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-rw-r--r--src/mesa/pipe/llvm/llvmtgsi.cpp101
1 files changed, 91 insertions, 10 deletions
diff --git a/src/mesa/pipe/llvm/llvmtgsi.cpp b/src/mesa/pipe/llvm/llvmtgsi.cpp
index 375e61c0db9..5cbd0ae89ff 100644
--- a/src/mesa/pipe/llvm/llvmtgsi.cpp
+++ b/src/mesa/pipe/llvm/llvmtgsi.cpp
@@ -30,6 +30,7 @@
#include <llvm/Bitcode/ReaderWriter.h>
#include <iostream>
+#include "instructions.h"
using namespace llvm;
#include "llvm_base_shader.cpp"
#include "tgsillvmbuilder.cpp"
@@ -117,31 +118,82 @@ translate_immediate(llvm::Module *module,
static void
translate_instruction(llvm::Module *module,
- VertexShaderBuilder *builder,
+ Storage *storage,
+ Instructions *instr,
struct tgsi_full_instruction *inst,
struct tgsi_full_instruction *fi)
{
+ llvm::Value *inputs[4];
+ for (int i = 0; i < inst->Instruction.NumSrcRegs; ++i) {
+ struct tgsi_full_src_register *src = &inst->FullSrcRegisters[i];
+ llvm::Value *val = 0;
+ if (src->SrcRegister.File == TGSI_FILE_CONSTANT) {
+ val = storage->constElement(src->SrcRegister.Index);
+ } else if (src->SrcRegister.File == TGSI_FILE_INPUT) {
+ val = storage->inputElement(src->SrcRegister.Index);
+ } else if (src->SrcRegister.File == TGSI_FILE_TEMPORARY) {
+ val = storage->tempElement(src->SrcRegister.Index);
+ } else {
+ fprintf(stderr, "ERROR: not support llvm source\n");
+ return;
+ }
+
+ if (src->SrcRegister.Extended) {
+ if (src->SrcRegisterExtSwz.ExtSwizzleX != TGSI_EXTSWIZZLE_X ||
+ src->SrcRegisterExtSwz.ExtSwizzleY != TGSI_EXTSWIZZLE_Y ||
+ src->SrcRegisterExtSwz.ExtSwizzleZ != TGSI_EXTSWIZZLE_Z ||
+ src->SrcRegisterExtSwz.ExtSwizzleW != TGSI_EXTSWIZZLE_W) {
+ int swizzle = src->SrcRegisterExtSwz.ExtSwizzleX * 1000;
+ swizzle += src->SrcRegisterExtSwz.ExtSwizzleY * 100;
+ swizzle += src->SrcRegisterExtSwz.ExtSwizzleZ * 10;
+ swizzle += src->SrcRegisterExtSwz.ExtSwizzleW * 1;
+ val = storage->shuffleVector(val, swizzle);
+ }
+ } else if (src->SrcRegister.SwizzleX != TGSI_SWIZZLE_X ||
+ src->SrcRegister.SwizzleY != TGSI_SWIZZLE_Y ||
+ src->SrcRegister.SwizzleZ != TGSI_SWIZZLE_Z ||
+ src->SrcRegister.SwizzleW != TGSI_SWIZZLE_W) {
+ int swizzle = src->SrcRegister.SwizzleX * 1000;
+ swizzle += src->SrcRegister.SwizzleY * 100;
+ swizzle += src->SrcRegister.SwizzleZ * 10;
+ swizzle += src->SrcRegister.SwizzleW * 1;
+ val = storage->shuffleVector(val, swizzle);
+ }
+ inputs[i] = val;
+ }
+
+ llvm::Value *out = 0;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_ARL:
break;
- case TGSI_OPCODE_MOV:
+ case TGSI_OPCODE_MOV: {
+ out = inputs[0];
+ }
break;
- case TGSI_OPCODE_LIT:
+ case TGSI_OPCODE_LIT: {
+ //out = instr->lit(inputs[0]);
+ return;
+ }
break;
case TGSI_OPCODE_RCP:
break;
- case TGSI_OPCODE_RSQ:
+ case TGSI_OPCODE_RSQ: {
+ out = instr->rsq(inputs[0]);
+ }
break;
case TGSI_OPCODE_EXP:
break;
case TGSI_OPCODE_LOG:
break;
- case TGSI_OPCODE_MUL:
-
+ case TGSI_OPCODE_MUL: {
+ out = instr->mul(inputs[0], inputs[1]);
+ }
break;
case TGSI_OPCODE_ADD:
break;
- case TGSI_OPCODE_DP3:
+ case TGSI_OPCODE_DP3: {
+ out = instr->dp3(inputs[0], inputs[1]);
+ }
break;
case TGSI_OPCODE_DP4:
break;
@@ -155,7 +207,9 @@ translate_instruction(llvm::Module *module,
break;
case TGSI_OPCODE_SGE:
break;
- case TGSI_OPCODE_MAD:
+ case TGSI_OPCODE_MAD: {
+ out = instr->madd(inputs[0], inputs[1], inputs[2]);
+ }
break;
case TGSI_OPCODE_SUB:
break;
@@ -400,6 +454,7 @@ translate_instruction(llvm::Module *module,
break;
}
+
switch( inst->Instruction.Saturate ) {
case TGSI_SAT_NONE:
break;
@@ -412,6 +467,31 @@ translate_instruction(llvm::Module *module,
default:
assert( 0 );
}
+
+ for (int i = 0; i < inst->Instruction.NumDstRegs; ++i) {
+ struct tgsi_full_dst_register *dst = &inst->FullDstRegisters[i];
+
+ if (dst->DstRegister.File == TGSI_FILE_OUTPUT) {
+ storage->store(dst->DstRegister.Index, out);
+ } else if (dst->DstRegister.File == TGSI_FILE_TEMPORARY) {
+ storage->setTempElement(dst->DstRegister.Index, out);
+ } else {
+ fprintf(stderr, "ERROR: unsupported LLVM destination!");
+ }
+
+#if 0
+ if (dst->DstRegister.WriteMask != TGSI_WRITEMASK_XYZW) {
+ if (dst->DstRegister.WriteMask & TGSI_WRITEMASK_X) {
+ }
+ if (dst->DstRegister.WriteMask & TGSI_WRITEMASK_Y) {
+ }
+ if (dst->DstRegister.WriteMask & TGSI_WRITEMASK_Z) {
+ }
+ if (dst->DstRegister.WriteMask & TGSI_WRITEMASK_W) {
+ }
+ }
+#endif
+ }
}
@@ -450,7 +530,8 @@ tgsi_to_llvm(const struct tgsi_token *tokens)
fi = tgsi_default_full_instruction();
fd = tgsi_default_full_declaration();
- VertexShaderBuilder builder(label_entry, ptr_IN, ptr_CONST);
+ Storage storage(label_entry, ptr_OUT, ptr_IN, ptr_CONST);
+ Instructions instr(mod, label_entry);
while(!tgsi_parse_end_of_tokens(&parse)) {
tgsi_parse_token(&parse);
@@ -469,7 +550,7 @@ tgsi_to_llvm(const struct tgsi_token *tokens)
break;
case TGSI_TOKEN_TYPE_INSTRUCTION:
- translate_instruction(mod, &builder,
+ translate_instruction(mod, &storage, &instr,
&parse.FullToken.FullInstruction,
&fi);
break;