diff options
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 4984ce985c6..00000000000 --- 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; -} |