Add Sampler support to C++ API.

Change-Id: I9a6ada9cf16b5e9f92bcecc12e87d66585df1d33

1 files changed, 74 insertions, 0 deletions

diff --git a/cpp/Sampler.cpp b/cpp/Sampler.cpp
new file mode 100644
index 00000000..fa6b2fda
--- /dev/null
+++ b/cpp/Sampler.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2008-2012 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 "RenderScript.h"
+#include <rs.h>
+
+using namespace android;
+using namespace RSC;
+
+Sampler::Sampler(sp<RS> rs, void* id):
+    BaseObj(id, rs)
+{
+    RsSamplerValue mMin = RS_SAMPLER_INVALID;
+    RsSamplerValue mMag = RS_SAMPLER_INVALID;
+    RsSamplerValue mWrapS = RS_SAMPLER_INVALID;;
+    RsSamplerValue mWrapT = RS_SAMPLER_INVALID;;
+    float mAniso = 0.f;
+}
+
+RsSamplerValue Sampler::getMinification() {
+    return mMin;
+}
+
+RsSamplerValue Sampler::getMagnification() {
+    return mMag;
+}
+
+RsSamplerValue Sampler::getWrapS() {
+    return mWrapS;
+}
+
+RsSamplerValue Sampler::getWrapT() {
+    return mWrapT;
+}
+
+float Sampler::getAnisotropy() {
+    return mAniso;
+}
+
+sp<Sampler> Sampler::create(sp<RS> rs, RsSamplerValue min, RsSamplerValue mag, RsSamplerValue wrapS, RsSamplerValue wrapT, float anisotropy) {
+    // we aren't supporting wrapR in C++ API atm, so always pass wrap for that
+    void* id = RS::dispatch->SamplerCreate(rs.get(), min, mag, wrapS, wrapT, RS_SAMPLER_WRAP, anisotropy);
+    return new Sampler(rs, id);
+}
+
+#define CREATE_SAMPLER(N, MIN, MAG, WRAPS, WRAPT) sp<const Sampler> Sampler::N(sp<RS> rs) { \
+        if (rs->mSamplers.N == NULL) {                                  \
+            rs->mSamplers.N = (create(rs, MIN, MAG, WRAPS, WRAPT, 0.f)).get(); \
+        }                                                               \
+        return rs->mSamplers.N;                                         \
+    }
+
+CREATE_SAMPLER(CLAMP_NEAREST, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST);
+CREATE_SAMPLER(CLAMP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR);
+CREATE_SAMPLER(CLAMP_LINEAR_MIP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR);
+CREATE_SAMPLER(WRAP_NEAREST, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST);
+CREATE_SAMPLER(WRAP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR);
+CREATE_SAMPLER(WRAP_LINEAR_MIP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR);
+CREATE_SAMPLER(MIRRORED_REPEAT_NEAREST, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST);
+CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR);
+CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR_MIP_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR);