implement min/max and abstract ops on vectors
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.cpp b/src/gallium/auxiliary/gallivm/instructionssoa.cpp
index 4520559..55fdda2 100644
--- a/src/gallium/auxiliary/gallivm/instructionssoa.cpp
+++ b/src/gallium/auxiliary/gallivm/instructionssoa.cpp
@@ -176,14 +176,17 @@
m_functionsMap[TGSI_OPCODE_ABS] = "abs";
m_functionsMap[TGSI_OPCODE_DP3] = "dp3";
m_functionsMap[TGSI_OPCODE_DP4] = "dp4";
+ m_functionsMap[TGSI_OPCODE_MIN] = "min";
+ m_functionsMap[TGSI_OPCODE_MAX] = "max";
m_functionsMap[TGSI_OPCODE_POWER] = "pow";
}
void InstructionsSoa::createDependencies()
{
{
- std::vector<std::string> powDeps(1);
+ std::vector<std::string> powDeps(2);
powDeps[0] = "powf";
+ powDeps[1] = "powvec";
m_builtinDependencies["pow"] = powDeps;
}
{
@@ -191,6 +194,16 @@
absDeps[0] = "fabsf";
m_builtinDependencies["abs"] = absDeps;
}
+ {
+ std::vector<std::string> maxDeps(1);
+ maxDeps[0] = "maxvec";
+ m_builtinDependencies["max"] = maxDeps;
+ }
+ {
+ std::vector<std::string> minDeps(1);
+ minDeps[0] = "minvec";
+ m_builtinDependencies["min"] = minDeps;
+ }
}
llvm::Function * InstructionsSoa::function(int op)
@@ -374,6 +387,21 @@
return callBuiltin(func, in1, in2);
}
+std::vector<llvm::Value*> InstructionsSoa::min(const std::vector<llvm::Value*> in1,
+ const std::vector<llvm::Value*> in2)
+{
+ llvm::Function *func = function(TGSI_OPCODE_MIN);
+ return callBuiltin(func, in1, in2);
+}
+
+
+std::vector<llvm::Value*> InstructionsSoa::max(const std::vector<llvm::Value*> in1,
+ const std::vector<llvm::Value*> in2)
+{
+ llvm::Function *func = function(TGSI_OPCODE_MAX);
+ return callBuiltin(func, in1, in2);
+}
+
void checkFunction(Function *func)
{
for (Function::const_iterator BI = func->begin(), BE = func->end();
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.h b/src/gallium/auxiliary/gallivm/instructionssoa.h
index 02e5fab..5a7f8fd 100644
--- a/src/gallium/auxiliary/gallivm/instructionssoa.h
+++ b/src/gallium/auxiliary/gallivm/instructionssoa.h
@@ -59,6 +59,10 @@
std::vector<llvm::Value*> madd(const std::vector<llvm::Value*> in1,
const std::vector<llvm::Value*> in2,
const std::vector<llvm::Value*> in3);
+ std::vector<llvm::Value*> max(const std::vector<llvm::Value*> in1,
+ const std::vector<llvm::Value*> in2);
+ std::vector<llvm::Value*> min(const std::vector<llvm::Value*> in1,
+ const std::vector<llvm::Value*> in2);
std::vector<llvm::Value*> mul(const std::vector<llvm::Value*> in1,
const std::vector<llvm::Value*> in2);
std::vector<llvm::Value*> pow(const std::vector<llvm::Value*> in1,
diff --git a/src/gallium/auxiliary/gallivm/soabuiltins.c b/src/gallium/auxiliary/gallivm/soabuiltins.c
index f04e4c9..935283f 100644
--- a/src/gallium/auxiliary/gallivm/soabuiltins.c
+++ b/src/gallium/auxiliary/gallivm/soabuiltins.c
@@ -89,18 +89,73 @@
extern float powf(float num, float p);
+float4 powvec(float4 vec, float4 q)
+{
+ float4 p;
+ p.x = powf(vec.x, q.x);
+ p.y = powf(vec.y, q.y);
+ p.z = powf(vec.z, q.z);
+ p.w = powf(vec.w, q.w);
+ return p;
+}
+
void pow(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
{
- float4 p;
- p.x = powf(tmp0x.x, tmp1x.x);
- p.y = powf(tmp0x.y, tmp1x.y);
- p.z = powf(tmp0x.z, tmp1x.z);
- p.w = powf(tmp0x.w, tmp1x.w);
+ res[0] = powvec(tmp0x, tmp1x);
+ res[1] = res[0];
+ res[2] = res[0];
+ res[3] = res[0];
+}
- res[0] = p;
- res[1] = p;
- res[2] = p;
- res[3] = p;
+void lit(float4 *res,
+ float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
+ float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
+{
+ const float4 zerovec = (float4) {0, 0, 0, 0};
+ float4 tmpx = tmp0x;
+ float4 tmpy = tmp0y;
+
+ res[0] = (float4){1.0, 1.0, 1.0, 1.0};
+ res[1] = tmpx;
+ res[2] = tmpy;
+ res[3] = (float4){1.0, 1.0, 1.0, 1.0};
+}
+
+float4 minvec(float4 a, float4 b)
+{
+ return (float4){(a.x < b.x) ? a.x : b.x,
+ (a.y < b.y) ? a.y : b.y,
+ (a.z < b.z) ? a.z : b.z,
+ (a.w < b.w) ? a.w : b.w};
+}
+
+void min(float4 *res,
+ float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
+ float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
+{
+ res[0] = minvec(tmp0x, tmp1x);
+ res[1] = minvec(tmp0y, tmp1y);
+ res[2] = minvec(tmp0z, tmp1z);
+ res[3] = minvec(tmp0w, tmp1w);
+}
+
+
+float4 maxvec(float4 a, float4 b)
+{
+ return (float4){(a.x > b.x) ? a.x : b.x,
+ (a.y > b.y) ? a.y : b.y,
+ (a.z > b.z) ? a.z : b.z,
+ (a.w > b.w) ? a.w : b.w};
+}
+
+void max(float4 *res,
+ float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
+ float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
+{
+ res[0] = maxvec(tmp0x, tmp1x);
+ res[1] = maxvec(tmp0y, tmp1y);
+ res[2] = maxvec(tmp0z, tmp1z);
+ res[3] = maxvec(tmp0w, tmp1w);
}
diff --git a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
index 5465d3a..007b5c1 100644
--- a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
+++ b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
@@ -724,9 +724,11 @@
}
break;
case TGSI_OPCODE_MIN: {
+ out = instr->min(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_MAX: {
+ out = instr->max(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_SLT: {