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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-02-15 17:35:24 +0900
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-02-15 17:45:40 +0900
commitb642730be93149baa7556e5791393168ab396175 (patch)
tree67d174be5d4814261b93bc8b20c027a26d1c3d06 /src/gallium/aux/llvm/storage.cpp
parent4593be34b2a6e494f0e476c8aa8e1d2633fffd47 (diff)
Code reorganization: move files into their places.
This is in a separate commit to ensure renames are properly preserved.
Diffstat (limited to 'src/gallium/aux/llvm/storage.cpp')
-rw-r--r--src/gallium/aux/llvm/storage.cpp364
1 files changed, 364 insertions, 0 deletions
diff --git a/src/gallium/aux/llvm/storage.cpp b/src/gallium/aux/llvm/storage.cpp
new file mode 100644
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+++ b/src/gallium/aux/llvm/storage.cpp
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+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Zack Rusin zack@tungstengraphics.com
+ */
+#ifdef MESA_LLVM
+
+#include "storage.h"
+
+#include "gallivm_p.h"
+
+#include "pipe/p_shader_tokens.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;
+
+Storage::Storage(llvm::BasicBlock *block, llvm::Value *input)
+ : m_block(block),
+ m_INPUT(input),
+ m_addrs(32),
+ m_idx(0)
+{
+ m_floatVecType = VectorType::get(Type::FloatTy, 4);
+ m_intVecType = VectorType::get(IntegerType::get(32), 4);
+
+ m_undefFloatVec = UndefValue::get(m_floatVecType);
+ m_undefIntVec = UndefValue::get(m_intVecType);
+ m_extSwizzleVec = 0;
+
+ m_numConsts = 0;
+}
+
+//can only build vectors with all members in the [0, 9] range
+llvm::Constant *Storage::shuffleMask(int vec)
+{
+ if (!m_extSwizzleVec) {
+ std::vector<Constant*> elems;
+ elems.push_back(ConstantFP::get(Type::FloatTy, APFloat(0.f)));
+ elems.push_back(ConstantFP::get(Type::FloatTy, APFloat(1.f)));
+ elems.push_back(ConstantFP::get(Type::FloatTy, APFloat(0.f)));
+ elems.push_back(ConstantFP::get(Type::FloatTy, APFloat(1.f)));
+ m_extSwizzleVec = ConstantVector::get(m_floatVecType, elems);
+ }
+
+ if (m_intVecs.find(vec) != m_intVecs.end()) {
+ return m_intVecs[vec];
+ }
+ int origVec = vec;
+ Constant* const_vec = 0;
+ if (origVec == 0) {
+ const_vec = Constant::getNullValue(m_intVecType);
+ } else {
+ int x = gallivm_x_swizzle(vec);
+ int y = gallivm_y_swizzle(vec);
+ int z = gallivm_z_swizzle(vec);
+ int w = gallivm_w_swizzle(vec);
+ std::vector<Constant*> elems;
+ elems.push_back(constantInt(x));
+ elems.push_back(constantInt(y));
+ elems.push_back(constantInt(z));
+ elems.push_back(constantInt(w));
+ const_vec = ConstantVector::get(m_intVecType, elems);
+ }
+
+ m_intVecs[origVec] = const_vec;
+ return const_vec;
+}
+
+llvm::ConstantInt *Storage::constantInt(int idx)
+{
+ if (m_constInts.find(idx) != m_constInts.end()) {
+ return m_constInts[idx];
+ }
+ ConstantInt *const_int = ConstantInt::get(APInt(32, idx));
+ m_constInts[idx] = const_int;
+ return const_int;
+}
+
+llvm::Value *Storage::inputElement(int idx, llvm::Value *indIdx)
+{
+ Value *val = element(InputsArg, idx, indIdx);
+ LoadInst *load = new LoadInst(val, name("input"), false, m_block);
+ load->setAlignment(8);
+
+ return load;
+}
+
+llvm::Value *Storage::constElement(int idx, llvm::Value *indIdx)
+{
+ m_numConsts = ((idx + 1) > m_numConsts) ? (idx + 1) : m_numConsts;
+
+ Value *elem = element(ConstsArg, idx, indIdx);
+ LoadInst *load = new LoadInst(elem, name("const"), false, m_block);
+ load->setAlignment(8);
+ return load;
+}
+
+llvm::Value *Storage::shuffleVector(llvm::Value *vec, int shuffle)
+{
+ Constant *mask = shuffleMask(shuffle);
+ ShuffleVectorInst *res =
+ new ShuffleVectorInst(vec, m_extSwizzleVec, mask,
+ name("shuffle"), m_block);
+ return res;
+}
+
+
+llvm::Value *Storage::tempElement(int idx, llvm::Value *indIdx)
+{
+ Value *elem = element(TempsArg, idx, indIdx);
+
+ LoadInst *load = new LoadInst(elem, name("temp"), false, m_block);
+ load->setAlignment(8);
+
+ return load;
+}
+
+void Storage::setTempElement(int idx, llvm::Value *val, int mask)
+{
+ if (mask != TGSI_WRITEMASK_XYZW) {
+ llvm::Value *templ = 0;
+ if (m_tempWriteMap[idx])
+ templ = tempElement(idx);
+ val = maskWrite(val, mask, templ);
+ }
+ Value *elem = element(TempsArg, idx);
+ StoreInst *st = new StoreInst(val, elem, false, m_block);
+ st->setAlignment(8);
+ m_tempWriteMap[idx] = true;
+}
+
+void Storage::setOutputElement(int dstIdx, llvm::Value *val, int mask)
+{
+ if (mask != TGSI_WRITEMASK_XYZW) {
+ llvm::Value *templ = 0;
+ if (m_destWriteMap[dstIdx])
+ templ = outputElement(dstIdx);
+ val = maskWrite(val, mask, templ);
+ }
+
+ Value *elem = element(DestsArg, dstIdx);
+ StoreInst *st = new StoreInst(val, elem, false, m_block);
+ st->setAlignment(8);
+ m_destWriteMap[dstIdx] = true;
+}
+
+llvm::Value *Storage::maskWrite(llvm::Value *src, int mask, llvm::Value *templ)
+{
+ llvm::Value *dst = templ;
+ if (!dst)
+ dst = Constant::getNullValue(m_floatVecType);
+ if ((mask & TGSI_WRITEMASK_X)) {
+ llvm::Value *x = new ExtractElementInst(src, unsigned(0),
+ name("x"), m_block);
+ dst = new InsertElementInst(dst, x, unsigned(0),
+ name("dstx"), m_block);
+ }
+ if ((mask & TGSI_WRITEMASK_Y)) {
+ llvm::Value *y = new ExtractElementInst(src, unsigned(1),
+ name("y"), m_block);
+ dst = new InsertElementInst(dst, y, unsigned(1),
+ name("dsty"), m_block);
+ }
+ if ((mask & TGSI_WRITEMASK_Z)) {
+ llvm::Value *z = new ExtractElementInst(src, unsigned(2),
+ name("z"), m_block);
+ dst = new InsertElementInst(dst, z, unsigned(2),
+ name("dstz"), m_block);
+ }
+ if ((mask & TGSI_WRITEMASK_W)) {
+ llvm::Value *w = new ExtractElementInst(src, unsigned(3),
+ name("w"), m_block);
+ dst = new InsertElementInst(dst, w, unsigned(3),
+ name("dstw"), m_block);
+ }
+ return dst;
+}
+
+const char * Storage::name(const char *prefix)
+{
+ ++m_idx;
+ snprintf(m_name, 32, "%s%d", prefix, m_idx);
+ return m_name;
+}
+
+int Storage::numConsts() const
+{
+ return m_numConsts;
+}
+
+llvm::Value * Storage::addrElement(int idx) const
+{
+ Value *ret = m_addrs[idx];
+ if (!ret)
+ return m_undefFloatVec;
+ return ret;
+}
+
+void Storage::setAddrElement(int idx, llvm::Value *val, int mask)
+{
+ if (mask != TGSI_WRITEMASK_XYZW) {
+ llvm::Value *templ = m_addrs[idx];
+ val = maskWrite(val, mask, templ);
+ }
+ m_addrs[idx] = val;
+}
+
+llvm::Value * Storage::extractIndex(llvm::Value *vec)
+{
+ llvm::Value *x = new ExtractElementInst(vec, unsigned(0),
+ name("x"), m_block);
+ return new FPToSIInst(x, IntegerType::get(32), name("intidx"), m_block);
+}
+
+void Storage::setCurrentBlock(llvm::BasicBlock *block)
+{
+ m_block = block;
+}
+
+llvm::Value * Storage::outputElement(int idx, llvm::Value *indIdx)
+{
+ Value *elem = element(DestsArg, idx, indIdx);
+ LoadInst *load = new LoadInst(elem, name("output"), false, m_block);
+ load->setAlignment(8);
+
+ return load;
+}
+
+llvm::Value * Storage::inputPtr() const
+{
+ return m_INPUT;
+}
+
+void Storage::pushArguments(llvm::Value *input)
+{
+ m_argStack.push(m_INPUT);
+
+ m_INPUT = input;
+}
+
+void Storage::popArguments()
+{
+ m_INPUT = m_argStack.top();
+ m_argStack.pop();
+}
+
+void Storage::pushTemps()
+{
+ m_extSwizzleVec = 0;
+}
+
+void Storage::popTemps()
+{
+}
+
+llvm::Value * Storage::immediateElement(int idx)
+{
+ return m_immediates[idx];
+}
+
+void Storage::addImmediate(float *val)
+{
+ std::vector<Constant*> vec(4);
+ vec[0] = ConstantFP::get(Type::FloatTy, APFloat(val[0]));
+ vec[1] = ConstantFP::get(Type::FloatTy, APFloat(val[1]));
+ vec[2] = ConstantFP::get(Type::FloatTy, APFloat(val[2]));
+ vec[3] = ConstantFP::get(Type::FloatTy, APFloat(val[3]));
+ m_immediates.push_back(ConstantVector::get(m_floatVecType, vec));
+}
+
+
+llvm::Value * Storage::elemPtr(Args arg)
+{
+ std::vector<Value*> indices;
+ indices.push_back(constantInt(0));
+ indices.push_back(constantInt(static_cast<int>(arg)));
+ GetElementPtrInst *getElem = new GetElementPtrInst(m_INPUT,
+ indices.begin(),
+ indices.end(),
+ name("input_ptr"),
+ m_block);
+ return new LoadInst(getElem, name("input_field"), false, m_block);
+}
+
+llvm::Value * Storage::elemIdx(llvm::Value *ptr, int idx,
+ llvm::Value *indIdx )
+{
+ GetElementPtrInst *getElem = 0;
+
+ if (indIdx) {
+ getElem = new GetElementPtrInst(ptr,
+ BinaryOperator::create(Instruction::Add,
+ indIdx,
+ constantInt(idx),
+ name("add"),
+ m_block),
+ name("field"),
+ m_block);
+ } else {
+ getElem = new GetElementPtrInst(ptr,
+ constantInt(idx),
+ name("field"),
+ m_block);
+ }
+ return getElem;
+}
+
+llvm::Value * Storage::element(Args arg, int idx, llvm::Value *indIdx )
+{
+ Value *val = elemPtr(arg);
+ return elemIdx(val, idx, indIdx);
+}
+
+void Storage::setKilElement(llvm::Value *val)
+{
+ std::vector<Value*> indices;
+ indices.push_back(constantInt(0));
+ indices.push_back(constantInt(static_cast<int>(KilArg)));
+ GetElementPtrInst *elem = new GetElementPtrInst(m_INPUT,
+ indices.begin(),
+ indices.end(),
+ name("kil_ptr"),
+ m_block);
+ StoreInst *st = new StoreInst(val, elem, false, m_block);
+ st->setAlignment(8);
+}
+
+#endif //MESA_LLVM
+
+