESS, src0, bld->bld_base.base.zero); |
dst0 = lp_build_select(&bld->bld_base.base, tmp0, src1, src2); |
break; |
|
case TGSI_OPCODE_SCS: |
return FALSE; |
|
case TGSI_OPCODE_TXB: |
dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_LOD_BIAS); |
break; |
|
case TGSI_OPCODE_DIV: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_DP2: |
return FALSE; |
|
case TGSI_OPCODE_TXL: |
dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD); |
break; |
|
case TGSI_OPCODE_TXP: |
dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_PROJECTED); |
break; |
|
case TGSI_OPCODE_BRK: |
return FALSE; |
|
case TGSI_OPCODE_IF: |
case TGSI_OPCODE_UIF: |
return FALSE; |
|
case TGSI_OPCODE_BGNLOOP: |
return FALSE; |
|
case TGSI_OPCODE_BGNSUB: |
return FALSE; |
|
case TGSI_OPCODE_ELSE: |
return FALSE; |
|
case TGSI_OPCODE_ENDIF: |
return FALSE; |
|
case TGSI_OPCODE_ENDLOOP: |
return FALSE; |
|
case TGSI_OPCODE_ENDSUB: |
return FALSE; |
|
case TGSI_OPCODE_PUSHA: |
/* deprecated? */ |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_POPA: |
/* deprecated? */ |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_CEIL: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_ceil(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_I2F: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_NOT: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_TRUNC: |
src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); |
dst0 = lp_build_trunc(&bld->bld_base.base, src0); |
break; |
|
case TGSI_OPCODE_SHL: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_ISHR: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_AND: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_OR: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_MOD: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_XOR: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_SAD: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_TXF: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_TXQ: |
assert(0); |
return FALSE; |
break; |
|
case TGSI_OPCODE_CONT: |
return FALSE; |
|
case TGSI_OPCODE_EMIT: |
return FALSE; |
break; |
|
case TGSI_OPCODE_ENDPRIM: |
return FALSE; |
break; |
|
case TGSI_OPCODE_NOP: |
break; |
|
case TGSI_OPCODE_SAMPLE: |
dst0 = emit_sample(bld, inst, LP_BLD_TEX_MODIFIER_NONE); |
break; |
|
default: |
return FALSE; |
} |
|
if (info->num_dst) { |
lp_emit_store_aos(bld, inst, 0, dst0); |
} |
|
return TRUE; |
} |
|
|
void |
lp_build_tgsi_aos(struct gallivm_state *gallivm, |
const struct tgsi_token *tokens, |
struct lp_type type, |
const unsigned char swizzles[4], |
LLVMValueRef consts_ptr, |
const LLVMValueRef *inputs, |
LLVMValueRef *outputs, |
struct lp_build_sampler_aos *sampler, |
const struct tgsi_shader_info *info) |
{ |
struct lp_build_tgsi_aos_context bld; |
struct tgsi_parse_context parse; |
uint num_immediates = 0; |
unsigned chan; |
int pc = 0; |
|
/* Setup build context */ |
memset(&bld, 0, sizeof bld); |
lp_build_context_init(&bld.bld_base.base, gallivm, type); |
lp_build_context_init(&bld.bld_base.uint_bld, gallivm, lp_uint_type(type)); |
lp_build_context_init(&bld.bld_base.int_bld, gallivm, lp_int_type(type)); |
lp_build_context_init(&bld.int_bld, gallivm, lp_int_type(type)); |
|
for (chan = 0; chan < 4; ++chan) { |
bld.swizzles[chan] = swizzles[chan]; |
bld.inv_swizzles[swizzles[chan]] = chan; |
} |
|
bld.inputs = inputs; |
bld.outputs = outputs; |
bld.consts_ptr = consts_ptr; |
bld.sampler = sampler; |
bld.indirect_files = info->indirect_files; |
bld.bld_base.emit_swizzle = swizzle_aos; |
bld.bld_base.info = info; |
|
bld.bld_base.emit_fetch_funcs[TGSI_FILE_CONSTANT] = emit_fetch_constant; |
bld.bld_base.emit_fetch_funcs[TGSI_FILE_IMMEDIATE] = emit_fetch_immediate; |
bld.bld_base.emit_fetch_funcs[TGSI_FILE_INPUT] = emit_fetch_input; |
bld.bld_base.emit_fetch_funcs[TGSI_FILE_TEMPORARY] = emit_fetch_temporary; |
|
/* Set opcode actions */ |
lp_set_default_actions_cpu(&bld.bld_base); |
|
if (!lp_bld_tgsi_list_init(&bld.bld_base)) { |
return; |
} |
|
tgsi_parse_init(&parse, tokens); |
|
while (!tgsi_parse_end_of_tokens(&parse)) { |
tgsi_parse_token(&parse); |
|
switch(parse.FullToken.Token.Type) { |
case TGSI_TOKEN_TYPE_DECLARATION: |
/* Inputs already interpolated */ |
lp_emit_declaration_aos(&bld, &parse.FullToken.FullDeclaration); |
break; |
|
case TGSI_TOKEN_TYPE_INSTRUCTION: |
/* save expanded instruction */ |
lp_bld_tgsi_add_instruction(&bld.bld_base, |
&parse.FullToken.FullInstruction); |
break; |
|
case TGSI_TOKEN_TYPE_IMMEDIATE: |
/* simply copy the immediate values into the next immediates[] slot */ |
{ |
const uint size = parse.FullToken.FullImmediate.Immediate.NrTokens - 1; |
float imm[4]; |
assert(size <= 4); |
assert(num_immediates < LP_MAX_INLINED_IMMEDIATES); |
for (chan = 0; chan < 4; ++chan) { |
imm[chan] = 0.0f; |
} |
for (chan = 0; chan < size; ++chan) { |
unsigned swizzle = bld.swizzles[chan]; |
imm[swizzle] = parse.FullToken.FullImmediate.u[chan].Float; |
} |
bld.immediates[num_immediates] = |
lp_build_const_aos(gallivm, type, |
imm[0], imm[1], imm[2], imm[3], |
NULL); |
num_immediates++; |
} |
break; |
|
case TGSI_TOKEN_TYPE_PROPERTY: |
break; |
|
default: |
assert(0); |
} |
} |
|
while (pc != -1) { |
struct tgsi_full_instruction *instr = bld.bld_base.instructions + pc; |
const struct tgsi_opcode_info *opcode_info = |
tgsi_get_opcode_info(instr->Instruction.Opcode); |
if (!lp_emit_instruction_aos(&bld, instr, opcode_info, &pc)) |
_debug_printf("warning: failed to translate tgsi opcode %s to LLVM\n", |
opcode_info->mnemonic); |
} |
|
if (0) { |
LLVMBasicBlockRef block = LLVMGetInsertBlock(gallivm->builder); |
LLVMValueRef function = LLVMGetBasicBlockParent(block); |
debug_printf("11111111111111111111111111111 \n"); |
tgsi_dump(tokens, 0); |
lp_debug_dump_value(function); |
debug_printf("2222222222222222222222222222 \n"); |
} |
tgsi_parse_free(&parse); |
FREE(bld.bld_base.instructions); |
|
if (0) { |
LLVMModuleRef module = LLVMGetGlobalParent( |
LLVMGetBasicBlockParent(LLVMGetInsertBlock(gallivm->builder))); |
LLVMDumpModule(module); |
} |
|
} |
|