Module: Mesa
Branch: master
Commit: 9c2943601e088c6fb3e871f8d706ded8f68493bc
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9c2943601e088c6fb3e871f8d706ded8f68493bc
Author: Vincent Lejeune <v...@ovi.com>
Date: Sun May 19 15:40:19 2013 +0200
r600g/llvm: Factorize code loading from const buffer.
---
src/gallium/drivers/r600/r600_llvm.c | 51 ++++++++++++++++------------------
1 files changed, 24 insertions(+), 27 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_llvm.c
b/src/gallium/drivers/r600/r600_llvm.c
index c6c9123..26d40a2 100644
--- a/src/gallium/drivers/r600/r600_llvm.c
+++ b/src/gallium/drivers/r600/r600_llvm.c
@@ -23,30 +23,40 @@
#define CONSTANT_BUFFER_0_ADDR_SPACE 8
#define CONSTANT_BUFFER_1_ADDR_SPACE (CONSTANT_BUFFER_0_ADDR_SPACE +
R600_UCP_CONST_BUFFER)
+static LLVMValueRef llvm_load_const_buffer(
+ struct lp_build_tgsi_context * bld_base,
+ LLVMValueRef OffsetValue,
+ unsigned ConstantAddressSpace)
+{
+ LLVMValueRef offset[2] = {
+
LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false),
+ OffsetValue
+ };
+
+ LLVMTypeRef const_ptr_type =
LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4),
1024),
+ ConstantAddressSpace);
+ LLVMValueRef const_ptr =
LLVMBuildIntToPtr(bld_base->base.gallivm->builder,
lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, "");
+ LLVMValueRef ptr = LLVMBuildGEP(bld_base->base.gallivm->builder,
const_ptr, offset, 2, "");
+ return LLVMBuildLoad(bld_base->base.gallivm->builder, ptr, "");
+}
+
static LLVMValueRef llvm_fetch_const(
struct lp_build_tgsi_context * bld_base,
const struct tgsi_full_src_register *reg,
enum tgsi_opcode_type type,
unsigned swizzle)
{
- LLVMValueRef offset[2] = {
-
LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false),
- lp_build_const_int32(bld_base->base.gallivm,
reg->Register.Index)
- };
+ LLVMValueRef offset = lp_build_const_int32(bld_base->base.gallivm,
reg->Register.Index);
if (reg->Register.Indirect) {
struct lp_build_tgsi_soa_context *bld =
lp_soa_context(bld_base);
LLVMValueRef index =
LLVMBuildLoad(bld_base->base.gallivm->builder,
bld->addr[reg->Indirect.Index][reg->Indirect.Swizzle], "");
- offset[1] = LLVMBuildAdd(bld_base->base.gallivm->builder,
offset[1], index, "");
+ offset = LLVMBuildAdd(bld_base->base.gallivm->builder, offset,
index, "");
}
unsigned ConstantAddressSpace = CONSTANT_BUFFER_0_ADDR_SPACE ;
if (reg->Register.Dimension) {
ConstantAddressSpace += reg->Dimension.Index;
}
- LLVMTypeRef const_ptr_type =
LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4),
1024),
- ConstantAddressSpace);
- LLVMValueRef const_ptr =
LLVMBuildIntToPtr(bld_base->base.gallivm->builder,
lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, "");
- LLVMValueRef ptr = LLVMBuildGEP(bld_base->base.gallivm->builder,
const_ptr, offset, 2, "");
- LLVMValueRef cvecval = LLVMBuildLoad(bld_base->base.gallivm->builder,
ptr, "");
+ LLVMValueRef cvecval = llvm_load_const_buffer(bld_base, offset,
ConstantAddressSpace);
LLVMValueRef cval =
LLVMBuildExtractElement(bld_base->base.gallivm->builder, cvecval,
lp_build_const_int32(bld_base->base.gallivm, swizzle), "");
return bitcast(bld_base, type, cval);
}
@@ -250,14 +260,8 @@ static void llvm_emit_epilogue(struct
lp_build_tgsi_context * bld_base)
LLVMValueRef adjusted_elements[4];
for (reg_index = 0; reg_index < 2; reg_index
++) {
for (chan = 0; chan <
TGSI_NUM_CHANNELS; chan++) {
- LLVMValueRef offset[2] = {
-
LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false),
-
lp_build_const_int32(bld_base->base.gallivm, reg_index * 4 + chan)
- };
- LLVMTypeRef const_ptr_type =
LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4),
1024), CONSTANT_BUFFER_1_ADDR_SPACE);
- LLVMValueRef const_ptr =
LLVMBuildIntToPtr(bld_base->base.gallivm->builder,
lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, "");
- LLVMValueRef ptr =
LLVMBuildGEP(bld_base->base.gallivm->builder, const_ptr, offset, 2, "");
- LLVMValueRef base_vector =
LLVMBuildLoad(bld_base->base.gallivm->builder, ptr, "");
+ LLVMValueRef offset =
lp_build_const_int32(bld_base->base.gallivm, reg_index * 4 + chan);
+ LLVMValueRef base_vector =
llvm_load_const_buffer(bld_base, offset, CONSTANT_BUFFER_1_ADDR_SPACE);
args[0] = output;
args[1] = base_vector;
adjusted_elements[chan] =
build_intrinsic(base->gallivm->builder,
@@ -405,15 +409,8 @@ static void llvm_emit_tex(
if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
switch (emit_data->inst->Instruction.Opcode) {
case TGSI_OPCODE_TXQ: {
- LLVMValueRef offset[2] = {
-
LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false),
- lp_build_const_int32(bld_base->base.gallivm, 1)
- };
- LLVMTypeRef const_ptr_type =
LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4),
1024),
-
R600_BUFFER_INFO_CONST_BUFFER);
- LLVMValueRef const_ptr =
LLVMBuildIntToPtr(bld_base->base.gallivm->builder,
lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, "");
- LLVMValueRef ptr =
LLVMBuildGEP(bld_base->base.gallivm->builder, const_ptr, offset, 2, "");
- LLVMValueRef cvecval =
LLVMBuildLoad(bld_base->base.gallivm->builder, ptr, "");
+ LLVMValueRef offset =
lp_build_const_int32(bld_base->base.gallivm, 1);
+ LLVMValueRef cvecval = llvm_load_const_buffer(bld_base,
offset, R600_BUFFER_INFO_CONST_BUFFER);
emit_data->output[0] = cvecval;
return;
}
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