diff options
author | Zack Rusin <zackr@vmware.com> | 2010-02-08 18:05:22 -0500 |
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committer | Zack Rusin <zackr@vmware.com> | 2010-02-08 18:22:11 -0500 |
commit | c61bf363937f40624a5632745630d4f2b9907082 (patch) | |
tree | bb2388269117d6783400e17957ff8b0a68dfb5b5 /src/gallium/auxiliary/gallivm/storagesoa.cpp | |
parent | 74d23546c79fe8c8d87588fa423040e3b19a8fc6 (diff) |
llvmpipe: export the tgsi translation code to a common layer
the llvmpipe tgsi translation is a lot more complete than what was in
gallivm so replacing the latter with the former. this is needed since
the draw llvm paths will use the same code. effectively the proven
llvmpipe code becomes gallivm.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/storagesoa.cpp')
-rw-r--r-- | src/gallium/auxiliary/gallivm/storagesoa.cpp | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/src/gallium/auxiliary/gallivm/storagesoa.cpp b/src/gallium/auxiliary/gallivm/storagesoa.cpp deleted file mode 100644 index 4984ce985c..0000000000 --- a/src/gallium/auxiliary/gallivm/storagesoa.cpp +++ /dev/null @@ -1,438 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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 TUNGSTEN GRAPHICS 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. - * - **************************************************************************/ - -#include "storagesoa.h" - -#include "gallivm_p.h" - -#include "pipe/p_shader_tokens.h" -#include "util/u_debug.h" - -#include <llvm/BasicBlock.h> -#include <llvm/Module.h> -#include <llvm/Value.h> - -#include <llvm/CallingConv.h> -#include <llvm/Constants.h> -#include <llvm/DerivedTypes.h> -#include <llvm/InstrTypes.h> -#include <llvm/Instructions.h> - -using namespace llvm; - - -StorageSoa::StorageSoa(llvm::BasicBlock *block, - llvm::Value *input, - llvm::Value *output, - llvm::Value *consts) - : m_block(block), - m_input(input), - m_output(output), - m_consts(consts), - m_immediates(0), - m_idx(0) -{ -} - -void StorageSoa::addImmediate(float *vec) -{ - std::vector<float> vals(4); - vals[0] = vec[0]; - vals[1] = vec[1]; - vals[2] = vec[2]; - vals[3] = vec[3]; - m_immediatesToFlush.push_back(vals); -} - -void StorageSoa::declareImmediates() -{ - if (m_immediatesToFlush.empty()) - return; - - VectorType *vectorType = VectorType::get(Type::FloatTy, 4); - ArrayType *vectorChannels = ArrayType::get(vectorType, 4); - ArrayType *arrayType = ArrayType::get(vectorChannels, m_immediatesToFlush.size()); - - m_immediates = new GlobalVariable( - /*Type=*/arrayType, - /*isConstant=*/false, - /*Linkage=*/GlobalValue::ExternalLinkage, - /*Initializer=*/0, // has initializer, specified below - /*Name=*/name("immediates"), - currentModule()); - - std::vector<Constant*> arrayVals; - for (unsigned int i = 0; i < m_immediatesToFlush.size(); ++i) { - std::vector<float> vec = m_immediatesToFlush[i]; - std::vector<float> vals(4); - std::vector<Constant*> channelArray; - - vals[0] = vec[0]; vals[1] = vec[1]; vals[2] = vec[2]; vals[3] = vec[3]; - llvm::Constant *xChannel = createConstGlobalVector(vals); - - vals[0] = vec[1]; vals[1] = vec[1]; vals[2] = vec[1]; vals[3] = vec[1]; - llvm::Constant *yChannel = createConstGlobalVector(vals); - - vals[0] = vec[2]; vals[1] = vec[2]; vals[2] = vec[2]; vals[3] = vec[2]; - llvm::Constant *zChannel = createConstGlobalVector(vals); - - vals[0] = vec[3]; vals[1] = vec[3]; vals[2] = vec[3]; vals[3] = vec[3]; - llvm::Constant *wChannel = createConstGlobalVector(vals); - channelArray.push_back(xChannel); - channelArray.push_back(yChannel); - channelArray.push_back(zChannel); - channelArray.push_back(wChannel); - Constant *constChannels = ConstantArray::get(vectorChannels, - channelArray); - arrayVals.push_back(constChannels); - } - Constant *constArray = ConstantArray::get(arrayType, arrayVals); - m_immediates->setInitializer(constArray); - - m_immediatesToFlush.clear(); -} - -llvm::Value *StorageSoa::addrElement(int idx) const -{ - std::map<int, llvm::Value*>::const_iterator itr = m_addresses.find(idx); - if (itr == m_addresses.end()) { - debug_printf("Trying to access invalid shader 'address'\n"); - return 0; - } - llvm::Value * res = (*itr).second; - - res = new LoadInst(res, name("addr"), false, m_block); - - return res; -} - -std::vector<llvm::Value*> StorageSoa::inputElement(llvm::Value *idx) -{ - std::vector<llvm::Value*> res(4); - - res[0] = element(m_input, idx, 0); - res[1] = element(m_input, idx, 1); - res[2] = element(m_input, idx, 2); - res[3] = element(m_input, idx, 3); - - return res; -} - -llvm::Value* StorageSoa::unpackConstElement(llvm::IRBuilder<>* m_builder, llvm::Value* vector, int cc) -{ - std::vector<llvm::Value*> x(4); - x[0] = m_builder->CreateExtractElement(vector, - constantInt(cc), - name("x")); - - VectorType *vectorType = VectorType::get(Type::FloatTy, 4); - Constant *constVector = Constant::getNullValue(vectorType); - Value *res = m_builder->CreateInsertElement(constVector, x[0], - constantInt(0), - name("vecx")); - res = m_builder->CreateInsertElement(res, x[0], constantInt(1), - name("vecxx")); - res = m_builder->CreateInsertElement(res, x[0], constantInt(2), - name("vecxxx")); - res = m_builder->CreateInsertElement(res, x[0], constantInt(3), - name("vecxxxx")); - return res; -} - -std::vector<llvm::Value*> StorageSoa::constElement(llvm::IRBuilder<>* m_builder, llvm::Value *idx) -{ - llvm::Value* res; - std::vector<llvm::Value*> res2(4); - llvm::Value *xChannel; - - xChannel = elementPointer(m_consts, idx, 0); - - res = alignedArrayLoad(xChannel); - - res2[0]=unpackConstElement(m_builder, res,0); - res2[1]=unpackConstElement(m_builder, res,1); - res2[2]=unpackConstElement(m_builder, res,2); - res2[3]=unpackConstElement(m_builder, res,3); - - return res2; -} - -std::vector<llvm::Value*> StorageSoa::outputElement(llvm::Value *idx) -{ - std::vector<llvm::Value*> res(4); - - res[0] = element(m_output, idx, 0); - res[1] = element(m_output, idx, 1); - res[2] = element(m_output, idx, 2); - res[3] = element(m_output, idx, 3); - - return res; -} - -std::vector<llvm::Value*> StorageSoa::tempElement(llvm::IRBuilder<>* m_builder, int idx) -{ - std::vector<llvm::Value*> res(4); - llvm::Value *temp = m_temps[idx]; - - res[0] = element(temp, constantInt(0), 0); - res[1] = element(temp, constantInt(0), 1); - res[2] = element(temp, constantInt(0), 2); - res[3] = element(temp, constantInt(0), 3); - - return res; -} - -std::vector<llvm::Value*> StorageSoa::immediateElement(llvm::Value *idx) -{ - std::vector<llvm::Value*> res(4); - - res[0] = element(m_immediates, idx, 0); - res[1] = element(m_immediates, idx, 1); - res[2] = element(m_immediates, idx, 2); - res[3] = element(m_immediates, idx, 3); - - return res; -} - -llvm::Value * StorageSoa::elementPointer(llvm::Value *ptr, llvm::Value *index, - int channel) const -{ - std::vector<Value*> indices; - if (m_immediates == ptr) - indices.push_back(constantInt(0)); - indices.push_back(index); - indices.push_back(constantInt(channel)); - - GetElementPtrInst *getElem = GetElementPtrInst::Create(ptr, - indices.begin(), - indices.end(), - name("ptr"), - m_block); - return getElem; -} - -llvm::Value * StorageSoa::element(llvm::Value *ptr, llvm::Value *index, - int channel) const -{ - llvm::Value *res = elementPointer(ptr, index, channel); - LoadInst *load = new LoadInst(res, name("element"), false, m_block); - //load->setAlignment(8); - return load; -} - -const char * StorageSoa::name(const char *prefix) const -{ - ++m_idx; - snprintf(m_name, 32, "%s%d", prefix, m_idx); - return m_name; -} - -llvm::ConstantInt * StorageSoa::constantInt(int idx) const -{ - if (m_constInts.find(idx) != m_constInts.end()) { - return m_constInts[idx]; - } - ConstantInt *constInt = ConstantInt::get(APInt(32, idx)); - m_constInts[idx] = constInt; - return constInt; -} - -llvm::Value *StorageSoa::alignedArrayLoad(llvm::Value *val) -{ - VectorType *vectorType = VectorType::get(Type::FloatTy, 4); - PointerType *vectorPtr = PointerType::get(vectorType, 0); - - CastInst *cast = new BitCastInst(val, vectorPtr, name("toVector"), m_block); - LoadInst *load = new LoadInst(cast, name("alignLoad"), false, m_block); - load->setAlignment(8); - return load; -} - -llvm::Module * StorageSoa::currentModule() const -{ - if (!m_block || !m_block->getParent()) - return 0; - - return m_block->getParent()->getParent(); -} - -llvm::Constant * StorageSoa::createConstGlobalFloat(const float val) -{ - Constant*c = ConstantFP::get(APFloat(val)); - return c; -} - -llvm::Constant * StorageSoa::createConstGlobalVector(const std::vector<float> &vec) -{ - VectorType *vectorType = VectorType::get(Type::FloatTy, 4); - std::vector<Constant*> immValues; - ConstantFP *constx = ConstantFP::get(APFloat(vec[0])); - ConstantFP *consty = ConstantFP::get(APFloat(vec[1])); - ConstantFP *constz = ConstantFP::get(APFloat(vec[2])); - ConstantFP *constw = ConstantFP::get(APFloat(vec[3])); - immValues.push_back(constx); - immValues.push_back(consty); - immValues.push_back(constz); - immValues.push_back(constw); - Constant *constVector = ConstantVector::get(vectorType, immValues); - - return constVector; -} - -std::vector<llvm::Value*> StorageSoa::load(enum tgsi_file_type type, int idx, int swizzle, - llvm::IRBuilder<>* m_builder,llvm::Value *indIdx) -{ - std::vector<llvm::Value*> val(4); - - //if we have an indirect index, always use that - // if not use the integer offset to create one - llvm::Value *realIndex = 0; - if (indIdx) - realIndex = indIdx; - else - realIndex = constantInt(idx); - debug_printf("XXXXXXXXX realIdx = %p, indIdx = %p\n", realIndex, indIdx); - - switch(type) { - case TGSI_FILE_INPUT: - val = inputElement(realIndex); - break; - case TGSI_FILE_OUTPUT: - val = outputElement(realIndex); - break; - case TGSI_FILE_TEMPORARY: - val = tempElement(m_builder, idx); - break; - case TGSI_FILE_CONSTANT: - val = constElement(m_builder, realIndex); - break; - case TGSI_FILE_IMMEDIATE: - val = immediateElement(realIndex); - break; - case TGSI_FILE_ADDRESS: - debug_printf("Address not handled in the load phase!\n"); - assert(0); - break; - default: - debug_printf("Unknown load!\n"); - assert(0); - break; - } - if (!gallivm_is_swizzle(swizzle)) - return val; - - std::vector<llvm::Value*> res(4); - - res[0] = val[gallivm_x_swizzle(swizzle)]; - res[1] = val[gallivm_y_swizzle(swizzle)]; - res[2] = val[gallivm_z_swizzle(swizzle)]; - res[3] = val[gallivm_w_swizzle(swizzle)]; - return res; -} - -llvm::Value * StorageSoa::allocaTemp(llvm::IRBuilder<>* m_builder) -{ - VectorType *vector = VectorType::get(Type::FloatTy, 4); - ArrayType *vecArray = ArrayType::get(vector, 4); - AllocaInst *alloca = new AllocaInst(vecArray, "temp", - m_builder->GetInsertBlock()); - - return alloca; -} - - -void StorageSoa::store(enum tgsi_file_type type, int idx, const std::vector<llvm::Value*> &val, - int mask, llvm::IRBuilder<>* m_builder) -{ - llvm::Value *out = 0; - llvm::Value *realIndex = 0; - switch(type) { - case TGSI_FILE_OUTPUT: - out = m_output; - realIndex = constantInt(idx); - break; - case TGSI_FILE_TEMPORARY: - // if that temp doesn't already exist, alloca it - if (m_temps.find(idx) == m_temps.end()) - m_temps[idx] = allocaTemp(m_builder); - - out = m_temps[idx]; - - realIndex = constantInt(0); - break; - case TGSI_FILE_INPUT: - out = m_input; - realIndex = constantInt(idx); - break; - case TGSI_FILE_ADDRESS: { - llvm::Value *addr = m_addresses[idx]; - if (!addr) { - addAddress(idx); - addr = m_addresses[idx]; - assert(addr); - } - new StoreInst(val[0], addr, false, m_block); - return; - break; - } - default: - debug_printf("Can't save output of this type: %d !\n", type); - assert(0); - break; - } - if ((mask & TGSI_WRITEMASK_X)) { - llvm::Value *xChannel = elementPointer(out, realIndex, 0); - new StoreInst(val[0], xChannel, false, m_block); - } - if ((mask & TGSI_WRITEMASK_Y)) { - llvm::Value *yChannel = elementPointer(out, realIndex, 1); - new StoreInst(val[1], yChannel, false, m_block); - } - if ((mask & TGSI_WRITEMASK_Z)) { - llvm::Value *zChannel = elementPointer(out, realIndex, 2); - new StoreInst(val[2], zChannel, false, m_block); - } - if ((mask & TGSI_WRITEMASK_W)) { - llvm::Value *wChannel = elementPointer(out, realIndex, 3); - new StoreInst(val[3], wChannel, false, m_block); - } -} - -void StorageSoa::addAddress(int idx) -{ - GlobalVariable *val = new GlobalVariable( - /*Type=*/IntegerType::get(32), - /*isConstant=*/false, - /*Linkage=*/GlobalValue::ExternalLinkage, - /*Initializer=*/0, // has initializer, specified below - /*Name=*/name("address"), - currentModule()); - val->setInitializer(Constant::getNullValue(IntegerType::get(32))); - - debug_printf("adding to %d\n", idx); - m_addresses[idx] = val; -} |