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authorZack Rusin <zack@tungstengraphics.com>2008-05-16 17:10:52 -0400
committerZack Rusin <zack@tungstengraphics.com>2008-05-17 13:58:44 -0400
commit02e45b2dadd42c38247cb992a07eb520ac86519b (patch)
tree29842ca21e94e322862629f1cfa10ab62f584458 /src/gallium
parent1d1cf8edf6a0409caf9aa7d44e186eb51f51fa1f (diff)
fix abs and start on rsq
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/gallivm/instructionssoa.cpp20
-rw-r--r--src/gallium/auxiliary/gallivm/instructionssoa.h1
-rw-r--r--src/gallium/auxiliary/gallivm/soabuiltins.c56
-rw-r--r--src/gallium/auxiliary/gallivm/tgsitollvm.cpp1
4 files changed, 58 insertions, 20 deletions
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.cpp b/src/gallium/auxiliary/gallivm/instructionssoa.cpp
index 074dd0ecd6..76049ade7c 100644
--- a/src/gallium/auxiliary/gallivm/instructionssoa.cpp
+++ b/src/gallium/auxiliary/gallivm/instructionssoa.cpp
@@ -180,6 +180,7 @@ void InstructionsSoa::createFunctionMap()
m_functionsMap[TGSI_OPCODE_MAX] = "max";
m_functionsMap[TGSI_OPCODE_POWER] = "pow";
m_functionsMap[TGSI_OPCODE_LIT] = "lit";
+ m_functionsMap[TGSI_OPCODE_RSQ] = "rsq";
}
void InstructionsSoa::createDependencies()
@@ -191,8 +192,9 @@ void InstructionsSoa::createDependencies()
m_builtinDependencies["pow"] = powDeps;
}
{
- std::vector<std::string> absDeps(1);
+ std::vector<std::string> absDeps(2);
absDeps[0] = "fabsf";
+ absDeps[1] = "absvec";
m_builtinDependencies["abs"] = absDeps;
}
{
@@ -213,6 +215,14 @@ void InstructionsSoa::createDependencies()
litDeps[3] = "powvec";
m_builtinDependencies["lit"] = litDeps;
}
+ {
+ std::vector<std::string> rsqDeps(4);
+ rsqDeps[0] = "sqrtf";
+ rsqDeps[1] = "sqrtvec";
+ rsqDeps[2] = "fabsf";
+ rsqDeps[3] = "absvec";
+ m_builtinDependencies["rsq"] = rsqDeps;
+ }
}
llvm::Function * InstructionsSoa::function(int op)
@@ -453,7 +463,9 @@ void InstructionsSoa::injectFunction(llvm::Function *originalFunc, int op)
currentModule()->dump();
} else {
DenseMap<const Value*, Value *> val;
+ val[m_builtins->getFunction("fabsf")] = currentModule()->getFunction("fabsf");
val[m_builtins->getFunction("powf")] = currentModule()->getFunction("powf");
+ val[m_builtins->getFunction("sqrtf")] = currentModule()->getFunction("sqrtf");
func = CloneFunction(originalFunc, val);
#if 0
std::cout <<" replacing "<<m_builtins->getFunction("powf")
@@ -490,3 +502,9 @@ std::vector<llvm::Value*> InstructionsSoa::lit(const std::vector<llvm::Value*> i
return callBuiltin(func, in);
}
+std::vector<llvm::Value*> InstructionsSoa::rsq(const std::vector<llvm::Value*> in)
+{
+ llvm::Function *func = function(TGSI_OPCODE_RSQ);
+ return callBuiltin(func, in);
+}
+
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.h b/src/gallium/auxiliary/gallivm/instructionssoa.h
index 477ef4a157..3e20b652dd 100644
--- a/src/gallium/auxiliary/gallivm/instructionssoa.h
+++ b/src/gallium/auxiliary/gallivm/instructionssoa.h
@@ -68,6 +68,7 @@ public:
const std::vector<llvm::Value*> in2);
std::vector<llvm::Value*> pow(const std::vector<llvm::Value*> in1,
const std::vector<llvm::Value*> in2);
+ std::vector<llvm::Value*> rsq(const std::vector<llvm::Value*> in1);
std::vector<llvm::Value*> sub(const std::vector<llvm::Value*> in1,
const std::vector<llvm::Value*> in2);
void end();
diff --git a/src/gallium/auxiliary/gallivm/soabuiltins.c b/src/gallium/auxiliary/gallivm/soabuiltins.c
index b3bfebfe50..64c02aa967 100644
--- a/src/gallium/auxiliary/gallivm/soabuiltins.c
+++ b/src/gallium/auxiliary/gallivm/soabuiltins.c
@@ -36,28 +36,24 @@ typedef __attribute__(( ext_vector_type(4) )) float float4;
extern float fabsf(float val);
+float4 absvec(float4 vec)
+{
+ float4 res;
+ res.x = fabsf(vec.x);
+ res.y = fabsf(vec.y);
+ res.z = fabsf(vec.z);
+ res.w = fabsf(vec.w);
+
+ return res;
+}
+
void abs(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
{
- res[0].x = fabsf(tmp0x.x);
- res[0].y = fabsf(tmp0x.y);
- res[0].z = fabsf(tmp0x.z);
- res[0].w = fabsf(tmp0x.w);
-
- res[1].x = fabsf(tmp0y.x);
- res[1].y = fabsf(tmp0y.y);
- res[1].z = fabsf(tmp0y.z);
- res[1].w = fabsf(tmp0y.w);
-
- res[2].x = fabsf(tmp0z.x);
- res[2].y = fabsf(tmp0z.y);
- res[2].z = fabsf(tmp0z.z);
- res[2].w = fabsf(tmp0z.w);
-
- res[3].x = fabsf(tmp0w.x);
- res[3].y = fabsf(tmp0w.y);
- res[3].z = fabsf(tmp0w.z);
- res[3].w = fabsf(tmp0w.w);
+ res[0] = absvec(tmp0x);
+ res[1] = absvec(tmp0y);
+ res[2] = absvec(tmp0z);
+ res[3] = absvec(tmp0w);
}
void dp3(float4 *res,
@@ -88,6 +84,7 @@ void dp4(float4 *res,
}
extern float powf(float num, float p);
+extern float sqrtf(float x);
float4 powvec(float4 vec, float4 q)
{
@@ -168,3 +165,24 @@ void lit(float4 *res,
}
res[3] = (float4){1.0, 1.0, 1.0, 1.0};
}
+
+
+float4 sqrtvec(float4 vec)
+{
+ float4 p;
+ p.x = sqrtf(vec.x);
+ p.y = sqrtf(vec.y);
+ p.z = sqrtf(vec.z);
+ p.w = sqrtf(vec.w);
+ return p;
+}
+
+void rsq(float4 *res,
+ float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
+{
+ const float4 onevec = (float4) {1., 1., 1., 1.};
+ res[0] = onevec/sqrtvec(absvec(tmp0x));
+ res[1] = res[0];
+ res[2] = res[0];
+ res[3] = res[0];
+}
diff --git a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
index abcb240f46..9695358ab8 100644
--- a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
+++ b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
@@ -699,6 +699,7 @@ translate_instructionir(llvm::Module *module,
}
break;
case TGSI_OPCODE_RSQ: {
+ out = instr->rsq(inputs[0]);
}
break;
case TGSI_OPCODE_EXP: