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-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c131
1 files changed, 71 insertions, 60 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 0d8d49be2c..441aebae29 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -49,6 +49,7 @@
#include "lp_bld_type.h"
#include "lp_bld_const.h"
#include "lp_bld_arit.h"
+#include "lp_bld_bitarit.h"
#include "lp_bld_gather.h"
#include "lp_bld_logic.h"
#include "lp_bld_swizzle.h"
@@ -119,7 +120,7 @@ struct lp_build_tgsi_soa_context
struct lp_build_context base;
/* Builder for integer masks and indices */
- struct lp_build_context int_bld;
+ struct lp_build_context uint_bld;
LLVMValueRef consts_ptr;
const LLVMValueRef *pos;
@@ -139,6 +140,7 @@ struct lp_build_tgsi_soa_context
*/
LLVMValueRef temps_array;
+ const struct tgsi_shader_info *info;
/** bitmask indicating which register files are accessed indirectly */
unsigned indirect_files;
@@ -472,27 +474,41 @@ build_gather(struct lp_build_tgsi_soa_context *bld,
* temporary register file.
*/
static LLVMValueRef
-get_indirect_offsets(struct lp_build_tgsi_soa_context *bld,
- const struct tgsi_src_register *indirect_reg)
+get_indirect_index(struct lp_build_tgsi_soa_context *bld,
+ unsigned reg_file, unsigned reg_index,
+ const struct tgsi_src_register *indirect_reg)
{
+ struct lp_build_context *uint_bld = &bld->uint_bld;
/* always use X component of address register */
unsigned swizzle = indirect_reg->SwizzleX;
- LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type);
- LLVMValueRef vec4 = lp_build_const_int_vec(bld->int_bld.type, 4);
- LLVMValueRef addr_vec;
+ LLVMValueRef base;
+ LLVMValueRef rel;
+ LLVMValueRef max_index;
+ LLVMValueRef index;
- addr_vec = LLVMBuildLoad(bld->base.builder,
- bld->addr[indirect_reg->Index][swizzle],
- "load addr reg");
+ assert(bld->indirect_files & (1 << reg_file));
+
+ base = lp_build_const_int_vec(uint_bld->type, reg_index);
+
+ assert(swizzle < 4);
+ rel = LLVMBuildLoad(bld->base.builder,
+ bld->addr[indirect_reg->Index][swizzle],
+ "load addr reg");
/* for indexing we want integers */
- addr_vec = LLVMBuildFPToSI(bld->base.builder, addr_vec,
- int_vec_type, "");
+ rel = LLVMBuildFPToSI(bld->base.builder,
+ rel,
+ uint_bld->vec_type, "");
+
+ index = lp_build_add(uint_bld, base, rel);
- /* addr_vec = addr_vec * 4 */
- addr_vec = lp_build_mul(&bld->int_bld, addr_vec, vec4);
+ max_index = lp_build_const_int_vec(uint_bld->type,
+ bld->info->file_max[reg_file]);
- return addr_vec;
+ assert(!uint_bld->type.sign);
+ index = lp_build_min(uint_bld, index, max_index);
+
+ return index;
}
@@ -506,11 +522,12 @@ emit_fetch(
unsigned src_op,
const unsigned chan_index )
{
+ struct lp_build_context *uint_bld = &bld->uint_bld;
const struct tgsi_full_src_register *reg = &inst->Src[src_op];
const unsigned swizzle =
tgsi_util_get_full_src_register_swizzle(reg, chan_index);
LLVMValueRef res;
- LLVMValueRef addr_vec = NULL;
+ LLVMValueRef indirect_index = NULL;
if (swizzle > 3) {
assert(0 && "invalid swizzle in emit_fetch()");
@@ -518,23 +535,24 @@ emit_fetch(
}
if (reg->Register.Indirect) {
- assert(bld->indirect_files);
- addr_vec = get_indirect_offsets(bld, &reg->Indirect);
+ indirect_index = get_indirect_index(bld,
+ reg->Register.File,
+ reg->Register.Index,
+ &reg->Indirect);
+ } else {
+ assert(reg->Register.Index <= bld->info->file_max[reg->Register.File]);
}
switch (reg->Register.File) {
case TGSI_FILE_CONSTANT:
if (reg->Register.Indirect) {
+ LLVMValueRef swizzle_vec =
+ lp_build_const_int_vec(uint_bld->type, swizzle);
LLVMValueRef index_vec; /* index into the const buffer */
- assert(bld->indirect_files & (1 << TGSI_FILE_CONSTANT));
-
- /* index_vec = broadcast(reg->Register.Index * 4 + swizzle) */
- index_vec = lp_build_const_int_vec(bld->int_bld.type,
- reg->Register.Index * 4 + swizzle);
-
- /* index_vec = index_vec + addr_vec */
- index_vec = lp_build_add(&bld->int_bld, index_vec, addr_vec);
+ /* index_vec = indirect_index * 4 + swizzle */
+ index_vec = lp_build_shl_imm(uint_bld, indirect_index, 2);
+ index_vec = lp_build_add(uint_bld, index_vec, swizzle_vec);
/* Gather values from the constant buffer */
res = build_gather(bld, bld->consts_ptr, index_vec);
@@ -565,27 +583,22 @@ emit_fetch(
case TGSI_FILE_TEMPORARY:
if (reg->Register.Indirect) {
- LLVMValueRef vec_len =
- lp_build_const_int_vec(bld->int_bld.type, bld->base.type.length);
+ LLVMValueRef swizzle_vec =
+ lp_build_const_int_vec(uint_bld->type, swizzle);
+ LLVMValueRef length_vec =
+ lp_build_const_int_vec(uint_bld->type, bld->base.type.length);
LLVMValueRef index_vec; /* index into the const buffer */
LLVMValueRef temps_array;
LLVMTypeRef float4_ptr_type;
- assert(bld->indirect_files & (1 << TGSI_FILE_TEMPORARY));
-
- /* index_vec = broadcast(reg->Register.Index * 4 + swizzle) */
- index_vec = lp_build_const_int_vec(bld->int_bld.type,
- reg->Register.Index * 4 + swizzle);
-
- /* index_vec += addr_vec */
- index_vec = lp_build_add(&bld->int_bld, index_vec, addr_vec);
-
- /* index_vec *= vector_length */
- index_vec = lp_build_mul(&bld->int_bld, index_vec, vec_len);
+ /* index_vec = (indirect_index * 4 + swizzle) * length */
+ index_vec = lp_build_shl_imm(uint_bld, indirect_index, 2);
+ index_vec = lp_build_add(uint_bld, index_vec, swizzle_vec);
+ index_vec = lp_build_mul(uint_bld, index_vec, length_vec);
/* cast temps_array pointer to float* */
float4_ptr_type = LLVMPointerType(LLVMFloatType(), 0);
- temps_array = LLVMBuildBitCast(bld->int_bld.builder, bld->temps_array,
+ temps_array = LLVMBuildBitCast(uint_bld->builder, bld->temps_array,
float4_ptr_type, "");
/* Gather values from the temporary register array */
@@ -735,7 +748,7 @@ emit_store(
LLVMValueRef value)
{
const struct tgsi_full_dst_register *reg = &inst->Dst[index];
- LLVMValueRef addr = NULL;
+ LLVMValueRef indirect_index = NULL;
switch( inst->Instruction.Saturate ) {
case TGSI_SAT_NONE:
@@ -756,24 +769,12 @@ emit_store(
}
if (reg->Register.Indirect) {
- /* XXX use get_indirect_offsets() here eventually */
- LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type);
- unsigned swizzle = tgsi_util_get_src_register_swizzle( &reg->Indirect, chan_index );
-
- assert(bld->indirect_files);
-
- 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 = LLVMBuildMul(bld->base.builder,
- addr, LLVMConstInt(LLVMInt32Type(), 4, 0),
- "");
+ indirect_index = get_indirect_index(bld,
+ reg->Register.File,
+ reg->Register.Index,
+ &reg->Indirect);
+ } else {
+ assert(reg->Register.Index <= bld->info->file_max[reg->Register.File]);
}
switch( reg->Register.File ) {
@@ -993,13 +994,14 @@ emit_declaration(
struct lp_build_tgsi_soa_context *bld,
const struct tgsi_full_declaration *decl)
{
- LLVMTypeRef vec_type = lp_build_vec_type(bld->base.type);
+ LLVMTypeRef vec_type = bld->base.vec_type;
unsigned first = decl->Range.First;
unsigned last = decl->Range.Last;
unsigned idx, i;
for (idx = first; idx <= last; ++idx) {
+ assert(last <= bld->info->file_max[decl->Declaration.File]);
switch (decl->Declaration.File) {
case TGSI_FILE_TEMPORARY:
assert(idx < LP_MAX_TGSI_TEMPS);
@@ -2017,16 +2019,25 @@ lp_build_tgsi_soa(LLVMBuilderRef builder,
unsigned i;
int pc = 0;
+ struct lp_type res_type;
+
+ assert(type.length <= LP_MAX_VECTOR_LENGTH);
+ memset(&res_type, 0, sizeof res_type);
+ res_type.width = type.width;
+ res_type.length = type.length;
+ res_type.sign = 1;
+
/* Setup build context */
memset(&bld, 0, sizeof bld);
lp_build_context_init(&bld.base, builder, type);
- lp_build_context_init(&bld.int_bld, builder, lp_int_type(type));
+ lp_build_context_init(&bld.uint_bld, builder, lp_uint_type(type));
bld.mask = mask;
bld.pos = pos;
bld.inputs = inputs;
bld.outputs = outputs;
bld.consts_ptr = consts_ptr;
bld.sampler = sampler;
+ bld.info = info;
bld.indirect_files = info->indirect_files;
bld.instructions = (struct tgsi_full_instruction *)
MALLOC( LP_MAX_INSTRUCTIONS * sizeof(struct tgsi_full_instruction) );
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 02:13:10 +0000