Separate CPU driver impl from reference driver.

Change-Id: Ifb484edda665959b81d7b1f890d108bfa20a535d

1 files changed, 198 insertions, 0 deletions

diff --git a/cpu_ref/rsCpuIntrinsicConvolve5x5.cpp b/cpu_ref/rsCpuIntrinsicConvolve5x5.cpp
new file mode 100644
index 00000000..2cae2c04
--- /dev/null
+++ b/cpu_ref/rsCpuIntrinsicConvolve5x5.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include "rsCpuIntrinsic.h"
+#include "rsCpuIntrinsicInlines.h"
+
+using namespace android;
+using namespace android::renderscript;
+
+namespace android {
+namespace renderscript {
+
+
+class RsdCpuScriptIntrinsicConvolve5x5 : public RsdCpuScriptIntrinsic {
+public:
+    virtual void populateScript(Script *);
+    virtual void invokeFreeChildren();
+
+    virtual void setGlobalVar(uint32_t slot, const void *data, size_t dataLength);
+    virtual void setGlobalObj(uint32_t slot, ObjectBase *data);
+
+    virtual ~RsdCpuScriptIntrinsicConvolve5x5();
+    RsdCpuScriptIntrinsicConvolve5x5(RsdCpuReferenceImpl *ctx, const Script *s);
+
+protected:
+    float fp[28];
+    short ip[28];
+    ObjectBaseRef<Allocation> alloc;
+
+
+    static void kernel(const RsForEachStubParamStruct *p,
+                       uint32_t xstart, uint32_t xend,
+                       uint32_t instep, uint32_t outstep);
+
+
+};
+
+}
+}
+
+void RsdCpuScriptIntrinsicConvolve5x5::setGlobalObj(uint32_t slot, ObjectBase *data) {
+    rsAssert(slot == 1);
+    alloc.set(static_cast<Allocation *>(data));
+}
+
+void RsdCpuScriptIntrinsicConvolve5x5::setGlobalVar(uint32_t slot,
+                                                    const void *data, size_t dataLength) {
+    rsAssert(slot == 0);
+    memcpy (&fp, data, dataLength);
+    for(int ct=0; ct < 25; ct++) {
+        ip[ct] = (short)(fp[ct] * 255.f + 0.5f);
+    }
+}
+
+
+static void One(const RsForEachStubParamStruct *p, uint32_t x, uchar4 *out,
+                const uchar4 *py0, const uchar4 *py1, const uchar4 *py2, const uchar4 *py3, const uchar4 *py4,
+                const float* coeff) {
+
+    uint32_t x0 = rsMax((int32_t)x-2, 0);
+    uint32_t x1 = rsMax((int32_t)x-1, 0);
+    uint32_t x2 = x;
+    uint32_t x3 = rsMin((int32_t)x+1, (int32_t)(p->dimX-1));
+    uint32_t x4 = rsMin((int32_t)x+2, (int32_t)(p->dimX-1));
+
+    float4 px = convert_float4(py0[x0]) * coeff[0] +
+                convert_float4(py0[x1]) * coeff[1] +
+                convert_float4(py0[x2]) * coeff[2] +
+                convert_float4(py0[x3]) * coeff[3] +
+                convert_float4(py0[x4]) * coeff[4] +
+
+                convert_float4(py1[x0]) * coeff[5] +
+                convert_float4(py1[x1]) * coeff[6] +
+                convert_float4(py1[x2]) * coeff[7] +
+                convert_float4(py1[x3]) * coeff[8] +
+                convert_float4(py1[x4]) * coeff[9] +
+
+                convert_float4(py2[x0]) * coeff[10] +
+                convert_float4(py2[x1]) * coeff[11] +
+                convert_float4(py2[x2]) * coeff[12] +
+                convert_float4(py2[x3]) * coeff[13] +
+                convert_float4(py2[x4]) * coeff[14] +
+
+                convert_float4(py3[x0]) * coeff[15] +
+                convert_float4(py3[x1]) * coeff[16] +
+                convert_float4(py3[x2]) * coeff[17] +
+                convert_float4(py3[x3]) * coeff[18] +
+                convert_float4(py3[x4]) * coeff[19] +
+
+                convert_float4(py4[x0]) * coeff[20] +
+                convert_float4(py4[x1]) * coeff[21] +
+                convert_float4(py4[x2]) * coeff[22] +
+                convert_float4(py4[x3]) * coeff[23] +
+                convert_float4(py4[x4]) * coeff[24];
+
+    px = clamp(px, 0.f, 255.f);
+    uchar4 o = {(uchar)px.x, (uchar)px.y, (uchar)px.z, (uchar)px.w};
+    *out = o;
+}
+
+extern "C" void rsdIntrinsicConvolve5x5_K(void *dst, const void *y0, const void *y1,
+                                          const void *y2, const void *y3, const void *y4,
+                                          const short *coef, uint32_t count);
+
+void RsdCpuScriptIntrinsicConvolve5x5::kernel(const RsForEachStubParamStruct *p,
+                                              uint32_t xstart, uint32_t xend,
+                                              uint32_t instep, uint32_t outstep) {
+    RsdCpuScriptIntrinsicConvolve5x5 *cp = (RsdCpuScriptIntrinsicConvolve5x5 *)p->usr;
+    if (!cp->alloc.get()) {
+        ALOGE("Convolve5x5 executed without input, skipping");
+        return;
+    }
+    const uchar *pin = (const uchar *)cp->alloc->mHal.drvState.lod[0].mallocPtr;
+    const size_t stride = cp->alloc->mHal.drvState.lod[0].stride;
+
+    uint32_t y0 = rsMax((int32_t)p->y-2, 0);
+    uint32_t y1 = rsMax((int32_t)p->y-1, 0);
+    uint32_t y2 = p->y;
+    uint32_t y3 = rsMin((int32_t)p->y+1, (int32_t)(p->dimY-1));
+    uint32_t y4 = rsMin((int32_t)p->y+2, (int32_t)(p->dimY-1));
+
+    const uchar4 *py0 = (const uchar4 *)(pin + stride * y0);
+    const uchar4 *py1 = (const uchar4 *)(pin + stride * y1);
+    const uchar4 *py2 = (const uchar4 *)(pin + stride * y2);
+    const uchar4 *py3 = (const uchar4 *)(pin + stride * y3);
+    const uchar4 *py4 = (const uchar4 *)(pin + stride * y4);
+
+    uchar4 *out = (uchar4 *)p->out;
+    uint32_t x1 = xstart;
+    uint32_t x2 = xend;
+
+    while((x1 < x2) && (x1 < 2)) {
+        One(p, x1, out, py0, py1, py2, py3, py4, cp->fp);
+        out++;
+        x1++;
+    }
+
+#if defined(ARCH_ARM_HAVE_NEON)
+    if((x1 + 3) < x2) {
+        uint32_t len = (x2 - x1 - 3) >> 1;
+        rsdIntrinsicConvolve5x5_K(out, py0, py1, py2, py3, py4, cp->ip, len);
+        out += len << 1;
+        x1 += len << 1;
+    }
+#endif
+
+    while(x1 < x2) {
+        One(p, x1, out, py0, py1, py2, py3, py4, cp->fp);
+        out++;
+        x1++;
+    }
+}
+
+
+RsdCpuScriptIntrinsicConvolve5x5::RsdCpuScriptIntrinsicConvolve5x5(
+            RsdCpuReferenceImpl *ctx, const Script *s)
+            : RsdCpuScriptIntrinsic(ctx, s, RS_SCRIPT_INTRINSIC_ID_CONVOLVE_5x5) {
+
+    mRootPtr = &kernel;
+    for(int ct=0; ct < 9; ct++) {
+        fp[ct] = 1.f / 25.f;
+        ip[ct] = (short)(fp[ct] * 255.f + 0.5f);
+    }
+}
+
+RsdCpuScriptIntrinsicConvolve5x5::~RsdCpuScriptIntrinsicConvolve5x5() {
+}
+
+void RsdCpuScriptIntrinsicConvolve5x5::populateScript(Script *s) {
+    s->mHal.info.exportedVariableCount = 2;
+}
+
+void RsdCpuScriptIntrinsicConvolve5x5::invokeFreeChildren() {
+    alloc.clear();
+}
+
+
+RsdCpuScriptImpl * rsdIntrinsic_Convolve5x5(RsdCpuReferenceImpl *ctx, const Script *s) {
+
+    return new RsdCpuScriptIntrinsicConvolve5x5(ctx, s);
+}
+
+
+