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path: root/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
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Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c')
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c105
1 files changed, 68 insertions, 37 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 72ed8c089a..df2e24c2c9 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -46,6 +46,7 @@
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_util.h"
#include "tgsi/tgsi_exec.h"
+#include "tgsi/tgsi_scan.h"
#include "lp_bld_type.h"
#include "lp_bld_const.h"
#include "lp_bld_arit.h"
@@ -127,6 +128,11 @@ struct lp_build_tgsi_soa_context
LLVMValueRef temps[LP_MAX_TEMPS][NUM_CHANNELS];
LLVMValueRef addr[LP_MAX_TEMPS][NUM_CHANNELS];
+ /* we allocate an array of temps if we have indirect
+ * addressing and then the temps above is unused */
+ LLVMValueRef temps_array;
+ boolean has_indirect_addressing;
+
struct lp_build_mask_context *mask;
struct lp_exec_mask exec_mask;
};
@@ -358,6 +364,23 @@ emit_ddy(struct lp_build_tgsi_soa_context *bld,
return lp_build_sub(&bld->base, src_top, src_bottom);
}
+static LLVMValueRef
+get_temp_ptr(struct lp_build_tgsi_soa_context *bld,
+ unsigned index,
+ unsigned swizzle,
+ boolean is_indirect,
+ LLVMValueRef addr)
+{
+ if (!bld->has_indirect_addressing) {
+ return bld->temps[index][swizzle];
+ } else {
+ LLVMValueRef lindex =
+ LLVMConstInt(LLVMInt32Type(), index*4 + swizzle, 0);
+ if (is_indirect)
+ lindex = lp_build_add(&bld->base, lindex, addr);
+ return LLVMBuildGEP(bld->base.builder, bld->temps_array, &lindex, 1, "");
+ }
+}
/**
* Register fetch.
@@ -392,6 +415,7 @@ emit_fetch(
addr = LLVMBuildExtractElement(bld->base.builder,
addr, LLVMConstInt(LLVMInt32Type(), 0, 0),
"");
+ addr = lp_build_mul(&bld->base, addr, LLVMConstInt(LLVMInt32Type(), 4, 0));
}
switch (reg->Register.File) {
@@ -402,7 +426,6 @@ emit_fetch(
if (reg->Register.Indirect) {
/*lp_build_printf(bld->base.builder,
"\taddr = %d\n", addr);*/
- addr = lp_build_mul(&bld->base, addr, LLVMConstInt(LLVMInt32Type(), 4, 0));
index = lp_build_add(&bld->base, index, addr);
}
scalar_ptr = LLVMBuildGEP(bld->base.builder, bld->consts_ptr, &index, 1, "");
@@ -422,11 +445,16 @@ emit_fetch(
assert(res);
break;
- case TGSI_FILE_TEMPORARY:
- res = LLVMBuildLoad(bld->base.builder, bld->temps[reg->Register.Index][swizzle], "");
+ case TGSI_FILE_TEMPORARY: {
+ LLVMValueRef temp_ptr = get_temp_ptr(bld, reg->Register.Index,
+ swizzle,
+ reg->Register.Indirect,
+ addr);
+ res = LLVMBuildLoad(bld->base.builder, temp_ptr, "");
if(!res)
return bld->base.undef;
break;
+ }
default:
assert( 0 );
@@ -504,6 +532,7 @@ emit_store(
LLVMValueRef value)
{
const struct tgsi_full_dst_register *reg = &inst->Dst[index];
+ LLVMValueRef addr;
switch( inst->Instruction.Saturate ) {
case TGSI_SAT_NONE:
@@ -523,16 +552,35 @@ emit_store(
assert(0);
}
+ if (reg->Register.Indirect) {
+ LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type);
+ unsigned swizzle = tgsi_util_get_src_register_swizzle( &reg->Indirect, chan_index );
+ addr = LLVMBuildLoad(bld->base.builder,
+ bld->addr[reg->Indirect.Index][swizzle],
+ "");
+ /* for indexing we want integers */
+ addr = LLVMBuildFPToSI(bld->base.builder, addr,
+ int_vec_type, "");
+ addr = LLVMBuildExtractElement(bld->base.builder,
+ addr, LLVMConstInt(LLVMInt32Type(), 0, 0),
+ "");
+ addr = lp_build_mul(&bld->base, addr, LLVMConstInt(LLVMInt32Type(), 4, 0));
+ }
+
switch( reg->Register.File ) {
case TGSI_FILE_OUTPUT:
lp_exec_mask_store(&bld->exec_mask, value,
bld->outputs[reg->Register.Index][chan_index]);
break;
- case TGSI_FILE_TEMPORARY:
- lp_exec_mask_store(&bld->exec_mask, value,
- bld->temps[reg->Register.Index][chan_index]);
+ case TGSI_FILE_TEMPORARY: {
+ LLVMValueRef temp_ptr = get_temp_ptr(bld, reg->Register.Index,
+ chan_index,
+ reg->Register.Indirect,
+ addr);
+ lp_exec_mask_store(&bld->exec_mask, value, temp_ptr);
break;
+ }
case TGSI_FILE_ADDRESS:
lp_exec_mask_store(&bld->exec_mask, value,
@@ -691,30 +739,6 @@ emit_kilp(struct lp_build_tgsi_soa_context *bld,
lp_build_mask_update(bld->mask, mask);
}
-
-/**
- * Check if inst src/dest regs use indirect addressing into temporary
- * register file.
- */
-static boolean
-indirect_temp_reference(const struct tgsi_full_instruction *inst)
-{
- uint i;
- for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
- const struct tgsi_full_src_register *reg = &inst->Src[i];
- if (reg->Register.File == TGSI_FILE_TEMPORARY &&
- reg->Register.Indirect)
- return TRUE;
- }
- for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
- const struct tgsi_full_dst_register *reg = &inst->Dst[i];
- if (reg->Register.File == TGSI_FILE_TEMPORARY &&
- reg->Register.Indirect)
- return TRUE;
- }
- return FALSE;
-}
-
static int
emit_declaration(
struct lp_build_tgsi_soa_context *bld,
@@ -740,8 +764,16 @@ emit_declaration(
for (idx = first; idx <= last; ++idx) {
switch (decl->Declaration.File) {
case TGSI_FILE_TEMPORARY:
- for (i = 0; i < NUM_CHANNELS; i++)
- bld->temps[idx][i] = lp_build_alloca(&bld->base);
+ if (bld->has_indirect_addressing) {
+ LLVMValueRef val = LLVMConstInt(LLVMInt32Type(),
+ last*4 + 4, 0);
+ bld->temps_array = LLVMBuildArrayAlloca(bld->base.builder,
+ lp_build_vec_type(bld->base.type),
+ val, "");
+ } else {
+ for (i = 0; i < NUM_CHANNELS; i++)
+ bld->temps[idx][i] = lp_build_alloca(&bld->base);
+ }
break;
case TGSI_FILE_OUTPUT:
@@ -787,10 +819,6 @@ emit_instruction(
LLVMValueRef res;
LLVMValueRef dst0[NUM_CHANNELS];
- /* we can't handle indirect addressing into temp register file yet */
- if (indirect_temp_reference(inst))
- return FALSE;
-
/*
* Stores and write masks are handled in a general fashion after the long
* instruction opcode switch statement.
@@ -1742,7 +1770,8 @@ lp_build_tgsi_soa(LLVMBuilderRef builder,
const LLVMValueRef *pos,
const LLVMValueRef (*inputs)[NUM_CHANNELS],
LLVMValueRef (*outputs)[NUM_CHANNELS],
- struct lp_build_sampler_soa *sampler)
+ struct lp_build_sampler_soa *sampler,
+ struct tgsi_shader_info *info)
{
struct lp_build_tgsi_soa_context bld;
struct tgsi_parse_context parse;
@@ -1758,6 +1787,8 @@ lp_build_tgsi_soa(LLVMBuilderRef builder,
bld.outputs = outputs;
bld.consts_ptr = consts_ptr;
bld.sampler = sampler;
+ bld.has_indirect_addressing = info->opcode_count[TGSI_OPCODE_ARR] > 0 ||
+ info->opcode_count[TGSI_OPCODE_ARL] > 0;
lp_exec_mask_init(&bld.exec_mask, &bld.base);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 15:50:40 +0000